| 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 | |
| 26 | # |
| 27 | # When cross-compiling on NetBSD, we have to define __PPC__ or else we |
| 28 | # will pick up a va_list declaration that is incompatible with the |
| 29 | # actual argument lists emitted by the compiler. |
| 30 | # |
| 31 | # [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3] |
| 32 | |
| 33 | ifeq ($(ARCH),ppc) |
| 34 | ifeq ($(CROSS_COMPILE),powerpc-netbsd-) |
| 35 | PLATFORM_CPPFLAGS+= -D__PPC__ |
| 36 | endif |
| 37 | ifeq ($(CROSS_COMPILE),powerpc-openbsd-) |
| 38 | PLATFORM_CPPFLAGS+= -D__PPC__ |
| 39 | endif |
| 40 | endif |
| 41 | |
| 42 | ifeq ($(ARCH),arm) |
| 43 | ifeq ($(CROSS_COMPILE),powerpc-netbsd-) |
| 44 | PLATFORM_CPPFLAGS+= -D__ARM__ |
| 45 | endif |
| 46 | ifeq ($(CROSS_COMPILE),powerpc-openbsd-) |
| 47 | PLATFORM_CPPFLAGS+= -D__ARM__ |
| 48 | endif |
| 49 | endif |
| 50 | |
| 51 | ifdef ARCH |
| 52 | sinclude $(TOPDIR)/$(ARCH)_config.mk # include architecture dependend rules |
| 53 | endif |
| 54 | ifdef CPU |
| 55 | sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules |
| 56 | endif |
| 57 | ifdef VENDOR |
| 58 | BOARDDIR = $(VENDOR)/$(BOARD) |
| 59 | else |
| 60 | BOARDDIR = $(BOARD) |
| 61 | endif |
| 62 | ifdef BOARD |
| 63 | sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules |
| 64 | endif |
| 65 | |
| 66 | ######################################################################### |
| 67 | |
| 68 | CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ |
| 69 | else if [ -x /bin/bash ]; then echo /bin/bash; \ |
| 70 | else echo sh; fi ; fi) |
| 71 | |
| 72 | ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc) |
| 73 | HOSTCC = cc |
| 74 | else |
| 75 | HOSTCC = gcc |
| 76 | endif |
| 77 | HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer |
| 78 | HOSTSTRIP = strip |
| 79 | |
| 80 | ######################################################################### |
| 81 | |
| 82 | # |
| 83 | # Include the make variables (CC, etc...) |
| 84 | # |
| 85 | AS = $(CROSS_COMPILE)as |
| 86 | LD = $(CROSS_COMPILE)ld |
| 87 | CC = $(CROSS_COMPILE)gcc |
| 88 | CPP = $(CC) -E |
| 89 | AR = $(CROSS_COMPILE)ar |
| 90 | NM = $(CROSS_COMPILE)nm |
| 91 | STRIP = $(CROSS_COMPILE)strip |
| 92 | OBJCOPY = $(CROSS_COMPILE)objcopy |
| 93 | OBJDUMP = $(CROSS_COMPILE)objdump |
| 94 | RANLIB = $(CROSS_COMPILE)RANLIB |
| 95 | |
| 96 | RELFLAGS= $(PLATFORM_RELFLAGS) |
| 97 | DBGFLAGS= -g #-DDEBUG |
| 98 | OPTFLAGS= -Os #-fomit-frame-pointer |
| 99 | #LDSCRIPT := board/$(BOARDDIR)/u-boot.lds.debug |
| 100 | LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds |
| 101 | OBJCFLAGS := --gap-fill=0xff |
| 102 | |
| 103 | CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \ |
| 104 | -D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE) \ |
| 105 | -I$(TOPDIR)/include \ |
| 106 | -fno-builtin \ |
| 107 | -pipe $(PLATFORM_CPPFLAGS) |
| 108 | |
| 109 | ifdef BUILD_TAG |
| 110 | CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \ |
| 111 | -DBUILD_TAG='"$(BUILD_TAG)"' |
| 112 | else |
| 113 | CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes |
| 114 | endif |
| 115 | |
| 116 | AFLAGS_DEBUG := -Wa,-gstabs |
| 117 | AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS) |
| 118 | |
| 119 | LDFLAGS += -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) |
| 120 | |
| 121 | # Location of a usable BFD library, where we define "usable" as |
| 122 | # "built for ${HOST}, supports ${TARGET}". Sensible values are |
| 123 | # - When cross-compiling: the root of the cross-environment |
| 124 | # - Linux/ppc (native): /usr |
| 125 | # - NetBSD/ppc (native): you lose ... (must extract these from the |
| 126 | # binutils build directory, plus the native and U-Boot include |
| 127 | # files don't like each other) |
| 128 | # |
| 129 | # So far, this is used only by tools/gdb/Makefile. |
| 130 | |
| 131 | ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc) |
| 132 | BFD_ROOT_DIR = /usr/local/tools |
| 133 | else |
| 134 | #BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386 |
| 135 | #BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386 |
| 136 | #BFD_ROOT_DIR = /usr # native |
| 137 | BFD_ROOT_DIR = /opt/powerpc |
| 138 | endif |
| 139 | |
| 140 | ######################################################################### |
| 141 | |
| 142 | export CONFIG_SHELL HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE \ |
| 143 | AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP \ |
| 144 | MAKE |
| 145 | export TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS |
| 146 | |
| 147 | ######################################################################### |
| 148 | |
| 149 | %.s: %.S |
| 150 | $(CPP) $(AFLAGS) -o $@ $(CURDIR)/$< |
| 151 | %.o: %.S |
| 152 | $(CC) $(AFLAGS) -c -o $@ $(CURDIR)/$< |
| 153 | %.o: %.c |
| 154 | $(CC) $(CFLAGS) -c -o $@ $< |
| 155 | |
| 156 | ######################################################################### |