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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | # Makefile for the Sparc boot stuff. # # Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) # Copyright (C) 1997,1998 Jakub Jelinek (jj@ultra.linux.cz) ROOT_IMG := /usr/src/root.img ELFTOAOUT := elftoaout MKIMAGE := $(srctree)/scripts/mkuboot.sh hostprogs-y := piggyback btfixupprep targets := tftpboot.img btfix.o btfix.S image zImage vmlinux.aout clean-files := System.map quiet_cmd_elftoaout = ELFTOAOUT $@ cmd_elftoaout = $(ELFTOAOUT) $(obj)/image -o $@ quiet_cmd_piggy = PIGGY $@ cmd_piggy = $(obj)/piggyback $(BITS) $@ System.map $(ROOT_IMG) quiet_cmd_strip = STRIP $@ cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start $< -o $@ ifeq ($(CONFIG_SPARC32),y) quiet_cmd_btfix = BTFIX $@ cmd_btfix = $(OBJDUMP) -x vmlinux | $(obj)/btfixupprep > $@ quiet_cmd_sysmap = SYSMAP $(obj)/System.map cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap quiet_cmd_image = LD $@ cmd_image = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(@F)) -o $@ define rule_image $(if $($(quiet)cmd_image), \ echo ' $($(quiet)cmd_image)' &&) \ $(cmd_image); \ $(if $($(quiet)cmd_sysmap), \ echo ' $($(quiet)cmd_sysmap)' &&) \ $(cmd_sysmap) $@ $(obj)/System.map; \ if [ $$? -ne 0 ]; then \ rm -f $@; \ /bin/false; \ fi; \ echo 'cmd_$@ := $(cmd_image)' > $(@D)/.$(@F).cmd endef BTOBJS := $(patsubst %/, %/built-in.o, $(VMLINUX_INIT)) BTLIBS := $(patsubst %/, %/built-in.o, $(VMLINUX_MAIN)) LDFLAGS_image := -T arch/sparc/kernel/vmlinux.lds $(BTOBJS) \ --start-group $(BTLIBS) --end-group \ $(kallsyms.o) $(obj)/btfix.o # Link the final image including btfixup'ed symbols. # This is a replacement for the link done in the top-level Makefile. # Note: No dependency on the prerequisite files since that would require # make to try check if they are updated - and due to changes # in gcc options (path for example) this would result in # these files being recompiled for each build. $(obj)/image: $(obj)/btfix.o FORCE $(call if_changed_rule,image) $(obj)/zImage: $(obj)/image $(call if_changed,strip) @echo ' kernel: $@ is ready' $(obj)/btfix.S: $(obj)/btfixupprep vmlinux FORCE $(call if_changed,btfix) endif ifeq ($(CONFIG_SPARC64),y) # Actual linking $(obj)/image: vmlinux FORCE $(call if_changed,strip) @echo ' kernel: $@ is ready' $(obj)/zImage: $(obj)/image $(call if_changed,gzip) @echo ' kernel: $@ is ready' $(obj)/vmlinux.aout: vmlinux FORCE $(call if_changed,elftoaout) @echo ' kernel: $@ is ready' else # The following lines make a readable image for U-Boot. # uImage - Binary file read by U-boot # uImage.o - object file of uImage for loading with a # flash programmer understanding ELF. OBJCOPYFLAGS_image.bin := -S -O binary -R .note -R .comment $(obj)/image.bin: $(obj)/image FORCE $(call if_changed,objcopy) $(obj)/image.gz: $(obj)/image.bin $(call if_changed,gzip) quiet_cmd_uimage = UIMAGE $@ cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sparc -O linux -T kernel \ -C gzip -a $(CONFIG_UBOOT_LOAD_ADDR) \ -e $(CONFIG_UBOOT_ENTRY_ADDR) -n 'Linux-$(KERNELRELEASE)' \ -d $< $@ quiet_cmd_uimage.o = UIMAGE.O $@ cmd_uimage.o = $(LD) -Tdata $(CONFIG_UBOOT_FLASH_ADDR) \ -r -b binary $@ -o $@.o targets += uImage $(obj)/uImage: $(obj)/image.gz $(call if_changed,uimage) $(call if_changed,uimage.o) @echo ' Image $@ is ready' endif $(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback System.map $(ROOT_IMG) FORCE $(call if_changed,elftoaout) $(call if_changed,piggy) |