Changeset 610 for trunk/kernel/fs/devfs.c

Timestamp:

Dec 27, 2018, 7:38:58 PM (5 years ago)

Author:

alain

Message:

Fix several bugs in VFS to support the following
ksh commandis : cp, mv, rm, mkdir, cd, pwd

File:

• trunk/kernel/fs/devfs.c (modified) (13 diffs)

trunk/kernel/fs/devfs.c

@@ -93 +93 @@
     xptr_t   unused_xp;   // required by vfs_add_child_in_parent()
 
-    // creates DEVFS "dev" inode in cluster 0
+    // create DEVFS "dev" inode in cluster 0
     error = vfs_add_child_in_parent( 0,                // cxy
                                      INODE_TYPE_DIR,
@@ -102 +102 @@
                                      devfs_dev_inode_xp );
 
-    assert( (error == 0) , "cannot create <dev>\n" );
+// check success
+assert( (error == 0) , "cannot create <dev>\n" );
 
 #if DEBUG_DEVFS_INIT
@@ -149 +150 @@
     // create "internal" directory 
     snprintf( node_name , 16 , "internal_%x" , local_cxy );
+
     vfs_add_child_in_parent( local_cxy,
                              INODE_TYPE_DIR,
@@ -169 +171 @@
     {
         chdev_ptr = GET_PTR( chdev_xp );
+        chdev_cxy = GET_CXY( chdev_xp );
+
+assert( (chdev_cxy == local_cxy ), 
+"illegal MMC chdev_xp in cluster %x\n", local_cxy );
+
         vfs_add_child_in_parent( local_cxy,
                                  INODE_TYPE_DEV,
@@ -198 +205 @@
         {
             chdev_ptr = GET_PTR( chdev_xp );
+            chdev_cxy = GET_CXY( chdev_xp );
+
+assert( (chdev_cxy == local_cxy ), 
+"illegal DMA[%d] chdev_xp in cluster %x\n", channel, local_cxy );
+
             vfs_add_child_in_parent( local_cxy,
                                      INODE_TYPE_DEV,
@@ -226 +238 @@
         chdev_cxy = GET_CXY( chdev_xp );
         chdev_ptr = GET_PTR( chdev_xp );
+
         if( chdev_cxy == local_cxy )
         {
@@ -256 +269 @@
         chdev_cxy = GET_CXY( chdev_xp );
         chdev_ptr = GET_PTR( chdev_xp );
+
         if( chdev_cxy == local_cxy )
         {
@@ -288 +302 @@
             chdev_cxy = GET_CXY( chdev_xp );
             chdev_ptr = GET_PTR( chdev_xp );
+
             if( chdev_cxy == local_cxy )
             {
@@ -321 +336 @@
             chdev_cxy = GET_CXY( chdev_xp );
             chdev_ptr = GET_PTR( chdev_xp );
+
             if( chdev_cxy == local_cxy )
             {
@@ -354 +370 @@
             chdev_cxy = GET_CXY( chdev_xp );
             chdev_ptr = GET_PTR( chdev_xp );
+
             if( chdev_cxy == local_cxy )
             {
@@ -387 +404 @@
             chdev_cxy = GET_CXY( chdev_xp );
             chdev_ptr = GET_PTR( chdev_xp );
+
             if( chdev_cxy == local_cxy )
             {
@@ -419 +437 @@
         {
             chdev_cxy = GET_CXY( chdev_xp );
-            chdev_ptr = (chdev_t *)GET_PTR( chdev_xp );
+            chdev_ptr = GET_PTR( chdev_xp );
+
             if( chdev_cxy == local_cxy )
             {
@@ -447 +466 @@
             chdev_cxy = GET_CXY( chdev_xp );
             chdev_ptr = GET_PTR( chdev_xp );
+
             if( chdev_cxy == local_cxy )
             {