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Diffstat (limited to 'hw/kdrive/vesa/Xvesa.man')
| -rw-r--r-- | hw/kdrive/vesa/Xvesa.man | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/hw/kdrive/vesa/Xvesa.man b/hw/kdrive/vesa/Xvesa.man index 958934aa9..766ac8145 100644 --- a/hw/kdrive/vesa/Xvesa.man +++ b/hw/kdrive/vesa/Xvesa.man @@ -1,4 +1,4 @@ -.\" $XFree86$ +.\" $XFree86: xc/programs/Xserver/hw/kdrive/vesa/Xvesa.man,v 1.2 2000/09/03 05:11:22 keithp Exp $ .TH Xvesa 1 .SH NAME Xvesa \- VESA VBE tiny X server @@ -11,10 +11,13 @@ Xvesa \- VESA VBE tiny X server is a generic X server for Linux on the x86 platform. .B Xvesa doesn't know about any particular hardware, and sets the video mode by -running the video BIOS in VM86 mode. +running the video BIOS in VM86 mode. .B Xvesa therefore runs untrusted code with full priviledges, and is one of the most insecure X servers available. +.B Xvesa +uses both standard VGA BIOS modes and any modes advertised by a VESA 2.0 +BIOS if available. .B Run at your own risk. .SH OPTIONS In addition to the normal tiny-X server's options (to be described in @@ -28,9 +31,9 @@ specifies the VESA video mode to use. If mode is not supported by your BIOS and hardware, .B Xvesa will fail, hang your system, or make your monitor explode; you are on -your own. This option is ignored if the +your own. This option overrides any .B -screen -option was used. +options. .TP 8 .B -listmodes tells the server to list all supported video modes. If @@ -55,8 +58,11 @@ don't use a linear framebuffer even if one is available. You don't want to use this option. .TP 8 .B -swaprgb -pass RGB values in the order that works on my machine. Use this if +pass RGB values in the order that works on broken BIOSes. Use this if the colours are wrong in PseudoColor modes. +.TP 8 +.B -verbose +emit diagnostic messages during BIOS initialization and teardown. .SH KEYBOARD Xvesa handles the keyboard in the same manner as the .B Xfbdev @@ -69,10 +75,17 @@ assumed to be buggy. Allowing your users to run is a major security hole. Allowing yourself to run .B Xvesa is probably a mistake. +.B Xvesa +records the current BIOS mode when it starts and restores that mode on +termination; if the video card has been reprogrammed by another application, +the display will almost certainly be trashed. The alternative of saving and +restoring the complete video card state has proven unreliable on most video +cards. .SH SEE ALSO X(1), Xserver(1), xdm(1), xinit(1), Xfbdev(1). .SH AUTHORS The tiny-X server was written by Keith Packard, and the VESA driver was added by Juliusz Chroboczek who didn't realise what he was doing until it was too late. Tiny-X uses code from XFree86, which in turn -is based on the Sample Implementation. +is based on the Sample Implementation. Keith Packard then added support for +standard VGA BIOS modes and is especially proud of 320x200 16 color mode. |