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Style: add uncrustify disable parsing for asm

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Alfred Gedeon 2020-08-13 12:16:28 -07:00 • committed by alfred gedeon
parent b0630a3bef
commit 46c1bd6ce2
29 changed files with 1751 additions and 1583 deletions
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4
portable/ARMv8M/non_secure/port.c
View file

@ -882,12 +882,12 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
StackType_t * pxEndOfStack, StackType_t * pxEndOfStack,
TaskFunction_t pxCode, TaskFunction_t pxCode,
void * pvParameters, void * pvParameters,
BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */ BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */
#else #else
StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack, StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
StackType_t * pxEndOfStack, StackType_t * pxEndOfStack,
TaskFunction_t pxCode, TaskFunction_t pxCode,
void * pvParameters ) /* PRIVILEGED_FUNCTION */ void * pvParameters ) /* PRIVILEGED_FUNCTION */
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
{ {
/* Simulate the stack frame as it would be created by a context switch /* Simulate the stack frame as it would be created by a context switch

4
portable/GCC/ARM_CM23_NTZ/non_secure/port.c
View file

@ -882,12 +882,12 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
StackType_t * pxEndOfStack, StackType_t * pxEndOfStack,
TaskFunction_t pxCode, TaskFunction_t pxCode,
void * pvParameters, void * pvParameters,
BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */ BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */
#else #else
StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack, StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
StackType_t * pxEndOfStack, StackType_t * pxEndOfStack,
TaskFunction_t pxCode, TaskFunction_t pxCode,
void * pvParameters ) /* PRIVILEGED_FUNCTION */ void * pvParameters ) /* PRIVILEGED_FUNCTION */
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
{ {
/* Simulate the stack frame as it would be created by a context switch /* Simulate the stack frame as it would be created by a context switch

4
portable/GCC/ARM_CM33/non_secure/port.c
View file

@ -882,12 +882,12 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
StackType_t * pxEndOfStack, StackType_t * pxEndOfStack,
TaskFunction_t pxCode, TaskFunction_t pxCode,
void * pvParameters, void * pvParameters,
BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */ BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */
#else #else
StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack, StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
StackType_t * pxEndOfStack, StackType_t * pxEndOfStack,
TaskFunction_t pxCode, TaskFunction_t pxCode,
void * pvParameters ) /* PRIVILEGED_FUNCTION */ void * pvParameters ) /* PRIVILEGED_FUNCTION */
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
{ {
/* Simulate the stack frame as it would be created by a context switch /* Simulate the stack frame as it would be created by a context switch

4
portable/GCC/ARM_CM33_NTZ/non_secure/port.c
View file

@ -882,12 +882,12 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
StackType_t * pxEndOfStack, StackType_t * pxEndOfStack,
TaskFunction_t pxCode, TaskFunction_t pxCode,
void * pvParameters, void * pvParameters,
BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */ BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */
#else #else
StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack, StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
StackType_t * pxEndOfStack, StackType_t * pxEndOfStack,
TaskFunction_t pxCode, TaskFunction_t pxCode,
void * pvParameters ) /* PRIVILEGED_FUNCTION */ void * pvParameters ) /* PRIVILEGED_FUNCTION */
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
{ {
/* Simulate the stack frame as it would be created by a context switch /* Simulate the stack frame as it would be created by a context switch

6
portable/GCC/ARM_CM4_MPU/port.c
View file

@ -941,10 +941,10 @@ void vPortStoreTaskMPUSettings( xMPU_SETTINGS * xMPUSettings,
* be set to a value equal to or numerically *higher* than * be set to a value equal to or numerically *higher* than
* configMAX_SYSCALL_INTERRUPT_PRIORITY. * configMAX_SYSCALL_INTERRUPT_PRIORITY.
* *
* Interrupts that use the FreeRTOS API must not be left at their * Interrupts that use the FreeRTOS API must not be left at their
* default priority of zero as that is the highest possible priority, * default priority of zero as that is the highest possible priority,
* which is guaranteed to be above configMAX_SYSCALL_INTERRUPT_PRIORITY, * which is guaranteed to be above configMAX_SYSCALL_INTERRUPT_PRIORITY,
* and therefore also guaranteed to be invalid. * and therefore also guaranteed to be invalid.
* *
* FreeRTOS maintains separate thread and ISR API functions to ensure * FreeRTOS maintains separate thread and ISR API functions to ensure
* interrupt entry is as fast and simple as possible. * interrupt entry is as fast and simple as possible.

499
portable/GCC/ARM_CM4_MPU/portmacro.h
View file

@ -27,11 +27,14 @@
#ifndef PORTMACRO_H #ifndef PORTMACRO_H
#define PORTMACRO_H #define PORTMACRO_H
#ifdef __cplusplus
extern "C" { /* *INDENT-OFF* */
#endif #ifdef __cplusplus
extern "C" {
#endif
/* *INDENT-ON* */
/*----------------------------------------------------------- /*-----------------------------------------------------------
* Port specific definitions. * Port specific definitions.
@ -44,169 +47,170 @@
*/ */
/* Type definitions. */ /* Type definitions. */
#define portCHAR char #define portCHAR char
#define portFLOAT float #define portFLOAT float
#define portDOUBLE double #define portDOUBLE double
#define portLONG long #define portLONG long
#define portSHORT short #define portSHORT short
#define portSTACK_TYPE uint32_t #define portSTACK_TYPE uint32_t
#define portBASE_TYPE long #define portBASE_TYPE long
typedef portSTACK_TYPE StackType_t; typedef portSTACK_TYPE StackType_t;
typedef long BaseType_t; typedef long BaseType_t;
typedef unsigned long UBaseType_t; typedef unsigned long UBaseType_t;
#if ( configUSE_16_BIT_TICKS == 1 ) #if ( configUSE_16_BIT_TICKS == 1 )
typedef uint16_t TickType_t; typedef uint16_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffff #define portMAX_DELAY ( TickType_t ) 0xffff
#else #else
typedef uint32_t TickType_t; typedef uint32_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
* not need to be guarded with a critical section. */ * not need to be guarded with a critical section. */
#define portTICK_TYPE_IS_ATOMIC 1 #define portTICK_TYPE_IS_ATOMIC 1
#endif #endif
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* MPU specific constants. */ /* MPU specific constants. */
#define portUSING_MPU_WRAPPERS 1 #define portUSING_MPU_WRAPPERS 1
#define portPRIVILEGE_BIT ( 0x80000000UL ) #define portPRIVILEGE_BIT ( 0x80000000UL )
#define portMPU_REGION_READ_WRITE ( 0x03UL << 24UL ) #define portMPU_REGION_READ_WRITE ( 0x03UL << 24UL )
#define portMPU_REGION_PRIVILEGED_READ_ONLY ( 0x05UL << 24UL ) #define portMPU_REGION_PRIVILEGED_READ_ONLY ( 0x05UL << 24UL )
#define portMPU_REGION_READ_ONLY ( 0x06UL << 24UL ) #define portMPU_REGION_READ_ONLY ( 0x06UL << 24UL )
#define portMPU_REGION_PRIVILEGED_READ_WRITE ( 0x01UL << 24UL ) #define portMPU_REGION_PRIVILEGED_READ_WRITE ( 0x01UL << 24UL )
#define portMPU_REGION_PRIVILEGED_READ_WRITE_UNPRIV_READ_ONLY ( 0x02UL << 24UL ) #define portMPU_REGION_PRIVILEGED_READ_WRITE_UNPRIV_READ_ONLY ( 0x02UL << 24UL )
#define portMPU_REGION_CACHEABLE_BUFFERABLE ( 0x07UL << 16UL ) #define portMPU_REGION_CACHEABLE_BUFFERABLE ( 0x07UL << 16UL )
#define portMPU_REGION_EXECUTE_NEVER ( 0x01UL << 28UL ) #define portMPU_REGION_EXECUTE_NEVER ( 0x01UL << 28UL )
/* Location of the TEX,S,C,B bits in the MPU Region Attribute and Size
* Register (RASR). */
#define portMPU_RASR_TEX_S_C_B_LOCATION ( 16UL )
#define portMPU_RASR_TEX_S_C_B_MASK ( 0x3FUL )
/* MPU settings that can be overriden in FreeRTOSConfig.h. */ /* Location of the TEX,S,C,B bits in the MPU Region Attribute and Size
#ifndef configTOTAL_MPU_REGIONS * Register (RASR). */
/* Define to 8 for backward compatibility. */ #define portMPU_RASR_TEX_S_C_B_LOCATION ( 16UL )
#define configTOTAL_MPU_REGIONS ( 8UL ) #define portMPU_RASR_TEX_S_C_B_MASK ( 0x3FUL )
#endif
/* /* MPU settings that can be overriden in FreeRTOSConfig.h. */
* The TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits define the #ifndef configTOTAL_MPU_REGIONS
* memory type, and where necessary the cacheable and shareable properties /* Define to 8 for backward compatibility. */
* of the memory region. #define configTOTAL_MPU_REGIONS ( 8UL )
* #endif
* The TEX, C, and B bits together indicate the memory type of the region,
* and:
* - For Normal memory, the cacheable properties of the region.
* - For Device memory, whether the region is shareable.
*
* For Normal memory regions, the S bit indicates whether the region is
* shareable. For Strongly-ordered and Device memory, the S bit is ignored.
*
* See the following two tables for setting TEX, S, C and B bits for
* unprivileged flash, privileged flash and privileged RAM regions.
*
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| TEX | C | B | Memory type | Description or Normal region cacheability | Shareable? |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 0 | 0 | Strongly-ordered | Strongly ordered | Shareable |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 0 | 1 | Device | Shared device | Shareable |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 1 | 0 | Normal | Outer and inner write-through; no write allocate | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 1 | 1 | Normal | Outer and inner write-back; no write allocate | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 0 | 0 | Normal | Outer and inner Non-cacheable | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 0 | 1 | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 1 | 0 | IMPLEMENTATION DEFINED | IMPLEMENTATION DEFINED | IMPLEMENTATION DEFINED |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 1 | 1 | Normal | Outer and inner write-back; write and read allocate | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 010 | 0 | 0 | Device | Non-shared device | Not shareable |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 010 | 0 | 1 | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 010 | 1 | X | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 011 | X | X | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 1BB | A | A | Normal | Cached memory, with AA and BB indicating the inner and | Reserved |
| | | | | outer cacheability rules that must be exported on the | |
| | | | | bus. See the table below for the cacheability policy | |
| | | | | encoding. memory, BB=Outer policy, AA=Inner policy. | |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
+-----------------------------------------+----------------------------------------+ /*
| AA or BB subfield of {TEX,C,B} encoding | Cacheability policy | * The TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits define the
+-----------------------------------------+----------------------------------------+ * memory type, and where necessary the cacheable and shareable properties
| 00 | Non-cacheable | * of the memory region.
+-----------------------------------------+----------------------------------------+ *
| 01 | Write-back, write and read allocate | * The TEX, C, and B bits together indicate the memory type of the region,
+-----------------------------------------+----------------------------------------+ * and:
| 10 | Write-through, no write allocate | * - For Normal memory, the cacheable properties of the region.
+-----------------------------------------+----------------------------------------+ * - For Device memory, whether the region is shareable.
| 11 | Write-back, no write allocate | *
+-----------------------------------------+----------------------------------------+ * For Normal memory regions, the S bit indicates whether the region is
*/ * shareable. For Strongly-ordered and Device memory, the S bit is ignored.
*
* See the following two tables for setting TEX, S, C and B bits for
* unprivileged flash, privileged flash and privileged RAM regions.
*
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| TEX | C | B | Memory type | Description or Normal region cacheability | Shareable? |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 0 | 0 | Strongly-ordered | Strongly ordered | Shareable |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 0 | 1 | Device | Shared device | Shareable |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 1 | 0 | Normal | Outer and inner write-through; no write allocate | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 1 | 1 | Normal | Outer and inner write-back; no write allocate | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 0 | 0 | Normal | Outer and inner Non-cacheable | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 0 | 1 | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 1 | 0 | IMPLEMENTATION DEFINED | IMPLEMENTATION DEFINED | IMPLEMENTATION DEFINED |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 1 | 1 | Normal | Outer and inner write-back; write and read allocate | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 010 | 0 | 0 | Device | Non-shared device | Not shareable |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 010 | 0 | 1 | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 010 | 1 | X | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 011 | X | X | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 1BB | A | A | Normal | Cached memory, with AA and BB indicating the inner and | Reserved |
| | | | | outer cacheability rules that must be exported on the | |
| | | | | bus. See the table below for the cacheability policy | |
| | | | | encoding. memory, BB=Outer policy, AA=Inner policy. | |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
|
+-----------------------------------------+----------------------------------------+
| AA or BB subfield of {TEX,C,B} encoding | Cacheability policy |
+-----------------------------------------+----------------------------------------+
| 00 | Non-cacheable |
+-----------------------------------------+----------------------------------------+
| 01 | Write-back, write and read allocate |
+-----------------------------------------+----------------------------------------+
| 10 | Write-through, no write allocate |
+-----------------------------------------+----------------------------------------+
| 11 | Write-back, no write allocate |
+-----------------------------------------+----------------------------------------+
*/
/* TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits for flash /* TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits for flash
* region. */ * region. */
#ifndef configTEX_S_C_B_FLASH #ifndef configTEX_S_C_B_FLASH
/* Default to TEX=000, S=1, C=1, B=1 for backward compatibility. */ /* Default to TEX=000, S=1, C=1, B=1 for backward compatibility. */
#define configTEX_S_C_B_FLASH ( 0x07UL ) #define configTEX_S_C_B_FLASH ( 0x07UL )
#endif #endif
/* TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits for RAM /* TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits for RAM
* region. */ * region. */
#ifndef configTEX_S_C_B_SRAM #ifndef configTEX_S_C_B_SRAM
/* Default to TEX=000, S=1, C=1, B=1 for backward compatibility. */ /* Default to TEX=000, S=1, C=1, B=1 for backward compatibility. */
#define configTEX_S_C_B_SRAM ( 0x07UL ) #define configTEX_S_C_B_SRAM ( 0x07UL )
#endif #endif
#define portUNPRIVILEGED_FLASH_REGION ( 0UL ) #define portUNPRIVILEGED_FLASH_REGION ( 0UL )
#define portPRIVILEGED_FLASH_REGION ( 1UL ) #define portPRIVILEGED_FLASH_REGION ( 1UL )
#define portPRIVILEGED_RAM_REGION ( 2UL ) #define portPRIVILEGED_RAM_REGION ( 2UL )
#define portGENERAL_PERIPHERALS_REGION ( 3UL ) #define portGENERAL_PERIPHERALS_REGION ( 3UL )
#define portSTACK_REGION ( 4UL ) #define portSTACK_REGION ( 4UL )
#define portFIRST_CONFIGURABLE_REGION ( 5UL ) #define portFIRST_CONFIGURABLE_REGION ( 5UL )
#define portTOTAL_NUM_REGIONS ( configTOTAL_MPU_REGIONS ) #define portTOTAL_NUM_REGIONS ( configTOTAL_MPU_REGIONS )
#define portNUM_CONFIGURABLE_REGIONS ( portTOTAL_NUM_REGIONS - portFIRST_CONFIGURABLE_REGION ) #define portNUM_CONFIGURABLE_REGIONS ( portTOTAL_NUM_REGIONS - portFIRST_CONFIGURABLE_REGION )
#define portLAST_CONFIGURABLE_REGION ( portTOTAL_NUM_REGIONS - 1 ) #define portLAST_CONFIGURABLE_REGION ( portTOTAL_NUM_REGIONS - 1 )
#define portSWITCH_TO_USER_MODE() __asm volatile ( " mrs r0, control \n orr r0, #1 \n msr control, r0 " ::: "r0", "memory" ) #define portSWITCH_TO_USER_MODE() __asm volatile ( " mrs r0, control \n orr r0, #1 \n msr control, r0 " ::: "r0", "memory" )
typedef struct MPU_REGION_REGISTERS typedef struct MPU_REGION_REGISTERS
{ {
uint32_t ulRegionBaseAddress; uint32_t ulRegionBaseAddress;
uint32_t ulRegionAttribute; uint32_t ulRegionAttribute;
} xMPU_REGION_REGISTERS; } xMPU_REGION_REGISTERS;
/* Plus 1 to create space for the stack region. */ /* Plus 1 to create space for the stack region. */
typedef struct MPU_SETTINGS typedef struct MPU_SETTINGS
{ {
xMPU_REGION_REGISTERS xRegion[ portTOTAL_NUM_REGIONS ]; xMPU_REGION_REGISTERS xRegion[ portTOTAL_NUM_REGIONS ];
} xMPU_SETTINGS; } xMPU_SETTINGS;
/* Architecture specifics. */ /* Architecture specifics. */
#define portSTACK_GROWTH ( -1 ) #define portSTACK_GROWTH ( -1 )
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 8 #define portBYTE_ALIGNMENT 8
#define portDONT_DISCARD __attribute__( ( used ) ) #define portDONT_DISCARD __attribute__( ( used ) )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* SVC numbers for various services. */ /* SVC numbers for various services. */
#define portSVC_START_SCHEDULER 0 #define portSVC_START_SCHEDULER 0
#define portSVC_YIELD 1 #define portSVC_YIELD 1
#define portSVC_RAISE_PRIVILEGE 2 #define portSVC_RAISE_PRIVILEGE 2
/* Scheduler utilities. */ /* Scheduler utilities. */
#define portYIELD() __asm volatile ( " SVC %0 \n"::"i" ( portSVC_YIELD ) : "memory" ) #define portYIELD() __asm volatile ( " SVC %0 \n"::"i" ( portSVC_YIELD ) : "memory" )
#define portYIELD_WITHIN_API() \ #define portYIELD_WITHIN_API() \
{ \ { \
/* Set a PendSV to request a context switch. */ \ /* Set a PendSV to request a context switch. */ \
portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT; \ portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT; \
@ -217,178 +221,181 @@
__asm volatile ( "isb" ); \ __asm volatile ( "isb" ); \
} }
#define portNVIC_INT_CTRL_REG ( *( ( volatile uint32_t * ) 0xe000ed04 ) ) #define portNVIC_INT_CTRL_REG ( *( ( volatile uint32_t * ) 0xe000ed04 ) )
#define portNVIC_PENDSVSET_BIT ( 1UL << 28UL ) #define portNVIC_PENDSVSET_BIT ( 1UL << 28UL )
#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT
#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x ) #define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Critical section management. */ /* Critical section management. */
extern void vPortEnterCritical( void ); extern void vPortEnterCritical( void );
extern void vPortExitCritical( void ); extern void vPortExitCritical( void );
#define portSET_INTERRUPT_MASK_FROM_ISR() ulPortRaiseBASEPRI() #define portSET_INTERRUPT_MASK_FROM_ISR() ulPortRaiseBASEPRI()
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( x ) vPortSetBASEPRI( x ) #define portCLEAR_INTERRUPT_MASK_FROM_ISR( x ) vPortSetBASEPRI( x )
#define portDISABLE_INTERRUPTS() vPortRaiseBASEPRI() #define portDISABLE_INTERRUPTS() vPortRaiseBASEPRI()
#define portENABLE_INTERRUPTS() vPortSetBASEPRI( 0 ) #define portENABLE_INTERRUPTS() vPortSetBASEPRI( 0 )
#define portENTER_CRITICAL() vPortEnterCritical() #define portENTER_CRITICAL() vPortEnterCritical()
#define portEXIT_CRITICAL() vPortExitCritical() #define portEXIT_CRITICAL() vPortExitCritical()
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Task function macros as described on the FreeRTOS.org WEB site. These are /* Task function macros as described on the FreeRTOS.org WEB site. These are
* not necessary for to use this port. They are defined so the common demo files * not necessary for to use this port. They are defined so the common demo files
* (which build with all the ports) will build. */ * (which build with all the ports) will build. */
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters ) #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters ) #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Architecture specific optimisations. */ /* Architecture specific optimisations. */
#ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION #ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION
#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1 #define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
#endif #endif
#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1 #if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1
/* Generic helper function. */ /* Generic helper function. */
__attribute__( ( always_inline ) ) static inline uint8_t ucPortCountLeadingZeros( uint32_t ulBitmap ) __attribute__( ( always_inline ) ) static inline uint8_t ucPortCountLeadingZeros( uint32_t ulBitmap )
{ {
uint8_t ucReturn; uint8_t ucReturn;
__asm volatile ( "clz %0, %1" : "=r" ( ucReturn ) : "r" ( ulBitmap ) : "memory" ); __asm volatile ( "clz %0, %1" : "=r" ( ucReturn ) : "r" ( ulBitmap ) : "memory" );
return ucReturn; return ucReturn;
} }
/* Check the configuration. */ /* Check the configuration. */
#if ( configMAX_PRIORITIES > 32 ) #if ( configMAX_PRIORITIES > 32 )
#error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice. #error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice.
#endif #endif
/* Store/clear the ready priorities in a bit map. */ /* Store/clear the ready priorities in a bit map. */
#define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) ) #define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
#define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) ) #define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - ( uint32_t ) ucPortCountLeadingZeros( ( uxReadyPriorities ) ) ) #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - ( uint32_t ) ucPortCountLeadingZeros( ( uxReadyPriorities ) ) )
#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */ #endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#ifdef configASSERT #ifdef configASSERT
void vPortValidateInterruptPriority( void ); void vPortValidateInterruptPriority( void );
#define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() vPortValidateInterruptPriority() #define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() vPortValidateInterruptPriority()
#endif #endif
/* portNOP() is not required by this port. */ /* portNOP() is not required by this port. */
#define portNOP() #define portNOP()
#define portINLINE __inline #define portINLINE __inline
#ifndef portFORCE_INLINE #ifndef portFORCE_INLINE
#define portFORCE_INLINE inline __attribute__( ( always_inline ) ) #define portFORCE_INLINE inline __attribute__( ( always_inline ) )
#endif #endif
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
extern BaseType_t xIsPrivileged( void ); extern BaseType_t xIsPrivileged( void );
extern void vResetPrivilege( void ); extern void vResetPrivilege( void );
/** /**
* @brief Checks whether or not the processor is privileged. * @brief Checks whether or not the processor is privileged.
* *
* @return 1 if the processor is already privileged, 0 otherwise. * @return 1 if the processor is already privileged, 0 otherwise.
*/ */
#define portIS_PRIVILEGED() xIsPrivileged() #define portIS_PRIVILEGED() xIsPrivileged()
/** /**
* @brief Raise an SVC request to raise privilege. * @brief Raise an SVC request to raise privilege.
*/ */
#define portRAISE_PRIVILEGE() __asm volatile ( "svc %0 \n" ::"i" ( portSVC_RAISE_PRIVILEGE ) : "memory" ); #define portRAISE_PRIVILEGE() __asm volatile ( "svc %0 \n" ::"i" ( portSVC_RAISE_PRIVILEGE ) : "memory" );
/** /**
* @brief Lowers the privilege level by setting the bit 0 of the CONTROL * @brief Lowers the privilege level by setting the bit 0 of the CONTROL
* register. * register.
*/ */
#define portRESET_PRIVILEGE() vResetPrivilege() #define portRESET_PRIVILEGE() vResetPrivilege()
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
portFORCE_INLINE static BaseType_t xPortIsInsideInterrupt( void ) portFORCE_INLINE static BaseType_t xPortIsInsideInterrupt( void )
{
uint32_t ulCurrentInterrupt;
BaseType_t xReturn;
/* Obtain the number of the currently executing interrupt. */
__asm volatile ( "mrs %0, ipsr" : "=r" ( ulCurrentInterrupt )::"memory" );
if( ulCurrentInterrupt == 0 )
{ {
uint32_t ulCurrentInterrupt; xReturn = pdFALSE;
BaseType_t xReturn; }
else
/* Obtain the number of the currently executing interrupt. */ {
__asm volatile ( "mrs %0, ipsr" : "=r" ( ulCurrentInterrupt )::"memory" ); xReturn = pdTRUE;
if( ulCurrentInterrupt == 0 )
{
xReturn = pdFALSE;
}
else
{
xReturn = pdTRUE;
}
return xReturn;
} }
/*-----------------------------------------------------------*/ return xReturn;
}
portFORCE_INLINE static void vPortRaiseBASEPRI( void )
{
uint32_t ulNewBASEPRI;
__asm volatile
(
" mov %0, %1 \n"\
" msr basepri, %0 \n"\
" isb \n"\
" dsb \n"\
: "=r" ( ulNewBASEPRI ) : "i" ( configMAX_SYSCALL_INTERRUPT_PRIORITY ) : "memory"
);
}
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
portFORCE_INLINE static uint32_t ulPortRaiseBASEPRI( void ) portFORCE_INLINE static void vPortRaiseBASEPRI( void )
{ {
uint32_t ulOriginalBASEPRI, ulNewBASEPRI; uint32_t ulNewBASEPRI;
__asm volatile __asm volatile
( (
" mrs %0, basepri \n"\ " mov %0, %1 \n"\
" mov %1, %2 \n"\ " msr basepri, %0 \n"\
" msr basepri, %1 \n"\ " isb \n"\
" isb \n"\ " dsb \n"\
" dsb \n"\ : "=r" ( ulNewBASEPRI ) : "i" ( configMAX_SYSCALL_INTERRUPT_PRIORITY ) : "memory"
: "=r" ( ulOriginalBASEPRI ), "=r" ( ulNewBASEPRI ) : "i" ( configMAX_SYSCALL_INTERRUPT_PRIORITY ) : "memory" );
); }
/* This return will not be reached but is necessary to prevent compiler
* warnings. */
return ulOriginalBASEPRI;
}
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
portFORCE_INLINE static void vPortSetBASEPRI( uint32_t ulNewMaskValue ) portFORCE_INLINE static uint32_t ulPortRaiseBASEPRI( void )
{ {
__asm volatile uint32_t ulOriginalBASEPRI, ulNewBASEPRI;
(
" msr basepri, %0 "::"r" ( ulNewMaskValue ) : "memory" __asm volatile
); (
} " mrs %0, basepri \n"\
" mov %1, %2 \n"\
" msr basepri, %1 \n"\
" isb \n"\
" dsb \n"\
: "=r" ( ulOriginalBASEPRI ), "=r" ( ulNewBASEPRI ) : "i" ( configMAX_SYSCALL_INTERRUPT_PRIORITY ) : "memory"
);
/* This return will not be reached but is necessary to prevent compiler
* warnings. */
return ulOriginalBASEPRI;
}
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#define portMEMORY_BARRIER() __asm volatile ( "" ::: "memory" ) portFORCE_INLINE static void vPortSetBASEPRI( uint32_t ulNewMaskValue )
{
#ifndef configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY __asm volatile
#warning "configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY is not defined. We recommend defining it to 1 in FreeRTOSConfig.h for better security. https: /*www.freertos.org/FreeRTOS-V10.3.x.html" */ (
#define configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY 0 " msr basepri, %0 "::"r" ( ulNewMaskValue ) : "memory"
#endif );
}
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#define portMEMORY_BARRIER() __asm volatile ( "" ::: "memory" )
#ifndef configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY
#warning "configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY is not defined. We recommend defining it to 1 in FreeRTOSConfig.h for better security. https: /*www.freertos.org/FreeRTOS-V10.3.x.html" */
#define configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY 0
#endif
/*-----------------------------------------------------------*/
/* *INDENT-OFF* */
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif
/* *INDENT-ON* */
#endif /* PORTMACRO_H */ #endif /* PORTMACRO_H */

