70cefe7654
CROSS_COMPILE must be setup before using e.g. cc-option (and a few other as-*, cc-*, ld-* macros), else they will check against the wrong compiler when cross-compiling, and may invoke the cross compiler with wrong or suboptimal compiler options. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Chris Zankel <chris@zankel.net>
90 lines
2.4 KiB
Makefile
90 lines
2.4 KiB
Makefile
#
|
|
# This file is subject to the terms and conditions of the GNU General Public
|
|
# License. See the file "COPYING" in the main directory of this archive
|
|
# for more details.
|
|
#
|
|
# Copyright (C) 2001 - 2005 Tensilica Inc.
|
|
#
|
|
# This file is included by the global makefile so that you can add your own
|
|
# architecture-specific flags and dependencies. Remember to do have actions
|
|
# for "archclean" and "archdep" for cleaning up and making dependencies for
|
|
# this architecture
|
|
|
|
# Core configuration.
|
|
# (Use VAR=<xtensa_config> to use another default compiler.)
|
|
|
|
variant-$(CONFIG_XTENSA_VARIANT_FSF) := fsf
|
|
variant-$(CONFIG_XTENSA_VARIANT_DC232B) := dc232b
|
|
variant-$(CONFIG_XTENSA_VARIANT_S6000) := s6000
|
|
variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM) := custom
|
|
|
|
VARIANT = $(variant-y)
|
|
export VARIANT
|
|
|
|
# Test for cross compiling
|
|
|
|
ifneq ($(VARIANT),)
|
|
COMPILE_ARCH = $(shell uname -m)
|
|
|
|
ifneq ($(COMPILE_ARCH), xtensa)
|
|
ifndef CROSS_COMPILE
|
|
CROSS_COMPILE = xtensa_$(VARIANT)-
|
|
endif
|
|
endif
|
|
endif
|
|
|
|
# Platform configuration
|
|
|
|
platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000
|
|
platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss
|
|
platform-$(CONFIG_XTENSA_PLATFORM_S6105) := s6105
|
|
|
|
PLATFORM = $(platform-y)
|
|
export PLATFORM
|
|
|
|
# temporarily until string.h is fixed
|
|
KBUILD_CFLAGS += -ffreestanding -D__linux__
|
|
|
|
KBUILD_CFLAGS += -pipe -mlongcalls
|
|
|
|
KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,)
|
|
|
|
vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y))
|
|
plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y))
|
|
|
|
ifeq ($(KBUILD_SRC),)
|
|
KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs))
|
|
else
|
|
KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs))
|
|
endif
|
|
|
|
KBUILD_DEFCONFIG := iss_defconfig
|
|
|
|
# Only build variant and/or platform if it includes a Makefile
|
|
|
|
buildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/)
|
|
buildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/)
|
|
|
|
# Find libgcc.a
|
|
|
|
LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
|
|
|
|
head-y := arch/xtensa/kernel/head.o
|
|
core-y += arch/xtensa/kernel/ arch/xtensa/mm/
|
|
core-y += $(buildvar) $(buildplf)
|
|
|
|
libs-y += arch/xtensa/lib/ $(LIBGCC)
|
|
|
|
boot := arch/xtensa/boot
|
|
|
|
all: zImage
|
|
|
|
bzImage : zImage
|
|
|
|
zImage: vmlinux
|
|
$(Q)$(MAKE) $(build)=$(boot) $@
|
|
|
|
define archhelp
|
|
@echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'
|
|
endef
|
|
|