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Paul Bartell 2022-11-29 10:36:04 -08:00 • committed by Paul Bartell
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401
portable/IAR/RXv2/port.c
View file

@ -1,202 +1,199 @@
/*
* 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 SH2A port.
*----------------------------------------------------------*/
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "task.h"
/* Library includes. */
#include "string.h"
/* Hardware specifics. */
#include <machine.h>
/*-----------------------------------------------------------*/
/* Tasks should start with interrupts enabled and in Supervisor mode, therefore
PSW is set with U and I set, and PM and IPL clear. */
#define portINITIAL_PSW ( ( StackType_t ) 0x00030000 )
#define portINITIAL_FPSW ( ( StackType_t ) 0x00000100 )
/*-----------------------------------------------------------*/
/*
* Function to start the first task executing - written in asm code as direct
* access to registers is required.
*/
extern void prvStartFirstTask( void );
/*
* The tick ISR handler. The peripheral used is configured by the application
* via a hook/callback function.
*/
__interrupt void vTickISR( void );
/*-----------------------------------------------------------*/
extern void *pxCurrentTCB;
/*-----------------------------------------------------------*/
/*
* See header file for description.
*/
StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
{
/* R0 is not included as it is the stack pointer. */
*pxTopOfStack = 0x00;
pxTopOfStack--;
*pxTopOfStack = portINITIAL_PSW;
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) pxCode;
/* When debugging it can be useful if every register is set to a known
value. Otherwise code space can be saved by just setting the registers
that need to be set. */
#ifdef USE_FULL_REGISTER_INITIALISATION
{
pxTopOfStack--;
*pxTopOfStack = 0xffffffff; /* r15. */
pxTopOfStack--;
*pxTopOfStack = 0xeeeeeeee;
pxTopOfStack--;
*pxTopOfStack = 0xdddddddd;
pxTopOfStack--;
*pxTopOfStack = 0xcccccccc;
pxTopOfStack--;
*pxTopOfStack = 0xbbbbbbbb;
pxTopOfStack--;
*pxTopOfStack = 0xaaaaaaaa;
pxTopOfStack--;
*pxTopOfStack = 0x99999999;
pxTopOfStack--;
*pxTopOfStack = 0x88888888;
pxTopOfStack--;
*pxTopOfStack = 0x77777777;
pxTopOfStack--;
*pxTopOfStack = 0x66666666;
pxTopOfStack--;
*pxTopOfStack = 0x55555555;
pxTopOfStack--;
*pxTopOfStack = 0x44444444;
pxTopOfStack--;
*pxTopOfStack = 0x33333333;
pxTopOfStack--;
*pxTopOfStack = 0x22222222;
pxTopOfStack--;
}
#else
{
pxTopOfStack -= 15;
}
#endif
*pxTopOfStack = ( StackType_t ) pvParameters; /* R1 */
pxTopOfStack--;
*pxTopOfStack = portINITIAL_FPSW;
pxTopOfStack--;
*pxTopOfStack = 0x11111111; /* Accumulator 0. */
pxTopOfStack--;
*pxTopOfStack = 0x22222222; /* Accumulator 0. */
pxTopOfStack--;
*pxTopOfStack = 0x33333333; /* Accumulator 0. */
pxTopOfStack--;
*pxTopOfStack = 0x44444444; /* Accumulator 1. */
pxTopOfStack--;
*pxTopOfStack = 0x55555555; /* Accumulator 1. */
pxTopOfStack--;
*pxTopOfStack = 0x66666666; /* Accumulator 1. */
return pxTopOfStack;
}
/*-----------------------------------------------------------*/
BaseType_t xPortStartScheduler( void )
{
extern void vApplicationSetupTimerInterrupt( void );
/* Use pxCurrentTCB just so it does not get optimised away. */
if( pxCurrentTCB != NULL )
{
/* Call an application function to set up the timer that will generate the
tick interrupt. This way the application can decide which peripheral to
use. A demo application is provided to show a suitable example. */
vApplicationSetupTimerInterrupt();
/* Enable the software interrupt. */
_IEN( _ICU_SWINT ) = 1;
/* Ensure the software interrupt is clear. */
_IR( _ICU_SWINT ) = 0;
/* Ensure the software interrupt is set to the kernel priority. */
_IPR( _ICU_SWINT ) = configKERNEL_INTERRUPT_PRIORITY;
/* Start the first task. */
prvStartFirstTask();
}
/* Should not get here. */
return pdFAIL;
}
/*-----------------------------------------------------------*/
#pragma vector = configTICK_VECTOR
__interrupt void vTickISR( void )
{
/* Re-enable interrupts. */
__enable_interrupt();
/* Increment the tick, and perform any processing the new tick value
necessitates. */
__set_interrupt_level( configMAX_SYSCALL_INTERRUPT_PRIORITY );
{
if( xTaskIncrementTick() != pdFALSE )
{
taskYIELD();
}
}
__set_interrupt_level( configKERNEL_INTERRUPT_PRIORITY );
}
/*-----------------------------------------------------------*/
void vPortEndScheduler( void )
{
/* Not implemented in ports where there is nothing to return to.
