From 6f126b676128e9a122f55a5c003ae30b3656ed88 Mon Sep 17 00:00:00 2001
From: "Chloe M." <chloe@mensia.org>
Date: Mon, 22 Jun 2026 07:21:05 +0000
Subject: [PATCH] stos: hal: Add kernel processor control region

Signed-off-by: Chloe M. <chloe@mensia.org>
---
 paw/stos/head/hal/kpcr.h | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 paw/stos/head/hal/kpcr.h

diff --git a/paw/stos/head/hal/kpcr.h b/paw/stos/head/hal/kpcr.h
new file mode 100644
index 0000000..8c81149
--- /dev/null
+++ b/paw/stos/head/hal/kpcr.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2026, Chloe M.
+ * Provided under the BSD-3 clause.
+ *
+ * Description:  Kernel processor control region
+ * Author:       Chloe M.
+ */
+
+#ifndef _HAL_KPCR_H_
+#define _HAL_KPCR_H_ 1
+
+#include <stdef.h>
+
+/*
+ * The kernel processor control region contains MI
+ * information about the processor.
+ *
+ * @CoreId:  Processor core ID assigned by us
+ */
+typedef struct {
+    USHORT CoreId;
+} KPCR;
+
+#endif  /* !_HAL_KPCR_H_ */