Commit 1b97881e38

@@ -4,10 +4,6 @@
 #ifndef _ARM__LIMITS_H_
 #define _ARM__LIMITS_H_
 
-#if defined (__arm__) || defined (__arm64__)
-
 #define __DARWIN_CLK_TCK                100     /* ticks per second */
 
-#endif /* defined (__arm__) || defined (__arm64__) */
-
 #endif  /* _ARM__LIMITS_H_ */
\ No newline at end of file

@@ -29,8 +29,6 @@
 #ifndef __ARM_MCONTEXT_H_
 #define __ARM_MCONTEXT_H_
 
-#if defined (__arm__) || defined (__arm64__)
-
 #include <sys/cdefs.h> /* __DARWIN_UNIX03 */
 #include <sys/appleapiopts.h>
 #include <mach/machine/_structs.h>
@@ -90,6 +88,4 @@ typedef _STRUCT_MCONTEXT32      *mcontext_t;
 #endif
 #endif /* _MCONTEXT_T */
 
-#endif /* defined (__arm__) || defined (__arm64__) */
-
 #endif /* __ARM_MCONTEXT_H_ */
\ No newline at end of file

@@ -5,8 +5,6 @@
 #ifndef _ARM__PARAM_H_
 #define _ARM__PARAM_H_
 
-#if defined (__arm__) || defined (__arm64__)
-
 #include <arm/_types.h>
 
 /*
@@ -20,6 +18,5 @@
 #define      __DARWIN_ALIGNBYTES32     (sizeof(__uint32_t) - 1)
 #define       __DARWIN_ALIGN32(p)       ((__darwin_size_t)((__darwin_size_t)(p) + __DARWIN_ALIGNBYTES32) &~ __DARWIN_ALIGNBYTES32)
 
-#endif /* defined (__arm__) || defined (__arm64__) */
 
 #endif /* _ARM__PARAM_H_ */
\ No newline at end of file

@@ -4,8 +4,6 @@
 #ifndef _BSD_ARM__TYPES_H_
 #define _BSD_ARM__TYPES_H_
 
-#if defined (__arm__) || defined (__arm64__)
-
 /*
  * This header file contains integer types.  It's intended to also contain
  * flotaing point and other arithmetic types, as needed, later.
@@ -97,6 +95,4 @@ typedef __uint32_t              __darwin_socklen_t;     /* socklen_t (duh) */
 typedef long                    __darwin_ssize_t;       /* byte count or error */
 typedef long                    __darwin_time_t;        /* time() */
 
-#endif /* defined (__arm__) || defined (__arm64__) */
-
 #endif  /* _BSD_ARM__TYPES_H_ */
\ No newline at end of file

@@ -28,8 +28,6 @@
 #ifndef _ARM_ARCH_H
 #define _ARM_ARCH_H
 
-#if defined (__arm__) || defined (__arm64__)
-
 /* Collect the __ARM_ARCH_*__ compiler flags into something easier to use. */
 #if defined (__ARM_ARCH_7A__) || defined (__ARM_ARCH_7S__) || defined (__ARM_ARCH_7F__) || defined (__ARM_ARCH_7K__)
 #define _ARM_ARCH_7
@@ -66,6 +64,4 @@
 #define _ARM_ARCH_4
 #endif
 
-#endif /* defined (__arm__) || defined (__arm64__) */
-
 #endif
\ No newline at end of file

@@ -42,8 +42,6 @@
 #ifndef _ARM__ENDIAN_H_
 #define _ARM__ENDIAN_H_
 
-#if defined (__arm__) || defined (__arm64__)
-
 #include <sys/cdefs.h>
 /*
  * Define _NOQUAD if the compiler does NOT support 64-bit integers.
@@ -77,5 +75,4 @@
 #include <sys/_endian.h>
 
 #endif /* defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) */
-#endif /* defined (__arm__) || defined (__arm64__) */
 #endif /* !_ARM__ENDIAN_H_ */
\ No newline at end of file

@@ -39,8 +39,6 @@
 #ifndef _ARM_LIMITS_H_
 #define _ARM_LIMITS_H_
 
-#if defined (__arm__) || defined (__arm64__)
-
 #include <sys/cdefs.h>
 #include <arm/_limits.h>
 
@@ -109,6 +107,4 @@
 #endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || _DARWIN_C_SOURCE */
 #endif /* !_ANSI_SOURCE */
 
-#endif /* defined (__arm__) || defined (__arm64__) */
-
 #endif /* _ARM_LIMITS_H_ */
\ No newline at end of file

@@ -48,8 +48,6 @@
 #ifndef _ARM_PARAM_H_
 #define _ARM_PARAM_H_
 
-#if defined (__arm__) || defined (__arm64__)
-
 #include <arm/_param.h>
 
 /*
@@ -146,6 +144,4 @@
 #define DELAY(n)        { int N = (n); while (--N > 0); }
 #endif  /* defined(KERNEL) || defined(STANDALONE) */
 
-#endif /* defined (__arm__) || defined (__arm64__) */
-
 #endif /* _ARM_PARAM_H_ */
\ No newline at end of file

@@ -9,14 +9,10 @@
 #ifndef _ARM_SIGNAL_
 #define _ARM_SIGNAL_ 1
 
-#if defined (__arm__) || defined (__arm64__)
-
 #include <sys/cdefs.h>
 
 #ifndef _ANSI_SOURCE
 typedef int sig_atomic_t;
 #endif /* ! _ANSI_SOURCE */
 
-#endif /* defined (__arm__) || defined (__arm64__) */
-
 #endif  /* _ARM_SIGNAL_ */
\ No newline at end of file

@@ -39,12 +39,9 @@
  *	@(#)types.h	8.3 (Berkeley) 1/5/94
  */
 
-#ifndef _ARM_MACHTYPES_H_
-#define _ARM_MACHTYPES_H_
+#ifndef _MACHTYPES_H_
 #define _MACHTYPES_H_
 
-#if defined (__arm__) || defined (__arm64__)
-
 #ifndef __ASSEMBLER__
 #include <arm/_types.h>
 #include <sys/cdefs.h>
@@ -107,5 +104,4 @@ typedef u_int64_t               syscall_arg_t;
 #endif
 
 #endif /* __ASSEMBLER__ */
-#endif /* defined (__arm__) || defined (__arm64__) */
-#endif  /* _ARM_MACHTYPES_H_ */
\ No newline at end of file
+#endif  /* _MACHTYPES_H_ */
\ No newline at end of file

@@ -31,8 +31,6 @@
 #ifndef _MACH_ARM__STRUCTS_H_
 #define _MACH_ARM__STRUCTS_H_
 
-#if defined (__arm__) || defined (__arm64__)
-
 #include <sys/cdefs.h> /* __DARWIN_UNIX03 */
 #include <machine/types.h> /* __uint32_t */
 
@@ -509,6 +507,25 @@ _STRUCT_ARM_NEON_STATE
 
 #endif /* __DARWIN_UNIX03 */
 
+#if __DARWIN_UNIX03
+#define _STRUCT_ARM_AMX_STATE_V1 struct __darwin_arm_amx_state_v1
+_STRUCT_ARM_AMX_STATE_V1
+{
+	__uint8_t  __x[8][64];        /* 8 64-byte registers */
+	__uint8_t  __y[8][64];        /* 8 64-byte registers */
+	__uint8_t  __z[64][64];       /* 64 64-byte registers in an M-by-N matrix */
+	__uint64_t __amx_state_t_el1; /* AMX_STATE_T_EL1 value */
+} __attribute__((aligned(64)));
+#else /* !__DARWIN_UNIX03 */
+#define _STRUCT_ARM_AMX_STATE_V1 struct arm_amx_state_v1
+_STRUCT_ARM_AMX_STATE_V1
+{
+	__uint8_t  x[8][64];        /* 8 64-byte registers */
+	__uint8_t  y[8][64];        /* 8 64-byte registers */
+	__uint8_t  z[64][64];       /* 64 64-byte registers in an M-by-N matrix */
+	__uint64_t amx_state_t_el1; /* AMX_STATE_T_EL1 value. */
+} __attribute__((aligned(64)));
+#endif /* __DARWIN_UNIX03 */
 
