3 #######################################################################
4 # Build the final rom image
6 $(obj)/coreboot.pre1: $(obj)/coreboot.bootblock $(CBFSTOOL)
8 $(CBFSTOOL) $@ create $(CONFIG_COREBOOT_ROMSIZE_KB)K $(obj)/coreboot.bootblock
10 $(obj)/coreboot.pre: $(obj)/coreboot.romstage $(obj)/coreboot.pre1 $(CBFSTOOL)
12 cp $(obj)/coreboot.pre1 $@
13 $(CBFSTOOL) $@ add-stage $(obj)/romstage.elf fallback/romstage x 0x$(shell cat $(obj)/location.txt)
14 #FIXME: location.txt might require an offset of header size
16 #######################################################################
19 $(obj)/coreboot.bootblock: $(obj)/bootblock.elf
20 @printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
21 $(OBJCOPY) -O binary $< $@
23 bootblock_lds := $(src)/arch/i386/init/ldscript_failover.lb
24 bootblock_lds += $(src)/cpu/x86/16bit/entry16.lds
25 bootblock_lds += $(src)/cpu/x86/16bit/reset16.lds
26 bootblock_lds += $(src)/arch/i386/lib/id.lds
28 bootblock_inc := $(src)/arch/i386/init/bootblock_prologue.c
29 bootblock_inc += $(src)/cpu/x86/16bit/entry16.inc
30 bootblock_inc += $(src)/cpu/x86/16bit/reset16.inc
31 bootblock_inc += $(src)/cpu/x86/32bit/entry32.inc
32 bootblock_inc += $(src)/arch/i386/lib/id.inc
33 ifeq ($(CONFIG_SSE),y)
34 bootblock_inc += $(src)/cpu/x86/sse_enable.inc
36 bootblock_inc += $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.inc
37 bootblock_inc += $(src)/arch/i386/lib/walkcbfs.S
39 bootblock_romccflags := -mcpu=i386
40 ifeq ($(CONFIG_SSE),y)
41 bootblock_romccflags := -mcpu=k7 -msse
44 $(obj)/bootblock/ldscript.ld: $(bootblock_ldscripts) $(obj)/ldoptions
45 mkdir -p $(obj)/bootblock
46 printf '$(foreach ldscript,ldoptions $(bootblock_lds),INCLUDE "$(ldscript)"\n)' > $@
48 $(obj)/bootblock/bootblock.c: $(bootblock_inc)
49 mkdir -p $(obj)/bootblock
50 printf '$(foreach crt0,config.h $(bootblock_inc),#include "$(crt0)"\n)' > $@
52 $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.o: $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.s
53 $(CC) -I$(obj) -Wa,-acdlns -c -o $@ $< > $(dir $@)/crt0.disasm
55 $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.s: $(obj)/bootblock/bootblock.c
56 $(CC) -x assembler-with-cpp -DASSEMBLY -E -I$(src)/include -I$(src)/arch/i386/include -I$(obj) -I$(obj)/bootblock -include $(obj)/config.h -I. -I$(src) $< > $@.new && mv $@.new $@
58 $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.inc: $(obj)/romcc $(src)/arch/i386/init/bootblock.c
59 $(obj)/romcc $(bootblock_romccflags) -O2 $(ROMCCFLAGS) $(INCLUDES) $(src)/arch/i386/init/bootblock.c -o $@
61 $(obj)/bootblock.elf: $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.o $(obj)/bootblock/ldscript.ld
62 @printf " LINK $(subst $(obj)/,,$(@))\n"
63 $(CC) -nostdlib -nostartfiles -static -o $@ -L$(obj) -T $(obj)/bootblock/ldscript.ld $<
64 $(NM) -n $(obj)/bootblock.elf | sort > $(obj)/bootblock.map
66 #######################################################################
68 $(obj)/coreboot.romstage: $(obj)/coreboot.pre1 $(initobjs) $(obj)/romstage/ldscript.ld
69 @printf " LINK $(subst $(obj)/,,$(@))\n"
70 printf "CONFIG_ROMBASE = 0x0;\nAUTO_XIP_ROM_BASE = 0x0;\n" > $(obj)/location.ld
71 $(CC) -nostdlib -nostartfiles -static -o $(obj)/romstage.elf -L$(obj) -T $(obj)/romstage/ldscript.ld $(initobjs)
72 $(OBJCOPY) -O binary $(obj)/romstage.elf $(obj)/romstage.bin
73 printf "CONFIG_ROMBASE = 0x" > $(obj)/location.ld
74 $(CBFSTOOL) $(obj)/coreboot.pre1 locate $(obj)/romstage.bin fallback/romstage $(CONFIG_XIP_ROM_SIZE) > $(obj)/location.txt
75 cat $(obj)/location.txt >> $(obj)/location.ld
76 printf ';\nAUTO_XIP_ROM_BASE = CONFIG_ROMBASE & ~(CONFIG_XIP_ROM_SIZE - 1);\n' >> $(obj)/location.ld
77 $(CC) -nostdlib -nostartfiles -static -o $(obj)/romstage.elf -L$(obj) -T $(obj)/romstage/ldscript.ld $(initobjs)
78 $(NM) -n $(obj)/romstage.elf | sort > $(obj)/romstage.map
79 $(OBJCOPY) -O binary $(obj)/romstage.elf $@
81 $(obj)/romstage/ldscript.ld: $(ldscripts) $(obj)/ldoptions
82 mkdir -p $(obj)/romstage
83 printf '$(foreach ldscript,ldoptions location.ld $(ldscripts),INCLUDE "$(ldscript:$(obj)/%=%)"\n)' > $@
85 $(obj)/romstage/crt0_includes.h: $(crt0s)
86 mkdir -p $(obj)/romstage
87 printf '$(foreach crt0,config.h $(crt0s),#include "$(crt0:$(obj)/%=%)"\n)' > $@
89 $(obj)/mainboard/$(MAINBOARDDIR)/crt0.o: $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s
90 $(CC) -I$(obj) -Wa,-acdlns -c -o $@ $< > $(dir $@)/crt0.disasm
92 $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s: $(src)/arch/i386/init/crt0.S.lb $(obj)/romstage/crt0_includes.h
93 $(CC) -x assembler-with-cpp -DASSEMBLY -E -I$(src)/include -I$(src)/arch/i386/include -I$(obj) -I$(obj)/romstage -include $(obj)/config.h -I. -I$(src) $< > $@.new && mv $@.new $@