3 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 # See file CREDITS for list of people who contributed to this
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.
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.
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,
24 #########################################################################
32 # When cross-compiling on NetBSD, we have to define __PPC__ or else we
33 # will pick up a va_list declaration that is incompatible with the
34 # actual argument lists emitted by the compiler.
36 # [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]
39 ifeq ($(CROSS_COMPILE
),powerpc-netbsd-
)
40 PLATFORM_CPPFLAGS
+= -D__PPC__
42 ifeq ($(CROSS_COMPILE
),powerpc-openbsd-
)
43 PLATFORM_CPPFLAGS
+= -D__PPC__
48 ifeq ($(CROSS_COMPILE
),powerpc-netbsd-
)
49 PLATFORM_CPPFLAGS
+= -D__ARM__
51 ifeq ($(CROSS_COMPILE
),powerpc-openbsd-
)
52 PLATFORM_CPPFLAGS
+= -D__ARM__
57 sinclude
$(TOPDIR
)/$(ARCH
)_config.mk
# include architecture dependend rules
60 sinclude
$(TOPDIR
)/cpu
/$(CPU
)/config.mk
# include CPU specific rules
63 sinclude
$(TOPDIR
)/cpu
/$(CPU
)/$(SOC
)/config.mk
# include SoC specific rules
66 BOARDDIR
= $(VENDOR
)/$(BOARD
)
71 sinclude
$(TOPDIR
)/board
/$(BOARDDIR
)/config.mk
# include board specific rules
74 #########################################################################
76 CONFIG_SHELL
:= $(shell if
[ -x
"$$BASH" ]; then echo
$$BASH; \
77 else if
[ -x
/bin
/bash
]; then echo
/bin
/bash
; \
78 else echo sh
; fi
; fi
)
80 ifeq ($(HOSTOS
)-$(HOSTARCH
),darwin-ppc
)
85 HOSTCFLAGS
= -Wall
-Wstrict-prototypes
-O2
-fomit-frame-pointer
88 #########################################################################
91 # Include the make variables (CC, etc...)
93 AS
= $(CROSS_COMPILE
)as
94 LD
= $(CROSS_COMPILE
)ld
95 CC
= $(CROSS_COMPILE
)gcc
97 AR
= $(CROSS_COMPILE
)ar
98 NM
= $(CROSS_COMPILE
)nm
99 STRIP
= $(CROSS_COMPILE
)strip
100 OBJCOPY
= $(CROSS_COMPILE
)objcopy
101 OBJDUMP
= $(CROSS_COMPILE
)objdump
102 RANLIB
= $(CROSS_COMPILE
)RANLIB
104 RELFLAGS
= $(PLATFORM_RELFLAGS
)
105 DBGFLAGS
= -g
#-DDEBUG
106 OPTFLAGS
= -Os
#-fomit-frame-pointer
108 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
109 LDSCRIPT
:= $(TOPDIR
)/board
/$(BOARDDIR
)/u-boot.lds
111 OBJCFLAGS
+= --gap-fill
=0xff
113 gccincdir
:= $(shell $(CC
) -print-file-name
=include)
115 CPPFLAGS
:= $(DBGFLAGS
) $(OPTFLAGS
) $(RELFLAGS
) \
116 -D__KERNEL__
-DTEXT_BASE
=$(TEXT_BASE
) \
117 -I
$(TOPDIR
)/include \
118 -fno-builtin
-ffreestanding
-nostdinc
-isystem \
119 $(gccincdir
) -pipe
$(PLATFORM_CPPFLAGS
)
122 CFLAGS
:= $(CPPFLAGS
) -Wall
-Wstrict-prototypes \
123 -DBUILD_TAG
='"$(BUILD_TAG)"'
125 CFLAGS
:= $(CPPFLAGS
) -Wall
-Wstrict-prototypes
128 # avoid trigraph warnings while parsing pci.h (produced by NIOS gcc-2.9)
129 # this option have to be placed behind -Wall -- that's why it is here
131 ifeq ($(findstring 2.9,$(shell $(CC
) --version
)),2.9)
132 CFLAGS
:= $(CPPFLAGS
) -Wall
-Wno-trigraphs
136 AFLAGS_DEBUG
:= -Wa
,-gstabs
137 AFLAGS
:= $(AFLAGS_DEBUG
) -D__ASSEMBLY__
$(CPPFLAGS
)
139 LDFLAGS
+= -Bstatic
-T
$(LDSCRIPT
) -Ttext
$(TEXT_BASE
) $(PLATFORM_LDFLAGS
)
141 # Location of a usable BFD library, where we define "usable" as
142 # "built for ${HOST}, supports ${TARGET}". Sensible values are
143 # - When cross-compiling: the root of the cross-environment
144 # - Linux/ppc (native): /usr
145 # - NetBSD/ppc (native): you lose ... (must extract these from the
146 # binutils build directory, plus the native and U-Boot include
147 # files don't like each other)
149 # So far, this is used only by tools/gdb/Makefile.
151 ifeq ($(HOSTOS
)-$(HOSTARCH
),darwin-ppc
)
152 BFD_ROOT_DIR
= /usr
/local
/tools
154 ifeq ($(HOSTARCH
),$(ARCH
))
158 #BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386
159 #BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386
160 BFD_ROOT_DIR
= /opt
/powerpc
164 ifeq ($(PCI_CLOCK
),PCI_66M
)
165 CFLAGS
:= $(CFLAGS
) -DPCI_66M
168 #########################################################################
170 export CONFIG_SHELL HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE \
171 AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP \
173 export TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
175 #########################################################################
178 $(CPP
) $(AFLAGS
) -o
$@
$(CURDIR
)/$<
180 $(CC
) $(AFLAGS
) -c
-o
$@
$(CURDIR
)/$<
182 $(CC
) $(CFLAGS
) -c
-o
$@
$<
184 #########################################################################