 #define _STRUCT_ARM_PAGEIN_STATE struct __arm_pagein_state
 _STRUCT_ARM_PAGEIN_STATE
@@ -625,6 +642,4 @@ _STRUCT_ARM_CPMU_STATE64
 };
 #endif /* !__DARWIN_UNIX03 */
 
-#endif /* defined (__arm__) || defined (__arm64__) */
-
 #endif /* _MACH_ARM__STRUCTS_H_ */
\ No newline at end of file

@@ -65,10 +65,6 @@
 #ifndef _MACH_ARM_BOOLEAN_H_
 #define _MACH_ARM_BOOLEAN_H_
 
-#if defined (__arm__) || defined (__arm64__)
-
 typedef int             boolean_t;
 
-#endif /* defined (__arm__) || defined (__arm64__) */
-
 #endif  /* _MACH_ARM_BOOLEAN_H_ */
\ No newline at end of file

@@ -29,8 +29,6 @@
 #ifndef _MACH_ARM_EXCEPTION_H_
 #define _MACH_ARM_EXCEPTION_H_
 
-#if defined (__arm__) || defined (__arm64__)
-
 #define EXC_TYPES_COUNT         14      /* incl. illegal exception 0 */
 
 #define EXC_MASK_MACHINE         0
@@ -77,6 +75,5 @@
 
 #define EXC_ARM_BREAKPOINT      1       /* breakpoint trap */
 
-#endif /* defined (__arm__) || defined (__arm64__) */
 
 #endif  /* _MACH_ARM_EXCEPTION_H_ */
\ No newline at end of file

@@ -67,12 +67,8 @@
 #ifndef _MACH_ARM_KERN_RETURN_H_
 #define _MACH_ARM_KERN_RETURN_H_
 
-#if defined (__arm__) || defined (__arm64__)
-
 #ifndef ASSEMBLER
 typedef int             kern_return_t;
 #endif  /* ASSEMBLER */
 
-#endif /* defined (__arm__) || defined (__arm64__) */
-
 #endif  /* _MACH_ARM_KERN_RETURN_H_ */
\ No newline at end of file

@@ -29,8 +29,6 @@
 #ifndef _MACH_ARM_PROCESSOR_INFO_H_
 #define _MACH_ARM_PROCESSOR_INFO_H_
 
-#if defined (__arm__) || defined (__arm64__)
-
 #define PROCESSOR_CPU_STAT   0x10000003 /* Low-level CPU statistics */
 #define PROCESSOR_CPU_STAT64 0x10000004 /* Low-level CPU statistics, in full 64-bit */
 
@@ -71,6 +69,4 @@ typedef struct processor_cpu_stat64 *processor_cpu_stat64_t;
 #define PROCESSOR_CPU_STAT64_COUNT ((mach_msg_type_number_t) \
 	        (sizeof(processor_cpu_stat64_data_t) / sizeof(integer_t)))
 
-#endif /* defined (__arm__) || defined (__arm64__) */
-
 #endif /* _MACH_ARM_PROCESSOR_INFO_H_ */
\ No newline at end of file

@@ -32,8 +32,4 @@
 #ifndef _MACH_ARM_RPC_H_
 #define _MACH_ARM_RPC_H_
 
-#if defined (__arm__) || defined (__arm64__)
-
-#endif /* defined (__arm__) || defined (__arm64__) */
-
 #endif /* _MACH_ARM_RPC_H_ */
\ No newline at end of file

@@ -32,11 +32,13 @@
 #ifndef _MACH_ARM_THREAD_STATE_H_
 #define _MACH_ARM_THREAD_STATE_H_
 
-#if defined (__arm__) || defined (__arm64__)
-
 /* Size of maximum exported thread state in words */
 #define ARM_THREAD_STATE_MAX    (1296)    /* Size of biggest state possible */
 
-#endif /* defined (__arm__) || defined (__arm64__) */
+#if defined (__arm__) || defined(__arm64__)
+#define THREAD_STATE_MAX        ARM_THREAD_STATE_MAX
+#else
+#error Unsupported arch
+#endif
 
 #endif  /* _MACH_ARM_THREAD_STATE_H_ */
\ No newline at end of file

@@ -33,12 +33,10 @@
 #ifndef _ARM_THREAD_STATUS_H_
 #define _ARM_THREAD_STATUS_H_
 
-#if defined (__arm__) || defined (__arm64__)
-
 #include <mach/machine/_structs.h>
-#include <mach/machine/thread_state.h>
 #include <mach/message.h>
 #include <mach/vm_types.h>
+#include <mach/arm/thread_state.h>
 
 /*
  *    Support for determining the state of a thread
@@ -69,12 +67,13 @@
 #define ARM_CPMU_STATE64         18
 
 
+/* API */
+#define ARM_AMX_STATE            24
+#define ARM_AMX_STATE_V1         25
+#define ARM_STATE_FLAVOR_IS_OTHER_VALID(_flavor_) \
+	((_flavor_) == ARM_AMX_STATE_V1)
 #define ARM_PAGEIN_STATE         27
 
-#ifndef ARM_STATE_FLAVOR_IS_OTHER_VALID
-#define ARM_STATE_FLAVOR_IS_OTHER_VALID(_flavor_) 0
-#endif
-
 #define VALID_THREAD_STATE_FLAVOR(x) \
 	((x == ARM_THREAD_STATE) ||           \
 	 (x == ARM_VFP_STATE) ||              \
@@ -171,6 +170,7 @@ typedef _STRUCT_ARM_NEON_STATE        arm_neon_state_t;
 typedef _STRUCT_ARM_NEON_STATE        arm_neon_state32_t;
 typedef _STRUCT_ARM_NEON_STATE64      arm_neon_state64_t;
 
+typedef _STRUCT_ARM_AMX_STATE_V1       arm_amx_state_v1_t;
 
 typedef _STRUCT_ARM_EXCEPTION_STATE   arm_exception_state_t;
 typedef _STRUCT_ARM_EXCEPTION_STATE   arm_exception_state32_t;
@@ -224,12 +224,26 @@ typedef _STRUCT_ARM_LEGACY_DEBUG_STATE arm_debug_state_t;
 #define MACHINE_THREAD_STATE_COUNT ARM_UNIFIED_THREAD_STATE_COUNT
 
 
+struct arm_amx_state {
+	arm_state_hdr_t ash;
+	union {
+		arm_amx_state_v1_t as_v1;
+	} uas;
+};
+#define as_v1 uas.as_v1
+typedef struct arm_amx_state arm_amx_state_t;
+
+#define ARM_AMX_STATE_V1_COUNT ((mach_msg_type_number_t) \
+	(sizeof(arm_amx_state_v1_t)/sizeof(unsigned int)))
+
+#define ARM_AMX_STATE_COUNT ((mach_msg_type_number_t) \
+	(sizeof(arm_amx_state_t)/sizeof(unsigned int)))
+
+
 /*
  * Largest state on this machine:
  */
 #define THREAD_MACHINE_STATE_MAX THREAD_STATE_MAX
 
 
-#endif /* defined (__arm__) || defined (__arm64__) */
-
 #endif /* _ARM_THREAD_STATUS_H_ */
\ No newline at end of file

@@ -36,8 +36,6 @@
 #ifndef _MACH_ARM_VM_PARAM_H_
 #define _MACH_ARM_VM_PARAM_H_
 
-#if defined (__arm__) || defined (__arm64__)
-
 
 #if !defined (KERNEL) && !defined (__ASSEMBLER__)
 #include <mach/vm_page_size.h>
@@ -106,6 +104,4 @@
 
