Update MirOS bsd4grml to 20111220

[grml-live-grml.git] / templates / boot / addons / bsd4grml / ldbsd.txt

diff --git a/templates/boot/addons/bsd4grml/ldbsd.txt b/templates/boot/addons/bsd4grml/ldbsd.txt
index d3f263a..79e4bcf 100644 (file)
--- a/templates/boot/addons/bsd4grml/ldbsd.txt
+++ b/templates/boot/addons/bsd4grml/ldbsd.txt
@@ -31,7 +31,11 @@ DESCRIPTION
 
      Basic operation procedure is as follows:
 
-     1.   Be loaded.
+     1.   Be loaded. However this is done, as the first thing we write a RETF
+          instruction to 0000:0000 and CALL FAR it (from 16-bit code), or
+          write a RET instruction to 0x00000000 and CALL it (from 32-bit
+          code), backing up the previous content of course, so that qemu+gdb
+          users can intercept via "b *0".
 
           BIOS       We are loaded to 0x07C00. The drive used to load us from
                      is passed in the DL register. The ES:BX and DS:SI regis-
@@ -131,18 +135,18 @@ DESCRIPTION
 
      7.   The hardware is probed:
 
-        + o Console devices: the default BIOS console (INT 10h, which may be
+          +   Console devices: the default BIOS console (INT 10h, which may be
               a MDA/MGA/Hercules, CGA/EGA or VGA CRT/LCD, plus DIN or PS/2 or
               emulated keyboard) as well as up to four serial ports (via the
               BIOS interface).
-        + o Memory: ask the BIOS and probe page by page through the address
+          +   Memory: ask the BIOS and probe page by page through the address
               space, in case the BIOS reports wrong information.
-        + o APM support
-        + o PXE support
-        + o Loadable Multiboot Modules (if any, they are moved off to safe
+          +   APM support
+          +   PXE support
+          +   Loadable Multiboot Modules (if any, they are moved off to safe
               locations and the virtual lmbm device and lmbmfs are set up)
-        + o Floppy disc drives
-        + o Hard disc drives, including El Torito CD-ROM drives
+          +   Floppy disc drives
+          +   Hard disc drives, including El Torito CD-ROM drives
 
      8.   If a command line was passed, it is executed. If it contained a boot
           command, the kernel is attempted to be loaded; otherwise, or if it
@@ -267,12 +271,14 @@ COMMANDS
 
                              boot> machine mem -0x100000@0x00F00000
 
-             regs      Debugging command displaying register dumps.
-
              oldbios   Enable or disable the so-called "Old BIOS / Soekris
                        helper", which restricts boot from loading more than
                        one sector at a time from disc.
 
+             pxe       Forcibly scan for a PXE boot ROM.
+
+             regs      Debugging command displaying register dumps.
+
      macro   Displays the names of all currently defined macros. Up to four
              can be defined, holding up to 256 characters.
 
@@ -303,9 +309,9 @@ COMMANDS
                       auto-booting
 
              tty      Name of the active console device, for example:
-                    + o com0
-                    + o com1
-                    + o pc0
+                      +   com0
+                      +   com1
+                      +   pc0
 
      stty [device [speed]]
              Displays or sets the speed for a console device. If the baudrate
@@ -330,15 +336,15 @@ IMAGE SPECIFICATIONS
      tion or the ability to stat files (especially remote filesystems).
 
      Examples of valid image specifications are:
-   + o fd0a:/bsd
-   + o hd0o:/bsd.rd
-   + o / (for "ls")
-   + o hd0a:/ (for "ls")
-   + o lmbm:/ (for "ls")
-   + o cd0a:/boot/grub/stage2
-   + o tftp:/bsd.rd.i386
-   + o lmbm:/bsd4grml
-   + o /bsd
+     +   fd0a:/bsd
+     +   hd0o:/bsd.rd
+     +   / (for "ls")
+     +   hd0a:/ (for "ls")
+     +   lmbm:/ (for "ls")
+     +   cd0a:/boot/grub/stage2
+     +   tftp:/bsd.rd.i386
+     +   lmbm:/bsd4grml
+     +   /bsd
 
      Disklabels are read from hard discs (BIOS drive >= 80h) by searching for
      a primary MirOS partition first. The default partition type, 0x27, can be
@@ -474,6 +480,8 @@ CAVEATS
                 gPXE, but no code yet. For now, gPXE can load boot using Mul-
                 tiboot, and any passed modules are handled via lmbmfs.
 
-     ustarfs    This filesystem will be implemented soon.
+     ustarfs    This filesystem is currently only usable with the boot floppy
+                and assumes that the entire floppy disc (except, on sparc, the
+                MD disklabel) is a valid ustar archive.
 
-MirOS BSD #10-current          October 24, 2009                              7
+MirOS BSD #10-current           August 6, 2010                               7