memdisk/Makefile

   1 ## -----------------------------------------------------------------------
   2 ##
   3 ##   Copyright 2001-2008 H. Peter Anvin - All Rights Reserved
   4 ##
   5 ##   This program is free software; you can redistribute it and/or modify
   6 ##   it under the terms of the GNU General Public License as published by
   7 ##   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
   8 ##   Boston MA 02111-1307, USA; either version 2 of the License, or
   9 ##   (at your option) any later version; incorporated herein by reference.
  10 ##
  11 ## -----------------------------------------------------------------------
  12
  13 topdir = ..
  14 include $(topdir)/MCONFIG.embedded
  15 -include $(topdir)/version.mk
  16
  17 CFLAGS   = $(GCCOPT) -g -W -Wall -Wno-sign-compare -DDATE='"$(DATE)"'
  18 SFLAGS   = $(GCCOPT) -D__ASSEMBLY__
  19 LDFLAGS  = $(GCCOPT) -g
  20 INCLUDE  = -I$(topdir)/com32/include
  21 NASM     = nasm
  22 NASMOPT  = -O9999
  23 NFLAGS   = -dDATE='"$(DATE)"' -dWITH_EDD
  24 NINCLUDE =
  25
  26 SRCS     = $(wildcard *.asm *.c *.h)
  27
  28 # The DATE is set on the make command line when building binaries for
  29 # official release.  Otherwise, substitute a hex string that is pretty much
  30 # guaranteed to be unique to be unique from build to build.
  31 ifndef HEXDATE
  32 HEXDATE := $(shell $(PERL) ../now.pl $(SRCS))
  33 endif
  34 ifndef DATE
  35 DATE    := $(shell sh ../gen-id.sh $(VERSION) $(HEXDATE))
  36 endif
  37
  38 # Important: init.o16 must be first!!
  39 OBJS16   = init.o16 init32.o
  40 OBJS32   = start32.o setup.o msetup.o e820func.o conio.o memcpy.o memset.o \
  41            unzip.o memdisk.o
  42
  43 CSRC     = setup.c msetup.c e820func.c conio.c unzip.c
  44 SSRC     = start32.S memcpy.S memset.S
  45 NASMSRC  = memdisk.asm memdisk16.asm
  46
  47 all: memdisk # e820test
  48
  49 # tidy, clean removes everything except the final binary
  50 tidy dist:
  51         rm -f *.o *.s *.tmp *.o16 *.s16 *.bin *.lst *.elf e820test
  52
  53 clean: tidy
  54
  55 # spotless also removes the product binary
  56 spotless: clean
  57         rm -f memdisk .depend
  58
  59 %.o: %.asm
  60         $(NASM) $(NASMOPT) $(NFLAGS) $(NINCLUDE) -f elf -l $*.lst -o $@ $<
  61
  62 %.o: %.s
  63         $(CC) $(SFLAGS) -c -o $@ $<
  64
  65 %.o: %.S
  66         $(CC) $(INCLUDE) $(SFLAGS) -c -o $@ $<
  67
  68 %.o16: %.s16
  69         $(CC) $(SFLAGS) -x assembler -c -o $@ $<
  70
  71 %.o: %.c
  72         $(CC) $(INCLUDE) $(CFLAGS) -c -o $@ $<
  73
  74 %.s16: %.s
  75         echo '.code16gcc' | cat - $< > $@
  76
  77 %.s: %.S
  78         $(CC) $(INCLUDE) $(SFLAGS) -E -o $@ $<
  79
  80 %.s16: %.S16
  81         $(CC) $(INCLUDE) $(SFLAGS) -x assembler-with-cpp -E -o $@ $<
  82
  83 %.s: %.c
  84         $(CC) $(INCLUDE) $(CFLAGS) -S -o $@ $<
  85
  86 %.i: %.c
  87         $(CC) $(INCLUDE) $(CFLAGS) -E -o $@ $<
  88
  89 # Cancel default rule
  90 %.o: %.c
  91
  92 %.bin: %.asm
  93         $(NASM) -f bin $(NASMOPT) $(NFLAGS) $(NINCLUDE) -o $@ -l $*.lst $<
  94
  95 memdisk16.elf: $(OBJS16)
  96         $(LD) -Ttext 0 -o $@ $^
  97
  98 memdisk32.elf: $(OBJS32)
  99         $(LD) -Ttext 0x100000 -o $@ $^
 100
 101 %.bin: %.elf
 102         $(OBJCOPY) -O binary $< $@
 103
 104 memdisk: memdisk16.bin memdisk32.bin postprocess.pl
 105         $(PERL) postprocess.pl $@ memdisk16.bin memdisk32.bin
 106
 107 e820test: e820func.o msetup.o e820test.o memdisk.o
 108         $(CC) $(LDFLAGS) -o $@ $^
 109
 110 memdisk.o: memdisk.bin
 111         $(LD) -r -b binary -o $@ $<
 112
 113 .depend:
 114         rm -f .depend
 115         for csrc in *.c ; do $(CC) $(INCLUDE) $(CFLAGS) -MM $$csrc >> .depend ; done
 116         for ssrc in *.S ; do $(CC) $(INCLUDE) $(SFLAGS) -MM $$ssrc >> .depend ; done
 117         for nsrc in $(NASMSRC) ; do $(NASM) -DDEPEND $(NINCLUDE) -o `echo $$nsrc | sed -e 's/\.asm/\.bin/'` -M $$nsrc >> .depend ; done
 118
 119 depend:
 120         rm -f .depend
 121         $(MAKE) .depend
 122
 123 # This file contains the version number, so add a dependency for it
 124 setup.s: ../version
 125
 126 # Include dependencies file
 127 include .depend