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tests/tcg/aarch64: add DC CVA[D]P tests 

Test execution of DC CVAP and DC CVADP instructions under user mode
emulation.

Signed-off-by: Zhuojia Shen <chaosdefinition@hotmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
master
Zhuojia Shen 2023-06-06 10:19:40 +01:00 committed by Peter Maydell
parent cd4a47f907
commit c81e4ab370
3 changed files with 137 additions and 0 deletions
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11
tests/tcg/aarch64/Makefile.target
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@ -21,12 +21,23 @@ config-cc.mak: Makefile
$(quiet-@)( \
$(call cc-option,-march=armv8.1-a+sve, CROSS_CC_HAS_SVE); \
$(call cc-option,-march=armv8.1-a+sve2, CROSS_CC_HAS_SVE2); \
$(call cc-option,-march=armv8.2-a, CROSS_CC_HAS_ARMV8_2); \
$(call cc-option,-march=armv8.3-a, CROSS_CC_HAS_ARMV8_3); \
$(call cc-option,-march=armv8.5-a, CROSS_CC_HAS_ARMV8_5); \
$(call cc-option,-mbranch-protection=standard, CROSS_CC_HAS_ARMV8_BTI); \
$(call cc-option,-march=armv8.5-a+memtag, CROSS_CC_HAS_ARMV8_MTE); \
$(call cc-option,-march=armv9-a+sme, CROSS_CC_HAS_ARMV9_SME)) 3> config-cc.mak
-include config-cc.mak
ifneq ($(CROSS_CC_HAS_ARMV8_2),)
AARCH64_TESTS += dcpop
dcpop: CFLAGS += -march=armv8.2-a
endif
ifneq ($(CROSS_CC_HAS_ARMV8_5),)
AARCH64_TESTS += dcpodp
dcpodp: CFLAGS += -march=armv8.5-a
endif
# Pauth Tests
ifneq ($(CROSS_CC_HAS_ARMV8_3),)
AARCH64_TESTS += pauth-1 pauth-2 pauth-4 pauth-5

63
tests/tcg/aarch64/dcpodp.c Normal file
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@ -0,0 +1,63 @@
/*
* Test execution of DC CVADP instruction.
*
* Copyright (c) 2023 Zhuojia Shen <chaosdefinition@hotmail.com>
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <asm/hwcap.h>
#include <sys/auxv.h>
#include <signal.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#ifndef HWCAP2_DCPODP
#define HWCAP2_DCPODP (1 << 0)
#endif
bool should_fail = false;
static void signal_handler(int sig, siginfo_t *si, void *data)
{
ucontext_t *uc = (ucontext_t *)data;
if (should_fail) {
uc->uc_mcontext.pc += 4;
} else {
exit(EXIT_FAILURE);
}
}
static int do_dc_cvadp(void)
{
struct sigaction sa = {
.sa_flags = SA_SIGINFO,
.sa_sigaction = signal_handler,
};
sigemptyset(&sa.sa_mask);
if (sigaction(SIGSEGV, &sa, NULL) < 0) {
perror("sigaction");
return EXIT_FAILURE;
}
asm volatile("dc cvadp, %0\n\t" :: "r"(&sa));
should_fail = true;
asm volatile("dc cvadp, %0\n\t" :: "r"(NULL));
should_fail = false;
return EXIT_SUCCESS;
}
int main(void)
{
if (getauxval(AT_HWCAP2) & HWCAP2_DCPODP) {
return do_dc_cvadp();
} else {
printf("SKIP: no HWCAP2_DCPODP on this system\n");
return EXIT_SUCCESS;
}
}

63
tests/tcg/aarch64/dcpop.c Normal file
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@ -0,0 +1,63 @@
/*
* Test execution of DC CVAP instruction.
*
* Copyright (c) 2023 Zhuojia Shen <chaosdefinition@hotmail.com>
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <asm/hwcap.h>
#include <sys/auxv.h>
#include <signal.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#ifndef HWCAP_DCPOP
#define HWCAP_DCPOP (1 << 16)
#endif
bool should_fail = false;
static void signal_handler(int sig, siginfo_t *si, void *data)
{
ucontext_t *uc = (ucontext_t *)data;
if (should_fail) {
uc->uc_mcontext.pc += 4;
} else {
exit(EXIT_FAILURE);
}
}
static int do_dc_cvap(void)
{
struct sigaction sa = {
.sa_flags = SA_SIGINFO,
.sa_sigaction = signal_handler,
};
sigemptyset(&sa.sa_mask);
if (sigaction(SIGSEGV, &sa, NULL) < 0) {
perror("sigaction");
return EXIT_FAILURE;
}
asm volatile("dc cvap, %0\n\t" :: "r"(&sa));
should_fail = true;
asm volatile("dc cvap, %0\n\t" :: "r"(NULL));
should_fail = false;
return EXIT_SUCCESS;
}
int main(void)
{
if (getauxval(AT_HWCAP) & HWCAP_DCPOP) {
return do_dc_cvap();
} else {
printf("SKIP: no HWCAP_DCPOP on this system\n");
return EXIT_SUCCESS;
}
}