From 95d51d25aecf1b7d575403cb3cf3424911fcc2d0 Mon Sep 17 00:00:00 2001
From: Michael <michael.lindman@gmail.com>
Date: Sun, 18 Feb 2024 16:56:48 +0000
Subject: [PATCH] test

---
 IO-Exit.patch | 13 +++++++++++++
 overlay.nix   |  7 +++++++
 release.nix   |  3 ++-
 3 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 IO-Exit.patch
 create mode 100644 overlay.nix

diff --git a/IO-Exit.patch b/IO-Exit.patch
new file mode 100644
index 0000000..b1c102e
--- /dev/null
+++ b/IO-Exit.patch
@@ -0,0 +1,13 @@
+diff --git a/hw/misc/debugexit.c b/hw/misc/debugexit.c
+index ab6de69ce7..b309a36e17 100644
+--- a/hw/misc/debugexit.c
++++ b/hw/misc/debugexit.c
+@@ -32,7 +32,7 @@ static uint64_t debug_exit_read(void *opaque, hwaddr addr, unsigned size)
+ static void debug_exit_write(void *opaque, hwaddr addr, uint64_t val,
+                              unsigned width)
+ {
+-    exit((val << 1) | 1);
++    exit(val);
+ }
+
+ static const MemoryRegionOps debug_exit_ops = {
diff --git a/overlay.nix b/overlay.nix
new file mode 100644
index 0000000..3ed335b
--- /dev/null
+++ b/overlay.nix
@@ -0,0 +1,7 @@
+    final: prev: {
+        patched-qemu = prev.qemu.overrideAttrs (previousAttrs: {
+            patches = previousAttrs.patches ++ [
+            ./IO-Exit.patch
+            ];
+        });
+    }
diff --git a/release.nix b/release.nix
index 486533e..04eedd6 100644
--- a/release.nix
+++ b/release.nix
@@ -1,6 +1,7 @@
 { ... }:
 let
-    pkgs = (import <nixpkgs> {});
+    my_overlay = import ./overlay.nix
+    pkgs = import <nixpkgs> { overlay [ my_overlay ]; };
 in {
     qemu = pkgs.qemu;
 }