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[PATCH v2 2/5] target/arm: Allow setting 'pmu' only for host and max
From: |
Akihiko Odaki |
Subject: |
[PATCH v2 2/5] target/arm: Allow setting 'pmu' only for host and max |
Date: |
Tue, 16 Jul 2024 17:28:14 +0900 |
Setting 'pmu' does not make sense for CPU types emulating physical
CPUs.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
---
target/arm/cpu.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 14d4eca12740..8c180c679ce2 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -1594,6 +1594,13 @@ static bool arm_get_pmu(Object *obj, Error **errp)
static void arm_set_pmu(Object *obj, bool value, Error **errp)
{
ARMCPU *cpu = ARM_CPU(obj);
+ const char *typename = object_get_typename(obj);
+
+ if (strcmp(typename, ARM_CPU_TYPE_NAME("host")) &&
+ strcmp(typename, ARM_CPU_TYPE_NAME("max"))) {
+ error_setg(errp, "Setting 'pmu' is only supported by host and max");
+ return;
+ }
if (value) {
if (kvm_enabled() && !kvm_arm_pmu_supported()) {
--
2.45.2