wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 1 | # |
Marian Balakowicz | f932863 | 2006-09-01 19:49:50 +0200 | [diff] [blame] | 2 | # (C) Copyright 2000-2006 |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 3 | # Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 4 | # |
| 5 | # See file CREDITS for list of people who contributed to this |
| 6 | # project. |
| 7 | # |
| 8 | # This program is free software; you can redistribute it and/or |
| 9 | # modify it under the terms of the GNU General Public License as |
| 10 | # published by the Free Software Foundation; either version 2 of |
| 11 | # the License, or (at your option) any later version. |
| 12 | # |
| 13 | # This program is distributed in the hope that it will be useful, |
| 14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
Wolfgang Denk | 844f07d | 2010-11-27 23:30:56 +0100 | [diff] [blame] | 15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 16 | # GNU General Public License for more details. |
| 17 | # |
| 18 | # You should have received a copy of the GNU General Public License |
| 19 | # along with this program; if not, write to the Free Software |
| 20 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | # MA 02111-1307 USA |
| 22 | # |
| 23 | |
| 24 | ######################################################################### |
| 25 | |
Marek Vasut | 97b24d3 | 2012-10-19 05:00:10 +0000 | [diff] [blame^] | 26 | include $(TOPDIR)/helper.mk |
| 27 | |
Marian Balakowicz | f932863 | 2006-09-01 19:49:50 +0200 | [diff] [blame] | 28 | ifeq ($(CURDIR),$(SRCTREE)) |
Wolfgang Denk | 511d0c7 | 2006-10-09 00:42:01 +0200 | [diff] [blame] | 29 | dir := |
Marian Balakowicz | f932863 | 2006-09-01 19:49:50 +0200 | [diff] [blame] | 30 | else |
| 31 | dir := $(subst $(SRCTREE)/,,$(CURDIR)) |
| 32 | endif |
| 33 | |
Daniel Schwierzeck | c8f9c30 | 2011-07-18 06:09:15 +0000 | [diff] [blame] | 34 | ifneq ($(OBJTREE),$(SRCTREE)) |
| 35 | # Create object files for SPL in a separate directory |
| 36 | ifeq ($(CONFIG_SPL_BUILD),y) |
| 37 | obj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/) |
| 38 | else |
Marian Balakowicz | f932863 | 2006-09-01 19:49:50 +0200 | [diff] [blame] | 39 | obj := $(if $(dir),$(OBJTREE)/$(dir)/,$(OBJTREE)/) |
Daniel Schwierzeck | c8f9c30 | 2011-07-18 06:09:15 +0000 | [diff] [blame] | 40 | endif |
Marian Balakowicz | f932863 | 2006-09-01 19:49:50 +0200 | [diff] [blame] | 41 | src := $(if $(dir),$(SRCTREE)/$(dir)/,$(SRCTREE)/) |
| 42 | |
| 43 | $(shell mkdir -p $(obj)) |
| 44 | else |
Daniel Schwierzeck | c8f9c30 | 2011-07-18 06:09:15 +0000 | [diff] [blame] | 45 | # Create object files for SPL in a separate directory |
| 46 | ifeq ($(CONFIG_SPL_BUILD),y) |
| 47 | obj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/) |
| 48 | |
| 49 | $(shell mkdir -p $(obj)) |
| 50 | else |
Marian Balakowicz | f932863 | 2006-09-01 19:49:50 +0200 | [diff] [blame] | 51 | obj := |
Daniel Schwierzeck | c8f9c30 | 2011-07-18 06:09:15 +0000 | [diff] [blame] | 52 | endif |
Marian Balakowicz | f932863 | 2006-09-01 19:49:50 +0200 | [diff] [blame] | 53 | src := |
| 54 | endif |
| 55 | |
wdenk | 592c5ca | 2003-06-21 00:17:24 +0000 | [diff] [blame] | 56 | # clean the slate ... |
| 57 | PLATFORM_RELFLAGS = |
| 58 | PLATFORM_CPPFLAGS = |
| 59 | PLATFORM_LDFLAGS = |
