/*
- * Copyright (c) 2003-2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2003-2009 Apple 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@
*/
#ifdef PRIVATE
#define kCache64 0x00000020
#define kCache128 0x00000040
#define kFastThreadLocalStorage 0x00000080 /* TLS ptr is kept in a user-mode-readable register */
-#define kHasSupplementalSSE3 0x00000100
-#define kHasMNI kHasSupplementalSSE3
+#define kHasSupplementalSSE3 0x00000100
#define k64Bit 0x00000200 /* processor supports EM64T (not what mode you're running in) */
-
+#define kHasSSE4_1 0x00000400
+#define kHasSSE4_2 0x00000800
+#define kHasAES 0x00001000
+#define kInOrderPipeline 0x00002000 /* in-order execution */
+#define kSlow 0x00004000 /* tsc < nanosecond */
#define kUP 0x00008000 /* set if (kNumCPUs == 1) */
#define kNumCPUs 0x00FF0000 /* number of CPUs (see _NumCPUs() below) */
*/
#define _COMM_PAGE32_AREA_LENGTH ( 19 * 4096 ) /* reserved length of entire comm area */
-#define _COMM_PAGE32_BASE_ADDRESS ( -20 * 4096 ) /* base address of allocated memory */
-#define _COMM_PAGE32_START_ADDRESS ( -16 * 4096 ) /* address traditional commpage code starts on */
+#define _COMM_PAGE32_BASE_ADDRESS ( 0xfffec000 ) /* base address of allocated memory, -20 pages */
+#define _COMM_PAGE32_START_ADDRESS ( 0xffff0000 ) /* address traditional commpage code starts on, -16 pages */
#define _COMM_PAGE32_AREA_USED ( 19 * 4096 ) /* this is the amt actually allocated */
+#define _COMM_PAGE32_SIGS_OFFSET 0x8000 /* offset to routine signatures */
#define _COMM_PAGE64_AREA_LENGTH ( 2 * 1024 * 1024 ) /* reserved length of entire comm area (2MB) */
#define _COMM_PAGE64_BASE_ADDRESS ( 0x00007fffffe00000ULL ) /* base address of allocated memory */
#define _COMM_PAGE64_START_ADDRESS ( _COMM_PAGE64_BASE_ADDRESS ) /* address traditional commpage code starts on */
#define _COMM_PAGE64_AREA_USED ( 2 * 4096 ) /* this is the amt actually populated */
+/* no need for an Objective-C area on Intel */
+#define _COMM_PAGE32_OBJC_SIZE 0ULL
+#define _COMM_PAGE32_OBJC_BASE 0ULL
+#define _COMM_PAGE64_OBJC_SIZE 0ULL
+#define _COMM_PAGE64_OBJC_BASE 0ULL
+
+#ifdef KERNEL_PRIVATE
+
+/* Inside the kernel, comm page addresses are absolute addresses
+ * assuming they are a part of the 32-bit commpage. They may
+ * be mapped somewhere else, especially for the 64-bit commpage.
+ */
+#define _COMM_PAGE_START_ADDRESS _COMM_PAGE32_START_ADDRESS
+#define _COMM_PAGE_SIGS_OFFSET _COMM_PAGE32_SIGS_OFFSET
+
+#else /* !KERNEL_PRIVATE */
#if defined(__i386__)
#define _COMM_PAGE_BASE_ADDRESS _COMM_PAGE32_BASE_ADDRESS
#define _COMM_PAGE_START_ADDRESS _COMM_PAGE32_START_ADDRESS
#define _COMM_PAGE_AREA_USED _COMM_PAGE32_AREA_USED
-#define _COMM_PAGE_SIGS_OFFSET 0x8000 /* offset to routine signatures */
+#define _COMM_PAGE_SIGS_OFFSET _COMM_PAGE32_SIGS_OFFSET
#elif defined(__x86_64__)
#error architecture not supported
#endif
+#endif /* !KERNEL_PRIVATE */
+
/* data in the comm page */
#define _COMM_PAGE_SIGNATURE (_COMM_PAGE_START_ADDRESS+0x000) /* first few bytes are a signature */