 #define SWI_SYSCALL     0x80
 
-#endif /* defined (__arm__) || defined (__arm64__) */
-
 #endif  /* _MACH_ARM_VM_PARAM_H_ */
\ No newline at end of file

@@ -67,14 +67,11 @@
 #ifndef _MACH_ARM_VM_TYPES_H_
 #define _MACH_ARM_VM_TYPES_H_
 
-#if defined (__arm__) || defined (__arm64__)
-
 #ifndef ASSEMBLER
 
 #include <arm/_types.h>
 #include <stdint.h>
 #include <Availability.h>
-#include <sys/cdefs.h>
 
 /*
  * natural_t and integer_t are Mach's legacy types for machine-
@@ -101,18 +98,18 @@ typedef int                     integer_t;
  * e.g. an offset into a virtual memory space.
  */
 #ifdef __LP64__
-typedef uintptr_t               vm_offset_t __kernel_ptr_semantics;
+typedef uintptr_t               vm_offset_t;
 typedef uintptr_t               vm_size_t;
 
-typedef uint64_t                mach_vm_address_t __kernel_ptr_semantics;
-typedef uint64_t                mach_vm_offset_t __kernel_ptr_semantics;
+typedef uint64_t                mach_vm_address_t;
+typedef uint64_t                mach_vm_offset_t;
 typedef uint64_t                mach_vm_size_t;
 
-typedef uint64_t                vm_map_offset_t __kernel_ptr_semantics;
-typedef uint64_t                vm_map_address_t __kernel_ptr_semantics;
+typedef uint64_t                vm_map_offset_t;
+typedef uint64_t                vm_map_address_t;
 typedef uint64_t                vm_map_size_t;
 #else
-typedef natural_t               vm_offset_t __kernel_ptr_semantics;
+typedef natural_t               vm_offset_t;
 /*
  * A vm_size_t is the proper type for e.g.
  * expressing the difference between two
@@ -132,13 +129,13 @@ typedef uint32_t                mach_vm_address_t;
 typedef uint32_t                mach_vm_offset_t;
 typedef uint32_t                mach_vm_size_t;
 #else
-typedef uint64_t                mach_vm_address_t __kernel_ptr_semantics;
-typedef uint64_t                mach_vm_offset_t __kernel_ptr_semantics;
+typedef uint64_t                mach_vm_address_t;
+typedef uint64_t                mach_vm_offset_t;
 typedef uint64_t                mach_vm_size_t;
 #endif
 
-typedef uint32_t                vm_map_offset_t __kernel_ptr_semantics;
-typedef uint32_t                vm_map_address_t __kernel_ptr_semantics;
+typedef uint32_t                vm_map_offset_t;
+typedef uint32_t                vm_map_address_t;
 typedef uint32_t                vm_map_size_t;
 #endif /* __LP64__ */
 
@@ -157,6 +154,4 @@ typedef vm_offset_t             mach_port_context_t;
  */
 #define MACH_MSG_TYPE_INTEGER_T MACH_MSG_TYPE_INTEGER_32
 
-#endif /* defined (__arm__) || defined (__arm64__) */
-
 #endif  /* _MACH_ARM_VM_TYPES_H_ */
\ No newline at end of file

@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_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.
+ * 
+ * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+#ifndef _OS_CACHE_CONTROL_H_
+#define _OS_CACHE_CONTROL_H_
+
+#include    <stddef.h>
+#include    <sys/cdefs.h>
+#include    <stdint.h>
+#include    <Availability.h>
+
+__BEGIN_DECLS
+
+
+/* Functions performed by sys_cache_control(): */
+
+/* Prepare memory for execution.  This should be called
+ * after writing machine instructions to memory, before
+ * executing them.  It syncs the dcache and icache.
+ * On IA32 processors this function is a NOP, because
+ * no synchronization is required.
+ */
+#define	kCacheFunctionPrepareForExecution	1
+
+/* Flush data cache(s).  This ensures that cached data 
+ * makes it all the way out to DRAM, and then removes
+ * copies of the data from all processor caches.
+ * It can be useful when dealing with cache incoherent
+ * devices or DMA.
+ */
+#define	kCacheFunctionFlushDcache	2
+
+
+/* perform one of the above cache functions: */
+int	sys_cache_control( int function, void *start, size_t len) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+ 
+/* equivalent to sys_cache_control(kCacheFunctionPrepareForExecution): */
+void	sys_icache_invalidate( void *start, size_t len) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+
+/* equivalent to sys_cache_control(kCacheFunctionFlushDcache): */
+void	sys_dcache_flush( void *start, size_t len) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+
+
+__END_DECLS
+
+#endif /* _OS_CACHE_CONTROL_H_ */
\ No newline at end of file

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2000 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. 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
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
+ */
+/*
+ * Copyright (c) 1999 Apple Computer, Inc.  All rights reserved.
+ *
+ * HISTORY
+ *
+ */
+
+#ifndef _OS_OSDEBBUG_H
+#define _OS_OSDEBBUG_H
+
+#include <sys/cdefs.h>
+#include <mach/mach_types.h>
+
+__BEGIN_DECLS
+
+/* Report a message with a 4 entry backtrace - very slow */
+extern void OSReportWithBacktrace(const char *str, ...) __printflike(1, 2);
+extern unsigned OSBacktrace(void **bt, unsigned maxAddrs);
+
+/* Simple dump of 20 backtrace entries */
+extern void OSPrintBacktrace(void);
+
+/*! @function OSKernelStackRemaining
+ *   @abstract Returns bytes available below the current stack frame.
+ *   @discussion Returns bytes available below the current stack frame. Safe for interrupt or thread context.
+ *   @result Approximate byte count available. */
+
+vm_offset_t OSKernelStackRemaining( void );
+
+__END_DECLS
+
+#endif /* !_OS_OSDEBBUG_H */
\ No newline at end of file

