caiyu/nextpnr
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Update docs/archapi.md

Browse Source 
Signed-off-by: gatecat <gatecat@ds0.me>
This commit is contained in:
gatecat 2021-02-17 11:25:53 +00:00
parent d83259828e
commit cb957795a3
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
docs/archapi.md
View File

@ -93,7 +93,7 @@ The global `CellInfo` type derives from this one. Can be used to add arch-specif
arch.h
======
Each architecture must provide their own implementation of the `Arch` struct in `arch.h`. `Arch` must derive from `BaseCtx` and must provide the following methods:
Each architecture must provide their own implementation of the `Arch` struct in `arch.h`. `Arch` must derive from `ArchAPI<ArchRanges>` or `BaseArch<ArchRanges>` (see above) and must provide the following methods:
General Methods
---------------
@ -697,7 +697,7 @@ Placer Methods
### bool isValidBelForCellType(IdString cell\_type, BelId bel) const
Returns true if the given cell can be bound to the given bel. This check
should be fast, compared with isValidBelForCell. This check should always
should be fast, compared with isBelLocationValid. This check should always
return the same value regardless if other cells are placed within the fabric.
*BaseArch default: returns `cell_type == getBelType(bel)`*