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Paul Bartell 2022-11-29 10:36:04 -08:00 • committed by Paul Bartell
parent 151fb04ad1
commit 01820d3ed9
574 changed files with 162626 additions and 172362 deletions
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103
portable/IAR/AtmelSAM9XE/ISR_Support.h
View file

@ -25,8 +25,8 @@
; * https://github.com/FreeRTOS
; *
; */
EXTERN pxCurrentTCB
EXTERN ulCriticalNesting
EXTERN pxCurrentTCB
EXTERN ulCriticalNesting
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Context save and restore macro definitions
@ -34,72 +34,71 @@
portSAVE_CONTEXT MACRO
; Push R0 as we are going to use the register.
STMDB SP!, {R0}
; Push R0 as we are going to use the register.
STMDB SP!, {R0}
; Set R0 to point to the task stack pointer.
STMDB SP, {SP}^
NOP
SUB SP, SP, #4
LDMIA SP!, {R0}
; Set R0 to point to the task stack pointer.
STMDB SP, {SP}^
NOP
SUB SP, SP, #4
LDMIA SP!, {R0}
; Push the return address onto the stack.
STMDB R0!, {LR}
; Push the return address onto the stack.
STMDB R0!, {LR}
; Now we have saved LR we can use it instead of R0.
MOV LR, R0
; Now we have saved LR we can use it instead of R0.
MOV LR, R0
; Pop R0 so we can save it onto the system mode stack.
LDMIA SP!, {R0}
; Pop R0 so we can save it onto the system mode stack.
LDMIA SP!, {R0}
; Push all the system mode registers onto the task stack.
STMDB LR, {R0-LR}^
NOP
SUB LR, LR, #60
; Push all the system mode registers onto the task stack.
STMDB LR, {R0-LR}^
NOP
SUB LR, LR, #60
; Push the SPSR onto the task stack.
MRS R0, SPSR
STMDB LR!, {R0}
; Push the SPSR onto the task stack.
MRS R0, SPSR
STMDB LR!, {R0}
LDR R0, =ulCriticalNesting
LDR R0, [R0]
STMDB LR!, {R0}
LDR R0, =ulCriticalNesting
LDR R0, [R0]
STMDB LR!, {R0}
; Store the new top of stack for the task.
LDR R1, =pxCurrentTCB
LDR R0, [R1]
STR LR, [R0]
; Store the new top of stack for the task.
LDR R1, =pxCurrentTCB
LDR R0, [R1]
STR LR, [R0]
ENDM
ENDM
portRESTORE_CONTEXT MACRO
; Set the LR to the task stack.
LDR R1, =pxCurrentTCB
LDR R0, [R1]
LDR LR, [R0]
; Set the LR to the task stack.
LDR R1, =pxCurrentTCB
LDR R0, [R1]
LDR LR, [R0]
; The critical nesting depth is the first item on the stack.
; Load it into the ulCriticalNesting variable.
LDR R0, =ulCriticalNesting
LDMFD LR!, {R1}
STR R1, [R0]
; The critical nesting depth is the first item on the stack.
; Load it into the ulCriticalNesting variable.
LDR R0, =ulCriticalNesting
LDMFD LR!, {R1}
STR R1, [R0]
; Get the SPSR from the stack.
LDMFD LR!, {R0}
MSR SPSR_cxsf, R0
; Get the SPSR from the stack.
LDMFD LR!, {R0}
MSR SPSR_cxsf, R0
; Restore all system mode registers for the task.
LDMFD LR, {R0-R14}^
NOP
; Restore all system mode registers for the task.
LDMFD LR, {R0-R14}^
NOP
; Restore the return address.
LDR LR, [LR, #+60]
; Restore the return address.
LDR LR, [LR, #+60]
; And return - correcting the offset in the LR to obtain the
; correct address.
SUBS PC, LR, #4
ENDM
; And return - correcting the offset in the LR to obtain the
; correct address.
SUBS PC, LR, #4
ENDM

508
portable/IAR/AtmelSAM9XE/port.c
View file

@ -1,257 +1,251 @@
/*
* FreeRTOS Kernel <DEVELOPMENT BRANCH>
* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* https://www.FreeRTOS.org
* https://github.com/FreeRTOS
*
*/
/*-----------------------------------------------------------
* Implementation of functions defined in portable.h for the Atmel ARM7 port.