@@ -0,0 +1,571 @@
+/*
+ * Copyright (c) 2008 Apple 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. 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
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
+ */
+
+#ifndef _LIBKERN_OSKEXTLIB_H
+#define _LIBKERN_OSKEXTLIB_H
+
+#include <sys/cdefs.h>
+__BEGIN_DECLS
+
+#include <stdint.h>
+#include <mach/kmod.h>
+#include <mach/vm_types.h>
+#include <uuid/uuid.h>
+
+#include <libkern/OSReturn.h>
+
+/*!
+ * @header
+ *
+ * Declares functions, basic return values, and other constants
+ * related to kernel extensions (kexts).
+ */
+
+#if PRAGMA_MARK
+#pragma mark -
+/********************************************************************/
+#pragma mark OSReturn Values for Kernel Extensions
+/********************************************************************/
+#endif
+/*!
+ * @group OSReturn Values for Kernel Extensions
+ * Many kext-related functions return these values,
+ * as well as those defined under
+ * <code>@link //apple_ref/c/tdef/OSReturn OSReturn@/link</code>
+ * and other variants of <code>kern_return_t</code>.
+ */
+
+
+#define sub_libkern_kext           err_sub(2)
+#define libkern_kext_err(code)     (sys_libkern|sub_libkern_kext|(code))
+
+
+/*!
+ * @define   kOSKextReturnInternalError
+ * @abstract An internal error in the kext library.
+ *           Contrast with <code>@link //apple_ref/c/econst/OSReturnError
+ *           OSReturnError@/link</code>.
+ */
+#define kOSKextReturnInternalError                   libkern_kext_err(0x1)
+
+/*!
+ * @define   kOSKextReturnNoMemory
+ * @abstract Memory allocation failed.
+ */
+#define kOSKextReturnNoMemory                        libkern_kext_err(0x2)
+
+/*!
+ * @define   kOSKextReturnNoResources
+ * @abstract Some resource other than memory (such as available load tags)
+ *           is exhausted.
+ */
+#define kOSKextReturnNoResources                     libkern_kext_err(0x3)
+
+/*!
+ * @define   kOSKextReturnNotPrivileged
+ * @abstract The caller lacks privileges to perform the requested operation.
+ */
+#define kOSKextReturnNotPrivileged                   libkern_kext_err(0x4)
+
+/*!
+ * @define   kOSKextReturnInvalidArgument
+ * @abstract Invalid argument.
+ */
+#define kOSKextReturnInvalidArgument                 libkern_kext_err(0x5)
+
+/*!
+ * @define   kOSKextReturnNotFound
+ * @abstract Search item not found.
+ */
+#define kOSKextReturnNotFound                        libkern_kext_err(0x6)
+
+/*!
+ * @define   kOSKextReturnBadData
+ * @abstract Malformed data (not used for XML).
+ */
+#define kOSKextReturnBadData                         libkern_kext_err(0x7)
+
+/*!
+ * @define   kOSKextReturnSerialization
+ * @abstract Error converting or (un)serializing URL, string, or XML.
+ */
+#define kOSKextReturnSerialization                   libkern_kext_err(0x8)
+
+/*!
+ * @define   kOSKextReturnUnsupported
+ * @abstract Operation is no longer or not yet supported.
+ */
+#define kOSKextReturnUnsupported                     libkern_kext_err(0x9)
+
+/*!
+ * @define   kOSKextReturnDisabled
+ * @abstract Operation is currently disabled.
+ */
+#define kOSKextReturnDisabled                        libkern_kext_err(0xa)
+
+/*!
+ * @define   kOSKextReturnNotAKext
+ * @abstract Bundle is not a kernel extension.
+ */
+#define kOSKextReturnNotAKext                        libkern_kext_err(0xb)
+
+/*!
+ * @define   kOSKextReturnValidation
+ * @abstract Validation failures encountered; check diagnostics for details.
+ */
+#define kOSKextReturnValidation                      libkern_kext_err(0xc)
+
+/*!
+ * @define   kOSKextReturnAuthentication
+ * @abstract Authetication failures encountered; check diagnostics for details.
+ */
+#define kOSKextReturnAuthentication                  libkern_kext_err(0xd)
+
+/*!
+ * @define   kOSKextReturnDependencies
+ * @abstract Dependency resolution failures encountered; check diagnostics for details.
+ */
+#define kOSKextReturnDependencies                    libkern_kext_err(0xe)
+
+/*!
+ * @define   kOSKextReturnArchNotFound
+ * @abstract Kext does not contain code for the requested architecture.
+ */
+#define kOSKextReturnArchNotFound                    libkern_kext_err(0xf)
+
+/*!
+ * @define   kOSKextReturnCache
+ * @abstract An error occurred processing a system kext cache.
+ */
+#define kOSKextReturnCache                           libkern_kext_err(0x10)
+
+/*!
+ * @define   kOSKextReturnDeferred
+ * @abstract Operation has been posted asynchronously to user space (kernel only).
+ */
+#define kOSKextReturnDeferred                        libkern_kext_err(0x11)
+
+/*!
+ * @define   kOSKextReturnBootLevel
+ * @abstract Kext not loadable or operation not allowed at current boot level.
+ */
+#define kOSKextReturnBootLevel                       libkern_kext_err(0x12)
+
+/*!
+ * @define   kOSKextReturnNotLoadable
+ * @abstract Kext cannot be loaded; check diagnostics for details.
+ */
+#define kOSKextReturnNotLoadable                     libkern_kext_err(0x13)
+
+/*!
+ * @define   kOSKextReturnLoadedVersionDiffers
+ * @abstract A different version (or executable UUID, or executable by checksum)
+ *           of the requested kext is already loaded.
+ */
+#define kOSKextReturnLoadedVersionDiffers            libkern_kext_err(0x14)
+
+/*!
+ * @define   kOSKextReturnDependencyLoadError
+ * @abstract A load error occurred on a dependency of the kext being loaded.
+ */
+#define kOSKextReturnDependencyLoadError             libkern_kext_err(0x15)
+
+/*!
+ * @define   kOSKextReturnLinkError
+ * @abstract A link failure occured with this kext or a dependency.
+ */
+#define kOSKextReturnLinkError                       libkern_kext_err(0x16)
+
+/*!
+ * @define   kOSKextReturnStartStopError
+ * @abstract The kext start or stop routine returned an error.
+ */
+#define kOSKextReturnStartStopError                  libkern_kext_err(0x17)
+
+/*!
+ * @define   kOSKextReturnInUse
+ * @abstract The kext is currently in use or has outstanding references,
+ *           and cannot be unloaded.
+ */
+#define kOSKextReturnInUse                           libkern_kext_err(0x18)
+
+/*!
+ * @define   kOSKextReturnTimeout
+ * @abstract A kext request has timed out.
+ */
+#define kOSKextReturnTimeout                         libkern_kext_err(0x19)
+
+/*!
+ * @define   kOSKextReturnStopping
+ * @abstract The kext is in the process of stopping; requests cannot be made.
+ */
+#define kOSKextReturnStopping                        libkern_kext_err(0x1a)
+
+/*!
+ * @define   kOSKextReturnSystemPolicy
+ * @abstract The kext was prevented from loading due to system policy.
+ */
+#define kOSKextReturnSystemPolicy                    libkern_kext_err(0x1b)
+
+/*!
+ * @define   kOSKextReturnKCLoadFailure
+ * @abstract Loading of the System KC failed
+ */
+#define kOSKextReturnKCLoadFailure                  libkern_kext_err(0x1c)
+
+/*!
+ * @define   kOSKextReturnKCLoadFailureSystemKC
+ * @abstract Loading of the System KC failed
+ *
+ * This a sub-code of kOSKextReturnKCLoadFailure. It can be OR'd together
+ * with: kOSKextReturnKCLoadFailureAuxKC
+ *
+ * If both the System and Aux KCs fail to load, then the error code will be:
+ * libkern_kext_err(0x1f)
+ */
+#define kOSKextReturnKCLoadFailureSystemKC          libkern_kext_err(0x1d)
+
+/*!
+ * @define   kOSKextReturnKCLoadFailureAuxKC
+ * @abstract Loading of the Aux KC failed
+ *
+ * This a sub-code of kOSKextReturnKCLoadFailure. It can be OR'd together
+ * with: kOSKextReturnKCLoadFailureSystemKC
+ *
+ * If both the System and Aux KCs fail to load, then the error code will be:
+ * libkern_kext_err(0x1f)
+ */
+#define kOSKextReturnKCLoadFailureAuxKC             libkern_kext_err(0x1e)
+
+/* next available error is: libkern_kext_err(0x20) */
+
+#if PRAGMA_MARK
+#pragma mark -
+/********************************************************************/
+#pragma mark Kext/OSBundle Property List Keys
+/********************************************************************/
+#endif
+/*!
+ * @group Kext Property List Keys
+ * These constants cover CFBundle properties defined for kernel extensions.
+ * Because they are used in the kernel, if you want to use one with
+ * CFBundle APIs you'll need to wrap it in a <code>CFSTR()</code> macro.
+ */
+
+
+/*!
+ * @define   kOSBundleCompatibleVersionKey
+ * @abstract A string giving the backwards-compatible version of a library kext
+ *           in extended Mac OS 'vers' format (####.##.##s{1-255} where 's'
+ *           is a build stage 'd', 'a', 'b', 'f' or 'fc').
+ */
+#define kOSBundleCompatibleVersionKey           "OSBundleCompatibleVersion"
+
+/*!
+ * @define   kOSBundleEnableKextLoggingKey
+ * @abstract Set to true to have the kernel kext logging spec applied
+ *           to the kext.
+ *           See <code>@link //apple_ref/c/econst/OSKextLogSpec
+ *           OSKextLogSpec@/link</code>.
+ */
+#define kOSBundleEnableKextLoggingKey           "OSBundleEnableKextLogging"
+
+/*!
+ * @define   kOSBundleIsInterfaceKey
+ * @abstract A boolean value indicating whether the kext executable
+ *           contains only symbol references.
+ */
+#define kOSBundleIsInterfaceKey                 "OSBundleIsInterface"
+
+/*!
+ * @define   kOSBundleLibrariesKey
+ * @abstract A dictionary listing link dependencies for this kext.
+ *           Keys are bundle identifiers, values are version strings.
+ */
+#define kOSBundleLibrariesKey                   "OSBundleLibraries"
