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Commit | Line | Data |
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e2211743 | 1 | # |
eca3aeb3 | 2 | # (C) Copyright 2000-2013 |
e2211743 WD |
3 | # Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
4 | # | |
eca3aeb3 | 5 | # SPDX-License-Identifier: GPL-2.0+ |
e2211743 | 6 | # |
e2211743 WD |
7 | ######################################################################### |
8 | ||
f9328639 | 9 | ifeq ($(CURDIR),$(SRCTREE)) |
511d0c72 | 10 | dir := |
f9328639 MB |
11 | else |
12 | dir := $(subst $(SRCTREE)/,,$(CURDIR)) | |
13 | endif | |
14 | ||
c8f9c302 DS |
15 | ifneq ($(OBJTREE),$(SRCTREE)) |
16 | # Create object files for SPL in a separate directory | |
17 | ifeq ($(CONFIG_SPL_BUILD),y) | |
3aa29de0 YZ |
18 | ifeq ($(CONFIG_TPL_BUILD),y) |
19 | obj := $(if $(dir),$(TPLTREE)/$(dir)/,$(TPLTREE)/) | |
20 | else | |
c8f9c302 | 21 | obj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/) |
3aa29de0 | 22 | endif |
c8f9c302 | 23 | else |
f9328639 | 24 | obj := $(if $(dir),$(OBJTREE)/$(dir)/,$(OBJTREE)/) |
c8f9c302 | 25 | endif |
f9328639 MB |
26 | src := $(if $(dir),$(SRCTREE)/$(dir)/,$(SRCTREE)/) |
27 | ||
c8f9c302 DS |
28 | $(shell mkdir -p $(obj)) |
29 | else | |
30 | # Create object files for SPL in a separate directory | |
31 | ifeq ($(CONFIG_SPL_BUILD),y) | |
3aa29de0 YZ |
32 | ifeq ($(CONFIG_TPL_BUILD),y) |
33 | obj := $(if $(dir),$(TPLTREE)/$(dir)/,$(TPLTREE)/) | |
34 | else | |
c8f9c302 DS |
35 | obj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/) |
36 | ||
3aa29de0 | 37 | endif |
f9328639 MB |
38 | $(shell mkdir -p $(obj)) |
39 | else | |
40 | obj := | |
c8f9c302 | 41 | endif |
f9328639 MB |
42 | src := |
43 | endif | |
44 | ||
592c5cab WD |
45 | # clean the slate ... |
46 | PLATFORM_RELFLAGS = | |
47 | PLATFORM_CPPFLAGS = | |
48 | PLATFORM_LDFLAGS = | |
49 | ||
c4e5f52a WD |
50 | ######################################################################### |
51 | ||
52 | # Load generated board configuration | |
3aa29de0 YZ |
53 | ifeq ($(CONFIG_TPL_BUILD),y) |
54 | # Include TPL autoconf | |
55 | sinclude $(OBJTREE)/include/tpl-autoconf.mk | |
56 | else | |
39bc12dd JF |
57 | ifeq ($(CONFIG_SPL_BUILD),y) |
58 | # Include SPL autoconf | |
59 | sinclude $(OBJTREE)/include/spl-autoconf.mk | |
60 | else | |
61 | # Include normal autoconf | |
c4e5f52a | 62 | sinclude $(OBJTREE)/include/autoconf.mk |
39bc12dd | 63 | endif |
3aa29de0 | 64 | endif |
5e987ddf | 65 | sinclude $(OBJTREE)/include/config.mk |
c4e5f52a | 66 | |
03b7004d PT |
67 | # Some architecture config.mk files need to know what CPUDIR is set to, |
68 | # so calculate CPUDIR before including ARCH/SOC/CPU config.mk files. | |
8d1f2682 PT |
69 | # Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains |
70 | # CPU-specific code. | |
71 | CPUDIR=arch/$(ARCH)/cpu/$(CPU) | |
72 | ifneq ($(SRCTREE)/$(CPUDIR),$(wildcard $(SRCTREE)/$(CPUDIR))) | |
73 | CPUDIR=arch/$(ARCH)/cpu | |
74 | endif | |
03b7004d | 75 | |
ea0364f1 | 76 | sinclude $(TOPDIR)/arch/$(ARCH)/config.mk # include architecture dependend rules |
03b7004d PT |
77 | sinclude $(TOPDIR)/$(CPUDIR)/config.mk # include CPU specific rules |
78 | ||
c4e5f52a | 79 | ifdef SOC |
03b7004d | 80 | sinclude $(TOPDIR)/$(CPUDIR)/$(SOC)/config.mk # include SoC specific rules |
