[RFC PATCH 2/3] selftests/powerpc: update strlen() test to test the new assembly function for PPC64
From: Christophe Leroy <hidden>
Date: 2018-07-05 08:54:06
Also in:
lkml
Subsystem:
kernel selftest framework, the rest · Maintainers:
Shuah Khan, Shuah Khan, Linus Torvalds
This patch adds a test for testing the new assembly strlen() for PPC64 Signed-off-by: Christophe Leroy <redacted> --- Untested tools/testing/selftests/powerpc/stringloops/Makefile | 5 ++++- tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h | 12 ++++++++++++ tools/testing/selftests/powerpc/stringloops/strlen_64.S | 1 + 3 files changed, 17 insertions(+), 1 deletion(-) create mode 120000 tools/testing/selftests/powerpc/stringloops/strlen_64.S
diff --git a/tools/testing/selftests/powerpc/stringloops/Makefile b/tools/testing/selftests/powerpc/stringloops/Makefile
index 2f0bd203e18a..bff66284375c 100644
--- a/tools/testing/selftests/powerpc/stringloops/Makefile
+++ b/tools/testing/selftests/powerpc/stringloops/Makefile@@ -16,9 +16,12 @@ $(OUTPUT)/string.o: string.c $(OUTPUT)/strlen_32: strlen.c $(OUTPUT)/strlen_32: CFLAGS += -m32 +$(OUTPUT)/strlen_64: strlen.c +$(OUTPUT)/strlen_64: CFLAGS += -m64 + ASFLAGS = $(CFLAGS) -TEST_GEN_PROGS := memcmp_32 memcmp_64 strlen strlen_32 +TEST_GEN_PROGS := memcmp_32 memcmp_64 strlen strlen_32 strlen_64 include ../../lib.mk
diff --git a/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h b/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h
index 161a7ee54005..891092990217 100644
--- a/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h
+++ b/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h@@ -1,4 +1,9 @@ /* SPDX-License-Identifier: GPL-2.0 */ +#ifdef __LITTLE_ENDIAN__ +#define CONFIG_CPU_LITTLE_ENDIAN +#else +#define CONFIG_CPU_BIG_ENDIAN +#endif #include <ppc-asm.h>
@@ -15,4 +20,11 @@ #define PPC_ROTLI rotlwi #define PPC_CNTLZL cntlzw #define PPC_SRLI srwi +#else +#define SZL 8 +#define PPC_LLU ldu +#define PPC_LCMPI cmpldi +#define PPC_ROTLI rotldi +#define PPC_CNTLZL cntlzd +#define PPC_SRLI srdi #endif
diff --git a/tools/testing/selftests/powerpc/stringloops/strlen_64.S b/tools/testing/selftests/powerpc/stringloops/strlen_64.S
new file mode 120000
index 000000000000..d720a2766ec3
--- /dev/null
+++ b/tools/testing/selftests/powerpc/stringloops/strlen_64.S@@ -0,0 +1 @@ +../../../../../arch/powerpc/lib/strlen_64.S
\ No newline at end of file -- 2.13.3