+
+/*!
+ * @define   kOSBundleRequiredKey
+ * @abstract A string indicating in which kinds of startup this kext
+ *           may need to load during early startup (before
+ *           <code>@link //apple_ref/doc/man/8/kextd kextcache(8)@/link</code>).
+ * @discussion
+ * The value is one of:
+ * <ul>
+ * <li>@link kOSBundleRequiredRoot "OSBundleRequiredRoot"@/link</li>
+ * <li>@link kOSBundleRequiredLocalRoot "OSBundleRequiredLocalRoot"@/link</li>
+ * <li>@link kOSBundleRequiredNetworkRoot "OSBundleRequiredNetworkRoot"@/link</li>
+ * <li>@link kOSBundleRequiredSafeBoot "OSBundleRequiredSafeBoot"@/link</li>
+ * <li>@link kOSBundleRequiredConsole "OSBundleRequiredConsole"@/link</li>
+ * </ul>
+ *
+ * Use this property judiciously.
+ * Every kext that declares a value other than "OSBundleRequiredSafeBoot"
+ * increases startup time, as the booter must read it into memory,
+ * or startup kext caches must include it.
+ */
+#define kOSBundleRequiredKey                    "OSBundleRequired"
+
+/*!
+ * @define   kOSBundleRequireExplicitLoadKey
+ * @abstract A boolean value indicating whether the kext requires an
+ *           explicit kextload in order to start/match.
+ */
+#define kOSBundleRequireExplicitLoadKey         "OSBundleRequireExplicitLoad"
+
+/*!
+ * @define   kOSBundleAllowUserLoadKey
+ * @abstract A boolean value indicating whether
+ *           <code>@link //apple_ref/doc/man/8/kextd kextcache(8)@/link</code>
+ *           will honor a non-root process's request to load a kext.
+ * @discussion
+ * See <code>@link //apple_ref/doc/compositePage/c/func/KextManagerLoadKextWithURL
+ * KextManagerLoadKextWithURL@/link</code>
+ * and <code>@link //apple_ref/doc/compositePage/c/func/KextManagerLoadKextWithIdentifier
+ * KextManagerLoadKextWithIdentifier@/link</code>.
+ */
+#define kOSBundleAllowUserLoadKey               "OSBundleAllowUserLoad"
+
+/*!
+ * @define   kOSBundleAllowUserTerminateKey
+ * @abstract A boolean value indicating whether the kextunload tool
+ *           is allowed to issue IOService terminate to classes defined in this kext.
+ * @discussion A boolean value indicating whether the kextunload tool
+ *           is allowed to issue IOService terminate to classes defined in this kext.
+ */
+#define kOSBundleAllowUserTerminateKey          "OSBundleAllowUserTerminate"
+
+/*!
+ * @define   kOSKernelResourceKey
+ * @abstract A boolean value indicating whether the kext represents a built-in
+ *           component of the kernel.
+ */
+#define kOSKernelResourceKey                    "OSKernelResource"
+
+/*!
+ * @define   kOSKextVariantOverrideKey
+ * @abstract A dictionary with target names as key and a target-specific variant
+ *           name as value.
+ */
+#define kOSKextVariantOverrideKey               "OSKextVariantOverride"
+
+/*!
+ * @define   kIOKitPersonalitiesKey
+ * @abstract A dictionary of dictionaries used in matching for I/O Kit drivers.
+ */
+#define kIOKitPersonalitiesKey                  "IOKitPersonalities"
+
+/*
+ * @define   kIOPersonalityPublisherKey
+ * @abstract Used in personalities sent to the I/O Kit,
+ *           contains the CFBundleIdentifier of the kext
+ *           that the personality originated in.
+ */
+#define kIOPersonalityPublisherKey              "IOPersonalityPublisher"
+
+#if CONFIG_KEC_FIPS
+/*
+ * @define   kAppleTextHashesKey
+ * @abstract A dictionary conataining hashes for corecrypto kext.
+ */
+#define kAppleTextHashesKey                     "AppleTextHashes"
+#endif
+
+/*!
+ * @define   kOSMutableSegmentCopy
+ * @abstract A boolean value indicating whether the kext requires a copy of
+ *           its mutable segments to be kept in memory, and then reset when the kext
+ *           unloads. This should be used with caution as it will increase the
+ *           amount of memory used by the kext.
+ */
+#define kOSMutableSegmentCopy                   "OSMutableSegmentCopy"
+
+
+#if PRAGMA_MARK
+/********************************************************************/
+#pragma mark Kext/OSBundle Property Deprecated Keys
+/********************************************************************/
+#endif
+/*
+ * @define   kOSBundleDebugLevelKey
+ * @abstract
+ * Deprecated (used on some releases of Mac OS X prior to 10.6 Snow Leopard).
+ * Value is an integer from 1-6, corresponding to the verbose levels
+ * of kext tools on those releases.
+ * On 10.6 Snow Leopard, use <code>@link OSKextEnableKextLogging
+ * OSKextEnableKextLogging@/link</code>.
+ */
+#define kOSBundleDebugLevelKey                  "OSBundleDebugLevel"
+
+/*!
+ * @define   kOSBundleSharedExecutableIdentifierKey
+ * @abstract Deprecated (used on some releases of Mac OS X
+ *           prior to 10.6 Snow Leopard).
+ *           Value is the bundle identifier of the pseudokext
+ *           that contains an executable shared by this kext.
+ */
+#define kOSBundleSharedExecutableIdentifierKey  "OSBundleSharedExecutableIdentifier"
+
+
+#if PRAGMA_MARK
+/********************************************************************/
+#pragma mark Kext/OSBundle Property List Values
+/********************************************************************/
+#endif
+
+/*!
+ * @group Kext Property List Values
+ * These constants encompass established values
+ * for kernel extension bundle properties.
+ */
+
+/*!
+ * @define   kOSKextKernelIdentifier
+ * @abstract
+ * This is the CFBundleIdentifier user for the kernel itself.
+ */
+#define kOSKextKernelIdentifier                 "__kernel__"
+
+/*!
+ * @define  kOSKextBundlePackageTypeKext
+ * @abstract
+ * The bundle type value for Kernel Extensions.
+ */
+#define kOSKextBundlePackageTypeKext        "KEXT"
+
+/*!
+ * @define  kOSKextBundlePackageTypeDriverKit
+ * @abstract
+ * The bundle type value for Driver Extensions.
+ */
+#define kOSKextBundlePackageTypeDriverKit   "DEXT"
+
+/*!
+ * @define   kOSBundleRequiredRoot
+ * @abstract
+ * This <code>@link kOSBundleRequiredKey OSBundleRequired@/link</code>
+ * value indicates that the kext may be needed to mount the root filesystem
+ * whether starting from a local or a network volume.
+ */
+#define kOSBundleRequiredRoot                   "Root"
+
+/*!
+ * @define   kOSBundleRequiredLocalRoot
+ * @abstract
+ * This <code>@link kOSBundleRequiredKey OSBundleRequired@/link</code>
+ * value indicates that the kext may be needed to mount the root filesystem
+ * when starting from a local disk.
+ */
+#define kOSBundleRequiredLocalRoot              "Local-Root"
+
+/*!
+ * @define   kOSBundleRequiredNetworkRoot
+ * @abstract
+ * This <code>@link kOSBundleRequiredKey OSBundleRequired@/link</code>
+ * value indicates that the kext may be needed to mount the root filesystem
+ * when starting over a network connection.
+ */
+#define kOSBundleRequiredNetworkRoot            "Network-Root"
+
+/*!
+ * @define   kOSBundleRequiredSafeBoot
+ * @abstract
+ * This <code>@link kOSBundleRequiredKey OSBundleRequired@/link</code>
+ * value indicates that the kext can be loaded during a safe startup.
+ * This value does not normally cause the kext to be read by the booter
+ * or included in startup kext caches.
+ */
+#define kOSBundleRequiredSafeBoot               "Safe Boot"
+
+/*!
+ * @define   kOSBundleRequiredConsole
+ * @abstract
+ * This <code>@link kOSBundleRequiredKey OSBundleRequired@/link</code>
+ * value indicates that the kext may be needed for console access
+ * (specifically in a single-user startup when
+ * <code>@link //apple_ref/doc/man/8/kextd kextd(8)@/link</code>.
+ * does not run)
+ * and should be loaded during early startup.
+ */
+#define kOSBundleRequiredConsole                "Console"
+
+/*!
+ * @define   kOSBundleRequiredDriverKit
+ * @abstract
+ * This <code>@link kOSBundleRequiredKey OSBundleRequired@/link</code>
+ * value indicates that the driver extension's (DriverKit driver's)
+ * personalities must be present in the kernel at early boot (specifically
+ * before <code>@link //apple_ref/doc/man/8/kextd kextd(8)@/link</code> starts)
+ * in order to compete with kexts built into the prelinkedkernel. Note that
+ * kextd is still required to launch the user space driver binary. The IOKit
+ * matching will happen during early boot, and the actual driver launch
+ * will happen after kextd starts.
+ */
+#define kOSBundleRequiredDriverKit              "DriverKit"
+
+#if PRAGMA_MARK
+#pragma mark -
+/********************************************************************/
+#pragma mark Kext Information
+/********************************************************************/
+#endif
+/*!
+ * @group Kext Information
+ * Types, constants, and macros providing a kext with information
+ * about itself.
+ */
+
+/*!
+ * @typedef OSKextLoadTag
+ *
+ * @abstract
+ * A unique identifier assigned to a loaded instanace of a kext.
+ *
+ * @discussion
+ * If a kext is unloaded and later reloaded, the new instance
+ * has a different load tag.
+ *
+ * A kext can get its own load tag in the <code>kmod_info_t</code>
+ * structure passed into its module start routine, as the
+ * <code>id</code> field (cast to this type).
+ */
+typedef uint32_t  OSKextLoadTag;
+
+/*!
+ * @define kOSKextInvalidLoadTag
+ *
+ * @abstract
+ * A load tag value that will never be used for a loaded kext;
+ * indicates kext not found.
+ */
+#define  kOSKextInvalidLoadTag  ((OSKextLoadTag)(-1))
+
+
+__END_DECLS
+
+#endif /* _LIBKERN_OSKEXTLIB_H */
\ No newline at end of file

