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authorths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>2007-04-17 23:08:56 +0000
committerths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>2007-04-17 23:08:56 +0000
commitaf661ad11bbcd00b1eb437ab5032817e7ecf35fc (patch)
treeaa9a801053a56fdd90f126f02a1b061d607846bb /target-i386
parentc94655b0b53fdc40bb0917612daaeb96f2de3c23 (diff)
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Ptable calculation broken for 32bit code under x86_64, by Bernhard Kauer.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2697 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-i386')
-rw-r--r--target-i386/helper2.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/target-i386/helper2.c b/target-i386/helper2.c
index f05a284..cbf17ca 100644
--- a/target-i386/helper2.c
+++ b/target-i386/helper2.c
@@ -670,7 +670,7 @@ int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr,
#endif
{
/* XXX: load them when cr3 is loaded ? */
- pdpe_addr = ((env->cr[3] & ~0x1f) + ((addr >> 30) << 3)) &
+ pdpe_addr = ((env->cr[3] & ~0x1f) + ((addr >> 27) & 0x18)) &
env->a20_mask;
pdpe = ldq_phys(pdpe_addr);
if (!(pdpe & PG_PRESENT_MASK)) {
@@ -765,7 +765,7 @@ int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr,
uint32_t pde;
/* page directory entry */
- pde_addr = ((env->cr[3] & ~0xfff) + ((addr >> 20) & ~3)) &
+ pde_addr = ((env->cr[3] & ~0xfff) + ((addr >> 20) & 0xffc)) &
env->a20_mask;
pde = ldl_phys(pde_addr);
if (!(pde & PG_PRESENT_MASK)) {
@@ -910,7 +910,7 @@ target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
} else
#endif
{
- pdpe_addr = ((env->cr[3] & ~0x1f) + ((addr >> 30) << 3)) &
+ pdpe_addr = ((env->cr[3] & ~0x1f) + ((addr >> 27) & 0x18)) &
env->a20_mask;
pdpe = ldl_phys(pdpe_addr);
if (!(pdpe & PG_PRESENT_MASK))
@@ -940,7 +940,7 @@ target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
page_size = 4096;
} else {
/* page directory entry */
- pde_addr = ((env->cr[3] & ~0xfff) + ((addr >> 20) & ~3)) & env->a20_mask;
+ pde_addr = ((env->cr[3] & ~0xfff) + ((addr >> 20) & 0xffc)) & env->a20_mask;
pde = ldl_phys(pde_addr);
if (!(pde & PG_PRESENT_MASK))
return -1;