Fix mkimage -l bug with multifile images on 64bit platforms
[people/ms/u-boot.git] / config.mk
CommitLineData
e2211743 1#
f9328639 2# (C) Copyright 2000-2006
e2211743
WD
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
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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
f9328639
MB
26ifneq ($(OBJTREE),$(SRCTREE))
27ifeq ($(CURDIR),$(SRCTREE))
28dir :=
29else
30dir := $(subst $(SRCTREE)/,,$(CURDIR))
31endif
32
33obj := $(if $(dir),$(OBJTREE)/$(dir)/,$(OBJTREE)/)
34src := $(if $(dir),$(SRCTREE)/$(dir)/,$(SRCTREE)/)
35
36$(shell mkdir -p $(obj))
37else
38obj :=
39src :=
40endif
41
592c5cab
WD
42# clean the slate ...
43PLATFORM_RELFLAGS =
44PLATFORM_CPPFLAGS =
45PLATFORM_LDFLAGS =
46
e2211743
WD
47#
48# When cross-compiling on NetBSD, we have to define __PPC__ or else we
49# will pick up a va_list declaration that is incompatible with the
50# actual argument lists emitted by the compiler.
51#
52# [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]
53
54ifeq ($(ARCH),ppc)
55ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
56PLATFORM_CPPFLAGS+= -D__PPC__
57endif
58ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
59PLATFORM_CPPFLAGS+= -D__PPC__
60endif
61endif
62
63ifeq ($(ARCH),arm)
64ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
65PLATFORM_CPPFLAGS+= -D__ARM__
66endif
67ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
68PLATFORM_CPPFLAGS+= -D__ARM__
69endif
70endif
71
0afe519a
WD
72ifeq ($(ARCH),blackfin)
73PLATFORM_CPPFLAGS+= -D__BLACKFIN__ -mno-underscore
74endif
75
e2211743
WD
76ifdef ARCH
77sinclude $(TOPDIR)/$(ARCH)_config.mk # include architecture dependend rules
78endif
79ifdef CPU
80sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules
81endif
1d9f4105
WD
82ifdef SOC
83sinclude $(TOPDIR)/cpu/$(CPU)/$(SOC)/config.mk # include SoC specific rules
84endif
e2211743
WD
85ifdef VENDOR
86BOARDDIR = $(VENDOR)/$(BOARD)
87else
88BOARDDIR = $(BOARD)
89endif
90ifdef BOARD
91sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules
92endif
93
94#########################################################################
95
96CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
97 else if [ -x /bin/bash ]; then echo /bin/bash; \
98 else echo sh; fi ; fi)
99
100ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
101HOSTCC = cc
102else
103HOSTCC = gcc
104endif
105HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
106HOSTSTRIP = strip
107
108#########################################################################
1820d4c7
WD
109#
110# Option checker (courtesy linux kernel) to ensure
111# only supported compiler options are used
112#
113cc-option = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
9b880bd4 114 > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
e2211743
WD
115
116#
117# Include the make variables (CC, etc...)
118#
119AS = $(CROSS_COMPILE)as
120LD = $(CROSS_COMPILE)ld
121CC = $(CROSS_COMPILE)gcc
122CPP = $(CC) -E
123AR = $(CROSS_COMPILE)ar
124NM = $(CROSS_COMPILE)nm
125STRIP = $(CROSS_COMPILE)strip
126OBJCOPY = $(CROSS_COMPILE)objcopy
127OBJDUMP = $(CROSS_COMPILE)objdump
128RANLIB = $(CROSS_COMPILE)RANLIB
129
130RELFLAGS= $(PLATFORM_RELFLAGS)
9acb626f 131DBGFLAGS= -g # -DDEBUG
e2211743 132OPTFLAGS= -Os #-fomit-frame-pointer
6dd652fa 133ifndef LDSCRIPT
4aeb251f 134#LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
e2211743 135LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
6dd652fa
WD
136endif
137OBJCFLAGS += --gap-fill=0xff
e2211743 138
b783edae
WD
139gccincdir := $(shell $(CC) -print-file-name=include)
140
e2211743
WD
141CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \
142 -D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE) \
f9328639
MB
143
144ifneq ($(OBJTREE),$(SRCTREE))
145CPPFLAGS += -I$(OBJTREE)/include2 -I$(OBJTREE)/include
146endif
147
148CPPFLAGS += -I$(TOPDIR)/include
149CPPFLAGS += -fno-builtin -ffreestanding -nostdinc \
150 -isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
e2211743
WD
151
152ifdef BUILD_TAG
153CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \
154 -DBUILD_TAG='"$(BUILD_TAG)"'
155else
156CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes
157endif
158
c40b2956
WD
159# avoid trigraph warnings while parsing pci.h (produced by NIOS gcc-2.9)
160# this option have to be placed behind -Wall -- that's why it is here
161ifeq ($(ARCH),nios)
162ifeq ($(findstring 2.9,$(shell $(CC) --version)),2.9)
e4cc71aa 163CFLAGS := $(CPPFLAGS) -Wall -Wno-trigraphs
c40b2956
WD
164endif
165endif
166
b62fa913
MB
167AFLAGS_DEBUG := -Wa,-gstabs
168
483a0cf8
MB
169# turn jbsr into jsr for m68k
170ifeq ($(ARCH),m68k)
171ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4)
172AFLAGS_DEBUG := -Wa,-gstabs,-S
173endif
483a0cf8 174endif
b62fa913 175
e2211743
WD
176AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS)
177
7f6c2cbc 178LDFLAGS += -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
e2211743
WD
179
180# Location of a usable BFD library, where we define "usable" as
181# "built for ${HOST}, supports ${TARGET}". Sensible values are
182# - When cross-compiling: the root of the cross-environment
183# - Linux/ppc (native): /usr
184# - NetBSD/ppc (native): you lose ... (must extract these from the
185# binutils build directory, plus the native and U-Boot include
186# files don't like each other)
187#
188# So far, this is used only by tools/gdb/Makefile.
189
190ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
191BFD_ROOT_DIR = /usr/local/tools
192else
ea909b76
WD
193ifeq ($(HOSTARCH),$(ARCH))
194# native
195BFD_ROOT_DIR = /usr
196else
e2211743
WD
197#BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386
198#BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386
e2211743
WD
199BFD_ROOT_DIR = /opt/powerpc
200endif
ea909b76 201endif
e2211743 202
f046ccd1
EL
203ifeq ($(PCI_CLOCK),PCI_66M)
204CFLAGS := $(CFLAGS) -DPCI_66M
205endif
206
e2211743
WD
207#########################################################################
208
209export CONFIG_SHELL HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE \
210 AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP \
211 MAKE
212export TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
213
214#########################################################################
215
f9328639
MB
216ifndef REMOTE_BUILD
217
e2211743 218%.s: %.S
f9328639 219 $(CPP) $(AFLAGS) -o $@ $<
e2211743 220%.o: %.S
f9328639 221 $(CC) $(AFLAGS) -c -o $@ $<
e2211743
WD
222%.o: %.c
223 $(CC) $(CFLAGS) -c -o $@ $<
224
f9328639
MB
225else
226
227$(obj)%.s: %.S
228 $(CPP) $(AFLAGS) -o $@ $<
229$(obj)%.o: %.S
230 $(CC) $(AFLAGS) -c -o $@ $<
231$(obj)%.o: %.c
232 $(CC) $(CFLAGS) -c -o $@ $<
233endif
234
e2211743 235#########################################################################