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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. | |
420ae951 | 7 | # Copyright (C) 2014 Cadence Design Systems Inc. |
8e1a6dd2 CZ |
8 | # |
9 | # This file is included by the global makefile so that you can add your own | |
10 | # architecture-specific flags and dependencies. Remember to do have actions | |
11 | # for "archclean" and "archdep" for cleaning up and making dependencies for | |
12 | # this architecture | |
13 | ||
14 | # Core configuration. | |
173d6681 | 15 | # (Use VAR=<xtensa_config> to use another default compiler.) |
8e1a6dd2 | 16 | |
420ae951 | 17 | variant-y := $(patsubst "%",%,$(CONFIG_XTENSA_VARIANT_NAME)) |
8e1a6dd2 | 18 | |
173d6681 CZ |
19 | VARIANT = $(variant-y) |
20 | export VARIANT | |
8e1a6dd2 | 21 | |
70cefe76 GU |
22 | # Test for cross compiling |
23 | ||
24 | ifneq ($(VARIANT),) | |
25 | COMPILE_ARCH = $(shell uname -m) | |
26 | ||
27 | ifneq ($(COMPILE_ARCH), xtensa) | |
28 | ifndef CROSS_COMPILE | |
29 | CROSS_COMPILE = xtensa_$(VARIANT)- | |
30 | endif | |
31 | endif | |
32 | endif | |
33 | ||
8e1a6dd2 CZ |
34 | # Platform configuration |
35 | ||
8e1a6dd2 CZ |
36 | platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 |
37 | platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss | |
0d456bad | 38 | platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga |
8e1a6dd2 CZ |
39 | |
40 | PLATFORM = $(platform-y) | |
41 | export PLATFORM | |
42 | ||
b2444d34 | 43 | # temporarily until string.h is fixed |
a753cd9a | 44 | KBUILD_CFLAGS += -ffreestanding -D__linux__ |
b2444d34 | 45 | |
a0f97e06 | 46 | KBUILD_CFLAGS += -pipe -mlongcalls |
8e1a6dd2 | 47 | |
cf1c0aaf CZ |
48 | KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,) |
49 | ||
65501622 CZ |
50 | ifneq ($(CONFIG_LD_NO_RELAX),) |
51 | LDFLAGS := --no-relax | |
52 | endif | |
53 | ||
123f15e6 | 54 | ifeq ($(shell echo __XTENSA_EB__ | $(CC) -E - | grep -v "\#"),1) |
72100ed7 MF |
55 | CHECKFLAGS += -D__XTENSA_EB__ |
56 | endif | |
123f15e6 | 57 | ifeq ($(shell echo __XTENSA_EL__ | $(CC) -E - | grep -v "\#"),1) |
72100ed7 MF |
58 | CHECKFLAGS += -D__XTENSA_EL__ |
59 | endif | |
60 | ||
367b8112 CZ |
61 | vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y)) |
62 | plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y)) | |
63 | ||
64 | ifeq ($(KBUILD_SRC),) | |
65 | KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs)) | |
66 | else | |
67 | KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs)) | |
68 | endif | |
69 | ||
e7d163f7 | 70 | KBUILD_DEFCONFIG := iss_defconfig |
8e1a6dd2 | 71 | |
f1933189 CZ |
72 | # Only build variant and/or platform if it includes a Makefile |
73 | ||
0eff08b5 GU |
74 | buildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/) |
75 | buildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/) | |
f1933189 CZ |
76 | |
77 | # Find libgcc.a | |
8e1a6dd2 | 78 | |
a0f97e06 | 79 | LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) |
8e1a6dd2 CZ |
80 | |
81 | head-y := arch/xtensa/kernel/head.o | |
e7d163f7 | 82 | core-y += arch/xtensa/kernel/ arch/xtensa/mm/ |
f1933189 CZ |
83 | core-y += $(buildvar) $(buildplf) |
84 | ||
8e1a6dd2 | 85 | libs-y += arch/xtensa/lib/ $(LIBGCC) |
e6ffe17e | 86 | drivers-$(CONFIG_OPROFILE) += arch/xtensa/oprofile/ |
8e1a6dd2 | 87 | |
da844a81 | 88 | ifneq ($(CONFIG_BUILTIN_DTB),"") |
2a02bc16 | 89 | core-$(CONFIG_OF) += arch/xtensa/boot/dts/ |
da844a81 MF |
90 | endif |
91 | ||
e7d163f7 CZ |
92 | boot := arch/xtensa/boot |
93 | ||
8e1a6dd2 CZ |
94 | all: zImage |
95 | ||
96 | bzImage : zImage | |
97 | ||
9ad79b58 | 98 | zImage: vmlinux |
8e1a6dd2 CZ |
99 | $(Q)$(MAKE) $(build)=$(boot) $@ |
100 | ||
da844a81 | 101 | %.dtb: |
2a02bc16 | 102 | $(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@ |
da844a81 | 103 | |
8e1a6dd2 CZ |
104 | define archhelp |
105 | @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)' | |
106 | endef |