| 60 | |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 61 | ######################################################################### |
| 62 | |
Scott Wood | d984fed | 2009-11-04 18:41:41 -0600 | [diff] [blame] | 63 | HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \ |
| 64 | $(HOSTCPPFLAGS) |
| 65 | HOSTSTRIP = strip |
| 66 | |
| 67 | # |
| 68 | # Mac OS X / Darwin's C preprocessor is Apple specific. It |
| 69 | # generates numerous errors and warnings. We want to bypass it |
Wolfgang Denk | 844f07d | 2010-11-27 23:30:56 +0100 | [diff] [blame] | 70 | # and use GNU C's cpp. To do this we pass the -traditional-cpp |
Scott Wood | d984fed | 2009-11-04 18:41:41 -0600 | [diff] [blame] | 71 | # option to the compiler. Note that the -traditional-cpp flag |
| 72 | # DOES NOT have the same semantics as GNU C's flag, all it does |
| 73 | # is invoke the GNU preprocessor in stock ANSI/ISO C fashion. |
| 74 | # |
| 75 | # Apple's linker is similar, thanks to the new 2 stage linking |
| 76 | # multiple symbol definitions are treated as errors, hence the |
| 77 | # -multiply_defined suppress option to turn off this error. |
| 78 | # |
| 79 | |
Mike Frysinger | 4cda437 | 2009-01-17 13:32:42 -0500 | [diff] [blame] | 80 | ifeq ($(HOSTOS),darwin) |
Andreas Biessmann | c7da8c1 | 2010-05-22 13:17:21 +0200 | [diff] [blame] | 81 | # get major and minor product version (e.g. '10' and '6' for Snow Leopard) |
| 82 | DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') |
| 83 | DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') |
| 84 | |
Mike Frysinger | f534c7c | 2010-08-03 19:17:38 -0400 | [diff] [blame] | 85 | os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ |
| 86 | $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) |
Andreas Biessmann | c7da8c1 | 2010-05-22 13:17:21 +0200 | [diff] [blame] | 87 | |
| 88 | # Snow Leopards build environment has no longer restrictions as described above |
Mike Frysinger | f534c7c | 2010-08-03 19:17:38 -0400 | [diff] [blame] | 89 | HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") |
| 90 | HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") |
| 91 | HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 92 | else |
| 93 | HOSTCC = gcc |
| 94 | endif |
Scott Wood | d984fed | 2009-11-04 18:41:41 -0600 | [diff] [blame] | 95 | |
| 96 | ifeq ($(HOSTOS),cygwin) |
| 97 | HOSTCFLAGS += -ansi |
| 98 | endif |
| 99 | |
| 100 | # We build some files with extra pedantic flags to try to minimize things |
| 101 | # that won't build on some weird host compiler -- though there are lots of |
| 102 | # exceptions for files that aren't complaint. |
| 103 | |
| 104 | HOSTCFLAGS_NOPED = $(filter-out -pedantic,$(HOSTCFLAGS)) |
| 105 | HOSTCFLAGS += -pedantic |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 106 | |
| 107 | ######################################################################### |
Wolfgang Denk | 1820d4c | 2005-10-04 22:38:24 +0200 | [diff] [blame] | 108 | # |
Tom Rini | 19a695f | 2012-03-16 05:27:47 +0000 | [diff] [blame] | 109 | # Option checker, gcc version (courtesy linux kernel) to ensure |
Wolfgang Denk | 1820d4c | 2005-10-04 22:38:24 +0200 | [diff] [blame] | 110 | # only supported compiler options are used |
| 111 | # |
