Mercurial > hg > Members > kono > nitros9-code
changeset 695:693acf8645b1
Hmm. 'xmlto' does not allow underscore in filenames
| author | roug |
|---|---|
| date | Tue, 31 Dec 2002 12:35:35 +0000 |
| parents | 4a92d9691066 |
| children | b0501e9fb255 |
| files | docs/articles/boot_process.article |
| diffstat | 1 files changed, 0 insertions(+), 61 deletions(-) [+] |
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--- a/docs/articles/boot_process.article Tue Dec 31 12:29:12 2002 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,61 +0,0 @@ -<?xml version="1.0" ?> -<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" - "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> -<!-- - The author has not been contacted about adding this article to the - documentation set. ---> -<article> -<articleinfo> -<title>The OS-9 Boot Process</title> -<subtitle>COCO Computer</subtitle> -<author><firstname>Alan</firstname><surname>DeKok</surname> -<affiliation> -<address> -<email>aland@striker.ottawa.on.ca</email> -</address> -</affiliation> -</author> -<revhistory> -<revision> - <revnumber>1</revnumber> - <date>Tue Apr 29 21:53:46 EDT 1997</date> - <revremark>Last update</revremark> -</revision> -</revhistory> -</articleinfo> -<orderedlist> -<listitem><para>Typing 'DOS' at the DECB 'OK' prompt loads in track 34 off of the disk.</para></listitem> - -<listitem><para> Track 34 gets loaded into address $2600, and execution of code -starts at $2602.</para></listitem> - -<listitem><para> $2602 contains a BRA to the execution point of the REL module.</para></listitem> - -<listitem><para> REL copies the boot track ($2600 to $3800) to address $ED00, and jumps to -another routine inside of REL, at the new address.</para></listitem> - -<listitem><para> REL then jumps to OS9p1, which sets up system variables, the system -memory map, system call tables, IRQ & SWI setup, and calls BOOT.</para></listitem> - -<listitem><para> BOOT reads sector $000000 off of a disk, and finds out where the -OS9Boot file is.</para></listitem> - -<listitem><para> BOOT requests system memory for the size of OS9Boot, seeks to where -OS9Boot is, and loads it directly into RAM.</para></listitem> - -<listitem><para> It then returns to OS9p1, after setting up pointers in low memory to -the OS9Boot file.</para></listitem> - -<listitem><para> OS9p1 links to OS9p2, and executes it.</para></listitem> - -<listitem><para> OS9p2 sets up more system calls, links to the clock module, and -calls it.</para></listitem> - -<listitem><para> Clock sets up some more system calls, starts multitasking, and -returns to OS9p2.</para></listitem> - -<listitem><para> OS9p2 then does F$Chain of 'CC3Go'. This prints a start up banner, -and runs your 'startup' file through a shell.</para></listitem> -</orderedlist> -</article>