@@ -0,0 +1,198 @@
+/*
+ * Copyright (c) 2000 Apple 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. 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
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
+ */
+/*
+ * Copyright (c) 1998 Apple Inc.  All rights reserved.
+ *
+ * HISTORY
+ *
+ */
+
+/*
+ * Core OSReturn values.
+ */
+
+#ifndef __LIBKERN_OSRETURN_H
+#define __LIBKERN_OSRETURN_H
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+#include <mach/error.h>
+
+
+/*!
+ * @header
+ *
+ * Declares functions, basic return values, and other constants
+ * related to kernel extensions (kexts).
+ */
+
+#if PRAGMA_MARK
+#pragma mark Core OSReturn Values for Libkern
+#endif
+/*********************************************************************
+* Core OSReturn Values for Libkern
+*********************************************************************/
+/*!
+ * @group Core OSReturn Values for Libkern
+ * Some kext and I/O Kit functions can return these values,
+ * as well as  other values of
+ * <code>kern_return_t</code>.
+ *
+ * Many of these return values represent internal errors
+ * in the Libkern C++ run-time typing information system
+ * based on @link //apple_ref/doc/class/OSMetaClass OSMetaClass@/link;
+ * you are unlikely to ever see them.
+ *
+ */
+
+
+/*!
+ * @typedef  OSReturn
+ * @abstract The return type for many Libkern functions.
+ */
+typedef kern_return_t OSReturn;
+
+#ifndef sys_libkern
+#define sys_libkern                   err_system(0x37)
+#endif /* sys_libkern */
+
+#define sub_libkern_common            err_sub(0)
+#define sub_libkern_metaclass         err_sub(1)
+#define sub_libkern_reserved          err_sub(-1)
+
+#define libkern_common_err(return )    (sys_libkern|sub_libkern_common|(return))
+#define libkern_metaclass_err(return ) (sys_libkern|sub_libkern_metaclass|(return))
+
+/* See OSKextLib.h for these
+ * #define sub_libkern_kext           err_sub(2)
+ * #define libkern_kext_err(code)     (sys_libkern|sub_libkern_kext|(code))
+ */
+
+/*!
+ * @define   kOSReturnSuccess
+ * @abstract Operation successful.
+ *           Equal to <code>@link //apple_ref/c/econst/KERN_SUCCESS
+ *           KERN_SUCCESS@/link</code>.
+ */
+#define kOSReturnSuccess              KERN_SUCCESS
+
+/*!
+ * @define   kOSReturnError
+ * @abstract Unspecified Libkern error.
+ *           <b>Not equal</b> to
+ *           <code>@link //apple_ref/c/econst/KERN_FAILURE
+ *           KERN_FAILURE@/link</code>.
+ */
+#define kOSReturnError                libkern_common_err(1)
+
+/*!
+ * @define   kOSMetaClassInternal
+ * @abstract Internal OSMetaClass run-time error.
+ */
+#define kOSMetaClassInternal          libkern_metaclass_err(1)
+
+/*!
+ * @define   kOSMetaClassHasInstances
+ * @abstract A kext cannot be unloaded because there are instances
+ *           derived from Libkern C++ classes that it defines.
+ */
+#define kOSMetaClassHasInstances      libkern_metaclass_err(2)
+
+/*!
+ * @define   kOSMetaClassNoInit
+ * @abstract Internal error: The Libkern C++ class registration system
+ *           was not properly initialized during kext loading.
+ */
+#define kOSMetaClassNoInit            libkern_metaclass_err(3)
+// OSMetaClass::preModLoad wasn't called, runtime internal error
+
+/*!
+ * @define   kOSMetaClassNoTempData
+ * @abstract Internal error: An allocation failure occurred
+ *           registering Libkern C++ classes during kext loading.
+ */
+#define kOSMetaClassNoTempData        libkern_metaclass_err(4)
+// Allocation failure internal data
+
+/*!
+ * @define   kOSMetaClassNoDicts
+ * @abstract Internal error: An allocation failure occurred
+ *           registering Libkern C++ classes during kext loading.
+ */
+#define kOSMetaClassNoDicts           libkern_metaclass_err(5)
+// Allocation failure for Metaclass internal dictionaries
+
+/*!
+ * @define   kOSMetaClassNoKModSet
+ * @abstract Internal error: An allocation failure occurred
+ *           registering Libkern C++ classes during kext loading.
+ */
+#define kOSMetaClassNoKModSet         libkern_metaclass_err(6)
+// Allocation failure for internal kmodule set
+
+/*!
+ * @define   kOSMetaClassNoInsKModSet
+ * @abstract Internal error: An error occurred registering
+ *           a specific Libkern C++ class during kext loading.
+ */
+#define kOSMetaClassNoInsKModSet      libkern_metaclass_err(7)
+// Can't insert the KMod set into the module dictionary
+
+/*!
+ * @define   kOSMetaClassNoSuper
+ * @abstract Internal error: No superclass can be found
+ *           for a specific Libkern C++ class during kext loading.
+ */
+#define kOSMetaClassNoSuper           libkern_metaclass_err(8)
+
+/*!
+ * @define   kOSMetaClassInstNoSuper
+ * @abstract Internal error: No superclass can be found when constructing
+ *           an instance of a Libkern C++ class.
+ */
+#define kOSMetaClassInstNoSuper       libkern_metaclass_err(9)
+
+/*!
+ * @define   kOSMetaClassDuplicateClass
+ * @abstract A duplicate Libkern C++ classname was encountered
+ *           during kext loading.
+ */
+#define kOSMetaClassDuplicateClass    libkern_metaclass_err(10)
+
+/*!
+ * @define   kOSMetaClassNoKext
+ * @abstract Internal error: The kext for a Libkern C++ class
+ *           can't be found during kext loading.
+ */
+#define kOSMetaClassNoKext            libkern_metaclass_err(11)
+
+__END_DECLS
+
+#endif /* ! __LIBKERN_OSRETURN_H */
\ No newline at end of file

@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2007 Apple Inc. All rights reserved.
+ *
+ * @APPLE_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.
+ * 
+ * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+#ifndef _OSTHERMALNOTIFICATION_H_
+#define _OSTHERMALNOTIFICATION_H_
+
+#include <sys/cdefs.h>
+#include <Availability.h>
+
+/*
+**  OSThermalNotification.h
+**  
+**  Notification mechanism to alert registered tasks when device thermal conditions
+**  reach certain thresholds. Notifications are triggered in both directions
+**  so clients can manage their memory usage more and less aggressively.
+**
+*/
+
+__BEGIN_DECLS
+
+/* Define pressure levels usable by OSThermalPressureLevel */
+typedef enum {
+#if TARGET_OS_OSX || TARGET_OS_MACCATALYST
+	kOSThermalPressureLevelNominal = 0,
+	kOSThermalPressureLevelModerate,
+	kOSThermalPressureLevelHeavy,
+	kOSThermalPressureLevelTrapping,
+	kOSThermalPressureLevelSleeping
+#else
+	kOSThermalPressureLevelNominal = 0,
+	kOSThermalPressureLevelLight = 10,
+	kOSThermalPressureLevelModerate = 20,
+	kOSThermalPressureLevelHeavy = 30,
+	kOSThermalPressureLevelTrapping = 40,
+	kOSThermalPressureLevelSleeping = 50
+#endif
+} OSThermalPressureLevel;
+
+/*
+ ** External notify(3) string for thermal pressure level notification
+ */
+__OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_7_0)
+extern const char * const kOSThermalNotificationPressureLevelName;
+
+
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && \
+	__IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_2_0
+
+typedef enum {
+	OSThermalNotificationLevelAny      = -1,
+	OSThermalNotificationLevelNormal   =  0,
+} OSThermalNotificationLevel;
+
+extern OSThermalNotificationLevel _OSThermalNotificationLevelForBehavior(int) __OSX_AVAILABLE_STARTING(__MAC_NA, __IPHONE_4_2);
+extern void _OSThermalNotificationSetLevelForBehavior(int, int) __OSX_AVAILABLE_STARTING(__MAC_NA, __IPHONE_4_2);
+
+enum {
+	kOSThermalMitigationNone,
+	kOSThermalMitigation70PercentTorch,
+	kOSThermalMitigation70PercentBacklight,
+	kOSThermalMitigation50PercentTorch,
+	kOSThermalMitigation50PercentBacklight,
+	kOSThermalMitigationDisableTorch,
+	kOSThermalMitigation25PercentBacklight,
+	kOSThermalMitigationDisableMapsHalo,
+	kOSThermalMitigationAppTerminate,
+	kOSThermalMitigationDeviceRestart,
+	kOSThermalMitigationThermalTableReady,
+	kOSThermalMitigationCount
+};
+
+#define OSThermalNotificationLevel70PercentTorch _OSThermalNotificationLevelForBehavior(kOSThermalMitigation70PercentTorch)
+#define OSThermalNotificationLevel70PercentBacklight _OSThermalNotificationLevelForBehavior(kOSThermalMitigation70PercentBacklight)
+#define OSThermalNotificationLevel50PercentTorch _OSThermalNotificationLevelForBehavior(kOSThermalMitigation50PercentTorch)
+#define OSThermalNotificationLevel50PercentBacklight _OSThermalNotificationLevelForBehavior(kOSThermalMitigation50PercentBacklight)
+#define OSThermalNotificationLevelDisableTorch _OSThermalNotificationLevelForBehavior(kOSThermalMitigationDisableTorch)
+#define OSThermalNotificationLevel25PercentBacklight _OSThermalNotificationLevelForBehavior(kOSThermalMitigation25PercentBacklight)
+#define OSThermalNotificationLevelDisableMapsHalo _OSThermalNotificationLevelForBehavior(kOSThermalMitigationDisableMapsHalo)
+#define OSThermalNotificationLevelAppTerminate _OSThermalNotificationLevelForBehavior(kOSThermalMitigationAppTerminate)
+#define OSThermalNotificationLevelDeviceRestart _OSThermalNotificationLevelForBehavior(kOSThermalMitigationDeviceRestart)
+
+/* Backwards compatibility */
+#define OSThermalNotificationLevelWarning OSThermalNotificationLevel70PercentBacklight
+#define OSThermalNotificationLevelUrgent OSThermalNotificationLevelAppTerminate
+#define OSThermalNotificationLevelCritical OSThermalNotificationLevelDeviceRestart
+
+/*
+** Simple polling interface to detect current thermal level
+*/
+__OSX_AVAILABLE_STARTING(__MAC_NA, __IPHONE_2_0)
+extern OSThermalNotificationLevel OSThermalNotificationCurrentLevel(void);
+
+/*
+** External notify(3) string for manual notification setup
+*/
+__OSX_AVAILABLE_STARTING(__MAC_NA, __IPHONE_2_0)
+extern const char * const kOSThermalNotificationName;
+
+/*
+** External notify(3) string for alerting user of a thermal condition
+*/
+__OSX_AVAILABLE_STARTING(__MAC_NA, __IPHONE_6_0)
+extern const char * const kOSThermalNotificationAlert;
+
+/*
+** External notify(3) string for notifying system the options taken to resolve thermal condition
+*/
+__OSX_AVAILABLE_STARTING(__MAC_NA, __IPHONE_6_0)
+extern const char * const kOSThermalNotificationDecision;
+
+#endif // __IPHONE_OS_VERSION_MIN_REQUIRED
+
+__END_DECLS
+
+#endif /* _OSTHERMALNOTIFICATION_H_ */
\ No newline at end of file

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2003-2012 Apple 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. 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
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
+ */
+#ifndef offsetof
+#define offsetof(type, field) __offsetof(type, field)
+#endif /* offsetof */
\ No newline at end of file

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2012 Apple 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. 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
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
+ */
+
+#ifndef _PTRDIFF_T
+#define _PTRDIFF_T
+#include <machine/types.h> /* __darwin_ptrdiff_t */
+typedef __darwin_ptrdiff_t ptrdiff_t;
+#endif /* _PTRDIFF_T */
\ No newline at end of file

@@ -0,0 +1,219 @@
+/*-
+ * Copyright (c) 1990, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)db.h	8.7 (Berkeley) 6/16/94
+ * $FreeBSD: src/include/db.h,v 1.5 2002/03/26 01:35:05 bde Exp $
+ */
+
+#ifndef _DB_H_
+#define	_DB_H_
+
+#include <sys/types.h>
+#include <sys/cdefs.h>
+
+#include <limits.h>
+
+#define	RET_ERROR	-1		/* Return values. */
+#define	RET_SUCCESS	 0
+#define	RET_SPECIAL	 1
+
+#define	MAX_PAGE_NUMBER	0xffffffff	/* >= # of pages in a file */
+typedef u_int32_t	pgno_t;
+#define	MAX_PAGE_OFFSET	65535		/* >= # of bytes in a page */
+typedef u_int16_t	indx_t;
+#define	MAX_REC_NUMBER	0xffffffff	/* >= # of records in a tree */
+typedef u_int32_t	recno_t;
+
+/* Key/data structure -- a Data-Base Thang. */
+typedef struct {
+	void	*data;			/* data */
+	size_t	 size;			/* data length */
+} DBT;
+
+/* Routine flags. */
+#define	R_CURSOR	1		/* del, put, seq */
+#define	__R_UNUSED	2		/* UNUSED */
+#define	R_FIRST		3		/* seq */
+#define	R_IAFTER	4		/* put (RECNO) */
+#define	R_IBEFORE	5		/* put (RECNO) */
+#define	R_LAST		6		/* seq (BTREE, RECNO) */
+#define	R_NEXT		7		/* seq */
+#define	R_NOOVERWRITE	8		/* put */
+#define	R_PREV		9		/* seq (BTREE, RECNO) */
+#define	R_SETCURSOR	10		/* put (RECNO) */
+#define	R_RECNOSYNC	11		/* sync (RECNO) */
+
+typedef enum { DB_BTREE, DB_HASH, DB_RECNO } DBTYPE;
+
+/*
+ * !!!
+ * The following flags are included in the dbopen(3) call as part of the
+ * open(2) flags.  In order to avoid conflicts with the open flags, start
+ * at the top of the 16 or 32-bit number space and work our way down.  If
+ * the open flags were significantly expanded in the future, it could be
+ * a problem.  Wish I'd left another flags word in the dbopen call.
+ *
+ * !!!
+ * None of this stuff is implemented yet.  The only reason that it's here
+ * is so that the access methods can skip copying the key/data pair when
+ * the DB_LOCK flag isn't set.
+ */
+#if UINT_MAX > 65535
+#define	DB_LOCK		0x20000000	/* Do locking. */
+#define	DB_SHMEM	0x40000000	/* Use shared memory. */
+#define	DB_TXN		0x80000000	/* Do transactions. */
+#else
+#define	DB_LOCK		    0x2000	/* Do locking. */
+#define	DB_SHMEM	    0x4000	/* Use shared memory. */
+#define	DB_TXN		    0x8000	/* Do transactions. */
+#endif
+
+/* Access method description structure. */
+typedef struct __db {
+	DBTYPE type;			/* Underlying db type. */
+	int (*close)(struct __db *);
+	int (*del)(const struct __db *, const DBT *, unsigned int);
+	int (*get)(const struct __db *, const DBT *, DBT *, unsigned int);
+	int (*put)(const struct __db *, DBT *, const DBT *, unsigned int);
+	int (*seq)(const struct __db *, DBT *, DBT *, unsigned int);
+	int (*sync)(const struct __db *, unsigned int);
+	void *internal;			/* Access method private. */
+	int (*fd)(const struct __db *);
+} DB;
+
+#define	BTREEMAGIC	0x053162
+#define	BTREEVERSION	3
+
+/* Structure used to pass parameters to the btree routines. */
+typedef struct {
+#define	R_DUP		0x01	/* duplicate keys */
+	unsigned long	flags;
+	unsigned int	cachesize;	/* bytes to cache */
+	int		maxkeypage;	/* maximum keys per page */
+	int		minkeypage;	/* minimum keys per page */
+	unsigned int	psize;		/* page size */
+	int		(*compare)	/* comparison function */
+			(const DBT *, const DBT *);
+	size_t		(*prefix)	/* prefix function */
+	    		(const DBT *, const DBT *);
+	int		lorder;		/* byte order */
+} BTREEINFO;
+
+#define	HASHMAGIC	0x061561
+#define	HASHVERSION	2
+
+/* Structure used to pass parameters to the hashing routines. */
+typedef struct {
+	unsigned int	bsize;		/* bucket size */
+	unsigned int	ffactor;	/* fill factor */
+	unsigned int	nelem;		/* number of elements */
+	unsigned int	cachesize;	/* bytes to cache */
+	u_int32_t		/* hash function */
+		(*hash)(const void *, size_t);
+	int	lorder;		/* byte order */
+} HASHINFO;
+
+/* Structure used to pass parameters to the record routines. */
+typedef struct {
+#define	R_FIXEDLEN	0x01	/* fixed-length records */
+#define	R_NOKEY		0x02	/* key not required */
+#define	R_SNAPSHOT	0x04	/* snapshot the input */
+	unsigned long	flags;
+	unsigned int	cachesize;	/* bytes to cache */
+	unsigned int	psize;		/* page size */
+	int		lorder;		/* byte order */
+	size_t		reclen;		/* record length (fixed-length records) */
+	unsigned char	bval;		/* delimiting byte (variable-length records */
+	char	*bfname;	/* btree file name */ 
+} RECNOINFO;
+
+#ifdef __DBINTERFACE_PRIVATE
+/*
+ * Little endian <==> big endian 32-bit swap macros.
+ *	M_32_SWAP	swap a memory location
+ *	P_32_SWAP	swap a referenced memory location
+ *	P_32_COPY	swap from one location to another
+ */
+#define	M_32_SWAP(a) {							\
+	u_int32_t _tmp = a;						\
+	((char *)&a)[0] = ((char *)&_tmp)[3];				\
+	((char *)&a)[1] = ((char *)&_tmp)[2];				\
+	((char *)&a)[2] = ((char *)&_tmp)[1];				\
+	((char *)&a)[3] = ((char *)&_tmp)[0];				\
+}
+#define	P_32_SWAP(a) {							\
+	u_int32_t _tmp = *(u_int32_t *)a;				\
+	((char *)a)[0] = ((char *)&_tmp)[3];				\
+	((char *)a)[1] = ((char *)&_tmp)[2];				\
+	((char *)a)[2] = ((char *)&_tmp)[1];				\
+	((char *)a)[3] = ((char *)&_tmp)[0];				\
+}
+#define	P_32_COPY(a, b) {						\
+	((char *)&(b))[0] = ((char *)&(a))[3];				\
+	((char *)&(b))[1] = ((char *)&(a))[2];				\
+	((char *)&(b))[2] = ((char *)&(a))[1];				\
+	((char *)&(b))[3] = ((char *)&(a))[0];				\
+}
+
+/*
+ * Little endian <==> big endian 16-bit swap macros.
+ *	M_16_SWAP	swap a memory location
+ *	P_16_SWAP	swap a referenced memory location
+ *	P_16_COPY	swap from one location to another
+ */
+#define	M_16_SWAP(a) {							\
+	u_int16_t _tmp = a;						\
+	((char *)&a)[0] = ((char *)&_tmp)[1];				\
+	((char *)&a)[1] = ((char *)&_tmp)[0];				\
+}
+#define	P_16_SWAP(a) {							\
+	u_int16_t _tmp = *(u_int16_t *)a;				\
+	((char *)a)[0] = ((char *)&_tmp)[1];				\
+	((char *)a)[1] = ((char *)&_tmp)[0];				\
+}
+#define	P_16_COPY(a, b) {						\
+	((char *)&(b))[0] = ((char *)&(a))[1];				\
+	((char *)&(b))[1] = ((char *)&(a))[0];				\
+}
+#endif
+
+__BEGIN_DECLS
+DB *dbopen(const char *, int, int, DBTYPE, const void *);
+
+#ifdef __DBINTERFACE_PRIVATE
+DB	*__bt_open(const char *, int, int, const BTREEINFO *, int);
+DB	*__hash_open(const char *, int, int, const HASHINFO *, int);
+DB	*__rec_open(const char *, int, int, const RECNOINFO *, int);
+void	 __dbpanic(DB *dbp);
+#endif
+__END_DECLS
+#endif /* !_DB_H_ */
\ No newline at end of file