| # |
| # 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 |
| |
