X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?p=pintos-anon;a=blobdiff_plain;f=src%2Flib%2Fuser%2Fsyscall.c;h=c8385bc3364b1eabc57e68bae885fe458537b42a;hp=2485530fc08f053bfd15935480b3474cc0528bf6;hb=ea904493370d2a752855cc93aad1e27b009dd917;hpb=252579b95653c24a2fdd1691b36dede118631596

diff --git a/src/lib/user/syscall.c b/src/lib/user/syscall.c
index 2485530..c8385bc 100644
--- a/src/lib/user/syscall.c
+++ b/src/lib/user/syscall.c
@@ -38,8 +38,8 @@
              "pushl %[number]; int $0x30; addl $12, %%esp"      \
                : "=a" (retval)                                  \
                : [number] "i" (NUMBER),                         \
-                 [arg0] "g" (ARG0),                             \
-                 [arg1] "g" (ARG1)                              \
+                 [arg0] "r" (ARG0),                             \
+                 [arg1] "r" (ARG1)                              \
                : "memory");                                     \
           retval;                                               \
         })
@@ -54,9 +54,9 @@
              "pushl %[number]; int $0x30; addl $16, %%esp"      \
                : "=a" (retval)                                  \
                : [number] "i" (NUMBER),                         \
-                 [arg0] "g" (ARG0),                             \
-                 [arg1] "g" (ARG1),                             \
-                 [arg2] "g" (ARG2)                              \
+                 [arg0] "r" (ARG0),                             \
+                 [arg1] "r" (ARG1),                             \
+                 [arg2] "r" (ARG2)                              \
                : "memory");                                     \
           retval;                                               \
         })
@@ -165,9 +165,20 @@ mkdir (const char *dir)
   return syscall1 (SYS_MKDIR, dir);
 }
 
-void
-lsdir (void)
+bool
+readdir (int fd, char name[READDIR_MAX_LEN + 1]) 
 {
-  syscall0 (SYS_LSDIR);
+  return syscall2 (SYS_READDIR, fd, name);
 }
 
+bool
+isdir (int fd) 
+{
+  return syscall1 (SYS_ISDIR, fd);
+}
+
+int
+inumber (int fd) 
+{
+  return syscall1 (SYS_INUMBER, fd);
+}