a6c337dec0
- if crt0s is empty (eg. because crt0-y is still used), break the build, and say where that behaviour changed - if a stage is unusable for cbfstool because it's placed outside the ROM space (linked to 0 is somewhat notorious), warn about it, give some hints and exit instead of crashing. Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de> Acked-by: Stefan Reinauer <stefan.reinauer@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5077 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
75 lines
3.2 KiB
Makefile
75 lines
3.2 KiB
Makefile
#######################################################################
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# Take care of subdirectories
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subdirs-y += boot
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# subdirs-y += init
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subdirs-y += lib
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subdirs-y += smp
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obj-$(CONFIG_HAVE_OPTION_TABLE) += ../../option_table.o
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ifdef POST_EVALUATION
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#######################################################################
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# Build the final rom image
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$(obj)/coreboot.rom: $(obj)/coreboot.pre $(obj)/coreboot_ram $(CBFSTOOL)
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cp $(obj)/coreboot.pre $@
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if [ -f fallback/coreboot_apc ]; \
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then \
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$(CBFSTOOL) $@ add-stage fallback/coreboot_apc fallback/coreboot_apc $(CBFS_COMPRESS_FLAG); \
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fi
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$(CBFSTOOL) $@ add-stage $(obj)/coreboot_ram fallback/coreboot_ram $(CBFS_COMPRESS_FLAG)
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ifeq ($(CONFIG_PAYLOAD_NONE),y)
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@printf " PAYLOAD none (as specified by user)\n"
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else
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@printf " PAYLOAD $(CONFIG_FALLBACK_PAYLOAD_FILE) $(CBFS_PAYLOAD_COMPRESS_FLAG)\n"
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$(CBFSTOOL) $(obj)/coreboot.rom add-payload $(CONFIG_FALLBACK_PAYLOAD_FILE) fallback/payload $(CBFS_PAYLOAD_COMPRESS_FLAG)
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endif
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ifeq ($(CONFIG_VGA_BIOS),y)
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@printf " VGABIOS $(CONFIG_FALLBACK_VGA_BIOS_FILE) $(CONFIG_FALLBACK_VGA_BIOS_ID)\n"
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$(CBFSTOOL) $(obj)/coreboot.rom add $(CONFIG_FALLBACK_VGA_BIOS_FILE) "pci$(CONFIG_FALLBACK_VGA_BIOS_ID).rom" optionrom
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endif
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@printf " CBFSPRINT $(subst $(obj)/,,$(@))\n\n"
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$(CBFSTOOL) $(obj)/coreboot.rom print
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#######################################################################
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# i386 specific tools
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$(obj)/option_table.h $(obj)/option_table.c $(obj)/arch/i386/../../option_table.c: $(obj)/build_opt_tbl $(top)/src/mainboard/$(MAINBOARDDIR)/cmos.layout
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@printf " OPTION $(subst $(obj)/,,$(@))\n"
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$(obj)/build_opt_tbl --config $(top)/src/mainboard/$(MAINBOARDDIR)/cmos.layout --header $(obj)/option_table.h --option $(obj)/option_table.c
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$(obj)/build_opt_tbl: $(top)/util/options/build_opt_tbl.c $(top)/src/include/pc80/mc146818rtc.h $(top)/src/include/boot/coreboot_tables.h $(obj)/config.h
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@printf " HOSTCC $(subst $(obj)/,,$(@))\n"
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$(HOSTCC) $(HOSTCFLAGS) -include $(obj)/config.h $< -o $@
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#######################################################################
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# Build the coreboot_ram (stage 2)
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$(obj)/coreboot_ram: $(obj)/coreboot_ram.o $(src)/config/coreboot_ram.ld #ldoptions
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@printf " CC $(subst $(obj)/,,$(@))\n"
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$(CC) -nostdlib -nostartfiles -static -o $@ -L$(obj) -T $(src)/config/coreboot_ram.ld $(obj)/coreboot_ram.o
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$(NM) -n $(obj)/coreboot_ram | sort > $(obj)/coreboot_ram.map
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$(obj)/coreboot_ram.o: $(obj)/arch/i386/lib/c_start.o $(drivers) $(obj)/coreboot.a $(LIBGCC_FILE_NAME)
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@printf " CC $(subst $(obj)/,,$(@))\n"
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$(CC) -nostdlib -r -o $@ $(obj)/arch/i386/lib/c_start.o $(drivers) -Wl,-\( $(obj)/coreboot.a $(LIBGCC_FILE_NAME) -Wl,-\)
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$(obj)/coreboot.a: $(objs)
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@printf " AR $(subst $(obj)/,,$(@))\n"
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rm -f $(obj)/coreboot.a
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$(AR) cr $(obj)/coreboot.a $(objs)
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#######################################################################
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# done
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# crt0s should be set by now
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ifeq ($(crt0s),)
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$(error crt0s are empty. If your board still uses crt0-y and ldscript-y: It shouldn't, we moved away from that in r5065)
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endif
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endif
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ifeq ($(CONFIG_TINY_BOOTBLOCK),y)
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include $(src)/arch/i386/Makefile.tinybootblock.inc
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else
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include $(src)/arch/i386/Makefile.bigbootblock.inc
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endif
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