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Alfred Gedeon 2020-07-01 22:27:40 -07:00 • committed by alfred gedeon
parent a5dbc2b1de
commit 718178c68a
406 changed files with 108795 additions and 106323 deletions
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38
portable/Softune/MB91460/__STD_LIB_sbrk.c
View file

@ -1,23 +1,25 @@
#include "FreeRTOSConfig.h"
#include <stdlib.h>
static long brk_siz = 0;
// #if configTOTAL_HEAP_SIZE != 0
typedef int _heep_t;
#define ROUNDUP(s) (((s)+sizeof(_heep_t)-1)&~(sizeof(_heep_t)-1))
static _heep_t _heep[ROUNDUP(configTOTAL_HEAP_SIZE)/sizeof(_heep_t)];
#define _heep_size ROUNDUP(configTOTAL_HEAP_SIZE)
static long brk_siz = 0;
/* #if configTOTAL_HEAP_SIZE != 0 */
typedef int _heep_t;
#define ROUNDUP( s ) ( ( ( s ) + sizeof( _heep_t ) - 1 ) & ~( sizeof( _heep_t ) - 1 ) )
static _heep_t _heep[ ROUNDUP( configTOTAL_HEAP_SIZE ) / sizeof( _heep_t ) ];
#define _heep_size ROUNDUP( configTOTAL_HEAP_SIZE )
/* #else
extern char *_heep;
extern long _heep_size;
#endif
*/
extern char *sbrk(int size)
{
if (brk_siz + size > _heep_size || brk_siz + size < 0)
return((char*)-1);
brk_siz += size;
return( (char*)_heep + brk_siz - size);
}
* extern char *_heep;
* extern long _heep_size;
#endif
*/
extern char * sbrk( int size )
{
if( ( brk_siz + size > _heep_size ) || ( brk_siz + size < 0 ) )
{
return( ( char * ) -1 );
}
brk_siz += size;
return( ( char * ) _heep + brk_siz - size );
}

259
portable/Softune/MB91460/port.c
View file

@ -31,12 +31,12 @@
/*-----------------------------------------------------------*/
/* We require the address of the pxCurrentTCB variable, but don't want to know
any details of its type. */
* any details of its type. */
typedef void TCB_t;
extern volatile TCB_t * volatile pxCurrentTCB;
/*-----------------------------------------------------------*/
#pragma asm
#macro SaveContext
ORCCR #0x20 ;Switch to user stack
@ -45,21 +45,21 @@ extern volatile TCB_t * volatile pxCurrentTCB;
STM1 (R14,R13,R12,R11,R10,R9,R8) ;Store R14-R8
ST MDH, @-R15 ;Store MDH
ST MDL, @-R15 ;Store MDL
ANDCCR #0xDF ;Switch back to system stack
LD @R15+,R0 ;Store PC to R0
ORCCR #0x20 ;Switch to user stack
ST R0,@-R15 ;Store PC to User stack
ANDCCR #0xDF ;Switch back to system stack
LD @R15+,R0 ;Store PS to R0
ORCCR #0x20 ;Switch to user stack
ST R0,@-R15 ;Store PS to User stack
LDI #_pxCurrentTCB, R0 ;Get pxCurrentTCB address
LD @R0, R0 ;Get the pxCurrentTCB->pxTopOfStack address
ST R15,@R0 ;Store USP to pxCurrentTCB->pxTopOfStack
ANDCCR #0xDF ;Switch back to system stack for the rest of tick ISR
#endm
@ -85,7 +85,7 @@ extern volatile TCB_t * volatile pxCurrentTCB;
LDM1 (R14,R13,R12,R11,R10,R9,R8) ;Restore R14-R8
LDM0 (R7,R6,R5,R4,R3,R2,R1,R0) ;Restore R7-R0
LD @R15+, RP ;Restore RP
ANDCCR #0xDF ;Switch back to system stack for the rest of tick ISR
#endm
#pragma endasm
@ -98,140 +98,142 @@ extern volatile TCB_t * volatile pxCurrentTCB;
static void prvSetupTimerInterrupt( void );
/*-----------------------------------------------------------*/
/*
* Initialise the stack of a task to look exactly as if a call to
/*
* Initialise the stack of a task to look exactly as if a call to
* portSAVE_CONTEXT had been called.
*
*
* See the header file portable.h.
*/
StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
TaskFunction_t pxCode,
void * pvParameters )
{
/* Place a few bytes of known values on the bottom of the stack.
This is just useful for debugging. */
/* Place a few bytes of known values on the bottom of the stack.
