linux-kernel - [PATCH v2 2/7] selftests/nolibc: allow use mips64 toolchain for mips

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Message-Id: <954c9c14ddd37f8612db256ccde0efc26a300a2e.1691783604.git.falcon@tinylab.org>
Date:   Sat, 12 Aug 2023 04:29:17 +0800
From:   Zhangjin Wu <falcon@...ylab.org>
To:     falcon@...ylab.org, w@....eu
Cc:     linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        tanyuan@...ylab.org, thomas@...ch.de
Subject: [PATCH v2 2/7] selftests/nolibc: allow use mips64 toolchain for mips

This allows to share the same mips64 toolchain for mips architecture.

Pass '-mabi=32' CFLAGS to tell mips64 toolchains to generate 32-bit mips
executable.

Signed-off-by: Zhangjin Wu <falcon@...ylab.org>
---
 tools/testing/selftests/nolibc/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile
index 98d0a619d49d..d1012f006405 100644
--- a/tools/testing/selftests/nolibc/Makefile
+++ b/tools/testing/selftests/nolibc/Makefile
@@ -130,7 +130,7 @@ CFLAGS_ppc = -m32 -mbig-endian -mno-vsx $(call cc-option,-mmultiple)
 CFLAGS_ppc64 = -m64 -mbig-endian -mno-vsx $(call cc-option,-mmultiple)
 CFLAGS_ppc64le = -m64 -mlittle-endian -mno-vsx $(call cc-option,-mabi=elfv2)
 CFLAGS_s390 = -m64
-CFLAGS_mips = -EL
+CFLAGS_mips = -mabi=32 -EL
 CFLAGS_STACKPROTECTOR ?= $(call cc-option,-mstack-protector-guard=global $(call cc-option,-fstack-protector-all))
 CFLAGS  ?= -Os -fno-ident -fno-asynchronous-unwind-tables -std=c89 -W -Wall -Wextra \
 		$(call cc-option,-fno-stack-protector) \
-- 
2.25.1