Enable user selectable bootblocks, and provide a bootblock that
[coreboot.git] / src / arch / i386 / Makefile.bootblock.inc
1 ifdef POST_EVALUATION
2
3 #######################################################################
4 # Build the final rom image
5
6 ifneq ($(CONFIG_UPDATE_IMAGE),y)
7 $(obj)/coreboot.pre1: $(obj)/coreboot.bootblock $(CBFSTOOL)
8         rm -f $@
9         $(CBFSTOOL) $@ create $(CONFIG_COREBOOT_ROMSIZE_KB)K $(obj)/coreboot.bootblock
10 else
11 $(obj)/coreboot.pre1: $(CBFSTOOL)
12         mv $(obj)/coreboot.rom $@
13 endif
14
15 $(obj)/coreboot.pre: $(obj)/coreboot.romstage $(obj)/coreboot.pre1 $(CBFSTOOL)
16         rm -f $@
17         cp $(obj)/coreboot.pre1 $@
18         $(CBFSTOOL) $@ add-stage $(obj)/romstage.elf $(CONFIG_CBFS_PREFIX)/romstage x 0x$(shell cat $(obj)/location.txt)
19 #FIXME: location.txt might require an offset of header size
20
21 #######################################################################
22 # Build the bootblock
23
24 $(obj)/coreboot.bootblock: $(obj)/bootblock.elf
25         @printf "    OBJCOPY    $(subst $(obj)/,,$(@))\n"
26         $(OBJCOPY) -O binary $< $@
27
28 bootblock_lds := $(src)/arch/i386/init/ldscript_failover.lb
29 bootblock_lds += $(src)/cpu/x86/16bit/entry16.lds
30 bootblock_lds += $(src)/cpu/x86/16bit/reset16.lds
31 bootblock_lds += $(src)/arch/i386/lib/id.lds
32 bootblock_lds += $(chipset_bootblock_lds)
33
34 bootblock_inc := $(src)/arch/i386/init/bootblock_prologue.c
35 bootblock_inc += $(src)/cpu/x86/16bit/entry16.inc
36 bootblock_inc += $(src)/cpu/x86/16bit/reset16.inc
37 bootblock_inc += $(src)/cpu/x86/32bit/entry32.inc
38 bootblock_inc += $(src)/arch/i386/lib/id.inc
39 bootblock_inc += $(chipset_bootblock_inc)
40
41 ifeq ($(CONFIG_SSE),y)
42 bootblock_inc += $(src)/cpu/x86/sse_enable.inc
43 endif
44 bootblock_inc += $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.inc
45 bootblock_inc += $(src)/arch/i386/lib/walkcbfs.S
46
47 bootblock_romccflags := -mcpu=i386
48 ifeq ($(CONFIG_SSE),y)
49 bootblock_romccflags := -mcpu=k7 -msse
50 endif
51
52 $(obj)/bootblock/ldscript.ld: $(bootblock_ldscripts) $(obj)/ldoptions
53         mkdir -p $(obj)/bootblock
54         printf '$(foreach ldscript,ldoptions $(bootblock_lds),INCLUDE "$(ldscript)"\n)' > $@
55
56 $(obj)/bootblock/bootblock.c: $(bootblock_inc)
57         mkdir -p $(obj)/bootblock
58         printf '$(foreach crt0,config.h $(bootblock_inc),#include "$(crt0)"\n)' > $@
59
60 $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.o: $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.s
61         $(CC) -I$(obj) -Wa,-acdlns -c -o $@ $<  > $(dir $@)/crt0.disasm
62
63 $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.s: $(obj)/bootblock/bootblock.c
64         $(CC) -x assembler-with-cpp -DASSEMBLY -E -I$(src)/include -I$(src)/arch/i386/include -I$(obj) -I$(obj)/bootblock -include $(obj)/config.h -I. -I$(src) $< > $@.new && mv $@.new $@
65
66 $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.inc: $(src)/arch/i386/init/$(subst ",,$(CONFIG_BOOTBLOCK_SOURCE)) $(obj)/romcc
67         $(obj)/romcc $(bootblock_romccflags) -O2 $(ROMCCFLAGS) $(INCLUDES) $< -o $@
68
69 $(obj)/bootblock.elf: $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.o $(obj)/bootblock/ldscript.ld
70         @printf "    LINK       $(subst $(obj)/,,$(@))\n"
71         $(CC) -nostdlib -nostartfiles -static -o $@ -L$(obj) -T $(obj)/bootblock/ldscript.ld $<
72         $(NM) -n $(obj)/bootblock.elf | sort > $(obj)/bootblock.map
73
74 #######################################################################
75 # Build the romstage
76 $(obj)/coreboot.romstage: $(obj)/coreboot.pre1 $(initobjs) $(obj)/romstage/ldscript.ld
77         @printf "    LINK       $(subst $(obj)/,,$(@))\n"
78         printf "CONFIG_ROMBASE = 0x0;\nAUTO_XIP_ROM_BASE = 0x0;\n" > $(obj)/location.ld
79         $(CC) -nostdlib -nostartfiles -static -o $(obj)/romstage.elf -L$(obj) -T $(obj)/romstage/ldscript.ld $(initobjs)
80         $(OBJCOPY) -O binary $(obj)/romstage.elf $(obj)/romstage.bin
81         printf "CONFIG_ROMBASE = 0x" > $(obj)/location.ld
82         $(CBFSTOOL) $(obj)/coreboot.pre1 locate $(obj)/romstage.bin $(CONFIG_CBFS_PREFIX)/romstage $(CONFIG_XIP_ROM_SIZE) > $(obj)/location.txt
83         cat $(obj)/location.txt >> $(obj)/location.ld
84         printf ';\nAUTO_XIP_ROM_BASE = CONFIG_ROMBASE & ~(CONFIG_XIP_ROM_SIZE - 1);\n' >> $(obj)/location.ld
85         $(CC) -nostdlib -nostartfiles -static -o $(obj)/romstage.elf -L$(obj) -T $(obj)/romstage/ldscript.ld $(initobjs)
86         $(NM) -n $(obj)/romstage.elf | sort > $(obj)/romstage.map
87         $(OBJCOPY) -O binary $(obj)/romstage.elf $@
88
89 $(obj)/romstage/ldscript.ld: $(ldscripts) $(obj)/ldoptions
90         mkdir -p $(obj)/romstage
91         printf '$(foreach ldscript,ldoptions location.ld $(ldscripts),INCLUDE "$(ldscript:$(obj)/%=%)"\n)' > $@
92
93 $(obj)/romstage/crt0_includes.h: $(crt0s)
94         @printf "    GEN        $(subst $(obj)/,,$(@))\n"
95         mkdir -p $(obj)/romstage
96         printf '$(foreach crt0,config.h $(crt0s),#include "$(crt0:$(obj)/%=%)"\n)' > $@
97
98 $(obj)/mainboard/$(MAINBOARDDIR)/crt0.initobj.o: $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s
99         $(CC) -I$(obj) -Wa,-acdlns -c -o $@ $<  > $(dir $@)/crt0.disasm
100
101 $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s: $(src)/arch/i386/init/crt0.S.lb $(obj)/romstage/crt0_includes.h
102         $(CC) -x assembler-with-cpp -DASSEMBLY -E -I$(src)/include -I$(src)/arch/i386/include -I$(obj) -I$(obj)/romstage -include $(obj)/config.h -I. -I$(src) $< > $@.new && mv $@.new $@
103
104 endif