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Replace cache control magic numbers with symbols

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Instead of opaque numbers like (1<<29), use
symbols like CR0_NoWriteThrough.

Change-Id: Id845e087fb472cfaf5f71beaf37fbf0d407880b5
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/833
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Patrick Georgi
2012-03-31 12:52:21 +02:00
committed by Stefan Reinauer
parent 8919729307
commit 05e740fc40
11 changed files with 63 additions and 46 deletions
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6
src/include/cpu/x86/cache.h
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@ -20,6 +20,11 @@
#ifndef CPU_X86_CACHE
#define CPU_X86_CACHE
#define CR0_CacheDisable (1 << 30)
#define CR0_NoWriteThrough (1 << 29)
#if !defined(__ASSEMBLER__)
/*
* Need two versions because ROMCC chokes on certain clobbers:
* cache.h:29.71: cache.h:60.24: earlymtrr.c:117.23: romstage.c:144.33:
@ -107,4 +112,5 @@ static inline __attribute__((always_inline)) void disable_cache(void)
void x86_enable_cache(void);
#endif
#endif /* !__ASSEMBLER__ */
#endif /* CPU_X86_CACHE */