1 # SPDX-License-Identifier: GPL-2.0-only !! 1 #
2 OBJCOPYFLAGS :=-O binary !! 2 # i386/Makefile
3 GZFLAGS :=-9 !! 3 #
4 !! 4 # This file is included by the global makefile so that you can add your own
5 ifdef CONFIG_CPU_HAS_FPU !! 5 # architecture-specific flags and dependencies. Remember to do have actions
6 FPUEXT = f !! 6 # for "archclean" cleaning up for this architecture.
7 endif !! 7 #
8 !! 8 # This file is subject to the terms and conditions of the GNU General Public
9 ifdef CONFIG_CPU_HAS_VDSP !! 9 # License. See the file "COPYING" in the main directory of this archive
10 VDSPEXT = v !! 10 # for more details.
11 endif !! 11 #
12 !! 12 # Copyright (C) 1994 by Linus Torvalds
13 ifdef CONFIG_CPU_HAS_TEE !! 13 #
14 TEEEXT = t !! 14 # 19990713 Artur Skawina <skawina@geocities.com>
15 endif !! 15 # Added '-march' and '-mpreferred-stack-boundary' support
16 !! 16 #
17 ifdef CONFIG_CPU_CK610 !! 17
18 CPUTYPE = ck610 !! 18 LDFLAGS := -m elf_i386
19 CSKYABI = abiv1 !! 19 OBJCOPYFLAGS := -O binary -R .note -R .comment -S
20 endif !! 20 LDFLAGS_vmlinux :=
21 !! 21
22 ifdef CONFIG_CPU_CK810 !! 22 CFLAGS += -pipe
23 CPUTYPE = ck810 !! 23
24 CSKYABI = abiv2 !! 24 # prevent gcc from keeping the stack 16 byte aligned
25 endif !! 25 CFLAGS += $(call check_gcc,-mpreferred-stack-boundary=2,)
26 !! 26
27 ifdef CONFIG_CPU_CK807 !! 27 align := $(subst -functions=0,,$(call check_gcc,-falign-functions=0,-malign-functions=0))
28 CPUTYPE = ck807 !! 28
29 CSKYABI = abiv2 !! 29 cflags-$(CONFIG_M386) += -march=i386
30 endif !! 30 cflags-$(CONFIG_M486) += -march=i486
31 !! 31 cflags-$(CONFIG_M586) += -march=i586
32 ifdef CONFIG_CPU_CK860 !! 32 cflags-$(CONFIG_M586TSC) += -march=i586
33 CPUTYPE = ck860 !! 33 cflags-$(CONFIG_M586MMX) += $(call check_gcc,-march=pentium-mmx,-march=i586)
34 CSKYABI = abiv2 !! 34 cflags-$(CONFIG_M686) += -march=i686
35 endif !! 35 cflags-$(CONFIG_MPENTIUMII) += $(call check_gcc,-march=pentium2,-march=i686)
36 !! 36 cflags-$(CONFIG_MPENTIUMIII) += $(call check_gcc,-march=pentium3,-march=i686)
37 ifneq ($(CSKYABI),) !! 37 cflags-$(CONFIG_MPENTIUM4) += $(call check_gcc,-march=pentium4,-march=i686)
38 MCPU_STR = $(CPUTYPE)$(FPUEXT)$(VDSPEXT)$(TEEE !! 38 cflags-$(CONFIG_MK6) += $(call check_gcc,-march=k6,-march=i586)
39 KBUILD_CFLAGS += -mcpu=$(CPUTYPE) -Wa,-mcpu=$( !! 39 # Please note, that patches that add -march=athlon-xp and friends are pointless.
40 KBUILD_CFLAGS += -DCSKYCPU_DEF_NAME=\"$(MCPU_S !! 40 # They make zero difference whatsosever to performance at this time.
