A fast and easily customised operating system
for ARM devices
OS_Memory 13
Programmer's Reference Manuals
» Part 15 – SWI Calls
» OS
» OS_Memory
» OS_Memory 13
OS_ Memory 13
(SWI &68)
| Entry | |
|---|---|
| R0 | 13 (&0D), and flags |
| R1 | Physical address to map in |
| R2 | Size to map in |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Preserved |
| R2 | Preserved |
| R3 | Logical address assigned |
Use
The purpose of this call is to permanently map in a region of IO memory at run-time.
See also
Social
Follow us on
and
and
ROOL Store
Buy RISC OS Open merchandise here, including SD cards for Raspberry Pi and more.