diff options
Diffstat (limited to 'target/i386/arch_memory_mapping.c')
| -rw-r--r-- | target/i386/arch_memory_mapping.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/target/i386/arch_memory_mapping.c b/target/i386/arch_memory_mapping.c index 826aee597b..647cff2829 100644 --- a/target/i386/arch_memory_mapping.c +++ b/target/i386/arch_memory_mapping.c @@ -272,25 +272,27 @@ void x86_cpu_get_memory_mapping(CPUState *cs, MemoryMappingList *list, { X86CPU *cpu = X86_CPU(cs); CPUX86State *env = &cpu->env; + int32_t a20_mask; if (!cpu_paging_enabled(cs)) { /* paging is disabled */ return; } + a20_mask = x86_get_a20_mask(env); if (env->cr[4] & CR4_PAE_MASK) { #ifdef TARGET_X86_64 if (env->hflags & HF_LMA_MASK) { if (env->cr[4] & CR4_LA57_MASK) { hwaddr pml5e_addr; - pml5e_addr = (env->cr[3] & PLM4_ADDR_MASK) & env->a20_mask; - walk_pml5e(list, cs->as, pml5e_addr, env->a20_mask); + pml5e_addr = (env->cr[3] & PLM4_ADDR_MASK) & a20_mask; + walk_pml5e(list, cs->as, pml5e_addr, a20_mask); } else { hwaddr pml4e_addr; - pml4e_addr = (env->cr[3] & PLM4_ADDR_MASK) & env->a20_mask; - walk_pml4e(list, cs->as, pml4e_addr, env->a20_mask, + pml4e_addr = (env->cr[3] & PLM4_ADDR_MASK) & a20_mask; + walk_pml4e(list, cs->as, pml4e_addr, a20_mask, 0xffffULL << 48); } } else @@ -298,16 +300,16 @@ void x86_cpu_get_memory_mapping(CPUState *cs, MemoryMappingList *list, { hwaddr pdpe_addr; - pdpe_addr = (env->cr[3] & ~0x1f) & env->a20_mask; - walk_pdpe2(list, cs->as, pdpe_addr, env->a20_mask); + pdpe_addr = (env->cr[3] & ~0x1f) & a20_mask; + walk_pdpe2(list, cs->as, pdpe_addr, a20_mask); } } else { hwaddr pde_addr; bool pse; - pde_addr = (env->cr[3] & ~0xfff) & env->a20_mask; + pde_addr = (env->cr[3] & ~0xfff) & a20_mask; pse = !!(env->cr[4] & CR4_PSE_MASK); - walk_pde2(list, cs->as, pde_addr, env->a20_mask, pse); + walk_pde2(list, cs->as, pde_addr, a20_mask, pse); } } |