VFPSupport_Features (changes)
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VFPSupport
» SWI Calls
» VFPSupport_Features
VFPSupport_Features
(SWI &58EC8)
| Entry | |
|---|---|
| R0 | Reason code |
| Exit | |
|---|---|
| As defined by reason code in R0 | |
Use
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 |
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