Artificially force an assert. */
configASSERT( pxCurrentTCB == NULL );
}
/*-----------------------------------------------------------*/
/*
* 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 SH2A port.
*----------------------------------------------------------*/
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "task.h"
/* Library includes. */
#include "string.h"
/* Hardware specifics. */
#include <machine.h>
/*-----------------------------------------------------------*/
/* Tasks should start with interrupts enabled and in Supervisor mode, therefore
PSW is set with U and I set, and PM and IPL clear. */
#define portINITIAL_PSW ( ( StackType_t ) 0x00030000 )
#define portINITIAL_FPSW ( ( StackType_t ) 0x00000100 )
/*-----------------------------------------------------------*/
/*
* Function to start the first task executing - written in asm code as direct
* access to registers is required.
*/
extern void prvStartFirstTask( void );
/*
* The tick ISR handler. The peripheral used is configured by the application
* via a hook/callback function.
*/
__interrupt void vTickISR( void );
/*-----------------------------------------------------------*/
extern void *pxCurrentTCB;
/*-----------------------------------------------------------*/
/*
* See header file for description.
*/
StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
{
/* R0 is not included as it is the stack pointer. */
*pxTopOfStack = 0x00;
pxTopOfStack--;
*pxTopOfStack = portINITIAL_PSW;
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) pxCode;
/* When debugging it can be useful if every register is set to a known
value. Otherwise code space can be saved by just setting the registers
that need to be set. */
#ifdef USE_FULL_REGISTER_INITIALISATION
{
pxTopOfStack--;
*pxTopOfStack = 0xffffffff; /* r15. */
pxTopOfStack--;
*pxTopOfStack = 0xeeeeeeee;
pxTopOfStack--;
*pxTopOfStack = 0xdddddddd;
pxTopOfStack--;
*pxTopOfStack = 0xcccccccc;
pxTopOfStack--;
*pxTopOfStack = 0xbbbbbbbb;
pxTopOfStack--;
*pxTopOfStack = 0xaaaaaaaa;
pxTopOfStack--;
*pxTopOfStack = 0x99999999;
pxTopOfStack--;
*pxTopOfStack = 0x88888888;
pxTopOfStack--;
*pxTopOfStack = 0x77777777;
pxTopOfStack--;
*pxTopOfStack = 0x66666666;
pxTopOfStack--;
*pxTopOfStack = 0x55555555;
pxTopOfStack--;
*pxTopOfStack = 0x44444444;
pxTopOfStack--;
*pxTopOfStack = 0x33333333;
pxTopOfStack--;
*pxTopOfStack = 0x22222222;
pxTopOfStack--;
}
#else
{
pxTopOfStack -= 15;
}
#endif
*pxTopOfStack = ( StackType_t ) pvParameters; /* R1 */
pxTopOfStack--;
*pxTopOfStack = portINITIAL_FPSW;
pxTopOfStack--;
*pxTopOfStack = 0x11111111; /* Accumulator 0. */
pxTopOfStack--;
*pxTopOfStack = 0x22222222; /* Accumulator 0. */
pxTopOfStack--;
*pxTopOfStack = 0x33333333; /* Accumulator 0. */
pxTopOfStack--;
*pxTopOfStack = 0x44444444; /* Accumulator 1. */
pxTopOfStack--;
*pxTopOfStack = 0x55555555; /* Accumulator 1. */
pxTopOfStack--;
*pxTopOfStack = 0x66666666; /* Accumulator 1. */
return pxTopOfStack;
}
/*-----------------------------------------------------------*/
BaseType_t xPortStartScheduler( void )
{
