sys/arch/i386/stand/boot/Makefile.boot

   1 # $NetBSD: Makefile.boot,v 1.41 2009/11/18 20:33:39 dsl Exp $
   2
   3 S=      ${.CURDIR}/../../../../..
   4
   5 NOMAN=
   6 PROG?= boot
   7 NEWVERSWHAT?= "BIOS Boot"
   8 VERSIONFILE?= ${.CURDIR}/../version
   9
  10 SOURCES?= biosboot.S boot2.c conf.c devopen.c exec.c
  11 SRCS= ${SOURCES}
  12 .if !make(depend)
  13 SRCS+= vers.c
  14 .endif
  15
  16 PIE_CFLAGS=
  17 PIE_AFLAGS=
  18 PIE_LDFLAGS=
  19
  20 .include <bsd.own.mk>
  21
  22 STRIPFLAG=      # nothing
  23
  24 LIBCRT0=        # nothing
  25 LIBCRTBEGIN=    # nothing
  26 LIBCRTEND=      # nothing
  27 LIBC=           # nothing
  28
  29 BINDIR=/usr/mdec
  30 BINMODE=444
  31
  32 .PATH:  ${.CURDIR}/.. ${.CURDIR}/../../lib
  33
  34 LDFLAGS+= -nostdlib -Wl,-N -Wl,-e,boot_start
  35 # CPPFLAGS+= -D__daddr_t=int32_t
  36 CPPFLAGS+= -I ${.CURDIR}/..  -I ${.CURDIR}/../../lib -I ${S}/lib/libsa
  37 CPPFLAGS+= -I ${.OBJDIR}
  38 #CPPFLAGS+= -DDEBUG_MEMSIZE
  39 #CPPFLAGS+= -DBOOT_MSG_COM0
  40 # Make sure we override any optimization options specified by the user
  41 COPTS=  -Os
  42
  43 .if defined(HAVE_GCC)
  44 .if ${MACHINE_ARCH} == "x86_64"
  45 LDFLAGS+=  -Wl,-m,elf_i386
  46 AFLAGS+=   -m32
  47 CPUFLAGS=  -m32
  48 LIBKERN_ARCH=i386
  49 KERNMISCMAKEFLAGS="LIBKERN_ARCH=i386"
  50 .else
  51 .if ${HAVE_GCC} == 3
  52 CPUFLAGS=  -mcpu=i386
  53 .else
  54 CPUFLAGS=  -march=i386 -mtune=i386
  55 .endif
  56 .endif
  57 .endif
  58
  59 COPTS+=    -ffreestanding
  60 CFLAGS+= -Wall -Wmissing-prototypes -Wstrict-prototypes
  61 CPPFLAGS+= -nostdinc -D_STANDALONE
  62 CPPFLAGS+= -I$S
  63
  64 CPPFLAGS+= -DSUPPORT_PS2
  65 CPPFLAGS+= -DDIRECT_SERIAL
  66 CPPFLAGS+= -DSUPPORT_SERIAL=boot_params.bp_consdev
  67
  68 CPPFLAGS+= -DCONSPEED=boot_params.bp_conspeed
  69 CPPFLAGS+= -DCONSADDR=boot_params.bp_consaddr
  70 CPPFLAGS+= -DCONSOLE_KEYMAP=boot_params.bp_keymap
  71
  72 CPPFLAGS+= -DSUPPORT_CD9660
  73 CPPFLAGS+= -DSUPPORT_USTARFS
  74 CPPFLAGS+= -DSUPPORT_DOSFS
  75 #CPPFLAGS+= -DSUPPORT_EXT2FS
  76 CPPFLAGS+= -DPASS_BIOSGEOM
  77 CPPFLAGS+= -DPASS_MEMMAP
  78 #CPPFLAGS+= -DBOOTPASSWD
  79 CPPFLAGS+= -DEPIA_HACK
  80
  81 # The biosboot code is linked to 'virtual' address of zero and is
  82 # loaded at physical address 0x10000.
  83 # XXX The heap values should be determined from _end.
