1 # SPDX-License-Identifier: GPL-2.0 <<
2 # 1 #
3 # sparc/Makefile 2 # sparc/Makefile
4 # 3 #
5 # Makefile for the architecture dependent flag 4 # Makefile for the architecture dependent flags and dependencies on the
6 # Sparc and sparc64. 5 # Sparc and sparc64.
7 # 6 #
8 # Copyright (C) 1994,1996,1998 David S. Miller 7 # Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu)
9 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.l 8 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
10 9
11 # We are not yet configured - so test on arch 10 # We are not yet configured - so test on arch
12 ifeq ($(ARCH),sparc64) !! 11 ifeq ($(ARCH),sparc)
13 KBUILD_DEFCONFIG := sparc64_defconfig <<
14 else <<
15 KBUILD_DEFCONFIG := sparc32_defconfig 12 KBUILD_DEFCONFIG := sparc32_defconfig
>> 13 else
>> 14 KBUILD_DEFCONFIG := sparc64_defconfig
16 endif 15 endif
17 16
18 ifeq ($(CONFIG_SPARC32),y) 17 ifeq ($(CONFIG_SPARC32),y)
19 ##### 18 #####
20 # sparc32 19 # sparc32
21 # 20 #
22 21
23 CHECKFLAGS += -D__sparc__ 22 CHECKFLAGS += -D__sparc__
24 KBUILD_LDFLAGS := -m elf32_sparc !! 23 LDFLAGS := -m elf32_sparc
25 export BITS := 32 24 export BITS := 32
26 UTS_MACHINE := sparc 25 UTS_MACHINE := sparc
27 26
28 # We are adding -Wa,-Av8 to KBUILD_CFLAGS to d 27 # 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 pa 28 # versions of gcc. Some gcc versions won't pass -Av8 to binutils when you
30 # give -mcpu=v8. This silently worked with ol 29 # give -mcpu=v8. This silently worked with older bintutils versions but
31 # does not any more. 30 # does not any more.
32 KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu 31 KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
33 KBUILD_CFLAGS += -Wa,-Av8 32 KBUILD_CFLAGS += -Wa,-Av8
34 33
35 KBUILD_AFLAGS += -m32 -Wa,-Av8 34 KBUILD_AFLAGS += -m32 -Wa,-Av8
36 35
37 else 36 else
38 ##### 37 #####
39 # sparc64 38 # sparc64
40 # 39 #
41 40
42 CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D !! 41 CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__ -m64
43 KBUILD_LDFLAGS := -m elf64_sparc !! 42 LDFLAGS := -m elf64_sparc
44 export BITS := 64 43 export BITS := 64
45 UTS_MACHINE := sparc64 44 UTS_MACHINE := sparc64
46 45
47 KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ult 46 KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow
48 KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall- 47 KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
49 KBUILD_CFLAGS += -Wa,--undeclared-regs 48 KBUILD_CFLAGS += -Wa,--undeclared-regs
50 KBUILD_CFLAGS += $(call cc-option,-mtune=ultra 49 KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
51 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--u 50 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
52 51
53 ifeq ($(CONFIG_MCOUNT),y) 52 ifeq ($(CONFIG_MCOUNT),y)
54 KBUILD_CFLAGS += -pg 53 KBUILD_CFLAGS += -pg
55 endif 54 endif
56 55
57 endif 56 endif
58 57
>> 58 head-y := arch/sparc/kernel/head_$(BITS).o
>> 59
>> 60 # See arch/sparc/Kbuild for the core part of the kernel
>> 61 core-y += arch/sparc/
>> 62
59 libs-y += arch/sparc/prom/ 63 libs-y += arch/sparc/prom/
60 libs-y += arch/sparc/lib/ 64 libs-y += arch/sparc/lib/
61 65
62 drivers-$(CONFIG_PM) += arch/sparc/power/ !! 66 drivers-$(CONFIG_PM) += arch/sparc/power/
63 drivers-$(CONFIG_VIDEO) += arch/sparc/video/ !! 67 drivers-$(CONFIG_OPROFILE) += arch/sparc/oprofile/
64 68
65 boot := arch/sparc/boot 69 boot := arch/sparc/boot
66 70
67 # Default target 71 # Default target
68 all: zImage 72 all: zImage
69 73
70 image zImage uImage tftpboot.img vmlinux.aout: 74 image zImage uImage tftpboot.img vmlinux.aout: vmlinux
71 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ 75 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
72 76
73 install: 77 install:
74 $(call cmd,install) !! 78 $(Q)$(MAKE) $(build)=$(boot) $@
75 79
76 archheaders: !! 80 archclean:
77 $(Q)$(MAKE) $(build)=arch/sparc/kernel !! 81 $(Q)$(MAKE) $(clean)=$(boot)
78 <<
79 vdso-install-$(CONFIG_SPARC64) += arch/sparc/ <<
80 vdso-install-$(CONFIG_COMPAT) += arch/sparc/ <<
81 82
82 # This is the image used for packaging 83 # This is the image used for packaging
83 KBUILD_IMAGE := $(boot)/zImage 84 KBUILD_IMAGE := $(boot)/zImage
84 85
85 # Don't use tabs in echo arguments. 86 # Don't use tabs in echo arguments.
>> 87 ifeq ($(ARCH),sparc)
86 define archhelp 88 define archhelp
87 echo '* vmlinux - standard SPARC kerne !! 89 echo '* image - kernel image ($(boot)/image)'
88 echo ' image - kernel image ($(boot !! 90 echo '* zImage - stripped kernel image ($(boot)/zImage)'
89 echo '* zImage - stripped/compressed <<
90 echo ' uImage - U-Boot SPARC32 Image 91 echo ' uImage - U-Boot SPARC32 Image (only for LEON)'
91 echo ' vmlinux.aout - a.out kernel for SPA <<
92 echo ' tftpboot.img - image prepared for t 92 echo ' tftpboot.img - image prepared for tftp'
93 endef 93 endef
>> 94 else
>> 95 define archhelp
>> 96 echo '* vmlinux - standard sparc64 kernel'
>> 97 echo '* zImage - stripped and compressed sparc64 kernel ($(boot)/zImage)'
>> 98 echo ' vmlinux.aout - a.out kernel for sparc64'
>> 99 echo ' tftpboot.img - image prepared for tftp'
>> 100 endef
>> 101 endif
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