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
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