| | 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 VAR=<xtensa_config> to use another default compiler.) |
| | 15 | |
| | 16 | variant-$(CONFIG_XTENSA_VARIANT_FSF) := fsf |
| | 17 | variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM) := custom |
| | 18 | |
| | 19 | VARIANT = $(variant-y) |
| | 20 | export VARIANT |
| | 21 | |
| | 22 | # Platform configuration |
| | 23 | |
| | 24 | platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 |
| | 25 | platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss |
| | 26 | |
| | 27 | PLATFORM = $(platform-y) |
| | 28 | export PLATFORM |
| | 29 | |
| | 30 | # temporarily until string.h is fixed |
| | 31 | KBUILD_CFLAGS += -ffreestanding |
| | 32 | |
| | 33 | KBUILD_CFLAGS += -pipe -mlongcalls |
| | 34 | |
| | 35 | KBUILD_DEFCONFIG := iss_defconfig |
| | 36 | |
| | 37 | # ramdisk/initrd support |
| | 38 | # You need a compressed ramdisk image, named ramdisk.gz in |
| | 39 | # arch/xtensa/boot/ramdisk |
| | 40 | |
| | 41 | core-$(CONFIG_EMBEDDED_RAMDISK) += arch/xtensa/boot/ramdisk/ |
| | 42 | |
| | 43 | # Test for cross compiling |
| | 44 | |
| | 45 | ifneq ($(VARIANT),) |
| | 46 | COMPILE_ARCH = $(shell uname -m) |
| | 47 | |
| | 48 | ifneq ($(COMPILE_ARCH), xtensa) |
| | 49 | ifndef CROSS_COMPILE |
| | 50 | CROSS_COMPILE = xtensa_$(VARIANT)- |
| | 51 | endif |
| | 52 | endif |
| | 53 | endif |
| | 54 | |
| | 55 | # |
| | 56 | |
| | 57 | LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) |
| | 58 | |
| | 59 | head-y := arch/xtensa/kernel/head.o |
| | 60 | core-y += arch/xtensa/kernel/ arch/xtensa/mm/ |
| | 61 | ifneq ($(PLATFORM),) |
| | 62 | core-y += arch/xtensa/platforms/$(PLATFORM)/ |
| | 63 | endif |
| | 64 | libs-y += arch/xtensa/lib/ $(LIBGCC) |
| | 65 | |
| | 66 | boot := arch/xtensa/boot |
| | 67 | |
| | 68 | archinc := include/asm-xtensa |
| | 69 | |
| | 70 | archprepare: $(archinc)/.platform |
| | 71 | |
| | 72 | # Update processor variant and platform symlinks if something which affects |
| | 73 | # them changed. |
| | 74 | |
| | 75 | $(archinc)/.platform: $(wildcard include/config/arch/*.h) include/config/auto.conf |
| | 76 | @echo ' SYMLINK $(archinc)/variant -> $(archinc)/variant-$(VARIANT)' |
| | 77 | $(Q)mkdir -p $(archinc) |
| | 78 | $(Q)ln -fsn $(srctree)/$(archinc)/variant-$(VARIANT) $(archinc)/variant |
| | 79 | @echo ' SYMLINK $(archinc)/platform -> $(archinc)/platform-$(PLATFORM)' |
| | 80 | $(Q)ln -fsn $(srctree)/$(archinc)/platform-$(PLATFORM) $(archinc)/platform |
| | 81 | @touch $@ |
| | 82 | |
| | 83 | |
| | 84 | all: zImage |
| | 85 | |
| | 86 | bzImage : zImage |
| | 87 | |
| | 88 | zImage zImage.initrd: vmlinux |
| | 89 | $(Q)$(MAKE) $(build)=$(boot) $@ |
| | 90 | |
| | 91 | CLEAN_FILES += arch/xtensa/vmlinux.lds \ |
| | 92 | $(archinc)/platform $(archinc)/variant \ |
| | 93 | $(archinc)/.platform |
| | 94 | |
| | 95 | define archhelp |
| | 96 | @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)' |
| | 97 | endef |
| | 98 | |
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