1# $FreeBSD: head/sys/boot/i386/boot0/Makefile 145515 2005-04-25 17:41:35Z ru $
| 1# $FreeBSD: head/sys/boot/i386/boot0/Makefile 185562 2008-12-02 14:57:48Z luigi $
|
2
3PROG?= boot0
4STRIP=
5BINMODE=${NOBINMODE}
6NO_MAN=
7SRCS= ${PROG}.S
8
| 2
3PROG?= boot0
4STRIP=
5BINMODE=${NOBINMODE}
6NO_MAN=
7SRCS= ${PROG}.S
8
|
9# The default set of flags compiled into boot0. This enables update (writing
10# the modified boot0 back to disk after running so that the selection made is
11# saved), packet mode (detect and use the BIOS EDD extensions if we try to
12# boot past the 1024 cylinder liimt), and booting from all valid slices.
13BOOT_BOOT0_FLAGS?= 0x8f
| 9# Additional options that you can specify with make OPTS="..."
10# (these only apply to boot0.S)
11#
12# -DSIO do I/O using COM1:
13# -DPXE fallback to INT18/PXE with F6
14# -DCHECK_DRIVE enable checking drive number
15# -DONLY_F_KEYS accept only Fx keys in console
16# -DTEST print drive number on entry
17#
18CFLAGS += ${OPTS}
|
14
| 19
|
| 20# Flags used in the boot0.S code:
21# 0x0f all valid partitions enabled.
22# 0x80 'packet', use BIOS EDD (LBA) extensions instead of CHS
23# to read from disk. boot0.S does not check that the extensions
24# are supported, but all modern BIOSes should have them.
25# 0x40 'noupdate', disable writing boot0 back to disk so that
26# the current selection is not preserved across reboots.
27# 0x20 'setdrv', override the drive number supplied by the bios
28# with the one in the boot sector.
29
30# Default boot flags:
31BOOT_BOOT0_FLAGS?= 0xcf
32
|
15# The number of timer ticks to wait for a keypress before assuming the default
16# selection. Since there are 18.2 ticks per second, the default value of
17# 0xb6 (182d) corresponds to 10 seconds.
18BOOT_BOOT0_TICKS?= 0xb6
19
20# The base address that we the boot0 code to to run it. Don't change this
21# unless you are glutton for punishment.
22BOOT_BOOT0_ORG?= 0x600
--- 37 unchanged lines hidden --- | 33# The number of timer ticks to wait for a keypress before assuming the default
34# selection. Since there are 18.2 ticks per second, the default value of
35# 0xb6 (182d) corresponds to 10 seconds.
36BOOT_BOOT0_TICKS?= 0xb6
37
38# The base address that we the boot0 code to to run it. Don't change this
39# unless you are glutton for punishment.
40BOOT_BOOT0_ORG?= 0x600
--- 37 unchanged lines hidden --- |