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cpu-add-Cortex-A72-processor-kvm-target-support-v2.patch 2.38 KB
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yezengruan 提交于 2022-11-22 17:45 . Qemu update to version 6.2.0-59
From 8ddc2bcb196a34cc641d50b057550e4b11dc8700 Mon Sep 17 00:00:00 2001
From: Xu Yandong <xuyandong2@huawei.com>
Date: Wed, 9 Feb 2022 17:39:34 +0800
Subject: [PATCH 3/3] cpu: add Cortex-A72 processor kvm target support
The ARM Cortex-A72 is ARMv8-A micro-architecture,
add kvm target to ARM Cortex-A72 processor definition.
Signed-off-by: Xu Yandong <xuyandong2@huawei.com>
Signed-off-by: Mingwang Li <limingwang@huawei.com>
---
target/arm/cpu64.c | 2 +-
target/arm/kvm-consts.h | 3 +++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 26419fe994..1b56261964 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -202,6 +202,7 @@ static void aarch64_a72_initfn(Object *obj)
ARMCPU *cpu = ARM_CPU(obj);
cpu->dtb_compatible = "arm,cortex-a72";
+ cpu->kvm_target = QEMU_KVM_ARM_TARGET_GENERIC_V8;
set_feature(&cpu->env, ARM_FEATURE_V8);
set_feature(&cpu->env, ARM_FEATURE_NEON);
set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
@@ -265,7 +266,6 @@ static void aarch64_kunpeng_920_initfn(Object *obj)
cpu->isar.id_aa64dfr0 = 0x110305408;
cpu->isar.id_aa64isar0 = 0x10211120;
cpu->isar.id_aa64mmfr0 = 0x101125;
- cpu->kvm_target = KVM_ARM_TARGET_GENERIC_V8;
}
void arm_cpu_sve_finalize(ARMCPU *cpu, Error **errp)
diff --git a/target/arm/kvm-consts.h b/target/arm/kvm-consts.h
index 580f1c1fee..5f1311ade7 100644
--- a/target/arm/kvm-consts.h
+++ b/target/arm/kvm-consts.h
@@ -130,6 +130,8 @@ MISMATCH_CHECK(QEMU_PSCI_RET_DISABLED, PSCI_RET_DISABLED);
#define QEMU_KVM_ARM_TARGET_CORTEX_A57 2
#define QEMU_KVM_ARM_TARGET_XGENE_POTENZA 3
#define QEMU_KVM_ARM_TARGET_CORTEX_A53 4
+/* Generic ARM v8 target */
+#define QEMU_KVM_ARM_TARGET_GENERIC_V8 5
/* There's no kernel define for this: sentinel value which
* matches no KVM target value for either 64 or 32 bit
@@ -141,6 +143,7 @@ MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_FOUNDATION_V8, KVM_ARM_TARGET_FOUNDATION_V8);
MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_CORTEX_A57, KVM_ARM_TARGET_CORTEX_A57);
MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_XGENE_POTENZA, KVM_ARM_TARGET_XGENE_POTENZA);
MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_CORTEX_A53, KVM_ARM_TARGET_CORTEX_A53);
+MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_GENERIC_V8, KVM_ARM_TARGET_GENERIC_V8);
#define CP_REG_ARM64 0x6000000000000000ULL
#define CP_REG_ARM_COPROC_MASK 0x000000000FFF0000
--
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