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author | Chris Zankel <czankel@tensilica.com> | 2005-06-24 05:01:10 (GMT) |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-24 07:05:21 (GMT) |
commit | 8e1a6dd2fddcc73c9e933758361e3d9c076c688a (patch) | |
tree | 30d6c0cdc7f21d1357917517351a1c259f3eba4b /arch/xtensa/Makefile | |
parent | 48b415ca13bac91f83db3b9d362fd5ae0ce275cb (diff) | |
download | linux-8e1a6dd2fddcc73c9e933758361e3d9c076c688a.tar.xz |
[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 1
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>
Diffstat (limited to 'arch/xtensa/Makefile')
-rw-r--r-- | arch/xtensa/Makefile | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile new file mode 100644 index 0000000..4fa2745 --- /dev/null +++ b/arch/xtensa/Makefile @@ -0,0 +1,102 @@ +# +# 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 + |