sys/boot/pc98/boot2/Makefile

   1 # $FreeBSD$
   2
   3 .include <bsd.own.mk>
   4
   5 FILES=          boot boot1 boot2
   6
   7 NM?=            nm
   8
   9 BOOT_COMCONSOLE_PORT?= 0x238
  10 BOOT_COMCONSOLE_SPEED?= 9600
  11 B2SIOFMT?=      0x3
  12
  13 REL1=   0x700
  14 ORG1=   0
  15 ORG2=   0x2000
  16
  17 # Decide level of UFS support.
  18 BOOT2_UFS?=     UFS1_AND_UFS2
  19 #BOOT2_UFS?=    UFS2_ONLY
  20 #BOOT2_UFS?=    UFS1_ONLY
  21
  22 CFLAGS= -Os \
  23         -fomit-frame-pointer \
  24         -mrtd \
  25         -mregparm=3 \
  26         -D${BOOT2_UFS} \
  27         -DFLAGS=${BOOT_BOOT1_FLAGS} \
  28         -DSIOPRT=${BOOT_COMCONSOLE_PORT} \
  29         -DSIOFMT=${B2SIOFMT} \
  30         -DSIOSPD=${BOOT_COMCONSOLE_SPEED} \
  31         -I${.CURDIR}/../../.. \
  32         -I${.CURDIR}/../../i386/boot2 \
  33         -I${.CURDIR}/../../common \
  34         -I${.CURDIR}/../btx/lib -I. \
  35         -Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
  36         -Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
  37         -Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \
  38         -Winline \
  39         ${CLANG_OPT_SMALL}
  40
  41 CFLAGS.gcc+=    -fno-guess-branch-probability \
  42                 -fno-unit-at-a-time \
  43                 -mno-align-long-strings \
  44                 --param max-inline-insns-single=100
  45
  46 # Set machine type to PC98_SYSTEM_PARAMETER
  47 #CFLAGS+=       -DSET_MACHINE_TYPE
  48
  49 # Initialize the bi_bios_geom using the BIOS geometry
  50 #CFLAGS+=       -DGET_BIOSGEOM
  51
  52 LD_FLAGS=-static -N --gc-sections
  53
  54 # Pick up ../Makefile.inc early.
  55 .include <bsd.init.mk>
  56
  57 .PATH:  ${.CURDIR}/../../i386/boot2
  58
  59 CLEANFILES=     boot
  60
  61 boot: boot1 boot2
  62         cat boot1 boot2 > boot
  63
  64 CLEANFILES+=    boot1 boot1.out boot1.o
  65
  66 boot1: boot1.out
  67         objcopy -S -O binary boot1.out ${.TARGET}
  68
  69 boot1.out: boot1.o
  70         ${LD} ${LD_FLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} boot1.o
  71
  72 CLEANFILES+=    boot2 boot2.ld boot2.ldr boot2.bin boot2.out boot2.o \
  73                 boot2.s boot2.s.tmp boot2.h sio.o
  74
  75 boot2: boot2.ld
  76         @set -- `ls -l boot2.ld`; x=$$((7680-$$5)); \
  77             echo "$$x bytes available"; test $$x -ge 0
  78         dd if=boot2.ld of=${.TARGET} obs=7680 conv=osync
  79
  80 boot2.ld: boot2.ldr boot2.bin ${BTXKERN}
  81         btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l boot2.ldr \
  82             -o ${.TARGET} -P 1 boot2.bin
  83
  84 boot2.ldr:
  85         dd if=/dev/zero of=${.TARGET} bs=276 count=1
  86
  87 boot2.bin: boot2.out
  88         objcopy -S -O binary boot2.out ${.TARGET}
  89
  90 boot2.out: ${BTXCRT} boot2.o sio.o
  91         ${LD} ${LD_FLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC}
  92
  93 boot2.o: boot2.s
  94
  95 SRCS=   boot2.c boot2.h
  96
  97 boot2.s: boot2.c boot2.h ${.CURDIR}/../../common/ufsread.c
  98         ${CC} ${CFLAGS} -S -o boot2.s.tmp ${.CURDIR}/boot2.c
  99         sed -e '/align/d' -e '/nop/d' < boot2.s.tmp > boot2.s
 100         rm -f boot2.s.tmp
 101
 102 boot2.h: boot1.out
 103         ${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T (read|putc)/ \
 104             { x = $$1 - ORG1; \
 105             printf("#define %sORG %#x\n", toupper($$3), REL1 + x) }' \
 106             ORG1=`printf "%d" ${ORG1}` \
 107             REL1=`printf "%d" ${REL1}` > ${.TARGET}
 108
 109 .include <bsd.prog.mk>
 110
 111 # XXX: clang integrated-as doesn't grok .codeNN directives yet
 112 CFLAGS.boot1.S=         ${CLANG_NO_IAS}
 113 CFLAGS+=                ${CFLAGS.${.IMPSRC:T}}