VFPSupport_Features 0 (changes)
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VFPSupport
» SWI Calls
» VFPSupport_Features
» VFPSupport Features 0
VFPSupport_Features 0 – Read system registers
(SWI &58EC8)
| Entry | |
|---|---|
| R0 | 0 (Reason code) |
| Exit | |
|---|---|
| R0 | FPSID register value |
| R1 | MVFR0 register value |
| R2 | MVFR1 register value |
| All other registers preserved | |
Use
This call returns the values of the FPSID, MVFR0 and MVFR1 system registers. These registers describe which version of the VFP/NEON architecture is implemented and which optional features are supported.
VFPSupport_Features 3 can be used to read additional registers, e.g. MVFR2.
See also
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