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