From 6b703b012a83484aef2542458c534ae54b0199e1 Mon Sep 17 00:00:00 2001
From: Jacob Lifshay <programmerjake@gmail.com>
Date: Mon, 27 Oct 2025 20:25:40 -0700
Subject: [PATCH] add Serialize/Deserialize impls for CpuConfig

---
 Cargo.lock               | 1 +
 Cargo.toml               | 1 +
 crates/cpu/Cargo.toml    | 1 +
 crates/cpu/src/config.rs | 5 +++--
 crates/cpu/src/unit.rs   | 3 ++-
 5 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 53f08f2..0e630d1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -210,6 +210,7 @@ name = "cpu"
 version = "0.1.0"
 dependencies = [
  "fayalite",
+ "serde",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 57ca631..a3e74f0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,6 +15,7 @@ rust-version = "1.89.0"
 
 [workspace.dependencies]
 fayalite = { git = "https://git.libre-chip.org/libre-chip/fayalite.git", version = "0.3.0", branch = "master" }
+serde = { version = "1.0.202", features = ["derive"] }
 
 [profile.dev]
 opt-level = 1
diff --git a/crates/cpu/Cargo.toml b/crates/cpu/Cargo.toml
index 16ec0b9..4dd85d8 100644
--- a/crates/cpu/Cargo.toml
+++ b/crates/cpu/Cargo.toml
@@ -16,3 +16,4 @@ version.workspace = true
 
 [dependencies]
 fayalite.workspace = true
+serde.workspace = true
diff --git a/crates/cpu/src/config.rs b/crates/cpu/src/config.rs
index 4e66010..9a66c68 100644
--- a/crates/cpu/src/config.rs
+++ b/crates/cpu/src/config.rs
@@ -8,9 +8,10 @@ use crate::{
     },
 };
 use fayalite::prelude::*;
+use serde::{Deserialize, Serialize};
 use std::num::NonZeroUsize;
 
-#[derive(Clone, Eq, PartialEq, Hash, Debug)]
+#[derive(Clone, Eq, PartialEq, Hash, Debug, Serialize, Deserialize)]
 #[non_exhaustive]
 pub struct UnitConfig {
     pub kind: UnitKind,
@@ -27,7 +28,7 @@ impl UnitConfig {
     }
 }
 
-#[derive(Clone, Eq, PartialEq, Hash, Debug)]
+#[derive(Clone, Eq, PartialEq, Hash, Debug, Serialize, Deserialize)]
 #[non_exhaustive]
 pub struct CpuConfig {
     pub units: Vec<UnitConfig>,
diff --git a/crates/cpu/src/unit.rs b/crates/cpu/src/unit.rs
index d6cd1d6..b71f79a 100644
--- a/crates/cpu/src/unit.rs
+++ b/crates/cpu/src/unit.rs
@@ -15,6 +15,7 @@ use fayalite::{
     intern::{Intern, Interned},
     prelude::*,
 };
+use serde::{Deserialize, Serialize};
 
 pub mod alu_branch;
 pub mod unit_base;
@@ -36,7 +37,7 @@ macro_rules! all_units {
         }
     ) => {
         $(#[$enum_meta])*
-        #[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Debug)]
+        #[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Debug, Serialize, Deserialize)]
         $vis enum $UnitKind {
             $(
                 $(#[$variant_meta])*