41 KBUILD_CFLAGS += -msoft-float -mdiv !! 41 cflags-$(CONFIG_MK7) += $(call check_gcc,-march=athlon,-march=i686 $(align)-functions=4)
42 KBUILD_CFLAGS += -fno-tree-vectorize !! 42 cflags-$(CONFIG_MK8) += $(call check_gcc,-march=k8,$(call check_gcc,-march=athlon,-march=i686 $(align)-functions=4))
43 endif !! 43 cflags-$(CONFIG_MCRUSOE) += -march=i686 $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
44 !! 44 cflags-$(CONFIG_MWINCHIPC6) += $(call check_gcc,-march=winchip-c6,-march=i586)
45 KBUILD_CFLAGS += -pipe !! 45 cflags-$(CONFIG_MWINCHIP2) += $(call check_gcc,-march=winchip2,-march=i586)
46 ifeq ($(CSKYABI),abiv2) !! 46 cflags-$(CONFIG_MWINCHIP3D) += $(call check_gcc,-march=winchip2,-march=i586)
47 KBUILD_CFLAGS += -mno-stack-size !! 47 cflags-$(CONFIG_MCYRIXIII) += $(call check_gcc,-march=c3,-march=i486) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
48 endif !! 48 cflags-$(CONFIG_MVIAC3_2) += $(call check_gcc,-march=c3-2,-march=i686)
49 !! 49
50 ifdef CONFIG_FRAME_POINTER !! 50 CFLAGS += $(cflags-y)
51 KBUILD_CFLAGS += -mbacktrace !! 51
52 endif !! 52 # Default subarch .c files
53 !! 53 mcore-y := mach-default
54 abidirs := $(patsubst %,arch/csky/%/,$(CSKYABI !! 54
55 KBUILD_CFLAGS += $(patsubst %,-I$(srctree)/%in !! 55 # Voyager subarch support
56 !! 56 mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-i386/mach-voyager
57 KBUILD_CPPFLAGS += -mlittle-endian !! 57 mcore-$(CONFIG_X86_VOYAGER) := mach-voyager
58 LDFLAGS += -EL !! 58
59 !! 59 # VISWS subarch support
60 KBUILD_AFLAGS += $(KBUILD_CFLAGS) !! 60 mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-i386/mach-visws
61 !! 61 mcore-$(CONFIG_X86_VISWS) := mach-visws
62 core-y += arch/csky/$(CSKYABI)/ !! 62
63 !! 63 # NUMAQ subarch support
64 libs-y += arch/csky/lib/ \ !! 64 mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-i386/mach-numaq
65 $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLA !! 65 mcore-$(CONFIG_X86_NUMAQ) := mach-default
>> 66
>> 67 # BIGSMP subarch support
>> 68 mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-i386/mach-bigsmp
>> 69 mcore-$(CONFIG_X86_BIGSMP) := mach-default
>> 70
>> 71 #Summit subarch support
>> 72 mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit
>> 73 mcore-$(CONFIG_X86_SUMMIT) := mach-default
>> 74
>> 75 # generic subarchitecture
>> 76 mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic
>> 77 mcore-$(CONFIG_X86_GENERICARCH) := mach-default
>> 78 core-$(CONFIG_X86_GENERICARCH) += arch/i386/mach-generic/
>> 79
>> 80 # ES7000 subarch support
>> 81 mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-i386/mach-es7000
>> 82 mcore-$(CONFIG_X86_ES7000) := mach-es7000
>> 83
>> 84 # default subarch .h files
>> 85 mflags-y += -Iinclude/asm-i386/mach-default
>> 86
>> 87 head-y := arch/i386/kernel/head.o arch/i386/kernel/init_task.o
>> 88
>> 89 libs-y += arch/i386/lib/
>> 90 core-y += arch/i386/kernel/ \
>> 91 arch/i386/mm/ \
>> 92 arch/i386/$(mcore-y)/
>> 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/
>> 98
>> 99 CFLAGS += $(mflags-y)
>> 100 AFLAGS += $(mflags-y)
>> 101
>> 102 boot := arch/i386/boot
>> 103
>> 104 .PHONY: zImage bzImage compressed zlilo bzlilo \
>> 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-$(ARCH)/asm_offsets.h
66 128
67 boot := arch/csky/boot !! 129 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
>> 130 include/config/MARKER
68 131
69 all: zImage !! 132 include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
>> 133 $(call filechk,gen-asm-offsets)
70 134
71 zImage Image uImage: vmlinux !! 135 archclean:
72 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ !! 136 $(Q)$(MAKE) $(clean)=arch/i386/boot
73 137
74 define archhelp 138 define archhelp
75 echo '* zImage - Compressed kernel im !! 139 echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
76 echo ' Image - Uncompressed kernel !! 140 echo ' install - Install kernel using'
77 echo ' uImage - U-Boot wrapped zImag !! 141 echo ' (your) ~/bin/installkernel or'
>> 142 echo ' (distribution) /sbin/installkernel or'
>> 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'
78 endef 146 endef
>> 147
>> 148 CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf
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