xref: /linux/arch/alpha/Makefile (revision 24168c5e6dfbdd5b414f048f47f75d64533296ca)
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__
15cflags-y	:= -pipe -mno-fp-regs -ffixed-8
16cflags-y	+= $(call cc-option, -fno-jump-tables)
17
18cpuflags-$(CONFIG_ALPHA_EV56)		:= -mcpu=ev56
19cpuflags-$(CONFIG_ALPHA_POLARIS)	:= -mcpu=pca56
20cpuflags-$(CONFIG_ALPHA_SX164)		:= -mcpu=pca56
21cpuflags-$(CONFIG_ALPHA_EV6)		:= -mcpu=ev6
22cpuflags-$(CONFIG_ALPHA_EV67)		:= -mcpu=ev67
23# If GENERIC, make sure to turn off any instruction set extensions that
24# the host compiler might have on by default.
25cpuflags-$(CONFIG_ALPHA_GENERIC)	:= -mcpu=ev56 -mtune=ev6
26
27cflags-y				+= $(cpuflags-y)
28
29
30# For TSUNAMI, we must have the assembler not emulate our instructions.
31# The same is true for IRONGATE, POLARIS, PYXIS.
32# BWX is most important, but we don't really want any emulation ever.
33KBUILD_CFLAGS += $(cflags-y) -Wa,-mev6
34
35libs-y				+= arch/alpha/lib/
36
37# export what is needed by arch/alpha/boot/Makefile
38LIBS_Y := $(patsubst %/, %/lib.a, $(libs-y))
39export LIBS_Y
40
41boot := arch/alpha/boot
42
43#Default target when executing make with no arguments
44all boot: $(boot)/vmlinux.gz
45
46$(boot)/vmlinux.gz: vmlinux
47	$(Q)$(MAKE) $(build)=$(boot) $@
48
49bootimage bootpfile bootpzfile: vmlinux
50	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
51
52archheaders:
53	$(Q)$(MAKE) $(build)=arch/alpha/kernel/syscalls all
54
55define archhelp
56  echo '* boot		- Compressed kernel image (arch/alpha/boot/vmlinux.gz)'
57  echo '  bootimage	- SRM bootable image (arch/alpha/boot/bootimage)'
58  echo '  bootpfile	- BOOTP bootable image (arch/alpha/boot/bootpfile)'
59  echo '  bootpzfile	- compressed kernel BOOTP image (arch/alpha/boot/bootpzfile)'
60endef
61