From c4c9bfdebd86dce4ce91e1b9a57435871d35c827 Mon Sep 17 00:00:00 2001
From: Faith Ekstrand <faith.ekstrand@collabora.com>
Date: Thu, 18 Jul 2024 11:11:50 -0500
Subject: [PATCH] nak: Drop the nvfuzz binary

A much better version now exists as part of
https://gitlab.freedesktop.org/gfxstrand/nv-shader-tools

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30283>
---
 .gitlab-ci/test/gitlab-ci.yml       |   1 -
 src/nouveau/compiler/meson.build    |  10 ---
 src/nouveau/compiler/nvfuzz/main.rs | 107 ----------------------------
 3 files changed, 118 deletions(-)
 delete mode 100644 src/nouveau/compiler/nvfuzz/main.rs

diff --git a/.gitlab-ci/test/gitlab-ci.yml b/.gitlab-ci/test/gitlab-ci.yml
index f2fa4760428..8816abf0c50 100644
--- a/.gitlab-ci/test/gitlab-ci.yml
+++ b/.gitlab-ci/test/gitlab-ci.yml
@@ -41,7 +41,6 @@ rustfmt:
     - shopt -s globstar
     - rustfmt --version
     - rustfmt --verbose src/**/lib.rs
-    - rustfmt --verbose src/**/main.rs
 
 python-test:
   # Cancel job if a newer commit is pushed to the same branch
diff --git a/src/nouveau/compiler/meson.build b/src/nouveau/compiler/meson.build
index a049cb526b7..a9fbb15656f 100644
--- a/src/nouveau/compiler/meson.build
+++ b/src/nouveau/compiler/meson.build
@@ -172,16 +172,6 @@ _libnak = static_library(
   gnu_symbol_visibility : 'hidden',
 )
 
-if with_tools.contains('nouveau')
-  executable(
-    'nvfuzz',
-    files('nvfuzz/main.rs'),
-    rust_crate_type : 'bin',
-    link_with: [_libbitview_rs],
-    install : true
-  )
-endif
-
 idep_nak = declare_dependency(
   include_directories : include_directories('.'),
   link_with : _libnak,
diff --git a/src/nouveau/compiler/nvfuzz/main.rs b/src/nouveau/compiler/nvfuzz/main.rs
deleted file mode 100644
index c8e73d84cfd..00000000000
--- a/src/nouveau/compiler/nvfuzz/main.rs
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * Copyright © 2022 Collabora, Ltd.
- * SPDX-License-Identifier: MIT
- */
-
-extern crate bitview;
-
-use crate::bitview::*;
-
-use std::fs;
-use std::io::Write;
-use std::ops::Range;
-use std::path::PathBuf;
-use std::process::Command;
-
-const TMP_FILE: &str = "/tmp/nvfuzz";
-
-fn find_cuda() -> std::io::Result<PathBuf> {
-    let paths = fs::read_dir("/usr/local")?;
-
-    for path in paths {
-        let mut path = path?.path();
-        let Some(fname) = path.file_name() else {
-            continue;
-        };
-
-        let Some(fname) = fname.to_str() else {
-            continue;
-        };
-
-        if !fname.starts_with("cuda-") {
-            continue;
-        }
-
-        path.push("bin");
-        path.push("nvdisasm");
-        if path.exists() {
-            return Ok(path);
-        }
-    }
-
-    Err(std::io::Error::new(
-        std::io::ErrorKind::NotFound,
-        "Failed to find nvdisasm",
-    ))
-}
-
-//fn write_tmpfile(data: &[u32]) -> std::io::Result<()> {
-//    let mut file = std::fs::File::create(TMP_FILE)?;
-//    for dw in data {
-//        file.write(dw.to_le_bytes())?;
-//    }
-//}
-
-fn main() {
-    let args: Vec<String> = std::env::args().collect();
-    let sm: u8 = {
-        let sm_str = &args[1];
-        assert!(sm_str.starts_with("SM"));
-        sm_str[2..].parse().unwrap()
-    };
-    let range: Vec<&str> = args[2].split("..").collect();
-    let range: Range<usize> = Range {
-        start: range[0].parse().unwrap(),
-        end: range[1].parse().unwrap(),
-    };
-
-    let dw_count = if sm >= 70 {
-        4
-    } else if sm >= 50 {
-        8
-    } else {
-        panic!("Unknown shader model");
-    };
-
-    let mut instr = Vec::new();
-    for i in 0..dw_count {
-        instr.push(u32::from_str_radix(&args[3 + i], 16).unwrap());
-    }
-
-    let cuda_path = find_cuda().expect("Failed to find CUDA");
-
-    for bits in 0..(1_u64 << range.len()) {
-        BitMutView::new(&mut instr[..]).set_field(range.clone(), bits);
-
-        print!("With {:#x} in {}..{}:", bits, range.start, range.end);
-        for dw in &instr {
-            print!(" {:#x}", dw);
-        }
-        print!("\n");
-
-        let mut data = Vec::new();
-        for dw in &instr {
-            data.extend(dw.to_le_bytes());
-        }
-        std::fs::write(TMP_FILE, data).expect("Failed to write file");
-
-        let out = Command::new(cuda_path.as_path())
-            .arg("-b")
-            .arg(format!("SM{sm}"))
-            .arg(TMP_FILE)
-            .output()
-            .expect("failed to execute process");
-        std::io::stderr().write_all(&out.stderr).expect("IO error");
-        std::io::stdout().write_all(&out.stdout).expect("IO error");
-    }
-}