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 #
>> 8 # Copyright (C) 1994 by Linus Torvalds
7 # 9 #
8 # Copyright (C) 1994,1996,1998 David S. Miller <<
9 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.l <<
10 10
11 # We are not yet configured - so test on arch !! 11 NM := $(NM) -B
12 ifeq ($(ARCH),sparc64) !! 12
13 KBUILD_DEFCONFIG := sparc64_defconfig !! 13 LINKFLAGS = -static -T arch/alpha/vmlinux.lds -N #-relax
14 else !! 14 CFLAGS := $(CFLAGS) -pipe -mno-fp-regs -ffixed-8
15 KBUILD_DEFCONFIG := sparc32_defconfig <<
16 endif <<
17 15
18 ifeq ($(CONFIG_SPARC32),y) !! 16 # Determine if we can use the BWX instructions with GAS.
19 ##### !! 17 old_gas := $(shell if $(AS) --version 2>&1 | grep 'version 2.7' > /dev/null; then echo y; else echo n; fi)
20 # sparc32 <<
21 # <<
22 <<
23 CHECKFLAGS += -D__sparc__ <<
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 <<
42 CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D <<
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 += $(call cc-option,-mtune=ultra <<
51 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--u <<
52 18
53 ifeq ($(CONFIG_MCOUNT),y) !! 19 # Determine if GCC understands the -mcpu= option.
54 KBUILD_CFLAGS += -pg !! 20 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)
>> 21
>> 22 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)
>> 23
>> 24 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)
>> 25
>> 26 have_mcpu_ev67 := $(shell if $(CC) -mcpu=ev67 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi)
>> 27
>> 28 # Turn on the proper cpu optimizations.
>> 29 ifeq ($(have_mcpu),y)
>> 30 # If GENERIC, make sure to turn off any instruction set extensions that
>> 31 # the host compiler might have on by default. Given that EV4 and EV5
>> 32 # have the same instruction set, prefer EV5 because an EV5 schedule is
>> 33 # more likely to keep an EV4 processor busy than vice-versa.
>> 34 mcpu_done := n
>> 35 ifeq ($(CONFIG_ALPHA_GENERIC),y)
>> 36 CFLAGS := $(CFLAGS) -mcpu=ev5
>> 37 mcpu_done := y
>> 38 endif
>> 39 ifeq ($(mcpu_done)$(CONFIG_ALPHA_SX164)$(have_mcpu_pca56),nyy)
>> 40 CFLAGS := $(CFLAGS) -mcpu=pca56
>> 41 mcpu_done := y
>> 42 endif
>> 43 ifeq ($(mcpu_done)$(CONFIG_ALPHA_POLARIS)$(have_mcpu_pca56),nyy)
>> 44 CFLAGS := $(CFLAGS) -mcpu=pca56
>> 45 mcpu_done := y
>> 46 endif
>> 47 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV4),ny)
>> 48 CFLAGS := $(CFLAGS) -mcpu=ev4
>> 49 mcpu_done := y
>> 50 endif
>> 51 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV56),ny)
>> 52 CFLAGS := $(CFLAGS) -mcpu=ev56
>> 53 mcpu_done := y
>> 54 endif
>> 55 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV5),ny)
>> 56 CFLAGS := $(CFLAGS) -mcpu=ev5
>> 57 mcpu_done := y
>> 58 endif
>> 59 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV67)$(have_mcpu_ev67),nyy)
>> 60 CFLAGS := $(CFLAGS) -mcpu=ev67
>> 61 mcpu_done := y
>> 62 endif
>> 63 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV6),ny)
>> 64 ifeq ($(have_mcpu_ev6),y)
>> 65 CFLAGS := $(CFLAGS) -mcpu=ev6
>> 66 else
>> 67 ifeq ($(have_mcpu_pca56),y)
>> 68 CFLAGS := $(CFLAGS) -mcpu=pca56
>> 69 else
>> 70 CFLAGS := $(CFLAGS) -mcpu=ev56
>> 71 endif
>> 72 endif
>> 73 mcpu_done := y
>> 74 endif
55 endif 75 endif
56 76
>> 77 # For TSUNAMI, we must have the assembler not emulate our instructions.