* This is just useful for debugging. */
*pxTopOfStack = 0x11111111;
pxTopOfStack--;
*pxTopOfStack = 0x22222222;
pxTopOfStack--;
*pxTopOfStack = 0x33333333;
pxTopOfStack--;
*pxTopOfStack = 0x11111111;
pxTopOfStack--;
*pxTopOfStack = 0x22222222;
pxTopOfStack--;
*pxTopOfStack = 0x33333333;
pxTopOfStack--;
/* This is a redundant push to the stack, it may be required if
in some implementations of the compiler the parameter to the task
is passed on to the stack rather than in R4 register. */
*pxTopOfStack = (StackType_t)(pvParameters);
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00000000; /* RP */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00007777; /* R7 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00006666; /* R6 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00005555; /* R5 */
pxTopOfStack--;
/* In the current implementation of the compiler the first
parameter to the task (or function) is passed via R4 parameter
to the task, hence the pvParameters pointer is copied into the R4
register. See compiler manual section 4.6.2 for more information. */
*pxTopOfStack = ( StackType_t ) (pvParameters); /* R4 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00003333; /* R3 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00002222; /* R2 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00001111; /* R1 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00000001; /* R0 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x0000EEEE; /* R14 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x0000DDDD; /* R13 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x0000CCCC; /* R12 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x0000BBBB; /* R11 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x0000AAAA; /* R10 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00009999; /* R9 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00008888; /* R8 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x11110000; /* MDH */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x22220000; /* MDL */
pxTopOfStack--;
/* This is a redundant push to the stack, it may be required if
* in some implementations of the compiler the parameter to the task
* is passed on to the stack rather than in R4 register. */
*pxTopOfStack = ( StackType_t ) ( pvParameters );
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00000000; /* RP */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00007777; /* R7 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00006666; /* R6 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00005555; /* R5 */
pxTopOfStack--;
/* In the current implementation of the compiler the first
* parameter to the task (or function) is passed via R4 parameter
* to the task, hence the pvParameters pointer is copied into the R4
* register. See compiler manual section 4.6.2 for more information. */
*pxTopOfStack = ( StackType_t ) ( pvParameters ); /* R4 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00003333; /* R3 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00002222; /* R2 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00001111; /* R1 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00000001; /* R0 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x0000EEEE; /* R14 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x0000DDDD; /* R13 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x0000CCCC; /* R12 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x0000BBBB; /* R11 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x0000AAAA; /* R10 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00009999; /* R9 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x00008888; /* R8 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x11110000; /* MDH */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x22220000; /* MDL */
pxTopOfStack--;
/* The start of the task code. */
*pxTopOfStack = ( StackType_t ) pxCode; /* PC */
pxTopOfStack--;
/* The start of the task code. */
*pxTopOfStack = ( StackType_t ) pxCode; /* PC */
pxTopOfStack--;
/* PS - User Mode, USP, ILM=31, Interrupts enabled */
*pxTopOfStack = ( StackType_t ) 0x001F0030; /* PS */
*pxTopOfStack = ( StackType_t ) 0x001F0030; /* PS */
return pxTopOfStack;
return pxTopOfStack;
}
/*-----------------------------------------------------------*/
BaseType_t xPortStartScheduler( void )
{
/* Setup the hardware to generate the tick. */
prvSetupTimerInterrupt();
/* Setup the hardware to generate the tick. */
prvSetupTimerInterrupt();
/* Restore the context of the first task that is going to run. */
#pragma asm
/* Restore the context of the first task that is going to run. */
#pragma asm
RestoreContext
#pragma endasm
#pragma endasm
/* Simulate a function call end as generated by the compiler. We will now
jump to the start of the task the context of which we have just restored. */
__asm(" reti ");
/* Simulate a function call end as generated by the compiler. We will now
* jump to the start of the task the context of which we have just restored. */
__asm( " reti " );
/* Should not get here. */
return pdFAIL;
/* Should not get here. */
return pdFAIL;
}
/*-----------------------------------------------------------*/
void vPortEndScheduler( void )
{
/* Not implemented - unlikely to ever be required as there is nothing to
return to. */
/* Not implemented - unlikely to ever be required as there is nothing to
* return to. */
}
/*-----------------------------------------------------------*/
static void prvSetupTimerInterrupt( void )
{
/* The peripheral clock divided by 32 is used by the timer. */
const uint16_t usReloadValue = ( uint16_t ) ( ( ( configPER_CLOCK_HZ / configTICK_RATE_HZ ) / 32UL ) - 1UL );
const uint16_t usReloadValue = ( uint16_t ) ( ( ( configPER_CLOCK_HZ / configTICK_RATE_HZ ) / 32UL ) - 1UL );
/* Setup RLT0 to generate a tick interrupt. */
/* Setup RLT0 to generate a tick interrupt. */
TMCSR0_CNTE = 0; /* Count Disable */
TMCSR0_CSL = 0x2; /* CLKP/32 */
TMCSR0_MOD = 0; /* Software trigger */
TMCSR0_RELD = 1; /* Reload */
TMCSR0_UF = 0; /* Clear underflow flag */
TMRLR0 = usReloadValue;
TMCSR0_INTE = 1; /* Interrupt Enable */
TMCSR0_CNTE = 1; /* Count Enable */
TMCSR0_TRG = 1; /* Trigger */
PORTEN = 0x3; /* Port Enable */
TMCSR0_CNTE = 0; /* Count Disable */
TMCSR0_CSL = 0x2; /* CLKP/32 */
TMCSR0_MOD = 0; /* Software trigger */
TMCSR0_RELD = 1; /* Reload */
TMCSR0_UF = 0; /* Clear underflow flag */
TMRLR0 = usReloadValue;
TMCSR0_INTE = 1; /* Interrupt Enable */
TMCSR0_CNTE = 1; /* Count Enable */
TMCSR0_TRG = 1; /* Trigger */
PORTEN = 0x3; /* Port Enable */
}
/*-----------------------------------------------------------*/
#if configUSE_PREEMPTION == 1
/*
* Tick ISR for preemptive scheduler. The tick count is incremented
* after the context is saved. Then the context is switched if required,
* and last the context of the task which is to be resumed is restored.
*/
/*
* Tick ISR for preemptive scheduler. The tick count is incremented
* after the context is saved. Then the context is switched if required,
* and last the context of the task which is to be resumed is restored.
