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[PATCH v2 05/24] target/arm: Set ID_DFR0.PerfMon for qemu-system-arm -cp
From: |
Richard Henderson |
Subject: |
[PATCH v2 05/24] target/arm: Set ID_DFR0.PerfMon for qemu-system-arm -cpu max |
Date: |
Mon, 11 Apr 2022 17:33:07 -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 b7cb3a6cb3..ac782531a7 100644
--- a/target/arm/cpu_tcg.c
+++ b/target/arm/cpu_tcg.c
@@ -1088,6 +1088,10 @@ 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 v2 04/24] target/arm: Update qemu-system-arm -cpu max to cortex-a57, (continued)
- [PATCH v2 04/24] target/arm: Update qemu-system-arm -cpu max to cortex-a57, Richard Henderson, 2022/04/11
- [PATCH v2 08/24] target/arm: Use field names for manipulating EL2 and EL3 modes, Richard Henderson, 2022/04/11
- [PATCH v2 13/24] target/arm: Enable SCR and HCR bits for RAS, Richard Henderson, 2022/04/11
- [PATCH v2 17/24] target/arm: Enable FEAT_IESB for -cpu max, Richard Henderson, 2022/04/11
- [PATCH v2 19/24] target/arm: Update ISAR fields for ARMv8.8, Richard Henderson, 2022/04/11
- [PATCH v2 10/24] target/arm: Enable FEAT_Debugv8p4 for -cpu max, Richard Henderson, 2022/04/11
- [PATCH v2 16/24] target/arm: Enable FEAT_RAS for -cpu max, Richard Henderson, 2022/04/11
- [PATCH v2 14/24] target/arm: Implement virtual SError exceptions, Richard Henderson, 2022/04/11
- [PATCH v2 18/24] target/arm: Enable FEAT_CSV2 for -cpu max, Richard Henderson, 2022/04/11
- [PATCH v2 21/24] target/arm: Enable FEAT_CSV3 for -cpu max, Richard Henderson, 2022/04/11
- [PATCH v2 05/24] target/arm: Set ID_DFR0.PerfMon for qemu-system-arm -cpu max,
Richard Henderson <=
- [PATCH v2 06/24] target/arm: Split out arm32_max_features, Richard Henderson, 2022/04/11
- [PATCH v2 07/24] target/arm: Annotate arm_max_initfn with FEAT identifiers, Richard Henderson, 2022/04/11
- [PATCH v2 15/24] target/arm: Implement ESB instruction, Richard Henderson, 2022/04/11
- [PATCH v2 09/24] target/arm: Enable FEAT_Debugv8p2 for -cpu max, Richard Henderson, 2022/04/11
- [PATCH v2 12/24] target/arm: Add minimal RAS registers, Richard Henderson, 2022/04/11
- [PATCH v2 11/24] target/arm: Add isar_feature_{aa64,any}_ras, Richard Henderson, 2022/04/11
- [PATCH v2 24/24] target/arm: Define neoverse-n1, Richard Henderson, 2022/04/11
- [PATCH v2 23/24] target/arm: Define cortex-a76, Richard Henderson, 2022/04/11
- [PATCH v2 20/24] target/arm: Enable FEAT_CSV2_2 for -cpu max, Richard Henderson, 2022/04/11
- [PATCH v2 22/24] target/arm: Enable FEAT_DGH for -cpu max, Richard Henderson, 2022/04/11