28 lines
564 B
C
28 lines
564 B
C
/*
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* cache handling
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*/
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#include "cache.h"
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void flush_and_invalidate_caches(void)
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{
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__asm__ (
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" clr.l d0\n\t"
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" clr.l d1\n\t"
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" move.l d0,a0\n\t"
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"cfa_setloop:\n\t"
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" cpushl bc,(a0) | flush\n\t"
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" lea 0x10(a0),a0 | index+1\n\t"
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" addq.l #1,d1 | index+1\n\t"
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" cmpi.w #512,d1 | all sets?\n\t"
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" bne.s cfa_setloop | no->\n\t"
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" clr.l d1\n\t"
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" addq.l #1,d0\n\t"
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" move.l d0,a0\n\t"
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" cmpi.w #4,d0 | all ways?\n\t"
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" bne.s cfa_setloop | no->\n\t"
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/* input */ :
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/* output */ :
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/* clobber */ : "d0", "d1", "a0"
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);
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}
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