*----------------------------------------------------------*/
/* Standard includes. */
#include <stdlib.h>
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "task.h"
/* Hardware includes. */
#include <board.h>
#include <pio/pio.h>
#include <pio/pio_it.h>
#include <pit/pit.h>
#include <aic/aic.h>
#include <tc/tc.h>
#include <utility/led.h>
#include <utility/trace.h>
/*-----------------------------------------------------------*/
/* Constants required to setup the initial stack. */
#define portINITIAL_SPSR ( ( StackType_t ) 0x1f ) /* System mode, ARM mode, interrupts enabled. */
#define portTHUMB_MODE_BIT ( ( StackType_t ) 0x20 )
#define portINSTRUCTION_SIZE ( ( StackType_t ) 4 )
/* Constants required to setup the PIT. */
#define port1MHz_IN_Hz ( 1000000ul )
#define port1SECOND_IN_uS ( 1000000.0 )
/* Constants required to handle critical sections. */
#define portNO_CRITICAL_NESTING ( ( uint32_t ) 0 )
#define portINT_LEVEL_SENSITIVE 0
#define portPIT_ENABLE ( ( uint16_t ) 0x1 << 24 )
#define portPIT_INT_ENABLE ( ( uint16_t ) 0x1 << 25 )
/*-----------------------------------------------------------*/
/* Setup the PIT to generate the tick interrupts. */
static void prvSetupTimerInterrupt( void );
/* The PIT interrupt handler - the RTOS tick. */
static void vPortTickISR( void );
/* ulCriticalNesting will get set to zero when the first task starts. It
cannot be initialised to 0 as this will cause interrupts to be enabled
during the kernel initialisation process. */
uint32_t ulCriticalNesting = ( uint32_t ) 9999;
/*-----------------------------------------------------------*/
/*
* Initialise the stack of a task to look exactly as if a call to
* portSAVE_CONTEXT had been called.
*
* See header file for description.
*/
StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
{
StackType_t *pxOriginalTOS;
pxOriginalTOS = pxTopOfStack;
/* To ensure asserts in tasks.c don't fail, although in this case the assert
is not really required. */
pxTopOfStack--;
/* Setup the initial stack of the task. The stack is set exactly as
expected by the portRESTORE_CONTEXT() macro. */
/* First on the stack is the return address - which in this case is the
start of the task. The offset is added to make the return address appear
as it would within an IRQ ISR. */
*pxTopOfStack = ( StackType_t ) pxCode + portINSTRUCTION_SIZE;
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0xaaaaaaaa; /* R14 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) pxOriginalTOS; /* Stack used when task starts goes in R13. */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x12121212; /* R12 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x11111111; /* R11 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x10101010; /* R10 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x09090909; /* R9 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x08080808; /* R8 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x07070707; /* R7 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x06060606; /* R6 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x05050505; /* R5 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x04040404; /* R4 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x03030303; /* R3 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x02020202; /* R2 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x01010101; /* R1 */
pxTopOfStack--;
/* When the task starts is will expect to find the function parameter in
R0. */
*pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */
pxTopOfStack--;
/* The status register is set for system mode, with interrupts enabled. */
*pxTopOfStack = ( StackType_t ) portINITIAL_SPSR;
#ifdef THUMB_INTERWORK
{
/* We want the task to start in thumb mode. */
*pxTopOfStack |= portTHUMB_MODE_BIT;
}
#endif
pxTopOfStack--;
/* Interrupt flags cannot always be stored on the stack and will
instead be stored in a variable, which is then saved as part of the
tasks context. */
*pxTopOfStack = portNO_CRITICAL_NESTING;
return pxTopOfStack;
}
/*-----------------------------------------------------------*/
BaseType_t xPortStartScheduler( void )
{
extern void vPortStartFirstTask( void );
/* Start the timer that generates the tick ISR. Interrupts are disabled
