From ae442212be02b16b7e8b2d4e7d1e683040a28532 Mon Sep 17 00:00:00 2001
From: Yeongjin Jang <yeongjin.jang@oregonstate.edu>
Date: Mon, 1 Apr 2019 01:22:52 -0700
Subject: [PATCH] hint

---
 kern/monitor.c | 5 ++++-
 lib/printfmt.c | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/kern/monitor.c b/kern/monitor.c
index e137e92..ee25809 100644
--- a/kern/monitor.c
+++ b/kern/monitor.c
@@ -21,6 +21,7 @@ struct Command {
 	int (*func)(int argc, char** argv, struct Trapframe* tf);
 };
 
+// LAB 1: add your command to here...
 static struct Command commands[] = {
 	{ "help", "Display this list of commands", mon_help },
 	{ "kerninfo", "Display information about the kernel", mon_kerninfo },
@@ -57,7 +58,9 @@ mon_kerninfo(int argc, char **argv, struct Trapframe *tf)
 int
 mon_backtrace(int argc, char **argv, struct Trapframe *tf)
 {
-	// Your code here.
+	// LAB 1: Your code here.
+    // HINT 1: use read_ebp().
+    // HINT 2: print the current ebp on the first line (not current_ebp[0])
 	return 0;
 }
 
diff --git a/lib/printfmt.c b/lib/printfmt.c
index 28e01c9..802adcd 100644
--- a/lib/printfmt.c
+++ b/lib/printfmt.c
@@ -205,7 +205,7 @@ vprintfmt(void (*putch)(int, void*), void *putdat, const char *fmt, va_list ap)
 
 		// (unsigned) octal
 		case 'o':
-			// Replace this with your code.
+			// LAB 1: Replace this with your code.
 			putch('X', putdat);
 			putch('X', putdat);
 			putch('X', putdat);