Moved proj up

This commit is contained in:
Timo Niemann
2026-06-04 10:21:56 +02:00
parent aea013305e
commit 99fb345151
949 changed files with 0 additions and 0 deletions
@@ -0,0 +1,75 @@
;/*
; * FreeRTOS Kernel V11.3.0
; * 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
; *
; */
.macro portSAVE_CONTEXT
; Save r0 to r14 and pr.
movml.l r15, @-r15
; Save mac1, mach and gbr
sts.l macl, @-r15
sts.l mach, @-r15
stc.l gbr, @-r15
; Get the address of pxCurrentTCB
mov.l #_pxCurrentTCB, r0
; Get the address of pxTopOfStack from the TCB.
mov.l @r0, r0
; Save the stack pointer in pxTopOfStack.
mov.l r15, @r0
.endm
;-----------------------------------------------------------
.macro portRESTORE_CONTEXT
; Get the address of the pxCurrentTCB variable.
mov.l #_pxCurrentTCB, r0
; Get the address of the task stack from pxCurrentTCB.
mov.l @r0, r0
; Get the task stack itself into the stack pointer.
mov.l @r0, r15
; Restore system registers.
ldc.l @r15+, gbr
lds.l @r15+, mach
lds.l @r15+, macl
; Restore r0 to r14 and PR
movml.l @r15+, r15
; Pop the SR and PC to jump to the start of the task.
rte
nop
.endm
;-----------------------------------------------------------
+272
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/*
* FreeRTOS Kernel V11.3.0
* 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"
/*-----------------------------------------------------------*/
/* The SR assigned to a newly created task. The only important thing in this
* value is for all interrupts to be enabled. */
#define portINITIAL_SR ( 0UL )
/* Dimensions the array into which the floating point context is saved.
* Allocate enough space for FPR0 to FPR15, FPUL and FPSCR, each of which is 4
* bytes big. If this number is changed then the 72 in portasm.src also needs
* changing. */
#define portFLOP_REGISTERS_TO_STORE ( 18 )
#define portFLOP_STORAGE_SIZE ( portFLOP_REGISTERS_TO_STORE * 4 )
#if ( configSUPPORT_DYNAMIC_ALLOCATION == 0 )
#error configSUPPORT_DYNAMIC_ALLOCATION must be 1 to use this port.
#endif
/*-----------------------------------------------------------*/
/*
* The TRAPA handler used to force a context switch.
*/
void vPortYield( void );
/*
* Function to start the first task executing - defined in portasm.src.
*/
extern void vPortStartFirstTask( void );
/*
* Obtains the current GBR value - defined in portasm.src.
*/
extern uint32_t ulPortGetGBR( void );
/*-----------------------------------------------------------*/
/*
* See header file for description.
*/
StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
TaskFunction_t pxCode,
void * pvParameters )
{
/* Mark the end of the stack - used for debugging only and can be removed. */
*pxTopOfStack = 0x11111111UL;
pxTopOfStack--;
*pxTopOfStack = 0x22222222UL;
pxTopOfStack--;
*pxTopOfStack = 0x33333333UL;
pxTopOfStack--;
/* SR. */
*pxTopOfStack = portINITIAL_SR;
pxTopOfStack--;
/* PC. */
*pxTopOfStack = ( uint32_t ) pxCode;
pxTopOfStack--;
/* PR. */
*pxTopOfStack = 15;
pxTopOfStack--;
/* 14. */
*pxTopOfStack = 14;
pxTopOfStack--;
/* R13. */
*pxTopOfStack = 13;
pxTopOfStack--;
/* R12. */
*pxTopOfStack = 12;
pxTopOfStack--;
/* R11. */
*pxTopOfStack = 11;
pxTopOfStack--;
/* R10. */
*pxTopOfStack = 10;
pxTopOfStack--;
/* R9. */
*pxTopOfStack = 9;
pxTopOfStack--;
/* R8. */
*pxTopOfStack = 8;
pxTopOfStack--;
/* R7. */
*pxTopOfStack = 7;
pxTopOfStack--;
/* R6. */
*pxTopOfStack = 6;
pxTopOfStack--;
/* R5. */
*pxTopOfStack = 5;
pxTopOfStack--;
/* R4. */
*pxTopOfStack = ( uint32_t ) pvParameters;
pxTopOfStack--;
/* R3. */
*pxTopOfStack = 3;
pxTopOfStack--;
/* R2. */
*pxTopOfStack = 2;
pxTopOfStack--;
/* R1. */
*pxTopOfStack = 1;
pxTopOfStack--;
/* R0 */
*pxTopOfStack = 0;
pxTopOfStack--;
/* MACL. */
*pxTopOfStack = 16;
pxTopOfStack--;
/* MACH. */
*pxTopOfStack = 17;
pxTopOfStack--;
/* GBR. */
*pxTopOfStack = ulPortGetGBR();
/* GBR = global base register.
