len0rd/FreeRTOS-Kernel
1
0
Fork 0
mirror of https://github.com/FreeRTOS/FreeRTOS-Kernel.git synced 2025-04-21 22:11:57 -04:00
Code Issues Packages Projects Releases Wiki Activity

Update yield code in RX600/Renesas compiler port.

Browse source
This commit is contained in:
Richard Barry 2013-04-17 08:35:20 +00:00
parent b7487b8dc2
commit 4f5f527c73
1 changed files with 20 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
FreeRTOS/Source/portable/Renesas/RX600/portmacro.h
View file

@ -118,10 +118,22 @@ portSTACK_TYPE and portBASE_TYPE. */
#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
#define portNOP() nop()
/* The location of the software interrupt register. Software interrupts use
vector 27. */
#define portITU_SWINTR ( ( unsigned char * ) 0x000872E0 )
#define portYIELD() *portITU_SWINTR = 0x01; nop(); nop(); nop(); nop(); nop()
#pragma inline_asm vPortYield
static void vPortYield( void )
{
/* Save clobbered register - may not actually be necessary if inline asm
functions are considered to use the same rules as function calls by the
compiler. */
PUSH.L R5
/* Set ITU SWINTR. */
MOV.L #553696, R5
MOV.B #1, [R5]
/* Read back to ensure the value is taken before proceeding. */
MOV.L [R5], R5
/* Restore clobbered register to its previous value. */
POP R5
}
#define portYIELD() vPortYield()
#define portYIELD_FROM_ISR( x ) if( x != pdFALSE ) portYIELD()
/*
@ -137,12 +149,12 @@ vector 27. */
/* The critical nesting functions defined within tasks.c. */
extern void vTaskEnterCritical( void );
extern void vTaskExitCritical( void );
#define portENTER_CRITICAL() vTaskEnterCritical();
#define portEXIT_CRITICAL() vTaskExitCritical();
#define portENTER_CRITICAL() vTaskEnterCritical()
#define portEXIT_CRITICAL() vTaskExitCritical()
/* As this port allows interrupt nesting... */
#define portSET_INTERRUPT_MASK_FROM_ISR() get_ipl(); set_ipl( configMAX_SYSCALL_INTERRUPT_PRIORITY )
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus ) set_ipl( uxSavedInterruptStatus )
#define portSET_INTERRUPT_MASK_FROM_ISR() get_ipl(); set_ipl( ( long ) configMAX_SYSCALL_INTERRUPT_PRIORITY )
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus ) set_ipl( ( long ) uxSavedInterruptStatus )
/*-----------------------------------------------------------*/