Changeset 8a7ed82 in rtems for c/src/lib/libbsp/i386/pc386/clock

Timestamp:

Aug 1, 2011, 1:41:37 PM (9 years ago)

Author:

Jennifer Averett <Jennifer.Averett@…>

Branches:

4.11, 5, master

Children:

01f2692e

Parents:

864dd9ad

Message:

2011-08-01 Jennifer Averett <Jennifer.Averett@…>

PR 1802

• Makefile.am, configure.ac, preinstall.am, clock/ckinit.c, start/start16.S, startup/bspstart.c, startup/ldsegs.S: Add SMP support for i386.

File:

• c/src/lib/libbsp/i386/pc386/clock/ckinit.c (modified) (4 diffs)

c/src/lib/libbsp/i386/pc386/clock/ckinit.c

@@ -235 +235 @@
   pc386_clock_click_count = US_TO_TICK(pc386_microseconds_per_isr);
 
+  BSP_irq_enable_at_i8259s( BSP_PERIODIC_TIMER - BSP_IRQ_VECTOR_BASE );
+
   #if 0
     printk( "configured usecs per tick=%d \n",
@@ -272 +274 @@
   rtems_vector_number vector
 );
+
+bool Clock_isr_enabled = false;
+void Clock_isr_handler(
+  rtems_irq_hdl_param param 
+)
+{
+  if ( Clock_isr_enabled )
+    Clock_isr( 0 );
+}
+
 static rtems_irq_connect_data clockIrqData = {
   BSP_PERIODIC_TIMER,
-  (void *)Clock_isr,
+  Clock_isr_handler,
   0,
   clockOn,
@@ -280 +292 @@
   clockIsOn
 };
+
+void Clock_driver_install_handler(void)
+{
+  if (!BSP_install_rtems_irq_handler (&clockIrqData)) {
+    printk("Unable to install system clock ISR handler\n");
+    rtems_fatal_error_occurred(1);
+  }
+}
 
 void Clock_driver_support_initialize_hardware(void)
@@ -319 +339 @@
   );
 
-  if (!BSP_install_rtems_irq_handler (&clockIrqData)) {
-    printk("Unable to initialize system clock\n");
-    rtems_fatal_error_occurred(1);
-  }
-
+  Clock_isr_enabled = true;
 }