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. Remember to do have actions 6# for "archclean" and "archdep" for cleaning up and making dependencies for 7# this architecture 8# 9# This file is subject to the terms and conditions of the GNU General Public 10# License. See the file "COPYING" in the main directory of this archive 11# for more details. 12# 13# Copyright (C) 1994 by Hamish Macdonald 14# Copyright (C) 2002,2011 Greg Ungerer <gerg@snapgear.com> 15# 16 17KBUILD_DEFCONFIG := multi_defconfig 18 19ifdef cross_compiling 20 ifeq ($(CROSS_COMPILE),) 21 CROSS_COMPILE := $(call cc-cross-prefix, \ 22 m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-) 23 endif 24endif 25 26# 27# Enable processor type. Ordering of these is important - we want to 28# use the minimum processor type of the range we support. The logic 29# for 680x0 will only allow use of the -m68060 or -m68040 if no other 30# 680x0 type is specified - and no option is specified for 68030 or 31# 68020. The other m68k/ColdFire types always specify some type of 32# compiler cpu type flag. 33# 34ifndef CONFIG_M68040 35cpuflags-$(CONFIG_M68060) = -m68060 36endif 37ifndef CONFIG_M68060 38cpuflags-$(CONFIG_M68040) = -m68040 39endif 40cpuflags-$(CONFIG_M68030) = 41cpuflags-$(CONFIG_M68020) = 42cpuflags-$(CONFIG_M68000) = -m68000 43cpuflags-$(CONFIG_M5441x) = $(call cc-option,-mcpu=54455,-mcfv4e) 44cpuflags-$(CONFIG_M54xx) = $(call cc-option,-mcpu=5475,-m5200) 45cpuflags-$(CONFIG_M5407) = $(call cc-option,-mcpu=5407,-m5200) 46cpuflags-$(CONFIG_M532x) = $(call cc-option,-mcpu=532x,-m5307) 47cpuflags-$(CONFIG_M537x) = $(call cc-option,-mcpu=537x,-m5307) 48cpuflags-$(CONFIG_M5307) = $(call cc-option,-mcpu=5307,-m5200) 49cpuflags-$(CONFIG_M528x) = $(call cc-option,-mcpu=528x,-m5307) 50cpuflags-$(CONFIG_M5275) = $(call cc-option,-mcpu=5275,-m5307) 51cpuflags-$(CONFIG_M5272) = $(call cc-option,-mcpu=5272,-m5307) 52cpuflags-$(CONFIG_M5271) = $(call cc-option,-mcpu=5271,-m5307) 53cpuflags-$(CONFIG_M523x) = $(call cc-option,-mcpu=523x,-m5307) 54cpuflags-$(CONFIG_M525x) = $(call cc-option,-mcpu=5253,-m5200) 55cpuflags-$(CONFIG_M5249) = $(call cc-option,-mcpu=5249,-m5200) 56cpuflags-$(CONFIG_M520x) = $(call cc-option,-mcpu=5208,-m5200) 57cpuflags-$(CONFIG_M5206e) = $(call cc-option,-mcpu=5206e,-m5200) 58cpuflags-$(CONFIG_M5206) = $(call cc-option,-mcpu=5206,-m5200) 59 60# Evaluate tune cc-option calls now 61cpuflags-y := $(cpuflags-y) 62 63KBUILD_AFLAGS += $(cpuflags-y) 64KBUILD_CFLAGS += $(cpuflags-y) 65 66KBUILD_CFLAGS += -pipe -ffreestanding 67 68ifdef CONFIG_MMU 69# without -fno-strength-reduce the 53c7xx.c driver fails ;-( 70KBUILD_CFLAGS += -fno-strength-reduce -ffixed-a2 71else 72# we can use a m68k-linux-gcc toolchain with these in place 73KBUILD_CPPFLAGS += -DUTS_SYSNAME=\"uClinux\" 74KBUILD_CPPFLAGS += -D__uClinux__ 75endif 76 77KBUILD_LDFLAGS := -m m68kelf 78 79ifdef CONFIG_SUN3 80LDFLAGS_vmlinux = -N 81endif 82 83CHECKFLAGS += -D__mc68000__ 84 85 86ifdef CONFIG_KGDB 87# If configured for kgdb support, include debugging infos and keep the 88# frame pointer 89KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g 90endif 91 92# 93# Select the assembler head startup code. Order is important. The default 94# head code is first, processor specific selections can override it after. 95# 96head-y := arch/m68k/kernel/head.o 97head-$(CONFIG_SUN3) := arch/m68k/kernel/sun3-head.o 98head-$(CONFIG_M68000) := arch/m68k/68000/head.o 99head-$(CONFIG_COLDFIRE) := arch/m68k/coldfire/head.o 100 101core-y += arch/m68k/ 102libs-y += arch/m68k/lib/ 103 104 105all: zImage 106 107lilo: vmlinux 108 if [ -f $(INSTALL_PATH)/vmlinux ]; then mv -f $(INSTALL_PATH)/vmlinux $(INSTALL_PATH)/vmlinux.old; fi 109 if [ -f $(INSTALL_PATH)/System.map ]; then mv -f $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi 110 cat vmlinux > $(INSTALL_PATH)/vmlinux 111 cp System.map $(INSTALL_PATH)/System.map 112 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi 113 114zImage compressed: vmlinux.gz 115 116vmlinux.gz: vmlinux 117 118ifndef CONFIG_KGDB 119 cp vmlinux vmlinux.tmp 120 $(STRIP) vmlinux.tmp 121 $(KGZIP) -9c vmlinux.tmp >vmlinux.gz 122 rm vmlinux.tmp 123else 124 $(KGZIP) -9c vmlinux >vmlinux.gz 125endif 126 127bzImage: vmlinux.bz2 128 129vmlinux.bz2: vmlinux 130 131ifndef CONFIG_KGDB 132 cp vmlinux vmlinux.tmp 133 $(STRIP) vmlinux.tmp 134 $(KBZIP2) -1c vmlinux.tmp >vmlinux.bz2 135 rm vmlinux.tmp 136else 137 $(KBZIP2) -1c vmlinux >vmlinux.bz2 138endif 139 140CLEAN_FILES += vmlinux.gz vmlinux.bz2 141 142archheaders: 143 $(Q)$(MAKE) $(build)=arch/m68k/kernel/syscalls all 144 145install: 146 sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)" 147