sys/boot/pc32/boot0/Makefile

   1 # $FreeBSD: src/sys/boot/i386/boot0/Makefile,v 1.17 2002/09/17 01:48:54 peter Exp $
   2 # $DragonFly: src/sys/boot/pc32/boot0/Makefile,v 1.6 2008/07/06 17:17:01 mneumann Exp $
   3
   4 PROG?=          boot0
   5 NOMAN=
   6 STRIP=
   7 BINDIR?=        /boot
   8 BINMODE=        444
   9
  10 NXCFLAGS=
  11 NXLDFLAGS=
  12
  13 .PATH: ${.CURDIR}/..
  14
  15 # The default set of flags compiled into boot0.  This enables update (writing
  16 # the modified boot0 back to disk after running so that the selection made is
  17 # saved), packet mode (detect and use the BIOS EDD extensions if we try to
  18 # boot past the 1024 cylinder limit), and booting from all valid slices.
  19 BOOT_BOOT0_FLAGS?=      0x8f
  20
  21 # The number of timer ticks to wait for a keypress before assuming the default
  22 # selection.  Since there are 18.2 ticks per second, the default value of
  23 # 0xb6 (182d) corresponds to 10 seconds.
  24 BOOT_BOOT0_TICKS?=      0xb6
  25
  26 # Comm settings for boot0sio.
  27 # Bit(s) Description
  28 # 7-5    data rate (110,150,300,600,1200,2400,4800,9600 bps)
  29 # 4-3    parity (00 or 10 = none, 01 = odd, 11 = even)
  30 # 2      stop bits (set = 2, clear = 1)
  31 # 1-0    data bits (00 = 5, 01 = 6, 10 = 7, 11 = 8)
  32 .if !defined(BOOT_BOOT0_COMCONSOLE_SPEED)
  33 BOOT_COMCONSOLE_SPEED?= 9600
  34 .if ${BOOT_COMCONSOLE_SPEED} == 9600
  35 BOOT_BOOT0_COMCONSOLE_SPEED=    "7 << 5 + 3"
  36 .elif ${BOOT_COMCONSOLE_SPEED} == 4800
  37 BOOT_BOOT0_COMCONSOLE_SPEED=    "6 << 5 + 3"
  38 .elif ${BOOT_COMCONSOLE_SPEED} == 2400
  39 BOOT_BOOT0_COMCONSOLE_SPEED=    "5 << 5 + 3"
  40 .elif ${BOOT_COMCONSOLE_SPEED} == 1200
  41 BOOT_BOOT0_COMCONSOLE_SPEED=    "4 << 5 + 3"
  42 .elif ${BOOT_COMCONSOLE_SPEED} == 600
  43 BOOT_BOOT0_COMCONSOLE_SPEED=    "3 << 5 + 3"
  44 .elif ${BOOT_COMCONSOLE_SPEED} == 300
  45 BOOT_BOOT0_COMCONSOLE_SPEED=    "2 << 5 + 3"
  46 .elif ${BOOT_COMCONSOLE_SPEED} == 150
  47 BOOT_BOOT0_COMCONSOLE_SPEED=    "1 << 5 + 3"
  48 .elif ${BOOT_COMCONSOLE_SPEED} == 110
  49 BOOT_BOOT0_COMCONSOLE_SPEED=    "0 << 5 + 3"
  50 .else
  51 BOOT_BOOT0_COMCONSOLE_SPEED=    "7 << 5 + 3"
  52 .endif
  53 .endif
  54
  55 CFLAGS+=-DFLAGS=${BOOT_BOOT0_FLAGS} \
  56         -DTICKS=${BOOT_BOOT0_TICKS} \
  57         -DCOMSPEED=${BOOT_BOOT0_COMCONSOLE_SPEED}
  58
  59 # pull BOOT0_ORIGIN out of bootasm.h
  60 #
  61 #
  62 ${PROG}: boot0.o bootasmdef.nx
  63         @echo "boot0 origin set to `${.OBJDIR}/bootasmdef.nx BOOT0_ORIGIN`"
  64         ${LD} ${LDFLAGS} -N -e start -Ttext `${.OBJDIR}/bootasmdef.nx BOOT0_ORIGIN` -o boot0.out boot0.o
  65         objcopy -S -O binary boot0.out ${.TARGET}
  66
  67 boot0.o: boot0.S
  68         ${CC} -c ${CFLAGS} ${.IMPSRC} -o ${.TARGET}
  69
  70 CLEANFILES+= boot0.out boot0.o bootasmdef.nx
  71
  72 .include <bsd.prog.mk>