extern void vApplicationSetupTimerInterrupt( void );
/* Use pxCurrentTCB just so it does not get optimised away. */
if( pxCurrentTCB != NULL )
{
/* Call an application function to set up the timer that will generate the
tick interrupt. This way the application can decide which peripheral to
use. A demo application is provided to show a suitable example. */
vApplicationSetupTimerInterrupt();
/* Enable the software interrupt. */
_IEN( _ICU_SWINT ) = 1;
/* Ensure the software interrupt is clear. */
_IR( _ICU_SWINT ) = 0;
/* Ensure the software interrupt is set to the kernel priority. */
_IPR( _ICU_SWINT ) = configKERNEL_INTERRUPT_PRIORITY;
/* Start the first task. */
prvStartFirstTask();
}
/* Should not get here. */
return pdFAIL;
}
/*-----------------------------------------------------------*/
#pragma vector = configTICK_VECTOR
__interrupt void vTickISR( void )
{
/* Re-enable interrupts. */
__enable_interrupt();
/* Increment the tick, and perform any processing the new tick value
necessitates. */
__set_interrupt_level( configMAX_SYSCALL_INTERRUPT_PRIORITY );
{
if( xTaskIncrementTick() != pdFALSE )
{
taskYIELD();
}
}
__set_interrupt_level( configKERNEL_INTERRUPT_PRIORITY );
}
/*-----------------------------------------------------------*/
void vPortEndScheduler( void )
{
/* Not implemented in ports where there is nothing to return to.
Artificially force an assert. */
configASSERT( pxCurrentTCB == NULL );
}
/*-----------------------------------------------------------*/

401
portable/IAR/RXv2/port_asm.s
View file

@ -1,201 +1,200 @@
/*
* 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
*
*/
#include "PriorityDefinitions.h"
PUBLIC _prvStartFirstTask
PUBLIC ___interrupt_27
EXTERN _pxCurrentTCB
EXTERN _vTaskSwitchContext
RSEG CODE:CODE(4)
_prvStartFirstTask:
/* When starting the scheduler there is nothing that needs moving to the
interrupt stack because the function is not called from an interrupt.
Just ensure the current stack is the user stack. */
SETPSW U
/* Obtain the location of the stack associated with which ever task
pxCurrentTCB is currently pointing to. */
MOV.L #_pxCurrentTCB, R15
MOV.L [R15], R15
MOV.L [R15], R0
/* Restore the registers from the stack of the task pointed to by
pxCurrentTCB. */
POP R15
/* Accumulator low 32 bits. */
MVTACLO R15, A0
POP R15
/* Accumulator high 32 bits. */
MVTACHI R15, A0
POP R15
/* Accumulator guard. */
MVTACGU R15, A0
POP R15
/* Accumulator low 32 bits. */
MVTACLO R15, A1
POP R15
/* Accumulator high 32 bits. */
MVTACHI R15, A1
POP R15
/* Accumulator guard. */
MVTACGU R15, A1
POP R15
/* Floating point status word. */
MVTC R15, FPSW
/* R1 to R15 - R0 is not included as it is the SP. */
POPM R1-R15
/* This pops the remaining registers. */
RTE
NOP
NOP
/*-----------------------------------------------------------*/
/* The software interrupt - overwrite the default 'weak' definition. */
___interrupt_27:
/* Re-enable interrupts. */
SETPSW I
/* Move the data that was automatically pushed onto the interrupt stack when
the interrupt occurred from the interrupt stack to the user stack.