* VBR = vector base register.
* TBR = jump table base register.
* R15 is the stack pointer. */
return pxTopOfStack;
}
/*-----------------------------------------------------------*/
BaseType_t xPortStartScheduler( void )
{
extern void vApplicationSetupTimerInterrupt( void );
/* 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();
/* Start the first task. This will only restore the standard registers and
* not the flop registers. This does not really matter though because the only
* flop register that is initialised to a particular value is fpscr, and it is
* only initialised to the current value, which will still be the current value
* when the first task starts executing. */
trapa( portSTART_SCHEDULER_TRAP_NO );
/* Should not get here. */
return pdFAIL;
}
/*-----------------------------------------------------------*/
void vPortEndScheduler( void )
{
/* Not implemented as there is nothing to return to. */
}
/*-----------------------------------------------------------*/
void vPortYield( void )
{
int32_t lInterruptMask;
/* Ensure the yield trap runs at the same priority as the other interrupts
* that can cause a context switch. */
lInterruptMask = get_imask();
/* taskYIELD() can only be called from a task, not an interrupt, so the
* current interrupt mask can only be 0 or portKERNEL_INTERRUPT_PRIORITY and
* the mask can be set without risk of accidentally lowering the mask value. */
set_imask( portKERNEL_INTERRUPT_PRIORITY );
trapa( portYIELD_TRAP_NO );
/* Restore the interrupt mask to whatever it was previously (when the
* function was entered). */
set_imask( ( int ) lInterruptMask );
}
/*-----------------------------------------------------------*/
BaseType_t xPortUsesFloatingPoint( TaskHandle_t xTask )
{
uint32_t * pulFlopBuffer;
BaseType_t xReturn;
extern void * volatile pxCurrentTCB;
/* This function tells the kernel that the task referenced by xTask is
* going to use the floating point registers and therefore requires the
* floating point registers saved as part of its context. */
/* Passing NULL as xTask is used to indicate that the calling task is the
* subject task - so pxCurrentTCB is the task handle. */
if( xTask == NULL )
{
xTask = ( TaskHandle_t ) pxCurrentTCB;
}
/* Allocate a buffer large enough to hold all the flop registers. */
pulFlopBuffer = ( uint32_t * ) pvPortMalloc( portFLOP_STORAGE_SIZE );
if( pulFlopBuffer != NULL )
{
/* Start with the registers in a benign state. */
memset( ( void * ) pulFlopBuffer, 0x00, portFLOP_STORAGE_SIZE );
/* The first thing to get saved in the buffer is the FPSCR value -
* initialise this to the current FPSCR value. */
*pulFlopBuffer = get_fpscr();
/* Use the task tag to point to the flop buffer. Pass pointer to just
* above the buffer because the flop save routine uses a pre-decrement. */
vTaskSetApplicationTaskTag( xTask, ( void * ) ( pulFlopBuffer + portFLOP_REGISTERS_TO_STORE ) );
xReturn = pdPASS;
}
else
{
xReturn = pdFAIL;
}
return xReturn;
}
/*-----------------------------------------------------------*/
@@ -0,0 +1,150 @@
;/*
; * FreeRTOS Kernel V11.3.0
; * 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
; *
; */
.import _pxCurrentTCB
.import _vTaskSwitchContext
.import _xTaskIncrementTick
.export _vPortStartFirstTask
.export _ulPortGetGBR
.export _vPortYieldHandler
.export _vPortPreemptiveTick
.export _vPortCooperativeTick
.export _vPortSaveFlopRegisters
.export _vPortRestoreFlopRegisters
.section P
.INCLUDE "ISR_Support.inc"
_vPortStartFirstTask:
portRESTORE_CONTEXT
;-----------------------------------------------------------
_vPortYieldHandler:
portSAVE_CONTEXT
mov.l #_vTaskSwitchContext, r0
jsr @r0
nop
portRESTORE_CONTEXT
;-----------------------------------------------------------
