1 # 1 #
>> 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" cleaning up for this architecture.
>> 7 #
2 # This file is subject to the terms and condit 8 # This file is subject to the terms and conditions of the GNU General Public
3 # License. See the file "COPYING" in the main 9 # License. See the file "COPYING" in the main directory of this archive
4 # for more details. 10 # for more details.
5 # 11 #
6 # Copyright (C) 2013 Altera Corporation !! 12 # Copyright (C) 1994 by Linus Torvalds
7 # Copyright (C) 1994, 95, 96, 2003 by Wind Riv <<
8 # Written by Fredrik Markstrom <<
9 # 13 #
10 # This file is included by the global makefile !! 14 # 19990713 Artur Skawina <skawina@geocities.com>
11 # architecture-specific flags and dependencies !! 15 # Added '-march' and '-mpreferred-stack-boundary' support
12 # 16 #
13 # Nios2 port by Wind River Systems Inc trough: <<
14 # fredrik.markstrom@gmail.com and ivarholmqv <<
15 17
16 KBUILD_DEFCONFIG := 3c120_defconfig !! 18 LDFLAGS := -m elf_i386
>> 19 OBJCOPYFLAGS := -O binary -R .note -R .comment -S
>> 20 LDFLAGS_vmlinux :=
>> 21
>> 22 CFLAGS += -pipe
>> 23
>> 24 # prevent gcc from keeping the stack 16 byte aligned
>> 25 CFLAGS += $(call check_gcc,-mpreferred-stack-boundary=2,)
>> 26
>> 27 align := $(subst -functions=0,,$(call check_gcc,-falign-functions=0,-malign-functions=0))
>> 28
>> 29 cflags-$(CONFIG_M386) += -march=i386
>> 30 cflags-$(CONFIG_M486) += -march=i486
>> 31 cflags-$(CONFIG_M586) += -march=i586
>> 32 cflags-$(CONFIG_M586TSC) += -march=i586
>> 33 cflags-$(CONFIG_M586MMX) += $(call check_gcc,-march=pentium-mmx,-march=i586)
>> 34 cflags-$(CONFIG_M686) += -march=i686
>> 35 cflags-$(CONFIG_MPENTIUMII) += $(call check_gcc,-march=pentium2,-march=i686)
>> 36 cflags-$(CONFIG_MPENTIUMIII) += $(call check_gcc,-march=pentium3,-march=i686)
>> 37 cflags-$(CONFIG_MPENTIUM4) += $(call check_gcc,-march=pentium4,-march=i686)
>> 38 cflags-$(CONFIG_MK6) += $(call check_gcc,-march=k6,-march=i586)
>> 39 # Please note, that patches that add -march=athlon-xp and friends are pointless.
>> 40 # They make zero difference whatsosever to performance at this time.
>> 41 cflags-$(CONFIG_MK7) += $(call check_gcc,-march=athlon,-march=i686 $(align)-functions=4)
>> 42 cflags-$(CONFIG_MK8) += $(call check_gcc,-march=k8,$(call check_gcc,-march=athlon,-march=i686 $(align)-functions=4))
>> 43 cflags-$(CONFIG_MCRUSOE) += -march=i686 $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
>> 44 cflags-$(CONFIG_MWINCHIPC6) += $(call check_gcc,-march=winchip-c6,-march=i586)
>> 45 cflags-$(CONFIG_MWINCHIP2) += $(call check_gcc,-march=winchip2,-march=i586)
>> 46 cflags-$(CONFIG_MWINCHIP3D) += $(call check_gcc,-march=winchip2,-march=i586)
>> 47 cflags-$(CONFIG_MCYRIXIII) += $(call check_gcc,-march=c3,-march=i486) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
>> 48 cflags-$(CONFIG_MVIAC3_2) += $(call check_gcc,-march=c3-2,-march=i686)
>> 49
>> 50 CFLAGS += $(cflags-y)
>> 51
>> 52 # Default subarch .c files
>> 53 mcore-y := mach-default
>> 54
>> 55 # Voyager subarch support
>> 56 mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-i386/mach-voyager
>> 57 mcore-$(CONFIG_X86_VOYAGER) := mach-voyager
>> 58
>> 59 # VISWS subarch support
>> 60 mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-i386/mach-visws
>> 61 mcore-$(CONFIG_X86_VISWS) := mach-visws
17 62
18 UTS_SYSNAME = Linux !! 63 # NUMAQ subarch support
>> 64 mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-i386/mach-numaq
>> 65 mcore-$(CONFIG_X86_NUMAQ) := mach-default
19 66
20 export MMU !! 67 # BIGSMP subarch support
>> 68 mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-i386/mach-bigsmp
>> 69 mcore-$(CONFIG_X86_BIGSMP) := mach-default
21 70
22 LIBGCC := $(shell $(CC) $(KBUILD_CFLAG !! 71 #Summit subarch support
>> 72 mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit
>> 73 mcore-$(CONFIG_X86_SUMMIT) := mach-default