here already. */
prvSetupTimerInterrupt();
/* Start the first task. */
vPortStartFirstTask();
/* Should not get here! */
return 0;
}
/*-----------------------------------------------------------*/
void vPortEndScheduler( void )
{
/* It is unlikely that the ARM port will require this function as there
is nothing to return to. */
}
/*-----------------------------------------------------------*/
static __arm void vPortTickISR( void )
{
volatile uint32_t ulDummy;
/* Increment the tick count - which may wake some tasks but as the
preemptive scheduler is not being used any woken task is not given
processor time no matter what its priority. */
if( xTaskIncrementTick() != pdFALSE )
{
vTaskSwitchContext();
}
/* Clear the PIT interrupt. */
ulDummy = AT91C_BASE_PITC->PITC_PIVR;
/* To remove compiler warning. */
( void ) ulDummy;
/* The AIC is cleared in the asm wrapper, outside of this function. */
}
/*-----------------------------------------------------------*/
static void prvSetupTimerInterrupt( void )
{
const uint32_t ulPeriodIn_uS = ( 1.0 / ( double ) configTICK_RATE_HZ ) * port1SECOND_IN_uS;
/* Setup the PIT for the required frequency. */
PIT_Init( ulPeriodIn_uS, BOARD_MCK / port1MHz_IN_Hz );
/* Setup the PIT interrupt. */
AIC_DisableIT( AT91C_ID_SYS );
AIC_ConfigureIT( AT91C_ID_SYS, AT91C_AIC_PRIOR_LOWEST, vPortTickISR );
AIC_EnableIT( AT91C_ID_SYS );
PIT_EnableIT();
}
/*-----------------------------------------------------------*/
void vPortEnterCritical( void )
{
/* Disable interrupts first! */
__disable_irq();
/* Now interrupts are disabled ulCriticalNesting can be accessed
directly. Increment ulCriticalNesting to keep a count of how many times
portENTER_CRITICAL() has been called. */
ulCriticalNesting++;
}
/*-----------------------------------------------------------*/
void vPortExitCritical( void )
{
if( ulCriticalNesting > portNO_CRITICAL_NESTING )
{
/* Decrement the nesting count as we are leaving a critical section. */
ulCriticalNesting--;
/* If the nesting level has reached zero then interrupts should be
re-enabled. */
if( ulCriticalNesting == portNO_CRITICAL_NESTING )
{
__enable_irq();
}
}
}
/*-----------------------------------------------------------*/
/*
* FreeRTOS Kernel <DEVELOPMENT BRANCH>
* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* https://www.FreeRTOS.org
* https://github.com/FreeRTOS
*
*/
/*-----------------------------------------------------------
* Implementation of functions defined in portable.h for the Atmel ARM7 port.
*----------------------------------------------------------*/
/* Standard includes. */
#include <stdlib.h>
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "task.h"
/* Hardware includes. */
#include <board.h>
#include <pio/pio.h>
#include <pio/pio_it.h>
#include <pit/pit.h>
#include <aic/aic.h>
#include <tc/tc.h>
#include <utility/led.h>
#include <utility/trace.h>
/*-----------------------------------------------------------*/
/* Constants required to setup the initial stack. */
#define portINITIAL_SPSR ( ( StackType_t ) 0x1f ) /* System mode, ARM mode, interrupts enabled. */
#define portTHUMB_MODE_BIT ( ( StackType_t ) 0x20 )
#define portINSTRUCTION_SIZE ( ( StackType_t ) 4 )
/* Constants required to setup the PIT. */
#define port1MHz_IN_Hz ( 1000000ul )
#define port1SECOND_IN_uS ( 1000000.0 )
/* Constants required to handle critical sections. */
#define portNO_CRITICAL_NESTING ( ( uint32_t ) 0 )
#define portINT_LEVEL_SENSITIVE 0
#define portPIT_ENABLE ( ( uint16_t ) 0x1 << 24 )
#define portPIT_INT_ENABLE ( ( uint16_t ) 0x1 << 25 )
/*-----------------------------------------------------------*/
/* Setup the PIT to generate the tick interrupts. */
static void prvSetupTimerInterrupt( void );
/* The PIT interrupt handler - the RTOS tick. */
static void vPortTickISR( void );
/* ulCriticalNesting will get set to zero when the first task starts. It
cannot be initialised to 0 as this will cause interrupts to be enabled
during the kernel initialisation process. */
uint32_t ulCriticalNesting = ( uint32_t ) 9999;
/*-----------------------------------------------------------*/
/*
* Initialise the stack of a task to look exactly as if a call to
* portSAVE_CONTEXT had been called.
*
* See header file for description.