88
portable/GCC/AVR_AVRDx/portmacro.h
View file

@ -23,14 +23,16 @@
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces! * 1 tab == 4 spaces!
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H
#define PORTMACRO_H #define PORTMACRO_H
#ifdef __cplusplus /* *INDENT-OFF* */
extern "C" { #ifdef __cplusplus
#endif extern "C" {
#endif
/* *INDENT-ON* */
/*----------------------------------------------------------- /*-----------------------------------------------------------
* Port specific definitions. * Port specific definitions.
@ -43,64 +45,66 @@ extern "C" {
*/ */
/* Type definitions. */ /* Type definitions. */
#define portCHAR char #define portCHAR char
#define portFLOAT float #define portFLOAT float
#define portDOUBLE double #define portDOUBLE double
#define portLONG long #define portLONG long
#define portSHORT int #define portSHORT int
#define portSTACK_TYPE uint8_t #define portSTACK_TYPE uint8_t
#define portBASE_TYPE char #define portBASE_TYPE char
#define portPOINTER_SIZE_TYPE uint16_t #define portPOINTER_SIZE_TYPE uint16_t
typedef portSTACK_TYPE StackType_t; typedef portSTACK_TYPE StackType_t;
typedef signed char BaseType_t; typedef signed char BaseType_t;
typedef unsigned char UBaseType_t; typedef unsigned char UBaseType_t;
#if (configUSE_16_BIT_TICKS == 1) #if ( configUSE_16_BIT_TICKS == 1 )
typedef uint16_t TickType_t; typedef uint16_t TickType_t;
#define portMAX_DELAY (TickType_t)0xffff #define portMAX_DELAY ( TickType_t ) 0xffff
#else #else
typedef uint32_t TickType_t; typedef uint32_t TickType_t;
#define portMAX_DELAY (TickType_t)0xffffffffUL #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
#endif #endif
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Critical section management. */ /* Critical section management. */
#define portENTER_CRITICAL() \ #define portENTER_CRITICAL() \
asm volatile("in __tmp_reg__, __SREG__"); \ asm volatile ( "in __tmp_reg__, __SREG__" ); \
asm volatile("cli"); \ asm volatile ( "cli" ); \
asm volatile("push __tmp_reg__") asm volatile ( "push __tmp_reg__" )
#define portEXIT_CRITICAL() \ #define portEXIT_CRITICAL() \
asm volatile("pop __tmp_reg__"); \ asm volatile ( "pop __tmp_reg__" ); \
asm volatile("out __SREG__, __tmp_reg__") asm volatile ( "out __SREG__, __tmp_reg__" )
#define portDISABLE_INTERRUPTS() asm volatile("cli" ::); #define portDISABLE_INTERRUPTS() asm volatile ( "cli" ::);
#define portENABLE_INTERRUPTS() asm volatile("sei" ::); #define portENABLE_INTERRUPTS() asm volatile ( "sei" ::);
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Architecture specifics. */ /* Architecture specifics. */
#define portSTACK_GROWTH (-1) #define portSTACK_GROWTH ( -1 )
#define portTICK_PERIOD_MS ((TickType_t)1000 / configTICK_RATE_HZ) #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 1 #define portBYTE_ALIGNMENT 1
#define portNOP() asm volatile("nop"); #define portNOP() asm volatile ( "nop" );
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Kernel utilities. */ /* Kernel utilities. */
extern void vPortYield(void) __attribute__((naked)); extern void vPortYield( void ) __attribute__( ( naked ) );
#define portYIELD() vPortYield() #define portYIELD() vPortYield()
extern void vPortYieldFromISR(void) __attribute__((naked)); extern void vPortYieldFromISR( void ) __attribute__( ( naked ) );
#define portYIELD_FROM_ISR() vPortYieldFromISR() #define portYIELD_FROM_ISR() vPortYieldFromISR()
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Task function macros as described on the FreeRTOS.org WEB site. */ /* Task function macros as described on the FreeRTOS.org WEB site. */
#define portTASK_FUNCTION_PROTO(vFunction, pvParameters) void vFunction(void *pvParameters) #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
#define portTASK_FUNCTION(vFunction, pvParameters) void vFunction(void *pvParameters) #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
#ifdef __cplusplus /* *INDENT-OFF* */
} #ifdef __cplusplus
#endif }
#endif
/* *INDENT-ON* */
#endif /* PORTMACRO_H */ #endif /* PORTMACRO_H */

80
portable/GCC/AVR_Mega0/portmacro.h
View file

@ -23,14 +23,16 @@
* http://aws.amazon.com/freertos * http://aws.amazon.com/freertos
* *
* 1 tab == 4 spaces! * 1 tab == 4 spaces!
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H
#define PORTMACRO_H #define PORTMACRO_H
/* *INDENT-OFF* */
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
#endif #endif
/* *INDENT-ON* */
/*----------------------------------------------------------- /*-----------------------------------------------------------
* Port specific definitions. * Port specific definitions.
@ -43,64 +45,66 @@ extern "C" {
*/ */
/* Type definitions. */ /* Type definitions. */
#define portCHAR char #define portCHAR char
#define portFLOAT float #define portFLOAT float
#define portDOUBLE double #define portDOUBLE double
#define portLONG long #define portLONG long
#define portSHORT int #define portSHORT int
#define portSTACK_TYPE uint8_t #define portSTACK_TYPE uint8_t
#define portBASE_TYPE char #define portBASE_TYPE char
#define portPOINTER_SIZE_TYPE uint16_t #define portPOINTER_SIZE_TYPE uint16_t
typedef portSTACK_TYPE StackType_t; typedef portSTACK_TYPE StackType_t;
typedef signed char BaseType_t; typedef signed char BaseType_t;
typedef unsigned char UBaseType_t; typedef unsigned char UBaseType_t;
#if (configUSE_16_BIT_TICKS == 1) #if ( configUSE_16_BIT_TICKS == 1 )
typedef uint16_t TickType_t; typedef uint16_t TickType_t;
#define portMAX_DELAY (TickType_t)0xffff #define portMAX_DELAY ( TickType_t ) 0xffff
#else #else
typedef uint32_t TickType_t; typedef uint32_t TickType_t;
#define portMAX_DELAY (TickType_t)0xffffffffUL #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
#endif #endif
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Critical section management. */ /* Critical section management. */
#define portENTER_CRITICAL() \ #define portENTER_CRITICAL() \
asm volatile("in __tmp_reg__, __SREG__"); \ asm volatile ( "in __tmp_reg__, __SREG__" ); \
asm volatile("cli"); \ asm volatile ( "cli" ); \
asm volatile("push __tmp_reg__") asm volatile ( "push __tmp_reg__" )
#define portEXIT_CRITICAL() \ #define portEXIT_CRITICAL() \
asm volatile("pop __tmp_reg__"); \ asm volatile ( "pop __tmp_reg__" ); \
asm volatile("out __SREG__, __tmp_reg__") asm volatile ( "out __SREG__, __tmp_reg__" )
#define portDISABLE_INTERRUPTS() asm volatile("cli" ::); #define portDISABLE_INTERRUPTS() asm volatile ( "cli" ::);
#define portENABLE_INTERRUPTS() asm volatile("sei" ::); #define portENABLE_INTERRUPTS() asm volatile ( "sei" ::);
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Architecture specifics. */ /* Architecture specifics. */
#define portSTACK_GROWTH (-1) #define portSTACK_GROWTH ( -1 )
#define portTICK_PERIOD_MS ((TickType_t)1000 / configTICK_RATE_HZ) #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 1 #define portBYTE_ALIGNMENT 1
#define portNOP() asm volatile("nop"); #define portNOP() asm volatile ( "nop" );
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Kernel utilities. */ /* Kernel utilities. */
extern void vPortYield(void) __attribute__((naked)); extern void vPortYield( void ) __attribute__( ( naked ) );
#define portYIELD() vPortYield() #define portYIELD() vPortYield()
extern void vPortYieldFromISR(void) __attribute__((naked)); extern void vPortYieldFromISR( void ) __attribute__( ( naked ) );
#define portYIELD_FROM_ISR() vPortYieldFromISR() #define portYIELD_FROM_ISR() vPortYieldFromISR()
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Task function macros as described on the FreeRTOS.org WEB site. */ /* Task function macros as described on the FreeRTOS.org WEB site. */
#define portTASK_FUNCTION_PROTO(vFunction, pvParameters) void vFunction(void *pvParameters) #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
#define portTASK_FUNCTION(vFunction, pvParameters) void vFunction(void *pvParameters) #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
/* *INDENT-OFF* */
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif
/* *INDENT-ON* */
#endif /* PORTMACRO_H */ #endif /* PORTMACRO_H */

64
portable/IAR/ARM_CM23_NTZ/non_secure/port.c
View file

@ -612,7 +612,7 @@ static void prvTaskExitError( void )
extern uint32_t * __unprivileged_flash_end__; extern uint32_t * __unprivileged_flash_end__;
extern uint32_t * __privileged_sram_start__; extern uint32_t * __privileged_sram_start__;
extern uint32_t * __privileged_sram_end__; extern uint32_t * __privileged_sram_end__;
#else /* if defined( __ARMCC_VERSION ) */ #else /* if defined( __ARMCC_VERSION ) */
/* Declaration when these variable are exported from linker scripts. */ /* Declaration when these variable are exported from linker scripts. */
extern uint32_t __privileged_functions_start__[]; extern uint32_t __privileged_functions_start__[];
extern uint32_t __privileged_functions_end__[]; extern uint32_t __privileged_functions_end__[];
@ -802,22 +802,22 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
ulR0 = pulCallerStackAddress[ 0 ]; ulR0 = pulCallerStackAddress[ 0 ];
#if ( configENABLE_MPU == 1 ) #if ( configENABLE_MPU == 1 )
{ {
/* Read the CONTROL register value. */ /* Read the CONTROL register value. */
__asm volatile ( "mrs %0, control" : "=r" ( ulControl ) ); __asm volatile ( "mrs %0, control" : "=r" ( ulControl ) );
/* The task that raised the SVC is privileged if Bit[0] /* The task that raised the SVC is privileged if Bit[0]
* in the CONTROL register is 0. */ * in the CONTROL register is 0. */
ulIsTaskPrivileged = ( ( ulControl & portCONTROL_PRIVILEGED_MASK ) == 0 ); ulIsTaskPrivileged = ( ( ulControl & portCONTROL_PRIVILEGED_MASK ) == 0 );
/* Allocate and load a context for the secure task. */ /* Allocate and load a context for the secure task. */
xSecureContext = SecureContext_AllocateContext( ulR0, ulIsTaskPrivileged ); xSecureContext = SecureContext_AllocateContext( ulR0, ulIsTaskPrivileged );
} }
#else /* if ( configENABLE_MPU == 1 ) */ #else /* if ( configENABLE_MPU == 1 ) */
{ {
/* Allocate and load a context for the secure task. */ /* Allocate and load a context for the secure task. */
xSecureContext = SecureContext_AllocateContext( ulR0 ); xSecureContext = SecureContext_AllocateContext( ulR0 );
} }
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
configASSERT( xSecureContext != NULL ); configASSERT( xSecureContext != NULL );
@ -835,21 +835,21 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
case portSVC_START_SCHEDULER: case portSVC_START_SCHEDULER:
#if ( configENABLE_TRUSTZONE == 1 ) #if ( configENABLE_TRUSTZONE == 1 )
{ {
/* De-prioritize the non-secure exceptions so that the /* De-prioritize the non-secure exceptions so that the
* non-secure pendSV runs at the lowest priority. */ * non-secure pendSV runs at the lowest priority. */
SecureInit_DePrioritizeNSExceptions(); SecureInit_DePrioritizeNSExceptions();
/* Initialize the secure context management system. */ /* Initialize the secure context management system. */
SecureContext_Init(); SecureContext_Init();
} }
#endif /* configENABLE_TRUSTZONE */ #endif /* configENABLE_TRUSTZONE */
#if ( configENABLE_FPU == 1 ) #if ( configENABLE_FPU == 1 )
{ {
/* Setup the Floating Point Unit (FPU). */ /* Setup the Floating Point Unit (FPU). */
prvSetupFPU(); prvSetupFPU();
} }
#endif /* configENABLE_FPU */ #endif /* configENABLE_FPU */
/* Setup the context of the first task so that the first task starts /* Setup the context of the first task so that the first task starts
@ -882,12 +882,12 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
StackType_t * pxEndOfStack, StackType_t * pxEndOfStack,
TaskFunction_t pxCode, TaskFunction_t pxCode,
void * pvParameters, void * pvParameters,
BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */ BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */
#else #else
StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack, StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
StackType_t * pxEndOfStack, StackType_t * pxEndOfStack,
TaskFunction_t pxCode, TaskFunction_t pxCode,
void * pvParameters ) /* PRIVILEGED_FUNCTION */ void * pvParameters ) /* PRIVILEGED_FUNCTION */
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
{ {
/* Simulate the stack frame as it would be created by a context switch /* Simulate the stack frame as it would be created by a context switch
@ -1051,7 +1051,9 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
{ {
uint32_t ulRegionStartAddress, ulRegionEndAddress, ulRegionNumber; uint32_t ulRegionStartAddress, ulRegionEndAddress, ulRegionNumber;
int32_t lIndex = 0; int32_t lIndex = 0;
#if defined( __ARMCC_VERSION ) #if defined( __ARMCC_VERSION )
/* Declaration when these variable are defined in code instead of being /* Declaration when these variable are defined in code instead of being
* exported from linker scripts. */ * exported from linker scripts. */
extern uint32_t * __privileged_sram_start__; extern uint32_t * __privileged_sram_start__;
@ -1079,8 +1081,8 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
* using a separate MPU region. This is needed because privileged * using a separate MPU region. This is needed because privileged
* SRAM is already protected using an MPU region and ARMv8-M does * SRAM is already protected using an MPU region and ARMv8-M does
* not allow overlapping MPU regions. */ * not allow overlapping MPU regions. */
if( ulRegionStartAddress >= ( uint32_t ) __privileged_sram_start__ && if( ( ulRegionStartAddress >= ( uint32_t ) __privileged_sram_start__ ) &&
ulRegionEndAddress <= ( uint32_t ) __privileged_sram_end__ ) ( ulRegionEndAddress <= ( uint32_t ) __privileged_sram_end__ ) )
{ {
xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = 0; xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = 0;
xMPUSettings->xRegionsSettings[ 0 ].ulRLAR = 0; xMPUSettings->xRegionsSettings[ 0 ].ulRLAR = 0;
@ -1089,7 +1091,7 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
{ {
/* Define the region that allows access to the stack. */ /* Define the region that allows access to the stack. */
ulRegionStartAddress &= portMPU_RBAR_ADDRESS_MASK; ulRegionStartAddress &= portMPU_RBAR_ADDRESS_MASK;
ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK; ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK;
xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = ( ulRegionStartAddress ) | xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = ( ulRegionStartAddress ) |
( portMPU_REGION_NON_SHAREABLE ) | ( portMPU_REGION_NON_SHAREABLE ) |

64
portable/IAR/ARM_CM33/non_secure/port.c
View file

@ -612,7 +612,7 @@ static void prvTaskExitError( void )
extern uint32_t * __unprivileged_flash_end__; extern uint32_t * __unprivileged_flash_end__;
extern uint32_t * __privileged_sram_start__; extern uint32_t * __privileged_sram_start__;
extern uint32_t * __privileged_sram_end__; extern uint32_t * __privileged_sram_end__;
#else /* if defined( __ARMCC_VERSION ) */ #else /* if defined( __ARMCC_VERSION ) */
/* Declaration when these variable are exported from linker scripts. */ /* Declaration when these variable are exported from linker scripts. */
extern uint32_t __privileged_functions_start__[]; extern uint32_t __privileged_functions_start__[];
extern uint32_t __privileged_functions_end__[]; extern uint32_t __privileged_functions_end__[];
@ -802,22 +802,22 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
ulR0 = pulCallerStackAddress[ 0 ]; ulR0 = pulCallerStackAddress[ 0 ];
#if ( configENABLE_MPU == 1 ) #if ( configENABLE_MPU == 1 )
{ {
/* Read the CONTROL register value. */ /* Read the CONTROL register value. */
__asm volatile ( "mrs %0, control" : "=r" ( ulControl ) ); __asm volatile ( "mrs %0, control" : "=r" ( ulControl ) );
/* The task that raised the SVC is privileged if Bit[0] /* The task that raised the SVC is privileged if Bit[0]
* in the CONTROL register is 0. */ * in the CONTROL register is 0. */
ulIsTaskPrivileged = ( ( ulControl & portCONTROL_PRIVILEGED_MASK ) == 0 ); ulIsTaskPrivileged = ( ( ulControl & portCONTROL_PRIVILEGED_MASK ) == 0 );
/* Allocate and load a context for the secure task. */ /* Allocate and load a context for the secure task. */
xSecureContext = SecureContext_AllocateContext( ulR0, ulIsTaskPrivileged ); xSecureContext = SecureContext_AllocateContext( ulR0, ulIsTaskPrivileged );
} }
#else /* if ( configENABLE_MPU == 1 ) */ #else /* if ( configENABLE_MPU == 1 ) */
{ {
/* Allocate and load a context for the secure task. */ /* Allocate and load a context for the secure task. */
xSecureContext = SecureContext_AllocateContext( ulR0 ); xSecureContext = SecureContext_AllocateContext( ulR0 );
} }
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
configASSERT( xSecureContext != NULL ); configASSERT( xSecureContext != NULL );
@ -835,21 +835,21 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
case portSVC_START_SCHEDULER: case portSVC_START_SCHEDULER:
#if ( configENABLE_TRUSTZONE == 1 ) #if ( configENABLE_TRUSTZONE == 1 )
{ {
/* De-prioritize the non-secure exceptions so that the /* De-prioritize the non-secure exceptions so that the
* non-secure pendSV runs at the lowest priority. */ * non-secure pendSV runs at the lowest priority. */
SecureInit_DePrioritizeNSExceptions(); SecureInit_DePrioritizeNSExceptions();
/* Initialize the secure context management system. */ /* Initialize the secure context management system. */
SecureContext_Init(); SecureContext_Init();
} }
#endif /* configENABLE_TRUSTZONE */ #endif /* configENABLE_TRUSTZONE */
#if ( configENABLE_FPU == 1 ) #if ( configENABLE_FPU == 1 )
{ {
/* Setup the Floating Point Unit (FPU). */ /* Setup the Floating Point Unit (FPU). */
prvSetupFPU(); prvSetupFPU();
} }
#endif /* configENABLE_FPU */ #endif /* configENABLE_FPU */
/* Setup the context of the first task so that the first task starts /* Setup the context of the first task so that the first task starts
@ -882,12 +882,12 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
StackType_t * pxEndOfStack, StackType_t * pxEndOfStack,
TaskFunction_t pxCode, TaskFunction_t pxCode,
void * pvParameters, void * pvParameters,
BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */ BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */
#else #else
StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack, StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
StackType_t * pxEndOfStack, StackType_t * pxEndOfStack,
TaskFunction_t pxCode, TaskFunction_t pxCode,
void * pvParameters ) /* PRIVILEGED_FUNCTION */ void * pvParameters ) /* PRIVILEGED_FUNCTION */
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
{ {
/* Simulate the stack frame as it would be created by a context switch /* Simulate the stack frame as it would be created by a context switch
@ -1051,7 +1051,9 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
{ {
uint32_t ulRegionStartAddress, ulRegionEndAddress, ulRegionNumber; uint32_t ulRegionStartAddress, ulRegionEndAddress, ulRegionNumber;
int32_t lIndex = 0; int32_t lIndex = 0;
#if defined( __ARMCC_VERSION ) #if defined( __ARMCC_VERSION )
/* Declaration when these variable are defined in code instead of being /* Declaration when these variable are defined in code instead of being
* exported from linker scripts. */ * exported from linker scripts. */
extern uint32_t * __privileged_sram_start__; extern uint32_t * __privileged_sram_start__;
@ -1079,8 +1081,8 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
* using a separate MPU region. This is needed because privileged * using a separate MPU region. This is needed because privileged
* SRAM is already protected using an MPU region and ARMv8-M does * SRAM is already protected using an MPU region and ARMv8-M does
* not allow overlapping MPU regions. */ * not allow overlapping MPU regions. */
if( ulRegionStartAddress >= ( uint32_t ) __privileged_sram_start__ && if( ( ulRegionStartAddress >= ( uint32_t ) __privileged_sram_start__ ) &&
ulRegionEndAddress <= ( uint32_t ) __privileged_sram_end__ ) ( ulRegionEndAddress <= ( uint32_t ) __privileged_sram_end__ ) )
{ {
xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = 0; xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = 0;
xMPUSettings->xRegionsSettings[ 0 ].ulRLAR = 0; xMPUSettings->xRegionsSettings[ 0 ].ulRLAR = 0;
@ -1089,7 +1091,7 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
{ {
/* Define the region that allows access to the stack. */ /* Define the region that allows access to the stack. */
ulRegionStartAddress &= portMPU_RBAR_ADDRESS_MASK; ulRegionStartAddress &= portMPU_RBAR_ADDRESS_MASK;
ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK; ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK;
xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = ( ulRegionStartAddress ) | xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = ( ulRegionStartAddress ) |
( portMPU_REGION_NON_SHAREABLE ) | ( portMPU_REGION_NON_SHAREABLE ) |