*/
#pragma asm
#pragma asm
.global _ReloadTimer0_IRQHandler
_ReloadTimer0_IRQHandler:
@ -253,28 +255,28 @@ const uint16_t usReloadValue = ( uint16_t ) ( ( ( configPER_CLOCK_HZ / configTIC
RETI
#pragma endasm
#else
/*
* 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
* manual calls to taskYIELD();
*/
__interrupt void ReloadTimer0_IRQHandler( void )
{
/* Clear RLT0 interrupt flag */
TMCSR0_UF = 0;
xTaskIncrementTick();
}
#pragma endasm
#endif
#else /* if configUSE_PREEMPTION == 1 */
/*
* Manual context switch. We can use a __nosavereg attribute as the context
* would be saved by PortSAVE_CONTEXT(). The context is switched and then
* the context of the new task is restored saved.
* 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
* manual calls to taskYIELD();
*/
__interrupt void ReloadTimer0_IRQHandler( void )
{
/* Clear RLT0 interrupt flag */
TMCSR0_UF = 0;
xTaskIncrementTick();
}
#endif /* if configUSE_PREEMPTION == 1 */
/*
* Manual context switch. We can use a __nosavereg attribute as the context
* would be saved by PortSAVE_CONTEXT(). The context is switched and then
* the context of the new task is restored saved.
*/
#pragma asm
@ -300,10 +302,10 @@ const uint16_t usReloadValue = ( uint16_t ) ( ( ( configPER_CLOCK_HZ / configTIC
/*-----------------------------------------------------------*/
/*
* Manual context switch. We can use a __nosavereg attribute as the context
* would be saved by PortSAVE_CONTEXT(). The context is switched and then
* the context of the new task is restored saved.
*/
* Manual context switch. We can use a __nosavereg attribute as the context
* would be saved by PortSAVE_CONTEXT(). The context is switched and then
* the context of the new task is restored saved.
*/
#pragma asm
.global _vPortYield
@ -312,9 +314,8 @@ const uint16_t usReloadValue = ( uint16_t ) ( ( ( configPER_CLOCK_HZ / configTIC
SaveContext ;Save context
CALL32 _vTaskSwitchContext,R12 ;Switch context if required
RestoreContext ;Restore context
RETI
#pragma endasm
/*-----------------------------------------------------------*/

65
portable/Softune/MB91460/portmacro.h
View file

@ -44,65 +44,64 @@
*/
/* Type definitions. */
#define portCHAR char
#define portFLOAT float
#define portDOUBLE double
#define portLONG long
#define portSHORT short
#define portSTACK_TYPE uint32_t
#define portBASE_TYPE long
#define portCHAR char
#define portFLOAT float
#define portDOUBLE double
#define portLONG long
#define portSHORT short
#define portSTACK_TYPE uint32_t
#define portBASE_TYPE long
typedef portSTACK_TYPE StackType_t;
typedef long BaseType_t;
typedef unsigned long UBaseType_t;
typedef portSTACK_TYPE StackType_t;
typedef long BaseType_t;
typedef unsigned long UBaseType_t;
#if( configUSE_16_BIT_TICKS == 1 )
typedef uint16_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffff
#if ( configUSE_16_BIT_TICKS == 1 )
typedef uint16_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffff
#else
typedef uint32_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
typedef uint32_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
#endif
/*-----------------------------------------------------------*/
/* Critical section management. */
#if configKERNEL_INTERRUPT_PRIORITY != 30
#error configKERNEL_INTERRUPT_PRIORITY (set in FreeRTOSConfig.h) must match the ILM value set in the following line - 30 (1Eh) being the default.
#error configKERNEL_INTERRUPT_PRIORITY (set in FreeRTOSConfig.h) must match the ILM value set in the following line - 30 (1Eh) being the default.
#endif
#define portDISABLE_INTERRUPTS() __asm(" STILM #1Eh ")
#define portENABLE_INTERRUPTS() __asm(" STILM #1Fh ")
#define portDISABLE_INTERRUPTS() __asm( " STILM #1Eh " )
#define portENABLE_INTERRUPTS() __asm( " STILM #1Fh " )
#define portENTER_CRITICAL() \
__asm(" ST PS,@-R15 "); \
__asm(" ANDCCR #0xef "); \
#define portENTER_CRITICAL() \
__asm( " ST PS,@-R15 " ); \
__asm( " ANDCCR #0xef " ); \
#define portEXIT_CRITICAL() \
__asm(" LD @R15+,PS "); \
#define portEXIT_CRITICAL() \
__asm( " LD @R15+,PS " ); \
/*-----------------------------------------------------------*/
/* Architecture specifics. */
#define portSTACK_GROWTH ( -1 )
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 4
#define portNOP() __asm( " nop " );
#define portSTACK_GROWTH ( -1 )
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 4
#define portNOP() __asm( " nop " );
/*-----------------------------------------------------------*/
/* portYIELD() uses a SW interrupt */
#define portYIELD() __asm( " INT #40H " );
#define portYIELD() __asm( " INT #40H " );
/* portYIELD_FROM_ISR() uses delayed interrupt */
#define portYIELD_FROM_ISR() DICR_DLYI = 1
#define portYIELD_FROM_ISR() DICR_DLYI = 1
/*-----------------------------------------------------------*/
/* Task function macros as described on the FreeRTOS.org WEB site. */
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
#define portTASK_FUNCTION( 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 portMINIMAL_STACK_SIZE configMINIMAL_STACK_SIZE
#define portMINIMAL_STACK_SIZE configMINIMAL_STACK_SIZE
#endif /* PORTMACRO_H */

36
portable/Softune/MB96340/__STD_LIB_sbrk.c
View file

@ -2,27 +2,29 @@
/* MICROELECTRONICS ACCEPTS NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR */
/* ELIGIBILITY FOR ANY PURPOSES. */
/* (C) Fujitsu Microelectronics Europe GmbH */
/*---------------------------------------------------------------------------
__STD_LIB_sbrk.C
- Used by heap_3.c for memory accocation and deletion.
