From eb6dd2be2cb81c65af6011493ae58fdd3b5f30a8 Mon Sep 17 00:00:00 2001
From: Imbus <>
Date: Mon, 13 Jan 2025 16:33:30 +0100
Subject: [PATCH] PTE flag comments

---
 kernel/riscv.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/kernel/riscv.h b/kernel/riscv.h
index c934309..47d5397 100644
--- a/kernel/riscv.h
+++ b/kernel/riscv.h
@@ -429,6 +429,16 @@ typedef u64 *pagetable_t; // 512 PTEs
 /**
  * Page Table Entry Flags
  */
+/** Valid */
+#define PTE_V (1L << 0)
+/** Readable */
+#define PTE_R (1L << 1)
+/** Writable */
+#define PTE_W (1L << 2)
+/** Executable */
+#define PTE_X (1L << 3)
+/** User-accessible */
+#define PTE_U (1L << 4)
 
 #define PTE_V (1L << 0) /** PTE Valid */
 #define PTE_R (1L << 1) /** PTE Readable */