1 # SPDX-License-Identifier: GPL-2.0 <<
2 # 1 #
3 # sparc/Makefile !! 2 # alpha/Makefile
4 # 3 #
5 # Makefile for the architecture dependent flag !! 4 # This file is subject to the terms and conditions of the GNU General Public
6 # Sparc and sparc64. !! 5 # License. See the file "COPYING" in the main directory of this archive
>> 6 # for more details.
7 # 7 #
8 # Copyright (C) 1994,1996,1998 David S. Miller !! 8 # Copyright (C) 1994 by Linus Torvalds
9 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.l !! 9 #
>> 10
>> 11 NM := $(NM) -B
>> 12
>> 13 LDFLAGS_vmlinux := -static -N #-relax
>> 14 cflags-y := -pipe -mno-fp-regs -ffixed-8
>> 15
>> 16 # Determine if we can use the BWX instructions with GAS.
>> 17 old_gas := $(shell if $(AS) --version 2>&1 | grep 'version 2.7' > /dev/null; then echo y; else echo n; fi)
10 18
11 # We are not yet configured - so test on arch !! 19 ifeq ($(old_gas),y)
12 ifeq ($(ARCH),sparc64) !! 20 $(error The assembler '$(AS)' does not support the BWX instruction)
13 KBUILD_DEFCONFIG := sparc64_defconfig <<
14 else <<
15 KBUILD_DEFCONFIG := sparc32_defconfig <<
16 endif 21 endif
17 22
18 ifeq ($(CONFIG_SPARC32),y) !! 23 # Determine if GCC understands the -mcpu= option.
19 ##### !! 24 have_mcpu := $(shell if $(CC) -mcpu=ev5 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi)
20 # sparc32 <<
21 # <<
22 25
23 CHECKFLAGS += -D__sparc__ !! 26 have_mcpu_pca56 := $(shell if $(CC) -mcpu=pca56 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi)
24 KBUILD_LDFLAGS := -m elf32_sparc <<
25 export BITS := 32 <<
26 UTS_MACHINE := sparc <<
27 <<
28 # We are adding -Wa,-Av8 to KBUILD_CFLAGS to d <<
29 # versions of gcc. Some gcc versions won't pa <<
30 # give -mcpu=v8. This silently worked with ol <<
31 # does not any more. <<
32 KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu <<
33 KBUILD_CFLAGS += -Wa,-Av8 <<
34 <<
35 KBUILD_AFLAGS += -m32 -Wa,-Av8 <<
36 <<
37 else <<
38 ##### <<
39 # sparc64 <<
40 # <<
41 27
42 CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D !! 28 have_mcpu_ev6 := $(shell if $(CC) -mcpu=ev6 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi)
43 KBUILD_LDFLAGS := -m elf64_sparc <<
44 export BITS := 64 <<
45 UTS_MACHINE := sparc64 <<
46 <<
47 KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ult <<
48 KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall- <<
49 KBUILD_CFLAGS += -Wa,--undeclared-regs <<
50 KBUILD_CFLAGS += $(call cc-option,-mtune=ultra <<
51 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--u <<
52 29
53 ifeq ($(CONFIG_MCOUNT),y) !! 30 have_mcpu_ev67 := $(shell if $(CC) -mcpu=ev67 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi)
54 KBUILD_CFLAGS += -pg <<
55 endif <<
56 31
>> 32 have_msmall_data := $(shell if $(CC) -msmall-data -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi)
>> 33
>> 34 cflags-$(have_msmall_data) += -msmall-data
>> 35
>> 36 # Turn on the proper cpu optimizations.
>> 37 ifeq ($(have_mcpu),y)
>> 38 mcpu_done := n
>> 39 # If GENERIC, make sure to turn off any instruction set extensions that
>> 40 # the host compiler might have on by default. Given that EV4 and EV5
>> 41 # have the same instruction set, prefer EV5 because an EV5 schedule is
>> 42 # more likely to keep an EV4 processor busy than vice-versa.
