We will add tools support for LoongArch (bpf, perf, objtool, etc.), add
build infrastructure and common headers for preparation.
Signed-off-by: Huacai Chen <chenhuacai@xxxxxxxxxxx>
---
tools/arch/loongarch/include/uapi/asm/bitsperlong.h | 9 +++++++++
tools/scripts/Makefile.arch | 11 ++++++++++-
2 files changed, 19 insertions(+), 1 deletion(-)
create mode 100644 tools/arch/loongarch/include/uapi/asm/bitsperlong.h
diff --git a/tools/arch/loongarch/include/uapi/asm/bitsperlong.h b/tools/arch/loongarch/include/uapi/asm/bitsperlong.h
new file mode 100644
index 000000000000..d4e32b3d4843
--- /dev/null
+++ b/tools/arch/loongarch/include/uapi/asm/bitsperlong.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef __ASM_LOONGARCH_BITSPERLONG_H
+#define __ASM_LOONGARCH_BITSPERLONG_H
+
+#define __BITS_PER_LONG (__SIZEOF_POINTER__ * 8)
+
+#include <asm-generic/bitsperlong.h>
+
+#endif /* __ASM_LOONGARCH_BITSPERLONG_H */
diff --git a/tools/scripts/Makefile.arch b/tools/scripts/Makefile.arch
index 0c6c7f456887..1c72d07cb9fe 100644
--- a/tools/scripts/Makefile.arch
+++ b/tools/scripts/Makefile.arch
@@ -5,7 +5,7 @@ HOSTARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \
-e s/s390x/s390/ -e s/parisc64/parisc/ \
-e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
-e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \
- -e s/riscv.*/riscv/)
+ -e s/riscv.*/riscv/ -e s/loongarch.*/loongarch/)
ifndef ARCH
ARCH := $(HOSTARCH)
@@ -34,6 +34,15 @@ ifeq ($(ARCH),sh64)
SRCARCH := sh
endif
+# Additional ARCH settings for loongarch
+ifeq ($(ARCH),loongarch32)
+ SRCARCH := loongarch
+endif
+
+ifeq ($(ARCH),loongarch64)
+ SRCARCH := loongarch
+endif
+
LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1)
ifeq ($(LP64), 1)
IS_64_BIT := 1
--
2.31.1
