Changeset 296 for trunk/hal/tsar_mips32/drivers

Timestamp:

Jul 31, 2017, 1:59:52 PM (7 years ago)

Author:

alain

Message:

Several modifs in the generic scheduler and in the hal_context to
fix the context switch mechanism.

Location:

trunk/hal/tsar_mips32/drivers

Files:

• soclib_bdv.c (modified) (1 diff)
• soclib_dma.c (modified) (1 diff)
• soclib_hba.c (modified) (2 diffs)
• soclib_pic.c (modified) (3 diffs)
• soclib_tty.c (modified) (2 diffs)

trunk/hal/tsar_mips32/drivers/soclib_bdv.c

@@ -131 +131 @@
     { 
         thread_block( CURRENT_THREAD , THREAD_BLOCKED_DEV_ISR );
-        sched_yield();
+        sched_yield( NULL );
     }
     

trunk/hal/tsar_mips32/drivers/soclib_dma.c

@@ -91 +91 @@
     // Block and deschedule server thread
     thread_block( CURRENT_THREAD , THREAD_BLOCKED_DEV_ISR );
-    sched_yield();
+    sched_yield( NULL );
     
 } // soclib_dma_cmd()

trunk/hal/tsar_mips32/drivers/soclib_hba.c

@@ -197 +197 @@
             else                                // retry if asynchronous access.
             {
-                sched_yield();
+                sched_yield( NULL );
             }
         }
@@ -240 +240 @@
     {
         thread_block( CURRENT_THREAD , THREAD_BLOCKED_DEV_ISR );
-        sched_yield();
+        sched_yield( NULL );
     }
             

trunk/hal/tsar_mips32/drivers/soclib_pic.c

@@ -28 +28 @@
 #include <string.h>
 #include <vfs.h>
+#include <rpc.h>
 #include <cluster.h>
 #include <printk.h>
@@ -125 +126 @@
                            &pti_status );
 
-    irq_dmsg("\n[INFO] %s : enter / WTI_STS = %x / HWI_STS = %x / WTI_STS = %x\n",
-             __FUNCTION__ , wti_status , hwi_status , pti_status );
+    irq_dmsg("\n[INFO] %s : enter for core[%x,%d] / WTI = %x / HWI = %x / WTI = %x\n",
+             __FUNCTION__ , local_cxy , core->lid , wti_status , hwi_status , pti_status );
 
     // analyse status and handle up to 3 pending IRQ (one WTI, one HWI, one PTI)
@@ -142 +143 @@
             ack = base[(XCU_WTI_REG << 5) | core->lid];
 
-            // force scheduling
-            sched_yield();
+            // check RPC FIFO,  and activate or create a RPC thread
+            // it there is a pending RPC request
+            rpc_check();
         }
         else                                    // it is an external device

trunk/hal/tsar_mips32/drivers/soclib_tty.c

@@ -82 +82 @@
         // Block and deschedule server thread
         thread_block( CURRENT_THREAD , THREAD_BLOCKED_DEV_ISR );
-        sched_yield();
+        sched_yield( NULL );
     }
     else if( type == TXT_WRITE )        // descheduling strategy for calling thread
@@ -94 +94 @@
         // Block and deschedule server thread
         thread_block( CURRENT_THREAD , THREAD_BLOCKED_DEV_ISR );
-        sched_yield();
+        sched_yield( NULL );
     }
     else if( type == TXT_SYNC_WRITE )  // busy waiting strategy for calling thread