1# 2# m68k/Makefile 3# 4# This file is included by the global makefile so that you can add your own 5# architecture-specific flags and dependencies. 6# 7# This file is subject to the terms and conditions of the GNU General Public 8# License. See the file "COPYING" in the main directory of this archive 9# for more details. 10# 11# Copyright (C) 1994 by Hamish Macdonald 12# Copyright (C) 2002,2011 Greg Ungerer <gerg@snapgear.com> 13# 14 15KBUILD_DEFCONFIG := multi_defconfig 16 17ifdef cross_compiling 18 ifeq ($(CROSS_COMPILE),) 19 CROSS_COMPILE := $(call cc-cross-prefix, \ 20 m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-) 21 endif 22endif 23 24# 25# Enable processor type. Ordering of these is important - we want to 26# use the minimum processor type of the range we support. The logic 27# for 680x0 will only allow use of the -m68060 or -m68040 if no other 28# 680x0 type is specified - and no option is specified for 68030 or 29# 68020. The other m68k/ColdFire types always specify some type of 30# compiler cpu type flag. 31# 32ifndef CONFIG_M68040 33cpuflags-$(CONFIG_M68060) = -m68060 34endif 35ifndef CONFIG_M68060 36cpuflags-$(CONFIG_M68040) = -m68040 37endif 38cpuflags-$(CONFIG_M68030) = 39cpuflags-$(CONFIG_M68020) = 40cpuflags-$(CONFIG_M68000) = -m68000 41cpuflags-$(CONFIG_M5441x) = $(call cc-option,-mcpu=54455,-mcfv4e) 42cpuflags-$(CONFIG_M54xx) = $(call cc-option,-mcpu=5475,-m5200) 43cpuflags-$(CONFIG_M5407) = $(call cc-option,-mcpu=5407,-m5200) 44cpuflags-$(CONFIG_M532x) = $(call cc-option,-mcpu=532x,-m5307) 45cpuflags-$(CONFIG_M537x) = $(call cc-option,-mcpu=537x,-m5307) 46cpuflags-$(CONFIG_M5307) = $(call cc-option,-mcpu=5307,-m5200) 47cpuflags-$(CONFIG_M528x) = $(call cc-option,-mcpu=528x,-m5307) 48cpuflags-$(CONFIG_M5275) = $(call cc-option,-mcpu=5275,-m5307) 49cpuflags-$(CONFIG_M5272) = $(call cc-option,-mcpu=5272,-m5307) 50cpuflags-$(CONFIG_M5271) = $(call cc-option,-mcpu=5271,-m5307) 51cpuflags-$(CONFIG_M523x) = $(call cc-option,-mcpu=523x,-m5307) 52cpuflags-$(CONFIG_M525x) = $(call cc-option,-mcpu=5253,-m5200) 53cpuflags-$(CONFIG_M5249) = $(call cc-option,-mcpu=5249,-m5200) 54cpuflags-$(CONFIG_M520x) = $(call cc-option,-mcpu=5208,-m5200) 55cpuflags-$(CONFIG_M5206e) = $(call cc-option,-mcpu=5206e,-m5200) 56cpuflags-$(CONFIG_M5206) = $(call cc-option,-mcpu=5206,-m5200) 57 58# Evaluate tune cc-option calls now 59cpuflags-y := $(cpuflags-y) 60 61KBUILD_AFLAGS += $(cpuflags-y) 62KBUILD_CFLAGS += $(cpuflags-y) 63 64KBUILD_CFLAGS += -pipe -ffreestanding 65 66ifdef CONFIG_MMU 67KBUILD_CFLAGS += -ffixed-a2 68else 69# we can use a m68k-linux-gcc toolchain with these in place 70KBUILD_CPPFLAGS += -DUTS_SYSNAME=\"uClinux\" 71KBUILD_CPPFLAGS += -D__uClinux__ 72endif 73 74KBUILD_LDFLAGS := -m m68kelf 75 76ifdef CONFIG_SUN3 77LDFLAGS_vmlinux = -N 78endif 79 80CHECKFLAGS += -D__mc68000__ 81 82 83ifdef CONFIG_KGDB 84# If configured for kgdb support, include debugging infos and keep the 85# frame pointer 86KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g 87endif 88 89# 90# Select the assembler head startup code. Order is important. The default 91# head code is first, processor specific selections can override it after. 92# 93head-y := arch/m68k/kernel/head.o 94head-$(CONFIG_SUN3) := arch/m68k/kernel/sun3-head.o 95head-$(CONFIG_M68000) := arch/m68k/68000/head.o 96head-$(CONFIG_COLDFIRE) := arch/m68k/coldfire/head.o 97 98libs-y += arch/m68k/lib/ 99 100 101all: zImage 102 103lilo: vmlinux 104 if [ -f $(INSTALL_PATH)/vmlinux ]; then mv -f $(INSTALL_PATH)/vmlinux $(INSTALL_PATH)/vmlinux.old; fi 105 if [ -f $(INSTALL_PATH)/System.map ]; then mv -f $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi 106 cat vmlinux > $(INSTALL_PATH)/vmlinux 107 cp System.map $(INSTALL_PATH)/System.map 108 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi 109 110zImage compressed: vmlinux.gz 111 112vmlinux.gz: vmlinux 113 114ifndef CONFIG_KGDB 115 cp vmlinux vmlinux.tmp 116 $(STRIP) vmlinux.tmp 117 $(KGZIP) -9c vmlinux.tmp >vmlinux.gz 118 rm vmlinux.tmp 119else 120 $(KGZIP) -9c vmlinux >vmlinux.gz 121endif 122 123bzImage: vmlinux.bz2 124 125vmlinux.bz2: vmlinux 126 127ifndef CONFIG_KGDB 128 cp vmlinux vmlinux.tmp 129 $(STRIP) vmlinux.tmp 130 $(KBZIP2) -1c vmlinux.tmp >vmlinux.bz2 131 rm vmlinux.tmp 132else 133 $(KBZIP2) -1c vmlinux >vmlinux.bz2 134endif 135 136CLEAN_FILES += vmlinux.gz vmlinux.bz2 137 138archheaders: 139 $(Q)$(MAKE) $(build)=arch/m68k/kernel/syscalls all 140 141install: KBUILD_IMAGE := vmlinux.gz 142install: 143 $(call cmd,install) 144