Daniel Schwierzeck | b6a467d | 2011-11-07 05:26:43 +0000 | [diff] [blame] | 112 | CC_OPTIONS_CACHE_FILE := $(OBJTREE)/include/generated/cc_options.mk |
Tom Rini | 6f4acc1 | 2012-02-14 07:29:37 +0000 | [diff] [blame] | 113 | CC_TEST_OFILE := $(OBJTREE)/include/generated/cc_test_file.o |
Daniel Schwierzeck | b6a467d | 2011-11-07 05:26:43 +0000 | [diff] [blame] | 114 | |
| 115 | -include $(CC_OPTIONS_CACHE_FILE) |
| 116 | |
Tom Rini | 6f4acc1 | 2012-02-14 07:29:37 +0000 | [diff] [blame] | 117 | cc-option-sys = $(shell mkdir -p $(dir $(CC_TEST_OFILE)); \ |
| 118 | if $(CC) $(CFLAGS) $(1) -S -xc /dev/null -o $(CC_TEST_OFILE) \ |
Daniel Schwierzeck | b6a467d | 2011-11-07 05:26:43 +0000 | [diff] [blame] | 119 | > /dev/null 2>&1; then \ |
| 120 | echo 'CC_OPTIONS += $(strip $1)' >> $(CC_OPTIONS_CACHE_FILE); \ |
| 121 | echo "$(1)"; fi) |
| 122 | |
| 123 | ifeq ($(CONFIG_CC_OPT_CACHE_DISABLE),y) |
| 124 | cc-option = $(strip $(if $(call cc-option-sys,$1),$1,$2)) |
| 125 | else |
| 126 | cc-option = $(strip $(if $(findstring $1,$(CC_OPTIONS)),$1,\ |
| 127 | $(if $(call cc-option-sys,$1),$1,$2))) |
| 128 | endif |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 129 | |
Tom Rini | 19a695f | 2012-03-16 05:27:47 +0000 | [diff] [blame] | 130 | # cc-version |
| 131 | # Usage gcc-ver := $(call cc-version) |
| 132 | cc-version = $(shell $(SHELL) $(SRCTREE)/tools/gcc-version.sh $(CC)) |
Allen Martin | 2051ff3 | 2012-08-15 11:38:53 +0000 | [diff] [blame] | 133 | binutils-version = $(shell $(SHELL) $(SRCTREE)/tools/binutils-version.sh $(AS)) |
Tom Rini | 19a695f | 2012-03-16 05:27:47 +0000 | [diff] [blame] | 134 | |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 135 | # |
| 136 | # Include the make variables (CC, etc...) |
| 137 | # |
| 138 | AS = $(CROSS_COMPILE)as |
Khem Raj | 7cb714a | 2012-08-02 06:19:34 +0000 | [diff] [blame] | 139 | |
| 140 | # Always use GNU ld |
| 141 | LD = $(shell if $(CROSS_COMPILE)ld.bfd -v > /dev/null 2>&1; \ |
| 142 | then echo "$(CROSS_COMPILE)ld.bfd"; else echo "$(CROSS_COMPILE)ld"; fi;) |
| 143 | |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 144 | CC = $(CROSS_COMPILE)gcc |
| 145 | CPP = $(CC) -E |
| 146 | AR = $(CROSS_COMPILE)ar |
| 147 | NM = $(CROSS_COMPILE)nm |
Mike Frysinger | 94a91e2 | 2008-02-04 19:26:57 -0500 | [diff] [blame] | 148 | LDR = $(CROSS_COMPILE)ldr |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 149 | STRIP = $(CROSS_COMPILE)strip |
| 150 | OBJCOPY = $(CROSS_COMPILE)objcopy |
| 151 | OBJDUMP = $(CROSS_COMPILE)objdump |
| 152 | RANLIB = $(CROSS_COMPILE)RANLIB |
Simon Glass | bbb0b12 | 2011-10-15 05:48:21 +0000 | [diff] [blame] | 153 | DTC = dtc |
Kim Phillips | 4ab6493 | 2012-09-21 12:28:17 +0000 | [diff] [blame] | 154 | CHECK = sparse |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 155 | |
Wolfgang Denk | c4e5f52 | 2008-05-03 22:25:00 +0200 | [diff] [blame] | 156 | ######################################################################### |
| 157 | |
| 158 | # Load generated board configuration |
| 159 | sinclude $(OBJTREE)/include/autoconf.mk |
Joakim Tjernlund | 5e987dd | 2011-01-17 23:39:26 +0100 | [diff] [blame] | 160 | sinclude $(OBJTREE)/include/config.mk |
Wolfgang Denk | c4e5f52 | 2008-05-03 22:25:00 +0200 | [diff] [blame] | 161 | |
Peter Tyser | 03b7004 | 2010-04-12 22:28:02 -0500 | [diff] [blame] | 162 | # Some architecture config.mk files need to know what CPUDIR is set to, |
