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[PATCH v7 04/42] target/arm: Add support for MTE to HCR_EL2 and SCR_EL3
From: |
Richard Henderson |
Subject: |
[PATCH v7 04/42] target/arm: Add support for MTE to HCR_EL2 and SCR_EL3 |
Date: |
Tue, 2 Jun 2020 18:12:39 -0700 |
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/arm/helper.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 7862bf502d..f2ead07ead 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -2021,6 +2021,9 @@ static void scr_write(CPUARMState *env, const
ARMCPRegInfo *ri, uint64_t value)
if (cpu_isar_feature(aa64_pauth, cpu)) {
valid_mask |= SCR_API | SCR_APK;
}
+ if (cpu_isar_feature(aa64_mte, cpu)) {
+ valid_mask |= SCR_ATA;
+ }
} else {
valid_mask &= ~(SCR_RW | SCR_ST);
}
@@ -5248,6 +5251,9 @@ static void do_hcr_write(CPUARMState *env, uint64_t
value, uint64_t valid_mask)
if (cpu_isar_feature(aa64_pauth, cpu)) {
valid_mask |= HCR_API | HCR_APK;
}
+ if (cpu_isar_feature(aa64_mte, cpu)) {
+ valid_mask |= HCR_ATA | HCR_TID5;
+ }
}
/* Clear RES0 bits. */
--
2.25.1
- [PATCH v7 00/42] target/arm: Implement ARMv8.5-MemTag, system mode, Richard Henderson, 2020/06/02
- [PATCH v7 04/42] target/arm: Add support for MTE to HCR_EL2 and SCR_EL3,
Richard Henderson <=
- [PATCH v7 06/42] target/arm: Add DISAS_UPDATE_NOCHAIN, Richard Henderson, 2020/06/02
- [PATCH v7 05/42] target/arm: Rename DISAS_UPDATE to DISAS_UPDATE_EXIT, Richard Henderson, 2020/06/02
- [PATCH v7 07/42] target/arm: Add MTE system registers, Richard Henderson, 2020/06/02
- [PATCH v7 08/42] target/arm: Add MTE bits to tb_flags, Richard Henderson, 2020/06/02
- [PATCH v7 09/42] target/arm: Implement the IRG instruction, Richard Henderson, 2020/06/02