Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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_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
41libs-y += arch/alpha/lib/
42
43# export what is needed by arch/alpha/boot/Makefile
44LIBS_Y := $(patsubst %/, %/lib.a, $(libs-y))
45export LIBS_Y
46
47boot := arch/alpha/boot
48
49#Default target when executing make with no arguments
50all boot: $(boot)/vmlinux.gz
51
52$(boot)/vmlinux.gz: vmlinux
53 $(Q)$(MAKE) $(build)=$(boot) $@
54
55bootimage bootpfile bootpzfile: vmlinux
56 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
57
58archheaders:
59 $(Q)$(MAKE) $(build)=arch/alpha/kernel/syscalls all
60
61define archhelp
62 echo '* boot - Compressed kernel image (arch/alpha/boot/vmlinux.gz)'
63 echo ' bootimage - SRM bootable image (arch/alpha/boot/bootimage)'
64 echo ' bootpfile - BOOTP bootable image (arch/alpha/boot/bootpfile)'
65 echo ' bootpzfile - compressed kernel BOOTP image (arch/alpha/boot/bootpzfile)'
66endef