nix: patch peakrdl-regblock to silence verilator's MULTIDRIVEN warning

4 files changed, 129 insertions, 0 deletions

diff --git a/nix/peakrdl/0001-Add-verilator-MULTIDRIVEN-hack.patch b/nix/peakrdl/0001-Add-verilator-MULTIDRIVEN-hack.patch
new file mode 100644
index 0000000..13bf7c1
--- /dev/null
+++ b/nix/peakrdl/0001-Add-verilator-MULTIDRIVEN-hack.patch
@@ -0,0 +1,24 @@
+From aef302875ec38e6f91e04f9368ba0ed84cc73b69 Mon Sep 17 00:00:00 2001
+From: Alejandro Soto <alejandro@34project.org>
+Date: Sun, 5 May 2024 18:17:10 -0600
+Subject: [PATCH] Add verilator MULTIDRIVEN hack
+
+---
+ src/peakrdl_regblock/module_tmpl.sv | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/peakrdl_regblock/module_tmpl.sv b/src/peakrdl_regblock/module_tmpl.sv
+index bcb8566..92183b5 100644
+--- a/src/peakrdl_regblock/module_tmpl.sv
++++ b/src/peakrdl_regblock/module_tmpl.sv
+@@ -27,6 +27,7 @@ module {{ds.module_name}}
+         {{hwif.port_declaration|indent(8)}}
+     );
+ 
++    // verilator lint_off MULTIDRIVEN
+     //--------------------------------------------------------------------------
+     // CPU Bus interface logic
+     //--------------------------------------------------------------------------
+-- 
+2.42.0
+
diff --git a/nix/peakrdl/peakrdl-regblock.nix b/nix/peakrdl/peakrdl-regblock.nix
new file mode 100644
index 0000000..3a3f0f6
--- /dev/null
+++ b/nix/peakrdl/peakrdl-regblock.nix
@@ -0,0 +1,42 @@
+{ buildPythonPackage
+, callPackage
+, fetchPypi
+, jinja2
+, lib
+, setuptools
+, setuptools-scm
+}:
+let
+  pname = "peakrdl-regblock";
+  version = "0.22.0";
+in
+buildPythonPackage {
+  inherit pname version;
+  format = "pyproject";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-N+YZSuHdSSMCmgko5YZpa7wDj3vMy2J7prPdfjj53GA=";
+  };
+
+  patches = [
+    ./0001-Add-verilator-MULTIDRIVEN-hack.patch
+  ];
+
+  propagatedBuildInputs = [
+    jinja2
+    (callPackage ./systemrdl-compiler.nix { })
+  ];
+
+  propagatedNativeBuildInputs = [
+    setuptools
+    setuptools-scm
+  ];
+
+  meta = {
+    description = "Compile SystemRDL into a SystemVerilog control/status register (CSR) block";
+    changelog = "https://github.com/SystemRDL/${pname}/releases/tag/v${version}";
+    homepage = "https://github.com/SystemRDL/${pname}";
+    license = lib.licenses.gpl3;
+  };
+}
diff --git a/nix/peakrdl/peakrdl.nix b/nix/peakrdl/peakrdl.nix
new file mode 100644
index 0000000..48cf1fa
--- /dev/null
+++ b/nix/peakrdl/peakrdl.nix
@@ -0,0 +1,31 @@
+{ buildPythonPackage
+, fetchPypi
+, lib
+, setuptools
+, setuptools-scm
+}:
+let
+  pname = "peakrdl";
+  version = "1.1.0";
+in
+buildPythonPackage {
+  inherit pname version;
+  format = "pyproject";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-ZiqdXOaovFnOymvUQvT76OSwHlP+FLm/fuj5H/bY10w=";
+  };
+
+  propagatedNativeBuildInputs = [
+    setuptools
+    setuptools-scm
+  ];
+
+  meta = {
+    description = "PeakRDL is a free and open-source control & status register (CSR) toolchain";
+    changelog = "https://github.com/SystemRDL/${pname}/releases/tag/v${version}";
+    homepage = "https://github.com/SystemRDL/${pname}";
+    license = lib.licenses.gpl3;
+  };
+}
diff --git a/nix/peakrdl/systemrdl-compiler.nix b/nix/peakrdl/systemrdl-compiler.nix
new file mode 100644
index 0000000..00c92d7
--- /dev/null
+++ b/nix/peakrdl/systemrdl-compiler.nix
@@ -0,0 +1,32 @@
+{ antlr4-python3-runtime
+, buildPythonPackage
+, colorama
+, fetchPypi
+, lib
+, markdown
+}:
+let
+  pname = "systemrdl-compiler";
+  version = "1.27.3";
+in
+buildPythonPackage {
+  inherit pname version;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-22g1S/8ZTMcjbtaLrGTFu4GpoXtbp7bzezAHilClOj4=";
+  };
+
+  propagatedBuildInputs = [
+    antlr4-python3-runtime
+    colorama
+    markdown
+  ];
+
+  meta = {
+    description = "Parse and elaborate front-end for SystemRDL 2.0";
+    changelog = "https://github.com/SystemRDL/${pname}/releases/tag/v${version}";
+    homepage = "https://github.com/SystemRDL/${pname}";
+    license = lib.licenses.mit;
+  };
+}