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------
* __STD_LIB_sbrk.C
* - Used by heap_3.c for memory accocation and deletion.
*
* /*---------------------------------------------------------------------------*/
#include "FreeRTOSConfig.h"
#include <stdlib.h>
static long brk_siz = 0;
typedef int _heep_t;
#define ROUNDUP(s) (((s)+sizeof(_heep_t)-1)&~(sizeof(_heep_t)-1))
static _heep_t _heep[ROUNDUP(configTOTAL_HEAP_SIZE)/sizeof(_heep_t)];
#define _heep_size ROUNDUP(configTOTAL_HEAP_SIZE)
static long brk_siz = 0;
typedef int _heep_t;
#define ROUNDUP( s ) ( ( ( s ) + sizeof( _heep_t ) - 1 ) & ~( sizeof( _heep_t ) - 1 ) )
static _heep_t _heep[ ROUNDUP( configTOTAL_HEAP_SIZE ) / sizeof( _heep_t ) ];
#define _heep_size ROUNDUP( configTOTAL_HEAP_SIZE )
extern char *sbrk(int size)
{
if (brk_siz + size > _heep_size || brk_siz + size < 0)
return((char*)-1);
brk_siz += size;
return( (char*)_heep + brk_siz - size);
}
extern char * sbrk( int size )
{
if( ( brk_siz + size > _heep_size ) || ( brk_siz + size < 0 ) )
{
return( ( char * ) -1 );
}
brk_siz += size;
return( ( char * ) _heep + brk_siz - size );
}

691
portable/Softune/MB96340/port.c
View file

@ -28,16 +28,16 @@
#include "task.h"
/*-----------------------------------------------------------
* Implementation of functions defined in portable.h for the 16FX port.
*----------------------------------------------------------*/
* Implementation of functions defined in portable.h for the 16FX port.
*----------------------------------------------------------*/
/*
* Get current value of DPR and ADB registers
/*
* Get current value of DPR and ADB registers
*/
StackType_t xGet_DPR_ADB_bank( void );
StackType_t xGet_DPR_ADB_bank( void );
/*
* Get current value of DTB and PCB registers
/*
* Get current value of DTB and PCB registers
*/
StackType_t xGet_DTB_PCB_bank( void );
@ -49,176 +49,176 @@ static void prvSetupRLT0Interrupt( void );
/*-----------------------------------------------------------*/
/*
/*
* We require the address of the pxCurrentTCB variable, but don't want to know
* any details of its type.
* any details of its type.
*/
typedef void TCB_t;
extern volatile TCB_t * volatile pxCurrentTCB;
/*-----------------------------------------------------------*/
/*
* Macro to save a task context to the task stack. This macro copies the
* saved context (AH:AL, DPR:ADB, DTB:PCB , PC and PS) from the system
* stack to task stack pointed by user stack pointer ( USP for SMALL and
/*
* Macro to save a task context to the task stack. This macro copies the
* saved context (AH:AL, DPR:ADB, DTB:PCB , PC and PS) from the system
* stack to task stack pointed by user stack pointer ( USP for SMALL and
* MEDIUM memory model amd USB:USP for COMPACT and LARGE memory model ),
* then it pushes the general purpose registers RW0-RW7 on to the task
* stack. Finally the resultant stack pointer value is saved into the
* task control block so it can be retrieved the next time the task
* then it pushes the general purpose registers RW0-RW7 on to the task
* stack. Finally the resultant stack pointer value is saved into the
* task control block so it can be retrieved the next time the task
* executes.
*/
#if( ( configMEMMODEL == portSMALL ) || ( configMEMMODEL == portMEDIUM ) )
*/
#if ( ( configMEMMODEL == portSMALL ) || ( configMEMMODEL == portMEDIUM ) )
#define portSAVE_CONTEXT() \
{ __asm(" POPW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" PUSHW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" POPW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" PUSHW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" POPW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" PUSHW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" POPW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" PUSHW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" POPW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" PUSHW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" POPW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" PUSHW A "); \
__asm(" PUSHW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) "); \
__asm(" MOVW A, _pxCurrentTCB "); \
__asm(" MOVW A, SP "); \
__asm(" SWAPW "); \
__asm(" MOVW @AL, AH "); \
__asm(" OR CCR,#H'20 "); \
}
#define portSAVE_CONTEXT() \
{ __asm( " POPW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " PUSHW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " POPW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " PUSHW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " POPW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " PUSHW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " POPW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " PUSHW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " POPW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " PUSHW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " POPW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " PUSHW A " ); \
__asm( " PUSHW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) " ); \
__asm( " MOVW A, _pxCurrentTCB " ); \
__asm( " MOVW A, SP " ); \
__asm( " SWAPW " ); \
__asm( " MOVW @AL, AH " ); \
__asm( " OR CCR,#H'20 " ); \
}
/*
/*
* Macro to restore a task context from the task stack. This is effecti-
* vely the reverse of SAVE_CONTEXT(). First the stack pointer value
* (USP for SMALL and MEDIUM memory model amd USB:USP for COMPACT and
* LARGE memory model ) is loaded from the task control block. Next the
* (USP for SMALL and MEDIUM memory model amd USB:USP for COMPACT and
* LARGE memory model ) is loaded from the task control block. Next the
* value of all the general purpose registers RW0-RW7 is retrieved. Fina-
* lly it copies of the context ( AH:AL, DPR:ADB, DTB:PCB, PC and PS) of
* the task to be executed upon RETI from user stack to system stack.
