[RFC PATCH 2/4] powerpc selftest: reuse ppc-opcode macros to avoid redundancy
From: Balamuruhan S <hidden>
Date: 2020-03-20 08:26:28
Subsystem:
kernel selftest framework, the rest · Maintainers:
Shuah Khan, Shuah Khan, Linus Torvalds
Avoid redefining macros to encode ppc instructions instead reuse it from ppc-opcode.h, Makefile changes are necessary to compile memcmp_64.S with __ASSEMBLY__ defined from selftests. Signed-off-by: Balamuruhan S <redacted> --- .../selftests/powerpc/stringloops/Makefile | 15 ++++++-- .../powerpc/stringloops/asm/asm-const.h | 1 + .../powerpc/stringloops/asm/ppc-opcode.h | 36 +------------------ 3 files changed, 14 insertions(+), 38 deletions(-) create mode 120000 tools/testing/selftests/powerpc/stringloops/asm/asm-const.h mode change 100644 => 120000 tools/testing/selftests/powerpc/stringloops/asm/ppc-opcode.h
diff --git a/tools/testing/selftests/powerpc/stringloops/Makefile b/tools/testing/selftests/powerpc/stringloops/Makefile
index 7fc0623d85c3..43eb14bfbe3a 100644
--- a/tools/testing/selftests/powerpc/stringloops/Makefile
+++ b/tools/testing/selftests/powerpc/stringloops/Makefile@@ -6,10 +6,19 @@ EXTRA_SOURCES := ../harness.c build_32bit = $(shell if ($(CC) $(CFLAGS) -m32 -o /dev/null memcmp.c >/dev/null 2>&1) then echo "1"; fi) -TEST_GEN_PROGS := memcmp_64 strlen +TEST_GEN_PROGS := memcmp_64 memcmp harness memcmp64 strlen -$(OUTPUT)/memcmp_64: memcmp.c -$(OUTPUT)/memcmp_64: CFLAGS += -m64 -maltivec +$(OUTPUT)/memcmp64: memcmp_64.o memcmp.o ../harness.o + $(CC) $(CFLAGS) -m64 -maltivec memcmp.o memcmp_64.o ../harness.o -o memcmp_64 + +$(OUTPUT)/memcmp_64: memcmp_64.S + $(CC) $(CFLAGS) -m64 -maltivec -D__ASSEMBLY__ -o memcmp_64.o -c memcmp_64.S + +$(OUTPUT)/memcmp: memcmp.c + $(CC) $(CFLAGS) -m64 -maltivec -o memcmp.o -c memcmp.c + +$(OUTPUT)/harness: $(EXTRA_SOURCES) + $(CC) $(CFLAGS) -m64 -maltivec -o ../harness.o -c $(EXTRA_SOURCES) ifeq ($(build_32bit),1) $(OUTPUT)/memcmp_32: memcmp.c
diff --git a/tools/testing/selftests/powerpc/stringloops/asm/asm-const.h b/tools/testing/selftests/powerpc/stringloops/asm/asm-const.h
new file mode 120000
index 000000000000..18d8be13e67f
--- /dev/null
+++ b/tools/testing/selftests/powerpc/stringloops/asm/asm-const.h@@ -0,0 +1 @@ +../../../../../../arch/powerpc/include/asm/asm-const.h
\ No newline at end of file
diff --git a/tools/testing/selftests/powerpc/stringloops/asm/ppc-opcode.h b/tools/testing/selftests/powerpc/stringloops/asm/ppc-opcode.h
deleted file mode 100644
index 3edd1a1d9128..000000000000
--- a/tools/testing/selftests/powerpc/stringloops/asm/ppc-opcode.h
+++ /dev/null@@ -1,35 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Copyright 2009 Freescale Semiconductor, Inc. - * - * provides masks and opcode images for use by code generation, emulation - * and for instructions that older assemblers might not know about - */ -#ifndef _ASM_POWERPC_PPC_OPCODE_H -#define _ASM_POWERPC_PPC_OPCODE_H - - -# define stringify_in_c(...) __VA_ARGS__ -# define ASM_CONST(x) x - - -#define PPC_INST_VCMPEQUD_RC 0x100000c7 -#define PPC_INST_VCMPEQUB_RC 0x10000006 - -#define __PPC_RC21 (0x1 << 10) - -/* macros to insert fields into opcodes */ -#define ___PPC_RA(a) (((a) & 0x1f) << 16) -#define ___PPC_RB(b) (((b) & 0x1f) << 11) -#define ___PPC_RS(s) (((s) & 0x1f) << 21) -#define ___PPC_RT(t) ___PPC_RS(t) - -#define VCMPEQUD_RC(vrt, vra, vrb) stringify_in_c(.long PPC_INST_VCMPEQUD_RC | \ - ___PPC_RT(vrt) | ___PPC_RA(vra) | \ - ___PPC_RB(vrb) | __PPC_RC21) - -#define VCMPEQUB_RC(vrt, vra, vrb) stringify_in_c(.long PPC_INST_VCMPEQUB_RC | \ - ___PPC_RT(vrt) | ___PPC_RA(vra) | \ - ___PPC_RB(vrb) | __PPC_RC21) - -#endif /* _ASM_POWERPC_PPC_OPCODE_H */
diff --git a/tools/testing/selftests/powerpc/stringloops/asm/ppc-opcode.h b/tools/testing/selftests/powerpc/stringloops/asm/ppc-opcode.h
new file mode 120000
index 000000000000..f9b1f27ac335
--- /dev/null
+++ b/tools/testing/selftests/powerpc/stringloops/asm/ppc-opcode.h@@ -0,0 +1 @@ +../../../../../../arch/powerpc/include/asm/ppc-opcode.h
\ No newline at end of file -- 2.24.1