1 files changed, 8 insertions, 2 deletions
diff --git a/kernel/sysproc.c b/kernel/sysproc.c
index 4cf0697..bd9d0f0 100644
--- a/kernel/sysproc.c
+++ b/kernel/sysproc.c
@@ -74,8 +74,14 @@ sys_sleep(void)
 int
 sys_pgaccess(void)
 {
-  // lab pgtbl: your code here.
-  return 0;
+  uint64 base, mask;
+  int len;
+
+  
+  argaddr(0, &base);
+  argint(1, &len);
+  argaddr(2, &mask);
+  return pgaccess(base, len, mask);
 }
 #endif