diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/i386/interface/pcbios/int13.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/src/arch/i386/interface/pcbios/int13.c b/src/arch/i386/interface/pcbios/int13.c index abba2bde8..7204ce74a 100644 --- a/src/arch/i386/interface/pcbios/int13.c +++ b/src/arch/i386/interface/pcbios/int13.c @@ -208,6 +208,22 @@ static int int13_get_parameters ( struct int13_drive *drive, } /** + * 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 * * @v drive Emulated drive @@ -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; } |