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KVM: selftests: Convert the x86 userspace I/O test to printf guest assert

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Convert x86's userspace I/O test to use printf-based guest asserts.

Link: https://lore.kernel.org/r/20230729003643.1053367-30-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Sean Christopherson 2023-07-28 17:36:38 -07:00
parent 847ae07955
commit 417bfd0c82
1 changed files with 8 additions and 4 deletions
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12
tools/testing/selftests/kvm/x86_64/userspace_io_test.c
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@ -1,4 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#define USE_GUEST_ASSERT_PRINTF 1
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
@ -20,8 +22,8 @@ static void guest_ins_port80(uint8_t *buffer, unsigned int count)
end = (unsigned long)buffer + 8192;
asm volatile("cld; rep; insb" : "+D"(buffer), "+c"(count) : "d"(0x80) : "memory");
GUEST_ASSERT_1(count == 0, count);
GUEST_ASSERT_2((unsigned long)buffer == end, buffer, end);
GUEST_ASSERT_EQ(count, 0);
GUEST_ASSERT_EQ((unsigned long)buffer, end);
}
static void guest_code(void)
@ -43,7 +45,9 @@ static void guest_code(void)
memset(buffer, 0, sizeof(buffer));
guest_ins_port80(buffer, 8192);
for (i = 0; i < 8192; i++)
GUEST_ASSERT_2(buffer[i] == 0xaa, i, buffer[i]);
__GUEST_ASSERT(buffer[i] == 0xaa,
"Expected '0xaa', got '0x%x' at buffer[%u]",
buffer[i], i);
GUEST_DONE();
}
@ -91,7 +95,7 @@ int main(int argc, char *argv[])
case UCALL_DONE:
break;
case UCALL_ABORT:
REPORT_GUEST_ASSERT_2(uc, "argN+1 = 0x%lx, argN+2 = 0x%lx");
REPORT_GUEST_ASSERT(uc);
default:
TEST_FAIL("Unknown ucall %lu", uc.cmd);
}