xnu-3789.41.3.tar.gz

[apple/xnu.git] / pexpert / i386 / pe_interrupt.c

diff --git a/pexpert/i386/pe_interrupt.c b/pexpert/i386/pe_interrupt.c
index a3d3a3a64d230c1edf0884c816da23f1b735255f..19b0e003feb20fbd9678c6556fcdd7ea3955d448 100644 (file)
--- a/pexpert/i386/pe_interrupt.c
+++ b/pexpert/i386/pe_interrupt.c
@@ -1,28 +1,40 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 #include <pexpert/pexpert.h>
 #include <pexpert/protos.h>
 #include <machine/machine_routines.h>
-#include <sys/kdebug.h>
+
+#if CONFIG_DTRACE && DEVELOPMENT
+#include <mach/sdt.h>
+#endif
+
+void PE_incoming_interrupt(int);
+
 
 struct i386_interrupt_handler {
        IOInterruptHandler      handler;
@@ -35,30 +47,32 @@ typedef struct i386_interrupt_handler i386_interrupt_handler_t;
 
 i386_interrupt_handler_t       PE_interrupt_handler;
 
-void PE_platform_interrupt_initialize(void)
-{
-}
+
 
 void
-PE_incoming_interrupt(int interrupt, void *eip)
+PE_incoming_interrupt(int interrupt)
 {
-       boolean_t               save_int;
        i386_interrupt_handler_t        *vector;
 
-       KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_INTR, 0) | DBG_FUNC_START,
-          0, (unsigned int)eip, 0, 0, 0);
-
        vector = &PE_interrupt_handler;
-       save_int  = ml_set_interrupts_enabled(FALSE);
-       vector->handler(vector->target, vector->refCon, vector->nub, interrupt);
-       ml_set_interrupts_enabled(save_int);
 
-       KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_INTR, 0) | DBG_FUNC_END,
-          0, 0, 0, 0, 0);
+#if CONFIG_DTRACE && DEVELOPMENT
+        DTRACE_INT5(interrupt_start, void *, vector->nub, int, 0, 
+                    void *, vector->target, IOInterruptHandler, vector->handler,
+                    void *, vector->refCon);
+#endif
+
+       vector->handler(vector->target, NULL, vector->nub, interrupt);
 
+#if CONFIG_DTRACE && DEVELOPMENT
+        DTRACE_INT5(interrupt_complete, void *, vector->nub, int, 0, 
+                    void *, vector->target, IOInterruptHandler, vector->handler,
+                    void *, vector->refCon);
+#endif
 }
 
-void PE_install_interrupt_handler(void *nub, int source,
+void PE_install_interrupt_handler(void *nub,
+                                 __unused int source,
                                  void *target,
                                  IOInterruptHandler handler,
                                  void *refCon)