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.* 8 -e s/riscv.*/riscv/ -e s/loongarch.*/loongarch/)
9 9
10 ifndef ARCH 10 ifndef ARCH
11 ARCH := $(HOSTARCH) 11 ARCH := $(HOSTARCH)
12 endif 12 endif
13 13
14 SRCARCH := $(ARCH) 14 SRCARCH := $(ARCH)
15 15
16 # Additional ARCH settings for x86 16 # Additional ARCH settings for x86
17 ifeq ($(ARCH),i386) 17 ifeq ($(ARCH),i386)
18 SRCARCH := x86 18 SRCARCH := x86
19 endif 19 endif
20 ifeq ($(ARCH),x86_64) 20 ifeq ($(ARCH),x86_64)
21 SRCARCH := x86 21 SRCARCH := x86
22 endif 22 endif
23 23
24 # Additional ARCH settings for sparc 24 # Additional ARCH settings for sparc
25 ifeq ($(ARCH),sparc32) 25 ifeq ($(ARCH),sparc32)
26 SRCARCH := sparc 26 SRCARCH := sparc
27 endif 27 endif
28 ifeq ($(ARCH),sparc64) 28 ifeq ($(ARCH),sparc64)
29 SRCARCH := sparc 29 SRCARCH := sparc
30 endif 30 endif
31 31
32 # Additional ARCH settings for loongarch 32 # Additional ARCH settings for loongarch
33 ifeq ($(ARCH),loongarch32) 33 ifeq ($(ARCH),loongarch32)
34 SRCARCH := loongarch 34 SRCARCH := loongarch
35 endif 35 endif
36 36
37 ifeq ($(ARCH),loongarch64) 37 ifeq ($(ARCH),loongarch64)
38 SRCARCH := loongarch 38 SRCARCH := loongarch
39 endif 39 endif
40 40
41 LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS 41 LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1)
42 ifeq ($(LP64), 1) 42 ifeq ($(LP64), 1)
43 IS_64_BIT := 1 43 IS_64_BIT := 1
44 else 44 else
45 IS_64_BIT := 0 45 IS_64_BIT := 0
46 endif 46 endif
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