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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 = $(variant-y) |
22 | export VARIANT | |
8e1a6dd2 | 23 | |
70cefe76 GU |
24 | # Test for cross compiling |
25 | ||
26 | ifneq ($(VARIANT),) | |
27 | COMPILE_ARCH = $(shell uname -m) | |
28 | ||
29 | ifneq ($(COMPILE_ARCH), xtensa) | |
30 | ifndef CROSS_COMPILE | |
31 | CROSS_COMPILE = xtensa_$(VARIANT)- | |
32 | endif | |
33 | endif | |
34 | endif | |
35 | ||
8e1a6dd2 CZ |
36 | # Platform configuration |
37 | ||
8e1a6dd2 CZ |
38 | platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 |
39 | platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss | |
f82e939f | 40 | platform-$(CONFIG_XTENSA_PLATFORM_S6105) := s6105 |
0d456bad | 41 | platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga |
8e1a6dd2 CZ |
42 | |
43 | PLATFORM = $(platform-y) | |
44 | export PLATFORM | |
45 | ||
b2444d34 | 46 | # temporarily until string.h is fixed |
a753cd9a | 47 | KBUILD_CFLAGS += -ffreestanding -D__linux__ |
b2444d34 | 48 | |
a0f97e06 | 49 | KBUILD_CFLAGS += -pipe -mlongcalls |
8e1a6dd2 | 50 | |
cf1c0aaf CZ |
51 | KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,) |
52 | ||
65501622 CZ |
53 | ifneq ($(CONFIG_LD_NO_RELAX),) |
54 | LDFLAGS := --no-relax | |
55 | endif | |
56 | ||
72100ed7 MF |
57 | ifeq ($(shell echo -e __XTENSA_EB__ | $(CC) -E - | grep -v "\#"),1) |
58 | CHECKFLAGS += -D__XTENSA_EB__ | |
59 | endif | |
60 | ifeq ($(shell echo -e __XTENSA_EL__ | $(CC) -E - | grep -v "\#"),1) | |
61 | CHECKFLAGS += -D__XTENSA_EL__ | |
62 | endif | |
63 | ||
367b8112 CZ |
64 | vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y)) |
65 | plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y)) | |
66 | ||
67 | ifeq ($(KBUILD_SRC),) | |
68 | KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs)) | |
69 | else | |
70 | KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs)) | |
71 | endif | |
72 | ||
e7d163f7 | 73 | KBUILD_DEFCONFIG := iss_defconfig |
8e1a6dd2 | 74 | |
f1933189 CZ |
75 | # Only build variant and/or platform if it includes a Makefile |
76 | ||
0eff08b5 GU |
77 | buildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/) |
78 | buildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/) | |
f1933189 CZ |
79 | |
80 | # Find libgcc.a | |
8e1a6dd2 | 81 | |
a0f97e06 | 82 | LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) |
8e1a6dd2 CZ |
83 | |
84 | head-y := arch/xtensa/kernel/head.o | |
e7d163f7 | 85 | core-y += arch/xtensa/kernel/ arch/xtensa/mm/ |
f1933189 CZ |
86 | core-y += $(buildvar) $(buildplf) |
87 | ||
8e1a6dd2 CZ |
88 | libs-y += arch/xtensa/lib/ $(LIBGCC) |
89 | ||
da844a81 | 90 | ifneq ($(CONFIG_BUILTIN_DTB),"") |
055d4db1 | 91 | core-$(CONFIG_OF) += arch/xtensa/boot/ |
da844a81 MF |
92 | endif |
93 | ||
e7d163f7 CZ |
94 | boot := arch/xtensa/boot |
95 | ||
8e1a6dd2 CZ |
96 | all: zImage |
97 | ||
98 | bzImage : zImage | |
99 | ||
9ad79b58 | 100 | zImage: vmlinux |
8e1a6dd2 CZ |
101 | $(Q)$(MAKE) $(build)=$(boot) $@ |
102 | ||
da844a81 MF |
103 | %.dtb: |
104 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ | |
105 | ||
8e1a6dd2 CZ |
106 | define archhelp |
107 | @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)' | |
108 | endef |