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added invlpg emulation 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@280 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-06-25 16:19:50 +00:00
parent 59faf6d6a6
commit 4351832355
1 changed files with 11 additions and 0 deletions
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11
translate-i386.c
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@ -4036,6 +4036,7 @@ void cpu_x86_close(CPUX86State *env)
/***********************************************************/
/* x86 mmu */
/* XXX: add PGE support */
/* called when cr3 or PG bit are modified */
static int last_pg_state = -1;
@ -4091,8 +4092,18 @@ void cpu_x86_init_mmu(CPUX86State *env)
cpu_x86_update_cr0(env);
}
/* XXX: also flush 4MB pages */
void cpu_x86_flush_tlb(CPUX86State *env, uint32_t addr)
{
int flags;
unsigned long virt_addr;
flags = page_get_flags(addr);
if (flags & PAGE_VALID) {
virt_addr = addr & ~0xfff;
munmap((void *)virt_addr, 4096);
page_set_flags(virt_addr, virt_addr + 4096, 0);
}
}
/* return value: