wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 1 | # |
| 2 | # (C) Copyright 2000 |
| 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 | |
wdenk | dbae504 | 2003-06-21 00:17:24 +0000 | [diff] [blame] | 26 | # clean the slate ... |
| 27 | PLATFORM_RELFLAGS = |
| 28 | PLATFORM_CPPFLAGS = |
| 29 | PLATFORM_LDFLAGS = |
| 30 | |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 31 | # |
| 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. |
| 35 | # |
| 36 | # [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3] |
| 37 | |
| 38 | ifeq ($(ARCH),ppc) |
| 39 | ifeq ($(CROSS_COMPILE),powerpc-netbsd-) |
| 40 | PLATFORM_CPPFLAGS+= -D__PPC__ |
| 41 | endif |
| 42 | ifeq ($(CROSS_COMPILE),powerpc-openbsd-) |
| 43 | PLATFORM_CPPFLAGS+= -D__PPC__ |
| 44 | endif |
| 45 | endif |
| 46 | |
| 47 | ifeq ($(ARCH),arm) |
| 48 | ifeq ($(CROSS_COMPILE),powerpc-netbsd-) |
| 49 | PLATFORM_CPPFLAGS+= -D__ARM__ |
| 50 | endif |
| 51 | ifeq ($(CROSS_COMPILE),powerpc-openbsd-) |
| 52 | PLATFORM_CPPFLAGS+= -D__ARM__ |
| 53 | endif |
| 54 | endif |
| 55 | |
| 56 | ifdef ARCH |
| 57 | sinclude $(TOPDIR)/$(ARCH)_config.mk # include architecture dependend rules |
| 58 | endif |
| 59 | ifdef CPU |
| 60 | sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules |
| 61 | endif |
| 62 | ifdef VENDOR |
| 63 | BOARDDIR = $(VENDOR)/$(BOARD) |
| 64 | else |
| 65 | BOARDDIR = $(BOARD) |
| 66 | endif |
| 67 | ifdef BOARD |
| 68 | sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules |
| 69 | endif |
| 70 | |
| 71 | ######################################################################### |
| 72 | |
| 73 | CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ |
| 74 | else if [ -x /bin/bash ]; then echo /bin/bash; \ |
| 75 | else echo sh; fi ; fi) |
| 76 | |
| 77 | ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc) |
| 78 | HOSTCC = cc |
| 79 | else |
| 80 | HOSTCC = gcc |
| 81 | endif |
| 82 | HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer |
| 83 | HOSTSTRIP = strip |
| 84 | |
| 85 | ######################################################################### |
| 86 | |
| 87 | # |
| 88 | # Include the make variables (CC, etc...) |
| 89 | # |
| 90 | AS = $(CROSS_COMPILE)as |
| 91 | LD = $(CROSS_COMPILE)ld |
| 92 | CC = $(CROSS_COMPILE)gcc |
| 93 | CPP = $(CC) -E |
| 94 | AR = $(CROSS_COMPILE)ar |
| 95 | NM = $(CROSS_COMPILE)nm |
| 96 | STRIP = $(CROSS_COMPILE)strip |
| 97 | OBJCOPY = $(CROSS_COMPILE)objcopy |
| 98 | OBJDUMP = $(CROSS_COMPILE)objdump |
| 99 | RANLIB = $(CROSS_COMPILE)RANLIB |
| 100 | |
| 101 | RELFLAGS= $(PLATFORM_RELFLAGS) |
| 102 | DBGFLAGS= -g #-DDEBUG |
| 103 | OPTFLAGS= -Os #-fomit-frame-pointer |
wdenk | b00ec16 | 2003-06-19 23:40:20 +0000 | [diff] [blame] | 104 | ifndef LDSCRIPT |
wdenk | f5547d3 | 2003-09-16 17:06:05 +0000 | [diff] [blame] | 105 | #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 106 | LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds |
wdenk | b00ec16 | 2003-06-19 23:40:20 +0000 | [diff] [blame] | 107 | endif |
| 108 | OBJCFLAGS += --gap-fill=0xff |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 109 | |
wdenk | bb2d927 | 2003-06-25 22:26:29 +0000 | [diff] [blame] | 110 | gccincdir := $(shell $(CC) -print-file-name=include) |
| 111 | |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 112 | CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \ |
| 113 | -D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE) \ |