_vPortPreemptiveTick
portSAVE_CONTEXT
mov.l #_xTaskIncrementTick, r0
jsr @r0
nop
mov.l #_vTaskSwitchContext, r0
jsr @r0
nop
portRESTORE_CONTEXT
;-----------------------------------------------------------
_vPortCooperativeTick
portSAVE_CONTEXT
mov.l #_xTaskIncrementTick, r0
jsr @r0
nop
portRESTORE_CONTEXT
;-----------------------------------------------------------
_ulPortGetGBR:
stc.l gbr, r0
rts
nop
;-----------------------------------------------------------
_vPortSaveFlopRegisters:
fmov.s fr0, @-r4
fmov.s fr1, @-r4
fmov.s fr2, @-r4
fmov.s fr3, @-r4
fmov.s fr4, @-r4
fmov.s fr5, @-r4
fmov.s fr6, @-r4
fmov.s fr7, @-r4
fmov.s fr8, @-r4
fmov.s fr9, @-r4
fmov.s fr10, @-r4
fmov.s fr11, @-r4
fmov.s fr12, @-r4
fmov.s fr13, @-r4
fmov.s fr14, @-r4
fmov.s fr15, @-r4
sts.l fpul, @-r4
sts.l fpscr, @-r4
rts
nop
;-----------------------------------------------------------
_vPortRestoreFlopRegisters:
add.l #-72, r4
lds.l @r4+, fpscr
lds.l @r4+, fpul
fmov.s @r4+, fr15
fmov.s @r4+, fr14
fmov.s @r4+, fr13
fmov.s @r4+, fr12
fmov.s @r4+, fr11
fmov.s @r4+, fr10
fmov.s @r4+, fr9
fmov.s @r4+, fr8
fmov.s @r4+, fr7
fmov.s @r4+, fr6
fmov.s @r4+, fr5
fmov.s @r4+, fr4
fmov.s @r4+, fr3
fmov.s @r4+, fr2
fmov.s @r4+, fr1
fmov.s @r4+, fr0
rts
nop
.end
@@ -0,0 +1,143 @@
/*
* FreeRTOS Kernel V11.3.0
* 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 <machine.h>
/* *INDENT-OFF* */
#ifdef __cplusplus
extern "C" {
#endif
/* *INDENT-ON* */
/*-----------------------------------------------------------
* 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 ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
typedef uint16_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffff
#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
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
#define portSTACK_GROWTH -1
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portNOP() nop()
#define portSTART_SCHEDULER_TRAP_NO ( 32 )
#define portYIELD_TRAP_NO ( 33 )
#define portKERNEL_INTERRUPT_PRIORITY ( 1 )
void vPortYield( void );
#define portYIELD() vPortYield()
extern void vTaskSwitchContext( void );
#define portYIELD_FROM_ISR( x ) do { if( x != pdFALSE ) vTaskSwitchContext( ); } while( 0 )
/*
* This function tells the kernel that the task referenced by xTask is going to
* use the floating point registers and therefore requires the floating point
* registers saved as part of its context.
*/
BaseType_t xPortUsesFloatingPoint( void * xTask );
/*
* The flop save and restore functions are defined in portasm.src and called by
* the trace "task switched in" and "trace task switched out" macros.
*/
void vPortSaveFlopRegisters( void * pulBuffer );
void vPortRestoreFlopRegisters( void * pulBuffer );
/*
* pxTaskTag is used to point to the buffer into which the floating point
* context should be saved. If pxTaskTag is NULL then the task does not use
* a floating point context.
*/
#define traceTASK_SWITCHED_OUT() do { if( pxCurrentTCB->pxTaskTag != NULL ) vPortSaveFlopRegisters( pxCurrentTCB->pxTaskTag ); } while( 0 )
#define traceTASK_SWITCHED_IN() do { if( pxCurrentTCB->pxTaskTag != NULL ) vPortRestoreFlopRegisters( pxCurrentTCB->pxTaskTag ); } while( 0 )
/*
* These macros should be called directly, but through the taskENTER_CRITICAL()
* and taskEXIT_CRITICAL() macros.
*/
#define portENABLE_INTERRUPTS() set_imask( 0x00 )
#define portDISABLE_INTERRUPTS() set_imask( portKERNEL_INTERRUPT_PRIORITY )
/* 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();
/*-----------------------------------------------------------*/
/* 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 )
/* *INDENT-OFF* */
#ifdef __cplusplus
}
#endif
/* *INDENT-ON* */
#endif /* PORTMACRO_H */