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8e1a6dd2 CZ |
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. | |
173d6681 | 14 | # (Use VAR=<xtensa_config> to use another default compiler.) |
8e1a6dd2 | 15 | |
173d6681 | 16 | variant-$(CONFIG_XTENSA_VARIANT_FSF) := fsf |
0025427e | 17 | variant-$(CONFIG_XTENSA_VARIANT_DC232B) := dc232b |
000af2c5 | 18 | variant-$(CONFIG_XTENSA_VARIANT_S6000) := s6000 |
173d6681 | 19 | variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM) := custom |
8e1a6dd2 | 20 | |
173d6681 CZ |
21 | VARIANT = $(variant-y) |
22 | export VARIANT | |
8e1a6dd2 CZ |
23 | |
24 | # Platform configuration | |
25 | ||
8e1a6dd2 CZ |
26 | platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 |
27 | platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss | |
f82e939f | 28 | platform-$(CONFIG_XTENSA_PLATFORM_S6105) := s6105 |
8e1a6dd2 CZ |
29 | |
30 | PLATFORM = $(platform-y) | |
31 | export PLATFORM | |
32 | ||
b2444d34 | 33 | # temporarily until string.h is fixed |
a0f97e06 | 34 | KBUILD_CFLAGS += -ffreestanding |
b2444d34 | 35 | |
a0f97e06 | 36 | KBUILD_CFLAGS += -pipe -mlongcalls |
8e1a6dd2 | 37 | |
367b8112 CZ |
38 | vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y)) |
39 | plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y)) | |
40 | ||
41 | ifeq ($(KBUILD_SRC),) | |
42 | KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs)) | |
43 | else | |
44 | KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs)) | |
45 | endif | |
46 | ||
e7d163f7 | 47 | KBUILD_DEFCONFIG := iss_defconfig |
8e1a6dd2 CZ |
48 | |
49 | # ramdisk/initrd support | |
50 | # You need a compressed ramdisk image, named ramdisk.gz in | |
51 | # arch/xtensa/boot/ramdisk | |
52 | ||
53 | core-$(CONFIG_EMBEDDED_RAMDISK) += arch/xtensa/boot/ramdisk/ | |
54 | ||
55 | # Test for cross compiling | |
56 | ||
173d6681 | 57 | ifneq ($(VARIANT),) |
8e1a6dd2 CZ |
58 | COMPILE_ARCH = $(shell uname -m) |
59 | ||
60 | ifneq ($(COMPILE_ARCH), xtensa) | |
61 | ifndef CROSS_COMPILE | |
173d6681 | 62 | CROSS_COMPILE = xtensa_$(VARIANT)- |
8e1a6dd2 CZ |
63 | endif |
64 | endif | |
65 | endif | |
66 | ||
f1933189 CZ |
67 | # Only build variant and/or platform if it includes a Makefile |
68 | ||
69 | buildvar := $(shell test -a $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/) | |
70 | buildplf := $(shell test -a $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/) | |
71 | ||
72 | # Find libgcc.a | |
8e1a6dd2 | 73 | |
a0f97e06 | 74 | LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) |
8e1a6dd2 CZ |
75 | |
76 | head-y := arch/xtensa/kernel/head.o | |
e7d163f7 | 77 | core-y += arch/xtensa/kernel/ arch/xtensa/mm/ |
f1933189 CZ |
78 | core-y += $(buildvar) $(buildplf) |
79 | ||
8e1a6dd2 CZ |
80 | libs-y += arch/xtensa/lib/ $(LIBGCC) |
81 | ||
e7d163f7 CZ |
82 | boot := arch/xtensa/boot |
83 | ||
8e1a6dd2 CZ |
84 | all: zImage |
85 | ||
86 | bzImage : zImage | |
87 | ||
88 | zImage zImage.initrd: vmlinux | |
89 | $(Q)$(MAKE) $(build)=$(boot) $@ | |
90 | ||
8e1a6dd2 CZ |
91 | define archhelp |
92 | @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)' | |
93 | endef | |
94 |