c4e5f52a WD |
81 | endif |
82 | ifdef VENDOR | |
83 | BOARDDIR = $(VENDOR)/$(BOARD) | |
84 | else | |
85 | BOARDDIR = $(BOARD) | |
86 | endif | |
87 | ifdef BOARD | |
88 | sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules | |
89 | endif | |
90 | ||
91 | ######################################################################### | |
92 | ||
e2211743 | 93 | RELFLAGS= $(PLATFORM_RELFLAGS) |
83b7e2a7 | 94 | |
6dd652fa | 95 | OBJCFLAGS += --gap-fill=0xff |
e2211743 | 96 | |
b783edae WD |
97 | gccincdir := $(shell $(CC) -print-file-name=include) |
98 | ||
2b3c9d3d | 99 | CPPFLAGS = $(KBUILD_CPPFLAGS) $(RELFLAGS) |
c8f9c302 DS |
100 | |
101 | # Enable garbage collection of un-used sections for SPL | |
102 | ifeq ($(CONFIG_SPL_BUILD),y) | |
103 | CPPFLAGS += -ffunction-sections -fdata-sections | |
104 | LDFLAGS_FINAL += --gc-sections | |
105 | endif | |
106 | ||
14d0a02a WD |
107 | ifneq ($(CONFIG_SYS_TEXT_BASE),) |
108 | CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) | |
161b2af4 | 109 | endif |
f9328639 | 110 | |
c8f9c302 DS |
111 | ifeq ($(CONFIG_SPL_BUILD),y) |
112 | CPPFLAGS += -DCONFIG_SPL_BUILD | |
3aa29de0 YZ |
113 | ifeq ($(CONFIG_TPL_BUILD),y) |
114 | CPPFLAGS += -DCONFIG_TPL_BUILD | |
115 | endif | |
c8f9c302 DS |
116 | endif |
117 | ||
5c1a7ea6 SG |
118 | # Does this architecture support generic board init? |
119 | ifeq ($(__HAVE_ARCH_GENERIC_BOARD),) | |
120 | ifneq ($(CONFIG_SYS_GENERIC_BOARD),) | |
fada9e20 SG |
121 | CHECK_GENERIC_BOARD = $(error Your architecture does not support generic board. \ |
122 | Please undefined CONFIG_SYS_GENERIC_BOARD in your board config file) | |
5c1a7ea6 SG |
123 | endif |
124 | endif | |
125 | ||
f9328639 | 126 | ifneq ($(OBJTREE),$(SRCTREE)) |
3d83efbc | 127 | CPPFLAGS += -I$(OBJTREE)/include |
f9328639 MB |
128 | endif |
129 | ||
3d83efbc | 130 | CPPFLAGS += -I$(TOPDIR)/include -I$(SRCTREE)/arch/$(ARCH)/include |
2b3c9d3d | 131 | CPPFLAGS += -nostdinc \ |
f9328639 | 132 | -isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS) |
e2211743 | 133 | |
2b3c9d3d | 134 | CFLAGS := $(KBUILD_CFLAGS) $(CPPFLAGS) |
4a30f1e8 | 135 | |
5c2aeac5 SG |
136 | BCURDIR = $(subst $(SRCTREE)/,,$(CURDIR:$(obj)%=%)) |
137 | ||
138 | ifeq ($(findstring examples/,$(BCURDIR)),) | |
139 | ifeq ($(CONFIG_SPL_BUILD),) | |
140 | ifdef FTRACE | |
141 | CFLAGS += -finstrument-functions -DFTRACE | |
142 | endif | |
143 | endif | |
144 | endif | |
145 | ||
2b3c9d3d | 146 | AFLAGS := $(KBUILD_AFLAGS) $(CPPFLAGS) |
e2211743 | 147 | |
8aba9dce | 148 | LDFLAGS += $(PLATFORM_LDFLAGS) |
6dc1eceb | 149 | LDFLAGS_FINAL += -Bstatic |
8aba9dce | 150 | |
6dc1eceb | 151 | LDFLAGS_u-boot += -T $(obj)u-boot.lds $(LDFLAGS_FINAL) |
14d0a02a | 152 | ifneq ($(CONFIG_SYS_TEXT_BASE),) |
8aba9dce | 153 | LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) |
161b2af4 | 154 | endif |
e2211743 | 155 | |
3aa29de0 | 156 | LDFLAGS_$(SPL_BIN) += -T $(obj)u-boot-spl.lds $(LDFLAGS_FINAL) |
c8f9c302 | 157 | ifneq ($(CONFIG_SPL_TEXT_BASE),) |
3aa29de0 | 158 | LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE) |
c8f9c302 DS |
159 | endif |
160 | ||
e2211743 WD |
161 | ######################################################################### |
162 | ||
14d0a02a | 163 | export CONFIG_SYS_TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS |