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
|
#######################################################################
# Take care of subdirectories
subdirs-y += boot
subdirs-y += init
subdirs-y += lib
subdirs-y += smp
obj-$(CONFIG_HAVE_OPTION_TABLE) += ../../option_table.o
ifdef POST_EVALUATION
#######################################################################
# Build the final rom image
$(obj)/coreboot.rom: $(obj)/coreboot.bootblock $(obj)/coreboot_ram $(CBFSTOOL)
rm -f $@
$(CBFSTOOL) $@ create $(shell expr 1024 \* $(CONFIG_COREBOOT_ROMSIZE_KB)) $(obj)/coreboot.bootblock
if [ -f fallback/coreboot_apc ]; \
then \
$(CBFSTOOL) $@ add-stage fallback/coreboot_apc fallback/coreboot_apc $(CBFS_COMPRESS_FLAG); \
fi
$(CBFSTOOL) $@ add-stage $(obj)/coreboot_ram fallback/coreboot_ram $(CBFS_COMPRESS_FLAG)
ifeq ($(CONFIG_PAYLOAD_NONE),y)
@printf " PAYLOAD none (as specified by user)\n"
else
@printf " PAYLOAD $(CONFIG_FALLBACK_PAYLOAD_FILE) $(CBFS_PAYLOAD_COMPRESS_FLAG)\n"
$(CBFSTOOL) $(obj)/coreboot.rom add-payload $(CONFIG_FALLBACK_PAYLOAD_FILE) fallback/payload $(CBFS_PAYLOAD_COMPRESS_FLAG)
endif
ifeq ($(CONFIG_VGA_BIOS),y)
@printf " VGABIOS $(CONFIG_FALLBACK_VGA_BIOS_FILE) $(CONFIG_FALLBACK_VGA_BIOS_ID)\n"
$(CBFSTOOL) $(obj)/coreboot.rom add $(CONFIG_FALLBACK_VGA_BIOS_FILE) "pci$(CONFIG_FALLBACK_VGA_BIOS_ID).rom" optionrom
endif
@printf " CBFSPRINT $(subst $(obj)/,,$(@))\n\n"
$(CBFSTOOL) $(obj)/coreboot.rom print
#######################################################################
# Build the bootblock
$(obj)/coreboot.bootblock: $(obj)/coreboot
@printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
$(OBJCOPY) -O binary $< $@
$(obj)/ldscript.ld: $(ldscripts) $(obj)/ldoptions
printf 'INCLUDE "ldoptions"\n' > $@
printf '$(foreach ldscript,$(ldscripts),INCLUDE "$(ldscript:$(obj)/%=%)"\n)' >> $@
$(obj)/crt0_includes.h: $(crt0s)
printf '$(foreach crt0,config.h $(crt0s),#include "$(crt0:$(obj)/%=%)"\n)' > $@
$(obj)/mainboard/$(MAINBOARDDIR)/crt0.o: $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s
$(CC) -I$(obj) -Wa,-acdlns -c -o $@ $< > $(dir $@)/crt0.disasm
$(obj)/mainboard/$(MAINBOARDDIR)/crt0.s: $(src)/arch/i386/init/crt0.S.lb $(obj)/crt0_includes.h
$(CC) -x assembler-with-cpp -DASSEMBLY -E -I$(src)/include -I$(src)/arch/i386/include -I$(obj) -include $(obj)/config.h -I. -I$(src) $< > $@.new && mv $@.new $@
$(obj)/coreboot: $(initobjs) $(obj)/ldscript.ld
@printf " LINK $(subst $(obj)/,,$(@))\n"
$(CC) -nostdlib -nostartfiles -static -o $@ -L$(obj) -T $(obj)/ldscript.ld $(initobjs)
$(NM) -n $(obj)/coreboot | sort > $(obj)/coreboot.map
#######################################################################
# i386 specific tools
$(obj)/option_table.h $(obj)/option_table.c: $(obj)/build_opt_tbl $(top)/src/mainboard/$(MAINBOARDDIR)/cmos.layout
@printf " OPTION $(subst $(obj)/,,$(@))\n"
$(obj)/build_opt_tbl --config $(top)/src/mainboard/$(MAINBOARDDIR)/cmos.layout --header $(obj)/option_table.h --option $(obj)/option_table.c
$(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
@printf " HOSTCC $(subst $(obj)/,,$(@))\n"
$(HOSTCC) $(HOSTCFLAGS) -include $(obj)/config.h $< -o $@
#######################################################################
# Build the coreboot_ram (stage 2)
$(obj)/coreboot_ram: $(obj)/coreboot_ram.o $(src)/config/coreboot_ram.ld #ldoptions
@printf " CC $(subst $(obj)/,,$(@))\n"
$(CC) -nostdlib -nostartfiles -static -o $@ -L$(obj) -T $(src)/config/coreboot_ram.ld $(obj)/coreboot_ram.o
$(NM) -n $(obj)/coreboot_ram | sort > $(obj)/coreboot_ram.map
$(obj)/coreboot_ram.o: $(obj)/arch/i386/lib/c_start.o $(drivers) $(obj)/coreboot.a $(LIBGCC_FILE_NAME)
@printf " CC $(subst $(obj)/,,$(@))\n"
$(CC) -nostdlib -r -o $@ $(obj)/arch/i386/lib/c_start.o $(drivers) -Wl,-\( $(obj)/coreboot.a $(LIBGCC_FILE_NAME) -Wl,-\)
$(obj)/coreboot.a: $(objs)
@printf " AR $(subst $(obj)/,,$(@))\n"
rm -f $(obj)/coreboot.a
$(AR) cr $(obj)/coreboot.a $(objs)
#######################################################################
# done
endif
|
