diff options
Diffstat (limited to 'sys/boot/common/loader.8')
| -rw-r--r-- | sys/boot/common/loader.8 | 50 |
1 files changed, 26 insertions, 24 deletions
diff --git a/sys/boot/common/loader.8 b/sys/boot/common/loader.8 index 3b48453e7f292..6fb6b76af1fc7 100644 --- a/sys/boot/common/loader.8 +++ b/sys/boot/common/loader.8 @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd August 18, 2004 +.Dd October 1, 2004 .Dt LOADER 8 .Os .Sh NAME @@ -131,7 +131,7 @@ interpreting mode. The builtin commands available are: .Pp .Bl -tag -width Ds -compact -.It Ic autoboot Op Ar seconds +.It Ic autoboot Op Ar seconds Op Ar prompt Proceeds to bootstrap the system after a number of seconds, if not interrupted by the user. Displays a countdown prompt @@ -269,9 +269,7 @@ Removes from the environment. .Pp .It Ic \&? -Same as -.Dq help index . -.Pp +Lists available commands. .El .Ss BUILTIN ENVIRONMENT VARIABLES The @@ -334,24 +332,37 @@ will be processed normally, defaulting to 10 seconds delay. .It Va boot_askname Instructs the kernel to prompt the user for the name of the root device when the kernel is booted. +.It Va boot_cdrom +Instructs the kernel to try to mount the root file system from CD-ROM. .It Va boot_ddb Instructs the kernel to start in the DDB debugger, rather than proceeding to initialize when booted. .It Va boot_gdb Selects gdb-remote mode for the kernel debugger by default. +.It Va boot_multicons +Enables multiple console support in the kernel early on boot. +In a running system, console configuration can be manipulated +by the +.Xr conscontrol 8 +utility. +.It Va boot_serial +Force the use of a serial console even when an internal console +is present. .It Va boot_single -Prevents the kernel from initiating a multi-user startup; instead single-user -mode will be entered when the kernel has finished device probing. +Prevents the kernel from initiating a multi-user startup; instead, +a single-user mode will be entered when the kernel has finished +device probing. .It Va boot_userconfig Requests that the kernel's interactive device configuration program be run when the kernel is booted. +Currently a no-op. .It Va boot_verbose Setting this variable causes extra debugging information to be printed by the kernel during the boot phase. .It Va bootfile List of semicolon-separated search path for bootable kernels. The default is -.Dq Li kernel;kernel.old . +.Dq Li kernel . .It Va console Defines the current console. .It Va currdev @@ -365,7 +376,7 @@ The default list is .Dq Li /sbin/init:/sbin/oinit:/sbin/init.bak:/stand/sysinstall . .It Va interpret Has the value -.Dq Li ok +.Dq Li OK if the Forth's current state is interpreting. .It Va LINES Define the number of lines on the screen, to be used by the pager. @@ -384,7 +395,11 @@ Value of .Nm Ns 's prompt. Defaults to -.Dq Li "${currdev}>" . +.Dq Li "${interpret}" . +If variable +.Va prompt +is unset, the default prompt is +.Ql > . .It Va root_disk_unit If the code which detects the disk unit number for the root disk is confused, e.g.\& by a mix of SCSI and IDE disks, or IDE disks with @@ -398,13 +413,6 @@ when the kernel is booted. This can be overridden by setting .Va rootdev explicitly. -.It Va dumpdev -The name of a device where the kernel can save a crash dump in case -of a panic. -This automatically sets the -.Va kern.dumpdev -.Xr sysctl 3 -MIB variable. .El .Pp Other variables are used to override kernel tunable parameters. @@ -771,18 +779,12 @@ Boot in single user mode: .Pp .Dl boot -s .Pp -Load kernel's user configuration file. +Load the kernel, a splash screen, and then autoboot in five seconds. Notice that a kernel must be loaded before any other .Ic load command is attempted. .Bd -literal -offset indent load kernel -load -t userconfig_script /boot/kernel.conf -.Ed -.Pp -Load the kernel, a splash screen, and then autoboot in five seconds. -.Bd -literal -offset indent -load kernel load splash_bmp load -t splash_image_data /boot/chuckrulez.bmp autoboot 5 |