From 1c8e37f63d413a559825020289178d442537449e Mon Sep 17 00:00:00 2001
From: Richard Qin <richard.qin.x@gmail.com>
Date: Fri, 2 Jan 2026 10:09:37 +0800
Subject: dev(sell): add simple libc and implement shell please see the log for
 detail.

---
 src/kernel/trap/handler.cc | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/kernel/trap/handler.cc')

diff --git a/src/kernel/trap/handler.cc b/src/kernel/trap/handler.cc
index c1626cc..3e73213 100644
--- a/src/kernel/trap/handler.cc
+++ b/src/kernel/trap/handler.cc
@@ -157,6 +157,12 @@ extern "C" void usertrap()
     }
     else if (scause == 15) // Store Page Fault
     {
+        uint64 pte = VM::walkaddr(p->pagetable, stval);
+
+        // Drivers::uart_puts("[Debug] Faulting PTE:");
+        // Drivers::print_hex(pte);
+        // Drivers::uart_puts("\n");
+
         if (VM::handle_cow_fault(p->pagetable, PGROUNDDOWN(stval)) != 0)
         {
             Drivers::uart_puts("usertrap: cow failed at ");
-- 
cgit v1.2.3