1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 # 2 #
3 # sparc/Makefile 3 # sparc/Makefile
4 # 4 #
5 # Makefile for the architecture dependent flag 5 # Makefile for the architecture dependent flags and dependencies on the
6 # Sparc and sparc64. 6 # Sparc and sparc64.
7 # 7 #
8 # Copyright (C) 1994,1996,1998 David S. Miller 8 # Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu)
9 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.l 9 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
10 10
11 # We are not yet configured - so test on arch 11 # We are not yet configured - so test on arch
12 ifeq ($(ARCH),sparc64) 12 ifeq ($(ARCH),sparc64)
13 KBUILD_DEFCONFIG := sparc64_defconfig 13 KBUILD_DEFCONFIG := sparc64_defconfig
14 else 14 else
15 KBUILD_DEFCONFIG := sparc32_defconfig 15 KBUILD_DEFCONFIG := sparc32_defconfig
16 endif 16 endif
17 17
18 ifeq ($(CONFIG_SPARC32),y) 18 ifeq ($(CONFIG_SPARC32),y)
19 ##### 19 #####
20 # sparc32 20 # sparc32
21 # 21 #
22 22
23 CHECKFLAGS += -D__sparc__ 23 CHECKFLAGS += -D__sparc__
24 KBUILD_LDFLAGS := -m elf32_sparc 24 KBUILD_LDFLAGS := -m elf32_sparc
25 export BITS := 32 25 export BITS := 32
26 UTS_MACHINE := sparc 26 UTS_MACHINE := sparc
27 27
28 # We are adding -Wa,-Av8 to KBUILD_CFLAGS to d 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 pa 29 # versions of gcc. Some gcc versions won't pass -Av8 to binutils when you
30 # give -mcpu=v8. This silently worked with ol 30 # give -mcpu=v8. This silently worked with older bintutils versions but
31 # does not any more. 31 # does not any more.
32 KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu 32 KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
33 KBUILD_CFLAGS += -Wa,-Av8 33 KBUILD_CFLAGS += -Wa,-Av8
34 34
35 KBUILD_AFLAGS += -m32 -Wa,-Av8 35 KBUILD_AFLAGS += -m32 -Wa,-Av8
36 36
37 else 37 else
38 ##### 38 #####
39 # sparc64 39 # sparc64
40 # 40 #
41 41
42 CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D 42 CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__
43 KBUILD_LDFLAGS := -m elf64_sparc 43 KBUILD_LDFLAGS := -m elf64_sparc
44 export BITS := 64 44 export BITS := 64
45 UTS_MACHINE := sparc64 45 UTS_MACHINE := sparc64
46 46
47 KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ult 47 KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow
48 KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall- 48 KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
49 KBUILD_CFLAGS += -Wa,--undeclared-regs 49 KBUILD_CFLAGS += -Wa,--undeclared-regs
50 KBUILD_CFLAGS += $(call cc-option,-mtune=ultra 50 KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
51 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--u 51 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
52 52
53 ifeq ($(CONFIG_MCOUNT),y) 53 ifeq ($(CONFIG_MCOUNT),y)
54 KBUILD_CFLAGS += -pg 54 KBUILD_CFLAGS += -pg
55 endif 55 endif
56 56
57 endif 57 endif
58 58
>> 59 head-y := arch/sparc/kernel/head_$(BITS).o
>> 60
59 libs-y += arch/sparc/prom/ 61 libs-y += arch/sparc/prom/
60 libs-y += arch/sparc/lib/ 62 libs-y += arch/sparc/lib/
61 63
62 drivers-$(CONFIG_PM) += arch/sparc/power/ !! 64 drivers-$(CONFIG_PM) += arch/sparc/power/
63 drivers-$(CONFIG_VIDEO) += arch/sparc/video/ <<
64 65
65 boot := arch/sparc/boot 66 boot := arch/sparc/boot
66 67
67 # Default target 68 # Default target
68 all: zImage 69 all: zImage
69 70
70 image zImage uImage tftpboot.img vmlinux.aout: 71 image zImage uImage tftpboot.img vmlinux.aout: vmlinux
71 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ 72 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
72 73
73 install: 74 install:
74 $(call cmd,install) !! 75 $(Q)$(MAKE) $(build)=$(boot) $@
>> 76
>> 77 archclean:
>> 78 $(Q)$(MAKE) $(clean)=$(boot)
75 79
76 archheaders: 80 archheaders:
77 $(Q)$(MAKE) $(build)=arch/sparc/kernel 81 $(Q)$(MAKE) $(build)=arch/sparc/kernel/syscalls all
78 82
79 vdso-install-$(CONFIG_SPARC64) += arch/sparc/ !! 83 PHONY += vdso_install
80 vdso-install-$(CONFIG_COMPAT) += arch/sparc/ !! 84 vdso_install:
>> 85 $(Q)$(MAKE) $(build)=arch/sparc/vdso $@
81 86
82 # This is the image used for packaging 87 # This is the image used for packaging
83 KBUILD_IMAGE := $(boot)/zImage 88 KBUILD_IMAGE := $(boot)/zImage
84 89
85 # Don't use tabs in echo arguments. 90 # Don't use tabs in echo arguments.
>> 91 ifeq ($(ARCH),sparc)
86 define archhelp 92 define archhelp
87 echo '* vmlinux - standard SPARC kerne !! 93 echo '* image - kernel image ($(boot)/image)'
88 echo ' image - kernel image ($(boot !! 94 echo '* zImage - stripped kernel image ($(boot)/zImage)'
89 echo '* zImage - stripped/compressed <<
90 echo ' uImage - U-Boot SPARC32 Image 95 echo ' uImage - U-Boot SPARC32 Image (only for LEON)'
91 echo ' vmlinux.aout - a.out kernel for SPA <<
92 echo ' tftpboot.img - image prepared for t 96 echo ' tftpboot.img - image prepared for tftp'
93 endef 97 endef
>> 98 else
>> 99 define archhelp
>> 100 echo '* vmlinux - standard sparc64 kernel'
>> 101 echo '* zImage - stripped and compressed sparc64 kernel ($(boot)/zImage)'
>> 102 echo ' vmlinux.aout - a.out kernel for sparc64'
>> 103 echo ' tftpboot.img - image prepared for tftp'
>> 104 endef
>> 105 endif
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