2009-03-27 21:00:10 +01:00
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#
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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_LDFLAGS =
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2009-04-20 21:43:24 +02:00
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PLATFORM_RELFLAGS = -fno-strict-aliasing -fno-common -ffixed-r8 -ffunction-sections -msoft-float
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2009-04-22 22:04:50 +02:00
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PLATFORM_CPPFLAGS = -march=armv4t -mlong-calls -mtune=arm7tdmi-s -DCONFIG_ARM -D__ARM__ -mcallee-super-interworking -mthumb -mthumb-interwork
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2009-03-27 21:00:10 +01:00
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TEXT_BASE = 0x00400000
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#########################################################################
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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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LDSCRIPT := boot.lds
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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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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) $(PLATFORM_LDFLAGS)
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#########################################################################
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export CROSS_COMPILE AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP MAKE
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export TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
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#########################################################################
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%.s: %.S
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$(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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