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-rw-r--r--sbin/reboot/boot_i386.824
1 files changed, 6 insertions, 18 deletions
diff --git a/sbin/reboot/boot_i386.8 b/sbin/reboot/boot_i386.8
index 56ea285..8dfd5d8 100644
--- a/sbin/reboot/boot_i386.8
+++ b/sbin/reboot/boot_i386.8
@@ -195,20 +195,13 @@ Boot flags:
during kernel initialization,
ask for the device to mount as the root file system.
.It Fl C
-boot from CDROM.
+try to mount root file system from a CD-ROM.
.It Fl c
-run UserConfig to modify hardware parameters for the loaded
-kernel.
-If the kernel was built with one of
-.Dv USERCONFIG , INTRO_USERCONFIG , VISUAL_USERCONFIG
-options,
-remain in UserConfig regardless of any
-.Ic quit
-commands present in the script.
+this flag is currently a no-op.
.It Fl D
-toggle single and dual console configurations.
+boot with the dual console configuration.
In the single
-configuration the console will be either the internal display
+configuration, the console will be either the internal display
or the serial port, depending on the state of the
.Fl h
option below.
@@ -225,20 +218,15 @@ as early as possible in kernel initialization.
.It Fl g
use the GDB remote debugging protocol.
.It Fl h
-toggle internal and serial consoles.
-You can use this to switch
-console devices.
+force the serial console.
For instance, if you boot from the internal console,
you can use the
.Fl h
option to force the kernel to use the serial port as its
console device.
-Alternatively, if you boot from the serial port,
-you can use this option to force the kernel to use the internal display
-as the console instead.
The serial port driver
.Xr sio 4
-has a flag to override this option.
+has a flag (0x20) to override this option.
If that flag is set, the serial port will always be used as the console,
regardless of the
.Fl h
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