| 163 | # so calculate CPUDIR before including ARCH/SOC/CPU config.mk files. |
Peter Tyser | 8d1f268 | 2010-04-12 22:28:09 -0500 | [diff] [blame] | 164 | # Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains |
| 165 | # CPU-specific code. |
| 166 | CPUDIR=arch/$(ARCH)/cpu/$(CPU) |
| 167 | ifneq ($(SRCTREE)/$(CPUDIR),$(wildcard $(SRCTREE)/$(CPUDIR))) |
| 168 | CPUDIR=arch/$(ARCH)/cpu |
| 169 | endif |
Peter Tyser | 03b7004 | 2010-04-12 22:28:02 -0500 | [diff] [blame] | 170 | |
Peter Tyser | ea0364f | 2010-04-12 22:28:04 -0500 | [diff] [blame] | 171 | sinclude $(TOPDIR)/arch/$(ARCH)/config.mk # include architecture dependend rules |
Peter Tyser | 03b7004 | 2010-04-12 22:28:02 -0500 | [diff] [blame] | 172 | sinclude $(TOPDIR)/$(CPUDIR)/config.mk # include CPU specific rules |
| 173 | |
Wolfgang Denk | c4e5f52 | 2008-05-03 22:25:00 +0200 | [diff] [blame] | 174 | ifdef SOC |
Peter Tyser | 03b7004 | 2010-04-12 22:28:02 -0500 | [diff] [blame] | 175 | sinclude $(TOPDIR)/$(CPUDIR)/$(SOC)/config.mk # include SoC specific rules |
Wolfgang Denk | c4e5f52 | 2008-05-03 22:25:00 +0200 | [diff] [blame] | 176 | endif |
| 177 | ifdef VENDOR |
| 178 | BOARDDIR = $(VENDOR)/$(BOARD) |
| 179 | else |
| 180 | BOARDDIR = $(BOARD) |
| 181 | endif |
| 182 | ifdef BOARD |
| 183 | sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules |
| 184 | endif |
| 185 | |
| 186 | ######################################################################### |
| 187 | |
Mike Frysinger | 5968adc | 2011-10-12 19:25:20 +0000 | [diff] [blame] | 188 | # We don't actually use $(ARFLAGS) anywhere anymore, so catch people |
| 189 | # who are porting old code to latest mainline but not updating $(AR). |
| 190 | ARFLAGS = $(error update your Makefile to use cmd_link_o_target and not AR) |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 191 | RELFLAGS= $(PLATFORM_RELFLAGS) |
Heiko Schocher | 9acb626 | 2006-04-20 08:42:42 +0200 | [diff] [blame] | 192 | DBGFLAGS= -g # -DDEBUG |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 193 | OPTFLAGS= -Os #-fomit-frame-pointer |
Scott Wood | 83b7e2a | 2011-04-06 13:31:37 +0000 | [diff] [blame] | 194 | |
wdenk | 6dd652f | 2003-06-19 23:40:20 +0000 | [diff] [blame] | 195 | OBJCFLAGS += --gap-fill=0xff |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 196 | |
wdenk | b783eda | 2003-06-25 22:26:29 +0000 | [diff] [blame] | 197 | gccincdir := $(shell $(CC) -print-file-name=include) |
| 198 | |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 199 | CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \ |
Marek Vasut | c1f5805 | 2012-09-14 23:46:48 +0200 | [diff] [blame] | 200 | -D__KERNEL__ |
Daniel Schwierzeck | c8f9c30 | 2011-07-18 06:09:15 +0000 | [diff] [blame] | 201 | |
| 202 | # Enable garbage collection of un-used sections for SPL |
| 203 | ifeq ($(CONFIG_SPL_BUILD),y) |
| 204 | CPPFLAGS += -ffunction-sections -fdata-sections |
| 205 | LDFLAGS_FINAL += --gc-sections |
| 206 | endif |
| 207 | |
Wolfgang Denk | 14d0a02 | 2010-10-07 21:51:12 +0200 | [diff] [blame] | 208 | ifneq ($(CONFIG_SYS_TEXT_BASE),) |
| 209 | CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) |
Mike Frysinger | 161b2af | 2008-01-28 05:28:50 -0500 | [diff] [blame] | 210 | endif |
