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- add an inline C function for the assembler operation CL1FLUSHMB

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- works only on the SCC


git-svn-id: http://svn.lfbs.rwth-aachen.de/svn/scc/trunk/MetalSVM@269 315a16e6-25f9-4109-90ae-ca3045a26c18
This commit is contained in:
stefan 2010-11-24 22:00:03 +00:00
parent 6346f54594
commit 0419142d83
1 changed files with 9 additions and 0 deletions
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9
arch/x86/include/asm/processor.h
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@ -86,6 +86,15 @@ inline static uint64_t rdmsr(uint32_t msr) {
return ((uint64_t)high << 32) | low;
}
/*
* invalidate (not flush!) lines in L1 that map to MPB lines
*/
inline static void cache_invalidate(void) {
#ifdef CONFIG_ROCKCREEK
asm volatile (".byte 0x0f; .byte 0x0a;\n" ); // CL1FLUSHMB
#endif
}
#define NOP1 asm volatile ("nop")
#define NOP2 asm volatile ("nop;nop")
#define NOP4 asm volatile ("nop;nop;nop;nop")