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KVM: arm64: selftests: Refactor debug-exceptions to make it amenable to new test cases 

Split up the current test into a helper, but leave the debug version
checking in main(), to make it convenient to add a new debug exception
test case in a subsequent patch.

Signed-off-by: Reiji Watanabe <reijiw@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220917010600.532642-4-reijiw@google.com
This commit is contained in:
Reiji Watanabe 2022-09-16 18:05:59 -07:00 committed by Marc Zyngier
parent 370531d1e9
commit ff00e73709
1 changed files with 14 additions and 4 deletions
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18
tools/testing/selftests/kvm/aarch64/debug-exceptions.c
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@ -246,7 +246,7 @@ static int debug_version(struct kvm_vcpu *vcpu)
return id_aa64dfr0 & 0xf; return id_aa64dfr0 & 0xf;
} }
int main(int argc, char *argv[]) static void test_guest_debug_exceptions(void)
{ {
struct kvm_vcpu *vcpu; struct kvm_vcpu *vcpu;
struct kvm_vm *vm; struct kvm_vm *vm;
@ -259,9 +259,6 @@ int main(int argc, char *argv[])
vm_init_descriptor_tables(vm); vm_init_descriptor_tables(vm);
vcpu_init_descriptor_tables(vcpu); vcpu_init_descriptor_tables(vcpu);
__TEST_REQUIRE(debug_version(vcpu) >= 6,
"Armv8 debug architecture not supported.");
vm_install_sync_handler(vm, VECTOR_SYNC_CURRENT, vm_install_sync_handler(vm, VECTOR_SYNC_CURRENT,
ESR_EC_BRK_INS, guest_sw_bp_handler); ESR_EC_BRK_INS, guest_sw_bp_handler);
vm_install_sync_handler(vm, VECTOR_SYNC_CURRENT, vm_install_sync_handler(vm, VECTOR_SYNC_CURRENT,
@ -294,5 +291,18 @@ int main(int argc, char *argv[])
done: done:
kvm_vm_free(vm); kvm_vm_free(vm);
}
int main(int argc, char *argv[])
{
struct kvm_vcpu *vcpu;
struct kvm_vm *vm;
vm = vm_create_with_one_vcpu(&vcpu, guest_code);
__TEST_REQUIRE(debug_version(vcpu) >= 6,
"Armv8 debug architecture not supported.");
kvm_vm_free(vm);
test_guest_debug_exceptions();
return 0; return 0;
} }