VFP Execution Environment (Rev #4)
category: Specification
Goals
(APCS amendments and compiler/OS support to allow its use by programs/Selecting !RunImage when both FPA and VFP binaries provided)
Existing documentation
Relevant specifications
Relevant forum threads
Terminology
FPA is the original Floating Point Accelerator, coprocessor numbers 1 & 2 for the ARM.
VFP is the Vector Floating Point unit, coprocessor numbers 10 & 11 for the ARM.
The APCS is the ARM Procedure Calling Standard, treated as a synonym here for ATPCS (for ARM/Thumb PCS), and AAPCS (for ARM Architecture PCS).
An ABI defines an Application Binary Interface, comprising a base ABI for the core-registers only and basis for several variants.
Detail
Implementation progress
| Phase | Status | Completion | Latest updates |
|---|---|---|---|
| Conceptual design | In progress | 0% | 26-Dec-2021 Document created |
| Mock ups/visualisation | - | - | - |
| Prototype coding | - | - | - |
| Final implementation | - | - | - |
| Testing/integration | - | - | - |
Document history
v1.00 – 26-Dec-2021
- Outline added
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