From c163605f8086c09c9007fae3d98bb379e4d75d01 Mon Sep 17 00:00:00 2001
From: Jennifer Averett <Jennifer.Averett@OARcorp.com>
Date: Mon, 18 Apr 2005 17:37:50 +0000
Subject: 2005-04-18	Jennifer Averett <jennifer.averett@oarcorp.com>

	* libchip/serial/ns16550.c: Modified
	ISR to work with PPC new exception processing
---
 c/src/ChangeLog                |  5 ++++
 c/src/libchip/serial/ns16550.c | 63 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 68 insertions(+)

diff --git a/c/src/ChangeLog b/c/src/ChangeLog
index 8b5fded3b5..6fd6b7600d 100644
--- a/c/src/ChangeLog
+++ b/c/src/ChangeLog
@@ -1,3 +1,8 @@
+2005-04-18      Jennifer Averett <jennifer.averett@oarcorp.com>
+
+        * libchip/serial/ns16550.c: Modified
+        ISR to work with PPC new exception processing
+
 2005-03-14	Joel Sherrill <joel@OARcorp.com>
 
 	* libchip/network/dec21140.c, libchip/network/elnk.c,
diff --git a/c/src/libchip/serial/ns16550.c b/c/src/libchip/serial/ns16550.c
index d98cd01f1f..01110f394a 100644
--- a/c/src/libchip/serial/ns16550.c
+++ b/c/src/libchip/serial/ns16550.c
@@ -67,7 +67,13 @@ console_fns ns16550_fns_polled = {
   FALSE                                /* deviceOutputUsesInterrupts */
 };
 
+#if defined(__PPC__)
+#ifdef _OLD_EXCEPTIONS
 extern void set_vector( rtems_isr_entry, rtems_vector_number, int );
+#else
+#include <bsp/irq.h>
+#endif
+#endif
 
 /*
  *  ns16550_init
@@ -510,6 +516,9 @@ NS16550_STATIC void ns16550_process(
   } while((ucInterruptId&0xf)!=0x1);
 }
 
+#if defined(__PPC__)
+#ifdef _OLD_EXCEPTIONS 
+
 /*
  *  ns16550_isr
  */
@@ -528,6 +537,26 @@ NS16550_STATIC rtems_isr ns16550_isr(
   }
 }
 
+#else
+
+NS16550_STATIC rtems_isr ns16550_isr(
+  void *entry 
+)
+{
+  console_tbl *ptr = entry;
+  int         minor;
+
+  for(minor=0;minor<Console_Port_Count;minor++) {
+    if( &Console_Port_Tbl[minor] == ptr ) {
+      ns16550_process(minor);
+    }
+  }
+
+}
+
+#endif
+#endif
+
 /*
  *  ns16550_enable_interrupts
  *
@@ -554,6 +583,8 @@ NS16550_STATIC void ns16550_enable_interrupts(
  *  This routine initializes the port to operate in interrupt driver mode.
  */
 
+#if defined(__PPC__)
+#ifdef _OLD_EXCEPTIONS
 NS16550_STATIC void ns16550_initialize_interrupts(int minor)
 {
   ns16550_init(minor);
@@ -561,10 +592,42 @@ NS16550_STATIC void ns16550_initialize_interrupts(int minor)
   Console_Port_Data[minor].bActive = FALSE;
 
   set_vector(ns16550_isr, Console_Port_Tbl[minor].ulIntVector, 1);
+  
+  ns16550_enable_interrupts(minor, NS16550_ENABLE_ALL_INTR);
+}
+#else
+
+static void null_fun(){}
+
+NS16550_STATIC void ns16550_initialize_interrupts(int minor)
+{
+  rtems_irq_connect_data IrqData = {0,
+                                    ns16550_isr,
+                                    &Console_Port_Data[minor],
+                                    (rtems_irq_enable)null_fun,
+                                    (rtems_irq_disable)null_fun,
+                                    (rtems_irq_is_enabled)null_fun,
+                                    NULL
+                                   };
+
+  ns16550_init(minor);
+
+  Console_Port_Data[minor].bActive = FALSE;
+
+  IrqData.name  = (rtems_irq_symbolic_name)(
+    (unsigned int)BSP_PCI_IRQ0 +  Console_Port_Tbl[minor].ulIntVector );
+
+  if (!BSP_install_rtems_shared_irq_handler (&IrqData)) {
+    printk("Error installing interrupt handler!\n");
+    rtems_fatal_error_occurred(1);
+  }
 
   ns16550_enable_interrupts(minor, NS16550_ENABLE_ALL_INTR);
 }
 
+#endif
+#endif
+
 /*
  *  ns16550_write_support_int
  *
-- 
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