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[Qemu-devel] [PATCH v2 4/8] target-arm: Suppress TBI for S2 translations
From: |
Edgar E. Iglesias |
Subject: |
[Qemu-devel] [PATCH v2 4/8] target-arm: Suppress TBI for S2 translations |
Date: |
Sun, 13 Sep 2015 11:07:54 +0200 |
From: "Edgar E. Iglesias" <address@hidden>
Stage-2 MMU translations do not have configurable TBI as
the top byte is always 0 (48-bit IPAs).
Signed-off-by: Edgar E. Iglesias <address@hidden>
---
target-arm/helper.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/target-arm/helper.c b/target-arm/helper.c
index 81a1850..9977062 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -6370,7 +6370,9 @@ static bool get_phys_addr_lpae(CPUARMState *env,
target_ulong address,
if (arm_el_is_aa64(env, el)) {
va_size = 64;
if (el > 1) {
- tbi = extract64(tcr->raw_tcr, 20, 1);
+ if (mmu_idx != ARMMMUIdx_S2NS) {
+ tbi = extract64(tcr->raw_tcr, 20, 1);
+ }
} else {
if (extract64(address, 55, 1)) {
tbi = extract64(tcr->raw_tcr, 38, 1);
--
1.9.1
- [Qemu-devel] [PATCH v2 0/8] arm: Steps towards EL2 support round 4, Edgar E. Iglesias, 2015/09/13
- [Qemu-devel] [PATCH v2 1/8] hw/cpu/{a15mpcore, a9mpcore}: Handle missing has_el3 CPU props gracefully, Edgar E. Iglesias, 2015/09/13
- [Qemu-devel] [PATCH v2 2/8] target-arm: Add VTCR_EL2, Edgar E. Iglesias, 2015/09/13
- [Qemu-devel] [PATCH v2 3/8] target-arm: Add VTTBR_EL2, Edgar E. Iglesias, 2015/09/13
- [Qemu-devel] [PATCH v2 4/8] target-arm: Suppress TBI for S2 translations,
Edgar E. Iglesias <=
- [Qemu-devel] [PATCH v2 5/8] target-arm: Suppress EPD for S2, EL2 and EL3 translations, Edgar E. Iglesias, 2015/09/13
- [Qemu-devel] [PATCH v2 6/8] target-arm: Add VPIDR_EL2, Edgar E. Iglesias, 2015/09/13
- [Qemu-devel] [PATCH v2 7/8] target-arm: Break out mpidr_read_val(), Edgar E. Iglesias, 2015/09/13
- [Qemu-devel] [PATCH v2 8/8] target-arm: Add VMPIDR_EL2, Edgar E. Iglesias, 2015/09/13
- Re: [Qemu-devel] [PATCH v2 0/8] arm: Steps towards EL2 support round 4, Peter Maydell, 2015/09/14