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-rw-r--r-- | docs/coding.md | 2 |
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diff --git a/docs/coding.md b/docs/coding.md index 5cbaef01..355fe457 100644 --- a/docs/coding.md +++ b/docs/coding.md @@ -28,6 +28,8 @@ Additionally to this; architectures provide functions for checking the availabil - Pips that represent LUT permutation are not available when the LUT is in memory mode - only a certain total number of pips in a switchbox can be used at once due to power supply limitations +As well as implementing all of the standard [Arch API](archapi.md) functions; arches may include their own helper functions for various purposes. By convention these are in `snake_case`, to distinguish them from the `camelCase` Arch API functions. + ## `IdString`s To avoid the high cost of using strings as identifiers directly; almost all "string" identifiers in nextpnr (such as cell names and types) use an indexed string pool type named `IdString`. Unlike Yosys, which has a global garbage collected pool, nextpnr has a per-Context pool without any garbage collection. |