*/
StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
{
StackType_t *pxOriginalTOS;
pxOriginalTOS = pxTopOfStack;
/* To ensure asserts in tasks.c don't fail, although in this case the assert
is not really required. */
pxTopOfStack--;
/* Setup the initial stack of the task. The stack is set exactly as
expected by the portRESTORE_CONTEXT() macro. */
/* First on the stack is the return address - which in this case is the
start of the task. The offset is added to make the return address appear
as it would within an IRQ ISR. */
*pxTopOfStack = ( StackType_t ) pxCode + portINSTRUCTION_SIZE;
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0xaaaaaaaa; /* R14 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) pxOriginalTOS; /* Stack used when task starts goes in R13. */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x12121212; /* R12 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x11111111; /* R11 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x10101010; /* R10 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x09090909; /* R9 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x08080808; /* R8 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x07070707; /* R7 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x06060606; /* R6 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x05050505; /* R5 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x04040404; /* R4 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x03030303; /* R3 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x02020202; /* R2 */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) 0x01010101; /* R1 */
pxTopOfStack--;
/* When the task starts is will expect to find the function parameter in
R0. */
*pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */
pxTopOfStack--;
/* The status register is set for system mode, with interrupts enabled. */
*pxTopOfStack = ( StackType_t ) portINITIAL_SPSR;
#ifdef THUMB_INTERWORK
{
/* We want the task to start in thumb mode. */
*pxTopOfStack |= portTHUMB_MODE_BIT;
}
#endif
pxTopOfStack--;
/* Interrupt flags cannot always be stored on the stack and will
instead be stored in a variable, which is then saved as part of the
tasks context. */
*pxTopOfStack = portNO_CRITICAL_NESTING;
return pxTopOfStack;
}
/*-----------------------------------------------------------*/
BaseType_t xPortStartScheduler( void )
{
extern void vPortStartFirstTask( void );
/* Start the timer that generates the tick ISR. Interrupts are disabled
here already. */
prvSetupTimerInterrupt();
/* Start the first task. */
vPortStartFirstTask();
/* Should not get here! */
return 0;
}
/*-----------------------------------------------------------*/
void vPortEndScheduler( void )
{
/* It is unlikely that the ARM port will require this function as there
is nothing to return to. */
}
/*-----------------------------------------------------------*/
static __arm void vPortTickISR( void )
{
volatile uint32_t ulDummy;
/* Increment the tick count - which may wake some tasks but as the
preemptive scheduler is not being used any woken task is not given
processor time no matter what its priority. */
if( xTaskIncrementTick() != pdFALSE )
{
vTaskSwitchContext();
}
/* Clear the PIT interrupt. */
ulDummy = AT91C_BASE_PITC->PITC_PIVR;
/* To remove compiler warning. */
( void ) ulDummy;
/* The AIC is cleared in the asm wrapper, outside of this function. */
}
/*-----------------------------------------------------------*/
static void prvSetupTimerInterrupt( void )
{
const uint32_t ulPeriodIn_uS = ( 1.0 / ( double ) configTICK_RATE_HZ ) * port1SECOND_IN_uS;
/* Setup the PIT for the required frequency. */
PIT_Init( ulPeriodIn_uS, BOARD_MCK / port1MHz_IN_Hz );
/* Setup the PIT interrupt. */
AIC_DisableIT( AT91C_ID_SYS );
AIC_ConfigureIT( AT91C_ID_SYS, AT91C_AIC_PRIOR_LOWEST, vPortTickISR );
AIC_EnableIT( AT91C_ID_SYS );
PIT_EnableIT();
}
/*-----------------------------------------------------------*/
void vPortEnterCritical( void )
{
/* Disable interrupts first! */
__disable_irq();
/* Now interrupts are disabled ulCriticalNesting can be accessed
directly. Increment ulCriticalNesting to keep a count of how many times
portENTER_CRITICAL() has been called. */
ulCriticalNesting++;
}
/*-----------------------------------------------------------*/
void vPortExitCritical( void )
{
if( ulCriticalNesting > portNO_CRITICAL_NESTING )
{
/* Decrement the nesting count as we are leaving a critical section. */
ulCriticalNesting--;
/* If the nesting level has reached zero then interrupts should be
re-enabled. */
if( ulCriticalNesting == portNO_CRITICAL_NESTING )
{
__enable_irq();
}
}
}
/*-----------------------------------------------------------*/

31
portable/IAR/AtmelSAM9XE/portasm.s79
View file

@ -25,13 +25,13 @@
; * https://github.com/FreeRTOS
; *
; */
RSEG ICODE:CODE
CODE32
RSEG ICODE:CODE
CODE32
EXTERN vTaskSwitchContext
EXTERN vTaskSwitchContext
PUBLIC vPortYieldProcessor
PUBLIC vPortStartFirstTask
PUBLIC vPortYieldProcessor
PUBLIC vPortStartFirstTask
#include "ISR_Support.h"
@ -40,22 +40,21 @@
; was created by pxPortInitialiseStack().
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
vPortStartFirstTask:
portRESTORE_CONTEXT
portRESTORE_CONTEXT
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Manual context switch function. This is the SWI hander.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
vPortYieldProcessor:
ADD LR, LR, #4 ; Add 4 to the LR to make the LR appear exactly
; as if the context was saved during and IRQ
; handler.
