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moved invalidate_tlb() to helper.c as a work around for gcc 3.2.2 bug - suppressed invalid tb_invalidate_page_range() calls

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2287 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2007-01-03 15:18:08 +00:00
parent df628ff14e
commit 2ee4aed86f
3 changed files with 45 additions and 45 deletions
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41
target-mips/helper.c
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@ -416,3 +416,44 @@ void do_interrupt (CPUState *env)
env->exception_index = EXCP_NONE;
}
#endif /* !defined(CONFIG_USER_ONLY) */
void invalidate_tlb (CPUState *env, int idx, int use_extra)
{
tlb_t *tlb;
target_ulong addr;
uint8_t ASID;
ASID = env->CP0_EntryHi & 0xFF;
tlb = &env->tlb[idx];
/* The qemu TLB is flushed then the ASID changes, so no need to
flush these entries again. */
if (tlb->G == 0 && tlb->ASID != ASID) {
return;
}
if (use_extra && env->tlb_in_use < MIPS_TLB_MAX) {
/* For tlbwr, we can shadow the discarded entry into
a new (fake) TLB entry, as long as the guest can not
tell that it's there. */
env->tlb[env->tlb_in_use] = *tlb;
env->tlb_in_use++;
return;
}
if (tlb->V0) {
addr = tlb->VPN;
while (addr < tlb->end) {
tlb_flush_page (env, addr);
addr += TARGET_PAGE_SIZE;
}
}
if (tlb->V1) {
addr = tlb->end;
while (addr < tlb->end2) {
tlb_flush_page (env, addr);
addr += TARGET_PAGE_SIZE;
}
}
}