1# 2# alpha/Makefile 3# 4# This file is subject to the terms and conditions of the GNU General Public 5# License. See the file "COPYING" in the main directory of this archive 6# for more details. 7# 8# Copyright (C) 1994 by Linus Torvalds 9# 10 11NM := $(NM) -B 12 13LDFLAGS_vmlinux := -static -N #-relax 14CHECKFLAGS += -D__alpha__ -m64 15cflags-y := -pipe -mno-fp-regs -ffixed-8 16cflags-y += $(call cc-option, -fno-jump-tables) 17 18cpuflags-$(CONFIG_ALPHA_EV4) := -mcpu=ev4 19cpuflags-$(CONFIG_ALPHA_EV5) := -mcpu=ev5 20cpuflags-$(CONFIG_ALPHA_EV56) := -mcpu=ev56 21cpuflags-$(CONFIG_ALPHA_POLARIS) := -mcpu=pca56 22cpuflags-$(CONFIG_ALPHA_SX164) := -mcpu=pca56 23cpuflags-$(CONFIG_ALPHA_EV6) := -mcpu=ev6 24cpuflags-$(CONFIG_ALPHA_EV67) := -mcpu=ev67 25# If GENERIC, make sure to turn off any instruction set extensions that 26# the host compiler might have on by default. Given that EV4 and EV5 27# have the same instruction set, prefer EV5 because an EV5 schedule is 28# more likely to keep an EV4 processor busy than vice-versa. 29cpuflags-$(CONFIG_ALPHA_GENERIC) := -mcpu=ev5 30 31cflags-y += $(cpuflags-y) 32 33 34# For TSUNAMI, we must have the assembler not emulate our instructions. 35# The same is true for IRONGATE, POLARIS, PYXIS. 36# BWX is most important, but we don't really want any emulation ever. 37KBUILD_CFLAGS += $(cflags-y) -Wa,-mev6 38 39head-y := arch/alpha/kernel/head.o 40 41core-y += arch/alpha/kernel/ arch/alpha/mm/ 42core-$(CONFIG_MATHEMU) += arch/alpha/math-emu/ 43drivers-$(CONFIG_OPROFILE) += arch/alpha/oprofile/ 44libs-y += arch/alpha/lib/ 45 46# export what is needed by arch/alpha/boot/Makefile 47LIBS_Y := $(patsubst %/, %/lib.a, $(libs-y)) 48export LIBS_Y 49 50boot := arch/alpha/boot 51 52#Default target when executing make with no arguments 53all boot: $(boot)/vmlinux.gz 54 55$(boot)/vmlinux.gz: vmlinux 56 $(Q)$(MAKE) $(build)=$(boot) $@ 57 58bootimage bootpfile bootpzfile: vmlinux 59 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 60 61archclean: 62 $(Q)$(MAKE) $(clean)=$(boot) 63 64define archhelp 65 echo '* boot - Compressed kernel image (arch/alpha/boot/vmlinux.gz)' 66 echo ' bootimage - SRM bootable image (arch/alpha/boot/bootimage)' 67 echo ' bootpfile - BOOTP bootable image (arch/alpha/boot/bootpfile)' 68 echo ' bootpzfile - compressed kernel BOOTP image (arch/alpha/boot/bootpzfile)' 69endef 70