diff options
Diffstat (limited to 'src/arch/i386/interface/pcbios/int13.c')
| -rw-r--r-- | src/arch/i386/interface/pcbios/int13.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/arch/i386/interface/pcbios/int13.c b/src/arch/i386/interface/pcbios/int13.c index 733060f2..07439b93 100644 --- a/src/arch/i386/interface/pcbios/int13.c +++ b/src/arch/i386/interface/pcbios/int13.c @@ -207,9 +207,13 @@ static int int13_get_parameters ( struct int13_drive *drive, */ static int int13_get_disk_type ( struct int13_drive *drive, struct i386_all_regs *ix86 ) { + uint32_t blocks; + DBG ( "Get disk type\n" ); - ix86->regs.cx = ( drive->cylinders >> 16 ); - ix86->regs.dx = ( drive->cylinders & 0xffff ); + blocks = ( ( drive->blockdev->blocks <= 0xffffffffUL ) ? + drive->blockdev->blocks : 0xffffffffUL ); + ix86->regs.cx = ( blocks >> 16 ); + ix86->regs.dx = ( blocks & 0xffff ); return INT13_DISK_TYPE_HDD; } |