64
portable/IAR/ARM_CM33_NTZ/non_secure/port.c
View file

@ -612,7 +612,7 @@ static void prvTaskExitError( void )
extern uint32_t * __unprivileged_flash_end__; extern uint32_t * __unprivileged_flash_end__;
extern uint32_t * __privileged_sram_start__; extern uint32_t * __privileged_sram_start__;
extern uint32_t * __privileged_sram_end__; extern uint32_t * __privileged_sram_end__;
#else /* if defined( __ARMCC_VERSION ) */ #else /* if defined( __ARMCC_VERSION ) */
/* Declaration when these variable are exported from linker scripts. */ /* Declaration when these variable are exported from linker scripts. */
extern uint32_t __privileged_functions_start__[]; extern uint32_t __privileged_functions_start__[];
extern uint32_t __privileged_functions_end__[]; extern uint32_t __privileged_functions_end__[];
@ -802,22 +802,22 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
ulR0 = pulCallerStackAddress[ 0 ]; ulR0 = pulCallerStackAddress[ 0 ];
#if ( configENABLE_MPU == 1 ) #if ( configENABLE_MPU == 1 )
{ {
/* Read the CONTROL register value. */ /* Read the CONTROL register value. */
__asm volatile ( "mrs %0, control" : "=r" ( ulControl ) ); __asm volatile ( "mrs %0, control" : "=r" ( ulControl ) );
/* The task that raised the SVC is privileged if Bit[0] /* The task that raised the SVC is privileged if Bit[0]
* in the CONTROL register is 0. */ * in the CONTROL register is 0. */
ulIsTaskPrivileged = ( ( ulControl & portCONTROL_PRIVILEGED_MASK ) == 0 ); ulIsTaskPrivileged = ( ( ulControl & portCONTROL_PRIVILEGED_MASK ) == 0 );
/* Allocate and load a context for the secure task. */ /* Allocate and load a context for the secure task. */
xSecureContext = SecureContext_AllocateContext( ulR0, ulIsTaskPrivileged ); xSecureContext = SecureContext_AllocateContext( ulR0, ulIsTaskPrivileged );
} }
#else /* if ( configENABLE_MPU == 1 ) */ #else /* if ( configENABLE_MPU == 1 ) */
{ {
/* Allocate and load a context for the secure task. */ /* Allocate and load a context for the secure task. */
xSecureContext = SecureContext_AllocateContext( ulR0 ); xSecureContext = SecureContext_AllocateContext( ulR0 );
} }
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
configASSERT( xSecureContext != NULL ); configASSERT( xSecureContext != NULL );
@ -835,21 +835,21 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
case portSVC_START_SCHEDULER: case portSVC_START_SCHEDULER:
#if ( configENABLE_TRUSTZONE == 1 ) #if ( configENABLE_TRUSTZONE == 1 )
{ {
/* De-prioritize the non-secure exceptions so that the /* De-prioritize the non-secure exceptions so that the
* non-secure pendSV runs at the lowest priority. */ * non-secure pendSV runs at the lowest priority. */
SecureInit_DePrioritizeNSExceptions(); SecureInit_DePrioritizeNSExceptions();
/* Initialize the secure context management system. */ /* Initialize the secure context management system. */
SecureContext_Init(); SecureContext_Init();
} }
#endif /* configENABLE_TRUSTZONE */ #endif /* configENABLE_TRUSTZONE */
#if ( configENABLE_FPU == 1 ) #if ( configENABLE_FPU == 1 )
{ {
/* Setup the Floating Point Unit (FPU). */ /* Setup the Floating Point Unit (FPU). */
prvSetupFPU(); prvSetupFPU();
} }
#endif /* configENABLE_FPU */ #endif /* configENABLE_FPU */
/* Setup the context of the first task so that the first task starts /* Setup the context of the first task so that the first task starts
@ -882,12 +882,12 @@ void vPortSVCHandler_C( uint32_t * pulCallerStackAddress ) /* PRIVILEGED_FUNCTIO
StackType_t * pxEndOfStack, StackType_t * pxEndOfStack,
TaskFunction_t pxCode, TaskFunction_t pxCode,
void * pvParameters, void * pvParameters,
BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */ BaseType_t xRunPrivileged ) /* PRIVILEGED_FUNCTION */
#else #else
StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack, StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
StackType_t * pxEndOfStack, StackType_t * pxEndOfStack,
TaskFunction_t pxCode, TaskFunction_t pxCode,
void * pvParameters ) /* PRIVILEGED_FUNCTION */ void * pvParameters ) /* PRIVILEGED_FUNCTION */
#endif /* configENABLE_MPU */ #endif /* configENABLE_MPU */
{ {
/* Simulate the stack frame as it would be created by a context switch /* Simulate the stack frame as it would be created by a context switch
@ -1051,7 +1051,9 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
{ {
uint32_t ulRegionStartAddress, ulRegionEndAddress, ulRegionNumber; uint32_t ulRegionStartAddress, ulRegionEndAddress, ulRegionNumber;
int32_t lIndex = 0; int32_t lIndex = 0;
#if defined( __ARMCC_VERSION ) #if defined( __ARMCC_VERSION )
/* Declaration when these variable are defined in code instead of being /* Declaration when these variable are defined in code instead of being
* exported from linker scripts. */ * exported from linker scripts. */
extern uint32_t * __privileged_sram_start__; extern uint32_t * __privileged_sram_start__;
@ -1079,8 +1081,8 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
* using a separate MPU region. This is needed because privileged * using a separate MPU region. This is needed because privileged
* SRAM is already protected using an MPU region and ARMv8-M does * SRAM is already protected using an MPU region and ARMv8-M does
* not allow overlapping MPU regions. */ * not allow overlapping MPU regions. */
if( ulRegionStartAddress >= ( uint32_t ) __privileged_sram_start__ && if( ( ulRegionStartAddress >= ( uint32_t ) __privileged_sram_start__ ) &&
ulRegionEndAddress <= ( uint32_t ) __privileged_sram_end__ ) ( ulRegionEndAddress <= ( uint32_t ) __privileged_sram_end__ ) )
{ {
xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = 0; xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = 0;
xMPUSettings->xRegionsSettings[ 0 ].ulRLAR = 0; xMPUSettings->xRegionsSettings[ 0 ].ulRLAR = 0;
@ -1089,7 +1091,7 @@ void vPortEndScheduler( void ) /* PRIVILEGED_FUNCTION */
{ {
/* Define the region that allows access to the stack. */ /* Define the region that allows access to the stack. */
ulRegionStartAddress &= portMPU_RBAR_ADDRESS_MASK; ulRegionStartAddress &= portMPU_RBAR_ADDRESS_MASK;
ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK; ulRegionEndAddress &= portMPU_RLAR_ADDRESS_MASK;
xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = ( ulRegionStartAddress ) | xMPUSettings->xRegionsSettings[ 0 ].ulRBAR = ( ulRegionStartAddress ) |
( portMPU_REGION_NON_SHAREABLE ) | ( portMPU_REGION_NON_SHAREABLE ) |

417
portable/IAR/ARM_CM4F_MPU/portmacro.h
View file

@ -27,11 +27,13 @@
#ifndef PORTMACRO_H #ifndef PORTMACRO_H
#define PORTMACRO_H #define PORTMACRO_H
#ifdef __cplusplus /* *INDENT-OFF* */
extern "C" { #ifdef __cplusplus
#endif extern "C" {
#endif
/* *INDENT-ON* */
/*----------------------------------------------------------- /*-----------------------------------------------------------
* Port specific definitions. * Port specific definitions.
@ -44,171 +46,172 @@
*/ */
/* IAR includes. */ /* IAR includes. */
#include <intrinsics.h> #include <intrinsics.h>
/* Type definitions. */ /* Type definitions. */
#define portCHAR char #define portCHAR char
#define portFLOAT float #define portFLOAT float
#define portDOUBLE double #define portDOUBLE double
#define portLONG long #define portLONG long
#define portSHORT short #define portSHORT short
#define portSTACK_TYPE uint32_t #define portSTACK_TYPE uint32_t
#define portBASE_TYPE long #define portBASE_TYPE long
typedef portSTACK_TYPE StackType_t; typedef portSTACK_TYPE StackType_t;
typedef long BaseType_t; typedef long BaseType_t;
typedef unsigned long UBaseType_t; typedef unsigned long UBaseType_t;
#if ( configUSE_16_BIT_TICKS == 1 ) #if ( configUSE_16_BIT_TICKS == 1 )
typedef uint16_t TickType_t; typedef uint16_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffff #define portMAX_DELAY ( TickType_t ) 0xffff
#else #else
typedef uint32_t TickType_t; typedef uint32_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
* not need to be guarded with a critical section. */ * not need to be guarded with a critical section. */
#define portTICK_TYPE_IS_ATOMIC 1 #define portTICK_TYPE_IS_ATOMIC 1
#endif #endif
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* MPU specific constants. */ /* MPU specific constants. */
#define portUSING_MPU_WRAPPERS 1 #define portUSING_MPU_WRAPPERS 1
#define portPRIVILEGE_BIT ( 0x80000000UL ) #define portPRIVILEGE_BIT ( 0x80000000UL )
#define portMPU_REGION_READ_WRITE ( 0x03UL << 24UL ) #define portMPU_REGION_READ_WRITE ( 0x03UL << 24UL )
#define portMPU_REGION_PRIVILEGED_READ_ONLY ( 0x05UL << 24UL ) #define portMPU_REGION_PRIVILEGED_READ_ONLY ( 0x05UL << 24UL )
#define portMPU_REGION_READ_ONLY ( 0x06UL << 24UL ) #define portMPU_REGION_READ_ONLY ( 0x06UL << 24UL )
#define portMPU_REGION_PRIVILEGED_READ_WRITE ( 0x01UL << 24UL ) #define portMPU_REGION_PRIVILEGED_READ_WRITE ( 0x01UL << 24UL )
#define portMPU_REGION_PRIVILEGED_READ_WRITE_UNPRIV_READ_ONLY ( 0x02UL << 24UL ) #define portMPU_REGION_PRIVILEGED_READ_WRITE_UNPRIV_READ_ONLY ( 0x02UL << 24UL )
#define portMPU_REGION_CACHEABLE_BUFFERABLE ( 0x07UL << 16UL ) #define portMPU_REGION_CACHEABLE_BUFFERABLE ( 0x07UL << 16UL )
#define portMPU_REGION_EXECUTE_NEVER ( 0x01UL << 28UL ) #define portMPU_REGION_EXECUTE_NEVER ( 0x01UL << 28UL )
/* Location of the TEX,S,C,B bits in the MPU Region Attribute and Size
* Register (RASR). */
#define portMPU_RASR_TEX_S_C_B_LOCATION ( 16UL )
#define portMPU_RASR_TEX_S_C_B_MASK ( 0x3FUL )
/* MPU settings that can be overriden in FreeRTOSConfig.h. */ /* Location of the TEX,S,C,B bits in the MPU Region Attribute and Size
#ifndef configTOTAL_MPU_REGIONS * Register (RASR). */
/* Define to 8 for backward compatibility. */ #define portMPU_RASR_TEX_S_C_B_LOCATION ( 16UL )
#define configTOTAL_MPU_REGIONS ( 8UL ) #define portMPU_RASR_TEX_S_C_B_MASK ( 0x3FUL )
#endif
/* /* MPU settings that can be overriden in FreeRTOSConfig.h. */
* The TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits define the #ifndef configTOTAL_MPU_REGIONS
* memory type, and where necessary the cacheable and shareable properties /* Define to 8 for backward compatibility. */
* of the memory region. #define configTOTAL_MPU_REGIONS ( 8UL )
* #endif
* The TEX, C, and B bits together indicate the memory type of the region,
* and:
* - For Normal memory, the cacheable properties of the region.
* - For Device memory, whether the region is shareable.
*
* For Normal memory regions, the S bit indicates whether the region is
* shareable. For Strongly-ordered and Device memory, the S bit is ignored.
*
* See the following two tables for setting TEX, S, C and B bits for
* unprivileged flash, privileged flash and privileged RAM regions.
*
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| TEX | C | B | Memory type | Description or Normal region cacheability | Shareable? |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 0 | 0 | Strongly-ordered | Strongly ordered | Shareable |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 0 | 1 | Device | Shared device | Shareable |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 1 | 0 | Normal | Outer and inner write-through; no write allocate | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 1 | 1 | Normal | Outer and inner write-back; no write allocate | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 0 | 0 | Normal | Outer and inner Non-cacheable | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 0 | 1 | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 1 | 0 | IMPLEMENTATION DEFINED | IMPLEMENTATION DEFINED | IMPLEMENTATION DEFINED |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 1 | 1 | Normal | Outer and inner write-back; write and read allocate | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 010 | 0 | 0 | Device | Non-shared device | Not shareable |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 010 | 0 | 1 | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 010 | 1 | X | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 011 | X | X | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 1BB | A | A | Normal | Cached memory, with AA and BB indicating the inner and | Reserved |
| | | | | outer cacheability rules that must be exported on the | |
| | | | | bus. See the table below for the cacheability policy | |
| | | | | encoding. memory, BB=Outer policy, AA=Inner policy. | |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
+-----------------------------------------+----------------------------------------+ /*
| AA or BB subfield of {TEX,C,B} encoding | Cacheability policy | * The TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits define the
+-----------------------------------------+----------------------------------------+ * memory type, and where necessary the cacheable and shareable properties
| 00 | Non-cacheable | * of the memory region.
+-----------------------------------------+----------------------------------------+ *
| 01 | Write-back, write and read allocate | * The TEX, C, and B bits together indicate the memory type of the region,
+-----------------------------------------+----------------------------------------+ * and:
| 10 | Write-through, no write allocate | * - For Normal memory, the cacheable properties of the region.
+-----------------------------------------+----------------------------------------+ * - For Device memory, whether the region is shareable.
| 11 | Write-back, no write allocate | *
+-----------------------------------------+----------------------------------------+ * For Normal memory regions, the S bit indicates whether the region is
*/ * shareable. For Strongly-ordered and Device memory, the S bit is ignored.
*
* See the following two tables for setting TEX, S, C and B bits for
* unprivileged flash, privileged flash and privileged RAM regions.
*
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| TEX | C | B | Memory type | Description or Normal region cacheability | Shareable? |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 0 | 0 | Strongly-ordered | Strongly ordered | Shareable |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 0 | 1 | Device | Shared device | Shareable |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 1 | 0 | Normal | Outer and inner write-through; no write allocate | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 1 | 1 | Normal | Outer and inner write-back; no write allocate | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 0 | 0 | Normal | Outer and inner Non-cacheable | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 0 | 1 | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 1 | 0 | IMPLEMENTATION DEFINED | IMPLEMENTATION DEFINED | IMPLEMENTATION DEFINED |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 1 | 1 | Normal | Outer and inner write-back; write and read allocate | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 010 | 0 | 0 | Device | Non-shared device | Not shareable |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 010 | 0 | 1 | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 010 | 1 | X | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 011 | X | X | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 1BB | A | A | Normal | Cached memory, with AA and BB indicating the inner and | Reserved |
| | | | | outer cacheability rules that must be exported on the | |
| | | | | bus. See the table below for the cacheability policy | |
| | | | | encoding. memory, BB=Outer policy, AA=Inner policy. | |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
|
+-----------------------------------------+----------------------------------------+
| AA or BB subfield of {TEX,C,B} encoding | Cacheability policy |
+-----------------------------------------+----------------------------------------+
| 00 | Non-cacheable |
+-----------------------------------------+----------------------------------------+
| 01 | Write-back, write and read allocate |
+-----------------------------------------+----------------------------------------+
| 10 | Write-through, no write allocate |
+-----------------------------------------+----------------------------------------+
| 11 | Write-back, no write allocate |
+-----------------------------------------+----------------------------------------+
*/
/* TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits for flash /* TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits for flash
* region. */ * region. */
#ifndef configTEX_S_C_B_FLASH #ifndef configTEX_S_C_B_FLASH
/* Default to TEX=000, S=1, C=1, B=1 for backward compatibility. */ /* Default to TEX=000, S=1, C=1, B=1 for backward compatibility. */
#define configTEX_S_C_B_FLASH ( 0x07UL ) #define configTEX_S_C_B_FLASH ( 0x07UL )
#endif #endif
/* TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits for RAM /* TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits for RAM
* region. */ * region. */
#ifndef configTEX_S_C_B_SRAM #ifndef configTEX_S_C_B_SRAM
/* Default to TEX=000, S=1, C=1, B=1 for backward compatibility. */ /* Default to TEX=000, S=1, C=1, B=1 for backward compatibility. */
#define configTEX_S_C_B_SRAM ( 0x07UL ) #define configTEX_S_C_B_SRAM ( 0x07UL )
#endif #endif
#define portUNPRIVILEGED_FLASH_REGION ( 0UL ) #define portUNPRIVILEGED_FLASH_REGION ( 0UL )
#define portPRIVILEGED_FLASH_REGION ( 1UL ) #define portPRIVILEGED_FLASH_REGION ( 1UL )
#define portPRIVILEGED_RAM_REGION ( 2UL ) #define portPRIVILEGED_RAM_REGION ( 2UL )
#define portGENERAL_PERIPHERALS_REGION ( 3UL ) #define portGENERAL_PERIPHERALS_REGION ( 3UL )
#define portSTACK_REGION ( 4UL ) #define portSTACK_REGION ( 4UL )
#define portFIRST_CONFIGURABLE_REGION ( 5UL ) #define portFIRST_CONFIGURABLE_REGION ( 5UL )
#define portTOTAL_NUM_REGIONS ( configTOTAL_MPU_REGIONS ) #define portTOTAL_NUM_REGIONS ( configTOTAL_MPU_REGIONS )
#define portNUM_CONFIGURABLE_REGIONS ( portTOTAL_NUM_REGIONS - portFIRST_CONFIGURABLE_REGION ) #define portNUM_CONFIGURABLE_REGIONS ( portTOTAL_NUM_REGIONS - portFIRST_CONFIGURABLE_REGION )
#define portLAST_CONFIGURABLE_REGION ( portTOTAL_NUM_REGIONS - 1UL ) #define portLAST_CONFIGURABLE_REGION ( portTOTAL_NUM_REGIONS - 1UL )
#define portSWITCH_TO_USER_MODE() __asm volatile ( " mrs r0, control \n orr r0, r0, #1 \n msr control, r0 " ::: "r0", "memory" ) #define portSWITCH_TO_USER_MODE() __asm volatile ( " mrs r0, control \n orr r0, r0, #1 \n msr control, r0 " ::: "r0", "memory" )
typedef struct MPU_REGION_REGISTERS typedef struct MPU_REGION_REGISTERS
{ {
uint32_t ulRegionBaseAddress; uint32_t ulRegionBaseAddress;
uint32_t ulRegionAttribute; uint32_t ulRegionAttribute;
} xMPU_REGION_REGISTERS; } xMPU_REGION_REGISTERS;
/* Plus 1 to create space for the stack region. */ /* Plus 1 to create space for the stack region. */
typedef struct MPU_SETTINGS typedef struct MPU_SETTINGS
{ {
xMPU_REGION_REGISTERS xRegion[ portTOTAL_NUM_REGIONS ]; xMPU_REGION_REGISTERS xRegion[ portTOTAL_NUM_REGIONS ];
} xMPU_SETTINGS; } xMPU_SETTINGS;
/* Architecture specifics. */ /* Architecture specifics. */
#define portSTACK_GROWTH ( -1 ) #define portSTACK_GROWTH ( -1 )
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 8 #define portBYTE_ALIGNMENT 8
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* SVC numbers for various services. */ /* SVC numbers for various services. */
#define portSVC_START_SCHEDULER 0 #define portSVC_START_SCHEDULER 0
#define portSVC_YIELD 1 #define portSVC_YIELD 1
#define portSVC_RAISE_PRIVILEGE 2 #define portSVC_RAISE_PRIVILEGE 2
/* Scheduler utilities. */ /* Scheduler utilities. */
#define portYIELD() __asm volatile ( " SVC %0 \n"::"i" ( portSVC_YIELD ) : "memory" ) #define portYIELD() __asm volatile ( " SVC %0 \n"::"i" ( portSVC_YIELD ) : "memory" )
#define portYIELD_WITHIN_API() \ #define portYIELD_WITHIN_API() \
{ \ { \
/* Set a PendSV to request a context switch. */ \ /* Set a PendSV to request a context switch. */ \
portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT; \ portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT; \
@ -216,137 +219,139 @@
__ISB(); \ __ISB(); \
} }
#define portNVIC_INT_CTRL_REG ( *( ( volatile uint32_t * ) 0xe000ed04 ) ) #define portNVIC_INT_CTRL_REG ( *( ( volatile uint32_t * ) 0xe000ed04 ) )
#define portNVIC_PENDSVSET_BIT ( 1UL << 28UL ) #define portNVIC_PENDSVSET_BIT ( 1UL << 28UL )
#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired != pdFALSE ) portYIELD_WITHIN_API() #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired != pdFALSE ) portYIELD_WITHIN_API()
#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x ) #define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Architecture specific optimisations. */ /* Architecture specific optimisations. */
#ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION #ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION
#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1 #define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
#endif #endif
#if ( configUSE_PORT_OPTIMISED_TASK_SELECTION == 1 ) #if ( configUSE_PORT_OPTIMISED_TASK_SELECTION == 1 )
/* Check the configuration. */ /* Check the configuration. */
#if ( configMAX_PRIORITIES > 32 ) #if ( configMAX_PRIORITIES > 32 )
#error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice. #error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice.
#endif #endif
/* Store/clear the ready priorities in a bit map. */ /* Store/clear the ready priorities in a bit map. */
#define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) ) #define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
#define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) ) #define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - ( ( uint32_t ) __CLZ( ( uxReadyPriorities ) ) ) ) #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - ( ( uint32_t ) __CLZ( ( uxReadyPriorities ) ) ) )
#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */ #endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Critical section management. */ /* Critical section management. */
extern void vPortEnterCritical( void ); extern void vPortEnterCritical( void );
extern void vPortExitCritical( void ); extern void vPortExitCritical( void );
#define portDISABLE_INTERRUPTS() \ #define portDISABLE_INTERRUPTS() \
{ \ { \
__set_BASEPRI( configMAX_SYSCALL_INTERRUPT_PRIORITY ); \ __set_BASEPRI( configMAX_SYSCALL_INTERRUPT_PRIORITY ); \
__DSB(); \ __DSB(); \
__ISB(); \ __ISB(); \
} }
#define portENABLE_INTERRUPTS() __set_BASEPRI( 0 ) #define portENABLE_INTERRUPTS() __set_BASEPRI( 0 )
#define portENTER_CRITICAL() vPortEnterCritical() #define portENTER_CRITICAL() vPortEnterCritical()
#define portEXIT_CRITICAL() vPortExitCritical() #define portEXIT_CRITICAL() vPortExitCritical()
#define portSET_INTERRUPT_MASK_FROM_ISR() __get_BASEPRI(); portDISABLE_INTERRUPTS() #define portSET_INTERRUPT_MASK_FROM_ISR() __get_BASEPRI(); portDISABLE_INTERRUPTS()
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( x ) __set_BASEPRI( x ) #define portCLEAR_INTERRUPT_MASK_FROM_ISR( x ) __set_BASEPRI( x )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Task function macros as described on the FreeRTOS.org WEB site. These are /* Task function macros as described on the FreeRTOS.org WEB site. These are
* not necessary for to use this port. They are defined so the common demo files * not necessary for to use this port. They are defined so the common demo files
* (which build with all the ports) will build. */ * (which build with all the ports) will build. */
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters ) #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters ) #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#ifdef configASSERT #ifdef configASSERT
void vPortValidateInterruptPriority( void ); void vPortValidateInterruptPriority( void );
#define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() vPortValidateInterruptPriority() #define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() vPortValidateInterruptPriority()
#endif #endif
/* portNOP() is not required by this port. */ /* portNOP() is not required by this port. */
#define portNOP() #define portNOP()
#define portINLINE __inline #define portINLINE __inline
#ifndef portFORCE_INLINE #ifndef portFORCE_INLINE
#define portFORCE_INLINE inline __attribute__( ( always_inline ) ) #define portFORCE_INLINE inline __attribute__( ( always_inline ) )
#endif #endif
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
portFORCE_INLINE static BaseType_t xPortIsInsideInterrupt( void ) portFORCE_INLINE static BaseType_t xPortIsInsideInterrupt( void )
{
uint32_t ulCurrentInterrupt;
BaseType_t xReturn;
/* Obtain the number of the currently executing interrupt. */
__asm volatile ( "mrs %0, ipsr" : "=r" ( ulCurrentInterrupt )::"memory" );
if( ulCurrentInterrupt == 0 )
{ {
uint32_t ulCurrentInterrupt; xReturn = pdFALSE;
BaseType_t xReturn; }
else
/* Obtain the number of the currently executing interrupt. */ {
__asm volatile ( "mrs %0, ipsr" : "=r" ( ulCurrentInterrupt )::"memory" ); xReturn = pdTRUE;
if( ulCurrentInterrupt == 0 )
{
xReturn = pdFALSE;
}
else
{
xReturn = pdTRUE;
}
return xReturn;
} }
return xReturn;
}
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
extern BaseType_t xIsPrivileged( void ); extern BaseType_t xIsPrivileged( void );
extern void vResetPrivilege( void ); extern void vResetPrivilege( void );
/** /**
* @brief Checks whether or not the processor is privileged. * @brief Checks whether or not the processor is privileged.
* *
* @return 1 if the processor is already privileged, 0 otherwise. * @return 1 if the processor is already privileged, 0 otherwise.
*/ */
#define portIS_PRIVILEGED() xIsPrivileged() #define portIS_PRIVILEGED() xIsPrivileged()
/** /**
* @brief Raise an SVC request to raise privilege. * @brief Raise an SVC request to raise privilege.
*/ */
#define portRAISE_PRIVILEGE() __asm volatile ( "svc %0 \n" ::"i" ( portSVC_RAISE_PRIVILEGE ) : "memory" ); #define portRAISE_PRIVILEGE() __asm volatile ( "svc %0 \n" ::"i" ( portSVC_RAISE_PRIVILEGE ) : "memory" );
/** /**
* @brief Lowers the privilege level by setting the bit 0 of the CONTROL * @brief Lowers the privilege level by setting the bit 0 of the CONTROL
* register. * register.
*/ */
#define portRESET_PRIVILEGE() vResetPrivilege() #define portRESET_PRIVILEGE() vResetPrivilege()
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#ifndef configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY #ifndef configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY
#warning "configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY is not defined. We recommend defining it to 1 in FreeRTOSConfig.h for better security. https: /*www.freertos.org/FreeRTOS-V10.3.x.html" */ #warning "configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY is not defined. We recommend defining it to 1 in FreeRTOSConfig.h for better security. https: /*www.freertos.org/FreeRTOS-V10.3.x.html" */
#define configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY 0 #define configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY 0
#endif #endif
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Suppress warnings that are generated by the IAR tools, but cannot be fixed in /* Suppress warnings that are generated by the IAR tools, but cannot be fixed in
* the source code because to do so would cause other compilers to generate * the source code because to do so would cause other compilers to generate
* warnings. */ * warnings. */
#pragma diag_suppress=Pe191 #pragma diag_suppress=Pe191
#pragma diag_suppress=Pa082 #pragma diag_suppress=Pa082
#pragma diag_suppress=Be006 #pragma diag_suppress=Be006
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#ifdef __cplusplus /* *INDENT-OFF* */
} #ifdef __cplusplus
#endif }
#endif
/* *INDENT-ON* */
#endif /* PORTMACRO_H */ #endif /* PORTMACRO_H */