  84 SAMISCCPPFLAGS+= -DHEAP_START=0x30000 -DHEAP_LIMIT=0x50000
  85 SAMISCMAKEFLAGS+= SA_USE_CREAD=yes      # Read compressed kernels
  86 SAMISCMAKEFLAGS+= SA_INCLUDE_NET=no     # Netboot via TFTP, NFS
  87
  88 .if (defined(HAVE_GCC) && ${HAVE_GCC} == 4) || defined(HAVE_PCC)
  89 CPPFLAGS+=      -Wno-pointer-sign
  90 .endif
  91
  92 # CPPFLAGS+= -DBOOTXX_RAID1_SUPPORT
  93
  94 I386_STAND_DIR?= $S/arch/i386/stand
  95
  96 CLEANFILES+= machine x86
  97
  98 .if !make(obj) && !make(clean) && !make(cleandir)
  99 .BEGIN:
 100         -rm -f machine && ln -s $S/arch/i386/include machine
 101         -rm -f x86 && ln -s $S/arch/x86/include x86
 102 .ifdef LIBOBJ
 103         -rm -f lib && ln -s ${LIBOBJ}/lib lib
 104         mkdir -p ${LIBOBJ}/lib
 105 .endif
 106 .endif
 107
 108 ### find out what to use for libi386
 109 I386DIR= ${I386_STAND_DIR}/lib
 110 .include "${I386DIR}/Makefile.inc"
 111 LIBI386= ${I386LIB}
 112
 113 ### find out what to use for libsa
 114 SA_AS= library
 115 SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
 116 .include "${S}/lib/libsa/Makefile.inc"
 117 LIBSA= ${SALIB}
 118
 119 ### find out what to use for libkern
 120 KERN_AS= library
 121 .include "${S}/lib/libkern/Makefile.inc"
 122 LIBKERN= ${KERNLIB}
 123
 124 ### find out what to use for libz
 125 Z_AS= library
 126 .include "${S}/lib/libz/Makefile.inc"
 127 LIBZ= ${ZLIB}
 128
 129
 130 cleandir distclean: cleanlibdir
 131
 132 cleanlibdir:
 133         -rm -rf lib
 134
 135 LIBLIST= ${LIBI386} ${LIBSA} ${LIBZ} ${LIBKERN} ${LIBI386} ${LIBSA}
 136 # LIBLIST= ${LIBSA} ${LIBKERN} ${LIBI386} ${LIBSA} ${LIBZ} ${LIBKERN}
 137
 138 CLEANFILES+= ${PROG}.tmp ${PROG}.map vers.c
 139
 140 vers.c: ${VERSIONFILE} ${SOURCES} ${LIBLIST} ${.CURDIR}/../Makefile.boot
 141         ${HOST_SH} ${S}/conf/newvers_stand.sh -DM ${VERSIONFILE} x86 ${NEWVERSWHAT}
 142
 143 # Anything that calls 'real_to_prot' must have a %pc < 0x10000.
 144 # We link the program, find the callers (all in libi386), then
 145 # explicitly pull in the required objects before any other library code.
 146 ${PROG}: ${OBJS} ${LIBLIST} ${.CURDIR}/../Makefile.boot
 147         ${_MKTARGET_LINK}
 148         bb="$$( ${CC} -o ${PROG}.syms ${LDFLAGS} -Wl,-Ttext,0 -Wl,-cref \
 149             ${OBJS} ${LIBLIST} | ( \
 150                 while read symbol file; do \
 151                         [ -z "$$file" ] && continue; \
 152                         [ "$$symbol" = real_to_prot ] && break; \
 153                 done; \
 154                 while \
 155                         oifs="$$IFS"; \
 156                         IFS='()'; \
 157                         set -- $$file; \
 158                         IFS="$$oifs"; \
 159                         [ -n "$$2" ] && echo "${I386DST}/$$2"; \
 160                         read file rest && [ -z "$$rest" ]; \
 161                 do :; \
 162                 done; \
 163         ) )"; \
 164         ${CC} -o ${PROG}.syms ${LDFLAGS} -Wl,-Ttext,0 \
 165                 -Wl,-Map,${PROG}.map -Wl,-cref ${OBJS} $$bb ${LIBLIST}
 166         ${OBJCOPY} -O binary ${PROG}.syms ${PROG}
 167
 168 .include <bsd.prog.mk>