1 # SPDX-License-Identifier: GPL-2.0 !! 1 #
2 KBUILD_DEFCONFIG := mmu_defconfig !! 2 # i386/Makefile
>> 3 #
>> 4 # This file is included by the global makefile so that you can add your own
>> 5 # architecture-specific flags and dependencies. Remember to do have actions
>> 6 # for "archclean" and "archdep" for cleaning up and making dependencies for
>> 7 # this architecture
>> 8 #
>> 9 # This file is subject to the terms and conditions of the GNU General Public
>> 10 # License. See the file "COPYING" in the main directory of this archive
>> 11 # for more details.
>> 12 #
>> 13 # Copyright (C) 1994 by Linus Torvalds
>> 14 #
>> 15 # 19990713 Artur Skawina <skawina@geocities.com>
>> 16 # Added '-march' and '-mpreferred-stack-boundary' support
>> 17 #
>> 18
>> 19 LD=$(CROSS_COMPILE)ld -m elf_i386
>> 20 OBJCOPY=$(CROSS_COMPILE)objcopy -O binary -R .note -R .comment -S
>> 21 LDFLAGS=-e stext
>> 22 LINKFLAGS =-T $(TOPDIR)/arch/i386/vmlinux.lds $(LDFLAGS)
3 23
4 UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\" !! 24 CFLAGS += -pipe
5 25
6 # What CPU version are we building for, and cr !! 26 # prevent gcc from keeping the stack 16 byte aligned
7 # as major.minor.rev !! 27 CFLAGS += $(call check_gcc,-mpreferred-stack-boundary=2,)
8 CPU_VER := $(CONFIG_XILINX_MICROBLAZE0_HW_VE <<
9 CPU_MAJOR := $(word 1, $(subst ., , $(CPU_VER) <<
10 CPU_MINOR := $(word 2, $(subst ., , $(CPU_VER) <<
11 CPU_REV := $(word 3, $(subst ., , $(CPU_VER) <<
12 <<
13 export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV <<
14 <<
15 # Use cpu-related CONFIG_ vars to set compile <<
16 # The various CONFIG_XILINX cpu features optio <<
17 # rather than bools y/n <<
18 <<
19 # Work out HW multipler support. This is trick <<
20 # 1. Spartan2 has no HW multipliers. <<
21 # 2. MicroBlaze v3.x always uses them, except <<
22 # 3. All other FPGa/CPU ver combos, we can tru <<
23 ifeq (,$(findstring spartan2,$(CONFIG_XILINX_M <<
24 ifeq ($(CPU_MAJOR),3) <<
25 CPUFLAGS-1 += -mno-xl-soft-mul <<
26 else <<
27 # USE_HW_MUL can be 0, 1, or 2, defining a <<
28 CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROB <<
29 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_H <<
30 endif <<
31 endif <<
32 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) <<
33 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARRE <<
34 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_ <<
35 <<
36 ifdef CONFIG_CPU_BIG_ENDIAN <<
37 KBUILD_CFLAGS += -mbig-endian <<
38 KBUILD_AFLAGS += -mbig-endian <<
39 KBUILD_LDFLAGS += -EB <<
40 else <<
41 KBUILD_CFLAGS += -mlittle-endian <<
42 KBUILD_AFLAGS += -mlittle-endian <<
43 KBUILD_LDFLAGS += -EL <<
44 endif <<
45 <<
46 CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VE <<
47 <<
48 # r31 holds current when in kernel mode <<
49 KBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-y) $(C <<
50 <<
51 libs-y += arch/microblaze/lib/ <<
52 <<
53 boot := arch/microblaze/boot <<
54 <<
55 # Are we making a simpleImage.<boardname> targ <<
56 DTB:=$(subst simpleImage.,,$(filter simpleImag <<
57 <<
58 export DTB <<
59 <<
60 all: linux.bin <<
61 <<
62 archheaders: <<
63 $(Q)$(MAKE) $(build)=arch/microblaze/k <<
64 <<
65 PHONY += linux.bin linux.bin.gz linux.bin.ub <<
66 linux.bin.ub linux.bin.gz: linux.bin <<
67 linux.bin: vmlinux <<
68 linux.bin linux.bin.gz linux.bin.ub: <<
69 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ <<
70 @echo 'Kernel: $(boot)/$@ is ready' ' <<
71 <<
72 PHONY += simpleImage.$(DTB) <<
73 simpleImage.$(DTB): vmlinux <<
74 $(Q)$(MAKE) $(build)=$(boot) $(addpref <<
75 @echo 'Kernel: $(boot)/$@ is ready' ' <<
76 <<
77 define archhelp <<
78 echo '* linux.bin - Create raw binary' <<
79 echo ' linux.bin.gz - Create compressed raw <<
80 echo ' linux.bin.ub - Create U-Boot wrapped <<
81 echo ' simpleImage.<dt> - Create the follow <<
82 echo ' simpleImage.<dt> <<
83 echo ' simpleImage.<dt>.u <<
84 echo ' simpleImage.<dt>.u <<
85 echo ' simpleImage.<dt>.s <<