173
portable/IAR/AVR_AVRDx/port.c
View file

@ -32,11 +32,11 @@
#include "task.h" #include "task.h"
/*----------------------------------------------------------- /*-----------------------------------------------------------
* Implementation of functions defined in portable.h for the AVR port. * Implementation of functions defined in portable.h for the AVR port.
*----------------------------------------------------------*/ *----------------------------------------------------------*/
/* Start tasks with interrupts enables. */ /* Start tasks with interrupts enables. */
#define portFLAGS_INT_ENABLED ((StackType_t) 0x80) #define portFLAGS_INT_ENABLED ( ( StackType_t ) 0x80 )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -45,12 +45,13 @@
#define portNO_CRITICAL_NESTING ( ( UBaseType_t ) 0 ) #define portNO_CRITICAL_NESTING ( ( UBaseType_t ) 0 )
/* Stores the critical section nesting. This must not be initialised to 0. /* Stores the critical section nesting. This must not be initialised to 0.
It will be initialised when a task starts. */ * It will be initialised when a task starts. */
UBaseType_t uxCriticalNesting = 0x50; UBaseType_t uxCriticalNesting = 0x50;
/* /*
* Setup timer to generate a tick interrupt. * Setup timer to generate a tick interrupt.
*/ */
static void prvSetupTimerInterrupt(void); static void prvSetupTimerInterrupt( void );
/* /*
* The IAR compiler does not have full support for inline assembler, so * The IAR compiler does not have full support for inline assembler, so
@ -64,37 +65,40 @@ extern void vPortStart( void );
/* /*
* See header file for description. * See header file for description.
*/ */
StackType_t *pxPortInitialiseStack(StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters) StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
TaskFunction_t pxCode,
void * pvParameters )
{ {
uint16_t usAddress; uint16_t usAddress;
StackType_t *pxTopOfHardwareStack; StackType_t * pxTopOfHardwareStack;
/* Simulate how the stack would look after a call to vPortYield(). */ /* Simulate how the stack would look after a call to vPortYield(). */
/*lint -e950 -e611 -e923 Lint doesn't like this much - but nothing I can do about it. */ /*lint -e950 -e611 -e923 Lint doesn't like this much - but nothing I can do about it. */
/* The IAR compiler requires two stacks per task. First there is the /* The IAR compiler requires two stacks per task. First there is the
hardware call stack which uses the AVR stack pointer. Second there is the * hardware call stack which uses the AVR stack pointer. Second there is the
software stack (local variables, parameter passing, etc.) which uses the * software stack (local variables, parameter passing, etc.) which uses the
AVR Y register. * AVR Y register.
This function places both stacks within the memory block passed in as the * This function places both stacks within the memory block passed in as the
first parameter. The hardware stack is placed at the bottom of the memory * first parameter. The hardware stack is placed at the bottom of the memory
block. A gap is then left for the hardware stack to grow. Next the software * block. A gap is then left for the hardware stack to grow. Next the software
stack is placed. The amount of space between the software and hardware * stack is placed. The amount of space between the software and hardware
stacks is defined by configCALL_STACK_SIZE. * stacks is defined by configCALL_STACK_SIZE.
The first part of the stack is the hardware stack. Place the start * The first part of the stack is the hardware stack. Place the start
address of the task on the hardware stack. */ * address of the task on the hardware stack. */
/* Place a few bytes of known values on the bottom of the stack. /* Place a few bytes of known values on the bottom of the stack.
This is just useful for debugging. */ * This is just useful for debugging. */
//*pxTopOfStack = 0x11; /**pxTopOfStack = 0x11; */
//pxTopOfStack--; /*pxTopOfStack--; */
//*pxTopOfStack = 0x22; /**pxTopOfStack = 0x22; */
//pxTopOfStack--; /*pxTopOfStack--; */
//*pxTopOfStack = 0x33; /**pxTopOfStack = 0x33; */
//pxTopOfStack--; /*pxTopOfStack--; */
/* Remember where the top of the hardware stack is - this is required /* Remember where the top of the hardware stack is - this is required
below. */ * below. */
pxTopOfHardwareStack = pxTopOfStack; pxTopOfHardwareStack = pxTopOfStack;
usAddress = ( uint16_t ) pxCode; usAddress = ( uint16_t ) pxCode;
@ -106,23 +110,23 @@ StackType_t *pxTopOfHardwareStack;
pxTopOfStack--; pxTopOfStack--;
/* Leave enough space for the hardware stack before starting the software /* Leave enough space for the hardware stack before starting the software
stack. The '- 2' is because we have already used two spaces for the * stack. The '- 2' is because we have already used two spaces for the
address of the start of the task. */ * address of the start of the task. */
pxTopOfStack -= ( configCALL_STACK_SIZE - 2 ); pxTopOfStack -= ( configCALL_STACK_SIZE - 2 );
/* Next simulate the stack as if after a call to portSAVE_CONTEXT(). /* Next simulate the stack as if after a call to portSAVE_CONTEXT().
portSAVE_CONTEXT places the flags on the stack immediately after r0 * portSAVE_CONTEXT places the flags on the stack immediately after r0
to ensure the interrupts get disabled as soon as possible, and so ensuring * to ensure the interrupts get disabled as soon as possible, and so ensuring
the stack use is minimal should a context switch interrupt occur. */ * the stack use is minimal should a context switch interrupt occur. */
*pxTopOfStack = ( StackType_t ) 0x00; /* R0 */ *pxTopOfStack = ( StackType_t ) 0x00; /* R0 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = portFLAGS_INT_ENABLED; *pxTopOfStack = portFLAGS_INT_ENABLED;
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00; /* RAMPZ */ *pxTopOfStack = ( StackType_t ) 0x00; /* RAMPZ */
pxTopOfStack--; pxTopOfStack--;
/* Next place the address of the hardware stack. This is required so /* Next place the address of the hardware stack. This is required so
the AVR stack pointer can be restored to point to the hardware stack. */ * the AVR stack pointer can be restored to point to the hardware stack. */
pxTopOfHardwareStack -= portBYTES_USED_BY_RETURN_ADDRESS; pxTopOfHardwareStack -= portBYTES_USED_BY_RETURN_ADDRESS;
usAddress = ( uint16_t ) pxTopOfHardwareStack; usAddress = ( uint16_t ) pxTopOfHardwareStack;
@ -136,76 +140,76 @@ StackType_t *pxTopOfHardwareStack;
pxTopOfStack--; pxTopOfStack--;
/* Now the remaining registers. */ /* Now the remaining registers. */
*pxTopOfStack = ( StackType_t ) 0x01; /* R1 */ *pxTopOfStack = ( StackType_t ) 0x01; /* R1 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x02; /* R2 */ *pxTopOfStack = ( StackType_t ) 0x02; /* R2 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x03; /* R3 */ *pxTopOfStack = ( StackType_t ) 0x03; /* R3 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x04; /* R4 */ *pxTopOfStack = ( StackType_t ) 0x04; /* R4 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x05; /* R5 */ *pxTopOfStack = ( StackType_t ) 0x05; /* R5 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x06; /* R6 */ *pxTopOfStack = ( StackType_t ) 0x06; /* R6 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x07; /* R7 */ *pxTopOfStack = ( StackType_t ) 0x07; /* R7 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x08; /* R8 */ *pxTopOfStack = ( StackType_t ) 0x08; /* R8 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x09; /* R9 */ *pxTopOfStack = ( StackType_t ) 0x09; /* R9 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x10; /* R10 */ *pxTopOfStack = ( StackType_t ) 0x10; /* R10 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x11; /* R11 */ *pxTopOfStack = ( StackType_t ) 0x11; /* R11 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x12; /* R12 */ *pxTopOfStack = ( StackType_t ) 0x12; /* R12 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x13; /* R13 */ *pxTopOfStack = ( StackType_t ) 0x13; /* R13 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x14; /* R14 */ *pxTopOfStack = ( StackType_t ) 0x14; /* R14 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x15; /* R15 */ *pxTopOfStack = ( StackType_t ) 0x15; /* R15 */
pxTopOfStack--; pxTopOfStack--;
/* Place the parameter on the stack in the expected location. */ /* Place the parameter on the stack in the expected location. */
usAddress = (uint16_t) pvParameters; usAddress = ( uint16_t ) pvParameters;
*pxTopOfStack = (StackType_t) (usAddress & (uint16_t) 0x00ff); *pxTopOfStack = ( StackType_t ) ( usAddress & ( uint16_t ) 0x00ff );
pxTopOfStack--; pxTopOfStack--;
usAddress >>= 8; usAddress >>= 8;
*pxTopOfStack = (StackType_t) (usAddress & (uint16_t) 0x00ff); *pxTopOfStack = ( StackType_t ) ( usAddress & ( uint16_t ) 0x00ff );
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x18; /* R18 */ *pxTopOfStack = ( StackType_t ) 0x18; /* R18 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x19; /* R19 */ *pxTopOfStack = ( StackType_t ) 0x19; /* R19 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x20; /* R20 */ *pxTopOfStack = ( StackType_t ) 0x20; /* R20 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x21; /* R21 */ *pxTopOfStack = ( StackType_t ) 0x21; /* R21 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x22; /* R22 */ *pxTopOfStack = ( StackType_t ) 0x22; /* R22 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x23; /* R23 */ *pxTopOfStack = ( StackType_t ) 0x23; /* R23 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x24; /* R24 */ *pxTopOfStack = ( StackType_t ) 0x24; /* R24 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x25; /* R25 */ *pxTopOfStack = ( StackType_t ) 0x25; /* R25 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x26; /* R26 X */ *pxTopOfStack = ( StackType_t ) 0x26; /* R26 X */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x27; /* R27 */ *pxTopOfStack = ( StackType_t ) 0x27; /* R27 */
pxTopOfStack--; pxTopOfStack--;
/* The Y register is not stored as it is used as the software stack and /* The Y register is not stored as it is used as the software stack and
gets saved into the task control block. */ * gets saved into the task control block. */
*pxTopOfStack = ( StackType_t ) 0x30; /* R30 Z */ *pxTopOfStack = ( StackType_t ) 0x30; /* R30 Z */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x031; /* R31 */ *pxTopOfStack = ( StackType_t ) 0x031; /* R31 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = portNO_CRITICAL_NESTING; /* Critical nesting is zero when the task starts. */ *pxTopOfStack = portNO_CRITICAL_NESTING; /* Critical nesting is zero when the task starts. */
/*lint +e950 +e611 +e923 */ /*lint +e950 +e611 +e923 */
@ -213,14 +217,14 @@ StackType_t *pxTopOfHardwareStack;
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
BaseType_t xPortStartScheduler(void) BaseType_t xPortStartScheduler( void )
{ {
/* Setup the hardware to generate the tick. */ /* Setup the hardware to generate the tick. */
prvSetupTimerInterrupt(); prvSetupTimerInterrupt();
/* Restore the context of the first task that is going to run. /* Restore the context of the first task that is going to run.
Normally we would just call portRESTORE_CONTEXT() here, but as the IAR * Normally we would just call portRESTORE_CONTEXT() here, but as the IAR
compiler does not fully support inline assembler we have to make a call.*/ * compiler does not fully support inline assembler we have to make a call.*/
vPortStart(); vPortStart();
/* Should not get here. */ /* Should not get here. */
@ -228,7 +232,7 @@ BaseType_t xPortStartScheduler(void)
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
void vPortEndScheduler(void) void vPortEndScheduler( void )
{ {
/* vPortEndScheduler is not implemented in this port. */ /* vPortEndScheduler is not implemented in this port. */
} }
@ -238,7 +242,7 @@ void vPortEndScheduler(void)
/* /*
* Setup timer to generate a tick interrupt. * Setup timer to generate a tick interrupt.
*/ */
static void prvSetupTimerInterrupt(void) static void prvSetupTimerInterrupt( void )
{ {
TICK_init(); TICK_init();
} }
@ -246,32 +250,34 @@ static void prvSetupTimerInterrupt(void)
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#if configUSE_PREEMPTION == 1 #if configUSE_PREEMPTION == 1
/* /*
* Tick ISR for preemptive scheduler. We can use a naked attribute as * Tick ISR for preemptive scheduler. We can use a naked attribute as
* the context is saved at the start of vPortYieldFromTick(). The tick * the context is saved at the start of vPortYieldFromTick(). The tick
* count is incremented after the context is saved. * count is incremented after the context is saved.
*/ */
__task void TICK_INT(void) __task void TICK_INT( void )
{ {
vPortYieldFromTick(); vPortYieldFromTick();
asm("reti"); asm ( "reti" );
} }
#else #else
/* /*
* Tick ISR for the cooperative scheduler. All this does is increment the * Tick ISR for the cooperative scheduler. All this does is increment the
* tick count. We don't need to switch context, this can only be done by * tick count. We don't need to switch context, this can only be done by
* manual calls to taskYIELD(); * manual calls to taskYIELD();
*/ */
__interrupt void TICK_INT(void) __interrupt void TICK_INT( void )
{ {
/* Clear tick interrupt flag. */ /* Clear tick interrupt flag. */
INT_FLAGS = INT_MASK; INT_FLAGS = INT_MASK;
xTaskIncrementTick(); xTaskIncrementTick();
} }
#endif #endif /* if configUSE_PREEMPTION == 1 */
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -286,6 +292,7 @@ void vPortEnterCritical( void )
void vPortExitCritical( void ) void vPortExitCritical( void )
{ {
uxCriticalNesting--; uxCriticalNesting--;
if( uxCriticalNesting == portNO_CRITICAL_NESTING ) if( uxCriticalNesting == portNO_CRITICAL_NESTING )
{ {
portENABLE_INTERRUPTS(); portENABLE_INTERRUPTS();

64
portable/IAR/AVR_AVRDx/portmacro.h
View file

@ -29,9 +29,11 @@
#ifndef PORTMACRO_H #ifndef PORTMACRO_H
#define PORTMACRO_H #define PORTMACRO_H
/* *INDENT-OFF* */
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
#endif #endif
/* *INDENT-ON* */
/*----------------------------------------------------------- /*-----------------------------------------------------------
* Port specific definitions. * Port specific definitions.
@ -44,26 +46,26 @@ extern "C" {
*/ */
/* Type definitions. */ /* Type definitions. */
#define portCHAR char #define portCHAR char
#define portFLOAT float #define portFLOAT float
#define portDOUBLE double #define portDOUBLE double
#define portLONG long #define portLONG long
#define portSHORT int #define portSHORT int
#define portSTACK_TYPE uint8_t #define portSTACK_TYPE uint8_t
#define portBASE_TYPE char #define portBASE_TYPE char
#define portPOINTER_SIZE_TYPE uint16_t #define portPOINTER_SIZE_TYPE uint16_t
typedef portSTACK_TYPE StackType_t; typedef portSTACK_TYPE StackType_t;
typedef signed char BaseType_t; typedef signed char BaseType_t;
typedef unsigned char UBaseType_t; typedef unsigned char UBaseType_t;
#if (configUSE_16_BIT_TICKS == 1) #if ( configUSE_16_BIT_TICKS == 1 )
typedef uint16_t TickType_t; typedef uint16_t TickType_t;
#define portMAX_DELAY (TickType_t)0xffff #define portMAX_DELAY ( TickType_t ) 0xffff
#else #else
typedef uint32_t TickType_t; typedef uint32_t TickType_t;
#define portMAX_DELAY (TickType_t)0xffffffffUL #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
#endif #endif
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -75,31 +77,33 @@ extern void vPortExitCritical( void );
#define portENTER_CRITICAL() vPortEnterCritical() #define portENTER_CRITICAL() vPortEnterCritical()
#define portEXIT_CRITICAL() vPortExitCritical() #define portEXIT_CRITICAL() vPortExitCritical()
#define portDISABLE_INTERRUPTS() asm( "cli" ) #define portDISABLE_INTERRUPTS() asm ( "cli" )
#define portENABLE_INTERRUPTS() asm( "sei" ) #define portENABLE_INTERRUPTS() asm ( "sei" )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Architecture specifics. */ /* Architecture specifics. */
#define portSTACK_GROWTH (-1) #define portSTACK_GROWTH ( -1 )
#define portTICK_PERIOD_MS ((TickType_t)1000 / configTICK_RATE_HZ) #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 1 #define portBYTE_ALIGNMENT 1
#define portNOP() asm( "nop" ) #define portNOP() asm ( "nop" )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Kernel utilities. */ /* Kernel utilities. */
extern void vPortYield(void); extern void vPortYield( void );
#define portYIELD() vPortYield() #define portYIELD() vPortYield()
extern void vPortYieldFromISR(void); extern void vPortYieldFromISR( void );
#define portYIELD_FROM_ISR() vPortYieldFromISR() #define portYIELD_FROM_ISR() vPortYieldFromISR()
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Task function macros as described on the FreeRTOS.org WEB site. */ /* Task function macros as described on the FreeRTOS.org WEB site. */
#define portTASK_FUNCTION_PROTO(vFunction, pvParameters) void vFunction(void *pvParameters) #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
#define portTASK_FUNCTION(vFunction, pvParameters) void vFunction(void *pvParameters) #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
/* *INDENT-OFF* */
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif
/* *INDENT-ON* */
#endif /* PORTMACRO_H */ #endif /* PORTMACRO_H */

173
portable/IAR/AVR_Mega0/port.c
View file

@ -32,11 +32,11 @@
#include "task.h" #include "task.h"
/*----------------------------------------------------------- /*-----------------------------------------------------------
* Implementation of functions defined in portable.h for the AVR port. * Implementation of functions defined in portable.h for the AVR port.
*----------------------------------------------------------*/ *----------------------------------------------------------*/
/* Start tasks with interrupts enables. */ /* Start tasks with interrupts enables. */
#define portFLAGS_INT_ENABLED ((StackType_t) 0x80) #define portFLAGS_INT_ENABLED ( ( StackType_t ) 0x80 )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -45,12 +45,13 @@
#define portNO_CRITICAL_NESTING ( ( UBaseType_t ) 0 ) #define portNO_CRITICAL_NESTING ( ( UBaseType_t ) 0 )
/* Stores the critical section nesting. This must not be initialised to 0. /* Stores the critical section nesting. This must not be initialised to 0.
It will be initialised when a task starts. */ * It will be initialised when a task starts. */
UBaseType_t uxCriticalNesting = 0x50; UBaseType_t uxCriticalNesting = 0x50;
/* /*
* Setup timer to generate a tick interrupt. * Setup timer to generate a tick interrupt.
*/ */
static void prvSetupTimerInterrupt(void); static void prvSetupTimerInterrupt( void );
/* /*
* The IAR compiler does not have full support for inline assembler, so * The IAR compiler does not have full support for inline assembler, so
@ -64,37 +65,40 @@ extern void vPortStart( void );
/* /*
* See header file for description. * See header file for description.
*/ */
StackType_t *pxPortInitialiseStack(StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters) StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
TaskFunction_t pxCode,
void * pvParameters )
{ {
uint16_t usAddress; uint16_t usAddress;
StackType_t *pxTopOfHardwareStack; StackType_t * pxTopOfHardwareStack;
/* Simulate how the stack would look after a call to vPortYield(). */ /* Simulate how the stack would look after a call to vPortYield(). */
/*lint -e950 -e611 -e923 Lint doesn't like this much - but nothing I can do about it. */ /*lint -e950 -e611 -e923 Lint doesn't like this much - but nothing I can do about it. */
/* The IAR compiler requires two stacks per task. First there is the /* The IAR compiler requires two stacks per task. First there is the
hardware call stack which uses the AVR stack pointer. Second there is the * hardware call stack which uses the AVR stack pointer. Second there is the
software stack (local variables, parameter passing, etc.) which uses the * software stack (local variables, parameter passing, etc.) which uses the
AVR Y register. * AVR Y register.
This function places both stacks within the memory block passed in as the * This function places both stacks within the memory block passed in as the
first parameter. The hardware stack is placed at the bottom of the memory * first parameter. The hardware stack is placed at the bottom of the memory
block. A gap is then left for the hardware stack to grow. Next the software * block. A gap is then left for the hardware stack to grow. Next the software
stack is placed. The amount of space between the software and hardware * stack is placed. The amount of space between the software and hardware
stacks is defined by configCALL_STACK_SIZE. * stacks is defined by configCALL_STACK_SIZE.
The first part of the stack is the hardware stack. Place the start * The first part of the stack is the hardware stack. Place the start
address of the task on the hardware stack. */ * address of the task on the hardware stack. */
/* Place a few bytes of known values on the bottom of the stack. /* Place a few bytes of known values on the bottom of the stack.
This is just useful for debugging. */ * This is just useful for debugging. */
//*pxTopOfStack = 0x11; /**pxTopOfStack = 0x11; */
//pxTopOfStack--; /*pxTopOfStack--; */
//*pxTopOfStack = 0x22; /**pxTopOfStack = 0x22; */
//pxTopOfStack--; /*pxTopOfStack--; */
//*pxTopOfStack = 0x33; /**pxTopOfStack = 0x33; */
//pxTopOfStack--; /*pxTopOfStack--; */
/* Remember where the top of the hardware stack is - this is required /* Remember where the top of the hardware stack is - this is required
below. */ * below. */
pxTopOfHardwareStack = pxTopOfStack; pxTopOfHardwareStack = pxTopOfStack;
usAddress = ( uint16_t ) pxCode; usAddress = ( uint16_t ) pxCode;
@ -106,21 +110,21 @@ StackType_t *pxTopOfHardwareStack;
pxTopOfStack--; pxTopOfStack--;
/* Leave enough space for the hardware stack before starting the software /* Leave enough space for the hardware stack before starting the software
stack. The '- 2' is because we have already used two spaces for the * stack. The '- 2' is because we have already used two spaces for the
address of the start of the task. */ * address of the start of the task. */
pxTopOfStack -= ( configCALL_STACK_SIZE - 2 ); pxTopOfStack -= ( configCALL_STACK_SIZE - 2 );
/* Next simulate the stack as if after a call to portSAVE_CONTEXT(). /* Next simulate the stack as if after a call to portSAVE_CONTEXT().
portSAVE_CONTEXT places the flags on the stack immediately after r0 * portSAVE_CONTEXT places the flags on the stack immediately after r0
to ensure the interrupts get disabled as soon as possible, and so ensuring * to ensure the interrupts get disabled as soon as possible, and so ensuring
the stack use is minimal should a context switch interrupt occur. */ * the stack use is minimal should a context switch interrupt occur. */
*pxTopOfStack = ( StackType_t ) 0x00; /* R0 */ *pxTopOfStack = ( StackType_t ) 0x00; /* R0 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = portFLAGS_INT_ENABLED; *pxTopOfStack = portFLAGS_INT_ENABLED;
pxTopOfStack--; pxTopOfStack--;
/* Next place the address of the hardware stack. This is required so /* Next place the address of the hardware stack. This is required so
the AVR stack pointer can be restored to point to the hardware stack. */ * the AVR stack pointer can be restored to point to the hardware stack. */
pxTopOfHardwareStack -= portBYTES_USED_BY_RETURN_ADDRESS; pxTopOfHardwareStack -= portBYTES_USED_BY_RETURN_ADDRESS;
usAddress = ( uint16_t ) pxTopOfHardwareStack; usAddress = ( uint16_t ) pxTopOfHardwareStack;
@ -134,76 +138,76 @@ StackType_t *pxTopOfHardwareStack;
pxTopOfStack--; pxTopOfStack--;
/* Now the remaining registers. */ /* Now the remaining registers. */
*pxTopOfStack = ( StackType_t ) 0x01; /* R1 */ *pxTopOfStack = ( StackType_t ) 0x01; /* R1 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x02; /* R2 */ *pxTopOfStack = ( StackType_t ) 0x02; /* R2 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x03; /* R3 */ *pxTopOfStack = ( StackType_t ) 0x03; /* R3 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x04; /* R4 */ *pxTopOfStack = ( StackType_t ) 0x04; /* R4 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x05; /* R5 */ *pxTopOfStack = ( StackType_t ) 0x05; /* R5 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x06; /* R6 */ *pxTopOfStack = ( StackType_t ) 0x06; /* R6 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x07; /* R7 */ *pxTopOfStack = ( StackType_t ) 0x07; /* R7 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x08; /* R8 */ *pxTopOfStack = ( StackType_t ) 0x08; /* R8 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x09; /* R9 */ *pxTopOfStack = ( StackType_t ) 0x09; /* R9 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x10; /* R10 */ *pxTopOfStack = ( StackType_t ) 0x10; /* R10 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x11; /* R11 */ *pxTopOfStack = ( StackType_t ) 0x11; /* R11 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x12; /* R12 */ *pxTopOfStack = ( StackType_t ) 0x12; /* R12 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x13; /* R13 */ *pxTopOfStack = ( StackType_t ) 0x13; /* R13 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x14; /* R14 */ *pxTopOfStack = ( StackType_t ) 0x14; /* R14 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x15; /* R15 */ *pxTopOfStack = ( StackType_t ) 0x15; /* R15 */
pxTopOfStack--; pxTopOfStack--;
/* Place the parameter on the stack in the expected location. */ /* Place the parameter on the stack in the expected location. */
usAddress = (uint16_t) pvParameters; usAddress = ( uint16_t ) pvParameters;
*pxTopOfStack = (StackType_t) (usAddress & (uint16_t) 0x00ff); *pxTopOfStack = ( StackType_t ) ( usAddress & ( uint16_t ) 0x00ff );
pxTopOfStack--; pxTopOfStack--;
usAddress >>= 8; usAddress >>= 8;
*pxTopOfStack = (StackType_t) (usAddress & (uint16_t) 0x00ff); *pxTopOfStack = ( StackType_t ) ( usAddress & ( uint16_t ) 0x00ff );
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x18; /* R18 */ *pxTopOfStack = ( StackType_t ) 0x18; /* R18 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x19; /* R19 */ *pxTopOfStack = ( StackType_t ) 0x19; /* R19 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x20; /* R20 */ *pxTopOfStack = ( StackType_t ) 0x20; /* R20 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x21; /* R21 */ *pxTopOfStack = ( StackType_t ) 0x21; /* R21 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x22; /* R22 */ *pxTopOfStack = ( StackType_t ) 0x22; /* R22 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x23; /* R23 */ *pxTopOfStack = ( StackType_t ) 0x23; /* R23 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x24; /* R24 */ *pxTopOfStack = ( StackType_t ) 0x24; /* R24 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x25; /* R25 */ *pxTopOfStack = ( StackType_t ) 0x25; /* R25 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x26; /* R26 X */ *pxTopOfStack = ( StackType_t ) 0x26; /* R26 X */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x27; /* R27 */ *pxTopOfStack = ( StackType_t ) 0x27; /* R27 */
pxTopOfStack--; pxTopOfStack--;
/* The Y register is not stored as it is used as the software stack and /* The Y register is not stored as it is used as the software stack and
gets saved into the task control block. */ * gets saved into the task control block. */
*pxTopOfStack = ( StackType_t ) 0x30; /* R30 Z */ *pxTopOfStack = ( StackType_t ) 0x30; /* R30 Z */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x031; /* R31 */ *pxTopOfStack = ( StackType_t ) 0x031; /* R31 */
pxTopOfStack--; pxTopOfStack--;
*pxTopOfStack = portNO_CRITICAL_NESTING; /* Critical nesting is zero when the task starts. */ *pxTopOfStack = portNO_CRITICAL_NESTING; /* Critical nesting is zero when the task starts. */
/*lint +e950 +e611 +e923 */ /*lint +e950 +e611 +e923 */
@ -211,14 +215,14 @@ StackType_t *pxTopOfHardwareStack;
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
BaseType_t xPortStartScheduler(void) BaseType_t xPortStartScheduler( void )
{ {
/* Setup the hardware to generate the tick. */ /* Setup the hardware to generate the tick. */
prvSetupTimerInterrupt(); prvSetupTimerInterrupt();
/* Restore the context of the first task that is going to run. /* Restore the context of the first task that is going to run.
Normally we would just call portRESTORE_CONTEXT() here, but as the IAR * Normally we would just call portRESTORE_CONTEXT() here, but as the IAR
compiler does not fully support inline assembler we have to make a call.*/ * compiler does not fully support inline assembler we have to make a call.*/
vPortStart(); vPortStart();
/* Should not get here. */ /* Should not get here. */
@ -226,7 +230,7 @@ BaseType_t xPortStartScheduler(void)
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
void vPortEndScheduler(void) void vPortEndScheduler( void )
{ {
/* vPortEndScheduler is not implemented in this port. */ /* vPortEndScheduler is not implemented in this port. */
} }
@ -236,7 +240,7 @@ void vPortEndScheduler(void)
/* /*
* Setup timer to generate a tick interrupt. * Setup timer to generate a tick interrupt.
*/ */
static void prvSetupTimerInterrupt(void) static void prvSetupTimerInterrupt( void )
{ {
TICK_init(); TICK_init();
} }
@ -244,32 +248,34 @@ static void prvSetupTimerInterrupt(void)
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#if configUSE_PREEMPTION == 1 #if configUSE_PREEMPTION == 1
/* /*
* Tick ISR for preemptive scheduler. We can use a naked attribute as * Tick ISR for preemptive scheduler. We can use a naked attribute as
* the context is saved at the start of vPortYieldFromTick(). The tick * the context is saved at the start of vPortYieldFromTick(). The tick
* count is incremented after the context is saved. * count is incremented after the context is saved.
*/ */
__task void TICK_INT(void) __task void TICK_INT( void )
{ {
vPortYieldFromTick(); vPortYieldFromTick();
asm("reti"); asm ( "reti" );
} }
#else #else
/* /*
* Tick ISR for the cooperative scheduler. All this does is increment the * Tick ISR for the cooperative scheduler. All this does is increment the
* tick count. We don't need to switch context, this can only be done by * tick count. We don't need to switch context, this can only be done by
* manual calls to taskYIELD(); * manual calls to taskYIELD();
*/ */
__interrupt void TICK_INT(void) __interrupt void TICK_INT( void )
{ {
/* Clear tick interrupt flag. */ /* Clear tick interrupt flag. */
INT_FLAGS = INT_MASK; INT_FLAGS = INT_MASK;
xTaskIncrementTick(); xTaskIncrementTick();
} }
#endif #endif /* if configUSE_PREEMPTION == 1 */
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -284,6 +290,7 @@ void vPortEnterCritical( void )
void vPortExitCritical( void ) void vPortExitCritical( void )
{ {
uxCriticalNesting--; uxCriticalNesting--;
if( uxCriticalNesting == portNO_CRITICAL_NESTING ) if( uxCriticalNesting == portNO_CRITICAL_NESTING )
{ {
portENABLE_INTERRUPTS(); portENABLE_INTERRUPTS();