Marian Balakowicz | f932863 | 2006-09-01 19:49:50 +0200 | [diff] [blame] | 211 | |
Daniel Schwierzeck | c8f9c30 | 2011-07-18 06:09:15 +0000 | [diff] [blame] | 212 | ifneq ($(CONFIG_SPL_TEXT_BASE),) |
| 213 | CPPFLAGS += -DCONFIG_SPL_TEXT_BASE=$(CONFIG_SPL_TEXT_BASE) |
| 214 | endif |
| 215 | |
Stefan Roese | 94aebe6 | 2012-01-05 11:19:50 +0100 | [diff] [blame] | 216 | ifneq ($(CONFIG_SPL_PAD_TO),) |
| 217 | CPPFLAGS += -DCONFIG_SPL_PAD_TO=$(CONFIG_SPL_PAD_TO) |
| 218 | endif |
| 219 | |
Daniel Schwierzeck | c8f9c30 | 2011-07-18 06:09:15 +0000 | [diff] [blame] | 220 | ifeq ($(CONFIG_SPL_BUILD),y) |
| 221 | CPPFLAGS += -DCONFIG_SPL_BUILD |
| 222 | endif |
| 223 | |
Kumar Gala | 6c97a20 | 2009-09-09 11:40:41 -0500 | [diff] [blame] | 224 | ifneq ($(RESET_VECTOR_ADDRESS),) |
| 225 | CPPFLAGS += -DRESET_VECTOR_ADDRESS=$(RESET_VECTOR_ADDRESS) |
| 226 | endif |
| 227 | |
Marian Balakowicz | f932863 | 2006-09-01 19:49:50 +0200 | [diff] [blame] | 228 | ifneq ($(OBJTREE),$(SRCTREE)) |
| 229 | CPPFLAGS += -I$(OBJTREE)/include2 -I$(OBJTREE)/include |
| 230 | endif |
| 231 | |
| 232 | CPPFLAGS += -I$(TOPDIR)/include |
Wolfgang Denk | 53677ef | 2008-05-20 16:00:29 +0200 | [diff] [blame] | 233 | CPPFLAGS += -fno-builtin -ffreestanding -nostdinc \ |
Marian Balakowicz | f932863 | 2006-09-01 19:49:50 +0200 | [diff] [blame] | 234 | -isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS) |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 235 | |
| 236 | ifdef BUILD_TAG |
| 237 | CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \ |
| 238 | -DBUILD_TAG='"$(BUILD_TAG)"' |
| 239 | else |
| 240 | CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes |
| 241 | endif |
| 242 | |
Wolfgang Denk | cca4e4a | 2011-11-01 20:54:02 +0000 | [diff] [blame] | 243 | CFLAGS_SSP := $(call cc-option,-fno-stack-protector) |
| 244 | CFLAGS += $(CFLAGS_SSP) |
Mike Frysinger | 6262e4e | 2011-04-25 08:06:40 +0000 | [diff] [blame] | 245 | # Some toolchains enable security related warning flags by default, |
| 246 | # but they don't make much sense in the u-boot world, so disable them. |
Wolfgang Denk | cca4e4a | 2011-11-01 20:54:02 +0000 | [diff] [blame] | 247 | CFLAGS_WARN := $(call cc-option,-Wno-format-nonliteral) \ |
| 248 | $(call cc-option,-Wno-format-security) |
| 249 | CFLAGS += $(CFLAGS_WARN) |
Haavard Skinnemoen | 28eab0d | 2008-05-19 12:26:38 +0200 | [diff] [blame] | 250 | |
Tom Rini | 4a30f1e | 2012-02-20 13:50:10 +0000 | [diff] [blame] | 251 | # Report stack usage if supported |
| 252 | CFLAGS_STACK := $(call cc-option,-fstack-usage) |
| 253 | CFLAGS += $(CFLAGS_STACK) |
| 254 | |
Haavard Skinnemoen | e11887a | 2006-10-26 17:55:31 +0200 | [diff] [blame] | 255 | # $(CPPFLAGS) sets -g, which causes gcc to pass a suitable -g<format> |
| 256 | # option to the assembler. |
| 257 | AFLAGS_DEBUG := |
Marian Balakowicz | b62fa91 | 2006-05-17 12:18:48 +0200 | [diff] [blame] | 258 | |
Marian Balakowicz | 483a0cf | 2006-05-09 11:28:36 +0200 | [diff] [blame] | 259 | # turn jbsr into jsr for m68k |
| 260 | ifeq ($(ARCH),m68k) |
| 261 | ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) |
| 262 | AFLAGS_DEBUG := -Wa,-gstabs,-S |
| 263 | endif |
Marian Balakowicz | 483a0cf | 2006-05-09 11:28:36 +0200 | [diff] [blame] | 264 | endif |
