From: Ben Pfaff <blp@cs.stanford.edu>
Date: Wed, 4 Jan 2006 18:56:16 +0000 (+0000)
Subject: Move PF_* from exception.c to exception.h, because some students may
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=42428b5613cb885d3d1fa9933f6dc51f5a6c8019;p=pintos-anon

Move PF_* from exception.c to exception.h, because some students may
wish to pass them around.
Suggested by Godmar Back.
---

diff --git a/src/userprog/exception.c b/src/userprog/exception.c
index d4e02b9..47bfbc2 100644
--- a/src/userprog/exception.c
+++ b/src/userprog/exception.c
@@ -108,11 +108,6 @@ kill (struct intr_frame *f)
     }
 }
 
-/* Page fault error code bits that describe the cause of the exception.  */
-#define PF_P 0x1    /* 0: not-present page. 1: access rights violation. */
-#define PF_W 0x2    /* 0: read, 1: write. */
-#define PF_U 0x4    /* 0: kernel, 1: user process. */
-
 /* Page fault handler.  This is a skeleton that must be filled in
    to implement virtual memory.  Some solutions to project 2 may
    also require modifying this code.