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

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
/* 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 */
...@@ -5,7 +5,7 @@ HOSTARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \ ...@@ -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/s390x/s390/ -e s/parisc64/parisc/ \
-e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
-e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \ -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \
-e s/riscv.*/riscv/) -e s/riscv.*/riscv/ -e s/loongarch.*/loongarch/)
ifndef ARCH ifndef ARCH
ARCH := $(HOSTARCH) ARCH := $(HOSTARCH)
...@@ -34,6 +34,15 @@ ifeq ($(ARCH),sh64) ...@@ -34,6 +34,15 @@ ifeq ($(ARCH),sh64)
SRCARCH := sh SRCARCH := sh
endif endif
# Additional ARCH settings for loongarch
ifeq ($(ARCH),loongarch32)
SRCARCH := loongarch
endif
ifeq ($(ARCH),loongarch64)
SRCARCH := loongarch
endif
LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1) LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1)
ifeq ($(LP64), 1) ifeq ($(LP64), 1)
IS_64_BIT := 1 IS_64_BIT := 1
......
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