Changeset 683 for trunk/kernel/kern/chdev.c

Timestamp:

Jan 13, 2021, 12:36:17 AM (4 years ago)

Author:

alain

Message:

All modifications required to support the <tcp_chat> application
including error recovery in case of packet loss.A

File:

• trunk/kernel/kern/chdev.c (modified) (4 diffs)

trunk/kernel/kern/chdev.c

@@ -87 +87 @@
 {
     chdev_t    * chdev;
-    kmem_req_t   req;
 
     // allocate memory for chdev
-    req.type   = KMEM_KCM;
-    req.order  = bits_log2( sizeof(chdev_t) );
-    req.flags  = AF_ZERO | AF_KERNEL;
-    chdev      = kmem_alloc( &req );
+    chdev = kmem_alloc( bits_log2(sizeof(chdev_t)) , AF_ZERO | AF_KERNEL );
 
     if( chdev == NULL ) return NULL;
@@ -114 +110 @@
 }  // end chdev_create()
 
-///////////////////////////////////
-void chdev_print( chdev_t * chdev )
-{
-    printk("\n - func      = %s"
-           "\n - channel   = %d"
-           "\n - base      = %l"
+/////////////////////////////////////
+void chdev_display( xptr_t chdev_xp )
+{
+    chdev_t * chdev = GET_PTR( chdev_xp );
+    cxy_t     cxy   = GET_CXY( chdev_xp );
+
+    char      name[16];
+
+    hal_remote_memcpy( XPTR( local_cxy, name ),
+                       XPTR( cxy , &chdev->name ), 16 );
+
+    printk("\n - chdev     = [%x,%x]"
+           "\n - name      = %s"
+           "\n - base      = [%x,%x]"
            "\n - cmd       = %x"
-           "\n - isr       = %x"
-           "\n - chdev     = %x\n",
-           chdev_func_str(chdev->func),
-           chdev->channel,
-           chdev->base,
-           chdev->cmd,
-           chdev->isr,
-           chdev );
-}
+           "\n - isr       = %x\n",
+           cxy,
+           chdev,
+           name,
+           GET_CXY( hal_remote_l64( XPTR( cxy , &chdev->base ))),
+           GET_PTR( hal_remote_l64( XPTR( cxy , &chdev->base ))),
+           hal_remote_lpt( XPTR( cxy , &chdev->cmd )),
+           hal_remote_lpt( XPTR( cxy , &chdev->isr )) );
+
+}  // end chdev_display()
 
 //////////////////////////////////////////////////
@@ -450 +455 @@
     chdev_t     * chdev_ptr;
 
-    assert( __FUNCTION__, (file_xp != XPTR_NULL) ,
-    "file_xp == XPTR_NULL\n" );
+assert( __FUNCTION__, (file_xp != XPTR_NULL) ,
+"file_xp == XPTR_NULL" );
 
     // get cluster and local pointer on remote file descriptor
@@ -462 +467 @@
     inode_ptr  = (vfs_inode_t *)hal_remote_lpt( XPTR( file_cxy , &file_ptr->inode ) );
 
-    assert( __FUNCTION__, (inode_type == FILE_TYPE_DEV) ,
-    "inode type %d is not FILE_TYPE_DEV\n", inode_type );
+assert( __FUNCTION__, (inode_type == FILE_TYPE_DEV) ,
+"inode type %d is not FILE_TYPE_DEV", inode_type );
 
     // get chdev local pointer from inode extension