diff options
author | gatecat <gatecat@ds0.me> | 2022-03-21 19:58:36 +0000 |
---|---|---|
committer | gatecat <gatecat@ds0.me> | 2022-03-21 20:12:58 +0000 |
commit | b2348281252f7dc4ea052269a5c5db02f7c03803 (patch) | |
tree | da1337bb62297bedc90345f634053969ae935dfe /docs/generic.md | |
parent | 774d3944b307a7b26164f728b5910f26b7d873f6 (diff) | |
download | nextpnr-b2348281252f7dc4ea052269a5c5db02f7c03803.tar.gz nextpnr-b2348281252f7dc4ea052269a5c5db02f7c03803.tar.bz2 nextpnr-b2348281252f7dc4ea052269a5c5db02f7c03803.zip |
docs: Initial reference for the Viaduct 'uarch' API
Signed-off-by: gatecat <gatecat@ds0.me>
Diffstat (limited to 'docs/generic.md')
-rw-r--r-- | docs/generic.md | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/docs/generic.md b/docs/generic.md index 96db872e..108d41d7 100644 --- a/docs/generic.md +++ b/docs/generic.md @@ -1,8 +1,12 @@ # nextpnr Generic Architecture -Instead of implementing the [C++ API](archapi.md), you can programmatically +Instead of implementing the full [C++ API](archapi.md), you can programmatically build up a description of an FPGA using the generic architecture and the -Python API. +Python API, or the [Viaduct C++ API](viaduct.md) (described further in its own +document). + +The Viaduct API allows more complex constraints to be implemented and has shorter +startup times than using the Python API. A basic packer is provided that supports LUTs, flipflops and IO buffer insertion. Packing could also be implemented using the Python API. |