Merge branch 'upstream-greg' of gregkh@master.kernel.org:/pub/scm/linux/kernel/git...
[linux-2.6] / arch / xtensa / Makefile
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 = $(cpu-y)
20 export CPU
21
22 # Platform configuration
23
24 platform-$(CONFIG_XTENSA_PLATFORM_XT2000)       := xt2000
25 platform-$(CONFIG_XTENSA_PLATFORM_ISS)          := iss
26
27 PLATFORM = $(platform-y)
28 export PLATFORM
29
30 CPPFLAGS        += $(if $(KBUILD_SRC),-I$(srctree)/include/asm-xtensa/)
31 CPPFLAGS        += -Iinclude/asm
32 CFLAGS          += -pipe -mlongcalls
33
34 KBUILD_DEFCONFIG := iss_defconfig
35
36 # ramdisk/initrd support
37 # You need a compressed ramdisk image, named ramdisk.gz in
38 # arch/xtensa/boot/ramdisk
39
40 core-$(CONFIG_EMBEDDED_RAMDISK) += arch/xtensa/boot/ramdisk/
41
42 # Test for cross compiling
43
44 ifneq ($(CPU),)
45   COMPILE_ARCH = $(shell uname -m)
46
47   ifneq ($(COMPILE_ARCH), xtensa)
48     ifndef CROSS_COMPILE
49       CROSS_COMPILE = xtensa_$(CPU)-
50     endif
51   endif
52 endif
53
54 #
55
56 LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
57
58 head-y          := arch/xtensa/kernel/head.o
59 core-y          += arch/xtensa/kernel/ arch/xtensa/mm/
60 ifneq ($(PLATFORM),)
61 core-y          += arch/xtensa/platform-$(PLATFORM)/
62 endif
63 libs-y          += arch/xtensa/lib/ $(LIBGCC)
64
65 boot            := arch/xtensa/boot
66
67 archinc         := include/asm-xtensa
68
69 archprepare: $(archinc)/.platform
70
71 # Update machine cpu and platform symlinks if something which affects
72 # them changed.
73
74 $(archinc)/.platform: $(wildcard include/config/arch/*.h) include/config/auto.conf
75         @echo '  SYMLINK $(archinc)/xtensa/config -> $(archinc)/xtensa/config-$(CPU)'
76         $(Q)mkdir -p $(archinc)
77         $(Q)mkdir -p $(archinc)/xtensa
78         $(Q)ln -fsn $(srctree)/$(archinc)/xtensa/config-$(CPU) $(archinc)/xtensa/config
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)/xtensa/config \
93                    $(archinc)/.platform
94
95 define archhelp
96   @echo '* zImage      - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'
97 endef
98