xCAT/xNBA
2
0
Fork 0
mirror of https://github.com/xcat2/xNBA.git synced 2024-12-23 19:51:46 +00:00
Code Issues Projects Releases Wiki Activity

Added support for INT 13,15; NTLDR calls it (though it may not

Browse Source 
actually do anything with the result, since it carried on using us
even when we returned failure).
This commit is contained in:
Michael Brown 2006-08-26 23:42:02 +00:00
parent 19883779ba
commit 40724431e8
1 changed files with 20 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
src/arch/i386/interface/pcbios/int13.c
View File

@ -207,6 +207,22 @@ static int int13_get_parameters ( struct int13_drive *drive,
return 0;
}
/**
* INT 13, 15 - Get disk type
*
* @v drive Emulated drive
* @ret ah Type code
* @ret cx:dx Sector count
* @ret status Status code / disk type
*/
static int int13_get_disk_type ( struct int13_drive *drive,
struct i386_all_regs *ix86 ) {
DBG ( "Get disk type\n" );
ix86->regs.cx = ( drive->cylinders >> 16 );
ix86->regs.dx = ( drive->cylinders & 0xffff );
return INT13_DISK_TYPE_HDD;
}
/**
* INT 13, 41 - Extensions installation check
*
@ -348,6 +364,9 @@ static void int13 ( struct i386_all_regs *ix86 ) {
case INT13_GET_PARAMETERS:
status = int13_get_parameters ( drive, ix86 );
break;
case INT13_GET_DISK_TYPE:
status = int13_get_disk_type ( drive, ix86 );
break;
case INT13_EXTENSION_CHECK:
status = int13_extension_check ( drive, ix86 );
break;
@ -361,7 +380,7 @@ static void int13 ( struct i386_all_regs *ix86 ) {
status = int13_get_extended_parameters ( drive, ix86 );
break;
default:
DBG ( "Unrecognised INT 13\n" );
DBG ( "*** Unrecognised INT 13 ***\n" );
status = -INT13_STATUS_INVALID;
break;
}