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Moved proj up

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This commit is contained in:
Timo Niemann
2026-06-04 10:21:56 +02:00
parent aea013305e
commit 99fb345151
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FreeRTOS/portable/GCC/RL78/isr_support.h
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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
*
*/
/* Variables used by scheduler */
.extern _pxCurrentTCB
.extern _usCriticalNesting
/*
* portSAVE_CONTEXT MACRO
* Saves the context of the general purpose registers, CS and ES (only in far
* memory mode) registers the usCriticalNesting Value and the Stack Pointer
* of the active Task onto the task stack
*/
.macro portSAVE_CONTEXT
SEL RB0
/* Save AX Register to stack. */
PUSH AX
PUSH HL
/* Save CS register. */
MOV A, CS
XCH A, X
/* Save ES register. */
MOV A, ES
PUSH AX
/* Save the remaining general purpose registers from bank 0. */
PUSH DE
PUSH BC
/* Save the other register banks - only necessary in the GCC port. */
SEL RB1
PUSH AX
PUSH BC
PUSH DE
PUSH HL
SEL RB2
PUSH AX
PUSH BC
PUSH DE
PUSH HL
/* Registers in bank 3 are for ISR use only so don't need saving. */
SEL RB0
/* Save the usCriticalNesting value. */
MOVW AX, !_usCriticalNesting
PUSH AX
/* Save the Stack pointer. */
MOVW AX, !_pxCurrentTCB
MOVW HL, AX
MOVW AX, SP
MOVW[ HL ], AX
/* Switch stack pointers. */
movw sp, # _stack /* Set stack pointer */
.endm
/*
* portRESTORE_CONTEXT MACRO
* Restores the task Stack Pointer then use this to restore usCriticalNesting,
* general purpose registers and the CS and ES (only in far memory mode)
* of the selected task from the task stack
*/
.macro portRESTORE_CONTEXT MACRO
SEL RB0
/* Restore the Stack pointer. */
MOVW AX, !_pxCurrentTCB
MOVW HL, AX
MOVW AX, [ HL ]
MOVW SP, AX
/* Restore usCriticalNesting value. */
POP AX
MOVW !_usCriticalNesting, AX
/* Restore the alternative register banks - only necessary in the GCC
* port. Register bank 3 is dedicated for interrupts use so is not saved or
* restored. */
SEL RB2
POP HL
POP DE
POP BC
POP AX
SEL RB1
POP HL
POP DE
POP BC
POP AX
SEL RB0
/* Restore the necessary general purpose registers. */
POP BC
POP DE
/* Restore the ES register. */
POP AX
MOV ES, A
/* Restore the CS register. */
XCH A, X
MOV CS, A
/* Restore general purpose register HL. */
POP HL
/* Restore AX. */
POP AX
.endm
FreeRTOS/portable/GCC/RL78/port.c
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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
*
*/
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "task.h"
/* The critical nesting value is initialised to a non zero value to ensure
* interrupts don't accidentally become enabled before the scheduler is started. */
#define portINITIAL_CRITICAL_NESTING ( ( uint16_t ) 10 )
/* Initial PSW value allocated to a newly created task.
* 11000110
* ||||||||-------------- Fill byte
* |||||||--------------- Carry Flag cleared
* |||||----------------- In-service priority Flags set to low level
* ||||------------------ Register bank Select 0 Flag cleared
* |||------------------- Auxiliary Carry Flag cleared
* ||-------------------- Register bank Select 1 Flag cleared
* |--------------------- Zero Flag set
* ---------------------- Global Interrupt Flag set (enabled)
*/
#define portPSW ( 0xc6UL )
/* Each task maintains a count of the critical section nesting depth. Each time
* a critical section is entered the count is incremented. Each time a critical
* section is exited the count is decremented - with interrupts only being
* re-enabled if the count is zero.
*
* usCriticalNesting will get set to zero when the scheduler starts, but must
* not be initialised to zero as that could cause problems during the startup
* sequence. */
volatile uint16_t usCriticalNesting = portINITIAL_CRITICAL_NESTING;
/*-----------------------------------------------------------*/
/*
* Sets up the periodic ISR used for the RTOS tick.
*/
__attribute__( ( weak ) ) void vApplicationSetupTimerInterrupt( void );
/*
* Starts the scheduler by loading the context of the first task to run.
* (defined in portasm.S).
*/
extern void vPortStartFirstTask( void );
/*-----------------------------------------------------------*/
/*
* 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 )
{
uint32_t * pulLocal;
/* Stack type and pointers to the stack type are both 2 bytes. */
/* Parameters are passed in on the stack, and written using a 32bit value
* hence a space is left for the second two bytes. */
pxTopOfStack--;
/* Write in the parameter value. */
pulLocal = ( uint32_t * ) pxTopOfStack;
*pulLocal = ( StackType_t ) pvParameters;
pxTopOfStack--;
/* The return address, leaving space for the first two bytes of the
* 32-bit value. */
pxTopOfStack--;
pulLocal = ( uint32_t * ) pxTopOfStack;
*pulLocal = ( uint32_t ) 0;
pxTopOfStack--;
/* The start address / PSW value is also written in as a 32bit value,
* so leave a space for the second two bytes. */
pxTopOfStack--;
/* Task function start address combined with the PSW. */
pulLocal = ( uint32_t * ) pxTopOfStack;
*pulLocal = ( ( ( uint32_t ) pxCode ) | ( portPSW << 24UL ) );
pxTopOfStack--;
/* An initial value for the AX register. */
*pxTopOfStack = ( StackType_t ) 0x1111;
pxTopOfStack--;
/* An initial value for the HL register. */
*pxTopOfStack = ( StackType_t ) 0x2222;
pxTopOfStack--;
/* CS and ES registers. */
*pxTopOfStack = ( StackType_t ) 0x0F00;
pxTopOfStack--;
/* The remaining general purpose registers bank 0 (DE and BC) and the other
* two register banks...register bank 3 is dedicated for use by interrupts so
* is not saved as part of the task context. */
pxTopOfStack -= 10;
/* Finally the critical section nesting count is set to zero when the task
* first starts. */
*pxTopOfStack = ( StackType_t ) portNO_CRITICAL_SECTION_NESTING;
/* Return a pointer to the top of the stack that has been generated so it
* can be stored in the task control block for the task. */
return pxTopOfStack;
}
/*-----------------------------------------------------------*/
BaseType_t xPortStartScheduler( void )
{
/* Setup the hardware to generate the tick. Interrupts are disabled when
* this function is called. */
vApplicationSetupTimerInterrupt();
/* Restore the context of the first task that is going to run. */
vPortStartFirstTask();
/* Execution should not reach here as the tasks are now running! */
return pdTRUE;
}
/*-----------------------------------------------------------*/
void vPortEndScheduler( void )
{
/* It is unlikely that the RL78 port will get stopped. */
}
/*-----------------------------------------------------------*/
__attribute__( ( weak ) ) void vApplicationSetupTimerInterrupt( void )
{
const uint16_t usClockHz = 15000UL; /* Internal clock. */
const uint16_t usCompareMatch = ( usClockHz / configTICK_RATE_HZ ) + 1UL;
/* Use the internal 15K clock. */
OSMC = ( unsigned char ) 0x16;
#ifdef RTCEN
{
/* Supply the interval timer clock. */
RTCEN = ( unsigned char ) 1U;
/* Disable INTIT interrupt. */
ITMK = ( unsigned char ) 1;
/* Disable ITMC operation. */
ITMC = ( unsigned char ) 0x0000;
/* Clear INIT interrupt. */
ITIF = ( unsigned char ) 0;
/* Set interval and enable interrupt operation. */
ITMC = usCompareMatch | 0x8000U;
/* Enable INTIT interrupt. */
ITMK = ( unsigned char ) 0;
}
#endif /* ifdef RTCEN */
#ifdef TMKAEN
{
/* Supply the interval timer clock. */
TMKAEN = ( unsigned char ) 1U;
/* Disable INTIT interrupt. */
TMKAMK = ( unsigned char ) 1;
/* Disable ITMC operation. */
ITMC = ( unsigned char ) 0x0000;
/* Clear INIT interrupt. */
TMKAIF = ( unsigned char ) 0;
/* Set interval and enable interrupt operation. */
ITMC = usCompareMatch | 0x8000U;
/* Enable INTIT interrupt. */
TMKAMK = ( unsigned char ) 0;
}
#endif /* ifdef TMKAEN */
}
/*-----------------------------------------------------------*/
FreeRTOS/portable/GCC/RL78/portasm.S
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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
*
*/
#include "FreeRTOSConfig.h"
#include "ISR_Support.h"
.global _vPortYield
.global _vPortStartFirstTask
.global _vPortTickISR
.extern _vTaskSwitchContext
.extern _xTaskIncrementTick
.text
.align 2
/* FreeRTOS yield handler. This is installed as the BRK software interrupt
handler. */
