1 # SPDX-License-Identifier: GPL-2.0-only !! 1 # Makefile for the Sparc boot stuff.
2 targets := Image zImage uImage !! 2 #
>> 3 # Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
>> 4 # Copyright (C) 1997,1998 Jakub Jelinek (jj@ultra.linux.cz)
>> 5
>> 6 ROOT_IMG := /usr/src/root.img
>> 7 ELFTOAOUT := elftoaout
>> 8
>> 9 hostprogs-y := piggyback_32 piggyback_64 btfixupprep
>> 10 targets := tftpboot.img btfix.o btfix.S image zImage vmlinux.aout
>> 11 clean-files := System.map
>> 12
>> 13 quiet_cmd_elftoaout = ELFTOAOUT $@
>> 14 cmd_elftoaout = $(ELFTOAOUT) $(obj)/image -o $@
>> 15
>> 16 ifeq ($(CONFIG_SPARC32),y)
>> 17 quiet_cmd_piggy = PIGGY $@
>> 18 cmd_piggy = $(obj)/piggyback_32 $@ System.map $(ROOT_IMG)
>> 19 quiet_cmd_btfix = BTFIX $@
>> 20 cmd_btfix = $(OBJDUMP) -x vmlinux | $(obj)/btfixupprep > $@
>> 21 quiet_cmd_sysmap = SYSMAP $(obj)/System.map
>> 22 cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap
>> 23 quiet_cmd_image = LD $@
>> 24 cmd_image = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(@F)) -o $@
>> 25 quiet_cmd_strip = STRIP $@
>> 26 cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start $(obj)/image -o $@
>> 27
>> 28
>> 29 define rule_image
>> 30 $(if $($(quiet)cmd_image), \
>> 31 echo ' $($(quiet)cmd_image)' &&) \
>> 32 $(cmd_image); \
>> 33 $(if $($(quiet)cmd_sysmap), \
>> 34 echo ' $($(quiet)cmd_sysmap)' &&) \
>> 35 $(cmd_sysmap) $@ $(obj)/System.map; \
>> 36 if [ $$? -ne 0 ]; then \
>> 37 rm -f $@; \
>> 38 /bin/false; \
>> 39 fi; \
>> 40 echo 'cmd_$@ := $(cmd_image)' > $(@D)/.$(@F).cmd
>> 41 endef
>> 42
>> 43 BTOBJS := $(patsubst %/, %/built-in.o, $(VMLINUX_INIT))
>> 44 BTLIBS := $(patsubst %/, %/built-in.o, $(VMLINUX_MAIN))
>> 45 LDFLAGS_image := -T arch/sparc/kernel/vmlinux.lds $(BTOBJS) \
>> 46 --start-group $(BTLIBS) --end-group \
>> 47 $(kallsyms.o) $(obj)/btfix.o
>> 48
>> 49 # Link the final image including btfixup'ed symbols.
>> 50 # This is a replacement for the link done in the top-level Makefile.
>> 51 # Note: No dependency on the prerequisite files since that would require
>> 52 # make to try check if they are updated - and due to changes
>> 53 # in gcc options (path for example) this would result in
>> 54 # these files being recompiled for each build.
>> 55 $(obj)/image: $(obj)/btfix.o FORCE
>> 56 $(call if_changed_rule,image)
>> 57
>> 58 $(obj)/zImage: $(obj)/image
>> 59 $(call if_changed,strip)
>> 60
>> 61 $(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback_32 System.map $(ROOT_IMG) FORCE
>> 62 $(call if_changed,elftoaout)
>> 63 $(call if_changed,piggy)
>> 64
>> 65 $(obj)/btfix.S: $(obj)/btfixupprep vmlinux FORCE
>> 66 $(call if_changed,btfix)
>> 67
>> 68 endif
>> 69
>> 70 ifeq ($(CONFIG_SPARC64),y)
>> 71 quiet_cmd_piggy = PIGGY $@
>> 72 cmd_piggy = $(obj)/piggyback_64 $@ System.map $(ROOT_IMG)
>> 73 quiet_cmd_strip = STRIP $@
>> 74 cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start vmlinux -o $@
>> 75
>> 76
>> 77 # Actual linking
>> 78 $(obj)/image: vmlinux FORCE
>> 79 $(call if_changed,strip)
>> 80 @echo ' kernel: $@ is ready'
>> 81
>> 82 $(obj)/zImage: $(obj)/image
>> 83 $(call if_changed,gzip)
>> 84
>> 85 $(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback_64 System.map $(ROOT_IMG) FORCE
>> 86 $(call if_changed,elftoaout)
>> 87 $(call if_changed,piggy)
>> 88 @echo ' kernel: $@ is ready'
>> 89
>> 90 $(obj)/vmlinux.aout: vmlinux FORCE
>> 91 $(call if_changed,elftoaout)
>> 92 @echo ' kernel: $@ is ready'
>> 93 endif
3 94
4 $(obj)/Image: vmlinux FORCE <<
5 $(call if_changed,objcopy) <<
6 @echo ' Kernel: $@ is ready' <<
7 <<
8 compress-$(CONFIG_KERNEL_GZIP) = gzip <<
9 compress-$(CONFIG_KERNEL_LZO) = lzo <<
10 compress-$(CONFIG_KERNEL_LZMA) = lzma <<
11 compress-$(CONFIG_KERNEL_XZ) = xzkern <<
12 compress-$(CONFIG_KERNEL_LZ4) = lz4 <<
13 <<
14 $(obj)/zImage: $(obj)/Image FORCE <<
15 $(call if_changed,$(compress-y)) <<
16 @echo ' Kernel: $@ is ready' <<
17 <<
18 UIMAGE_ARCH = sandbox <<
19 UIMAGE_COMPRESSION = $(compress-y) <<
20 UIMAGE_LOADADDR = $(shell $(NM) vmlinu <<
21 <<
22 $(obj)/uImage: $(obj)/zImage <<
23 $(call if_changed,uimage) <<
24 @echo 'Image: $@ is ready' <<
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