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