diff options
| author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-01-18 21:39:51 +0000 |
|---|---|---|
| committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-01-18 21:39:51 +0000 |
| commit | 777aca2fd3f7edd6329e343f94401afe99919085 (patch) | |
| tree | 39441fd516293ec4a53f7aecb45be686147e1a35 /target-i386 | |
| parent | 69e5bc90688361772120a1199e7459b8b72a9998 (diff) | |
| download | qemu-777aca2fd3f7edd6329e343f94401afe99919085.tar.gz | |
fixed dirty bit support for 4M pages (L4 Pistachio fix)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@549 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-i386')
| -rw-r--r-- | target-i386/helper2.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/target-i386/helper2.c b/target-i386/helper2.c index 2feccc3459..d5c7727cb1 100644 --- a/target-i386/helper2.c +++ b/target-i386/helper2.c @@ -304,7 +304,7 @@ int cpu_x86_handle_mmu_fault(CPUX86State *env, uint32_t addr, /* if PSE bit is set, then we use a 4MB page */ if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) { is_dirty = is_write && !(pde & PG_DIRTY_MASK); - if (!(pde & PG_ACCESSED_MASK)) { + if (!(pde & PG_ACCESSED_MASK) || is_dirty) { pde |= PG_ACCESSED_MASK; if (is_dirty) pde |= PG_DIRTY_MASK; @@ -363,7 +363,7 @@ int cpu_x86_handle_mmu_fault(CPUX86State *env, uint32_t addr, prot |= PROT_WRITE; } } - + do_mapping: pte = pte & a20_mask; |