_vPortYield:
/* Save the context of the current task. */
portSAVE_CONTEXT
/* Call the scheduler to select the next task. */
call !!_vTaskSwitchContext
/* Restore the context of the next task to run. */
portRESTORE_CONTEXT
retb
/* Starts the scheduler by restoring the context of the task that will execute
first. */
.align 2
_vPortStartFirstTask:
/* Restore the context of whichever task will execute first. */
portRESTORE_CONTEXT
/* An interrupt stack frame is used so the task is started using RETI. */
reti
/* FreeRTOS tick handler. This is installed as the interval timer interrupt
handler. */
.align 2
_vPortTickISR:
/* Save the context of the currently executing task. */
portSAVE_CONTEXT
/* Call the RTOS tick function. */
call !!_xTaskIncrementTick
#if configUSE_PREEMPTION == 1
/* Select the next task to run. */
call !!_vTaskSwitchContext
#endif
/* Retore the context of whichever task will run next. */
portRESTORE_CONTEXT
reti
.end
FreeRTOS/portable/GCC/RL78/portmacro.h
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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
*
*/
#ifndef PORTMACRO_H
#define PORTMACRO_H
/*-----------------------------------------------------------
* 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 uint16_t
#define portBASE_TYPE short
#define portPOINTER_SIZE_TYPE uint16_t
typedef portSTACK_TYPE StackType_t;
typedef short BaseType_t;
typedef unsigned short 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 )
#else
#error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
#endif
/*-----------------------------------------------------------*/
/* Interrupt control macros. */
#define portDISABLE_INTERRUPTS() __asm volatile ( "DI" )
#define portENABLE_INTERRUPTS() __asm volatile ( "EI" )
/*-----------------------------------------------------------*/
/* Critical section control macros. */
#define portNO_CRITICAL_SECTION_NESTING ( ( unsigned short ) 0 )
#define portENTER_CRITICAL() \
{ \
extern volatile uint16_t usCriticalNesting; \
\
portDISABLE_INTERRUPTS(); \
\
/* Now that interrupts are disabled, ulCriticalNesting can be accessed */ \
/* directly. Increment ulCriticalNesting to keep a count of how many */ \
/* times portENTER_CRITICAL() has been called. */ \
usCriticalNesting++; \
}
#define portEXIT_CRITICAL() \
{ \
extern volatile uint16_t usCriticalNesting; \
\
if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING ) \
{ \
/* Decrement the nesting count as we are leaving a critical section. */ \
usCriticalNesting--; \
\
/* If the nesting level has reached zero then interrupts should be */ \
/* re-enabled. */ \
if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING ) \
{ \
portENABLE_INTERRUPTS(); \
} \
} \
}
/*-----------------------------------------------------------*/
/* Task utilities. */
#define portYIELD() __asm volatile ( "BRK" )
#ifndef configREQUIRE_ASM_ISR_WRAPPER
#define configREQUIRE_ASM_ISR_WRAPPER 1
#endif
#if( configREQUIRE_ASM_ISR_WRAPPER == 1 )
/* You must implement an assembly ISR wrapper (see the below for details) if you need an ISR to cause a context switch.
* https://www.freertos.org/Documentation/02-Kernel/03-Supported-devices/04-Demos/Renesas/RTOS_RL78_IAR_Demos#writing-interrupt-service-routines */
#define portYIELD_FROM_ISR( xHigherPriorityTaskWoken ) do { if( xHigherPriorityTaskWoken != pdFALSE ) vTaskSwitchContext(); } while( 0 )
#else
/* You must not implement an assembly ISR wrapper even if you need an ISR to cause a context switch.
* The portYIELD, which is similar to role of an assembly ISR wrapper, runs only when a context switch is required. */
#define portYIELD_FROM_ISR( xHigherPriorityTaskWoken ) do { if( xHigherPriorityTaskWoken != pdFALSE ) portYIELD(); } while( 0 )
#endif
#define portNOP() __asm volatile ( "NOP" )
/*-----------------------------------------------------------*/
/* Hardware specifics. */
#define portBYTE_ALIGNMENT 2
#define portSTACK_GROWTH ( -1 )
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
/*-----------------------------------------------------------*/
/* 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 )
#endif /* PORTMACRO_H */