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-rw-r--r--stand/i386/boot0/Makefile80
1 files changed, 80 insertions, 0 deletions
diff --git a/stand/i386/boot0/Makefile b/stand/i386/boot0/Makefile
new file mode 100644
index 0000000000000..39c0072e66386
--- /dev/null
+++ b/stand/i386/boot0/Makefile
@@ -0,0 +1,80 @@
+# $FreeBSD$
+
+PROG?= boot0
+STRIP=
+BINMODE=${NOBINMODE}
+MAN=
+SRCS= ${PROG}.S
+
+# Additional options that you can specify with make OPTS="..."
+# (these only apply to boot0.S)
+#
+# -DVOLUME_SERIAL support volume serial number (NT, XP, Vista)
+# -DSIO do I/O using COM1:
+# -DPXE fallback to INT18/PXE with F6
+# -DCHECK_DRIVE enable checking drive number
+# -DONLY_F_KEYS accept only Fx keys in console
+# -DTEST print drive number on entry
+#
+OPTS ?= -DVOLUME_SERIAL -DPXE
+CFLAGS += ${OPTS}
+
+# Flags used in the boot0.S code:
+# 0x0f all valid partitions enabled.
+# 0x80 'packet', use BIOS EDD (LBA) extensions instead of CHS
+# to read from disk. boot0.S does not check that the extensions
+# are supported, but all modern BIOSes should have them.
+# 0x40 'noupdate', disable writing boot0 back to disk so that
+# the current selection is not preserved across reboots.
+# 0x20 'setdrv', override the drive number supplied by the bios
+# with the one in the boot sector.
+
+# Default boot flags:
+BOOT_BOOT0_FLAGS?= 0x8f
+
+# The number of timer ticks to wait for a keypress before assuming the default
+# selection. Since there are 18.2 ticks per second, the default value of
+# 0xb6 (182d) corresponds to 10 seconds.
+BOOT_BOOT0_TICKS?= 0xb6
+
+# The base address that we the boot0 code to to run it. Don't change this
+# unless you are glutton for punishment.
+BOOT_BOOT0_ORG?= 0x600
+ORG=${BOOT_BOOT0_ORG}
+
+# Comm settings for boot0sio.
+# Bit(s) Description
+# 7-5 data rate (110,150,300,600,1200,2400,4800,9600 bps)
+# 4-3 parity (00 or 10 = none, 01 = odd, 11 = even)
+# 2 stop bits (set = 2, clear = 1)
+# 1-0 data bits (00 = 5, 01 = 6, 10 = 7, 11 = 8)
+.if !defined(BOOT_BOOT0_COMCONSOLE_SPEED)
+BOOT_COMCONSOLE_SPEED?= 9600
+.if ${BOOT_COMCONSOLE_SPEED} == 9600
+BOOT_BOOT0_COMCONSOLE_SPEED= "7 << 5 + 3"
+.elif ${BOOT_COMCONSOLE_SPEED} == 4800
+BOOT_BOOT0_COMCONSOLE_SPEED= "6 << 5 + 3"
+.elif ${BOOT_COMCONSOLE_SPEED} == 2400
+BOOT_BOOT0_COMCONSOLE_SPEED= "5 << 5 + 3"
+.elif ${BOOT_COMCONSOLE_SPEED} == 1200
+BOOT_BOOT0_COMCONSOLE_SPEED= "4 << 5 + 3"
+.elif ${BOOT_COMCONSOLE_SPEED} == 600
+BOOT_BOOT0_COMCONSOLE_SPEED= "3 << 5 + 3"
+.elif ${BOOT_COMCONSOLE_SPEED} == 300
+BOOT_BOOT0_COMCONSOLE_SPEED= "2 << 5 + 3"
+.elif ${BOOT_COMCONSOLE_SPEED} == 150
+BOOT_BOOT0_COMCONSOLE_SPEED= "1 << 5 + 3"
+.elif ${BOOT_COMCONSOLE_SPEED} == 110
+BOOT_BOOT0_COMCONSOLE_SPEED= "0 << 5 + 3"
+.else
+BOOT_BOOT0_COMCONSOLE_SPEED= "7 << 5 + 3"
+.endif
+.endif
+
+CFLAGS+=-DFLAGS=${BOOT_BOOT0_FLAGS} \
+ -DTICKS=${BOOT_BOOT0_TICKS} \
+ -DCOMSPEED=${BOOT_BOOT0_COMCONSOLE_SPEED}
+
+LDFLAGS+=${LDFLAGS_BIN}
+
+.include <bsd.prog.mk>