Changeset 175 for soft/giet_vm/libs/mwmr_channel.c

Timestamp:

Jul 21, 2012, 10:20:47 AM (12 years ago)

Author:

karaoui

Message:

+ Adding the init attribute to the mwmr to specify the width of the mwmr channel
+ Fixing bugs in kernels_init

File:

• soft/giet_vm/libs/mwmr_channel.c (modified) (4 diffs)

soft/giet_vm/libs/mwmr_channel.c

@@ -33 +33 @@
 #include <mwmr_channel.h>
 #include <stdio.h>
+#include <common.h>
 
 //////////////////////////////////////////////////////////////////////////////
@@ -85 +86 @@
     unsigned int    ptw;        // channel ptw
 
+    if(nitems == 0)
+        return;
+
+    assert(buffer && "mwmr write: Empty buffer");
+
     while(1)
     {
@@ -118 +124 @@
         else    // write as many items as possible, release lock and retry after delay
         {
-            nwords = (spaces/width) * width;  // integer nmber of items
+            nwords = (spaces/width) * width;  // integer number of items
             for ( x = 0 ; x < nwords ; x++ )  
             {
@@ -157 +163 @@
     unsigned int    ptr;        // channel ptw
 
+    if(nitems == 0)
+        return;
+
+    assert(buffer && "mwmr read: Empty buffer");
+
     while(1)
     {