Marian Balakowicz | b62fa91 | 2006-05-17 12:18:48 +0200 | [diff] [blame] | 265 | |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 266 | AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS) |
| 267 | |
Nobuhiro Iwamatsu | 8aba9dc | 2011-01-06 10:23:54 +0900 | [diff] [blame] | 268 | LDFLAGS += $(PLATFORM_LDFLAGS) |
Haiying Wang | 6dc1eceb | 2011-02-22 16:38:05 -0500 | [diff] [blame] | 269 | LDFLAGS_FINAL += -Bstatic |
Nobuhiro Iwamatsu | 8aba9dc | 2011-01-06 10:23:54 +0900 | [diff] [blame] | 270 | |
Haiying Wang | 6dc1eceb | 2011-02-22 16:38:05 -0500 | [diff] [blame] | 271 | LDFLAGS_u-boot += -T $(obj)u-boot.lds $(LDFLAGS_FINAL) |
Wolfgang Denk | 14d0a02 | 2010-10-07 21:51:12 +0200 | [diff] [blame] | 272 | ifneq ($(CONFIG_SYS_TEXT_BASE),) |
Nobuhiro Iwamatsu | 8aba9dc | 2011-01-06 10:23:54 +0900 | [diff] [blame] | 273 | LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) |
Mike Frysinger | 161b2af | 2008-01-28 05:28:50 -0500 | [diff] [blame] | 274 | endif |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 275 | |
Daniel Schwierzeck | c8f9c30 | 2011-07-18 06:09:15 +0000 | [diff] [blame] | 276 | LDFLAGS_u-boot-spl += -T $(obj)u-boot-spl.lds $(LDFLAGS_FINAL) |
| 277 | ifneq ($(CONFIG_SPL_TEXT_BASE),) |
| 278 | LDFLAGS_u-boot-spl += -Ttext $(CONFIG_SPL_TEXT_BASE) |
| 279 | endif |
| 280 | |
Kim Phillips | 4ab6493 | 2012-09-21 12:28:17 +0000 | [diff] [blame] | 281 | # Linus' kernel sanity checking tool |
| 282 | CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ |
| 283 | -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) |
| 284 | |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 285 | # Location of a usable BFD library, where we define "usable" as |
| 286 | # "built for ${HOST}, supports ${TARGET}". Sensible values are |
| 287 | # - When cross-compiling: the root of the cross-environment |
| 288 | # - Linux/ppc (native): /usr |
| 289 | # - NetBSD/ppc (native): you lose ... (must extract these from the |
| 290 | # binutils build directory, plus the native and U-Boot include |
| 291 | # files don't like each other) |
| 292 | # |
| 293 | # So far, this is used only by tools/gdb/Makefile. |
| 294 | |
Mike Frysinger | 4cda437 | 2009-01-17 13:32:42 -0500 | [diff] [blame] | 295 | ifeq ($(HOSTOS),darwin) |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 296 | BFD_ROOT_DIR = /usr/local/tools |
| 297 | else |
wdenk | ea909b7 | 2002-11-21 23:11:29 +0000 | [diff] [blame] | 298 | ifeq ($(HOSTARCH),$(ARCH)) |
| 299 | # native |
| 300 | BFD_ROOT_DIR = /usr |
| 301 | else |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 302 | #BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386 |
| 303 | #BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386 |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 304 | BFD_ROOT_DIR = /opt/powerpc |
| 305 | endif |
wdenk | ea909b7 | 2002-11-21 23:11:29 +0000 | [diff] [blame] | 306 | endif |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 307 | |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 308 | ######################################################################### |
| 309 | |
Scott Wood | d984fed | 2009-11-04 18:41:41 -0600 | [diff] [blame] | 310 | export HOSTCC HOSTCFLAGS HOSTLDFLAGS PEDCFLAGS HOSTSTRIP CROSS_COMPILE \ |
