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Add vitis rules for HLS. #124

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Add vitis rules for HLS. #124

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stridge-cruxml
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@stridge-cruxml stridge-cruxml commented Dec 13, 2022 •
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This is the final port from rules_xilinx.

It adds support for vitis enabling verilog generation from cc. In particular it defines:

load("@rules_hdl//vitis:defs.bzl", "vitis_generate")

vitis_generate(
    name = "adder_vivado",
    out = "adder_vivado.tar.gz",
    clock_period = "10.0",
    tags = ["manual"],
    # Note need namespace with vivado_hls.
    top_func = "vitis::adder",
    use_vivado_hls = True,
    xilinx_env = ":xilinx_env_vivado.sh",
    deps = [":hls_adder_vivado"],
)

This will generate verilog from the cc definition.

Vitis defines a number of structures in cc (ap_fixed, hls_stream, etc). These are installed with vitis.
I have copied 2 different versions of these libraries here to allow code to build outside of vitis for testing purposes.
These are versions v2021_2 and v2020_1.

@stridge-cruxml
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Not sure what this message means: [_USERNAME -> $(commit.author.login)]: generic::invalid_argument: failed ParseJSONPath: author is not found.

Also gentle ping :)

@QuantamHD
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/gcbrun

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I also added you as a maintainer so you can merge things now.

QuantamHD
QuantamHD reviewed Feb 2, 2023
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vitis/v2020_1/ap_common.h
Comment on lines +1 to +31
// 67d7842dbbe25473c3c32b93c0da8047785f30d78e8a024de1b57352245f9689
/*
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#-
#- This file contains confidential and proprietary information
#- of Xilinx, Inc. and is protected under U.S. and
#- international copyright and other intellectual property
#- laws.
#-
#- DISCLAIMER
#- This disclaimer is not a license and does not grant any
#- rights to the materials distributed herewith. Except as
#- otherwise provided in a valid license issued to you by
#- Xilinx, and to the maximum extent permitted by applicable
#- law: (1) THESE MATERIALS ARE MADE AVAILABLE "AS IS" AND
#- WITH ALL FAULTS, AND XILINX HEREBY DISCLAIMS ALL WARRANTIES
#- AND CONDITIONS, EXPRESS, IMPLIED, OR STATUTORY, INCLUDING
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#- INFRINGEMENT, OR FITNESS FOR ANY PARTICULAR PURPOSE; and
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#- including negligence, or under any other theory of
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We can't add non-open source code to the repo.

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Ok, this is an issue. Ill have to think about how I can point to a copy in vivado somehow.

This library is installed with vitis hls in a path like: Vitis_HLS/2021.2/include/ and all cc includes for hls come from there.
Maybe some .bazelrc setting or something.

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We could also explore adding it in a toolchain configuration. https://bazel.build/extending/toolchains

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This change is abnormally large, and might be causing some issues with Google Cloud build. I'll need to debug more.

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This change is abnormally large, and might be causing some issues with Google Cloud build. I'll need to debug more.

After i remove the cpp headers, it will be small

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@stridge-cruxml @QuantamHD @bopeng-cruxml