---
title: reg_desc
framework: Kernel
role: symbol
platforms: [macOS 10.6+]
path: kernel/reg_desc
---

# reg_desc

## Declaration

```occ
struct reg_desc {
    ...
};
```

## Topics

### Instance Properties

- [rd_format](kernel/reg_desc/1516041-rd_format.md)
- [rd_mask](kernel/reg_desc/1516018-rd_mask.md)
- [rd_name](kernel/reg_desc/1516051-rd_name.md)
- [rd_shift](kernel/reg_desc/1516049-rd_shift.md)
- [rd_values](kernel/reg_desc/1516037-rd_values.md)