Peter Tyser | 434c51a | 2008-11-12 13:06:48 -0600 | [diff] [blame] | 311 | AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP MAKE |
Wolfgang Denk | 14d0a02 | 2010-10-07 21:51:12 +0200 | [diff] [blame] | 312 | export CONFIG_SYS_TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 313 | |
| 314 | ######################################################################### |
| 315 | |
Mike Frysinger | 5ec5529 | 2009-06-14 09:33:00 -0400 | [diff] [blame] | 316 | # Allow boards to use custom optimize flags on a per dir/file basis |
Peter Tyser | 89f39e1 | 2010-04-12 22:28:03 -0500 | [diff] [blame] | 317 | BCURDIR = $(subst $(SRCTREE)/,,$(CURDIR:$(obj)%=%)) |
Mike Frysinger | 326a694 | 2010-12-15 07:17:31 -0500 | [diff] [blame] | 318 | ALL_AFLAGS = $(AFLAGS) $(AFLAGS_$(BCURDIR)/$(@F)) $(AFLAGS_$(BCURDIR)) |
| 319 | ALL_CFLAGS = $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) |
Simon Glass | 4750884 | 2011-10-07 13:53:49 +0000 | [diff] [blame] | 320 | EXTRA_CPPFLAGS = $(CPPFLAGS_$(BCURDIR)/$(@F)) $(CPPFLAGS_$(BCURDIR)) |
| 321 | ALL_CFLAGS += $(EXTRA_CPPFLAGS) |
| 322 | |
| 323 | # The _DEP version uses the $< file target (for dependency generation) |
| 324 | # See rules.mk |
| 325 | EXTRA_CPPFLAGS_DEP = $(CPPFLAGS_$(BCURDIR)/$(addsuffix .o,$(basename $<))) \ |
| 326 | $(CPPFLAGS_$(BCURDIR)) |
Marian Balakowicz | f932863 | 2006-09-01 19:49:50 +0200 | [diff] [blame] | 327 | $(obj)%.s: %.S |
Mike Frysinger | 326a694 | 2010-12-15 07:17:31 -0500 | [diff] [blame] | 328 | $(CPP) $(ALL_AFLAGS) -o $@ $< |
Marian Balakowicz | f932863 | 2006-09-01 19:49:50 +0200 | [diff] [blame] | 329 | $(obj)%.o: %.S |
Mike Frysinger | 326a694 | 2010-12-15 07:17:31 -0500 | [diff] [blame] | 330 | $(CC) $(ALL_AFLAGS) -o $@ $< -c |
Marian Balakowicz | f932863 | 2006-09-01 19:49:50 +0200 | [diff] [blame] | 331 | $(obj)%.o: %.c |
Kim Phillips | 4ab6493 | 2012-09-21 12:28:17 +0000 | [diff] [blame] | 332 | ifneq ($(CHECKSRC),0) |
| 333 | $(CHECK) $(CHECKFLAGS) $(ALL_CFLAGS) $< |
| 334 | endif |
Mike Frysinger | 326a694 | 2010-12-15 07:17:31 -0500 | [diff] [blame] | 335 | $(CC) $(ALL_CFLAGS) -o $@ $< -c |
Mike Frysinger | 31f30c9 | 2009-06-14 11:03:48 -0400 | [diff] [blame] | 336 | $(obj)%.i: %.c |
Mike Frysinger | 326a694 | 2010-12-15 07:17:31 -0500 | [diff] [blame] | 337 | $(CPP) $(ALL_CFLAGS) -o $@ $< -c |
Mike Frysinger | 31f30c9 | 2009-06-14 11:03:48 -0400 | [diff] [blame] | 338 | $(obj)%.s: %.c |
Mike Frysinger | 326a694 | 2010-12-15 07:17:31 -0500 | [diff] [blame] | 339 | $(CC) $(ALL_CFLAGS) -o $@ $< -c -S |
Marian Balakowicz | f932863 | 2006-09-01 19:49:50 +0200 | [diff] [blame] | 340 | |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 341 | ######################################################################### |
Sebastien Carlier | 6d8962e | 2010-11-05 15:48:07 +0100 | [diff] [blame] | 342 | |
| 343 | # If the list of objects to link is empty, just create an empty built-in.o |
| 344 | cmd_link_o_target = $(if $(strip $1),\ |
Nobuhiro Iwamatsu | 8aba9dc | 2011-01-06 10:23:54 +0900 | [diff] [blame] | 345 | $(LD) $(LDFLAGS) -r -o $@ $1,\ |
Wolfgang Denk | 844f07d | 2010-11-27 23:30:56 +0100 | [diff] [blame] | 346 | rm -f $@; $(AR) rcs $@ ) |
Sebastien Carlier | 6d8962e | 2010-11-05 15:48:07 +0100 | [diff] [blame] | 347 | |
| 348 | ######################################################################### |