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Diffstat (limited to 'config.mk')
| -rw-r--r-- | config.mk | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/config.mk b/config.mk new file mode 100644 index 0000000..ef3c703 --- /dev/null +++ b/config.mk @@ -0,0 +1,156 @@ +# +# (C) Copyright 2000 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +######################################################################### + +# +# When cross-compiling on NetBSD, we have to define __PPC__ or else we +# will pick up a va_list declaration that is incompatible with the +# actual argument lists emitted by the compiler. +# +# [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3] + +ifeq ($(ARCH),ppc) +ifeq ($(CROSS_COMPILE),powerpc-netbsd-) +PLATFORM_CPPFLAGS+= -D__PPC__ +endif +ifeq ($(CROSS_COMPILE),powerpc-openbsd-) +PLATFORM_CPPFLAGS+= -D__PPC__ +endif +endif + +ifeq ($(ARCH),arm) +ifeq ($(CROSS_COMPILE),powerpc-netbsd-) +PLATFORM_CPPFLAGS+= -D__ARM__ +endif +ifeq ($(CROSS_COMPILE),powerpc-openbsd-) +PLATFORM_CPPFLAGS+= -D__ARM__ +endif +endif + +ifdef ARCH +sinclude $(TOPDIR)/$(ARCH)_config.mk # include architecture dependend rules +endif +ifdef CPU +sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules +endif +ifdef VENDOR +BOARDDIR = $(VENDOR)/$(BOARD) +else +BOARDDIR = $(BOARD) +endif +ifdef BOARD +sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules +endif + +######################################################################### + +CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ + else if [ -x /bin/bash ]; then echo /bin/bash; \ + else echo sh; fi ; fi) + +ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc) +HOSTCC = cc +else +HOSTCC = gcc +endif +HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer +HOSTSTRIP = strip + +######################################################################### + +# +# Include the make variables (CC, etc...) +# +AS = $(CROSS_COMPILE)as +LD = $(CROSS_COMPILE)ld +CC = $(CROSS_COMPILE)gcc +CPP = $(CC) -E +AR = $(CROSS_COMPILE)ar +NM = $(CROSS_COMPILE)nm +STRIP = $(CROSS_COMPILE)strip +OBJCOPY = $(CROSS_COMPILE)objcopy +OBJDUMP = $(CROSS_COMPILE)objdump +RANLIB = $(CROSS_COMPILE)RANLIB + +RELFLAGS= $(PLATFORM_RELFLAGS) +DBGFLAGS= -g #-DDEBUG +OPTFLAGS= -Os #-fomit-frame-pointer +#LDSCRIPT := board/$(BOARDDIR)/u-boot.lds.debug +LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds +OBJCFLAGS := --gap-fill=0xff + +CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \ + -D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE) \ + -I$(TOPDIR)/include \ + -fno-builtin \ + -pipe $(PLATFORM_CPPFLAGS) + +ifdef BUILD_TAG +CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \ + -DBUILD_TAG='"$(BUILD_TAG)"' +else +CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes +endif + +AFLAGS_DEBUG := -Wa,-gstabs +AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS) + +LDFLAGS += -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) + +# Location of a usable BFD library, where we define "usable" as +# "built for ${HOST}, supports ${TARGET}". Sensible values are +# - When cross-compiling: the root of the cross-environment +# - Linux/ppc (native): /usr +# - NetBSD/ppc (native): you lose ... (must extract these from the +# binutils build directory, plus the native and U-Boot include +# files don't like each other) +# +# So far, this is used only by tools/gdb/Makefile. + +ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc) +BFD_ROOT_DIR = /usr/local/tools +else +#BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386 +#BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386 +#BFD_ROOT_DIR = /usr # native +BFD_ROOT_DIR = /opt/powerpc +endif + +######################################################################### + +export CONFIG_SHELL HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE \ + AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP \ + MAKE +export TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS + +######################################################################### + +%.s: %.S + $(CPP) $(AFLAGS) -o $@ $(CURDIR)/$< +%.o: %.S + $(CC) $(AFLAGS) -c -o $@ $(CURDIR)/$< +%.o: %.c + $(CC) $(CFLAGS) -c -o $@ $< + +######################################################################### |