R15 is saved before it is clobbered. */
PUSH.L R15
/* Read the user stack pointer. */
MVFC USP, R15
/* Move the address down to the data being moved. */
SUB #12, R15
MVTC R15, USP
/* Copy the data across, R15, then PC, then PSW. */
MOV.L [ R0 ], [ R15 ]
MOV.L 4[ R0 ], 4[ R15 ]
MOV.L 8[ R0 ], 8[ R15 ]
/* Move the interrupt stack pointer to its new correct position. */
ADD #12, R0
/* All the rest of the registers are saved directly to the user stack. */
SETPSW U
/* Save the rest of the general registers (R15 has been saved already). */
PUSHM R1-R14
/* Save the FPSW and accumulator. */
MVFC FPSW, R15
PUSH.L R15
MVFACGU #0, A1, R15
PUSH.L R15
MVFACHI #0, A1, R15
PUSH.L R15
/* Low order word. */
MVFACLO #0, A1, R15
PUSH.L R15
MVFACGU #0, A0, R15
PUSH.L R15
MVFACHI #0, A0, R15
PUSH.L R15
/* Low order word. */
MVFACLO #0, A0, R15
PUSH.L R15
/* Save the stack pointer to the TCB. */
MOV.L #_pxCurrentTCB, R15
MOV.L [ R15 ], R15
MOV.L R0, [ R15 ]
/* Ensure the interrupt mask is set to the syscall priority while the kernel
structures are being accessed. */
MVTIPL #configMAX_SYSCALL_INTERRUPT_PRIORITY
/* Select the next task to run. */
BSR.A _vTaskSwitchContext
/* Reset the interrupt mask as no more data structure access is required. */
MVTIPL #configKERNEL_INTERRUPT_PRIORITY
/* Load the stack pointer of the task that is now selected as the Running
state task from its TCB. */
MOV.L #_pxCurrentTCB,R15
MOV.L [ R15 ], R15
MOV.L [ R15 ], R0
/* Restore the context of the new task. The PSW (Program Status Word) and
PC will be popped by the RTE instruction. */
POP R15
/* Accumulator low 32 bits. */
MVTACLO R15, A0
POP R15
/* Accumulator high 32 bits. */
MVTACHI R15, A0
POP R15
/* Accumulator guard. */
MVTACGU R15, A0
POP R15
/* Accumulator low 32 bits. */
MVTACLO R15, A1
POP R15
/* Accumulator high 32 bits. */
MVTACHI R15, A1
POP R15
/* Accumulator guard. */
MVTACGU R15, A1
POP R15
MVTC R15, FPSW
POPM R1-R15
RTE
NOP
NOP
/*-----------------------------------------------------------*/
END
/*
* 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
*
*/
#include "PriorityDefinitions.h"
PUBLIC _prvStartFirstTask
PUBLIC ___interrupt_27
EXTERN _pxCurrentTCB
EXTERN _vTaskSwitchContext
RSEG CODE:CODE(4)
_prvStartFirstTask:
/* When starting the scheduler there is nothing that needs moving to the
interrupt stack because the function is not called from an interrupt.
Just ensure the current stack is the user stack. */
SETPSW U
/* Obtain the location of the stack associated with which ever task
pxCurrentTCB is currently pointing to. */
MOV.L #_pxCurrentTCB, R15
MOV.L [R15], R15
MOV.L [R15], R0
/* Restore the registers from the stack of the task pointed to by
pxCurrentTCB. */
POP R15
/* Accumulator low 32 bits. */
MVTACLO R15, A0
POP R15
/* Accumulator high 32 bits. */
MVTACHI R15, A0
POP R15
/* Accumulator guard. */
MVTACGU R15, A0
POP R15
/* Accumulator low 32 bits. */
MVTACLO R15, A1
POP R15
/* Accumulator high 32 bits. */
MVTACHI R15, A1
POP R15
/* Accumulator guard. */
MVTACGU R15, A1
POP R15
/* Floating point status word. */
MVTC R15, FPSW
/* R1 to R15 - R0 is not included as it is the SP. */
POPM R1-R15
/* This pops the remaining registers. */
RTE
NOP
NOP
/*-----------------------------------------------------------*/
/* The software interrupt - overwrite the default 'weak' definition. */
___interrupt_27:
/* Re-enable interrupts. */
SETPSW I
/* Move the data that was automatically pushed onto the interrupt stack when
the interrupt occurred from the interrupt stack to the user stack.