| 114 | -I$(TOPDIR)/include \ |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 115 | -fno-builtin -ffreestanding -nostdinc -isystem \ |
| 116 | $(gccincdir) -pipe $(PLATFORM_CPPFLAGS) |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 117 | |
| 118 | ifdef BUILD_TAG |
| 119 | CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \ |
| 120 | -DBUILD_TAG='"$(BUILD_TAG)"' |
| 121 | else |
| 122 | CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes |
| 123 | endif |
| 124 | |
wdenk | f602aa0 | 2004-03-13 23:29:43 +0000 | [diff] [blame] | 125 | # avoid trigraph warnings while parsing pci.h (produced by NIOS gcc-2.9) |
| 126 | # this option have to be placed behind -Wall -- that's why it is here |
| 127 | ifeq ($(ARCH),nios) |
| 128 | ifeq ($(findstring 2.9,$(shell $(CC) --version)),2.9) |
wdenk | e4adb35 | 2004-05-19 21:33:14 +0000 | [diff] [blame^] | 129 | CFLAGS := $(CPPFLAGS) -Wall -Wno-trigraphs |
wdenk | f602aa0 | 2004-03-13 23:29:43 +0000 | [diff] [blame] | 130 | endif |
| 131 | endif |
| 132 | |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 133 | AFLAGS_DEBUG := -Wa,-gstabs |
| 134 | AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS) |
| 135 | |
wdenk | 1272e23 | 2002-11-10 22:06:23 +0000 | [diff] [blame] | 136 | LDFLAGS += -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS) |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 137 | |
| 138 | # Location of a usable BFD library, where we define "usable" as |
| 139 | # "built for ${HOST}, supports ${TARGET}". Sensible values are |
| 140 | # - When cross-compiling: the root of the cross-environment |
| 141 | # - Linux/ppc (native): /usr |
| 142 | # - NetBSD/ppc (native): you lose ... (must extract these from the |
| 143 | # binutils build directory, plus the native and U-Boot include |
| 144 | # files don't like each other) |
| 145 | # |
| 146 | # So far, this is used only by tools/gdb/Makefile. |
| 147 | |
| 148 | ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc) |
| 149 | BFD_ROOT_DIR = /usr/local/tools |
| 150 | else |
wdenk | 2029f4d | 2002-11-21 23:11:29 +0000 | [diff] [blame] | 151 | ifeq ($(HOSTARCH),$(ARCH)) |
| 152 | # native |
| 153 | BFD_ROOT_DIR = /usr |
| 154 | else |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 155 | #BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386 |
| 156 | #BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386 |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 157 | BFD_ROOT_DIR = /opt/powerpc |
| 158 | endif |
wdenk | 2029f4d | 2002-11-21 23:11:29 +0000 | [diff] [blame] | 159 | endif |
wdenk | e221174 | 2002-11-02 23:30:20 +0000 | [diff] [blame] | 160 | |
| 161 | ######################################################################### |
| 162 | |
| 163 | export CONFIG_SHELL HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE \ |
| 164 | AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP \ |
| 165 | MAKE |
| 166 | export TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS |
| 167 | |
| 168 | ######################################################################### |
| 169 | |
| 170 | %.s: %.S |
| 171 | $(CPP) $(AFLAGS) -o $@ $(CURDIR)/$< |
| 172 | %.o: %.S |
| 173 | $(CC) $(AFLAGS) -c -o $@ $(CURDIR)/$< |
| 174 | %.o: %.c |
| 175 | $(CC) $(CFLAGS) -c -o $@ $< |
| 176 | |
| 177 | ######################################################################### |