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 11KBUILD_DEFCONFIG := defconfig 12 13NM := $(NM) -B 14 15LDFLAGS_vmlinux := -static -N #-relax 16CHECKFLAGS += -D__alpha__ 17cflags-y := -pipe -mno-fp-regs -ffixed-8 18cflags-y += $(call cc-option, -fno-jump-tables) 19 20cpuflags-$(CONFIG_ALPHA_EV4) := -mcpu=ev4 21cpuflags-$(CONFIG_ALPHA_EV5) := -mcpu=ev5 22cpuflags-$(CONFIG_ALPHA_EV56) := -mcpu=ev56 23cpuflags-$(CONFIG_ALPHA_POLARIS) := -mcpu=pca56 24cpuflags-$(CONFIG_ALPHA_SX164) := -mcpu=pca56 25cpuflags-$(CONFIG_ALPHA_EV6) := -mcpu=ev6 26cpuflags-$(CONFIG_ALPHA_EV67) := -mcpu=ev67 27# If GENERIC, make sure to turn off any instruction set extensions that 28# the host compiler might have on by default. Given that EV4 and EV5 29# have the same instruction set, prefer EV5 because an EV5 schedule is 30# more likely to keep an EV4 processor busy than vice-versa. 31cpuflags-$(CONFIG_ALPHA_GENERIC) := -mcpu=ev5 32 33cflags-y += $(cpuflags-y) 34 35 36# For TSUNAMI, we must have the assembler not emulate our instructions. 37# The same is true for IRONGATE, POLARIS, PYXIS. 38# BWX is most important, but we don't really want any emulation ever. 39KBUILD_CFLAGS += $(cflags-y) -Wa,-mev6 40 41head-y := arch/alpha/kernel/head.o 42 43core-y += arch/alpha/kernel/ arch/alpha/mm/ 44core-$(CONFIG_MATHEMU) += arch/alpha/math-emu/ 45drivers-$(CONFIG_OPROFILE) += arch/alpha/oprofile/ 46libs-y += arch/alpha/lib/ 47 48# export what is needed by arch/alpha/boot/Makefile 49LIBS_Y := $(patsubst %/, %/lib.a, $(libs-y)) 50export LIBS_Y 51 52boot := arch/alpha/boot 53 54#Default target when executing make with no arguments 55all boot: $(boot)/vmlinux.gz 56 57$(boot)/vmlinux.gz: vmlinux 58 $(Q)$(MAKE) $(build)=$(boot) $@ 59 60bootimage bootpfile bootpzfile: vmlinux 61 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 62 63archclean: 64 $(Q)$(MAKE) $(clean)=$(boot) 65 66archheaders: 67 $(Q)$(MAKE) $(build)=arch/alpha/kernel/syscalls all 68 69define archhelp 70 echo '* boot - Compressed kernel image (arch/alpha/boot/vmlinux.gz)' 71 echo ' bootimage - SRM bootable image (arch/alpha/boot/bootimage)' 72 echo ' bootpfile - BOOTP bootable image (arch/alpha/boot/bootpfile)' 73 echo ' bootpzfile - compressed kernel BOOTP image (arch/alpha/boot/bootpzfile)' 74endef 75