64
portable/IAR/AVR_Mega0/portmacro.h
View file

@ -29,9 +29,11 @@
#ifndef PORTMACRO_H #ifndef PORTMACRO_H
#define PORTMACRO_H #define PORTMACRO_H
/* *INDENT-OFF* */
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
#endif #endif
/* *INDENT-ON* */
/*----------------------------------------------------------- /*-----------------------------------------------------------
* Port specific definitions. * Port specific definitions.
@ -44,26 +46,26 @@ extern "C" {
*/ */
/* Type definitions. */ /* Type definitions. */
#define portCHAR char #define portCHAR char
#define portFLOAT float #define portFLOAT float
#define portDOUBLE double #define portDOUBLE double
#define portLONG long #define portLONG long
#define portSHORT int #define portSHORT int
#define portSTACK_TYPE uint8_t #define portSTACK_TYPE uint8_t
#define portBASE_TYPE char #define portBASE_TYPE char
#define portPOINTER_SIZE_TYPE uint16_t #define portPOINTER_SIZE_TYPE uint16_t
typedef portSTACK_TYPE StackType_t; typedef portSTACK_TYPE StackType_t;
typedef signed char BaseType_t; typedef signed char BaseType_t;
typedef unsigned char UBaseType_t; typedef unsigned char UBaseType_t;
#if (configUSE_16_BIT_TICKS == 1) #if ( configUSE_16_BIT_TICKS == 1 )
typedef uint16_t TickType_t; typedef uint16_t TickType_t;
#define portMAX_DELAY (TickType_t)0xffff #define portMAX_DELAY ( TickType_t ) 0xffff
#else #else
typedef uint32_t TickType_t; typedef uint32_t TickType_t;
#define portMAX_DELAY (TickType_t)0xffffffffUL #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
#endif #endif
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -75,31 +77,33 @@ extern void vPortExitCritical( void );
#define portENTER_CRITICAL() vPortEnterCritical() #define portENTER_CRITICAL() vPortEnterCritical()
#define portEXIT_CRITICAL() vPortExitCritical() #define portEXIT_CRITICAL() vPortExitCritical()
#define portDISABLE_INTERRUPTS() asm( "cli" ) #define portDISABLE_INTERRUPTS() asm ( "cli" )
#define portENABLE_INTERRUPTS() asm( "sei" ) #define portENABLE_INTERRUPTS() asm ( "sei" )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Architecture specifics. */ /* Architecture specifics. */
#define portSTACK_GROWTH (-1) #define portSTACK_GROWTH ( -1 )
#define portTICK_PERIOD_MS ((TickType_t)1000 / configTICK_RATE_HZ) #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 1 #define portBYTE_ALIGNMENT 1
#define portNOP() asm( "nop" ) #define portNOP() asm ( "nop" )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Kernel utilities. */ /* Kernel utilities. */
extern void vPortYield(void); extern void vPortYield( void );
#define portYIELD() vPortYield() #define portYIELD() vPortYield()
extern void vPortYieldFromISR(void); extern void vPortYieldFromISR( void );
#define portYIELD_FROM_ISR() vPortYieldFromISR() #define portYIELD_FROM_ISR() vPortYieldFromISR()
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Task function macros as described on the FreeRTOS.org WEB site. */ /* Task function macros as described on the FreeRTOS.org WEB site. */
#define portTASK_FUNCTION_PROTO(vFunction, pvParameters) void vFunction(void *pvParameters) #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
#define portTASK_FUNCTION(vFunction, pvParameters) void vFunction(void *pvParameters) #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
/* *INDENT-OFF* */
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif
/* *INDENT-ON* */
#endif /* PORTMACRO_H */ #endif /* PORTMACRO_H */

60
portable/MikroC/ARM_CM4F/port.c
View file

@ -246,15 +246,17 @@ static void prvTaskExitError( void )
void vPortSVCHandler( void ) iv IVT_INT_SVCall ics ICS_OFF void vPortSVCHandler( void ) iv IVT_INT_SVCall ics ICS_OFF
{ {
__asm { __asm {
ldr r3, = _pxCurrentTCB /* Restore the context. */ /* *INDENT-OFF* */
ldr r1, [ r3 ] /* Use pxCurrentTCBConst to get the pxCurrentTCB address. */ ldr r3, =_pxCurrentTCB /* Restore the context. */
ldr r1, [ r3 ] /* Use pxCurrentTCBConst to get the pxCurrentTCB address. */
ldr r0, [ r1 ] /* The first item in pxCurrentTCB is the task top of stack. */ ldr r0, [ r1 ] /* The first item in pxCurrentTCB is the task top of stack. */
ldm r0 !, ( r4 - r11, r14 ) /* Pop the registers that are not automatically saved on exception entry and the critical nesting count. */ ldm r0 !, ( r4 - r11, r14 ) /* Pop the registers that are not automatically saved on exception entry and the critical nesting count. */
msr psp, r0 /* Restore the task stack pointer. */ msr psp, r0 /* Restore the task stack pointer. */
isb isb
mov r0, # 0 mov r0, #0
msr basepri, r0 msr basepri, r0
bx r14 bx r14
/* *INDENT-ON* */
}; };
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -262,8 +264,9 @@ void vPortSVCHandler( void ) iv IVT_INT_SVCall ics ICS_OFF
static void prvPortStartFirstTask( void ) static void prvPortStartFirstTask( void )
{ {
__asm { __asm {
ldr r0, = 0xE000ED08 /* Use the NVIC offset register to locate the stack. */ /* *INDENT-OFF* */
ldr r0, [ r0 ] ldr r0, =0xE000ED08 /* Use the NVIC offset register to locate the stack. */
ldr r0, [ r0 ]
ldr r0, [ r0 ] ldr r0, [ r0 ]
msr msp, r0 /* Set the msp back to the start of the stack. */ msr msp, r0 /* Set the msp back to the start of the stack. */
@ -271,14 +274,15 @@ static void prvPortStartFirstTask( void )
* before the scheduler was started - which would otherwise result in the * before the scheduler was started - which would otherwise result in the
* unnecessary leaving of space in the SVC stack for lazy saving of FPU * unnecessary leaving of space in the SVC stack for lazy saving of FPU
* registers. */ * registers. */
mov r0, # 0 mov r0, #0
msr control, r0 msr control, r0
cpsie i /* Globally enable interrupts. */ cpsie i /* Globally enable interrupts. */
cpsie f cpsie f
dsb dsb
isb isb
svc # 0 /* System call to start first task. */ svc #0 /* System call to start first task. */
nop nop
/* *INDENT-ON* */
}; };
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -432,18 +436,19 @@ void xPortPendSVHandler( void ) iv IVT_INT_PendSV ics ICS_OFF
{ {
__asm { __asm {
#ifdef HW_DEBUG #ifdef HW_DEBUG
/* *INDENT-OFF* */
/* The function is not truly naked, so add back the 4 bytes subtracted /* The function is not truly naked, so add back the 4 bytes subtracted
* from the stack pointer by the function prologue. */ * from the stack pointer by the function prologue. */
add sp, sp, # 4 add sp, sp, # 4
#endif #endif
mrs r0, psp mrs r0, psp
isb isb
ldr r3, = _pxCurrentTCB /* Get the location of the current TCB. */ ldr r3, =_pxCurrentTCB /* Get the location of the current TCB. */
ldr r2, [ r3 ] ldr r2, [ r3 ]
tst r14, # 0x10 /* Is the task using the FPU context? If so, push high vfp registers. */ tst r14, #0x10 /* Is the task using the FPU context? If so, push high vfp registers. */
it eq it eq
vstmdbeq r0 !, ( s16 - s31 ) vstmdbeq r0 !, ( s16 - s31 )
@ -453,12 +458,12 @@ void xPortPendSVHandler( void ) iv IVT_INT_PendSV ics ICS_OFF
stmdb sp !, ( r0, r3 ) stmdb sp !, ( r0, r3 )
ldr r0, = _ucMaxSyscallInterruptPriority ldr r0, = _ucMaxSyscallInterruptPriority
ldr r1, [ r0 ] ldr r1, [ r0 ]
msr basepri, r1 msr basepri, r1
dsb dsb
isb isb
bl _vTaskSwitchContext bl _vTaskSwitchContext
mov r0, # 0 mov r0, #0
msr basepri, r0 msr basepri, r0
ldm sp !, ( r0, r3 ) ldm sp !, ( r0, r3 )
@ -467,13 +472,14 @@ void xPortPendSVHandler( void ) iv IVT_INT_PendSV ics ICS_OFF
ldm r0 !, ( r4 - r11, r14 ) /* Pop the core registers. */ ldm r0 !, ( r4 - r11, r14 ) /* Pop the core registers. */
tst r14, # 0x10 /* Is the task using the FPU context? If so, pop the high vfp registers too. */ tst r14, #0x10 /* Is the task using the FPU context? If so, pop the high vfp registers too. */
it eq it eq
vldmiaeq r0 !, ( s16 - s31 ) vldmiaeq r0 !, ( s16 - s31 )
msr psp, r0 msr psp, r0
isb isb
bx r14 bx r14
/* *INDENT-ON* */
} }
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -499,7 +505,7 @@ void xPortSysTickHandler( void ) iv IVT_INT_SysTick ics ICS_AUTO
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#if ( ( configUSE_TICKLESS_IDLE == 1 ) && ( configOVERRIDE_DEFAULT_TICK_CONFIGURATION == 0 ) ) #if ( ( configUSE_TICKLESS_IDLE == 1 ) && ( configOVERRIDE_DEFAULT_TICK_CONFIGURATION == 0 ) )
void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime ) void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime )
{ {
@ -694,14 +700,14 @@ void xPortSysTickHandler( void ) iv IVT_INT_SysTick ics ICS_AUTO
} }
} }
#endif /* #if configUSE_TICKLESS_IDLE */ #endif /* #if configUSE_TICKLESS_IDLE */
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* /*
* Setup the systick timer to generate the tick interrupts at the required * Setup the systick timer to generate the tick interrupts at the required
* frequency. * frequency.
*/ */
#if ( configOVERRIDE_DEFAULT_TICK_CONFIGURATION == 0 ) #if ( configOVERRIDE_DEFAULT_TICK_CONFIGURATION == 0 )
void vPortSetupTimerInterrupt( void ) void vPortSetupTimerInterrupt( void )
{ {
@ -723,19 +729,21 @@ void xPortSysTickHandler( void ) iv IVT_INT_SysTick ics ICS_AUTO
portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT ); portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT );
} }
#endif /* configOVERRIDE_DEFAULT_TICK_CONFIGURATION */ #endif /* configOVERRIDE_DEFAULT_TICK_CONFIGURATION */
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* This is a naked function. */ /* This is a naked function. */
static void vPortEnableVFP( void ) static void vPortEnableVFP( void )
{ {
__asm { __asm {
ldr r0, = 0xE000ED88 /* The FPU enable bits are in the CPACR. */ /* *INDENT-OFF* */
ldr r1, [ r0 ] ldr r0, =0xE000ED88 /* The FPU enable bits are in the CPACR. */
ldr r1, [ r0 ]
orr r1, r1, # 0xF00000 /* Enable CP10 and CP11 coprocessors, then save back. */ orr r1, r1, #0xF00000 /* Enable CP10 and CP11 coprocessors, then save back. */
str r1, [ r0 ] str r1, [ r0 ]
bx r14 bx r14
/* *INDENT-ON* */
}; };
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -758,7 +766,7 @@ BaseType_t xPortIsInsideInterrupt( void )
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#if ( configASSERT_DEFINED == 1 ) #if ( configASSERT_DEFINED == 1 )
/* Limitations in the MikroC inline asm means ulCurrentInterrupt has to be /* Limitations in the MikroC inline asm means ulCurrentInterrupt has to be
* global - which makes vPortValidateInterruptPriority() non re-entrant. * global - which makes vPortValidateInterruptPriority() non re-entrant.
@ -772,11 +780,13 @@ BaseType_t xPortIsInsideInterrupt( void )
{ {
/* Obtain the number of the currently executing interrupt. */ /* Obtain the number of the currently executing interrupt. */
__asm { __asm {
/* *INDENT-OFF* */
push( r0, r1 ) push( r0, r1 )
mrs r0, ipsr mrs r0, ipsr
ldr r1, = _ulCurrentInterrupt ldr r1, =_ulCurrentInterrupt
str r0, [ r1 ] str r0, [ r1 ]
pop( r0, r1 ) pop( r0, r1 )
/* *INDENT-ON* */
}; };
/* Is the interrupt number a user defined interrupt? */ /* Is the interrupt number a user defined interrupt? */
@ -827,4 +837,4 @@ BaseType_t xPortIsInsideInterrupt( void )
configASSERT( ( portAIRCR_REG & portPRIORITY_GROUP_MASK ) <= ulMaxPRIGROUPValue ); configASSERT( ( portAIRCR_REG & portPRIORITY_GROUP_MASK ) <= ulMaxPRIGROUPValue );
} }
#endif /* configASSERT_DEFINED */ #endif /* configASSERT_DEFINED */

18
portable/RVDS/ARM_CM0/port.c
View file

@ -177,20 +177,21 @@ __asm void prvPortStartFirstTask( void )
/* The MSP stack is not reset as, unlike on M3/4 parts, there is no vector /* The MSP stack is not reset as, unlike on M3/4 parts, there is no vector
* table offset register that can be used to locate the initial stack value. * table offset register that can be used to locate the initial stack value.
* Not all M0 parts have the application vector table at address 0. */ * Not all M0 parts have the application vector table at address 0. */
/* *INDENT-OFF* */
ldr r3, = pxCurrentTCB /* Obtain location of pxCurrentTCB. */ ldr r3, = pxCurrentTCB /* Obtain location of pxCurrentTCB. */
ldr r1, [ r3 ] ldr r1, [ r3 ]
ldr r0, [ r1 ] /* The first item in pxCurrentTCB is the task top of stack. */ ldr r0, [ r1 ] /* The first item in pxCurrentTCB is the task top of stack. */
adds r0, # 32 /* Discard everything up to r0. */ adds r0, # 32 /* Discard everything up to r0. */
msr psp, r0 /* This is now the new top of stack to use in the task. */ msr psp, r0 /* This is now the new top of stack to use in the task. */
movs r0, # 2 /* Switch to the psp stack. */ movs r0, # 2 /* Switch to the psp stack. */
msr CONTROL, r0 msr CONTROL, r0
isb isb
pop { pop {
r0 - r5 r0 - r5
} /* Pop the registers that are saved automatically. */ } /* Pop the registers that are saved automatically. */
mov lr, r5 /* lr is now in r5. */ mov lr, r5 /* lr is now in r5. */
pop { pop {
r3 r3
} /* The return address is now in r3. */ } /* The return address is now in r3. */
pop { pop {
@ -199,7 +200,8 @@ __asm void prvPortStartFirstTask( void )
cpsie i /* The first task has its context and interrupts can be enabled. */ cpsie i /* The first task has its context and interrupts can be enabled. */
bx r3 /* Finally, jump to the user defined task code. */ bx r3 /* Finally, jump to the user defined task code. */
ALIGN ALIGN
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -289,12 +291,13 @@ __asm void xPortPendSVHandler( void )
extern vTaskSwitchContext extern vTaskSwitchContext
extern pxCurrentTCB extern pxCurrentTCB
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
mrs r0, psp mrs r0, psp
ldr r3, = pxCurrentTCB /* Get the location of the current TCB. */ ldr r3, = pxCurrentTCB /* Get the location of the current TCB. */
ldr r2, [ r3 ] ldr r2, [ r3 ]
subs r0, # 32 /* Make space for the remaining low registers. */ subs r0, # 32 /* Make space for the remaining low registers. */
str r0, [ r2 ] /* Save the new top of stack. */ str r0, [ r2 ] /* Save the new top of stack. */
@ -315,7 +318,7 @@ __asm void xPortPendSVHandler( void )
cpsid i cpsid i
bl vTaskSwitchContext bl vTaskSwitchContext
cpsie i cpsie i
pop { pop {
r2, r3 r2, r3
} /* lr goes in r3. r2 now holds tcb pointer. */ } /* lr goes in r3. r2 now holds tcb pointer. */
@ -338,7 +341,8 @@ __asm void xPortPendSVHandler( void )
} /* Pop low registers. */ } /* Pop low registers. */
bx r3 bx r3
ALIGN ALIGN
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/

26
portable/RVDS/ARM_CM3/port.c
View file

@ -213,10 +213,11 @@ static void prvTaskExitError( void )
__asm void vPortSVCHandler( void ) __asm void vPortSVCHandler( void )
{ {
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
ldr r3, = pxCurrentTCB /* Restore the context. */ ldr r3, = pxCurrentTCB /* Restore the context. */
ldr r1, [ r3 ] /* Use pxCurrentTCBConst to get the pxCurrentTCB address. */ ldr r1, [ r3 ] /* Use pxCurrentTCBConst to get the pxCurrentTCB address. */
ldr r0, [ r1 ] /* The first item in pxCurrentTCB is the task top of stack. */ ldr r0, [ r1 ] /* The first item in pxCurrentTCB is the task top of stack. */
ldmia r0 !, { ldmia r0 !, {
r4 - r11 r4 - r11
@ -227,16 +228,18 @@ __asm void vPortSVCHandler( void )
msr basepri, r0 msr basepri, r0
orr r14, # 0xd orr r14, # 0xd
bx r14 bx r14
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
__asm void prvStartFirstTask( void ) __asm void prvStartFirstTask( void )
{ {
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
/* Use the NVIC offset register to locate the stack. */ /* Use the NVIC offset register to locate the stack. */
ldr r0, = 0xE000ED08 ldr r0, = 0xE000ED08
ldr r0, [ r0 ] ldr r0, [ r0 ]
ldr r0, [ r0 ] ldr r0, [ r0 ]
/* Set the msp back to the start of the stack. */ /* Set the msp back to the start of the stack. */
@ -247,9 +250,10 @@ __asm void prvStartFirstTask( void )
dsb dsb
isb isb
/* Call SVC to start the first task. */ /* Call SVC to start the first task. */
svc 0 svc 0
nop nop
nop nop
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -388,13 +392,14 @@ __asm void xPortPendSVHandler( void )
extern pxCurrentTCB; extern pxCurrentTCB;
extern vTaskSwitchContext; extern vTaskSwitchContext;
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
mrs r0, psp mrs r0, psp
isb isb
ldr r3, = pxCurrentTCB /* Get the location of the current TCB. */ ldr r3, =pxCurrentTCB /* Get the location of the current TCB. */
ldr r2, [ r3 ] ldr r2, [ r3 ]
stmdb r0 !, { stmdb r0 !, {
r4 - r11 r4 - r11
@ -404,12 +409,12 @@ __asm void xPortPendSVHandler( void )
stmdb sp !, { stmdb sp !, {
r3, r14 r3, r14
} }
mov r0, # configMAX_SYSCALL_INTERRUPT_PRIORITY mov r0, #configMAX_SYSCALL_INTERRUPT_PRIORITY
msr basepri, r0 msr basepri, r0
dsb dsb
isb isb
bl vTaskSwitchContext bl vTaskSwitchContext
mov r0, # 0 mov r0, #0
msr basepri, r0 msr basepri, r0
ldmia sp !, { ldmia sp !, {
r3, r14 r3, r14
@ -423,7 +428,8 @@ __asm void xPortPendSVHandler( void )
msr psp, r0 msr psp, r0
isb isb
bx r14 bx r14
nop nop
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -651,10 +657,12 @@ void xPortSysTickHandler( void )
__asm uint32_t vPortGetIPSR( void ) __asm uint32_t vPortGetIPSR( void )
{ {
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
mrs r0, ipsr mrs r0, ipsr
bx r14 bx r14
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/

32
portable/RVDS/ARM_CM4F/port.c
View file

@ -240,6 +240,7 @@ static void prvTaskExitError( void )
__asm void vPortSVCHandler( void ) __asm void vPortSVCHandler( void )
{ {
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
/* Get the location of the current TCB. */ /* Get the location of the current TCB. */
@ -255,16 +256,18 @@ __asm void vPortSVCHandler( void )
mov r0, # 0 mov r0, # 0
msr basepri, r0 msr basepri, r0
bx r14 bx r14
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
__asm void prvStartFirstTask( void ) __asm void prvStartFirstTask( void )
{ {
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
/* Use the NVIC offset register to locate the stack. */ /* Use the NVIC offset register to locate the stack. */
ldr r0, = 0xE000ED08 ldr r0, =0xE000ED08
ldr r0, [ r0 ] ldr r0, [ r0 ]
ldr r0, [ r0 ] ldr r0, [ r0 ]
/* Set the msp back to the start of the stack. */ /* Set the msp back to the start of the stack. */
msr msp, r0 msr msp, r0
@ -273,7 +276,7 @@ __asm void prvStartFirstTask( void )
* before the scheduler was started - which would otherwise result in the * before the scheduler was started - which would otherwise result in the
* unnecessary leaving of space in the SVC stack for lazy saving of FPU * unnecessary leaving of space in the SVC stack for lazy saving of FPU
* registers. */ * registers. */
mov r0, # 0 mov r0, #0
msr control, r0 msr control, r0
/* Globally enable interrupts. */ /* Globally enable interrupts. */
cpsie i cpsie i
@ -281,25 +284,28 @@ __asm void prvStartFirstTask( void )
dsb dsb
isb isb
/* Call SVC to start the first task. */ /* Call SVC to start the first task. */
svc 0 svc 0
nop nop
nop nop
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
__asm void prvEnableVFP( void ) __asm void prvEnableVFP( void )
{ {
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
/* The FPU enable bits are in the CPACR. */ /* The FPU enable bits are in the CPACR. */
ldr.w r0, = 0xE000ED88 ldr.w r0, =0xE000ED88
ldr r1, [ r0 ] ldr r1, [ r0 ]
/* Enable CP10 and CP11 coprocessors, then save back. */ /* Enable CP10 and CP11 coprocessors, then save back. */
orr r1, r1, # ( 0xf << 20 ) orr r1, r1, # ( 0xf << 20 )
str r1, [ r0 ] str r1, [ r0 ]
bx r14 bx r14
nop nop
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -453,16 +459,17 @@ __asm void xPortPendSVHandler( void )
extern pxCurrentTCB; extern pxCurrentTCB;
extern vTaskSwitchContext; extern vTaskSwitchContext;
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
mrs r0, psp mrs r0, psp
isb isb
/* Get the location of the current TCB. */ /* Get the location of the current TCB. */
ldr r3, = pxCurrentTCB ldr r3, =pxCurrentTCB
ldr r2, [ r3 ] ldr r2, [ r3 ]
/* Is the task using the FPU context? If so, push high vfp registers. */ /* Is the task using the FPU context? If so, push high vfp registers. */
tst r14, # 0x10 tst r14, #0x10
it eq it eq
vstmdbeq r0 !, { vstmdbeq r0 !, {
s16 - s31 s16 - s31
@ -508,7 +515,7 @@ __asm void xPortPendSVHandler( void )
} }
msr psp, r0 msr psp, r0
isb isb
#ifdef WORKAROUND_PMU_CM001 /* XMC4000 specific errata */ #ifdef WORKAROUND_PMU_CM001 /* XMC4000 specific errata */
#if WORKAROUND_PMU_CM001 == 1 #if WORKAROUND_PMU_CM001 == 1
push { push {
@ -522,6 +529,7 @@ __asm void xPortPendSVHandler( void )
#endif #endif
bx r14 bx r14
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -749,10 +757,12 @@ void xPortSysTickHandler( void )
__asm uint32_t vPortGetIPSR( void ) __asm uint32_t vPortGetIPSR( void )
{ {
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
mrs r0, ipsr mrs r0, ipsr
bx r14 bx r14
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/

