src/arch/i386/Makefile.inc

   1 #######################################################################
   2 # Take care of subdirectories
   3 subdirs-y += boot
   4 subdirs-y += init
   5 subdirs-y += lib
   6 subdirs-y += smp
   7
   8 obj-y += ../../option_table.o
   9
  10 ifdef POST_EVALUATION
  11 #######################################################################
  12 # Build the final rom image
  13
  14 $(obj)/coreboot.rom: $(obj)/coreboot.bootblock $(obj)/coreboot_ram $(CBFSTOOL)
  15         $(Q)rm -f $@
  16         $(Q)$(CBFSTOOL) $@ create $(shell expr 1024 \* $(CONFIG_COREBOOT_ROMSIZE_KB)) 131072 $(obj)/coreboot.bootblock
  17         $(Q)$(CBFSTOOL) $@ add-stage  $(obj)/coreboot_ram normal/coreboot_ram $(CBFS_COMPRESS_FLAG)
  18         $(Q)if [ -f fallback/coreboot_apc ]; \
  19         then \
  20                 $(CBFSTOOL) $@ add-stage fallback/coreboot_apc fallback/coreboot_apc $(CBFS_COMPRESS_FLAG); \
  21         fi
  22         $(Q)$(CBFSTOOL) $@ add-stage  $(obj)/coreboot_ram fallback/coreboot_ram $(CBFS_COMPRESS_FLAG)
  23 ifeq ($(CONFIG_PAYLOAD_NONE),y)
  24         $(Q)printf "    PAYLOAD    none (as specified by user)\n"
  25 else
  26         printf "    PAYLOAD    $(CONFIG_FALLBACK_PAYLOAD_FILE) $(COMPRESSFLAG)\n"
  27         $(Q)$(CBFSTOOL) ./build/coreboot.rom add-payload $(CONFIG_FALLBACK_PAYLOAD_FILE)  fallback/payload $(CBFS_COMPRESS_FLAG)
  28         printf "    PAYLOAD    $(CONFIG_NORMAL_PAYLOAD_FILE) $(COMPRESSFLAG)\n"
  29         $(Q)$(CBFSTOOL) ./build/coreboot.rom add-payload $(CONFIG_NORMAL_PAYLOAD_FILE)  normal/payload $(CBFS_COMPRESS_FLAG)
  30         $(CBFSTOOL) ./build/coreboot.rom print
  31 endif
  32
  33
  34 #######################################################################
  35 # Build the bootblock
  36
  37 BOOTBLOCK_SIZE=65536
  38
  39 $(obj)/coreboot.bootblock: $(obj)/coreboot.strip
  40         $(Q)printf "    CREATE     $(subst $(obj)/,,$(@))\n"
  41         $(Q)dd if=$< of=$(obj)/coreboot.bootblock.one obs=$(BOOTBLOCK_SIZE) conv=sync
  42         $(Q)cat $(obj)/coreboot.bootblock.one $(obj)/coreboot.bootblock.one > $(obj)/coreboot.bootblock
  43
  44 $(obj)/coreboot.strip: $(obj)/coreboot
  45         $(Q)printf "    OBJCOPY    $(subst $(obj)/,,$(@))\n"
  46         $(Q)$(OBJCOPY) -O binary $< $@
  47
  48 $(obj)/ldscript.ld: $(ldscripts) $(obj)/ldoptions
  49         $(Q)printf 'INCLUDE "ldoptions"\n' > $@
  50         $(Q)printf '$(foreach ldscript,$(ldscripts),INCLUDE "$(ldscript)"\n)' >> $@
  51
  52 $(obj)/crt0_includes.h: $(crt0s)
  53         $(Q)printf '$(foreach crt0,$(obj)/config.h $(crt0s),#include "$(crt0)"\n)' > $@
  54
  55 $(obj)/mainboard/$(MAINBOARDDIR)/crt0.o: $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s
  56         $(CC) -I$(obj) -Wa,-acdlns -c -o $@ $<  > $(dir $@)/crt0.disasm
  57
  58 $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s: $(src)/arch/i386/init/crt0.S.lb $(obj)/crt0_includes.h
  59         $(CC) -x assembler-with-cpp -DASSEMBLY -E -I$(src)/include -I$(src)/arch/i386/include -I$(obj) -include $(obj)/config.h -I. -I$(src) $< > $@.new && mv $@.new $@
  60
  61 $(obj)/coreboot: $(initobjs) $(obj)/ldscript.ld
  62         $(Q)printf "    LINK       $(subst $(obj)/,,$(@))\n"
  63         $(Q)$(CC) -nostdlib -nostartfiles -static -o $@ -L$(obj) -T $(obj)/ldscript.ld $(initobjs)
  64         $(Q)$(NM) -n $(obj)/coreboot | sort > $(obj)/coreboot.map
  65
  66 #######################################################################
  67 # i386 specific tools
  68
  69 $(obj)/option_table.h $(obj)/option_table.c: $(obj)/build_opt_tbl $(top)/src/mainboard/$(MAINBOARDDIR)/cmos.layout
  70         $(Q)printf "    OPTION     $(subst $(obj)/,,$(@))\n"
  71         $(Q)$(obj)/build_opt_tbl --config $(top)/src/mainboard/$(MAINBOARDDIR)/cmos.layout --header $(obj)/option_table.h --option $(obj)/option_table.c
  72
  73 $(obj)/build_opt_tbl: $(top)/util/options/build_opt_tbl.c $(top)/src/include/pc80/mc146818rtc.h $(top)/src/include/boot/coreboot_tables.h
  74         $(Q)printf "    HOSTCC     $(subst $(obj)/,,$(@))\n"
  75         $(Q)$(HOSTCC) $(HOSTCFLAGS) -include $(obj)/config.h $< -o $@
  76
  77 #######################################################################
  78 # Build the coreboot_ram (stage 2)
  79
  80 $(obj)/coreboot_ram: $(obj)/coreboot_ram.o $(src)/config/coreboot_ram.ld #ldoptions
  81         $(Q)printf "    CC         $(subst $(obj)/,,$(@))\n"
  82         $(Q)$(CC) -nostdlib -nostartfiles -static -o $@ -L$(obj) -T $(src)/config/coreboot_ram.ld $(obj)/coreboot_ram.o
  83         $(Q)$(NM) -n $(obj)/coreboot_ram | sort > $(obj)/coreboot_ram.map
  84
  85 $(obj)/coreboot_ram.o: $(obj)/arch/i386/lib/c_start.o $(drivers) $(obj)/coreboot.a $(LIBGCC_FILE_NAME)
  86         $(Q)printf "    CC         $(subst $(obj)/,,$(@))\n"
  87         $(Q)$(CC) -nostdlib -r -o $@ $(obj)/arch/i386/lib/c_start.o $(drivers) -Wl,-\( $(obj)/coreboot.a $(LIBGCC_FILE_NAME) -Wl,-\)
  88
  89 $(obj)/coreboot.a: $(objs)
  90         $(Q)printf "    AR         $(subst $(obj)/,,$(@))\n"
  91         $(Q)rm -f $(obj)/coreboot.a
  92         $(Q)$(AR) cr $(obj)/coreboot.a $(objs)
  93
  94
  95 #######################################################################
  96 # done
  97
  98 endif