* lly it copies of the context ( AH:AL, DPR:ADB, DTB:PCB, PC and PS) of
* the task to be executed upon RETI from user stack to system stack.
*/
#define portRESTORE_CONTEXT() \
{ __asm(" MOVW A, _pxCurrentTCB "); \
__asm(" MOVW A, @A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" MOVW SP, A "); \
__asm(" POPW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) "); \
__asm(" POPW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" PUSHW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" POPW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" PUSHW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" POPW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" PUSHW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" POPW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" PUSHW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" POPW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" PUSHW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" POPW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" PUSHW A "); \
}
#elif( ( configMEMMODEL == portCOMPACT ) || ( configMEMMODEL == portLARGE ) )
#define portSAVE_CONTEXT() \
{ __asm(" POPW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" PUSHW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" POPW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" PUSHW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" POPW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" PUSHW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" POPW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" PUSHW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" POPW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" PUSHW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" POPW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" PUSHW A "); \
__asm(" PUSHW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) "); \
__asm(" MOVL A, _pxCurrentTCB "); \
__asm(" MOVL RL2, A "); \
__asm(" MOVW A, SP "); \
__asm(" MOVW @RL2+0, A "); \
__asm(" MOV A, USB "); \
__asm(" MOV @RL2+2, A "); \
}
#define portRESTORE_CONTEXT() \
{ __asm(" MOVL A, _pxCurrentTCB "); \
__asm(" MOVL RL2, A "); \
__asm(" MOVW A, @RL2+0 "); \
__asm(" AND CCR,#H'DF "); \
__asm(" MOVW SP, A "); \
__asm(" MOV A, @RL2+2 "); \
__asm(" MOV USB, A "); \
__asm(" POPW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) "); \
__asm(" POPW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" PUSHW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" POPW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" PUSHW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" POPW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" PUSHW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" POPW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" PUSHW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" POPW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" PUSHW A "); \
__asm(" AND CCR,#H'DF "); \
__asm(" POPW A "); \
__asm(" OR CCR,#H'20 "); \
__asm(" PUSHW A "); \
}
#endif
#define portRESTORE_CONTEXT() \
{ __asm( " MOVW A, _pxCurrentTCB " ); \
__asm( " MOVW A, @A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " MOVW SP, A " ); \
__asm( " POPW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) " ); \
__asm( " POPW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " PUSHW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " POPW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " PUSHW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " POPW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " PUSHW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " POPW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " PUSHW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " POPW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " PUSHW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " POPW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " PUSHW A " ); \
}
/*-----------------------------------------------------------*/
#elif ( ( configMEMMODEL == portCOMPACT ) || ( configMEMMODEL == portLARGE ) )
/*
#define portSAVE_CONTEXT() \
{ __asm( " POPW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " PUSHW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " POPW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " PUSHW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " POPW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " PUSHW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " POPW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " PUSHW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " POPW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " PUSHW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " POPW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " PUSHW A " ); \
__asm( " PUSHW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) " ); \
__asm( " MOVL A, _pxCurrentTCB " ); \
__asm( " MOVL RL2, A " ); \
__asm( " MOVW A, SP " ); \
__asm( " MOVW @RL2+0, A " ); \
__asm( " MOV A, USB " ); \
__asm( " MOV @RL2+2, A " ); \
}
#define portRESTORE_CONTEXT() \
{ __asm( " MOVL A, _pxCurrentTCB " ); \
__asm( " MOVL RL2, A " ); \
__asm( " MOVW A, @RL2+0 " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " MOVW SP, A " ); \
__asm( " MOV A, @RL2+2 " ); \
__asm( " MOV USB, A " ); \
__asm( " POPW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) " ); \
__asm( " POPW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " PUSHW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " POPW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " PUSHW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " POPW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " PUSHW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " POPW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " PUSHW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " POPW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " PUSHW A " ); \
__asm( " AND CCR,#H'DF " ); \
__asm( " POPW A " ); \
__asm( " OR CCR,#H'20 " ); \
__asm( " PUSHW A " ); \
}
#endif /* if ( ( configMEMMODEL == portSMALL ) || ( configMEMMODEL == portMEDIUM ) ) */
/*-----------------------------------------------------------*/
/*
* Functions for obtaining the current value of DPR:ADB, DTB:PCB bank registers
*/
#pragma asm
.GLOBAL _xGet_DPR_ADB_bank
@ -253,256 +253,257 @@ _xGet_DTB_PCB_bank:
#pragma endasm
/*-----------------------------------------------------------*/
/*
* Initialise the stack of a task to look exactly as if a call to
/*
* Initialise the stack of a task to look exactly as if a call to
* portSAVE_CONTEXT had been called.
*
*
* See the header file portable.h.
*/
StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
TaskFunction_t pxCode,
void * pvParameters )
{
/* Place a few bytes of known values on the bottom of the stack.
This is just useful for debugging. */
*pxTopOfStack = 0x1111;
pxTopOfStack--;
*pxTopOfStack = 0x2222;
pxTopOfStack--;
*pxTopOfStack = 0x3333;
pxTopOfStack--;
/* Place a few bytes of known values on the bottom of the stack.