R15 is saved before it is clobbered. */
PUSH.L R15
/* Read the user stack pointer. */
MVFC USP, R15
/* Move the address down to the data being moved. */
SUB #12, R15
MVTC R15, USP
/* Copy the data across, R15, then PC, then PSW. */
MOV.L [ R0 ], [ R15 ]
MOV.L 4[ R0 ], 4[ R15 ]
MOV.L 8[ R0 ], 8[ R15 ]
/* Move the interrupt stack pointer to its new correct position. */
ADD #12, R0
/* All the rest of the registers are saved directly to the user stack. */
SETPSW U
/* Save the rest of the general registers (R15 has been saved already). */
PUSHM R1-R14
/* Save the FPSW and accumulator. */
MVFC FPSW, R15
PUSH.L R15
MVFACGU #0, A1, R15
PUSH.L R15
MVFACHI #0, A1, R15
PUSH.L R15
/* Low order word. */
MVFACLO #0, A1, R15
PUSH.L R15
MVFACGU #0, A0, R15
PUSH.L R15
MVFACHI #0, A0, R15
PUSH.L R15
/* Low order word. */
MVFACLO #0, A0, R15
PUSH.L R15
/* Save the stack pointer to the TCB. */
MOV.L #_pxCurrentTCB, R15
MOV.L [ R15 ], R15
MOV.L R0, [ R15 ]
/* Ensure the interrupt mask is set to the syscall priority while the kernel
structures are being accessed. */
MVTIPL #configMAX_SYSCALL_INTERRUPT_PRIORITY
/* Select the next task to run. */
BSR.A _vTaskSwitchContext
/* Reset the interrupt mask as no more data structure access is required. */
MVTIPL #configKERNEL_INTERRUPT_PRIORITY
/* Load the stack pointer of the task that is now selected as the Running
state task from its TCB. */
MOV.L #_pxCurrentTCB,R15
MOV.L [ R15 ], R15
MOV.L [ R15 ], R0
/* Restore the context of the new task. The PSW (Program Status Word) and
PC will be popped by the RTE instruction. */
POP R15
/* Accumulator low 32 bits. */
MVTACLO R15, A0
POP R15
/* Accumulator high 32 bits. */
MVTACHI R15, A0
POP R15
/* Accumulator guard. */
MVTACGU R15, A0
POP R15
/* Accumulator low 32 bits. */
MVTACLO R15, A1
POP R15
/* Accumulator high 32 bits. */
MVTACHI R15, A1
POP R15
/* Accumulator guard. */
MVTACGU R15, A1
POP R15
MVTC R15, FPSW
POPM R1-R15
RTE
NOP
NOP
/*-----------------------------------------------------------*/
END

289
portable/IAR/RXv2/portmacro.h
View file

@ -1,145 +1,144 @@
/*
* 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 - these are a bit legacy and not really used now, other than
portSTACK_TYPE and portBASE_TYPE. */
#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
/* 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. */
#define portTICK_TYPE_IS_ATOMIC 1
#endif
/*-----------------------------------------------------------*/
/* Hardware specifics. */
#define portBYTE_ALIGNMENT 8 /* Could make four, according to manual. */
#define portSTACK_GROWTH -1
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portNOP() __no_operation()
/* Yield equivalent to "*portITU_SWINTR = 0x01; ( void ) *portITU_SWINTR;"
where portITU_SWINTR is the location of the software interrupt register
(0x000872E0). Don't rely on the assembler to select a register, so instead
save and restore clobbered registers manually. */
#define portYIELD() \
__asm volatile \
( \
"PUSH.L R10 \n" \
"MOV.L #0x872E0, R10 \n" \
"MOV.B #0x1, [R10] \n" \
"MOV.L [R10], R10 \n" \
"POP R10 \n" \
)
#define portYIELD_FROM_ISR( x ) do { if( ( x ) != pdFALSE ) portYIELD(); } while( 0 )
/* These macros should not be called directly, but through the
taskENTER_CRITICAL() and taskEXIT_CRITICAL() macros. An extra check is
performed if configASSERT() is defined to ensure an assertion handler does not
inadvertently attempt to lower the IPL when the call to assert was triggered
because the IPL value was found to be above configMAX_SYSCALL_INTERRUPT_PRIORITY
when an ISR safe FreeRTOS API function was executed. ISR safe FreeRTOS API
functions are those that end in FromISR. FreeRTOS maintains a separate
interrupt API to ensure API function and interrupt entry is as fast and as
simple as possible. */
#define portENABLE_INTERRUPTS() __set_interrupt_level( ( uint8_t ) 0 )
#ifdef configASSERT
#define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() configASSERT( ( __get_interrupt_level() <= configMAX_SYSCALL_INTERRUPT_PRIORITY ) )
#define portDISABLE_INTERRUPTS() if( __get_interrupt_level() < configMAX_SYSCALL_INTERRUPT_PRIORITY ) __set_interrupt_level( ( uint8_t ) configMAX_SYSCALL_INTERRUPT_PRIORITY )
#else
#define portDISABLE_INTERRUPTS() __set_interrupt_level( ( uint8_t ) configMAX_SYSCALL_INTERRUPT_PRIORITY )
#endif
/* Critical nesting counts are stored in the TCB. */
#define portCRITICAL_NESTING_IN_TCB ( 1 )
