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KVM: selftests: Convert x86's XCR0 test to use printf-based guest asserts

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Convert x86's XCR0 vs. CPUID test to use printf-based guest asserts.

Link: https://lore.kernel.org/r/20230729003643.1053367-32-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Sean Christopherson 2023-07-28 17:36:40 -07:00
parent 30a6e0b455
commit 4e15c38a1a
1 changed files with 18 additions and 11 deletions
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29
tools/testing/selftests/kvm/x86_64/xcr0_cpuid_test.c
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@ -4,6 +4,7 @@
*
* Copyright (C) 2022, Google LLC.
*/
#define USE_GUEST_ASSERT_PRINTF 1
#include <fcntl.h>
#include <stdio.h>
@ -20,13 +21,14 @@
* Assert that architectural dependency rules are satisfied, e.g. that AVX is
* supported if and only if SSE is supported.
*/
#define ASSERT_XFEATURE_DEPENDENCIES(supported_xcr0, xfeatures, dependencies) \
do { \
uint64_t __supported = (supported_xcr0) & ((xfeatures) | (dependencies)); \
\
GUEST_ASSERT_3((__supported & (xfeatures)) != (xfeatures) || \
__supported == ((xfeatures) | (dependencies)), \
__supported, (xfeatures), (dependencies)); \
#define ASSERT_XFEATURE_DEPENDENCIES(supported_xcr0, xfeatures, dependencies) \
do { \
uint64_t __supported = (supported_xcr0) & ((xfeatures) | (dependencies)); \
\
__GUEST_ASSERT((__supported & (xfeatures)) != (xfeatures) || \
__supported == ((xfeatures) | (dependencies)), \
"supported = 0x%llx, xfeatures = 0x%llx, dependencies = 0x%llx", \
__supported, (xfeatures), (dependencies)); \
} while (0)
/*
@ -41,7 +43,8 @@ do { \
do { \
uint64_t __supported = (supported_xcr0) & (xfeatures); \
\
GUEST_ASSERT_2(!__supported || __supported == (xfeatures), \
__GUEST_ASSERT(!__supported || __supported == (xfeatures), \
"supported = 0x%llx, xfeatures = 0x%llx", \
__supported, (xfeatures)); \
} while (0)
@ -79,14 +82,18 @@ static void guest_code(void)
XFEATURE_MASK_XTILE);
vector = xsetbv_safe(0, supported_xcr0);
GUEST_ASSERT_2(!vector, supported_xcr0, vector);
__GUEST_ASSERT(!vector,
"Expected success on XSETBV(0x%llx), got vector '0x%x'",
supported_xcr0, vector);
for (i = 0; i < 64; i++) {
if (supported_xcr0 & BIT_ULL(i))
continue;
vector = xsetbv_safe(0, supported_xcr0 | BIT_ULL(i));
GUEST_ASSERT_3(vector == GP_VECTOR, supported_xcr0, vector, BIT_ULL(i));
__GUEST_ASSERT(vector == GP_VECTOR,
"Expected #GP on XSETBV(0x%llx), supported XCR0 = %llx, got vector '0x%x'",
BIT_ULL(i), supported_xcr0, vector);
}
GUEST_DONE();
@ -117,7 +124,7 @@ int main(int argc, char *argv[])
switch (get_ucall(vcpu, &uc)) {
case UCALL_ABORT:
REPORT_GUEST_ASSERT_3(uc, "0x%lx 0x%lx 0x%lx");
REPORT_GUEST_ASSERT(uc);
break;
case UCALL_DONE:
goto done;