forked from Minki/linux
8e1a6dd2fd
The attached patches provides part 1 of an architecture implementation for the Tensilica Xtensa CPU series. Signed-off-by: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
103 lines
2.7 KiB
Makefile
103 lines
2.7 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 CPU=<xtensa_config> to use another default compiler.)
|
|
|
|
cpu-$(CONFIG_XTENSA_CPU_LINUX_BE) := linux_be
|
|
cpu-$(CONFIG_XTENSA_CPU_LINUX_CUSTOM) := linux_custom
|
|
|
|
CPU = $(cpu-y)
|
|
export CPU
|
|
|
|
# Platform configuration
|
|
|
|
platform-y := common
|
|
platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000
|
|
platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss
|
|
|
|
PLATFORM = $(platform-y)
|
|
export PLATFORM
|
|
|
|
#LDFLAGS_vmlinux := -T$(word 1,$(LINKSCRIPT))
|
|
AFLAGS_vmlinux.lds.o := -Uxtensa
|
|
CPPFLAGS += -Iarch/xtensa -Iinclude/asm -mlongcalls -g
|
|
AFLAGS += -Iarch/xtensa -Iinclude/asm
|
|
CPP = $(CC) -E $(CFLAGS)
|
|
|
|
cflags-y += -Iarch/xtensa -pipe -mlongcalls
|
|
|
|
|
|
KBUILD_DEFCONFIG := common_defconfig
|
|
|
|
# ramdisk/initrd support
|
|
# You need a compressed ramdisk image, named ramdisk.gz in
|
|
# arch/xtensa/boot/ramdisk
|
|
|
|
core-$(CONFIG_EMBEDDED_RAMDISK) += arch/xtensa/boot/ramdisk/
|
|
|
|
# Test for cross compiling
|
|
|
|
ifneq ($(CPU),)
|
|
COMPILE_ARCH = $(shell uname -m)
|
|
|
|
ifneq ($(COMPILE_ARCH), xtensa)
|
|
ifndef CROSS_COMPILE
|
|
CROSS_COMPILE = xtensa_$(CPU)-
|
|
endif
|
|
endif
|
|
endif
|
|
|
|
#
|
|
|
|
LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
|
|
|
|
head-y := arch/xtensa/kernel/head.o
|
|
core-y += arch/xtensa/kernel/ \
|
|
arch/xtensa/mm/ arch/xtensa/platform-$(PLATFORM)/
|
|
libs-y += arch/xtensa/lib/ $(LIBGCC)
|
|
|
|
boot := arch/xtensa/boot
|
|
|
|
arch/xtensa/kernel/asm-offsets.s: \
|
|
arch/xtensa/kernel/asm-offsets.c \
|
|
include/asm-xtensa/.platform
|
|
|
|
include/asm-xtensa/offsets.h: arch/xtensa/kernel/asm-offsets.s
|
|
$(call filechk,gen-asm-offsets)
|
|
|
|
prepare: include/asm-xtensa/.platform include/asm-xtensa/offsets.h
|
|
|
|
# Update machine cpu and platform symlinks if something which affects
|
|
# them changed.
|
|
|
|
include/asm-xtensa/.platform: $(wildcard include/config/arch/*.h)
|
|
@echo ' Setting up cpu ($(CPU)) and platform ($(PLATFORM)) symlinks'
|
|
$(Q)rm -f include/asm-xtensa/platform
|
|
$(Q)rm -f include/asm-xtensa/xtensa/config
|
|
$(Q)(cd include/asm-xtensa/; ln -sf platform-$(PLATFORM) platform)
|
|
$(Q)(cd include/asm-xtensa/xtensa; ln -sf config-$(CPU) config)
|
|
|
|
all: zImage
|
|
|
|
bzImage : zImage
|
|
|
|
zImage zImage.initrd: vmlinux
|
|
$(Q)$(MAKE) $(build)=$(boot) $@
|
|
|
|
CLEAN_FILES += arch/xtensa/vmlinux.lds include/asm-xtensa/offset.h
|
|
|
|
define archhelp
|
|
@echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'
|
|
endef
|
|
|