/* The critical nesting functions defined within tasks.c. */
extern void vTaskEnterCritical( void );
extern void vTaskExitCritical( void );
#define portENTER_CRITICAL() vTaskEnterCritical()
#define portEXIT_CRITICAL() vTaskExitCritical()
/* As this port allows interrupt nesting... */
#define portSET_INTERRUPT_MASK_FROM_ISR() __get_interrupt_level(); portDISABLE_INTERRUPTS()
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus ) __set_interrupt_level( ( uint8_t ) ( uxSavedInterruptStatus ) )
/*-----------------------------------------------------------*/
/* 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 )
/* Prevent warnings of undefined behaviour: the order of volatile accesses is
undefined - all warnings have been manually checked and are not an issue, and
the warnings cannot be prevent by code changes without undesirable effects. */
#pragma diag_suppress=Pa082
#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 - these are a bit legacy and not really used now, other than
portSTACK_TYPE and portBASE_TYPE. */
#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
/* 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. */
#define portTICK_TYPE_IS_ATOMIC 1
#endif
/*-----------------------------------------------------------*/
/* Hardware specifics. */
#define portBYTE_ALIGNMENT 8 /* Could make four, according to manual. */
#define portSTACK_GROWTH -1
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portNOP() __no_operation()
/* Yield equivalent to "*portITU_SWINTR = 0x01; ( void ) *portITU_SWINTR;"
where portITU_SWINTR is the location of the software interrupt register
(0x000872E0). Don't rely on the assembler to select a register, so instead
save and restore clobbered registers manually. */
#define portYIELD() \
__asm volatile \
( \
"PUSH.L R10 \n" \
"MOV.L #0x872E0, R10 \n" \
"MOV.B #0x1, [R10] \n" \
"MOV.L [R10], R10 \n" \
"POP R10 \n" \
)
#define portYIELD_FROM_ISR( x ) do { if( ( x ) != pdFALSE ) portYIELD(); } while( 0 )
/* These macros should not be called directly, but through the
taskENTER_CRITICAL() and taskEXIT_CRITICAL() macros. An extra check is
performed if configASSERT() is defined to ensure an assertion handler does not
inadvertently attempt to lower the IPL when the call to assert was triggered
because the IPL value was found to be above configMAX_SYSCALL_INTERRUPT_PRIORITY
when an ISR safe FreeRTOS API function was executed. ISR safe FreeRTOS API
functions are those that end in FromISR. FreeRTOS maintains a separate
interrupt API to ensure API function and interrupt entry is as fast and as
simple as possible. */
#define portENABLE_INTERRUPTS() __set_interrupt_level( ( uint8_t ) 0 )
#ifdef configASSERT
#define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() configASSERT( ( __get_interrupt_level() <= configMAX_SYSCALL_INTERRUPT_PRIORITY ) )
#define portDISABLE_INTERRUPTS() if( __get_interrupt_level() < configMAX_SYSCALL_INTERRUPT_PRIORITY ) __set_interrupt_level( ( uint8_t ) configMAX_SYSCALL_INTERRUPT_PRIORITY )
#else
#define portDISABLE_INTERRUPTS() __set_interrupt_level( ( uint8_t ) configMAX_SYSCALL_INTERRUPT_PRIORITY )
#endif
/* Critical nesting counts are stored in the TCB. */
#define portCRITICAL_NESTING_IN_TCB ( 1 )
/* The critical nesting functions defined within tasks.c. */
extern void vTaskEnterCritical( void );
extern void vTaskExitCritical( void );
#define portENTER_CRITICAL() vTaskEnterCritical()
#define portEXIT_CRITICAL() vTaskExitCritical()
/* As this port allows interrupt nesting... */
#define portSET_INTERRUPT_MASK_FROM_ISR() __get_interrupt_level(); portDISABLE_INTERRUPTS()
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus ) __set_interrupt_level( ( uint8_t ) ( uxSavedInterruptStatus ) )
/*-----------------------------------------------------------*/
/* 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 )
/* Prevent warnings of undefined behaviour: the order of volatile accesses is
undefined - all warnings have been manually checked and are not an issue, and
the warnings cannot be prevent by code changes without undesirable effects. */
#pragma diag_suppress=Pa082
#ifdef __cplusplus
}
#endif
#endif /* PORTMACRO_H */

1
portable/IAR/RXv2/readme.txt
View file

@ -69,4 +69,3 @@ It contains two definitions of interrupt priority like the following.
For more information about Renesas RX MCUs, please visit the following URL:
https://www.renesas.com/products/microcontrollers-microprocessors/rx.html