1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 KBUILD_DEFCONFIG := mmu_defconfig !! 2 #
>> 3 # sparc/Makefile
>> 4 #
>> 5 # Makefile for the architecture dependent flags and dependencies on the
>> 6 # Sparc and sparc64.
>> 7 #
>> 8 # Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu)
>> 9 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
>> 10
>> 11 # We are not yet configured - so test on arch
>> 12 ifeq ($(ARCH),sparc64)
>> 13 KBUILD_DEFCONFIG := sparc64_defconfig
>> 14 else
>> 15 KBUILD_DEFCONFIG := sparc32_defconfig
>> 16 endif
3 17
4 UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\" !! 18 ifeq ($(CONFIG_SPARC32),y)
>> 19 #####
>> 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 deal with a specs bug in some
>> 29 # versions of gcc. Some gcc versions won't pass -Av8 to binutils when you
>> 30 # give -mcpu=v8. This silently worked with older bintutils versions but
>> 31 # does not any more.
>> 32 KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
>> 33 KBUILD_CFLAGS += -Wa,-Av8
>> 34
>> 35 KBUILD_AFLAGS += -m32 -Wa,-Av8
5 36
6 # What CPU version are we building for, and cr <<
7 # as major.minor.rev <<
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 37 else
41 KBUILD_CFLAGS += -mlittle-endian !! 38 #####
42 KBUILD_AFLAGS += -mlittle-endian !! 39 # sparc64
43 KBUILD_LDFLAGS += -EL !! 40 #
>> 41
>> 42 CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__
>> 43 KBUILD_LDFLAGS := -m elf64_sparc
>> 44 export BITS := 64
>> 45 UTS_MACHINE := sparc64
>> 46
>> 47 KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow
>> 48 KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
>> 49 KBUILD_CFLAGS += -Wa,--undeclared-regs
>> 50 KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
>> 51 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
>> 52
>> 53 ifeq ($(CONFIG_MCOUNT),y)
>> 54 KBUILD_CFLAGS += -pg
44 endif 55 endif
45 56
46 CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VE !! 57 endif
47 58
48 # r31 holds current when in kernel mode !! 59 libs-y += arch/sparc/prom/
49 KBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-y) $(C !! 60 libs-y += arch/sparc/lib/
50 61
51 libs-y += arch/microblaze/lib/ !! 62 drivers-$(CONFIG_PM) += arch/sparc/power/
>> 63 drivers-$(CONFIG_VIDEO) += arch/sparc/video/
52 64
53 boot := arch/microblaze/boot !! 65 boot := arch/sparc/boot
54 66
55 # Are we making a simpleImage.<boardname> targ !! 67 # Default target
56 DTB:=$(subst simpleImage.,,$(filter simpleImag !! 68 all: zImage
57 69
58 export DTB !! 70 image zImage uImage tftpboot.img vmlinux.aout: vmlinux
>> 71 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
59 72
60 all: linux.bin !! 73 install:
>> 74 $(call cmd,install)
61 75
62 archheaders: 76 archheaders:
63 $(Q)$(MAKE) $(build)=arch/microblaze/k !! 77 $(Q)$(MAKE) $(build)=arch/sparc/kernel/syscalls all
64 78
65 PHONY += linux.bin linux.bin.gz linux.bin.ub !! 79 vdso-install-$(CONFIG_SPARC64) += arch/sparc/vdso/vdso64.so.dbg
66 linux.bin.ub linux.bin.gz: linux.bin !! 80 vdso-install-$(CONFIG_COMPAT) += arch/sparc/vdso/vdso32.so.dbg
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 81
72 PHONY += simpleImage.$(DTB) !! 82 # This is the image used for packaging
73 simpleImage.$(DTB): vmlinux !! 83 KBUILD_IMAGE := $(boot)/zImage
74 $(Q)$(MAKE) $(build)=$(boot) $(addpref <<
75 @echo 'Kernel: $(boot)/$@ is ready' ' <<
76 84
>> 85 # Don't use tabs in echo arguments.
77 define archhelp 86 define archhelp
78 echo '* linux.bin - Create raw binary' !! 87 echo '* vmlinux - standard SPARC kernel'
79 echo ' linux.bin.gz - Create compressed raw !! 88 echo ' image - kernel image ($(boot)/image)'
80 echo ' linux.bin.ub - Create U-Boot wrapped !! 89 echo '* zImage - stripped/compressed kernel image ($(boot)/zImage)'
81 echo ' simpleImage.<dt> - Create the follow !! 90 echo ' uImage - U-Boot SPARC32 Image (only for LEON)'
82 echo ' simpleImage.<dt> !! 91 echo ' vmlinux.aout - a.out kernel for SPARC64'
83 echo ' simpleImage.<dt>.u !! 92 echo ' tftpboot.img - image prepared for tftp'
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 93 endef
92 <<
93 MRPROPER_FILES += $(boot)/simpleImage.* <<
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