#
# (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
#

#########################################################################

# clean the slate ...
PLATFORM_LDFLAGS =
PLATFORM_RELFLAGS = -fno-strict-aliasing  -fno-common -ffixed-r8 -msoft-float
PLATFORM_CPPFLAGS = -march=armv4 -mtune=arm7tdmi -DCONFIG_ARM -D__ARM__
TEXT_BASE = 0x00400000

#########################################################################

#
# 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 := boot.lds
OBJCFLAGS += --gap-fill=0xff

gccincdir := $(shell $(CC) -print-file-name=include)

CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS)		\
	-D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE)		\
	-I$(TOPDIR)/include				\
	-fno-builtin -ffreestanding -nostdinc -isystem	\
	$(gccincdir) -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) $(PLATFORM_LDFLAGS)

#########################################################################

export	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 $@ $<

#########################################################################