Entry | |
---|---|
R0 | Reason code |
Exit | |
---|---|
As defined by reason code in R0 |
This call can be used to read the various features about the system.
Supported reason codes are:
# | |
---|---|
0 | Read system registers |
1 | Read trapped VFP exception capability |
2 | Read misc feature flags |
3 | Read extra system registers |