Changeset 457 for trunk/hal/tsar_mips32/drivers/soclib_tty.c

Timestamp:

Aug 2, 2018, 11:47:13 AM (6 years ago)

Author:

alain

Message:

This version modifies the exec syscall and fixes a large number of small bugs.
The version number has been updated (0.1)

File:

• trunk/hal/tsar_mips32/drivers/soclib_tty.c (modified) (3 diffs)

trunk/hal/tsar_mips32/drivers/soclib_tty.c

@@ -272 +272 @@
     xptr_t       parent_main_xp;    // local pointer on parent process main thread
 
-    // get TXT chdev channel, direction and server thread
+    // get TXT chdev channel, direction, server thread, and server core
     channel    = chdev->channel;
     is_rx      = chdev->is_rx;
@@ -455 +455 @@
                 thread_unblock( XPTR( local_cxy , server ) , THREAD_BLOCKED_ISR );
 
-                // send IPI to core running server thread
-                dev_pic_send_ipi( local_cxy , server_lid );
+                // send IPI to core running server thread if required
+                if( server_lid != CURRENT_THREAD->core->lid )
+                {
+                    dev_pic_send_ipi( local_cxy , server_lid );
+                }
             }
             else
@@ -501 +504 @@
         thread_unblock( XPTR( local_cxy , server ) , THREAD_BLOCKED_ISR );
 
-        // send IPI to core running server thread
-        dev_pic_send_ipi( local_cxy , server_lid );
+        // send IPI to core running server thread if required
+        if( server_lid != CURRENT_THREAD->core->lid )
+        {
+            dev_pic_send_ipi( local_cxy , server_lid );
+        }
 
     }  // end TX