@@ -12,7 +12,7 @@ all: $(TEST_GEN_PROGS) $(TEST_PROGS_EXTENDED)
fpsimd-test: fpsimd-test.o
$(CC) -nostdlib $^ -o $@
rdvl-sve: rdvl-sve.o rdvl.o
-sve-ptrace: sve-ptrace.o sve-ptrace-asm.o
+sve-ptrace: sve-ptrace.o
sve-probe-vls: sve-probe-vls.o rdvl.o
sve-test: sve-test.o
$(CC) -nostdlib $^ -o $@
deleted file mode 100644
@@ -1,33 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-// Copyright (C) 2015-2019 ARM Limited.
-// Original author: Dave Martin <Dave.Martin@arm.com>
-#include <asm/unistd.h>
-
-.arch_extension sve
-
-.globl sve_store_patterns
-
-sve_store_patterns:
- mov x1, x0
-
- index z0.b, #0, #1
- str q0, [x1]
-
- mov w8, #__NR_getpid
- svc #0
- str q0, [x1, #0x10]
-
- mov z1.d, z0.d
- str q0, [x1, #0x20]
-
- mov w8, #__NR_getpid
- svc #0
- str q0, [x1, #0x30]
-
- mov z1.d, z0.d
- str q0, [x1, #0x40]
-
- ret
-
-.size sve_store_patterns, . - sve_store_patterns
-.type sve_store_patterns, @function
@@ -26,11 +26,6 @@
#define NT_ARM_SVE 0x405
#endif
-/* Number of registers filled in by sve_store_patterns */
-#define NR_VREGS 5
-
-void sve_store_patterns(__uint128_t v[NR_VREGS]);
-
static void dump(const void *buf, size_t size)
{
size_t i;
@@ -40,23 +35,6 @@ static void dump(const void *buf, size_t size)
printf(" %.2x", *p++);
}
-static int check_vregs(const __uint128_t vregs[NR_VREGS])
-{
- int i;
- int ok = 1;
-
- for (i = 0; i < NR_VREGS; ++i) {
- printf("# v[%d]:", i);
- dump(&vregs[i], sizeof vregs[i]);
- putchar('\n');
-
- if (vregs[i] != vregs[0])
- ok = 0;
- }
-
- return ok;
-}
-
static int do_child(void)
{
if (ptrace(PTRACE_TRACEME, -1, NULL, NULL))
@@ -309,7 +287,6 @@ static int do_parent(pid_t child)
int main(void)
{
int ret = EXIT_SUCCESS;
- __uint128_t v[NR_VREGS];
pid_t child;
ksft_print_header();
@@ -318,11 +295,6 @@ int main(void)
if (!(getauxval(AT_HWCAP) & HWCAP_SVE))
ksft_exit_skip("SVE not available\n");
- sve_store_patterns(v);
-
- if (!check_vregs(v))
- ksft_exit_fail_msg("Initial check_vregs() failed\n");
-
child = fork();
if (!child)
return do_child();
For some reason the SVE ptrace test code starts off by setting values in some of the SVE vector registers in the parent process which it then never interacts with when verifying the ptrace interfaces. This is not especially relevant to what's being tested and somewhat confusing when reading the code so let's remove it. Signed-off-by: Mark Brown <broonie@kernel.org> --- tools/testing/selftests/arm64/fp/Makefile | 2 +- .../selftests/arm64/fp/sve-ptrace-asm.S | 33 ------------------- tools/testing/selftests/arm64/fp/sve-ptrace.c | 28 ---------------- 3 files changed, 1 insertion(+), 62 deletions(-) delete mode 100644 tools/testing/selftests/arm64/fp/sve-ptrace-asm.S