Re-sync with upstream and stripping away none kernel related.

This commit is contained in:
Yuhui Zheng 2020-02-10 13:45:57 -08:00
parent 9c0c37ab9b
commit 210b1ffcc8
13732 changed files with 49 additions and 7054697 deletions

View file

@ -0,0 +1,150 @@
/*
* Copyright (C) 2017 C-SKY Microsystems Co., Ltd. All rights reserved.
*
* 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.
*
* 1 tab == 4 spaces!
*/
/* Kernel includes. */
#include "FreeRTOS.h"
#include "task.h"
extern void vPortStartTask(void);
/* Used to keep track of the number of nested calls to taskENTER_CRITICAL(). This
will be set to 0 prior to the first task being started. */
portLONG ulCriticalNesting = 0x9999UL;
/* Used to record one tack want to swtich task after enter critical area, we need know it
* and implement task switch after exit critical area */
portLONG pendsvflag = 0;
StackType_t *pxPortInitialiseStack( StackType_t * pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
{
StackType_t *stk = NULL;
stk = pxTopOfStack;
*(--stk) = (uint32_t)pxCode; /* Entry Point */
*(--stk) = (uint32_t)0xE0000140L; /* PSR */
*(--stk) = (uint32_t)0xFFFFFFFEL; /* R15 (LR) (init value will cause fault if ever used) */
*(--stk) = (uint32_t)0x13131313L; /* R13 */
*(--stk) = (uint32_t)0x12121212L; /* R12 */
*(--stk) = (uint32_t)0x11111111L; /* R11 */
*(--stk) = (uint32_t)0x10101010L; /* R10 */
*(--stk) = (uint32_t)0x09090909L; /* R9 */
*(--stk) = (uint32_t)0x08080808L; /* R8 */
*(--stk) = (uint32_t)0x07070707L; /* R7 */
*(--stk) = (uint32_t)0x06060606L; /* R6 */
*(--stk) = (uint32_t)0x05050505L; /* R5 */
*(--stk) = (uint32_t)0x04040404L; /* R4 */
*(--stk) = (uint32_t)0x03030303L; /* R3 */
*(--stk) = (uint32_t)0x02020202L; /* R2 */
*(--stk) = (uint32_t)0x01010101L; /* R1 */
*(--stk) = (uint32_t)pvParameters; /* R0 : argument */
return stk;
}
BaseType_t xPortStartScheduler( void )
{
ulCriticalNesting = 0UL;
vPortStartTask();
return pdFALSE;
}
void vPortEndScheduler( void )
{
/* Not implemented as there is nothing to return to. */
}
void vPortEnterCritical( void )
{
portDISABLE_INTERRUPTS();
ulCriticalNesting ++;
}
void vPortExitCritical( void )
{
if (ulCriticalNesting == 0) {
while(1);
}
ulCriticalNesting --;
if (ulCriticalNesting == 0)
{
portENABLE_INTERRUPTS();
if (pendsvflag)
{
pendsvflag = 0;
portYIELD();
}
}
}
#if configUSE_PREEMPTION == 0
void xPortSysTickHandler( void )
{
portLONG ulDummy;
ulDummy = portSET_INTERRUPT_MASK_FROM_ISR();
xTaskIncrementTick();
portCLEAR_INTERRUPT_MASK_FROM_ISR( ulDummy );
}
#else
void xPortSysTickHandler( void )
{
portLONG ulDummy;
ulDummy = portSET_INTERRUPT_MASK_FROM_ISR();
{
if (xTaskIncrementTick() != pdFALSE)
{
portYIELD_FROM_ISR(pdTRUE);
}
}
portCLEAR_INTERRUPT_MASK_FROM_ISR( ulDummy );
}
#endif
void vPortYieldHandler( void )
{
uint32_t ulSavedInterruptMask;
ulSavedInterruptMask = portSET_INTERRUPT_MASK_FROM_ISR();
vTaskSwitchContext();
portCLEAR_INTERRUPT_MASK_FROM_ISR( ulSavedInterruptMask );
}
__attribute__((weak)) void vApplicationStackOverflowHook( xTaskHandle *pxTask, signed portCHAR *pcTaskName )
{
for(;;);
}
__attribute__((weak)) void vApplicationMallocFailedHook( void )
{
for(;;);
}