* This is just useful for debugging. */
*pxTopOfStack = 0x1111;
pxTopOfStack--;
*pxTopOfStack = 0x2222;
pxTopOfStack--;
*pxTopOfStack = 0x3333;
pxTopOfStack--;
/* Once the task is called the task would push the pointer to the
parameter onto the stack. Hence here the pointer would be copied to the stack
first. When using the COMPACT or LARGE memory model the pointer would be 24
bits, and when using the SMALL or MEDIUM memory model the pointer would be 16
bits. */
#if( ( configMEMMODEL == portCOMPACT ) || ( configMEMMODEL == portLARGE ) )
{
*pxTopOfStack = ( StackType_t ) ( ( uint32_t ) ( pvParameters ) >> 16 );
pxTopOfStack--;
}
#endif
/* Once the task is called the task would push the pointer to the
* parameter onto the stack. Hence here the pointer would be copied to the stack
* first. When using the COMPACT or LARGE memory model the pointer would be 24
* bits, and when using the SMALL or MEDIUM memory model the pointer would be 16
* bits. */
#if ( ( configMEMMODEL == portCOMPACT ) || ( configMEMMODEL == portLARGE ) )
{
*pxTopOfStack = ( StackType_t ) ( ( uint32_t ) ( pvParameters ) >> 16 );
pxTopOfStack--;
}
#endif
*pxTopOfStack = ( StackType_t ) ( pvParameters );
pxTopOfStack--;
/* This is redundant push to the stack. This is required in order to introduce
an offset so that the task accesses a parameter correctly that is passed on to
the task stack. */
#if( ( configMEMMODEL == portMEDIUM ) || ( configMEMMODEL == portLARGE ) )
{
*pxTopOfStack = ( xGet_DTB_PCB_bank() & 0xff00 ) | ( ( ( int32_t ) ( pxCode ) >> 16 ) & 0xff );
pxTopOfStack--;
}
#endif
pxTopOfStack--;
/* This is redundant push to the stack. This is required in order to introduce
an offset so the task correctly accesses the parameter passed on the task stack. */
/* This is redundant push to the stack. This is required in order to introduce
* an offset so that the task accesses a parameter correctly that is passed on to
* the task stack. */
#if ( ( configMEMMODEL == portMEDIUM ) || ( configMEMMODEL == portLARGE ) )
{
*pxTopOfStack = ( xGet_DTB_PCB_bank() & 0xff00 ) | ( ( ( int32_t ) ( pxCode ) >> 16 ) & 0xff );
pxTopOfStack--;
}
#endif
/* This is redundant push to the stack. This is required in order to introduce
* an offset so the task correctly accesses the parameter passed on the task stack. */
*pxTopOfStack = ( StackType_t ) ( pxCode );
pxTopOfStack--;
pxTopOfStack--;
/* PS - User Mode, ILM=7, RB=0, Interrupts enabled,USP */
*pxTopOfStack = 0xE0C0;
pxTopOfStack--;
*pxTopOfStack = 0xE0C0;
pxTopOfStack--;
/* PC */
*pxTopOfStack = ( StackType_t ) ( pxCode );
pxTopOfStack--;
/* PC */
*pxTopOfStack = ( StackType_t ) ( pxCode );
pxTopOfStack--;
/* DTB | PCB */
#if configMEMMODEL == portSMALL || configMEMMODEL == portCOMPACT
{
*pxTopOfStack = xGet_DTB_PCB_bank();
pxTopOfStack--;
}
#endif
#if configMEMMODEL == portSMALL || configMEMMODEL == portCOMPACT
{
*pxTopOfStack = xGet_DTB_PCB_bank();
pxTopOfStack--;
}
#endif
/* DTB | PCB, in case of MEDIUM and LARGE memory models, PCB would be used
along with PC to indicate the start address of the function. */
#if( ( configMEMMODEL == portMEDIUM ) || ( configMEMMODEL == portLARGE ) )
{
*pxTopOfStack = ( xGet_DTB_PCB_bank() & 0xff00 ) | ( ( ( int32_t ) ( pxCode ) >> 16 ) & 0xff );
pxTopOfStack--;
}
#endif
/* DTB | PCB, in case of MEDIUM and LARGE memory models, PCB would be used
* along with PC to indicate the start address of the function. */
#if ( ( configMEMMODEL == portMEDIUM ) || ( configMEMMODEL == portLARGE ) )
{
*pxTopOfStack = ( xGet_DTB_PCB_bank() & 0xff00 ) | ( ( ( int32_t ) ( pxCode ) >> 16 ) & 0xff );
pxTopOfStack--;
}
#endif
/* DPR | ADB */
*pxTopOfStack = xGet_DPR_ADB_bank();
pxTopOfStack--;
/* AL */
*pxTopOfStack = ( StackType_t ) 0x9999;
pxTopOfStack--;
/* DPR | ADB */
*pxTopOfStack = xGet_DPR_ADB_bank();
pxTopOfStack--;
/* AH */
*pxTopOfStack = ( StackType_t ) 0xAAAA;
pxTopOfStack--;
/* Next the general purpose registers. */
*pxTopOfStack = ( StackType_t ) 0x7777; /* RW7 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x6666; /* RW6 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x5555; /* RW5 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x4444; /* RW4 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x3333; /* RW3 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x2222; /* RW2 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x1111; /* RW1 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x8888; /* RW0 */
return pxTopOfStack;
/* AL */
*pxTopOfStack = ( StackType_t ) 0x9999;
pxTopOfStack--;
/* AH */
*pxTopOfStack = ( StackType_t ) 0xAAAA;
pxTopOfStack--;
/* Next the general purpose registers. */
*pxTopOfStack = ( StackType_t ) 0x7777; /* RW7 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x6666; /* RW6 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x5555; /* RW5 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x4444; /* RW4 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x3333; /* RW3 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x2222; /* RW2 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x1111; /* RW1 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x8888; /* RW0 */
