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[PATCH v3 42/60] target/arm: Set ID_DFR0.PerfMon for qemu-system-arm -cp
From: |
Richard Henderson |
Subject: |
[PATCH v3 42/60] target/arm: Set ID_DFR0.PerfMon for qemu-system-arm -cpu max |
Date: |
Sun, 17 Apr 2022 10:44:08 -0700 |
We set this for qemu-system-aarch64, but failed to do so
for the strictly 32-bit emulation.
Fixes: 3bec78447a9 ("target/arm: Provide ARMv8.4-PMU in '-cpu max'")
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/arm/cpu_tcg.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/target/arm/cpu_tcg.c b/target/arm/cpu_tcg.c
index f9094c1752..9aa2f737c1 100644
--- a/target/arm/cpu_tcg.c
+++ b/target/arm/cpu_tcg.c
@@ -1084,6 +1084,10 @@ static void arm_max_initfn(Object *obj)
t = FIELD_DP32(t, ID_PFR2, SSBS, 1);
cpu->isar.id_pfr2 = t;
+ t = cpu->isar.id_dfr0;
+ t = FIELD_DP32(t, ID_DFR0, PERFMON, 5); /* v8.4-PMU */
+ cpu->isar.id_dfr0 = t;
+
#ifdef CONFIG_USER_ONLY
/*
* Break with true ARMv8 and add back old-style VFP short-vector support.
--
2.25.1
- [PATCH v3 34/60] target/arm: Cleanup add_cpreg_to_hashtable, (continued)
- [PATCH v3 34/60] target/arm: Cleanup add_cpreg_to_hashtable, Richard Henderson, 2022/04/17
- [PATCH v3 37/60] target/arm: Merge zcr reginfo, Richard Henderson, 2022/04/17
- [PATCH v3 38/60] target/arm: Add isar predicates for FEAT_Debugv8p2, Richard Henderson, 2022/04/17
- [PATCH v3 39/60] target/arm: Adjust definition of CONTEXTIDR_EL2, Richard Henderson, 2022/04/17
- [PATCH v3 31/60] target/arm: Name CPSecureState type, Richard Henderson, 2022/04/17
- [PATCH v3 32/60] target/arm: Update sysreg fields when redirecting for E2H, Richard Henderson, 2022/04/17
- [PATCH v3 42/60] target/arm: Set ID_DFR0.PerfMon for qemu-system-arm -cpu max,
Richard Henderson <=
- [PATCH v3 40/60] target/arm: Move cortex impdef sysregs to cpu_tcg.c, Richard Henderson, 2022/04/17
- [PATCH v3 41/60] target/arm: Update qemu-system-arm -cpu max to cortex-a57, Richard Henderson, 2022/04/17
- [PATCH v3 43/60] target/arm: Split out aa32_max_features, Richard Henderson, 2022/04/17
- [PATCH v3 45/60] target/arm: Use field names for manipulating EL2 and EL3 modes, Richard Henderson, 2022/04/17
- [PATCH v3 44/60] target/arm: Annotate arm_max_initfn with FEAT identifiers, Richard Henderson, 2022/04/17
- [PATCH v3 46/60] target/arm: Enable FEAT_Debugv8p2 for -cpu max, Richard Henderson, 2022/04/17
- [PATCH v3 47/60] target/arm: Enable FEAT_Debugv8p4 for -cpu max, Richard Henderson, 2022/04/17