#	$Id: Makefile,v 1.4 1996/10/23 07:24:27 asami Exp $
#

PROG=	boot
# Order is very important on the SRCS line for this prog
SRCS=	start.S table.c boot2.S boot.c asm.S bios.S serial.S
SRCS+=	probe_keyboard.c io.c disk.c sys.c

BINDIR=		/usr/mdec
BINMODE=	444
CFLAGS=		-O2 -malign-functions=0 -malign-jumps=0 -malign-loops=0 \
		-DPC98 -DBOOTWAIT=${BOOTWAIT} -DTIMEOUT=${TIMEOUT}
CFLAGS+=	-DBOOTSEG=${BOOTSEG} -DBOOTSTACK=${BOOTSTACK}
CFLAGS+=	${CWARNFLAGS}

# Probe the keyboard and use the serial console if the keyboard isn't found.
.if defined(BOOT_PROBE_KEYBOARD)
CFLAGS+=	-DPROBE_KEYBOARD
.endif

# Probe the keyboard lock and use the serial console if the keyboard is locked.
.if defined(BOOT_PROBE_KEYBOARD_LOCK)
CFLAGS+=	-DPROBE_KEYBOARD_LOCK
.endif

# Force use of the serial console.
.if defined(BOOT_FORCE_COMCONSOLE)
CFLAGS+=	-DFORCE_COMCONSOLE
.endif

# By default, if a serial port is going to be used as console, use COM1
# (aka /dev/ttyd0).
BOOT_COMCONSOLE_PORT?=0x30
BOOT_COMCONSOLE_CLK?=16
BOOT_COMCONSOLE_MODE=0x0c
CFLAGS+=	-DCOMCONSOLE=${BOOT_COMCONSOLE_PORT} \
		-DCOMCONSOLE_CLK=${BOOT_COMCONSOLE_CLK} \
		-DCOMCONSOLE_MODE=${BOOT_COMCONSOLE_MODE}

# feature not implemented
# BOOT_COMCONSOLE_SPEED?=9600
# CFLAGS+=	-DCONSPEED=${BOOT_COMCONSOLE_SPEED}

# Enable code to take the default boot string from a fixed location on the
# disk.  See nextboot(8) and README.386BSD for more info.
#CFLAGS+=	-DNAMEBLOCK
#CFLAGS+=	-DNAMEBLOCK_WRITEBACK

# Bias the conversion from the BIOS drive number to the FreeBSD unit number
# for hard disks.  This may be useful for people booting in a mixed IDE/SCSI
# environment (set BOOT_HD_BIAS to the number of IDE drives).
#CFLAGS+=	-DBOOT_HD_BIAS=1
#
# Details: this only applies if BOOT_HD_BIAS > 0.  If the BIOS drive number
# for the boot drive is >= BOOT_HD_BIAS, then the boot drive is assumed to
# be SCSI and have unit number (BIOS_drive_number - BOOT_HD_BIAS).  E.g.,
# BOOT_HD_BIAS=1 makes BIOS drive 1 correspond to 1:sd(0,a) instead of
# 1:wd(1,a).  If `sd' is given explicitly, then the drive is assumed to be
# SCSI and have BIOS drive number (sd_unit_number + BOOT_HD_BIAS).  E.g.,
# BOOT_HD_BIAS=1 makes sd(0,a) correspond to 1:sd(0,a) instead of 0:sd(0,a).

CLEANFILES+=	boot.nohdr boot.strip boot1 boot2 sizetest
DPADD=		${LIBC}
LDFLAGS+=	-N -T 0 -nostdlib
LDADD=		-lc
#LINKS=		${BINDIR}/sdboot ${BINDIR}/wdboot\
#		${BINDIR}/sdboot ${BINDIR}/fdboot\
#		${BINDIR}/bootsd ${BINDIR}/bootwd\
#		${BINDIR}/bootsd ${BINDIR}/bootfd
NOSHARED=	YES
NOMAN=
STRIP=

# tunable timeout parameter, waiting for keypress, calibrated in ms
BOOTWAIT?=	5000
# tunable timeout during string input, calibrated in ms
#TIMEOUT?=	30000

# Location that boot2 is loaded at
BOOTSEG=	0x9000

# Offset in BOOTSEG for the top of the stack, keep this 16 byte aligned
BOOTSTACK=	0xFFF0

boot.strip:	boot
	cp -p boot boot.strip
	strip boot.strip
	size boot.strip

boot.nohdr:	boot.strip
	dd if=boot.strip of=boot.nohdr ibs=32 skip=1 obs=1024b
	ls -l boot.nohdr

boot1:		boot.nohdr
	dd if=boot.nohdr of=boot1 bs=512 count=1

boot2:		boot.nohdr
	dd if=boot.nohdr of=boot2 bs=512 skip=1
	@dd if=boot2 skip=14 of=sizetest 2> /dev/null
	@if [ -s sizetest ] ; then \
		echo "boot2 is too big" >&2 ; \
		rm boot2 ; \
		exit 2 ; \
	fi

all:		boot1 boot2

install:
	${INSTALL} ${COPY} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE}\
		boot1 ${DESTDIR}${BINDIR}/boot1
	${INSTALL} ${COPY} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE}\
		boot2 ${DESTDIR}${BINDIR}/boot2
	for i in sd fd wd od vn ; do \
		( cd ${DESTDIR}${BINDIR} ; \
		rm -f boot$${i} $${i}boot ; \
		ln -s boot1 $${i}boot ; \
		ln -s boot2 boot$${i} ; ) \
	done

.include <bsd.kern.mk>
.include <bsd.prog.mk>