return pxTopOfStack;
}
/*-----------------------------------------------------------*/
static void prvSetupRLT0Interrupt( void )
{
/* The peripheral clock divided by 16 is used by the timer. */
const uint16_t usReloadValue = ( uint16_t ) ( ( ( configCLKP1_CLOCK_HZ / configTICK_RATE_HZ ) / 16UL ) - 1UL );
const uint16_t usReloadValue = ( uint16_t ) ( ( ( configCLKP1_CLOCK_HZ / configTICK_RATE_HZ ) / 16UL ) - 1UL );
/* set reload value = 34999+1, TICK Interrupt after 10 ms @ 56MHz of CLKP1 */
TMRLR0 = usReloadValue;
/* set reload value = 34999+1, TICK Interrupt after 10 ms @ 56MHz of CLKP1 */
TMRLR0 = usReloadValue;
/* prescaler 1:16, reload, interrupt enable, count enable, trigger */
TMCSR0 = 0x041B;
TMCSR0 = 0x041B;
}
/*-----------------------------------------------------------*/
BaseType_t xPortStartScheduler( void )
{
/* Setup the hardware to generate the tick. */
prvSetupRLT0Interrupt();
/* Restore the context of the first task that is going to run. */
portRESTORE_CONTEXT();
/* Setup the hardware to generate the tick. */
prvSetupRLT0Interrupt();
/* Simulate a function call end as generated by the compiler. We will now
jump to the start of the task the context of which we have just restored. */
__asm(" reti ");
/* Restore the context of the first task that is going to run. */
portRESTORE_CONTEXT();
/* Simulate a function call end as generated by the compiler. We will now
* jump to the start of the task the context of which we have just restored. */
__asm( " reti " );
/* Should not get here. */
return pdTRUE;
/* Should not get here. */
return pdTRUE;
}
/*-----------------------------------------------------------*/
void vPortEndScheduler( void )
{
/* Not implemented - unlikely to ever be required as there is nothing to
return to. */
/* Not implemented - unlikely to ever be required as there is nothing to
* return to. */
}
/*-----------------------------------------------------------*/
/*
/*
* The interrupt service routine used depends on whether the pre-emptive
* scheduler is being used or not.
*/
#if configUSE_PREEMPTION == 1
/*
* Tick ISR for preemptive scheduler. We can use a __nosavereg attribute
* as the context is to be saved by the portSAVE_CONTEXT() macro, not the
* compiler generated code. The tick count is incremented after the context
* is saved.
*/
__nosavereg __interrupt void prvRLT0_TICKISR( void )
{
/* Disable interrupts so that portSAVE_CONTEXT() is not interrupted */
__DI();
/* Save the context of the interrupted task. */
portSAVE_CONTEXT();
/* Enable interrupts */
__EI();
/* Clear RLT0 interrupt flag */
TMCSR0_UF = 0;
/* Increment the tick count then switch to the highest priority task
that is ready to run. */
if( xTaskIncrementTick() != pdFALSE )
{
vTaskSwitchContext();
}
/*
* Tick ISR for preemptive scheduler. We can use a __nosavereg attribute
* as the context is to be saved by the portSAVE_CONTEXT() macro, not the
* compiler generated code. The tick count is incremented after the context
* is saved.
*/
__nosavereg __interrupt void prvRLT0_TICKISR( void )
{
/* Disable interrupts so that portSAVE_CONTEXT() is not interrupted */
__DI();
/* Disable interrupts so that portRESTORE_CONTEXT() is not interrupted */
__DI();
/* Restore the context of the new task. */
portRESTORE_CONTEXT();
/* Enable interrupts */
__EI();
}
/* Save the context of the interrupted task. */
portSAVE_CONTEXT();
#else
/* Enable interrupts */
__EI();
/*
* 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
* manual calls to taskYIELD();
*/
__interrupt void prvRLT0_TICKISR( void )
{
/* Clear RLT0 interrupt flag */
TMCSR0_UF = 0;
xTaskIncrementTick();
}
/* Clear RLT0 interrupt flag */
TMCSR0_UF = 0;
#endif
/* Increment the tick count then switch to the highest priority task
* that is ready to run. */
if( xTaskIncrementTick() != pdFALSE )
{
vTaskSwitchContext();
}
/* Disable interrupts so that portRESTORE_CONTEXT() is not interrupted */
__DI();
/* Restore the context of the new task. */
portRESTORE_CONTEXT();
/* Enable interrupts */
__EI();
}
#else /* if configUSE_PREEMPTION == 1 */
/*
* 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
* manual calls to taskYIELD();
*/
__interrupt void prvRLT0_TICKISR( void )
{
/* Clear RLT0 interrupt flag */
TMCSR0_UF = 0;
xTaskIncrementTick();
}
#endif /* if configUSE_PREEMPTION == 1 */
/*-----------------------------------------------------------*/
/*
* Manual context switch. We can use a __nosavereg attribute as the context
* is to be saved by the portSAVE_CONTEXT() macro, not the compiler generated
* Manual context switch. We can use a __nosavereg attribute as the context
* is to be saved by the portSAVE_CONTEXT() macro, not the compiler generated
* code.
