1# SPDX-License-Identifier: GPL-2.0 2HOSTARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \ 3 -e s/sun4u/sparc/ -e s/sparc64/sparc/ \ 4 -e /arm64/!s/arm.*/arm/ -e s/sa110/arm/ \ 5 -e s/s390x/s390/ -e s/parisc64/parisc/ \ 6 -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ 7 -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ ) 8 9ifndef ARCH 10ARCH := $(HOSTARCH) 11endif 12 13SRCARCH := $(ARCH) 14 15# Additional ARCH settings for x86 16ifeq ($(ARCH),i386) 17 SRCARCH := x86 18endif 19ifeq ($(ARCH),x86_64) 20 SRCARCH := x86 21endif 22 23# Additional ARCH settings for sparc 24ifeq ($(ARCH),sparc32) 25 SRCARCH := sparc 26endif 27ifeq ($(ARCH),sparc64) 28 SRCARCH := sparc 29endif 30 31# Additional ARCH settings for sh 32ifeq ($(ARCH),sh64) 33 SRCARCH := sh 34endif 35 36LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1) 37ifeq ($(LP64), 1) 38 IS_64_BIT := 1 39else 40 IS_64_BIT := 0 41endif 42