1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 HOSTARCH := $(shell uname -m | sed -e s/i.86/x 2 HOSTARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \
3 -e s/sun4u/s 3 -e s/sun4u/sparc/ -e s/sparc64/sparc/ \
4 -e /arm64/!s 4 -e /arm64/!s/arm.*/arm/ -e s/sa110/arm/ \
5 -e s/s390x/s 5 -e s/s390x/s390/ -e s/parisc64/parisc/ \
6 -e s/ppc.*/p 6 -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
7 -e s/sh[234] !! 7 -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ )
8 -e s/riscv.* <<
9 8
10 ifndef ARCH 9 ifndef ARCH
11 ARCH := $(HOSTARCH) 10 ARCH := $(HOSTARCH)
12 endif 11 endif
13 12
14 SRCARCH := $(ARCH) 13 SRCARCH := $(ARCH)
15 14
16 # Additional ARCH settings for x86 15 # Additional ARCH settings for x86
17 ifeq ($(ARCH),i386) 16 ifeq ($(ARCH),i386)
18 SRCARCH := x86 17 SRCARCH := x86
19 endif 18 endif
20 ifeq ($(ARCH),x86_64) 19 ifeq ($(ARCH),x86_64)
21 SRCARCH := x86 20 SRCARCH := x86
22 endif 21 endif
23 22
24 # Additional ARCH settings for sparc 23 # Additional ARCH settings for sparc
25 ifeq ($(ARCH),sparc32) 24 ifeq ($(ARCH),sparc32)
26 SRCARCH := sparc 25 SRCARCH := sparc
27 endif 26 endif
28 ifeq ($(ARCH),sparc64) 27 ifeq ($(ARCH),sparc64)
29 SRCARCH := sparc 28 SRCARCH := sparc
30 endif 29 endif
31 30
32 # Additional ARCH settings for loongarch !! 31 # Additional ARCH settings for sh
33 ifeq ($(ARCH),loongarch32) !! 32 ifeq ($(ARCH),sh64)
34 SRCARCH := loongarch !! 33 SRCARCH := sh
35 endif <<
36 <<
37 ifeq ($(ARCH),loongarch64) <<
38 SRCARCH := loongarch <<
39 endif 34 endif
40 35
41 LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS 36 LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1)
42 ifeq ($(LP64), 1) 37 ifeq ($(LP64), 1)
43 IS_64_BIT := 1 38 IS_64_BIT := 1
44 else 39 else
45 IS_64_BIT := 0 40 IS_64_BIT := 0
46 endif 41 endif
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.