Change debug_version() to take the ID_AA64DFR0_EL1 value instead of
vcpu as an argument, and change its callsite to read ID_AA64DFR0_EL1
(and pass it to debug_version()).
Subsequent patches will reuse the register value in the callsite.
No functional change intended.
Signed-off-by: Reiji Watanabe <rei...@google.com>
---
tools/testing/selftests/kvm/aarch64/debug-exceptions.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/tools/testing/selftests/kvm/aarch64/debug-exceptions.c
b/tools/testing/selftests/kvm/aarch64/debug-exceptions.c
index 040e4d7f8755..72ec9bb16682 100644
--- a/tools/testing/selftests/kvm/aarch64/debug-exceptions.c
+++ b/tools/testing/selftests/kvm/aarch64/debug-exceptions.c
@@ -337,11 +337,8 @@ static void guest_code_ss(int test_cnt)
GUEST_DONE();
}
-static int debug_version(struct kvm_vcpu *vcpu)
+static int debug_version(uint64_t id_aa64dfr0)
{
- uint64_t id_aa64dfr0;
-
- vcpu_get_reg(vcpu, KVM_ARM64_SYS_REG(SYS_ID_AA64DFR0_EL1),
&id_aa64dfr0);
return FIELD_GET(ARM64_FEATURE_MASK(ID_AA64DFR0_DEBUGVER), id_aa64dfr0);
}
@@ -466,9 +463,11 @@ int main(int argc, char *argv[])
struct kvm_vm *vm;
int opt;
int ss_iteration = 10000;
+ uint64_t aa64dfr0;
vm = vm_create_with_one_vcpu(&vcpu, guest_code);
- __TEST_REQUIRE(debug_version(vcpu) >= 6,
+ vcpu_get_reg(vcpu, KVM_ARM64_SYS_REG(SYS_ID_AA64DFR0_EL1), &aa64dfr0);
+ __TEST_REQUIRE(debug_version(aa64dfr0) >= 6,
"Armv8 debug architecture not supported.");
kvm_vm_free(vm);
--
2.38.0.413.g74048e4d9e-goog
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