23 74
24 KBUILD_AFLAGS += -march=r$(CONFIG_NIOS2_ARCH_R !! 75 # generic subarchitecture
>> 76 mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic
>> 77 mcore-$(CONFIG_X86_GENERICARCH) := mach-default
>> 78 core-$(CONFIG_X86_GENERICARCH) += arch/i386/mach-generic/
25 79
26 KBUILD_CFLAGS += -pipe -D__linux__ -D__ELF__ !! 80 # ES7000 subarch support
27 KBUILD_CFLAGS += -march=r$(CONFIG_NIOS2_ARCH_R !! 81 mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-i386/mach-es7000
28 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MUL_SU !! 82 mcore-$(CONFIG_X86_ES7000) := mach-es7000
29 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MULX_S <<
30 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_DIV_SU <<
31 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_BMX_SUPPO <<
32 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_CDX_SUPPO <<
33 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_FPU_SUPPO <<
34 83
35 KBUILD_CFLAGS += -fno-optimize-sibling-calls !! 84 # default subarch .h files
36 KBUILD_CFLAGS += -DUTS_SYSNAME=\"$(UTS_SYSNAME !! 85 mflags-y += -Iinclude/asm-i386/mach-default
37 KBUILD_CFLAGS += -fno-builtin <<
38 KBUILD_CFLAGS += -G 0 <<
39 86
40 libs-y += arch/nios2/lib/ $(LIBGCC) !! 87 head-y := arch/i386/kernel/head.o arch/i386/kernel/init_task.o
41 88
42 INSTALL_PATH ?= /tftpboot !! 89 libs-y += arch/i386/lib/
43 nios2-boot := arch/$(ARCH)/boot !! 90 core-y += arch/i386/kernel/ \
44 BOOT_TARGETS = vmImage zImage !! 91 arch/i386/mm/ \
45 PHONY += $(BOOT_TARGETS) install !! 92 arch/i386/$(mcore-y)/
46 KBUILD_IMAGE := $(nios2-boot)/vmImage !! 93 drivers-$(CONFIG_MATH_EMULATION) += arch/i386/math-emu/
>> 94 drivers-$(CONFIG_PCI) += arch/i386/pci/
>> 95 # must be linked after kernel/
>> 96 drivers-$(CONFIG_OPROFILE) += arch/i386/oprofile/
>> 97 drivers-$(CONFIG_PM) += arch/i386/power/
47 98
48 all: vmImage !! 99 CFLAGS += $(mflags-y)
>> 100 AFLAGS += $(mflags-y)
49 101
50 $(BOOT_TARGETS): vmlinux !! 102 boot := arch/i386/boot
51 $(Q)$(MAKE) $(build)=$(nios2-boot) $(n <<
52 103
53 install: !! 104 .PHONY: zImage bzImage compressed zlilo bzlilo \
54 $(call cmd,install) !! 105 zdisk bzdisk fdimage fdimage144 fdimage288 install
>> 106
>> 107 all: bzImage
>> 108
>> 109 BOOTIMAGE=arch/i386/boot/bzImage
>> 110 zImage zlilo zdisk: BOOTIMAGE=arch/i386/boot/zImage
>> 111
>> 112 zImage bzImage: vmlinux
>> 113 $(Q)$(MAKE) $(build)=$(boot) $(BOOTIMAGE)
>> 114
>> 115 compressed: zImage
>> 116
>> 117 zlilo bzlilo: vmlinux
>> 118 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zlilo
>> 119
>> 120 zdisk bzdisk: vmlinux
>> 121 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zdisk
>> 122
>> 123 install fdimage fdimage144 fdimage288: vmlinux
>> 124 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
>> 125
>> 126 prepare: include/asm-$(ARCH)/asm_offsets.h
>> 127 CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h
>> 128
>> 129 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
>> 130 include/config/MARKER
>> 131
>> 132 include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
>> 133 $(call filechk,gen-asm-offsets)
>> 134
>> 135 archclean:
>> 136 $(Q)$(MAKE) $(clean)=arch/i386/boot
55 137
56 define archhelp 138 define archhelp
57 echo '* vmImage - Kernel-only image !! 139 echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
58 echo ' install - Install kernel us !! 140 echo ' install - Install kernel using'
59 echo ' (your) ~/bin/$(I !! 141 echo ' (your) ~/bin/installkernel or'
60 echo ' (distribution) / !! 142 echo ' (distribution) /sbin/installkernel or'
61 echo ' install to $$(IN !! 143 echo ' install to $$(INSTALL_PATH) and run lilo'
>> 144 echo ' bzdisk - Create a boot floppy in /dev/fd0'
>> 145 echo ' fdimage - Create a boot floppy image'
62 endef 146 endef
>> 147
>> 148 CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf
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