| Chris Zankel | 8e1a6dd | 2005-06-23 22:01:10 -0700 | [diff] [blame^] | 1 | # |
| 2 | # This file is subject to the terms and conditions of the GNU General Public |
| 3 | # License. See the file "COPYING" in the main directory of this archive |
| 4 | # for more details. |
| 5 | # |
| 6 | # Copyright (C) 2001 - 2005 Tensilica Inc. |
| 7 | # |
| 8 | # This file is included by the global makefile so that you can add your own |
| 9 | # architecture-specific flags and dependencies. Remember to do have actions |
| 10 | # for "archclean" and "archdep" for cleaning up and making dependencies for |
| 11 | # this architecture |
| 12 | |
| 13 | # Core configuration. |
| 14 | # (Use CPU=<xtensa_config> to use another default compiler.) |
| 15 | |
| 16 | cpu-$(CONFIG_XTENSA_CPU_LINUX_BE) := linux_be |
| 17 | cpu-$(CONFIG_XTENSA_CPU_LINUX_CUSTOM) := linux_custom |
| 18 | |
| 19 | CPU = $(cpu-y) |
| 20 | export CPU |
| 21 | |
| 22 | # Platform configuration |
| 23 | |
| 24 | platform-y := common |
| 25 | platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 |
| 26 | platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss |
| 27 | |
| 28 | PLATFORM = $(platform-y) |
| 29 | export PLATFORM |
| 30 | |
| 31 | #LDFLAGS_vmlinux := -T$(word 1,$(LINKSCRIPT)) |
| 32 | AFLAGS_vmlinux.lds.o := -Uxtensa |
| 33 | CPPFLAGS += -Iarch/xtensa -Iinclude/asm -mlongcalls -g |
| 34 | AFLAGS += -Iarch/xtensa -Iinclude/asm |
| 35 | CPP = $(CC) -E $(CFLAGS) |
| 36 | |
| 37 | cflags-y += -Iarch/xtensa -pipe -mlongcalls |
| 38 | |
| 39 | |
| 40 | KBUILD_DEFCONFIG := common_defconfig |
| 41 | |
| 42 | # ramdisk/initrd support |
| 43 | # You need a compressed ramdisk image, named ramdisk.gz in |
| 44 | # arch/xtensa/boot/ramdisk |
| 45 | |
| 46 | core-$(CONFIG_EMBEDDED_RAMDISK) += arch/xtensa/boot/ramdisk/ |
| 47 | |
| 48 | # Test for cross compiling |
| 49 | |
| 50 | ifneq ($(CPU),) |
| 51 | COMPILE_ARCH = $(shell uname -m) |
| 52 | |
| 53 | ifneq ($(COMPILE_ARCH), xtensa) |
| 54 | ifndef CROSS_COMPILE |
| 55 | CROSS_COMPILE = xtensa_$(CPU)- |
| 56 | endif |
| 57 | endif |
| 58 | endif |
| 59 | |
| 60 | # |
| 61 | |
| 62 | LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name) |
| 63 | |
| 64 | head-y := arch/xtensa/kernel/head.o |
| 65 | core-y += arch/xtensa/kernel/ \ |
| 66 | arch/xtensa/mm/ arch/xtensa/platform-$(PLATFORM)/ |
| 67 | libs-y += arch/xtensa/lib/ $(LIBGCC) |
| 68 | |
| 69 | boot := arch/xtensa/boot |
| 70 | |
| 71 | arch/xtensa/kernel/asm-offsets.s: \ |
| 72 | arch/xtensa/kernel/asm-offsets.c \ |
| 73 | include/asm-xtensa/.platform |
| 74 | |
| 75 | include/asm-xtensa/offsets.h: arch/xtensa/kernel/asm-offsets.s |
| 76 | $(call filechk,gen-asm-offsets) |
| 77 | |
| 78 | prepare: include/asm-xtensa/.platform include/asm-xtensa/offsets.h |
| 79 | |
| 80 | # Update machine cpu and platform symlinks if something which affects |
| 81 | # them changed. |
| 82 | |
| 83 | include/asm-xtensa/.platform: $(wildcard include/config/arch/*.h) |
| 84 | @echo ' Setting up cpu ($(CPU)) and platform ($(PLATFORM)) symlinks' |
| 85 | $(Q)rm -f include/asm-xtensa/platform |
| 86 | $(Q)rm -f include/asm-xtensa/xtensa/config |
| 87 | $(Q)(cd include/asm-xtensa/; ln -sf platform-$(PLATFORM) platform) |
| 88 | $(Q)(cd include/asm-xtensa/xtensa; ln -sf config-$(CPU) config) |
| 89 | |
| 90 | all: zImage |
| 91 | |
| 92 | bzImage : zImage |
| 93 | |
| 94 | zImage zImage.initrd: vmlinux |
| 95 | $(Q)$(MAKE) $(build)=$(boot) $@ |
| 96 | |
| 97 | CLEAN_FILES += arch/xtensa/vmlinux.lds include/asm-xtensa/offset.h |
| 98 | |
| 99 | define archhelp |
| 100 | @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)' |
| 101 | endef |
| 102 | |