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# $FreeBSD$
#
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
.PATH: ${.CURDIR}/../biosboot
BINDIR= /usr/mdec
BINMODE= 444
CFLAGS= -O2 -malign-functions=0 -malign-jumps=0 -malign-loops=0 \
-DRAWBOOT \
-I${.CURDIR}/../biosboot \
-DBOOTWAIT=${BOOTWAIT} -DTIMEOUT=${TIMEOUT}
CFLAGS+= -DBOOTSEG=${BOOTSEG} -DBOOTSTACK=${BOOTSTACK}
CFLAGS+= -I${.CURDIR}/../../..
CFLAGS+= ${CWARNFLAGS}
# Probe the keyboard and use the serial console if the keyboard isn't found.
.if defined(BOOT_PROBE_KEYBOARD)
CFLAGS+= -DPROBE_KEYBOARD
.endif
# Probe the keyboard lock and use the serial console if the keyboard is locked.
.if defined(BOOT_PROBE_KEYBOARD_LOCK)
CFLAGS+= -DPROBE_KEYBOARD_LOCK
.endif
# Force use of the serial console.
.if defined(BOOT_FORCE_COMCONSOLE)
CFLAGS+= -DFORCE_COMCONSOLE
.endif
# By default, if a serial port is going to be used as console, use COM1
# (aka /dev/ttyd0).
BOOT_COMCONSOLE_PORT?=0x3F8
CFLAGS+= -DCOMCONSOLE=${BOOT_COMCONSOLE_PORT}
# 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 rawboot sizetest
DPADD= ${LIBC}
LDFLAGS+= -N -T 0 -nostdlib
LDADD= -lc
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= 0x1000
# 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
rawboot: boot.nohdr
dd if=boot.nohdr of=rawboot bs=8k count=1 conv=sync
all: rawboot
install:
${INSTALL} ${COPY} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE}\
rawboot ${DESTDIR}${BINDIR}/rawboot
.include <bsd.kern.mk>
.include <bsd.prog.mk>
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