Changeset 408 for trunk/kernel/devices/dev_dma.c

Timestamp:

Dec 5, 2017, 4:20:07 PM (6 years ago)

Author:

alain

Message:

Fix several bugs in the fork() syscall.

File:

• trunk/kernel/devices/dev_dma.c (modified) (2 diffs)

trunk/kernel/devices/dev_dma.c

@@ -47 +47 @@
 
     // set dma name
-    snprintf( dma->name , 16 , "dma_%d_%x" , channel , local_cxy );
+    snprintf( dma->name , 16 , "dma%d_%x" , channel , local_cxy );
 
     // call driver init function
@@ -72 +72 @@
     }
 
-    // initialises server field in DMA chdev descriptor
+    // initialises server field in chdev descriptor
     dma->server = new_thread;
+
+    // initializes chdev field in thread descriptor
+    new_thread->chdev = dma;
     
-    // start server thread
-    thread_block( new_thread , THREAD_BLOCKED_DEV_QUEUE );
+    // unblock server thread
     thread_unblock( XPTR( local_cxy , new_thread ) , THREAD_BLOCKED_GLOBAL );