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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
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
Adrian Bunkd9ff5f32007-10-16 01:26:33 -070015cflags-y := -pipe -mno-fp-regs -ffixed-8 -msmall-data
Ivan Kokshayskyede42692008-06-21 03:26:21 +040016cflags-y += $(call cc-option, -fno-jump-tables)
Linus Torvalds1da177e2005-04-16 15:20:36 -070017
Ivan Kokshaysky9548b202007-12-17 16:19:57 -080018cpuflags-$(CONFIG_ALPHA_EV4) := -mcpu=ev4
19cpuflags-$(CONFIG_ALPHA_EV5) := -mcpu=ev5
20cpuflags-$(CONFIG_ALPHA_EV56) := -mcpu=ev56
Adrian Bunkd9ff5f32007-10-16 01:26:33 -070021cpuflags-$(CONFIG_ALPHA_POLARIS) := -mcpu=pca56
22cpuflags-$(CONFIG_ALPHA_SX164) := -mcpu=pca56
Ivan Kokshaysky9548b202007-12-17 16:19:57 -080023cpuflags-$(CONFIG_ALPHA_EV6) := -mcpu=ev6
24cpuflags-$(CONFIG_ALPHA_EV67) := -mcpu=ev67
Adrian Bunkd9ff5f32007-10-16 01:26:33 -070025# 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070030
Adrian Bunkd9ff5f32007-10-16 01:26:33 -070031cflags-y += $(cpuflags-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -070032
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.
Sam Ravnborga0f97e02007-10-14 22:21:35 +020037KBUILD_CFLAGS += $(cflags-y) -Wa,-mev6
Linus Torvalds1da177e2005-04-16 15:20:36 -070038
39head-y := arch/alpha/kernel/head.o
40
41core-y += arch/alpha/kernel/ arch/alpha/mm/
42core-$(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
Linus Torvalds1da177e2005-04-16 15:20:36 -070061archclean:
62 $(Q)$(MAKE) $(clean)=$(boot)
63
Linus Torvalds1da177e2005-04-16 15:20:36 -070064define 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