194
portable/RVDS/ARM_CM4_MPU/port.c
View file

@ -310,7 +310,8 @@ __asm void vPortSVCHandler( void )
{ {
extern prvSVCHandler extern prvSVCHandler
PRESERVE8 /* *INDENT-OFF* */
PRESERVE8
/* Assumes psp was in use. */ /* Assumes psp was in use. */
#ifndef USE_PROCESS_STACK /* Code should not be required if a main() is using the process stack. */ #ifndef USE_PROCESS_STACK /* Code should not be required if a main() is using the process stack. */
@ -323,52 +324,69 @@ __asm void vPortSVCHandler( void )
#endif #endif
b prvSVCHandler b prvSVCHandler
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
__asm void prvRestoreContextOfFirstTask( void ) __asm void prvRestoreContextOfFirstTask( void )
{ {
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
ldr r0, = 0xE000ED08 /* Use the NVIC offset register to locate the stack. */ ldr r0, =0xE000ED08 /* Use the NVIC offset register to locate the stack. */
ldr r0, [ r0 ] ldr r0, [ r0 ]
ldr r0, [ r0 ] ldr r0, [ r0 ]
msr msp, r0 /* Set the msp back to the start of the stack. */ msr msp, r0 /* Set the msp back to the start of the stack. */
ldr r3, = pxCurrentTCB /* Restore the context. */ ldr r3, =pxCurrentTCB /* Restore the context. */
ldr r1, [ r3 ] ldr r1, [ r3 ]
ldr r0, [ r1 ] /* The first item in the TCB is the task top of stack. */ ldr r0, [ r1 ] /* The first item in the TCB is the task top of stack. */
add r1, r1, # 4 /* Move onto the second item in the TCB... */ add r1, r1, #4 /* Move onto the second item in the TCB... */
dmb /* Complete outstanding transfers before disabling MPU. */ dmb /* Complete outstanding transfers before disabling MPU. */
ldr r2, = 0xe000ed94 /* MPU_CTRL register. */ ldr r2, =0xe000ed94 /* MPU_CTRL register. */
ldr r3, [ r2 ] /* Read the value of MPU_CTRL. */ ldr r3, [ r2 ] /* Read the value of MPU_CTRL. */
bic r3, r3, # 1 /* r3 = r3 & ~1 i.e. Clear the bit 0 in r3. */ bic r3, r3, # 1 /* r3 = r3 & ~1 i.e. Clear the bit 0 in r3. */
str r3, [ r2 ] /* Disable MPU. */ str r3, [ r2 ] /* Disable MPU. */
ldr r2, = 0xe000ed9c /* Region Base Address register. */ ldr r2, =0xe000ed9c /* Region Base Address register. */
ldmia r1!, {r4-r11} /* Read 4 sets of MPU registers [MPU Region # 4 - 7]. */ ldmia r1 !, {
stmia r2, {r4-r11} /* Write 4 sets of MPU registers [MPU Region # 4 - 7]. */ r4 - r11
} /* Read 4 sets of MPU registers [MPU Region # 4 - 7]. */
stmia r2, {
r4 - r11
} /* Write 4 sets of MPU registers [MPU Region # 4 - 7]. */
#if ( portTOTAL_NUM_REGIONS == 16 ) #if ( portTOTAL_NUM_REGIONS == 16 )
ldmia r1!, {r4-r11} /* Read 4 sets of MPU registers [MPU Region # 8 - 11]. */ ldmia r1 !, {
stmia r2, {r4-r11} /* Write 4 sets of MPU registers. [MPU Region # 8 - 11]. */ r4 - r11
ldmia r1!, {r4-r11} /* Read 4 sets of MPU registers [MPU Region # 12 - 15]. */ } /* Read 4 sets of MPU registers [MPU Region # 8 - 11]. */
stmia r2, {r4-r11} /* Write 4 sets of MPU registers. [MPU Region # 12 - 15]. */ stmia r2, {
#endif /* portTOTAL_NUM_REGIONS == 16. */ r4 - r11
} /* Write 4 sets of MPU registers. [MPU Region # 8 - 11]. */
ldmia r1 !, {
r4 - r11
} /* Read 4 sets of MPU registers [MPU Region # 12 - 15]. */
stmia r2, {
r4 - r11
} /* Write 4 sets of MPU registers. [MPU Region # 12 - 15]. */
#endif /* portTOTAL_NUM_REGIONS == 16. */
ldr r2, = 0xe000ed94 /* MPU_CTRL register. */ ldr r2, =0xe000ed94 /* MPU_CTRL register. */
ldr r3, [ r2 ] /* Read the value of MPU_CTRL. */ ldr r3, [ r2 ] /* Read the value of MPU_CTRL. */
orr r3, r3, # 1 /* r3 = r3 | 1 i.e. Set the bit 0 in r3. */ orr r3, r3, #1 /* r3 = r3 | 1 i.e. Set the bit 0 in r3. */
str r3, [ r2 ] /* Enable MPU. */ str r3, [ r2 ] /* Enable MPU. */
dsb /* Force memory writes before continuing. */ dsb /* Force memory writes before continuing. */
ldmia r0!, {r3-r11, r14} /* Pop the registers that are not automatically saved on exception entry. */ ldmia r0 !, {
r3 - r11, r14
} /* Pop the registers that are not automatically saved on exception entry. */
msr control, r3 msr control, r3
msr psp, r0 /* Restore the task stack pointer. */ msr psp, r0 /* Restore the task stack pointer. */
mov r0, # 0 mov r0, #0
msr basepri, r0 msr basepri, r0
bx r14 bx r14
nop nop
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -476,10 +494,11 @@ BaseType_t xPortStartScheduler( void )
__asm void prvStartFirstTask( void ) __asm void prvStartFirstTask( void )
{ {
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
/* Use the NVIC offset register to locate the stack. */ /* Use the NVIC offset register to locate the stack. */
ldr r0, = 0xE000ED08 ldr r0, =0xE000ED08
ldr r0, [ r0 ] ldr r0, [ r0 ]
ldr r0, [ r0 ] ldr r0, [ r0 ]
/* Set the msp back to the start of the stack. */ /* Set the msp back to the start of the stack. */
@ -489,7 +508,7 @@ __asm void prvStartFirstTask( void )
* before the scheduler was started - which would otherwise result in the * before the scheduler was started - which would otherwise result in the
* unnecessary leaving of space in the SVC stack for lazy saving of FPU * unnecessary leaving of space in the SVC stack for lazy saving of FPU
* registers. */ * registers. */
mov r0, # 0 mov r0, #0
msr control, r0 msr control, r0
/* Globally enable interrupts. */ /* Globally enable interrupts. */
cpsie i cpsie i
@ -499,6 +518,7 @@ __asm void prvStartFirstTask( void )
svc portSVC_START_SCHEDULER /* System call to start first task. */ svc portSVC_START_SCHEDULER /* System call to start first task. */
nop nop
nop nop
/* *INDENT-ON* */
} }
void vPortEndScheduler( void ) void vPortEndScheduler( void )
@ -542,68 +562,94 @@ __asm void xPortPendSVHandler( void )
extern pxCurrentTCB; extern pxCurrentTCB;
extern vTaskSwitchContext; extern vTaskSwitchContext;
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
mrs r0, psp mrs r0, psp
ldr r3, = pxCurrentTCB /* Get the location of the current TCB. */ ldr r3, =pxCurrentTCB /* Get the location of the current TCB. */
ldr r2, [ r3 ] ldr r2, [ r3 ]
tst r14, # 0x10 /* Is the task using the FPU context? If so, push high vfp registers. */ tst r14, #0x10 /* Is the task using the FPU context? If so, push high vfp registers. */
it eq it eq
vstmdbeq r0!, {s16-s31} vstmdbeq r0 !, {
s16 - s31
}
mrs r1, control mrs r1, control
stmdb r0!, {r1, r4-r11, r14} /* Save the remaining registers. */ stmdb r0 !, {
str r0, [ r2 ] /* Save the new top of stack into the first member of the TCB. */ r1, r4 - r11, r14
} /* Save the remaining registers. */
str r0, [ r2 ] /* Save the new top of stack into the first member of the TCB. */
stmdb sp!, {r0, r3} stmdb sp !, {
r0, r3
}
mov r0, # configMAX_SYSCALL_INTERRUPT_PRIORITY mov r0, # configMAX_SYSCALL_INTERRUPT_PRIORITY
msr basepri, r0 msr basepri, r0
dsb dsb
isb isb
bl vTaskSwitchContext bl vTaskSwitchContext
mov r0, # 0 mov r0, #0
msr basepri, r0 msr basepri, r0
ldmia sp!, {r0, r3} ldmia sp !, {
r0, r3
}
/* Restore the context. */ /* Restore the context. */
ldr r1, [ r3 ] ldr r1, [ r3 ]
ldr r0, [ r1 ] /* The first item in the TCB is the task top of stack. */ ldr r0, [ r1 ] /* The first item in the TCB is the task top of stack. */
add r1, r1, # 4 /* Move onto the second item in the TCB... */ add r1, r1, #4 /* Move onto the second item in the TCB... */
dmb /* Complete outstanding transfers before disabling MPU. */ dmb /* Complete outstanding transfers before disabling MPU. */
ldr r2, = 0xe000ed94 /* MPU_CTRL register. */ ldr r2, =0xe000ed94 /* MPU_CTRL register. */
ldr r3, [ r2 ] /* Read the value of MPU_CTRL. */ ldr r3, [ r2 ] /* Read the value of MPU_CTRL. */
bic r3, r3, # 1 /* r3 = r3 & ~1 i.e. Clear the bit 0 in r3. */ bic r3, r3, #1 /* r3 = r3 & ~1 i.e. Clear the bit 0 in r3. */
str r3, [ r2 ] /* Disable MPU. */ str r3, [ r2 ] /* Disable MPU. */
ldr r2, = 0xe000ed9c /* Region Base Address register. */ ldr r2, =0xe000ed9c /* Region Base Address register. */
ldmia r1!, {r4-r11} /* Read 4 sets of MPU registers [MPU Region # 4 - 7]. */ ldmia r1 !, {
stmia r2, {r4-r11} /* Write 4 sets of MPU registers [MPU Region # 4 - 7]. */ r4 - r11
} /* Read 4 sets of MPU registers [MPU Region # 4 - 7]. */
stmia r2, {
r4 - r11
} /* Write 4 sets of MPU registers [MPU Region # 4 - 7]. */
#if ( portTOTAL_NUM_REGIONS == 16 ) #if ( portTOTAL_NUM_REGIONS == 16 )
ldmia r1!, {r4-r11} /* Read 4 sets of MPU registers [MPU Region # 8 - 11]. */ ldmia r1 !, {
stmia r2, {r4-r11} /* Write 4 sets of MPU registers. [MPU Region # 8 - 11]. */ r4 - r11
ldmia r1!, {r4-r11} /* Read 4 sets of MPU registers [MPU Region # 12 - 15]. */ } /* Read 4 sets of MPU registers [MPU Region # 8 - 11]. */
stmia r2, {r4-r11} /* Write 4 sets of MPU registers. [MPU Region # 12 - 15]. */ stmia r2, {
#endif /* portTOTAL_NUM_REGIONS == 16. */ r4 - r11
} /* Write 4 sets of MPU registers. [MPU Region # 8 - 11]. */
ldmia r1 !, {
r4 - r11
} /* Read 4 sets of MPU registers [MPU Region # 12 - 15]. */
stmia r2, {
r4 - r11
} /* Write 4 sets of MPU registers. [MPU Region # 12 - 15]. */
#endif /* portTOTAL_NUM_REGIONS == 16. */
ldr r2, = 0xe000ed94 /* MPU_CTRL register. */ ldr r2, =0xe000ed94 /* MPU_CTRL register. */
ldr r3, [ r2 ] /* Read the value of MPU_CTRL. */ ldr r3, [ r2 ] /* Read the value of MPU_CTRL. */
orr r3, r3, #1 /* r3 = r3 | 1 i.e. Set the bit 0 in r3. */ orr r3, r3, #1 /* r3 = r3 | 1 i.e. Set the bit 0 in r3. */
str r3, [ r2 ] /* Enable MPU. */ str r3, [ r2 ] /* Enable MPU. */
dsb /* Force memory writes before continuing. */ dsb /* Force memory writes before continuing. */
ldmia r0!, {r3-r11, r14} /* Pop the registers that are not automatically saved on exception entry. */ ldmia r0 !, {
r3 - r11, r14
} /* Pop the registers that are not automatically saved on exception entry. */
msr control, r3 msr control, r3
tst r14, # 0x10 /* Is the task using the FPU context? If so, pop the high vfp registers too. */ tst r14, #0x10 /* Is the task using the FPU context? If so, pop the high vfp registers too. */
it eq it eq
vldmiaeq r0!, {s16-s31} vldmiaeq r0 !, {
s16 - s31
}
msr psp, r0 msr psp, r0
bx r14 bx r14
nop nop
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -642,27 +688,31 @@ __weak void vSetupTimerInterrupt( void )
__asm void vPortSwitchToUserMode( void ) __asm void vPortSwitchToUserMode( void )
{ {
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
mrs r0, control mrs r0, control
orr r0, # 1 orr r0, #1
msr control, r0 msr control, r0
bx r14 bx r14
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
__asm void vPortEnableVFP( void ) __asm void vPortEnableVFP( void )
{ {
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
ldr.w r0, = 0xE000ED88 /* The FPU enable bits are in the CPACR. */ ldr.w r0, =0xE000ED88 /* The FPU enable bits are in the CPACR. */
ldr r1, [ r0 ] ldr r1, [ r0 ]
orr r1, r1, # ( 0xf << 20 ) /* Enable CP10 and CP11 coprocessors, then save back. */ orr r1, r1, #( 0xf << 20 ) /* Enable CP10 and CP11 coprocessors, then save back. */
str r1, [ r0 ] str r1, [ r0 ]
bx r14 bx r14
nop nop
nop nop
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -761,25 +811,29 @@ static uint32_t prvGetMPURegionSizeSetting( uint32_t ulActualSizeInBytes )
__asm BaseType_t xIsPrivileged( void ) __asm BaseType_t xIsPrivileged( void )
{ {
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
mrs r0, control /* r0 = CONTROL. */ mrs r0, control /* r0 = CONTROL. */
tst r0, # 1 /* Perform r0 & 1 (bitwise AND) and update the conditions flag. */ tst r0, #1 /* Perform r0 & 1 (bitwise AND) and update the conditions flag. */
ite ne ite ne
movne r0, # 0 /* CONTROL[0]!=0. Return false to indicate that the processor is not privileged. */ movne r0, #0 /* CONTROL[0]!=0. Return false to indicate that the processor is not privileged. */
moveq r0, # 1 /* CONTROL[0]==0. Return true to indicate that the processor is privileged. */ moveq r0, #1 /* CONTROL[0]==0. Return true to indicate that the processor is privileged. */
bx lr /* Return. */ bx lr /* Return. */
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
__asm void vResetPrivilege( void ) __asm void vResetPrivilege( void )
{ {
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
mrs r0, control /* r0 = CONTROL. */ mrs r0, control /* r0 = CONTROL. */
orrs r0, # 1 /* r0 = r0 | 1. */ orrs r0, #1 /* r0 = r0 | 1. */
msr control, r0 /* CONTROL = r0. */ msr control, r0 /* CONTROL = r0. */
bx lr /* Return. */ bx lr /* Return. */
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -886,10 +940,12 @@ void vPortStoreTaskMPUSettings( xMPU_SETTINGS * xMPUSettings,
__asm uint32_t prvPortGetIPSR( void ) __asm uint32_t prvPortGetIPSR( void )
{ {
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
mrs r0, ipsr mrs r0, ipsr
bx r14 bx r14
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/