>> 78 # The same is true for IRONGATE, POLARIS, PYXIS.
>> 79 # BWX is most important, but we don't really want any emulation ever.
>> 80
>> 81 ifeq ($(old_gas),y)
>> 82 # How do we do #error in make?
>> 83 CFLAGS := --error-please-upgrade-your-assembler
>> 84 endif
>> 85 CFLAGS := $(CFLAGS) -Wa,-mev6
>> 86
>> 87 HEAD := arch/alpha/kernel/head.o
>> 88
>> 89 SUBDIRS := $(SUBDIRS) arch/alpha/kernel arch/alpha/mm arch/alpha/lib \
>> 90 arch/alpha/math-emu
>> 91 CORE_FILES := arch/alpha/kernel/kernel.o arch/alpha/mm/mm.o $(CORE_FILES)
>> 92
>> 93 ifeq ($(CONFIG_MATHEMU),y)
>> 94 CORE_FILES := $(CORE_FILES) arch/alpha/math-emu/math-emu.o
57 endif 95 endif
58 96
59 libs-y += arch/sparc/prom/ !! 97 LIBS := $(TOPDIR)/arch/alpha/lib/lib.a $(LIBS) $(TOPDIR)/arch/alpha/lib/lib.a
60 libs-y += arch/sparc/lib/ !! 98
>> 99 MAKEBOOT = $(MAKE) -C arch/alpha/boot
>> 100
>> 101 rawboot:
>> 102 @$(MAKEBOOT) rawboot
>> 103
>> 104 #
>> 105 # My boot writes directly to a specific disk partition, I doubt most
>> 106 # people will want to do that without changes..
>> 107 #
>> 108 msb my-special-boot:
>> 109 @$(MAKEBOOT) msb
61 110
62 drivers-$(CONFIG_PM) += arch/sparc/power/ !! 111 bootimage:
63 drivers-$(CONFIG_VIDEO) += arch/sparc/video/ !! 112 @$(MAKEBOOT) bootimage
64 113
65 boot := arch/sparc/boot !! 114 srmboot:
>> 115 @$(MAKEBOOT) srmboot
66 116
67 # Default target !! 117 archclean:
68 all: zImage !! 118 @$(MAKE) -C arch/alpha/kernel clean
>> 119 @$(MAKEBOOT) clean
>> 120 rm -f arch/alpha/vmlinux.lds
69 121
70 image zImage uImage tftpboot.img vmlinux.aout: !! 122 archmrproper:
71 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ <<
72 123
73 install: !! 124 archdep:
74 $(call cmd,install) !! 125 @$(MAKEBOOT) dep
75 126
76 archheaders: !! 127 vmlinux: arch/alpha/vmlinux.lds
77 $(Q)$(MAKE) $(build)=arch/sparc/kernel <<
78 128
79 vdso-install-$(CONFIG_SPARC64) += arch/sparc/ !! 129 arch/alpha/vmlinux.lds: arch/alpha/vmlinux.lds.in
80 vdso-install-$(CONFIG_COMPAT) += arch/sparc/ !! 130 $(CPP) $(CPPFLAGS) -xc -P arch/alpha/vmlinux.lds.in -o arch/alpha/vmlinux.lds
81 131
82 # This is the image used for packaging !! 132 bootpfile:
83 KBUILD_IMAGE := $(boot)/zImage !! 133 @$(MAKEBOOT) bootpfile
84 134
85 # Don't use tabs in echo arguments. !! 135 bootpzfile:
86 define archhelp !! 136 @$(MAKEBOOT) bootpzfile
87 echo '* vmlinux - standard SPARC kerne <<
88 echo ' image - kernel image ($(boot <<
89 echo '* zImage - stripped/compressed <<
90 echo ' uImage - U-Boot SPARC32 Image <<
91 echo ' vmlinux.aout - a.out kernel for SPA <<
92 echo ' tftpboot.img - image prepared for t <<
93 endef <<
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