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#######################################################################
# Build the final rom image
ifneq ($(CONFIG_UPDATE_IMAGE),y)
$(obj)/coreboot.pre1: $(obj)/coreboot.bootblock $(CBFSTOOL)
rm -f $@
$(CBFSTOOL) $@ create $(CONFIG_COREBOOT_ROMSIZE_KB)K $(obj)/coreboot.bootblock
else
$(obj)/coreboot.pre1: $(CBFSTOOL)
mv $(obj)/coreboot.rom $@
endif
$(obj)/coreboot.pre: $(obj)/coreboot.romstage $(obj)/coreboot.pre1 $(CBFSTOOL)
rm -f $@
cp $(obj)/coreboot.pre1 $@
$(CBFSTOOL) $@ add-stage $(obj)/romstage.elf $(CONFIG_CBFS_PREFIX)/romstage x 0x$(shell cat $(obj)/location.txt)
#FIXME: location.txt might require an offset of header size
#######################################################################
# Build the bootblock
$(obj)/coreboot.bootblock: $(obj)/bootblock.elf
@printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
$(OBJCOPY) -O binary $< $@
bootblock_lds := $(src)/arch/i386/init/ldscript_failover.lb
bootblock_lds += $(src)/cpu/x86/16bit/entry16.lds
bootblock_lds += $(src)/cpu/x86/16bit/reset16.lds
bootblock_lds += $(src)/arch/i386/lib/id.lds
bootblock_lds += $(chipset_bootblock_lds)
bootblock_inc := $(src)/arch/i386/init/bootblock_prologue.c
bootblock_inc += $(src)/cpu/x86/16bit/entry16.inc
bootblock_inc += $(src)/cpu/x86/16bit/reset16.inc
bootblock_inc += $(src)/cpu/x86/32bit/entry32.inc
bootblock_inc += $(src)/arch/i386/lib/id.inc
bootblock_inc += $(chipset_bootblock_inc)
ifeq ($(CONFIG_SSE),y)
bootblock_inc += $(src)/cpu/x86/sse_enable.inc
endif
bootblock_inc += $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.inc
bootblock_inc += $(src)/arch/i386/lib/walkcbfs.S
bootblock_romccflags := -mcpu=i386 -O2 -D__PRE_RAM__
ifeq ($(CONFIG_SSE),y)
bootblock_romccflags := -mcpu=k7 -msse -O2 -D__PRE_RAM__
endif
$(obj)/bootblock/ldscript.ld: $$(bootblock_lds) $(obj)/ldoptions
@printf " GEN $(subst $(obj)/,,$(@))\n"
mkdir -p $(obj)/bootblock
printf '$(foreach ldscript,ldoptions $(bootblock_lds),INCLUDE "$(ldscript)"\n)' > $@
$(obj)/bootblock/bootblock.c: $$(bootblock_inc)
@printf " GEN $(subst $(obj)/,,$(@))\n"
mkdir -p $(obj)/bootblock
printf '$(foreach crt0,config.h $(bootblock_inc),#include "$(crt0)"\n)' > $@
$(obj)/mainboard/$(MAINBOARDDIR)/bootblock.o: $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.s
@printf " CC $(subst $(obj)/,,$(@))\n"
$(CC) -I$(obj) -Wa,-acdlns -c -o $@ $< > $(dir $@)/crt0.disasm
$(obj)/mainboard/$(MAINBOARDDIR)/bootblock.s: $(obj)/bootblock/bootblock.c
@printf " CC $(subst $(obj)/,,$(@))\n"
$(CC) -x assembler-with-cpp -DASSEMBLY -E -I$(src)/include -I$(src)/arch/i386/include -I$(obj) -I$(obj)/bootblock -include $(obj)/config.h -I. -I$(src) $< > $@.new && mv $@.new $@
$(obj)/mainboard/$(MAINBOARDDIR)/bootblock.inc: $(src)/arch/i386/init/$(subst ",,$(CONFIG_BOOTBLOCK_SOURCE)) $(obj)/romcc
@printf " ROMCC $(subst $(obj)/,,$(@))\n"
$(CC) -MM -MT$(obj)/mainboard/$(MAINBOARDDIR)/bootblock.inc \
$< > $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.inc.d
$(ROMCC) -c -S $(bootblock_romccflags) $(ROMCCFLAGS) -I. $(INCLUDES) $< -o $@
$(obj)/bootblock.elf: $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.o $(obj)/bootblock/ldscript.ld
@printf " LINK $(subst $(obj)/,,$(@))\n"
$(CC) -nostdlib -nostartfiles -static -o $@ -L$(obj) -T $(obj)/bootblock/ldscript.ld $<
$(NM) -n $(obj)/bootblock.elf | sort > $(obj)/bootblock.map
#######################################################################
# Build the romstage
$(obj)/coreboot.romstage: $(obj)/coreboot.pre1 $$(initobjs) $(obj)/romstage/ldscript.ld
@printf " LINK $(subst $(obj)/,,$(@))\n"
printf "CONFIG_ROMBASE = 0x0;\nAUTO_XIP_ROM_BASE = 0x0;\n" > $(obj)/location.ld
$(CC) -nostdlib -nostartfiles -static -o $(obj)/romstage.elf -L$(obj) -T $(obj)/romstage/ldscript.ld $(initobjs)
$(OBJCOPY) -O binary $(obj)/romstage.elf $(obj)/romstage.bin
printf "CONFIG_ROMBASE = 0x" > $(obj)/location.ld
$(CBFSTOOL) $(obj)/coreboot.pre1 locate $(obj)/romstage.bin $(CONFIG_CBFS_PREFIX)/romstage $(CONFIG_XIP_ROM_SIZE) > $(obj)/location.txt
cat $(obj)/location.txt >> $(obj)/location.ld
printf ';\nAUTO_XIP_ROM_BASE = CONFIG_ROMBASE & ~(CONFIG_XIP_ROM_SIZE - 1);\n' >> $(obj)/location.ld
$(CC) -nostdlib -nostartfiles -static -o $(obj)/romstage.elf -L$(obj) -T $(obj)/romstage/ldscript.ld $(initobjs)
$(NM) -n $(obj)/romstage.elf | sort > $(obj)/romstage.map
$(OBJCOPY) -O binary $(obj)/romstage.elf $@
$(obj)/romstage/ldscript.ld: $$(ldscripts) $(obj)/ldoptions
@printf " GEN $(subst $(obj)/,,$(@))\n"
mkdir -p $(obj)/romstage
printf '$(foreach ldscript,ldoptions location.ld $(ldscripts),INCLUDE "$(ldscript:$(obj)/%=%)"\n)' > $@
$(obj)/romstage/crt0.S: $$(crt0s)
@printf " GEN $(subst $(obj)/,,$(@))\n"
mkdir -p $(obj)/romstage
printf '$(foreach crt0,config.h $(crt0s),#include "$(crt0:$(obj)/%=%)"\n)' > $@
$(obj)/mainboard/$(MAINBOARDDIR)/crt0.initobj.o: $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s
@printf " CC $(subst $(obj)/,,$(@))\n"
$(CC) -I$(obj) -Wa,-acdlns -c -o $@ $< > $(dir $@)/crt0.disasm
$(obj)/mainboard/$(MAINBOARDDIR)/crt0.s: $(obj)/romstage/crt0.S
@printf " CC $(subst $(obj)/,,$(@))\n"
$(CC) -x assembler-with-cpp -DASSEMBLY -E -I$(src)/include -I$(src)/arch/i386/include -I$(obj) -I$(obj)/romstage -include $(obj)/config.h -I. -I$(src) $< > $@.new && mv $@.new $@
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