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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2003-06-25 16:19:50 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2003-06-25 16:19:50 +0000
commit435183235567e0d942829bcf0507cbd34fdcf8a7 (patch)
tree7be3719881825b7b3cee359a41d511a3c8d26a70 /translate-i386.c
parent59faf6d6a6a239fcd1fa283ef8b558299fb37325 (diff)
added invlpg emulation
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@280 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'translate-i386.c')
-rw-r--r--translate-i386.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/translate-i386.c b/translate-i386.c
index 79d6eed63f..d986752dae 100644
--- a/translate-i386.c
+++ b/translate-i386.c
@@ -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: