xnu-792.17.14.tar.gz

[apple/xnu.git] / osfmk / i386 / apic.h

diff --git a/osfmk/i386/apic.h b/osfmk/i386/apic.h
index d7e684655df5f53c14b40860b8564a0fa8fe6865..6cce0663ce3e0b89fa9790551d3578acb284d45e 100644 (file)
--- a/osfmk/i386/apic.h
+++ b/osfmk/i386/apic.h
@@ -1,16 +1,19 @@
 /*
  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * 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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * 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.
+ * 
+ * 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
@@ -20,12 +23,14 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
  * 
  */
+#ifndef _I386_APIC_H_
+#define _I386_APIC_H_
 
 #define LAPIC_START                    0xFEE00000
 #define LAPIC_SIZE                     0x00000400
@@ -100,9 +105,38 @@
 #define                LAPIC_LVT_TM_LEVEL      0x08000
 #define                LAPIC_LVT_MASKED        0x10000
 #define                LAPIC_LVT_PERIODIC      0x20000
-#define LAPIC_INITIAL_COUNT_TIMER      0x00000380
-#define LAPIC_CURRENT_COUNT_TIMER      0x00000390
+#define LAPIC_TIMER_INITIAL_COUNT      0x00000380
+#define LAPIC_TIMER_CURRENT_COUNT      0x00000390
 #define LAPIC_TIMER_DIVIDE_CONFIG      0x000003E0
+/* divisor encoded by bits 0,1,3 with bit 2 always 0: */
+#define        LAPIC_TIMER_DIVIDE_MASK 0x0000000F
+#define        LAPIC_TIMER_DIVIDE_2    0x00000000
+#define        LAPIC_TIMER_DIVIDE_4    0x00000001
+#define        LAPIC_TIMER_DIVIDE_8    0x00000002
+#define        LAPIC_TIMER_DIVIDE_16   0x00000003
+#define        LAPIC_TIMER_DIVIDE_32   0x00000008
+#define        LAPIC_TIMER_DIVIDE_64   0x00000009
+#define        LAPIC_TIMER_DIVIDE_128  0x0000000A
+#define        LAPIC_TIMER_DIVIDE_1    0x0000000B
+
+#ifndef        ASSEMBLER
+#include <stdint.h>
+typedef enum {
+       periodic,
+       one_shot
+} lapic_timer_mode_t;
+typedef enum { 
+       divide_by_1   = LAPIC_TIMER_DIVIDE_1,
+       divide_by_2   = LAPIC_TIMER_DIVIDE_2,
+       divide_by_4   = LAPIC_TIMER_DIVIDE_4,
+       divide_by_8   = LAPIC_TIMER_DIVIDE_8,
+       divide_by_16  = LAPIC_TIMER_DIVIDE_16,
+       divide_by_32  = LAPIC_TIMER_DIVIDE_32,
+       divide_by_64  = LAPIC_TIMER_DIVIDE_64,
+       divide_by_128 = LAPIC_TIMER_DIVIDE_128
+} lapic_timer_divide_t;
+typedef uint32_t lapic_timer_count_t;
+#endif /* ASSEMBLER */
 
 #define IOAPIC_START                   0xFEC00000
 #define        IOAPIC_SIZE                     0x00000020
@@ -128,3 +162,6 @@
 #define                IOA_R_R_IP_PLRITY_LOW   0x02000
 #define                IOA_R_R_TM_LEVEL        0x08000
 #define                IOA_R_R_MASKED          0x10000
+
+#endif /* _I386_APIC_H_ */
+