ADD LR, LR, #4 ; Add 4 to the LR to make the LR appear exactly
; as if the context was saved during and IRQ
; handler.
portSAVE_CONTEXT ; Save the context of the current task...
LDR R0, =vTaskSwitchContext ; before selecting the next task to execute.
mov lr, pc
BX R0
portRESTORE_CONTEXT ; Restore the context of the selected task.
portSAVE_CONTEXT ; Save the context of the current task...
LDR R0, =vTaskSwitchContext ; before selecting the next task to execute.
mov lr, pc
BX R0
portRESTORE_CONTEXT ; Restore the context of the selected task.
END
END

228
portable/IAR/AtmelSAM9XE/portmacro.h
View file

@ -1,115 +1,113 @@
/*
* FreeRTOS Kernel <DEVELOPMENT BRANCH>
* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* https://www.FreeRTOS.org
* https://github.com/FreeRTOS
*
*/
#ifndef PORTMACRO_H
#define PORTMACRO_H
#include <intrinsics.h>
#ifdef __cplusplus
extern "C" {
#endif
/*-----------------------------------------------------------
* Port specific definitions.
*
* The settings in this file configure FreeRTOS correctly for the
* given hardware and compiler.
*
* These settings should not be altered.
*-----------------------------------------------------------
*/
/* 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
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
#else
typedef uint32_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
#endif
/*-----------------------------------------------------------*/
/* Hardware specifics. */
#define portSTACK_GROWTH ( -1 )
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 8
#define portYIELD() asm ( "SWI 0" )
#define portNOP() asm ( "NOP" )
/*-----------------------------------------------------------*/
/* Critical section handling. */
__arm __interwork void vPortDisableInterruptsFromThumb( void );
__arm __interwork void vPortEnableInterruptsFromThumb( void );
__arm __interwork void vPortEnterCritical( void );
__arm __interwork void vPortExitCritical( void );
#define portDISABLE_INTERRUPTS() __disable_irq()
#define portENABLE_INTERRUPTS() __enable_irq()
#define portENTER_CRITICAL() vPortEnterCritical()
#define portEXIT_CRITICAL() vPortExitCritical()
/*-----------------------------------------------------------*/
/* Task utilities. */
#define portEND_SWITCHING_ISR( xSwitchRequired ) \
{ \
extern void vTaskSwitchContext( void ); \
\
if( xSwitchRequired ) \
{ \
vTaskSwitchContext(); \
} \
}
/*-----------------------------------------------------------*/
/* 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 )
#ifdef __cplusplus
}
#endif
#endif /* PORTMACRO_H */
/*
* FreeRTOS Kernel <DEVELOPMENT BRANCH>
* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* https://www.FreeRTOS.org
* https://github.com/FreeRTOS
*
*/
#ifndef PORTMACRO_H
#define PORTMACRO_H
#include <intrinsics.h>
#ifdef __cplusplus
extern "C" {
#endif
/*-----------------------------------------------------------
* Port specific definitions.
*
* The settings in this file configure FreeRTOS correctly for the
* given hardware and compiler.
*
* These settings should not be altered.
*-----------------------------------------------------------
*/
/* 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
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
#else
typedef uint32_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
#endif
/*-----------------------------------------------------------*/
/* Hardware specifics. */
#define portSTACK_GROWTH ( -1 )
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 8
#define portYIELD() asm ( "SWI 0" )
#define portNOP() asm ( "NOP" )
/*-----------------------------------------------------------*/
/* Critical section handling. */
__arm __interwork void vPortDisableInterruptsFromThumb( void );
__arm __interwork void vPortEnableInterruptsFromThumb( void );
__arm __interwork void vPortEnterCritical( void );
__arm __interwork void vPortExitCritical( void );
#define portDISABLE_INTERRUPTS() __disable_irq()
#define portENABLE_INTERRUPTS() __enable_irq()
#define portENTER_CRITICAL() vPortEnterCritical()
#define portEXIT_CRITICAL() vPortExitCritical()
/*-----------------------------------------------------------*/
/* Task utilities. */
#define portEND_SWITCHING_ISR( xSwitchRequired ) \
{ \
extern void vTaskSwitchContext( void ); \
\
if( xSwitchRequired ) \
{ \
vTaskSwitchContext(); \
} \
}
/*-----------------------------------------------------------*/
/* 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 )
#ifdef __cplusplus
}
#endif
#endif /* PORTMACRO_H */