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target-i386: mmu: use pg_mode instead of HF_LMA_MASK 

Correctly look up the paging mode of the hypervisor when it is using 64-bit
mode but the guest is not.

Fixes: 68746930ae ("target/i386: use mmu_translate for NPT walk", 2021-05-11)
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 93eae35832)
Signed-off-by: Michael Roth <michael.roth@amd.com>
stable-6.1
Paolo Bonzini 2021-11-04 14:45:20 +01:00 committed by Michael Roth
parent 43a457841f
commit cddfaf96ab
1 changed files with 2 additions and 2 deletions
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4
target/i386/tcg/sysemu/excp_helper.c
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@ -90,7 +90,7 @@ static int mmu_translate(CPUState *cs, hwaddr addr, MMUTranslateFunc get_hphys_f
target_ulong pdpe_addr;
#ifdef TARGET_X86_64
if (env->hflags & HF_LMA_MASK) {
if (pg_mode & PG_MODE_LMA) {
bool la57 = pg_mode & PG_MODE_LA57;
uint64_t pml5e_addr, pml5e;
uint64_t pml4e_addr, pml4e;
@ -287,7 +287,7 @@ do_check_protect_pse36:
*prot |= PAGE_EXEC;
}
if (!(env->hflags & HF_LMA_MASK)) {
if (!(pg_mode & PG_MODE_LMA)) {
pkr = 0;
} else if (ptep & PG_USER_MASK) {
pkr = pg_mode & PG_MODE_PKE ? env->pkru : 0;