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                                  -e s/riscv.*/riscv/)
9
10ifndef ARCH
11ARCH := $(HOSTARCH)
12endif
13
14SRCARCH := $(ARCH)
15
16# Additional ARCH settings for x86
17ifeq ($(ARCH),i386)
18        SRCARCH := x86
19endif
20ifeq ($(ARCH),x86_64)
21        SRCARCH := x86
22endif
23
24# Additional ARCH settings for sparc
25ifeq ($(ARCH),sparc32)
26       SRCARCH := sparc
27endif
28ifeq ($(ARCH),sparc64)
29       SRCARCH := sparc
30endif
31
32# Additional ARCH settings for sh
33ifeq ($(ARCH),sh64)
34       SRCARCH := sh
35endif
36
37LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1)
38ifeq ($(LP64), 1)
39  IS_64_BIT := 1
40else
41  IS_64_BIT := 0
42endif
43