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Introduce and use cache-utils.[ch]

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Thanks to Segher Boessenkool and Holis Blanchard.

AIX and Darwin cache inquiry:
http://gcc.gnu.org/ml/gcc-patches/2007-08/msg00388.html

Auxiliary vectors:
http://manugarg.googlepages.com/aboutelfauxiliaryvectors

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5973 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
malc 2008-12-10 19:18:40 +00:00
parent 4fbfcd6d53
commit 902b3d5c39
8 changed files with 120 additions and 46 deletions
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21
tcg/ppc64/tcg-target.h
View file

@ -82,24 +82,3 @@ enum {
#define TCG_AREG1 TCG_REG_R24
#define TCG_AREG2 TCG_REG_R25
#define TCG_AREG3 TCG_REG_R26
/* taken directly from tcg-dyngen.c */
#define MIN_CACHE_LINE_SIZE 8 /* conservative value */
static inline void flush_icache_range(unsigned long start, unsigned long stop)
{
unsigned long p;
start &= ~(MIN_CACHE_LINE_SIZE - 1);
stop = (stop + MIN_CACHE_LINE_SIZE - 1) & ~(MIN_CACHE_LINE_SIZE - 1);
for (p = start; p < stop; p += MIN_CACHE_LINE_SIZE) {
asm volatile ("dcbst 0,%0" : : "r"(p) : "memory");
}
asm volatile ("sync" : : : "memory");
for (p = start; p < stop; p += MIN_CACHE_LINE_SIZE) {
asm volatile ("icbi 0,%0" : : "r"(p) : "memory");
}
asm volatile ("sync" : : : "memory");
asm volatile ("isync" : : : "memory");
}