Commit 121ff07b authored by Huacai Chen's avatar Huacai Chen
Browse files

tools: Add LoongArch build infrastructure 



We will add tools support for LoongArch (bpf, perf, objtool, etc.), add
build infrastructure and common headers for preparation.

Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
parent a6484baa

tools/arch/loongarch/include/uapi/asm/bitsperlong.h

0 → 100644
+9 −0
Original line number Diff line number Diff line 
/* 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 */

tools/scripts/Makefile.arch

+10 −1
Original line number Diff line number Diff line
@@ -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