From d89e51f7d4312ec9a3b8b7175475ef794c7c4d35 Mon Sep 17 00:00:00 2001
From: Kimplul <kimi.h.kuparinen@gmail.com>
Date: Thu, 31 Oct 2024 14:02:19 +0200
Subject: update some docs

---
 arch/riscv64/kernel/except.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'arch/riscv64/kernel/except.c')

diff --git a/arch/riscv64/kernel/except.c b/arch/riscv64/kernel/except.c
index 2525716..5f182fd 100644
--- a/arch/riscv64/kernel/except.c
+++ b/arch/riscv64/kernel/except.c
@@ -1,9 +1,24 @@
+/* SPDX-License-Identifier: copyleft-next-0.3.1 */
+/* Copyright 2024, Kim Kuparinen < kimi.h.kuparinen@gmail.com > */
+
+/**
+ * @file except.c
+ * riscv64 exception handling.
+ */
+
 #include <kmi/types.h>
 #include <kmi/panic.h>
 #include <kmi/debug.h>
 #include <kmi/vmem.h>
 #include <kmi/bkl.h>
 
+/**
+ * Handle exception. Intended to be called from entry.S.
+ *
+ * @param pc Where exception occurred.
+ * @param addr What address caused the exception, if any.
+ * @param id ID of exception, see riscv spec.
+ */
 void riscv_handle_exception(void *pc, void *addr, unsigned long id)
 {
 	switch (id) {
-- 
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