507
portable/RVDS/ARM_CM4_MPU/portmacro.h
View file

@ -27,11 +27,13 @@
#ifndef PORTMACRO_H #ifndef PORTMACRO_H
#define PORTMACRO_H #define PORTMACRO_H
#ifdef __cplusplus /* *INDENT-OFF* */
extern "C" { #ifdef __cplusplus
#endif extern "C" {
#endif
/* *INDENT-ON* */
/*----------------------------------------------------------- /*-----------------------------------------------------------
* Port specific definitions. * Port specific definitions.
@ -44,173 +46,174 @@
*/ */
/* Type definitions. */ /* Type definitions. */
#define portCHAR char #define portCHAR char
#define portFLOAT float #define portFLOAT float
#define portDOUBLE double #define portDOUBLE double
#define portLONG long #define portLONG long
#define portSHORT short #define portSHORT short
#define portSTACK_TYPE uint32_t #define portSTACK_TYPE uint32_t
#define portBASE_TYPE long #define portBASE_TYPE long
typedef portSTACK_TYPE StackType_t; typedef portSTACK_TYPE StackType_t;
typedef long BaseType_t; typedef long BaseType_t;
typedef unsigned long UBaseType_t; typedef unsigned long UBaseType_t;
#if ( configUSE_16_BIT_TICKS == 1 ) #if ( configUSE_16_BIT_TICKS == 1 )
typedef uint16_t TickType_t; typedef uint16_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffff #define portMAX_DELAY ( TickType_t ) 0xffff
#else #else
typedef uint32_t TickType_t; typedef uint32_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
* not need to be guarded with a critical section. */ * not need to be guarded with a critical section. */
#define portTICK_TYPE_IS_ATOMIC 1 #define portTICK_TYPE_IS_ATOMIC 1
#endif #endif
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* MPU specific constants. */ /* MPU specific constants. */
#define portUSING_MPU_WRAPPERS 1 #define portUSING_MPU_WRAPPERS 1
#define portPRIVILEGE_BIT ( 0x80000000UL ) #define portPRIVILEGE_BIT ( 0x80000000UL )
#define portMPU_REGION_READ_WRITE ( 0x03UL << 24UL ) #define portMPU_REGION_READ_WRITE ( 0x03UL << 24UL )
#define portMPU_REGION_PRIVILEGED_READ_ONLY ( 0x05UL << 24UL ) #define portMPU_REGION_PRIVILEGED_READ_ONLY ( 0x05UL << 24UL )
#define portMPU_REGION_READ_ONLY ( 0x06UL << 24UL ) #define portMPU_REGION_READ_ONLY ( 0x06UL << 24UL )
#define portMPU_REGION_PRIVILEGED_READ_WRITE ( 0x01UL << 24UL ) #define portMPU_REGION_PRIVILEGED_READ_WRITE ( 0x01UL << 24UL )
#define portMPU_REGION_PRIVILEGED_READ_WRITE_UNPRIV_READ_ONLY ( 0x02UL << 24UL ) #define portMPU_REGION_PRIVILEGED_READ_WRITE_UNPRIV_READ_ONLY ( 0x02UL << 24UL )
#define portMPU_REGION_CACHEABLE_BUFFERABLE ( 0x07UL << 16UL ) #define portMPU_REGION_CACHEABLE_BUFFERABLE ( 0x07UL << 16UL )
#define portMPU_REGION_EXECUTE_NEVER ( 0x01UL << 28UL ) #define portMPU_REGION_EXECUTE_NEVER ( 0x01UL << 28UL )
/* Location of the TEX,S,C,B bits in the MPU Region Attribute and Size
* Register (RASR). */
#define portMPU_RASR_TEX_S_C_B_LOCATION ( 16UL )
#define portMPU_RASR_TEX_S_C_B_MASK ( 0x3FUL )
/* MPU settings that can be overriden in FreeRTOSConfig.h. */ /* Location of the TEX,S,C,B bits in the MPU Region Attribute and Size
#ifndef configTOTAL_MPU_REGIONS * Register (RASR). */
/* Define to 8 for backward compatibility. */ #define portMPU_RASR_TEX_S_C_B_LOCATION ( 16UL )
#define configTOTAL_MPU_REGIONS ( 8UL ) #define portMPU_RASR_TEX_S_C_B_MASK ( 0x3FUL )
#endif
/* /* MPU settings that can be overriden in FreeRTOSConfig.h. */
* The TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits define the #ifndef configTOTAL_MPU_REGIONS
* memory type, and where necessary the cacheable and shareable properties /* Define to 8 for backward compatibility. */
* of the memory region. #define configTOTAL_MPU_REGIONS ( 8UL )
* #endif
* The TEX, C, and B bits together indicate the memory type of the region,
* and:
* - For Normal memory, the cacheable properties of the region.
* - For Device memory, whether the region is shareable.
*
* For Normal memory regions, the S bit indicates whether the region is
* shareable. For Strongly-ordered and Device memory, the S bit is ignored.
*
* See the following two tables for setting TEX, S, C and B bits for
* unprivileged flash, privileged flash and privileged RAM regions.
*
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| TEX | C | B | Memory type | Description or Normal region cacheability | Shareable? |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 0 | 0 | Strongly-ordered | Strongly ordered | Shareable |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 0 | 1 | Device | Shared device | Shareable |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 1 | 0 | Normal | Outer and inner write-through; no write allocate | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 1 | 1 | Normal | Outer and inner write-back; no write allocate | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 0 | 0 | Normal | Outer and inner Non-cacheable | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 0 | 1 | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 1 | 0 | IMPLEMENTATION DEFINED | IMPLEMENTATION DEFINED | IMPLEMENTATION DEFINED |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 1 | 1 | Normal | Outer and inner write-back; write and read allocate | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 010 | 0 | 0 | Device | Non-shared device | Not shareable |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 010 | 0 | 1 | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 010 | 1 | X | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 011 | X | X | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 1BB | A | A | Normal | Cached memory, with AA and BB indicating the inner and | Reserved |
| | | | | outer cacheability rules that must be exported on the | |
| | | | | bus. See the table below for the cacheability policy | |
| | | | | encoding. memory, BB=Outer policy, AA=Inner policy. | |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
+-----------------------------------------+----------------------------------------+ /*
| AA or BB subfield of {TEX,C,B} encoding | Cacheability policy | * The TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits define the
+-----------------------------------------+----------------------------------------+ * memory type, and where necessary the cacheable and shareable properties
| 00 | Non-cacheable | * of the memory region.
+-----------------------------------------+----------------------------------------+ *
| 01 | Write-back, write and read allocate | * The TEX, C, and B bits together indicate the memory type of the region,
+-----------------------------------------+----------------------------------------+ * and:
| 10 | Write-through, no write allocate | * - For Normal memory, the cacheable properties of the region.
+-----------------------------------------+----------------------------------------+ * - For Device memory, whether the region is shareable.
| 11 | Write-back, no write allocate | *
+-----------------------------------------+----------------------------------------+ * For Normal memory regions, the S bit indicates whether the region is
*/ * shareable. For Strongly-ordered and Device memory, the S bit is ignored.
*
* See the following two tables for setting TEX, S, C and B bits for
* unprivileged flash, privileged flash and privileged RAM regions.
*
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| TEX | C | B | Memory type | Description or Normal region cacheability | Shareable? |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 0 | 0 | Strongly-ordered | Strongly ordered | Shareable |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 0 | 1 | Device | Shared device | Shareable |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 1 | 0 | Normal | Outer and inner write-through; no write allocate | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 000 | 1 | 1 | Normal | Outer and inner write-back; no write allocate | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 0 | 0 | Normal | Outer and inner Non-cacheable | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 0 | 1 | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 1 | 0 | IMPLEMENTATION DEFINED | IMPLEMENTATION DEFINED | IMPLEMENTATION DEFINED |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 001 | 1 | 1 | Normal | Outer and inner write-back; write and read allocate | S bit |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 010 | 0 | 0 | Device | Non-shared device | Not shareable |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 010 | 0 | 1 | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 010 | 1 | X | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 011 | X | X | Reserved | Reserved | Reserved |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
| 1BB | A | A | Normal | Cached memory, with AA and BB indicating the inner and | Reserved |
| | | | | outer cacheability rules that must be exported on the | |
| | | | | bus. See the table below for the cacheability policy | |
| | | | | encoding. memory, BB=Outer policy, AA=Inner policy. | |
+-----+---+---+------------------------+--------------------------------------------------------+-------------------------+
|
+-----------------------------------------+----------------------------------------+
| AA or BB subfield of {TEX,C,B} encoding | Cacheability policy |
+-----------------------------------------+----------------------------------------+
| 00 | Non-cacheable |
+-----------------------------------------+----------------------------------------+
| 01 | Write-back, write and read allocate |
+-----------------------------------------+----------------------------------------+
| 10 | Write-through, no write allocate |
+-----------------------------------------+----------------------------------------+
| 11 | Write-back, no write allocate |
+-----------------------------------------+----------------------------------------+
*/
/* TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits for Flash /* TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits for Flash
* region. */ * region. */
#ifndef configTEX_S_C_B_FLASH #ifndef configTEX_S_C_B_FLASH
/* Default to TEX=000, S=1, C=1, B=1 for backward compatibility. */ /* Default to TEX=000, S=1, C=1, B=1 for backward compatibility. */
#define configTEX_S_C_B_FLASH ( 0x07UL ) #define configTEX_S_C_B_FLASH ( 0x07UL )
#endif #endif
/* TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits for SRAM /* TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits for SRAM
* region. */ * region. */
#ifndef configTEX_S_C_B_SRAM #ifndef configTEX_S_C_B_SRAM
/* Default to TEX=000, S=1, C=1, B=1 for backward compatibility. */ /* Default to TEX=000, S=1, C=1, B=1 for backward compatibility. */
#define configTEX_S_C_B_SRAM ( 0x07UL ) #define configTEX_S_C_B_SRAM ( 0x07UL )
#endif #endif
#define portUNPRIVILEGED_FLASH_REGION ( 0UL ) #define portUNPRIVILEGED_FLASH_REGION ( 0UL )
#define portPRIVILEGED_FLASH_REGION ( 1UL ) #define portPRIVILEGED_FLASH_REGION ( 1UL )
#define portPRIVILEGED_RAM_REGION ( 2UL ) #define portPRIVILEGED_RAM_REGION ( 2UL )
#define portGENERAL_PERIPHERALS_REGION ( 3UL ) #define portGENERAL_PERIPHERALS_REGION ( 3UL )
#define portSTACK_REGION ( 4UL ) #define portSTACK_REGION ( 4UL )
#define portFIRST_CONFIGURABLE_REGION ( 5UL ) #define portFIRST_CONFIGURABLE_REGION ( 5UL )
#define portTOTAL_NUM_REGIONS ( configTOTAL_MPU_REGIONS ) #define portTOTAL_NUM_REGIONS ( configTOTAL_MPU_REGIONS )
#define portNUM_CONFIGURABLE_REGIONS ( portTOTAL_NUM_REGIONS - portFIRST_CONFIGURABLE_REGION ) #define portNUM_CONFIGURABLE_REGIONS ( portTOTAL_NUM_REGIONS - portFIRST_CONFIGURABLE_REGION )
#define portLAST_CONFIGURABLE_REGION ( portTOTAL_NUM_REGIONS - 1 ) #define portLAST_CONFIGURABLE_REGION ( portTOTAL_NUM_REGIONS - 1 )
void vPortSwitchToUserMode( void ); void vPortSwitchToUserMode( void );
#define portSWITCH_TO_USER_MODE() vPortSwitchToUserMode() #define portSWITCH_TO_USER_MODE() vPortSwitchToUserMode()
typedef struct MPU_REGION_REGISTERS typedef struct MPU_REGION_REGISTERS
{ {
uint32_t ulRegionBaseAddress; uint32_t ulRegionBaseAddress;
uint32_t ulRegionAttribute; uint32_t ulRegionAttribute;
} xMPU_REGION_REGISTERS; } xMPU_REGION_REGISTERS;
/* Plus 1 to create space for the stack region. */ /* Plus 1 to create space for the stack region. */
typedef struct MPU_SETTINGS typedef struct MPU_SETTINGS
{ {
xMPU_REGION_REGISTERS xRegion[ portTOTAL_NUM_REGIONS ]; xMPU_REGION_REGISTERS xRegion[ portTOTAL_NUM_REGIONS ];
} xMPU_SETTINGS; } xMPU_SETTINGS;
/* Architecture specifics. */ /* Architecture specifics. */
#define portSTACK_GROWTH ( -1 ) #define portSTACK_GROWTH ( -1 )
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 8 #define portBYTE_ALIGNMENT 8
/* Constants used with memory barrier intrinsics. */ /* Constants used with memory barrier intrinsics. */
#define portSY_FULL_READ_WRITE ( 15 ) #define portSY_FULL_READ_WRITE ( 15 )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* SVC numbers for various services. */ /* SVC numbers for various services. */
#define portSVC_START_SCHEDULER 0 #define portSVC_START_SCHEDULER 0
#define portSVC_YIELD 1 #define portSVC_YIELD 1
#define portSVC_RAISE_PRIVILEGE 2 #define portSVC_RAISE_PRIVILEGE 2
/* Scheduler utilities. */ /* Scheduler utilities. */
#define portYIELD() __asm{ SVC portSVC_YIELD } #define portYIELD() __asm{ SVC portSVC_YIELD }
#define portYIELD_WITHIN_API() \ #define portYIELD_WITHIN_API() \
{ \ { \
/* Set a PendSV to request a context switch. */ \ /* Set a PendSV to request a context switch. */ \
portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT; \ portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT; \
@ -222,180 +225,190 @@
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#define portNVIC_INT_CTRL_REG ( *( ( volatile uint32_t * ) 0xe000ed04 ) ) #define portNVIC_INT_CTRL_REG ( *( ( volatile uint32_t * ) 0xe000ed04 ) )
#define portNVIC_PENDSVSET_BIT ( 1UL << 28UL ) #define portNVIC_PENDSVSET_BIT ( 1UL << 28UL )
#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT
#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x ) #define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Critical section management. */ /* Critical section management. */
extern void vPortEnterCritical( void ); extern void vPortEnterCritical( void );
extern void vPortExitCritical( void ); extern void vPortExitCritical( void );
#define portDISABLE_INTERRUPTS() vPortRaiseBASEPRI() #define portDISABLE_INTERRUPTS() vPortRaiseBASEPRI()
#define portENABLE_INTERRUPTS() vPortSetBASEPRI( 0 ) #define portENABLE_INTERRUPTS() vPortSetBASEPRI( 0 )
#define portENTER_CRITICAL() vPortEnterCritical() #define portENTER_CRITICAL() vPortEnterCritical()
#define portEXIT_CRITICAL() vPortExitCritical() #define portEXIT_CRITICAL() vPortExitCritical()
#define portSET_INTERRUPT_MASK_FROM_ISR() ulPortRaiseBASEPRI() #define portSET_INTERRUPT_MASK_FROM_ISR() ulPortRaiseBASEPRI()
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( x ) vPortSetBASEPRI( x ) #define portCLEAR_INTERRUPT_MASK_FROM_ISR( x ) vPortSetBASEPRI( x )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Architecture specific optimisations. */ /* Architecture specific optimisations. */
#ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION #ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION
#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1 #define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
#endif #endif
#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1 #if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1
/* Check the configuration. */ /* Check the configuration. */
#if ( configMAX_PRIORITIES > 32 ) #if ( configMAX_PRIORITIES > 32 )
#error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice. #error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice.
#endif #endif
/* Store/clear the ready priorities in a bit map. */ /* Store/clear the ready priorities in a bit map. */
#define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) ) #define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
#define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) ) #define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - ( uint32_t ) __clz( ( uxReadyPriorities ) ) ) #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - ( uint32_t ) __clz( ( uxReadyPriorities ) ) )
#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */ #endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Task function macros as described on the FreeRTOS.org WEB site. These are /* Task function macros as described on the FreeRTOS.org WEB site. These are
* not necessary for to use this port. They are defined so the common demo files * not necessary for to use this port. They are defined so the common demo files
* (which build with all the ports) will build. */ * (which build with all the ports) will build. */
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters ) #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters ) #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#ifdef configASSERT #ifdef configASSERT
void vPortValidateInterruptPriority( void ); void vPortValidateInterruptPriority( void );
#define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() vPortValidateInterruptPriority() #define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() vPortValidateInterruptPriority()
#endif #endif
/* portNOP() is not required by this port. */ /* portNOP() is not required by this port. */
#define portNOP() #define portNOP()
#define portINLINE __inline #define portINLINE __inline
#ifndef portFORCE_INLINE #ifndef portFORCE_INLINE
#define portFORCE_INLINE __forceinline #define portFORCE_INLINE __forceinline
#endif #endif
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
extern BaseType_t xIsPrivileged( void ); extern BaseType_t xIsPrivileged( void );
extern void vResetPrivilege( void ); extern void vResetPrivilege( void );
/** /**
* @brief Checks whether or not the processor is privileged. * @brief Checks whether or not the processor is privileged.
* *
* @return 1 if the processor is already privileged, 0 otherwise. * @return 1 if the processor is already privileged, 0 otherwise.
*/ */
#define portIS_PRIVILEGED() xIsPrivileged() #define portIS_PRIVILEGED() xIsPrivileged()
/** /**
* @brief Raise an SVC request to raise privilege. * @brief Raise an SVC request to raise privilege.
*/ */
#define portRAISE_PRIVILEGE() __asm { svc portSVC_RAISE_PRIVILEGE } #define portRAISE_PRIVILEGE() __asm { svc portSVC_RAISE_PRIVILEGE }
/** /**
* @brief Lowers the privilege level by setting the bit 0 of the CONTROL * @brief Lowers the privilege level by setting the bit 0 of the CONTROL
* register. * register.
*/ */
#define portRESET_PRIVILEGE() vResetPrivilege() #define portRESET_PRIVILEGE() vResetPrivilege()
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
static portFORCE_INLINE void vPortSetBASEPRI( uint32_t ulBASEPRI ) static portFORCE_INLINE void vPortSetBASEPRI( uint32_t ulBASEPRI )
{
__asm
{ {
__asm /* Barrier instructions are not used as this function is only used to
{ * lower the BASEPRI value. */
/* Barrier instructions are not used as this function is only used to /* *INDENT-OFF* */
* lower the BASEPRI value. */ msr basepri, ulBASEPRI
msr basepri, ulBASEPRI /* *INDENT-ON* */
}
} }
}
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
static portFORCE_INLINE void vPortRaiseBASEPRI( void ) static portFORCE_INLINE void vPortRaiseBASEPRI( void )
{
uint32_t ulNewBASEPRI = configMAX_SYSCALL_INTERRUPT_PRIORITY;
__asm
{ {
uint32_t ulNewBASEPRI = configMAX_SYSCALL_INTERRUPT_PRIORITY; /* Set BASEPRI to the max syscall priority to effect a critical
* section. */
__asm /* *INDENT-OFF* */
{ msr basepri, ulNewBASEPRI
/* Set BASEPRI to the max syscall priority to effect a critical dsb
* section. */ isb
msr basepri, ulNewBASEPRI /* *INDENT-ON* */
dsb
isb
}
} }
}
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
static portFORCE_INLINE void vPortClearBASEPRIFromISR( void ) static portFORCE_INLINE void vPortClearBASEPRIFromISR( void )
{
__asm
{ {
__asm /* Set BASEPRI to 0 so no interrupts are masked. This function is only
{ * used to lower the mask in an interrupt, so memory barriers are not
/* Set BASEPRI to 0 so no interrupts are masked. This function is only * used. */
* used to lower the mask in an interrupt, so memory barriers are not /* *INDENT-OFF* */
* used. */ msr basepri, # 0
msr basepri, # 0 /* *INDENT-ON* */
}
} }
}
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
static portFORCE_INLINE uint32_t ulPortRaiseBASEPRI( void ) static portFORCE_INLINE uint32_t ulPortRaiseBASEPRI( void )
{
uint32_t ulReturn, ulNewBASEPRI = configMAX_SYSCALL_INTERRUPT_PRIORITY;
__asm
{ {
uint32_t ulReturn, ulNewBASEPRI = configMAX_SYSCALL_INTERRUPT_PRIORITY; /* Set BASEPRI to the max syscall priority to effect a critical
* section. */
__asm /* *INDENT-OFF* */
{ mrs ulReturn, basepri
/* Set BASEPRI to the max syscall priority to effect a critical msr basepri, ulNewBASEPRI
* section. */ dsb
mrs ulReturn, basepri isb
msr basepri, ulNewBASEPRI /* *INDENT-ON* */
dsb
isb
}
return ulReturn;
} }
return ulReturn;
}
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
static portFORCE_INLINE BaseType_t xPortIsInsideInterrupt( void ) static portFORCE_INLINE BaseType_t xPortIsInsideInterrupt( void )
{
uint32_t ulCurrentInterrupt;
BaseType_t xReturn;
/* Obtain the number of the currently executing interrupt. */
__asm
{ {
uint32_t ulCurrentInterrupt; mrs ulCurrentInterrupt, ipsr
BaseType_t xReturn;
/* Obtain the number of the currently executing interrupt. */
__asm
{
mrs ulCurrentInterrupt, ipsr
}
if( ulCurrentInterrupt == 0 )
{
xReturn = pdFALSE;
}
else
{
xReturn = pdTRUE;
}
return xReturn;
} }
if( ulCurrentInterrupt == 0 )
{
xReturn = pdFALSE;
}
else
{
xReturn = pdTRUE;
}
return xReturn;
}
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#ifndef configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY #ifndef configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY
#warning "configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY is not defined. We recommend defining it to 1 in FreeRTOSConfig.h for better security. https: /*www.freertos.org/FreeRTOS-V10.3.x.html" */ #warning "configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY is not defined. We recommend defining it to 1 in FreeRTOSConfig.h for better security. https: /*www.freertos.org/FreeRTOS-V10.3.x.html" */
#define configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY 0 #define configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY 0
#endif #endif
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#ifdef __cplusplus /* *INDENT-OFF* */
} #ifdef __cplusplus
#endif }
#endif
/* *INDENT-ON* */
#endif /* PORTMACRO_H */ #endif /* PORTMACRO_H */

44
portable/RVDS/ARM_CM7/r0p1/port.c
View file

@ -236,9 +236,10 @@ __asm void vPortSVCHandler( void )
{ {
PRESERVE8 PRESERVE8
/* *INDENT-OFF* */
/* Get the location of the current TCB. */ /* Get the location of the current TCB. */
ldr r3, = pxCurrentTCB ldr r3, =pxCurrentTCB
ldr r1, [ r3 ] ldr r1, [ r3 ]
ldr r0, [ r1 ] ldr r0, [ r1 ]
/* Pop the core registers. */ /* Pop the core registers. */
ldmia r0 !, { ldmia r0 !, {
@ -246,19 +247,21 @@ __asm void vPortSVCHandler( void )
} }
msr psp, r0 msr psp, r0
isb isb
mov r0, # 0 mov r0, #0
msr basepri, r0 msr basepri, r0
bx r14 bx r14
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
__asm void prvStartFirstTask( void ) __asm void prvStartFirstTask( void )
{ {
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
/* Use the NVIC offset register to locate the stack. */ /* Use the NVIC offset register to locate the stack. */
ldr r0, = 0xE000ED08 ldr r0, =0xE000ED08
ldr r0, [ r0 ] ldr r0, [ r0 ]
ldr r0, [ r0 ] ldr r0, [ r0 ]
/* Set the msp back to the start of the stack. */ /* Set the msp back to the start of the stack. */
msr msp, r0 msr msp, r0
@ -267,7 +270,7 @@ __asm void prvStartFirstTask( void )
* before the scheduler was started - which would otherwise result in the * before the scheduler was started - which would otherwise result in the
* unnecessary leaving of space in the SVC stack for lazy saving of FPU * unnecessary leaving of space in the SVC stack for lazy saving of FPU
* registers. */ * registers. */
mov r0, # 0 mov r0, #0
msr control, r0 msr control, r0
/* Globally enable interrupts. */ /* Globally enable interrupts. */
cpsie i cpsie i
@ -277,23 +280,26 @@ __asm void prvStartFirstTask( void )
/* Call SVC to start the first task. */ /* Call SVC to start the first task. */
svc 0 svc 0
nop nop
nop nop
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
__asm void prvEnableVFP( void ) __asm void prvEnableVFP( void )
{ {
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
/* The FPU enable bits are in the CPACR. */ /* The FPU enable bits are in the CPACR. */
ldr.w r0, = 0xE000ED88 ldr.w r0, =0xE000ED88
ldr r1, [ r0 ] ldr r1, [ r0 ]
/* Enable CP10 and CP11 coprocessors, then save back. */ /* Enable CP10 and CP11 coprocessors, then save back. */
orr r1, r1, # ( 0xf << 20 ) orr r1, r1, #( 0xf << 20 )
str r1, [ r0 ] str r1, [ r0 ]
bx r14 bx r14
nop nop
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -438,16 +444,17 @@ __asm void xPortPendSVHandler( void )
extern pxCurrentTCB; extern pxCurrentTCB;
extern vTaskSwitchContext; extern vTaskSwitchContext;
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
mrs r0, psp mrs r0, psp
isb isb
/* Get the location of the current TCB. */ /* Get the location of the current TCB. */
ldr r3, = pxCurrentTCB ldr r3, =pxCurrentTCB
ldr r2, [ r3 ] ldr r2, [ r3 ]
/* Is the task using the FPU context? If so, push high vfp registers. */ /* Is the task using the FPU context? If so, push high vfp registers. */
tst r14, # 0x10 tst r14, #0x10
it eq it eq
vstmdbeq r0 !, { vstmdbeq r0 !, {
s16 - s31 s16 - s31
@ -464,14 +471,14 @@ __asm void xPortPendSVHandler( void )
stmdb sp !, { stmdb sp !, {
r0, r3 r0, r3
} }
mov r0, # configMAX_SYSCALL_INTERRUPT_PRIORITY mov r0, #configMAX_SYSCALL_INTERRUPT_PRIORITY
cpsid i cpsid i
msr basepri, r0 msr basepri, r0
dsb dsb
isb isb
cpsie i cpsie i
bl vTaskSwitchContext bl vTaskSwitchContext
mov r0, # 0 mov r0, #0
msr basepri, r0 msr basepri, r0
ldmia sp !, { ldmia sp !, {
r0, r3 r0, r3
@ -488,14 +495,14 @@ __asm void xPortPendSVHandler( void )
/* Is the task using the FPU context? If so, pop the high vfp registers /* Is the task using the FPU context? If so, pop the high vfp registers
* too. */ * too. */
tst r14, # 0x10 tst r14, #0x10
it eq it eq
vldmiaeq r0 !, { vldmiaeq r0 !, {
s16 - s31 s16 - s31
} }
msr psp, r0 msr psp, r0
isb isb
#ifdef WORKAROUND_PMU_CM001 /* XMC4000 specific errata */ #ifdef WORKAROUND_PMU_CM001 /* XMC4000 specific errata */
#if WORKAROUND_PMU_CM001 == 1 #if WORKAROUND_PMU_CM001 == 1
push { push {
@ -509,6 +516,7 @@ __asm void xPortPendSVHandler( void )
#endif #endif
bx r14 bx r14
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -736,10 +744,12 @@ void xPortSysTickHandler( void )
__asm uint32_t vPortGetIPSR( void ) __asm uint32_t vPortGetIPSR( void )
{ {
/* *INDENT-OFF* */
PRESERVE8 PRESERVE8
mrs r0, ipsr mrs r0, ipsr
bx r14 bx r14
/* *INDENT-ON* */
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/

3
portable/ThirdParty/GCC/ARC_EM_HS/freertos_tls.c vendored
View file

@ -54,7 +54,8 @@
extern void __mw_run_tls_dtor(); extern void __mw_run_tls_dtor();
extern void __mw_run_tls_ctor(); extern void __mw_run_tls_ctor();
extern uint32_t exc_nest_count; extern uint32_t exc_nest_count;
/* /*
* Linker generated symbols to mark .tls section addresses * Linker generated symbols to mark .tls section addresses
* first byte .. last byte * first byte .. last byte

148
portable/ThirdParty/GCC/ARC_EM_HS/portmacro.h vendored
View file

@ -26,16 +26,18 @@
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H
#define PORTMACRO_H #define PORTMACRO_H
#ifdef __cplusplus /* *INDENT-OFF* */
extern "C" { #ifdef __cplusplus
#endif extern "C" {
#endif
/* *INDENT-ON* */
/* record stack high address for stack check */ /* record stack high address for stack check */
#ifndef configRECORD_STACK_HIGH_ADDRESS #ifndef configRECORD_STACK_HIGH_ADDRESS
#define configRECORD_STACK_HIGH_ADDRESS 1 #define configRECORD_STACK_HIGH_ADDRESS 1
#endif #endif
/*----------------------------------------------------------- /*-----------------------------------------------------------
* Port specific definitions. * Port specific definitions.
@ -48,78 +50,78 @@
*/ */
/* Type definitions. */ /* Type definitions. */
#define portCHAR char #define portCHAR char
#define portFLOAT float #define portFLOAT float
#define portDOUBLE double #define portDOUBLE double
#define portLONG long #define portLONG long
#define portSHORT short #define portSHORT short
#define portSTACK_TYPE unsigned int #define portSTACK_TYPE unsigned int
#define portBASE_TYPE portLONG #define portBASE_TYPE portLONG
#ifndef Asm #ifndef Asm
#define Asm __asm__ volatile #define Asm __asm__ volatile
#endif #endif
/* /*
* normal constants * normal constants
*/ */
#ifndef NULL #ifndef NULL
#define NULL 0 /* invalid pointer */ #define NULL 0 /* invalid pointer */
#endif /* NULL */ #endif /* NULL */
#ifndef true #ifndef true
#define true 1 /* true */ #define true 1 /* true */
#endif /* true */ #endif /* true */
#ifndef false #ifndef false
#define false 0 /* false */ #define false 0 /* false */
#endif /* false */ #endif /* false */
typedef portSTACK_TYPE StackType_t; typedef portSTACK_TYPE StackType_t;
typedef long BaseType_t; typedef long BaseType_t;
typedef unsigned long UBaseType_t; typedef unsigned long UBaseType_t;
#if ( configUSE_16_BIT_TICKS == 1 ) #if ( configUSE_16_BIT_TICKS == 1 )
typedef uint16_t TickType_t; typedef uint16_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffff #define portMAX_DELAY ( TickType_t ) 0xffff
#else #else
typedef unsigned int TickType_t; typedef unsigned int TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
#endif #endif
#define portNO_CRITICAL_NESTING ( ( uint32_t ) 0 ) #define portNO_CRITICAL_NESTING ( ( uint32_t ) 0 )
#define portSTACK_GROWTH ( -1 ) #define portSTACK_GROWTH ( -1 )
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 8 #define portBYTE_ALIGNMENT 8
#define portNOP() Asm( "nop_s" ); #define portNOP() Asm( "nop_s" );
#define IPM_ENABLE_ALL 1 #define IPM_ENABLE_ALL 1
#define portYIELD_FROM_ISR() vPortYieldFromIsr() #define portYIELD_FROM_ISR() vPortYieldFromIsr()
#define portYIELD() vPortYield() #define portYIELD() vPortYield()
/* Critical section management. */ /* Critical section management. */
#define portDISABLE_INTERRUPTS() \ #define portDISABLE_INTERRUPTS() \
{ \ { \
Asm( "clri" ); \ Asm( "clri" ); \
Asm( "" ::: "memory" ); \ Asm( "" ::: "memory" ); \
} \ } \
#define portENABLE_INTERRUPTS() \ #define portENABLE_INTERRUPTS() \
{ \ { \
Asm( "" ::: "memory" ); \ Asm( "" ::: "memory" ); \
Asm( "seti" ); \ Asm( "seti" ); \
} \ } \
extern volatile unsigned int ulCriticalNesting; extern volatile unsigned int ulCriticalNesting;
#define portENTER_CRITICAL() \ #define portENTER_CRITICAL() \
{ \ { \
portDISABLE_INTERRUPTS() \ portDISABLE_INTERRUPTS() \
ulCriticalNesting++; \ ulCriticalNesting++; \
} }
#define portEXIT_CRITICAL() \ #define portEXIT_CRITICAL() \
{ \ { \
if( ulCriticalNesting > portNO_CRITICAL_NESTING ) \ if( ulCriticalNesting > portNO_CRITICAL_NESTING ) \
{ \ { \
@ -132,24 +134,26 @@
} }
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters ) #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters ) #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
#define portCONFIGURE_TIMER_FOR_RUN_TIME_STATS() do {} while( 0 ) /* we use the timer */ #define portCONFIGURE_TIMER_FOR_RUN_TIME_STATS() do {} while( 0 ) /* we use the timer */
#define portALT_GET_RUN_TIME_COUNTER_VALUE( dest ) ( dest = xTickCount ) #define portALT_GET_RUN_TIME_COUNTER_VALUE( dest ) ( dest = xTickCount )
#if defined( __MW__ ) #if defined( __MW__ )
extern void task_end_hook( void * pxTCB ); extern void task_end_hook( void * pxTCB );
#define portCLEAN_UP_TCB( pxTCB ) task_end_hook( ( void * ) pxTCB ) #define portCLEAN_UP_TCB( pxTCB ) task_end_hook( ( void * ) pxTCB )
#else #else
#define portCLEAN_UP_TCB( pxTCB ) ( void ) pxTCB #define portCLEAN_UP_TCB( pxTCB ) ( void ) pxTCB
#endif #endif
void vPortYield( void ); void vPortYield( void );
void vPortYieldFromIsr( void ); void vPortYieldFromIsr( void );
#ifdef __cplusplus /* *INDENT-OFF* */
} #ifdef __cplusplus
#endif }
#endif
/* *INDENT-ON* */
#endif /* PORTMACRO_H */ #endif /* PORTMACRO_H */

