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This commit is contained in:
Michael Brown 2005-05-20 11:28:27 +00:00
parent d3dec7c331
commit d5789ff4a2
1 changed files with 15 additions and 1 deletions
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16
src/arch/i386/prefix/int19exit.c
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@ -1,13 +1,27 @@
#include "bochs.h"
#include "realmode.h"
/**
/** @file
*
* The "exit via INT 19" exit path.
*
* INT 19 is the old (pre-BBS) "boot system" interrupt. It is
* conventionally used now to return from a failed boot from floppy
* disk.
*
*/
/**
* Exit via INT19
*
* @v ix86 i386 register values to be loaded on exit
* @ret Never
* @err None
*
* Exit back to the BIOS by switching to real mode, reloading the
* registers as they were before Etherboot started, and executing INT
* 19.
*
* @bug Not yet implemented
*
*/