Entry | |
---|---|
R0 | 0 (Reason code) |
Exit | |
---|---|
R0 | FPSID register value |
R1 | MVFR0 register value |
R2 | MVFR1 register value |
All other registers preserved |
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.