*/
__nosavereg __interrupt void vPortYield( void )
{
/* Save the context of the interrupted task. */
portSAVE_CONTEXT();
/* Switch to the highest priority task that is ready to run. */
vTaskSwitchContext();
/* Restore the context of the new task. */
portRESTORE_CONTEXT();
/* Save the context of the interrupted task. */
portSAVE_CONTEXT();
/* Switch to the highest priority task that is ready to run. */
vTaskSwitchContext();
/* Restore the context of the new task. */
portRESTORE_CONTEXT();
}
/*-----------------------------------------------------------*/
__nosavereg __interrupt void vPortYieldDelayed( void )
{
/* Disable interrupts so that portSAVE_CONTEXT() is not interrupted */
__DI();
/* Save the context of the interrupted task. */
portSAVE_CONTEXT();
/* Enable interrupts */
__EI();
/* Clear delayed interrupt flag */
__asm (" CLRB 03A4H:0 ");
/* Switch to the highest priority task that is ready to run. */
vTaskSwitchContext();
/* Disable interrupts so that portSAVE_CONTEXT() is not interrupted */
__DI();
/* Restore the context of the new task. */
portRESTORE_CONTEXT();
{
/* Disable interrupts so that portSAVE_CONTEXT() is not interrupted */
__DI();
/* Enable interrupts */
__EI();
}
/* Save the context of the interrupted task. */
portSAVE_CONTEXT();
/* Enable interrupts */
__EI();
/* Clear delayed interrupt flag */
__asm( " CLRB 03A4H:0 " );
/* Switch to the highest priority task that is ready to run. */
vTaskSwitchContext();
/* Disable interrupts so that portSAVE_CONTEXT() is not interrupted */
__DI();
/* Restore the context of the new task. */
portRESTORE_CONTEXT();
/* Enable interrupts */
__EI();
}
/*-----------------------------------------------------------*/

79
portable/Softune/MB96340/portmacro.h
View file

@ -32,11 +32,11 @@
#include <stddef.h>
/* Constants denoting the available memory models. These are used within
FreeRTOSConfig.h to set the configMEMMODEL value. */
#define portSMALL 0
#define portMEDIUM 1
#define portCOMPACT 2
#define portLARGE 3
* FreeRTOSConfig.h to set the configMEMMODEL value. */
#define portSMALL 0
#define portMEDIUM 1
#define portCOMPACT 2
#define portLARGE 3
/*-----------------------------------------------------------
@ -50,66 +50,65 @@ FreeRTOSConfig.h to set the configMEMMODEL value. */
*/
/* Type definitions. */
#define portCHAR char
#define portFLOAT float
#define portDOUBLE double
#define portLONG long
#define portSHORT short
#define portSTACK_TYPE uint16_t
#define portBASE_TYPE short
#define portCHAR char
#define portFLOAT float
#define portDOUBLE double
#define portLONG long
#define portSHORT short
#define portSTACK_TYPE uint16_t
#define portBASE_TYPE short
typedef portSTACK_TYPE StackType_t;
typedef short BaseType_t;
typedef unsigned short UBaseType_t;
typedef portSTACK_TYPE StackType_t;
typedef short BaseType_t;
typedef unsigned short UBaseType_t;
#if( configUSE_16_BIT_TICKS == 1 )
typedef uint16_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffff
#if ( configUSE_16_BIT_TICKS == 1 )
typedef uint16_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffff
#else
typedef uint32_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
typedef uint32_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
#endif
/*-----------------------------------------------------------*/
/* Critical section handling. */
#if configKERNEL_INTERRUPT_PRIORITY != 6
#error configKERNEL_INTERRUPT_PRIORITY (set in FreeRTOSConfig.h) must match the ILM value set in the following line - #06H being the default.
#error configKERNEL_INTERRUPT_PRIORITY (set in FreeRTOSConfig.h) must match the ILM value set in the following line - #06H being the default.
#endif
#define portDISABLE_INTERRUPTS() __asm(" MOV ILM, #06h ")
#define portENABLE_INTERRUPTS() __asm(" MOV ILM, #07h ")
#define portDISABLE_INTERRUPTS() __asm( " MOV ILM, #06h " )
#define portENABLE_INTERRUPTS() __asm( " MOV ILM, #07h " )
#define portENTER_CRITICAL() \
{ __asm(" PUSHW PS "); \
portDISABLE_INTERRUPTS(); \
}
#define portENTER_CRITICAL() \
{ __asm( " PUSHW PS " ); \
portDISABLE_INTERRUPTS(); \
}
#define portEXIT_CRITICAL() \
{ __asm(" POPW PS "); \
}
#define portEXIT_CRITICAL() \
{ __asm( " POPW PS " ); \
}
/*-----------------------------------------------------------*/
/* Architecture specifics. */
#define portSTACK_GROWTH ( -1 )
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 2
#define portNOP() __asm( " NOP " );
#define portSTACK_GROWTH ( -1 )
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 2
#define portNOP() __asm( " NOP " );
/*-----------------------------------------------------------*/
/* portYIELD() uses SW interrupt */
#define portYIELD() __asm( " INT #122 " );
#define portYIELD() __asm( " INT #122 " );
/* portYIELD_FROM_ISR() uses delayed interrupt */
#define portYIELD_FROM_ISR() __asm( " SETB 03A4H:0 " );
#define portYIELD_FROM_ISR() __asm( " SETB 03A4H:0 " );
/*-----------------------------------------------------------*/
/* Task function macros as described on the FreeRTOS.org WEB site. */
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
#define portTASK_FUNCTION( 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 portMINIMAL_STACK_SIZE configMINIMAL_STACK_SIZE
#define portMINIMAL_STACK_SIZE configMINIMAL_STACK_SIZE
#endif /* PORTMACRO_H */