Changeset 674 for trunk/kernel/devices/dev_dma.c

Timestamp:

Nov 20, 2020, 12:04:01 AM (4 years ago)

Author:

alain

Message:

1) Introduce up to 4 command lines arguments in the KSH "load" command.
These arguments are transfered to the user process through the
argc/argv mechanism, using the user space "args" vseg.

2) Introduce the named and anonymous "pipes", for inter-process communication
through the pipe() and mkfifo() syscalls.

3) Introduce the "chat" application to validate the two above mechanisms.

4) Improve printk() and assert() fonctions in printk.c.

File:

• trunk/kernel/devices/dev_dma.c (modified) (4 diffs)

trunk/kernel/devices/dev_dma.c

@@ -45 +45 @@
 
     // set dma name
-    snprintf( dma->name , 16 , "dma%d_%x" , channel , local_cxy );
+    snprintk( dma->name , 16 , "dma%d_%x" , channel , local_cxy );
 
     // call driver init function
@@ -69 +69 @@
     if( error )
     {
-        assert( false , "cannot create server thread" );
+        assert( __FUNCTION__, false , "cannot create server thread" );
     }
 
@@ -104 +104 @@
 
 // check DMA chdev definition
-assert( (dev_xp != XPTR_NULL) , "undefined DMA chdev descriptor" );
+assert( __FUNCTION__, (dev_xp != XPTR_NULL) , "undefined DMA chdev descriptor" );
 
     // register command in calling thread descriptor
@@ -151 +151 @@
 
 // check DMA chdev definition
-assert( (dev_xp != XPTR_NULL) , "undefined DMA chdev descriptor" );
+assert( __FUNCTION__, (dev_xp != XPTR_NULL) , "undefined DMA chdev descriptor" );
 
     // register command in calling thread descriptor