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[PULL 13/33] target/arm: handle VMID change in secure state
From: |
Peter Maydell |
Subject: |
[PULL 13/33] target/arm: handle VMID change in secure state |
Date: |
Tue, 19 Jan 2021 15:10:44 +0000 |
From: Rémi Denis-Courmont <remi.denis.courmont@huawei.com>
The VTTBR write callback so far assumes that the underlying VM lies in
non-secure state. This handles the secure state scenario.
Signed-off-by: Rémi Denis-Courmont <remi.denis.courmont@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210112104511.36576-10-remi.denis.courmont@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 9a0b8c9aa0a..f8c18ab6c05 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -4018,10 +4018,15 @@ static void vttbr_write(CPUARMState *env, const
ARMCPRegInfo *ri,
* the combined stage 1&2 tlbs (EL10_1 and EL10_0).
*/
if (raw_read(env, ri) != value) {
- tlb_flush_by_mmuidx(cs,
- ARMMMUIdxBit_E10_1 |
- ARMMMUIdxBit_E10_1_PAN |
- ARMMMUIdxBit_E10_0);
+ uint16_t mask = ARMMMUIdxBit_E10_1 |
+ ARMMMUIdxBit_E10_1_PAN |
+ ARMMMUIdxBit_E10_0;
+
+ if (arm_is_secure_below_el3(env)) {
+ mask >>= ARM_MMU_IDX_A_NS;
+ }
+
+ tlb_flush_by_mmuidx(cs, mask);
raw_write(env, ri, value);
}
}
--
2.20.1
- [PULL 01/33] target/arm: Implement an IMPDEF pauth algorithm, (continued)
- [PULL 01/33] target/arm: Implement an IMPDEF pauth algorithm, Peter Maydell, 2021/01/19
- [PULL 03/33] target/arm: Use object_property_add_bool for "sve" property, Peter Maydell, 2021/01/19
- [PULL 05/33] target/arm: add arm_is_el2_enabled() helper, Peter Maydell, 2021/01/19
- [PULL 02/33] target/arm: Add cpu properties to control pauth, Peter Maydell, 2021/01/19
- [PULL 07/33] target/arm: use arm_hcr_el2_eff() where applicable, Peter Maydell, 2021/01/19
- [PULL 09/33] target/arm: Define isar_feature function to test for presence of SEL2, Peter Maydell, 2021/01/19
- [PULL 06/33] target/arm: use arm_is_el2_enabled() where applicable, Peter Maydell, 2021/01/19
- [PULL 04/33] target/arm: remove redundant tests, Peter Maydell, 2021/01/19
- [PULL 11/33] target/arm: add MMU stage 1 for Secure EL2, Peter Maydell, 2021/01/19
- [PULL 08/33] target/arm: factor MDCR_EL2 common handling, Peter Maydell, 2021/01/19
- [PULL 13/33] target/arm: handle VMID change in secure state,
Peter Maydell <=
- [PULL 10/33] target/arm: add 64-bit S-EL2 to EL exception table, Peter Maydell, 2021/01/19
- [PULL 15/33] target/arm: translate NS bit in page-walks, Peter Maydell, 2021/01/19
- [PULL 12/33] target/arm: add ARMv8.4-SEL2 system registers, Peter Maydell, 2021/01/19
- [PULL 17/33] target/arm: secure stage 2 translation regime, Peter Maydell, 2021/01/19
- [PULL 21/33] target/arm: enable Secure EL2 in max CPU, Peter Maydell, 2021/01/19
- [PULL 14/33] target/arm: do S1_ptw_translate() before address space lookup, Peter Maydell, 2021/01/19
- [PULL 16/33] target/arm: generalize 2-stage page-walk condition, Peter Maydell, 2021/01/19
- [PULL 18/33] target/arm: set HPFAR_EL2.NS on secure stage 2 faults, Peter Maydell, 2021/01/19
- [PULL 22/33] target/arm: refactor vae1_tlbmask(), Peter Maydell, 2021/01/19
- [PULL 24/33] target/arm: Update PFIRST, PNEXT for pred_desc, Peter Maydell, 2021/01/19