tools/scripts/Makefile.arch

   1 # SPDX-License-Identifier: GPL-2.0
   2 HOSTARCH := $(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/ -e s/loongarch.*/loongarch/)
   9
  10 ifndef ARCH
  11 ARCH := $(HOSTARCH)
  12 endif
  13
  14 SRCARCH := $(ARCH)
  15
  16 # Additional ARCH settings for x86
  17 ifeq ($(ARCH),i386)
  18         SRCARCH := x86
  19 endif
  20 ifeq ($(ARCH),x86_64)
  21         SRCARCH := x86
  22 endif
  23
  24 # Additional ARCH settings for sparc
  25 ifeq ($(ARCH),sparc32)
  26        SRCARCH := sparc
  27 endif
  28 ifeq ($(ARCH),sparc64)
  29        SRCARCH := sparc
  30 endif
  31
  32 # Additional ARCH settings for loongarch
  33 ifeq ($(ARCH),loongarch32)
  34        SRCARCH := loongarch
  35 endif
  36
  37 ifeq ($(ARCH),loongarch64)
  38        SRCARCH := loongarch
  39 endif
  40
  41 LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1)
  42 ifeq ($(LP64), 1)
  43   IS_64_BIT := 1
  44 else
  45   IS_64_BIT := 0
  46 endif