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coldfire/include/nbrtoscpu.h
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/*NB_REVISION*/
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/*NB_COPYRIGHT*/
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#ifndef NBRTOS_CPU_COLDFIRE
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#define NB_NBRTOS_CPU_H
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#define NBRTOS_CPU_COLDFIRE 1
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/********************************************************************/
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/********************************************************************/
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/********************************************************************/
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extern
volatile
unsigned
long
critical_count;
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extern
"C"
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{
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void
NBRtosSetup();
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void
OSIntCtxSw(
void
);
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}
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void
NBRtosBegin();
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#include <constants.h>
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/********************************************************************/
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#define NBRTOS_ENTER_CRITICAL() \
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{ \
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asm volatile(" nop"); \
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asm volatile(" move.w #0x2700,%sr "); \
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}
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#define NBRTOS_EXIT_CRITICAL() \
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{ \
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asm volatile(".extern critical_count"); \
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asm volatile(".extern OSISRLevel32"); \
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asm volatile(" nop"); \
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if (critical_count == 0) \
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{ \
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asm volatile(" move.l OSISRLevel32,%%d1 \n\t" :
/* out */
:
/* input */
: "%%d1"
/*modified */
); \
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asm volatile(" move.w %d1, %sr"); \
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} \
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}
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#define USER_ENTER_CRITICAL() \
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{ \
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asm volatile(".extern critical_count"); \
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asm volatile(" nop"); \
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asm volatile(" move.w #0x2700,%sr "); \
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asm volatile(" addq.l #1,critical_count "); \
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}
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#define USER_EXIT_CRITICAL() \
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{ \
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asm volatile(".extern critical_count"); \
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asm volatile(".extern OSISRLevel32"); \
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asm volatile(" nop"); \
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asm volatile(" subq.l #1,critical_count "); \
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if (critical_count == 0) \
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{ \
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asm volatile(" move.l OSISRLevel32,%%d1 \n\t" :
/* out */
:
/* input */
: "%%d1"
/*Modified */
); \
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asm volatile(" move.w %d1, %sr"); \
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} \
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}
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#define RAW_OS_TASK_SW() asm volatile(" trap #14 ");
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#define OS_TASK_SW() \
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asm volatile(" trap #14 "); \
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asm(".global RTOSWAITS_HERE"); \
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asm("RTOSWAITS_HERE:");
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#define OS_IDLE_LOOP() asm volatile(" stop #0x2000 ");
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#define MASK_ALL_ISR() asm volatile("move.w #0x2700,%sr ")
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#define NOP() asm volatile(" nop")
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#define CACHE_FLUSH() asm volatile(" nop")
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#define FORCE_TRAP() asm volatile("illegal")
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#define ARCH_STK_ALIGN_SIZ (4)
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#define ARCH_ALIGN_STK __attribute__((aligned(ARCH_STK_ALIGN_SIZ)))
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/*
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***********************************************************
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* NBRTOS CPU Specific TASK CONTROL BLOCK CLASS
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***********************************************************
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*/
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class
cpu_tcb
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{
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public
:
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void
*OSTCBStkPtr;
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long
*OSTCBStkBot;
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long
*OSTCBStkTop;
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};
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#endif
