Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0
2#
3# sparc/Makefile
4#
5# Makefile for the architecture dependent flags and dependencies on the
6# Sparc and sparc64.
7#
8# Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu)
9# Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
10
11# We are not yet configured - so test on arch
12ifeq ($(ARCH),sparc64)
13 KBUILD_DEFCONFIG := sparc64_defconfig
14else
15 KBUILD_DEFCONFIG := sparc32_defconfig
16endif
17
18ifeq ($(CONFIG_SPARC32),y)
19#####
20# sparc32
21#
22
23CHECKFLAGS += -D__sparc__
24KBUILD_LDFLAGS := -m elf32_sparc
25export BITS := 32
26UTS_MACHINE := sparc
27
28# We are adding -Wa,-Av8 to KBUILD_CFLAGS to deal with a specs bug in some
29# versions of gcc. Some gcc versions won't pass -Av8 to binutils when you
30# give -mcpu=v8. This silently worked with older bintutils versions but
31# does not any more.
32KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
33KBUILD_CFLAGS += -Wa,-Av8
34
35KBUILD_AFLAGS += -m32 -Wa,-Av8
36
37else
38#####
39# sparc64
40#
41
42CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__
43KBUILD_LDFLAGS := -m elf64_sparc
44export BITS := 64
45UTS_MACHINE := sparc64
46
47KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow
48KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
49KBUILD_CFLAGS += -Wa,--undeclared-regs
50KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
51KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
52
53ifeq ($(CONFIG_MCOUNT),y)
54 KBUILD_CFLAGS += -pg
55endif
56
57endif
58
59head-y := arch/sparc/kernel/head_$(BITS).o
60
61libs-y += arch/sparc/prom/
62libs-y += arch/sparc/lib/
63
64drivers-$(CONFIG_PM) += arch/sparc/power/
65
66boot := arch/sparc/boot
67
68# Default target
69all: zImage
70
71image zImage uImage tftpboot.img vmlinux.aout: vmlinux
72 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
73
74install:
75 $(call cmd,install)
76
77archheaders:
78 $(Q)$(MAKE) $(build)=arch/sparc/kernel/syscalls all
79
80PHONY += vdso_install
81vdso_install:
82 $(Q)$(MAKE) $(build)=arch/sparc/vdso $@
83
84# This is the image used for packaging
85KBUILD_IMAGE := $(boot)/zImage
86
87# Don't use tabs in echo arguments.
88ifeq ($(ARCH),sparc)
89define archhelp
90 echo '* image - kernel image ($(boot)/image)'
91 echo '* zImage - stripped kernel image ($(boot)/zImage)'
92 echo ' uImage - U-Boot SPARC32 Image (only for LEON)'
93 echo ' tftpboot.img - image prepared for tftp'
94endef
95else
96define archhelp
97 echo '* vmlinux - standard sparc64 kernel'
98 echo '* zImage - stripped and compressed sparc64 kernel ($(boot)/zImage)'
99 echo ' vmlinux.aout - a.out kernel for sparc64'
100 echo ' tftpboot.img - image prepared for tftp'
101endef
102endif