View file

@ -0,0 +1,126 @@
/*
* Copyright (C) 2017 C-SKY Microsystems Co., Ltd. All rights reserved.
*
* 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.
*
* 1 tab == 4 spaces!
*/
//#include <csi_config.h>
/********************************************************************
* Functions: vPortStartTask
*
********************************************************************/
.global vPortStartTask
.type vPortStartTask, %function
vPortStartTask:
psrclr ie
lrw r4, pxCurrentTCB
ld.w r4, (r4) // the current task stack pointer is the first member
ld.w sp, (r4)
ldw r0, (sp, 64)
mtcr r0, epc
ldw r0, (sp, 60)
mtcr r0, epsr
ldw r15, (sp, 56)
ldm r0-r13, (sp)
addi sp, 68
rte
/********************************************************************
* Functions: vPortYield
*
********************************************************************/
.global vPortYield
.type vPortYield, %function
vPortYield:
psrclr ee
subi sp, 68
stm r0-r13, (sp)
stw r15, (sp, 56)
mfcr r0, psr
bseti r0, 8
stw r0, (sp, 60)
stw r15, (sp, 64)
lrw r2, pxCurrentTCB
ld.w r3, (r2)
st.w sp, (r3)
jbsr vTaskSwitchContext
lrw r4, pxCurrentTCB
ld.w r4, (r4)
ld.w sp, (r4)
ldw r0, (sp, 64)
mtcr r0, epc
ldw r0, (sp, 60)
mtcr r0, epsr
ldw r15, (sp, 56)
ldm r0-r13, (sp)
addi sp, 68
rte
/********************************************************************
* Functions: NOVIC_IRQ_Default_Handler
*
********************************************************************/
.global NOVIC_IRQ_Default_Handler
.type NOVIC_IRQ_Default_Handler, %function
NOVIC_IRQ_Default_Handler:
psrset ee
subi sp, 68
stm r0-r13, (sp)
stw r15, (sp, 56)
mfcr r0, epsr
stw r0, (sp, 60)
mfcr r0, epc
stw r0, (sp, 64)
lrw r7, pxCurrentTCB
ldw r7, (r7)
stw sp, (r7)
lrw sp, g_top_irqstack
lrw r1, g_irqvector
mfcr r0, psr
lsri r0, 16
sextb r0
subi r0, 32
lsli r0, 2
add r1, r0
ldw r1, (r1)
lsri r0, 2
jsr r1
lrw r7, pxCurrentTCB
ldw r7, (r7)
ldw sp, (r7)
ldw r0, (sp, 64)
mtcr r0, epc
ldw r0, (sp, 60)
mtcr r0, epsr
ldm r0-r13, (sp)
ldw r15, (sp, 56)
addi sp, 68
rte

View file

@ -0,0 +1,159 @@
/*
* Copyright (C) 2017 C-SKY Microsystems Co., Ltd. All rights reserved.
*
* 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.
*
* 1 tab == 4 spaces!
*/
#ifndef PORTMACRO_H
#define PORTMACRO_H
#include <stdlib.h>
#include <stdint.h>
#include <csi_core.h>
extern void vPortYield(void);
#ifdef __cplusplus
class vPortYield;
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;
typedef void (*portvectorfunc)(void);
#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 portBYTE_ALIGNMENT 8
#define portSTACK_GROWTH -1
#define portMS_PERIOD_TICK 10
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
static inline void vPortEnableInterrupt( void )
{
__enable_irq();
}
static inline void vPortDisableInterrupt( void )
{
__disable_irq();
}
static inline portLONG GetCurrentPSR (void)
{
return __get_PSR();
}
static inline portLONG SaveLocalPSR (void)
{
portLONG flags = __get_PSR();
__disable_irq();
return flags;
}
static inline void RestoreLocalPSR (portLONG newMask)
{
__asm__ __volatile__(
"mtcr %0, psr \n"
:
:"r" (newMask)
:"memory"
);
}
extern void vPortEnterCritical( void );
extern void vPortExitCritical( void );
extern __attribute__((naked)) void cpu_yeild(void);
#define portDISABLE_INTERRUPTS() vPortDisableInterrupt()
#define portENABLE_INTERRUPTS() vPortEnableInterrupt()
#define portENTER_CRITICAL() vPortEnterCritical()
#define portEXIT_CRITICAL() vPortExitCritical()
#define portSET_INTERRUPT_MASK_FROM_ISR() SaveLocalPSR()
#define portCLEAR_INTERRUPT_MASK_FROM_ISR(a) RestoreLocalPSR(a)
#define portNOP() asm("nop")
extern portLONG ulCriticalNesting;
extern portLONG pendsvflag;
#define portYIELD() if (ulCriticalNesting == 0) \
{ \
vPortYield(); \
} \
else \
{ \
pendsvflag = 1; \
} \
portNOP();portNOP()
/*-----------------------------------------------------------*/
/* Task function macros as described on the FreeRTOS.org WEB site. */
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) __attribute__((noreturn))
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
/*-----------------------------------------------------------*/
#define portEND_SWITCHING_ISR( xSwitchRequired ) do { \
if( xSwitchRequired != pdFALSE ) \
{ \
portYIELD(); \
} \
}while(0)
#define portYIELD_FROM_ISR( a ) vTaskSwitchContext()
#ifdef __cplusplus
}
#endif
#endif /* PORTMACRO_H */