A fast and easily customised operating system
for ARM devices
OS_FSControl 52
Programmer's Reference Manuals
» Part 15 – SWI Calls
» OS
» OS_FSControl
» OS_FSControl 52
OS_ FSControl 52
(SWI &29)
| Entry | |
|---|---|
| R0 | 52 (&34) |
| R1 | Pointer to name of image file or disc |
| R2 | Offset into image file or disc |
| R3 | Pointer to buffer to receive object name |
| R4 | Buffer length |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Preserved |
| R2 | Object Type |
| R3 | Preserved |
| R4 | Preserved |
Use
The purpose of this call is to find the name and type of object that uses a particular offset within an image.
Notes
This call scans a disc or image file to find which object occupies a particular disc address. This is useful in trying to recover files, or map out a defect.
The buffer contains object name (may be corrupted if not found).