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tests/tcg/aarch64: Add pauth smoke test 

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190201195404.30486-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2019-02-05 16:52:39 +00:00 committed by Peter Maydell
parent bff63fbf97
commit 06bf3b153a
2 changed files with 28 additions and 1 deletions
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6
tests/tcg/aarch64/Makefile.target
View File

@ -8,10 +8,14 @@ VPATH += $(AARCH64_SRC)
# we don't build any of the ARM tests
AARCH64_TESTS=$(filter-out $(ARM_TESTS), $(TESTS))
AARCH64_TESTS+=fcvt
TESTS:=$(AARCH64_TESTS)
fcvt: LDFLAGS+=-lm
run-fcvt: fcvt
$(call run-test,$<,$(QEMU) $<, "$< on $(TARGET_NAME)")
$(call diff-out,$<,$(AARCH64_SRC)/fcvt.ref)
AARCH64_TESTS += pauth-1
run-pauth-%: QEMU += -cpu max
TESTS:=$(AARCH64_TESTS)

23
tests/tcg/aarch64/pauth-1.c Normal file
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@ -0,0 +1,23 @@
#include <assert.h>
#include <sys/prctl.h>
asm(".arch armv8.4-a");
#ifndef PR_PAC_RESET_KEYS
#define PR_PAC_RESET_KEYS 54
#define PR_PAC_APDAKEY (1 << 2)
#endif
int main()
{
int x;
void *p0 = &x, *p1, *p2;
asm volatile("pacdza %0" : "=r"(p1) : "0"(p0));
prctl(PR_PAC_RESET_KEYS, PR_PAC_APDAKEY, 0, 0, 0);
asm volatile("pacdza %0" : "=r"(p2) : "0"(p0));
assert(p1 != p0);
assert(p1 != p2);
return 0;
}