Document boot_cdrom, boot_multicons, and boot_serial.
Reduce diffs between help.common and loader(8). Mention that boot_userconfig is currently a no-op.
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2020-12-20 02:59:44 +00:00
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@ -143,28 +143,53 @@
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Instructs the kernel to prompt the user for the name of the root device
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when the kernel is booted.
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################################################################################
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# Tset Sboot_cdrom DMount root file system from CD-ROM
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set boot_cdrom
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Instructs the kernel to try to mount the root file system from CD-ROM.
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################################################################################
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# Tset Sboot_ddb DDrop to the kernel debugger (DDB)
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set boot_ddb
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Instructs the kernel to start in the DDB debugger, rather than
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proceeding to initialise when booted.
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proceeding to initialize when booted.
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################################################################################
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# Tset Sboot_gdb DSelect gdb-remote mode
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# Tset Sboot_gdb DSelect gdb-remote mode for the kernel debugger
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set boot_gdb
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Selects gdb-remote mode for the kernel debugger by default.
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################################################################################
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# Tset Sboot_multicons DUse multiple consoles
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set boot_multicons
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Enables multiple console support in the kernel early on boot.
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In a running system, console configuration can be manipulated
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by the conscontrol(8) utility.
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################################################################################
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# Tset Sboot_serial DUse serial console
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set boot_serial
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Force the use of a serial console even when an internal console
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is present.
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################################################################################
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# Tset Sboot_single DStart system in single-user mode
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set boot_single
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Prevents the kernel from initiating a multi-user startup, single-user
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mode will be entered when the kernel has finished device probes.
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Prevents the kernel from initiating a multi-user startup; instead,
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a single-user mode will be entered when the kernel has finished
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device probes.
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################################################################################
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# Tset Sboot_verbose DVerbose boot messages
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@ -332,17 +332,30 @@ will be processed normally, defaulting to 10 seconds delay.
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.It Va boot_askname
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Instructs the kernel to prompt the user for the name of the root device
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when the kernel is booted.
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.It Va boot_cdrom
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Instructs the kernel to try to mount the root file system from CD-ROM.
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.It Va boot_ddb
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Instructs the kernel to start in the DDB debugger, rather than
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proceeding to initialize when booted.
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.It Va boot_gdb
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Selects gdb-remote mode for the kernel debugger by default.
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.It Va boot_multicons
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Enables multiple console support in the kernel early on boot.
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In a running system, console configuration can be manipulated
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by the
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.Xr conscontrol 8
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utility.
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.It Va boot_serial
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Force the use of a serial console even when an internal console
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is present.
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.It Va boot_single
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Prevents the kernel from initiating a multi-user startup; instead single-user
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mode will be entered when the kernel has finished device probing.
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Prevents the kernel from initiating a multi-user startup; instead,
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a single-user mode will be entered when the kernel has finished
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device probing.
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.It Va boot_userconfig
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Requests that the kernel's interactive device configuration program
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be run when the kernel is booted.
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Currently a no-op.
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.It Va boot_verbose
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Setting this variable causes extra debugging information to be printed
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by the kernel during the boot phase.
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@ -62,10 +62,14 @@ module_path="/boot/modules" # Set the module search path
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# The following boot_ variables are enabled
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# by setting them to any value.
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#boot_askname="" # Prompt the user for the name of the root device
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#boot_cdrom="" # Attempt to mount root file system from CD-ROM
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#boot_ddb="" # Instructs the kernel to start in the DDB debugger
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#boot_gdb="" # Selects gdb-remote mode for the kernel debugger
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#boot_multicons="" # Use multiple consoles
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#boot_serial="" # Use serial console
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#boot_single="" # Start system in single-user mode
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#boot_userconfig="" # Run kernel's interactive device configuration program
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#boot_userconfig="" # Run kernel's interactive device configuration program;
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# currently a no-op
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#boot_verbose="" # Causes extra debugging information to be printed
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#init_path="/sbin/init:/sbin/oinit:/sbin/init.bak:/stand/sysinstall"
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# Sets the list of init candidates
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@ -49,7 +49,7 @@
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set boot_userconfig
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Requests that the kernel's interactive device configuration program
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be run when the kernel is booted.
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be run when the kernel is booted. Currently a no-op.
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################################################################################
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# Tset Sroot_disk_unit DForce the root disk unit number.
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@ -31,7 +31,7 @@
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set boot_userconfig
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Requests that the kernel's interactive device configuration program
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be run when the kernel is booted.
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be run when the kernel is booted. Currently a no-op.
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################################################################################
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# Tset Sroot_disk_unit DForce the root disk unit number.
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