502
portable/ThirdParty/GCC/Xtensa_ESP32/include/portmacro.h vendored
View file

@ -64,26 +64,28 @@
*/ */
#ifndef PORTMACRO_H #ifndef PORTMACRO_H
#define PORTMACRO_H #define PORTMACRO_H
#ifdef __cplusplus /* *INDENT-OFF* */
extern "C" { #ifdef __cplusplus
#endif extern "C" {
#endif
/* *INDENT-ON* */
#ifndef __ASSEMBLER__ #ifndef __ASSEMBLER__
#include <stdint.h> #include <stdint.h>
#include <xtensa/hal.h> #include <xtensa/hal.h>
#include <xtensa/config/core.h> #include <xtensa/config/core.h>
#include <xtensa/config/system.h> /* required for XSHAL_CLIB */ #include <xtensa/config/system.h> /* required for XSHAL_CLIB */
#include <xtensa/xtruntime.h> #include <xtensa/xtruntime.h>
#include "esp_timer.h" /* required for FreeRTOS run time stats */ #include "esp_timer.h" /* required for FreeRTOS run time stats */
#include "esp_system.h" #include "esp_system.h"
#include <esp_heap_caps.h> #include <esp_heap_caps.h>
#include "soc/soc_memory_layout.h" #include "soc/soc_memory_layout.h"
/*#include "xtensa_context.h" */ /*#include "xtensa_context.h" */
@ -99,84 +101,84 @@
/* Type definitions. */ /* Type definitions. */
#define portCHAR int8_t #define portCHAR int8_t
#define portFLOAT float #define portFLOAT float
#define portDOUBLE double #define portDOUBLE double
#define portLONG int32_t #define portLONG int32_t
#define portSHORT int16_t #define portSHORT int16_t
#define portSTACK_TYPE uint8_t #define portSTACK_TYPE uint8_t
#define portBASE_TYPE int #define portBASE_TYPE int
typedef portSTACK_TYPE StackType_t; typedef portSTACK_TYPE StackType_t;
typedef portBASE_TYPE BaseType_t; typedef portBASE_TYPE BaseType_t;
typedef unsigned portBASE_TYPE UBaseType_t; typedef unsigned portBASE_TYPE UBaseType_t;
#if ( configUSE_16_BIT_TICKS == 1 ) #if ( configUSE_16_BIT_TICKS == 1 )
typedef uint16_t TickType_t; typedef uint16_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffff #define portMAX_DELAY ( TickType_t ) 0xffff
#else #else
typedef uint32_t TickType_t; typedef uint32_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
#endif #endif
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* portbenchmark */ /* portbenchmark */
#include "portbenchmark.h" #include "portbenchmark.h"
#include "sdkconfig.h" #include "sdkconfig.h"
#include "esp_attr.h" #include "esp_attr.h"
/* "mux" data structure (spinlock) */ /* "mux" data structure (spinlock) */
typedef struct typedef struct
{ {
/* owner field values: /* owner field values:
* 0 - Uninitialized (invalid) * 0 - Uninitialized (invalid)
* portMUX_FREE_VAL - Mux is free, can be locked by either CPU * portMUX_FREE_VAL - Mux is free, can be locked by either CPU
* CORE_ID_PRO / CORE_ID_APP - Mux is locked to the particular core * CORE_ID_PRO / CORE_ID_APP - Mux is locked to the particular core
* *
* Any value other than portMUX_FREE_VAL, CORE_ID_PRO, CORE_ID_APP indicates corruption * Any value other than portMUX_FREE_VAL, CORE_ID_PRO, CORE_ID_APP indicates corruption
*/ */
uint32_t owner; uint32_t owner;
/* count field: /* count field:
* If mux is unlocked, count should be zero. * If mux is unlocked, count should be zero.
* If mux is locked, count is non-zero & represents the number of recursive locks on the mux. * If mux is locked, count is non-zero & represents the number of recursive locks on the mux.
*/ */
uint32_t count; uint32_t count;
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG #ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
const char * lastLockedFn; const char * lastLockedFn;
int lastLockedLine; int lastLockedLine;
#endif #endif
} portMUX_TYPE; } portMUX_TYPE;
#define portMUX_FREE_VAL 0xB33FFFFF #define portMUX_FREE_VAL 0xB33FFFFF
/* Special constants for vPortCPUAcquireMutexTimeout() */ /* Special constants for vPortCPUAcquireMutexTimeout() */
#define portMUX_NO_TIMEOUT ( -1 ) /* When passed for 'timeout_cycles', spin forever if necessary */ #define portMUX_NO_TIMEOUT ( -1 ) /* When passed for 'timeout_cycles', spin forever if necessary */
#define portMUX_TRY_LOCK 0 /* Try to acquire the spinlock a single time only */ #define portMUX_TRY_LOCK 0 /* Try to acquire the spinlock a single time only */
/* Keep this in sync with the portMUX_TYPE struct definition please. */ /* Keep this in sync with the portMUX_TYPE struct definition please. */
#ifndef CONFIG_FREERTOS_PORTMUX_DEBUG #ifndef CONFIG_FREERTOS_PORTMUX_DEBUG
#define portMUX_INITIALIZER_UNLOCKED \ #define portMUX_INITIALIZER_UNLOCKED \
{ \ { \
.owner = portMUX_FREE_VAL, \ .owner = portMUX_FREE_VAL, \
.count = 0, \ .count = 0, \
} }
#else #else
#define portMUX_INITIALIZER_UNLOCKED \ #define portMUX_INITIALIZER_UNLOCKED \
{ \ { \
.owner = portMUX_FREE_VAL, \ .owner = portMUX_FREE_VAL, \
.count = 0, \ .count = 0, \
.lastLockedFn = "(never locked)", \ .lastLockedFn = "(never locked)", \
.lastLockedLine = -1 \ .lastLockedLine = -1 \
} }
#endif /* ifndef CONFIG_FREERTOS_PORTMUX_DEBUG */ #endif /* ifndef CONFIG_FREERTOS_PORTMUX_DEBUG */
#define portASSERT_IF_IN_ISR() vPortAssertIfInISR() #define portASSERT_IF_IN_ISR() vPortAssertIfInISR()
void vPortAssertIfInISR(); void vPortAssertIfInISR();
#define portCRITICAL_NESTING_IN_TCB 1 #define portCRITICAL_NESTING_IN_TCB 1
/* /*
* Modifications to portENTER_CRITICAL. * Modifications to portENTER_CRITICAL.
@ -204,17 +206,17 @@
* that either function can be called both from ISR as well as task context. This is not standard FreeRTOS * that either function can be called both from ISR as well as task context. This is not standard FreeRTOS
* behaviour; please keep this in mind if you need any compatibility with other FreeRTOS implementations. * behaviour; please keep this in mind if you need any compatibility with other FreeRTOS implementations.
*/ */
void vPortCPUInitializeMutex( portMUX_TYPE * mux ); void vPortCPUInitializeMutex( portMUX_TYPE * mux );
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG #ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
#error CONFIG_FREERTOS_PORTMUX_DEBUG not supported in Amazon FreeRTOS #error CONFIG_FREERTOS_PORTMUX_DEBUG not supported in Amazon FreeRTOS
#endif #endif
void vTaskExitCritical(); void vTaskExitCritical();
void vTaskEnterCritical(); void vTaskEnterCritical();
static inline void vPortConsumeSpinlockArg( int unused, static inline void vPortConsumeSpinlockArg( int unused,
... ) ... )
{ {
} }
/** @brief Acquire a portmux spinlock with a timeout /** @brief Acquire a portmux spinlock with a timeout
* *
@ -224,35 +226,35 @@
* *
* @return true if mutex is successfully acquired, false on timeout. * @return true if mutex is successfully acquired, false on timeout.
*/ */
bool vPortCPUAcquireMutexTimeout( portMUX_TYPE * mux, bool vPortCPUAcquireMutexTimeout( portMUX_TYPE * mux,
int timeout_cycles ); int timeout_cycles );
void vPortCPUReleaseMutex( portMUX_TYPE * mux ); void vPortCPUReleaseMutex( portMUX_TYPE * mux );
#define portENTER_CRITICAL( ... ) do { vTaskEnterCritical(); vPortConsumeSpinlockArg( 0, ## __VA_ARGS__ ); } while( 0 ) #define portENTER_CRITICAL( ... ) do { vTaskEnterCritical(); vPortConsumeSpinlockArg( 0, ## __VA_ARGS__ ); } while( 0 )
#define portEXIT_CRITICAL( ... ) do { vTaskExitCritical(); vPortConsumeSpinlockArg( 0, ## __VA_ARGS__ ); } while( 0 ) #define portEXIT_CRITICAL( ... ) do { vTaskExitCritical(); vPortConsumeSpinlockArg( 0, ## __VA_ARGS__ ); } while( 0 )
#define portENTER_CRITICAL_ISR( mux ) vPortCPUAcquireMutexTimeout( mux, portMUX_NO_TIMEOUT ) #define portENTER_CRITICAL_ISR( mux ) vPortCPUAcquireMutexTimeout( mux, portMUX_NO_TIMEOUT )
#define portEXIT_CRITICAL_ISR( mux ) vPortCPUReleaseMutex( mux ) #define portEXIT_CRITICAL_ISR( mux ) vPortCPUReleaseMutex( mux )
#define portENTER_CRITICAL_SAFE( mux ) \ #define portENTER_CRITICAL_SAFE( mux ) \
do { \ do { \
if( xPortInIsrContext() ) { \ if( xPortInIsrContext() ) { \
portENTER_CRITICAL_ISR( mux ); \ portENTER_CRITICAL_ISR( mux ); \
} \ } \
else { \ else { \
portENTER_CRITICAL( mux ); \ portENTER_CRITICAL( mux ); \
} \ } \
} while( 0 ) } while( 0 )
#define portEXIT_CRITICAL_SAFE( mux ) \ #define portEXIT_CRITICAL_SAFE( mux ) \
do { \ do { \
if( xPortInIsrContext() ) { \ if( xPortInIsrContext() ) { \
portEXIT_CRITICAL_ISR( mux ); \ portEXIT_CRITICAL_ISR( mux ); \
} \ } \
else { \ else { \
portEXIT_CRITICAL( mux ); \ portEXIT_CRITICAL( mux ); \
} \ } \
} while( 0 ) } while( 0 )
@ -260,37 +262,37 @@
/* These cannot be nested. They should be used with a lot of care and cannot be called from interrupt level. */ /* These cannot be nested. They should be used with a lot of care and cannot be called from interrupt level. */
/* */ /* */
/* Only applies to one CPU. See notes above & below for reasons not to use these. */ /* Only applies to one CPU. See notes above & below for reasons not to use these. */
#define portDISABLE_INTERRUPTS() do { XTOS_SET_INTLEVEL( XCHAL_EXCM_LEVEL ); portbenchmarkINTERRUPT_DISABLE(); } while( 0 ) #define portDISABLE_INTERRUPTS() do { XTOS_SET_INTLEVEL( XCHAL_EXCM_LEVEL ); portbenchmarkINTERRUPT_DISABLE(); } while( 0 )
#define portENABLE_INTERRUPTS() do { portbenchmarkINTERRUPT_RESTORE( 0 ); XTOS_SET_INTLEVEL( 0 ); } while( 0 ) #define portENABLE_INTERRUPTS() do { portbenchmarkINTERRUPT_RESTORE( 0 ); XTOS_SET_INTLEVEL( 0 ); } while( 0 )
/* Cleaner solution allows nested interrupts disabling and restoring via local registers or stack. */ /* Cleaner solution allows nested interrupts disabling and restoring via local registers or stack. */
/* They can be called from interrupts too. */ /* They can be called from interrupts too. */
/* WARNING: Only applies to current CPU. See notes above. */ /* WARNING: Only applies to current CPU. See notes above. */
static inline unsigned portENTER_CRITICAL_NESTED() static inline unsigned portENTER_CRITICAL_NESTED()
{ {
unsigned state = XTOS_SET_INTLEVEL( XCHAL_EXCM_LEVEL ); unsigned state = XTOS_SET_INTLEVEL( XCHAL_EXCM_LEVEL );
portbenchmarkINTERRUPT_DISABLE(); portbenchmarkINTERRUPT_DISABLE();
return state; return state;
} }
#define portEXIT_CRITICAL_NESTED( state ) do { portbenchmarkINTERRUPT_RESTORE( state ); XTOS_RESTORE_JUST_INTLEVEL( state ); } while( 0 ) #define portEXIT_CRITICAL_NESTED( state ) do { portbenchmarkINTERRUPT_RESTORE( state ); XTOS_RESTORE_JUST_INTLEVEL( state ); } while( 0 )
/* These FreeRTOS versions are similar to the nested versions above */ /* These FreeRTOS versions are similar to the nested versions above */
#define portSET_INTERRUPT_MASK_FROM_ISR() portENTER_CRITICAL_NESTED() #define portSET_INTERRUPT_MASK_FROM_ISR() portENTER_CRITICAL_NESTED()
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( state ) portEXIT_CRITICAL_NESTED( state ) #define portCLEAR_INTERRUPT_MASK_FROM_ISR( state ) portEXIT_CRITICAL_NESTED( state )
/*Because the ROM routines don't necessarily handle a stack in external RAM correctly, we force */ /*Because the ROM routines don't necessarily handle a stack in external RAM correctly, we force */
/*the stack memory to always be internal. */ /*the stack memory to always be internal. */
#define pvPortMallocTcbMem( size ) heap_caps_malloc( size, MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT ) #define pvPortMallocTcbMem( size ) heap_caps_malloc( size, MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT )
#define pvPortMallocStackMem( size ) heap_caps_malloc( size, MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT ) #define pvPortMallocStackMem( size ) heap_caps_malloc( size, MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT )
/*xTaskCreateStatic uses these functions to check incoming memory. */ /*xTaskCreateStatic uses these functions to check incoming memory. */
#define portVALID_TCB_MEM( ptr ) ( esp_ptr_internal( ptr ) && esp_ptr_byte_accessible( ptr ) ) #define portVALID_TCB_MEM( ptr ) ( esp_ptr_internal( ptr ) && esp_ptr_byte_accessible( ptr ) )
#ifdef CONFIG_SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY #ifdef CONFIG_SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY
#define portVALID_STACK_MEM( ptr ) esp_ptr_byte_accessible( ptr ) #define portVALID_STACK_MEM( ptr ) esp_ptr_byte_accessible( ptr )
#else #else
#define portVALID_STACK_MEM( ptr ) ( esp_ptr_internal( ptr ) && esp_ptr_byte_accessible( ptr ) ) #define portVALID_STACK_MEM( ptr ) ( esp_ptr_internal( ptr ) && esp_ptr_byte_accessible( ptr ) )
#endif #endif
/* /*
* Wrapper for the Xtensa compare-and-set instruction. This subroutine will atomically compare * Wrapper for the Xtensa compare-and-set instruction. This subroutine will atomically compare
@ -301,118 +303,118 @@
* *bitwise inverse* of the old mem if the mem wasn't written. This doesn't seem to happen on the * *bitwise inverse* of the old mem if the mem wasn't written. This doesn't seem to happen on the
* ESP32 (portMUX assertions would fail). * ESP32 (portMUX assertions would fail).
*/ */
static inline void uxPortCompareSet( volatile uint32_t * addr, static inline void uxPortCompareSet( volatile uint32_t * addr,
uint32_t compare, uint32_t compare,
uint32_t * set ) uint32_t * set )
{ {
#if ( XCHAL_HAVE_S32C1I > 0 ) #if ( XCHAL_HAVE_S32C1I > 0 )
__asm__ __volatile__ ( __asm__ __volatile__ (
"WSR %2,SCOMPARE1 \n" "WSR %2,SCOMPARE1 \n"
"S32C1I %0, %1, 0 \n" "S32C1I %0, %1, 0 \n"
: "=r" ( *set ) : "=r" ( *set )
: "r" ( addr ), "r" ( compare ), "0" ( *set ) : "r" ( addr ), "r" ( compare ), "0" ( *set )
); );
#else #else
/* No S32C1I, so do this by disabling and re-enabling interrupts (slower) */ /* No S32C1I, so do this by disabling and re-enabling interrupts (slower) */
uint32_t intlevel, old_value; uint32_t intlevel, old_value;
__asm__ __volatile__ ( "rsil %0, " XTSTR( XCHAL_EXCM_LEVEL ) "\n" __asm__ __volatile__ ( "rsil %0, " XTSTR( XCHAL_EXCM_LEVEL ) "\n"
: "=r" ( intlevel ) ); : "=r" ( intlevel ) );
old_value = *addr; old_value = *addr;
if( old_value == compare ) if( old_value == compare )
{ {
*addr = *set; *addr = *set;
} }
__asm__ __volatile__ ( "memw \n" __asm__ __volatile__ ( "memw \n"
"wsr %0, ps\n" "wsr %0, ps\n"
: : "r" ( intlevel ) ); : : "r" ( intlevel ) );
*set = old_value; *set = old_value;
#endif /* if ( XCHAL_HAVE_S32C1I > 0 ) */ #endif /* if ( XCHAL_HAVE_S32C1I > 0 ) */
} }
void uxPortCompareSetExtram( volatile uint32_t * addr, void uxPortCompareSetExtram( volatile uint32_t * addr,
uint32_t compare, uint32_t compare,
uint32_t * set ); uint32_t * set );
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Architecture specifics. */ /* Architecture specifics. */
#define portSTACK_GROWTH ( -1 ) #define portSTACK_GROWTH ( -1 )
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 4 #define portBYTE_ALIGNMENT 4
#define portNOP() XT_NOP() #define portNOP() XT_NOP()
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Fine resolution time */ /* Fine resolution time */
#define portGET_RUN_TIME_COUNTER_VALUE() xthal_get_ccount() #define portGET_RUN_TIME_COUNTER_VALUE() xthal_get_ccount()
/*ccount or esp_timer are initialized elsewhere */ /*ccount or esp_timer are initialized elsewhere */
#define portCONFIGURE_TIMER_FOR_RUN_TIME_STATS() #define portCONFIGURE_TIMER_FOR_RUN_TIME_STATS()
#ifdef CONFIG_FREERTOS_RUN_TIME_STATS_USING_ESP_TIMER #ifdef CONFIG_FREERTOS_RUN_TIME_STATS_USING_ESP_TIMER
/* Coarse resolution time (us) */ /* Coarse resolution time (us) */
#define portALT_GET_RUN_TIME_COUNTER_VALUE( x ) x = ( uint32_t ) esp_timer_get_time() #define portALT_GET_RUN_TIME_COUNTER_VALUE( x ) x = ( uint32_t ) esp_timer_get_time()
#endif #endif
/* Kernel utilities. */ /* Kernel utilities. */
void vPortYield( void ); void vPortYield( void );
void _frxt_setup_switch( void ); void _frxt_setup_switch( void );
#define portYIELD() vPortYield() #define portYIELD() vPortYield()
#define portYIELD_FROM_ISR() { traceISR_EXIT_TO_SCHEDULER(); _frxt_setup_switch(); } #define portYIELD_FROM_ISR() { traceISR_EXIT_TO_SCHEDULER(); _frxt_setup_switch(); }
static inline uint32_t xPortGetCoreID(); static inline uint32_t xPortGetCoreID();
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Task function macros as described on the FreeRTOS.org WEB site. */ /* Task function macros as described on the FreeRTOS.org WEB site. */
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters ) #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters ) #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
/* When coprocessors are defined, we to maintain a pointer to coprocessors area. */ /* When coprocessors are defined, we to maintain a pointer to coprocessors area. */
/* We currently use a hack: redefine field xMPU_SETTINGS in TCB block as a structure that can hold: */ /* We currently use a hack: redefine field xMPU_SETTINGS in TCB block as a structure that can hold: */
/* MPU wrappers, coprocessor area pointer, trace code structure, and more if needed. */ /* MPU wrappers, coprocessor area pointer, trace code structure, and more if needed. */
/* The field is normally used for memory protection. FreeRTOS should create another general purpose field. */ /* The field is normally used for memory protection. FreeRTOS should create another general purpose field. */
typedef struct typedef struct
{ {
#if XCHAL_CP_NUM > 0 #if XCHAL_CP_NUM > 0
volatile StackType_t * coproc_area; /* Pointer to coprocessor save area; MUST BE FIRST */ volatile StackType_t * coproc_area; /* Pointer to coprocessor save area; MUST BE FIRST */
#endif
#if portUSING_MPU_WRAPPERS
/* Define here mpu_settings, which is port dependent */
int mpu_setting; /* Just a dummy example here; MPU not ported to Xtensa yet */
#endif
#if configUSE_TRACE_FACILITY_2
struct
{
/* Cf. porttraceStamp() */
int taskstamp; /* Stamp from inside task to see where we are */
int taskstampcount; /* A counter usually incremented when we restart the task's loop */
} porttrace;
#endif
} xMPU_SETTINGS;
/* Main hack to use MPU_wrappers even when no MPU is defined (warning: mpu_setting should not be accessed; otherwise move this above xMPU_SETTINGS) */
#if ( XCHAL_CP_NUM > 0 || configUSE_TRACE_FACILITY_2 ) && !portUSING_MPU_WRAPPERS /* If MPU wrappers not used, we still need to allocate coproc area */
#undef portUSING_MPU_WRAPPERS
#define portUSING_MPU_WRAPPERS 1 /* Enable it to allocate coproc area */
#define MPU_WRAPPERS_H /* Override mpu_wrapper.h to disable unwanted code */
#define PRIVILEGED_FUNCTION
#define PRIVILEGED_DATA
#endif #endif
bool vApplicationSleep( TickType_t xExpectedIdleTime ); #if portUSING_MPU_WRAPPERS
/* Define here mpu_settings, which is port dependent */
int mpu_setting; /* Just a dummy example here; MPU not ported to Xtensa yet */
#endif
#define portSUPPRESS_TICKS_AND_SLEEP( idleTime ) vApplicationSleep( idleTime ) #if configUSE_TRACE_FACILITY_2
struct
{
/* Cf. porttraceStamp() */
int taskstamp; /* Stamp from inside task to see where we are */
int taskstampcount; /* A counter usually incremented when we restart the task's loop */
} porttrace;
#endif
} xMPU_SETTINGS;
/* Main hack to use MPU_wrappers even when no MPU is defined (warning: mpu_setting should not be accessed; otherwise move this above xMPU_SETTINGS) */
#if ( XCHAL_CP_NUM > 0 || configUSE_TRACE_FACILITY_2 ) && !portUSING_MPU_WRAPPERS /* If MPU wrappers not used, we still need to allocate coproc area */
#undef portUSING_MPU_WRAPPERS
#define portUSING_MPU_WRAPPERS 1 /* Enable it to allocate coproc area */
#define MPU_WRAPPERS_H /* Override mpu_wrapper.h to disable unwanted code */
#define PRIVILEGED_FUNCTION
#define PRIVILEGED_DATA
#endif
bool vApplicationSleep( TickType_t xExpectedIdleTime );
#define portSUPPRESS_TICKS_AND_SLEEP( idleTime ) vApplicationSleep( idleTime )
void _xt_coproc_release( volatile void * coproc_sa_base ); void _xt_coproc_release( volatile void * coproc_sa_base );
/* /*
@ -422,29 +424,29 @@
* non-FreeRTOS-specific code, and behave the same as * non-FreeRTOS-specific code, and behave the same as
* pvPortMalloc()/vPortFree(). * pvPortMalloc()/vPortFree().
*/ */
#define pvPortMalloc heap_caps_malloc_default #define pvPortMalloc heap_caps_malloc_default
#define vPortFree heap_caps_free #define vPortFree heap_caps_free
#define xPortGetFreeHeapSize esp_get_free_heap_size #define xPortGetFreeHeapSize esp_get_free_heap_size
#define xPortGetMinimumEverFreeHeapSize esp_get_minimum_free_heap_size #define xPortGetMinimumEverFreeHeapSize esp_get_minimum_free_heap_size
/* /*
* Callback to set a watchpoint on the end of the stack. Called every context switch to change the stack * Callback to set a watchpoint on the end of the stack. Called every context switch to change the stack
* watchpoint around. * watchpoint around.
*/ */
void vPortSetStackWatchpoint( void * pxStackStart ); void vPortSetStackWatchpoint( void * pxStackStart );
/* /*
* Returns true if the current core is in ISR context; low prio ISR, med prio ISR or timer tick ISR. High prio ISRs * Returns true if the current core is in ISR context; low prio ISR, med prio ISR or timer tick ISR. High prio ISRs
* aren't detected here, but they normally cannot call C code, so that should not be an issue anyway. * aren't detected here, but they normally cannot call C code, so that should not be an issue anyway.
*/ */
BaseType_t xPortInIsrContext(); BaseType_t xPortInIsrContext();
/* /*
* This function will be called in High prio ISRs. Returns true if the current core was in ISR context * This function will be called in High prio ISRs. Returns true if the current core was in ISR context
* before calling into high prio ISR context. * before calling into high prio ISR context.
*/ */
BaseType_t xPortInterruptedFromISRContext(); BaseType_t xPortInterruptedFromISRContext();
/* /*
* The structures and methods of manipulating the MPU are contained within the * The structures and methods of manipulating the MPU are contained within the
@ -453,46 +455,48 @@
* Fills the xMPUSettings structure with the memory region information * Fills the xMPUSettings structure with the memory region information
* contained in xRegions. * contained in xRegions.
*/ */
#if ( portUSING_MPU_WRAPPERS == 1 ) #if ( portUSING_MPU_WRAPPERS == 1 )
struct xMEMORY_REGION; struct xMEMORY_REGION;
void vPortStoreTaskMPUSettings( xMPU_SETTINGS * xMPUSettings, void vPortStoreTaskMPUSettings( xMPU_SETTINGS * xMPUSettings,
const struct xMEMORY_REGION * const xRegions, const struct xMEMORY_REGION * const xRegions,
StackType_t * pxBottomOfStack, StackType_t * pxBottomOfStack,
uint32_t usStackDepth ) PRIVILEGED_FUNCTION; uint32_t usStackDepth ) PRIVILEGED_FUNCTION;
void vPortReleaseTaskMPUSettings( xMPU_SETTINGS * xMPUSettings ); void vPortReleaseTaskMPUSettings( xMPU_SETTINGS * xMPUSettings );
#endif
/* Multi-core: get current core ID */
static inline uint32_t IRAM_ATTR xPortGetCoreID()
{
int id;
asm (
"rsr.prid %0\n"
" extui %0,%0,13,1"
: "=r" ( id ) );
return id;
}
/* Get tick rate per second */
uint32_t xPortGetTickRateHz( void );
/* porttrace */
#if configUSE_TRACE_FACILITY_2
#include "porttrace.h"
#endif
/* configASSERT_2 if requested */
#if configASSERT_2
#include <stdio.h>
void exit( int );
#define configASSERT( x ) if( !( x ) ) { porttracePrint( -1 ); printf( "\nAssertion failed in %s:%d\n", __FILE__, __LINE__ ); exit( -1 ); }
#endif
#endif // __ASSEMBLER__
#ifdef __cplusplus
}
#endif #endif
/* Multi-core: get current core ID */
static inline uint32_t IRAM_ATTR xPortGetCoreID()
{
int id;
asm (
"rsr.prid %0\n"
" extui %0,%0,13,1"
: "=r" ( id ) );
return id;
}
/* Get tick rate per second */
uint32_t xPortGetTickRateHz( void );
/* porttrace */
#if configUSE_TRACE_FACILITY_2
#include "porttrace.h"
#endif
/* configASSERT_2 if requested */
#if configASSERT_2
#include <stdio.h>
void exit( int );
#define configASSERT( x ) if( !( x ) ) { porttracePrint( -1 ); printf( "\nAssertion failed in %s:%d\n", __FILE__, __LINE__ ); exit( -1 ); }
#endif
#endif // __ASSEMBLER__
/* *INDENT-OFF* */
#ifdef __cplusplus
}
#endif
/* *INDENT-ON* */
#endif /* PORTMACRO_H */ #endif /* PORTMACRO_H */