Commit 06bf3b15 authored by Richard Henderson's avatar Richard Henderson Committed by Peter Maydell
Browse files

tests/tcg/aarch64: Add pauth smoke test 



Reviewed-by: default avatarAlex Bennée <alex.bennee@linaro.org>
Signed-off-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Message-id: 20190201195404.30486-3-richard.henderson@linaro.org
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent bff63fbf

tests/tcg/aarch64/Makefile.target

+5 −1
Original line number Diff line number Diff line
@@ -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)

tests/tcg/aarch64/pauth-1.c

0 → 100644
+23 −0
Original line number Diff line number Diff line 
#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;

}