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1# Makefile for the Sparc boot stuff.
2#
3# Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
4# Copyright (C) 1997,1998 Jakub Jelinek (jj@ultra.linux.cz)
5
6ROOT_IMG := /usr/src/root.img
7ELFTOAOUT := elftoaout
8MKIMAGE := $(srctree)/scripts/mkuboot.sh
9
10hostprogs-y := piggyback btfixupprep
11targets := tftpboot.img btfix.o btfix.S image zImage vmlinux.aout
12clean-files := System.map
13
14quiet_cmd_elftoaout = ELFTOAOUT $@
15 cmd_elftoaout = $(ELFTOAOUT) $(obj)/image -o $@
16quiet_cmd_piggy = PIGGY $@
17 cmd_piggy = $(obj)/piggyback $(BITS) $@ System.map $(ROOT_IMG)
18quiet_cmd_strip = STRIP $@
19 cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start $< -o $@
20
21ifeq ($(CONFIG_SPARC32),y)
22quiet_cmd_btfix = BTFIX $@
23 cmd_btfix = $(OBJDUMP) -x vmlinux | $(obj)/btfixupprep > $@
24quiet_cmd_sysmap = SYSMAP $(obj)/System.map
25 cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap
26quiet_cmd_image = LD $@
27 cmd_image = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(@F)) -o $@
28
29define 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
41endef
42
43BTOBJS := $(patsubst %/, %/built-in.o, $(VMLINUX_INIT))
44BTLIBS := $(patsubst %/, %/built-in.o, $(VMLINUX_MAIN))
45LDFLAGS_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 @echo ' kernel: $@ is ready'
61
62$(obj)/btfix.S: $(obj)/btfixupprep vmlinux FORCE
63 $(call if_changed,btfix)
64
65endif
66
67ifeq ($(CONFIG_SPARC64),y)
68
69# Actual linking
70$(obj)/image: vmlinux FORCE
71 $(call if_changed,strip)
72 @echo ' kernel: $@ is ready'
73
74$(obj)/zImage: $(obj)/image
75 $(call if_changed,gzip)
76 @echo ' kernel: $@ is ready'
77
78$(obj)/vmlinux.aout: vmlinux FORCE
79 $(call if_changed,elftoaout)
80 @echo ' kernel: $@ is ready'
81else
82
83# The following lines make a readable image for U-Boot.
84# uImage - Binary file read by U-boot
85# uImage.o - object file of uImage for loading with a
86# flash programmer understanding ELF.
87
88OBJCOPYFLAGS_image.bin := -S -O binary -R .note -R .comment
89$(obj)/image.bin: $(obj)/image FORCE
90 $(call if_changed,objcopy)
91
92$(obj)/image.gz: $(obj)/image.bin
93 $(call if_changed,gzip)
94
95quiet_cmd_uimage = UIMAGE $@
96 cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sparc -O linux -T kernel \
97 -C gzip -a $(CONFIG_UBOOT_LOAD_ADDR) \
98 -e $(CONFIG_UBOOT_ENTRY_ADDR) -n 'Linux-$(KERNELRELEASE)' \
99 -d $< $@
100
101quiet_cmd_uimage.o = UIMAGE.O $@
102 cmd_uimage.o = $(LD) -Tdata $(CONFIG_UBOOT_FLASH_ADDR) \
103 -r -b binary $@ -o $@.o
104
105targets += uImage
106$(obj)/uImage: $(obj)/image.gz
107 $(call if_changed,uimage)
108 $(call if_changed,uimage.o)
109 @echo ' Image $@ is ready'
110
111endif
112
113$(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback System.map $(ROOT_IMG) FORCE
114 $(call if_changed,elftoaout)
115 $(call if_changed,piggy)
1# SPDX-License-Identifier: GPL-2.0
2# Makefile for the Sparc boot stuff.
3#
4# Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
5# Copyright (C) 1997,1998 Jakub Jelinek (jj@ultra.linux.cz)
6
7ROOT_IMG := /usr/src/root.img
8ELFTOAOUT := elftoaout
9
10hostprogs := piggyback
11targets := tftpboot.img image zImage vmlinux.aout
12clean-files := System.map
13
14quiet_cmd_elftoaout = ELFTOAOUT $@
15 cmd_elftoaout = $(ELFTOAOUT) $(obj)/image -o $@
16quiet_cmd_piggy = PIGGY $@
17 cmd_piggy = $(obj)/piggyback $(BITS) $@ System.map $(ROOT_IMG)
18quiet_cmd_strip = STRIP $@
19 cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start $< -o $@
20
21ifeq ($(CONFIG_SPARC64),y)
22
23# Actual linking
24
25$(obj)/zImage: $(obj)/image FORCE
26 $(call if_changed,gzip)
27 @$(kecho) 'Kernel: $@ is ready' '(#'$(or $(KBUILD_BUILD_VERSION),`cat .version`)')'
28
29$(obj)/vmlinux.aout: vmlinux FORCE
30 $(call if_changed,elftoaout)
31 @$(kecho) 'Kernel: $@ is ready' '(#'$(or $(KBUILD_BUILD_VERSION),`cat .version`)')'
32else
33
34$(obj)/zImage: $(obj)/image FORCE
35 $(call if_changed,strip)
36 @$(kecho) 'Kernel: $@ is ready' '(#'$(or $(KBUILD_BUILD_VERSION),`cat .version`)')'
37
38# The following lines make a readable image for U-Boot.
39# uImage - Binary file read by U-boot
40# uImage.o - object file of uImage for loading with a
41# flash programmer understanding ELF.
42
43OBJCOPYFLAGS_image.bin := -S -O binary -R .note -R .comment
44$(obj)/image.bin: $(obj)/image FORCE
45 $(call if_changed,objcopy)
46
47$(obj)/image.gz: $(obj)/image.bin FORCE
48 $(call if_changed,gzip)
49
50UIMAGE_LOADADDR = $(CONFIG_UBOOT_LOAD_ADDR)
51UIMAGE_ENTRYADDR = $(CONFIG_UBOOT_ENTRY_ADDR)
52UIMAGE_COMPRESSION = gzip
53
54quiet_cmd_uimage.o = UIMAGE.O $@
55 cmd_uimage.o = $(LD) -Tdata $(CONFIG_UBOOT_FLASH_ADDR) \
56 -r -b binary $@ -o $@.o
57
58targets += uImage
59$(obj)/uImage: $(obj)/image.gz FORCE
60 $(call if_changed,uimage)
61 $(call if_changed,uimage.o)
62 @$(kecho) 'Kernel: $@ is ready' '(#'$(or $(KBUILD_BUILD_VERSION),`cat .version`)')'
63
64endif
65
66$(obj)/image: vmlinux FORCE
67 $(call if_changed,strip)
68 @$(kecho) 'Kernel: $@ is ready' '(#'$(or $(KBUILD_BUILD_VERSION),`cat .version`)')'
69
70$(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback System.map $(ROOT_IMG) FORCE
71 $(call if_changed,elftoaout)
72 $(call if_changed,piggy)