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Ptable calculation broken for 32bit code under x86_64, by Bernhard Kauer.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2697 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-04-17 23:08:56 +00:00
parent c94655b0b5
commit af661ad11b
1 changed files with 4 additions and 4 deletions
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8
target-i386/helper2.c
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@ -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;