9b880bd4d8
Correct addessing errors in platform files. Split off common core module data from Integrator header files to include/armcoremodule.h. Patch by Peter Pearse, 04 Oct 2005
191 lines
5.4 KiB
Makefile
191 lines
5.4 KiB
Makefile
#
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# (C) Copyright 2000
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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#########################################################################
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# clean the slate ...
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PLATFORM_RELFLAGS =
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PLATFORM_CPPFLAGS =
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PLATFORM_LDFLAGS =
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#
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# When cross-compiling on NetBSD, we have to define __PPC__ or else we
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# will pick up a va_list declaration that is incompatible with the
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# actual argument lists emitted by the compiler.
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#
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# [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]
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ifeq ($(ARCH),ppc)
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ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
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PLATFORM_CPPFLAGS+= -D__PPC__
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endif
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ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
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PLATFORM_CPPFLAGS+= -D__PPC__
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endif
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endif
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ifeq ($(ARCH),arm)
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ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
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PLATFORM_CPPFLAGS+= -D__ARM__
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endif
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ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
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PLATFORM_CPPFLAGS+= -D__ARM__
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endif
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endif
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ifdef ARCH
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sinclude $(TOPDIR)/$(ARCH)_config.mk # include architecture dependend rules
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endif
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ifdef CPU
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sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules
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endif
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ifdef SOC
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sinclude $(TOPDIR)/cpu/$(CPU)/$(SOC)/config.mk # include SoC specific rules
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endif
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ifdef VENDOR
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BOARDDIR = $(VENDOR)/$(BOARD)
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else
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BOARDDIR = $(BOARD)
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endif
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ifdef BOARD
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sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules
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endif
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#########################################################################
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CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
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else if [ -x /bin/bash ]; then echo /bin/bash; \
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else echo sh; fi ; fi)
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ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
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HOSTCC = cc
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else
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HOSTCC = gcc
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endif
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HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
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HOSTSTRIP = strip
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#########################################################################
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#
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# Option checker (courtesy linux kernel) to ensure
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# only supported compiler options are used
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#
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cc-option = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
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> /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
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#
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# Include the make variables (CC, etc...)
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#
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AS = $(CROSS_COMPILE)as
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LD = $(CROSS_COMPILE)ld
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CC = $(CROSS_COMPILE)gcc
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CPP = $(CC) -E
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AR = $(CROSS_COMPILE)ar
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NM = $(CROSS_COMPILE)nm
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STRIP = $(CROSS_COMPILE)strip
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OBJCOPY = $(CROSS_COMPILE)objcopy
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OBJDUMP = $(CROSS_COMPILE)objdump
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RANLIB = $(CROSS_COMPILE)RANLIB
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RELFLAGS= $(PLATFORM_RELFLAGS)
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DBGFLAGS= -g #-DDEBUG
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OPTFLAGS= -Os #-fomit-frame-pointer
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ifndef LDSCRIPT
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#LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
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LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
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endif
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OBJCFLAGS += --gap-fill=0xff
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gccincdir := $(shell $(CC) -print-file-name=include)
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CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \
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-D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE) \
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-I$(TOPDIR)/include \
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-fno-builtin -ffreestanding -nostdinc -isystem \
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$(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
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ifdef BUILD_TAG
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CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \
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-DBUILD_TAG='"$(BUILD_TAG)"'
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else
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CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes
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endif
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# avoid trigraph warnings while parsing pci.h (produced by NIOS gcc-2.9)
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# this option have to be placed behind -Wall -- that's why it is here
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ifeq ($(ARCH),nios)
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ifeq ($(findstring 2.9,$(shell $(CC) --version)),2.9)
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CFLAGS := $(CPPFLAGS) -Wall -Wno-trigraphs
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endif
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endif
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AFLAGS_DEBUG := -Wa,-gstabs
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AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS)
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LDFLAGS += -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
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# Location of a usable BFD library, where we define "usable" as
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# "built for ${HOST}, supports ${TARGET}". Sensible values are
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# - When cross-compiling: the root of the cross-environment
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# - Linux/ppc (native): /usr
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# - NetBSD/ppc (native): you lose ... (must extract these from the
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# binutils build directory, plus the native and U-Boot include
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# files don't like each other)
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#
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# So far, this is used only by tools/gdb/Makefile.
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ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
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BFD_ROOT_DIR = /usr/local/tools
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else
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ifeq ($(HOSTARCH),$(ARCH))
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# native
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BFD_ROOT_DIR = /usr
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else
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#BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386
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#BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386
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BFD_ROOT_DIR = /opt/powerpc
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endif
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endif
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ifeq ($(PCI_CLOCK),PCI_66M)
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CFLAGS := $(CFLAGS) -DPCI_66M
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endif
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#########################################################################
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export CONFIG_SHELL HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE \
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AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP \
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MAKE
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export TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
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#########################################################################
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%.s: %.S
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$(CPP) $(AFLAGS) -o $@ $(CURDIR)/$<
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%.o: %.S
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$(CC) $(AFLAGS) -c -o $@ $(CURDIR)/$<
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%.o: %.c
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$(CC) $(CFLAGS) -c -o $@ $<
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#########################################################################
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