86 echo ' Targets with <dt> embed a device tre <<
87 echo ' These targets support board with fir <<
88 echo ' support passing a device tree direct <<
89 echo ' name of a dts file from the arch/mic <<
90 echo ' (minus the .dts extension).' <<
91 endef <<
92 28
93 MRPROPER_FILES += $(boot)/simpleImage.* !! 29 ifdef CONFIG_M386
>> 30 CFLAGS += -march=i386
>> 31 endif
>> 32
>> 33 ifdef CONFIG_M486
>> 34 CFLAGS += -march=i486
>> 35 endif
>> 36
>> 37 ifdef CONFIG_M586
>> 38 CFLAGS += -march=i586
>> 39 endif
>> 40
>> 41 ifdef CONFIG_M586TSC
>> 42 CFLAGS += -march=i586
>> 43 endif
>> 44
>> 45 ifdef CONFIG_M586MMX
>> 46 CFLAGS += -march=i586
>> 47 endif
>> 48
>> 49 ifdef CONFIG_M686
>> 50 CFLAGS += -march=i686
>> 51 endif
>> 52
>> 53 ifdef CONFIG_MPENTIUMIII
>> 54 CFLAGS += -march=i686
>> 55 endif
>> 56
>> 57 ifdef CONFIG_MPENTIUM4
>> 58 CFLAGS += -march=i686
>> 59 endif
>> 60
>> 61 ifdef CONFIG_MK6
>> 62 CFLAGS += $(call check_gcc,-march=k6,-march=i586)
>> 63 endif
>> 64
>> 65 ifdef CONFIG_MK7
>> 66 CFLAGS += $(call check_gcc,-march=athlon,-march=i686 -malign-functions=4)
>> 67 endif
>> 68
>> 69 ifdef CONFIG_MCRUSOE
>> 70 CFLAGS += -march=i686
>> 71 CFLAGS += $(call check_gcc,-falign-functions=0 -falign-jumps=0 -falign-loops=0,-malign-functions=0 -malign-jumps=0 -malign-loops=0)
>> 72 endif
>> 73
>> 74 ifdef CONFIG_MGEODE_LX
>> 75 CFLAGS += -march=i686
>> 76 endif
>> 77
>> 78 ifdef CONFIG_MWINCHIPC6
>> 79 CFLAGS += -march=i586
>> 80 endif
>> 81
>> 82 ifdef CONFIG_MWINCHIP2
>> 83 CFLAGS += -march=i586
>> 84 endif
>> 85
>> 86 ifdef CONFIG_MWINCHIP3D
>> 87 CFLAGS += -march=i586
>> 88 endif
>> 89
>> 90 ifdef CONFIG_MCYRIXIII
>> 91 CFLAGS += $(call check_gcc,-march=c3,-march=i486)
>> 92 CFLAGS += $(call check_gcc,-falign-functions=0 -falign-jumps=0 -falign-loops=0,-malign-functions=0 -malign-jumps=0 -malign-loops=0)
>> 93 endif
>> 94
>> 95 ifdef CONFIG_MVIAC3_2
>> 96 CFLAGS += $(call check_gcc,-march=c3-2,-march=i686)
>> 97 endif
>> 98
>> 99 # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
>> 100 # a lot more stack due to the lack of sharing of stacklots.
>> 101 # CFLAGS += $(call if_gcc4,,$(call check_gcc,-fno-unit-at-a-time,))
>> 102 # Disable unit-at-a-time on gcc >= 4 too, because it removes seemingly unused
>> 103 # variables which are indeed module params.
>> 104 CFLAGS += $(call check_gcc,-fno-unit-at-a-time,)
>> 105
>> 106 HEAD := arch/i386/kernel/head.o arch/i386/kernel/init_task.o
>> 107
>> 108 SUBDIRS += arch/i386/kernel arch/i386/mm arch/i386/lib
>> 109
>> 110 CORE_FILES := arch/i386/kernel/kernel.o arch/i386/mm/mm.o $(CORE_FILES)
>> 111 LIBS := $(TOPDIR)/arch/i386/lib/lib.a $(LIBS) $(TOPDIR)/arch/i386/lib/lib.a
>> 112
>> 113 ifdef CONFIG_MATH_EMULATION
>> 114 SUBDIRS += arch/i386/math-emu
>> 115 DRIVERS += arch/i386/math-emu/math.o
>> 116 endif
>> 117
>> 118 arch/i386/kernel: dummy
>> 119 $(MAKE) linuxsubdirs SUBDIRS=arch/i386/kernel
>> 120
>> 121 arch/i386/mm: dummy
>> 122 $(MAKE) linuxsubdirs SUBDIRS=arch/i386/mm
>> 123
>> 124 MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
>> 125
>> 126 vmlinux: arch/i386/vmlinux.lds
>> 127
>> 128 FORCE: ;
>> 129
>> 130 .PHONY: zImage bzImage compressed zlilo bzlilo zdisk bzdisk install \
>> 131 clean archclean archmrproper archdep
>> 132
>> 133 zImage: vmlinux
>> 134 @$(MAKEBOOT) zImage
>> 135
>> 136 bzImage: vmlinux
>> 137 @$(MAKEBOOT) bzImage
>> 138
>> 139 compressed: zImage
>> 140
>> 141 zlilo: vmlinux
>> 142 @$(MAKEBOOT) BOOTIMAGE=zImage zlilo
>> 143
>> 144 tmp:
>> 145 @$(MAKEBOOT) BOOTIMAGE=bzImage zlilo
>> 146 bzlilo: vmlinux
>> 147 @$(MAKEBOOT) BOOTIMAGE=bzImage zlilo
>> 148
>> 149 zdisk: vmlinux
>> 150 @$(MAKEBOOT) BOOTIMAGE=zImage zdisk
>> 151
>> 152 bzdisk: vmlinux
>> 153 @$(MAKEBOOT) BOOTIMAGE=bzImage zdisk
>> 154
>> 155 install: vmlinux
>> 156 @$(MAKEBOOT) BOOTIMAGE=bzImage install
>> 157
>> 158 archclean:
>> 159 @$(MAKEBOOT) clean
>> 160
>> 161 archmrproper:
>> 162
>> 163 archdep:
>> 164 @$(MAKEBOOT) dep
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