-.\" $OpenBSD: boot_alpha.8,v 1.16 2010/01/03 16:43:45 schwarze Exp $
+.\" $OpenBSD: boot_alpha.8,v 1.17 2023/03/13 20:32:28 miod Exp $
.\"
.\" Copyright (c) 2002, Miodrag Vallat.
.\" All rights reserved.
.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-.Dd $Mdocdate: January 3 2010 $
+.Dd $Mdocdate: March 13 2023 $
.Dt BOOT_ALPHA 8 alpha
.Os
.Sh NAME
variable is set to
.Dq boot .
.Ss Boot process options
-The SRM console will attempt to boot a kernel named from the
-.Em boot_file
-environment variable, on the device listed in the
+The SRM console will attempt to boot from the device listed in the
.Em bootdef_dev
variable.
A list of the recognized SRM devices can be obtained with the command
.Ic show dev
at the SRM prompt.
-If the
-.Em boot_file
-variable is not set or empty,
-.Pa /bsd
-will be used by default.
.Pp
-The kernel will be passed the options listed in the
-.Em boot_osflags
-variable.
-Option letters are case insensitive.
-The following option letters are recognized:
-.Pp
-.Bl -tag -width "XXX" -offset indent -compact
-.It Cm a
-Boot the system multi-user.
-This is the default behaviour of the kernel if no flags are specified.
-.It Cm b
-Enter the debugger,
-.Xr ddb 4 ,
-as soon as the kernel console has been initialized.
-.It Cm c
-Enter the
-.Dq User Kernel Configuration
-mode upon startup
-.Pq Xr boot_config 8 .
-.It Cm d
-Create a kernel crash dump immediately after the devices have been configured.
-This option is only available on kernels compiled with
-.Qq option DEBUG .
-.It Cm h
-On the next system reboot, always halt the system, even if a reboot is
-required.
-.It Cm n
-Prompt for the root filesystem device after the devices have been configured.
-.It Cm s
-Boot the system single-user.
-.El
+The
+.Ox
+alpha boot loader program is extensively described in a separate document,
+.Xr boot 8 .
.Ss Abnormal system termination
In case of system crashes, the kernel will usually enter the kernel
debugger,
.El
.Sh SEE ALSO
.Xr ddb 4 ,
+.Xr boot 8 ,
.Xr boot_config 8 ,
.Xr halt 8 ,
.Xr init 8 ,