>> 43 ifeq ($(CONFIG_ALPHA_GENERIC),y)
>> 44 mcpu := ev5
>> 45 mcpu_done := y
>> 46 endif
>> 47 ifeq ($(mcpu_done)$(CONFIG_ALPHA_SX164)$(have_mcpu_pca56),nyy)
>> 48 mcpu := pca56
>> 49 mcpu_done := y
>> 50 endif
>> 51 ifeq ($(mcpu_done)$(CONFIG_ALPHA_POLARIS)$(have_mcpu_pca56),nyy)
>> 52 mcpu := pca56
>> 53 mcpu_done := y
>> 54 endif
>> 55 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV4),ny)
>> 56 mcpu := ev4
>> 57 mcpu_done := y
>> 58 endif
>> 59 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV56),ny)
>> 60 mcpu := ev56
>> 61 mcpu_done := y
>> 62 endif
>> 63 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV5),ny)
>> 64 mcpu := ev5
>> 65 mcpu_done := y
>> 66 endif
>> 67 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV67)$(have_mcpu_ev67),nyy)
>> 68 mcpu := ev67
>> 69 mcpu_done := y
>> 70 endif
>> 71 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV6),ny)
>> 72 ifeq ($(have_mcpu_ev6),y)
>> 73 mcpu := ev6
>> 74 else
>> 75 ifeq ($(have_mcpu_pca56),y)
>> 76 mcpu := pca56
>> 77 else
>> 78 mcpu=ev56
>> 79 endif
>> 80 endif
>> 81 mcpu_done := y
>> 82 endif
>> 83 cflags-$(mcpu_done) += -mcpu=$(mcpu)
57 endif 84 endif
58 85
59 libs-y += arch/sparc/prom/ <<
60 libs-y += arch/sparc/lib/ <<
61 86
62 drivers-$(CONFIG_PM) += arch/sparc/power/ !! 87 # For TSUNAMI, we must have the assembler not emulate our instructions.
63 drivers-$(CONFIG_VIDEO) += arch/sparc/video/ !! 88 # The same is true for IRONGATE, POLARIS, PYXIS.
>> 89 # BWX is most important, but we don't really want any emulation ever.
>> 90 CFLAGS += $(cflags-y) -Wa,-mev6
>> 91
>> 92 head-y := arch/alpha/kernel/head.o
>> 93
>> 94 core-y += arch/alpha/kernel/ arch/alpha/mm/
>> 95 core-$(CONFIG_MATHEMU) += arch/alpha/math-emu/
>> 96 drivers-$(CONFIG_OPROFILE) += arch/alpha/oprofile/
>> 97 libs-y += arch/alpha/lib/
>> 98
>> 99 # export what is needed by arch/alpha/boot/Makefile
>> 100 LIBS_Y := $(patsubst %/, %/lib.a, $(libs-y))
>> 101 export LIBS_Y
>> 102
>> 103 boot := arch/alpha/boot
>> 104
>> 105 #Default target when executing make with no arguments
>> 106 all boot: $(boot)/vmlinux.gz
>> 107
>> 108 $(boot)/vmlinux.gz: vmlinux
>> 109 $(Q)$(MAKE) -f scripts/Makefile.build obj=$(boot) $@
64 110
65 boot := arch/sparc/boot !! 111 bootimage bootpfile bootpzfile: vmlinux
>> 112 $(Q)$(MAKE) -f scripts/Makefile.build obj=$(boot) $(boot)/$@
66 113
67 # Default target <<
68 all: zImage <<
69 114
70 image zImage uImage tftpboot.img vmlinux.aout: !! 115 prepare: include/asm-$(ARCH)/asm_offsets.h
71 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ <<
72 116
73 install: !! 117 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
74 $(call cmd,install) !! 118 include/config/MARKER
75 119
76 archheaders: !! 120 include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
77 $(Q)$(MAKE) $(build)=arch/sparc/kernel !! 121 $(call filechk,gen-asm-offsets)
78 122
79 vdso-install-$(CONFIG_SPARC64) += arch/sparc/ !! 123 archclean:
80 vdso-install-$(CONFIG_COMPAT) += arch/sparc/ !! 124 $(Q)$(MAKE) -f scripts/Makefile.clean obj=$(boot)
81 125
82 # This is the image used for packaging !! 126 CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h
83 KBUILD_IMAGE := $(boot)/zImage <<
84 127
85 # Don't use tabs in echo arguments. <<
86 define archhelp 128 define archhelp
87 echo '* vmlinux - standard SPARC kerne !! 129 echo '* boot - Compressed kernel image (arch/alpha/boot/vmlinux.gz)'
88 echo ' image - kernel image ($(boot !! 130 echo ' bootimage - SRM bootable image (arch/alpha/boot/bootimage)'
89 echo '* zImage - stripped/compressed !! 131 echo ' bootpfile - BOOTP bootable image (arch/alpha/boot/bootpfile)'
90 echo ' uImage - U-Boot SPARC32 Image !! 132 echo ' bootpzfile - compressed kernel BOOTP image (arch/alpha/boot/bootpzfile)'
91 echo ' vmlinux.aout - a.out kernel for SPA <<
92 echo ' tftpboot.img - image prepared for t <<
93 endef 133 endef
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