#define _COMM_PAGE_VERSION (_COMM_PAGE_START_ADDRESS+0x01E) /* 16-bit version# */
-#define _COMM_PAGE_THIS_VERSION 6 /* version of the commarea format */
+#define _COMM_PAGE_THIS_VERSION 11 /* version of the commarea format */
#define _COMM_PAGE_CPU_CAPABILITIES (_COMM_PAGE_START_ADDRESS+0x020) /* uint32_t _cpu_capabilities */
#define _COMM_PAGE_NCPUS (_COMM_PAGE_START_ADDRESS+0x022) /* uint8_t number of configured CPUs */
#define _COMM_PAGE_CACHE_LINESIZE (_COMM_PAGE_START_ADDRESS+0x026) /* uint16_t cache line size */
-#define _COMM_PAGE_UNUSED1 (_COMM_PAGE_START_ADDRESS+0x028) /* 24 unused bytes */
-
+#define _COMM_PAGE_SCHED_GEN (_COMM_PAGE_START_ADDRESS+0x028) /* uint32_t scheduler generation number (count of pre-emptions) */
+#define _COMM_PAGE_MEMORY_PRESSURE (_COMM_PAGE_START_ADDRESS+0x02c) /* uint32_t copy of vm_memory_pressure */
+#define _COMM_PAGE_SPIN_COUNT (_COMM_PAGE_START_ADDRESS+0x030) /* uint32_t max spin count for mutex's */
+
+#define _COMM_PAGE_UNUSED1 (_COMM_PAGE_START_ADDRESS+0x034) /* 12 unused bytes */
+
+#ifdef KERNEL_PRIVATE
+
+/* slots defined in all cases, but commpage setup code must not populate for 64-bit commpage */
+#define _COMM_PAGE_2_TO_52 (_COMM_PAGE_START_ADDRESS+0x040) /* double float constant 2**52 */
+#define _COMM_PAGE_10_TO_6 (_COMM_PAGE_START_ADDRESS+0x048) /* double float constant 10**6 */
+
+#else /* !KERNEL_PRIVATE */
+
#if defined(__i386__) /* following are not defined in 64-bit */
#define _COMM_PAGE_2_TO_52 (_COMM_PAGE_START_ADDRESS+0x040) /* double float constant 2**52 */
#define _COMM_PAGE_10_TO_6 (_COMM_PAGE_START_ADDRESS+0x048) /* double float constant 10**6 */
#define _COMM_PAGE_UNUSED2 (_COMM_PAGE_START_ADDRESS+0x040) /* 16 unused bytes */
#endif
+#endif /* !KERNEL_PRIVATE */
+
+#define _COMM_PAGE_TIME_DATA_START (_COMM_PAGE_START_ADDRESS+0x050) /* base of offsets below (_NT_SCALE etc) */
#define _COMM_PAGE_NT_TSC_BASE (_COMM_PAGE_START_ADDRESS+0x050) /* used by nanotime() */
#define _COMM_PAGE_NT_SCALE (_COMM_PAGE_START_ADDRESS+0x058) /* used by nanotime() */
#define _COMM_PAGE_NT_SHIFT (_COMM_PAGE_START_ADDRESS+0x05c) /* used by nanotime() */
#define _COMM_PAGE_NT_NS_BASE (_COMM_PAGE_START_ADDRESS+0x060) /* used by nanotime() */
-
-#define _COMM_PAGE_TIMEBASE (_COMM_PAGE_START_ADDRESS+0x068) /* used by gettimeofday() */
-#define _COMM_PAGE_TIMESTAMP (_COMM_PAGE_START_ADDRESS+0x070) /* used by gettimeofday() */
-#define _COMM_PAGE_TIMEENABLE (_COMM_PAGE_START_ADDRESS+0x078) /* used by gettimeofday() */
+#define _COMM_PAGE_NT_GENERATION (_COMM_PAGE_START_ADDRESS+0x068) /* used by nanotime() */
+#define _COMM_PAGE_GTOD_GENERATION (_COMM_PAGE_START_ADDRESS+0x06c) /* used by gettimeofday() */
+#define _COMM_PAGE_GTOD_NS_BASE (_COMM_PAGE_START_ADDRESS+0x070) /* used by gettimeofday() */
+#define _COMM_PAGE_GTOD_SEC_BASE (_COMM_PAGE_START_ADDRESS+0x078) /* used by gettimeofday() */
+
+/* Warning: kernel commpage.h has a matching c typedef for the following. They must be kept in sync. */
+/* These offsets are from _COMM_PAGE_TIME_DATA_START */
-#define _NT_TSC_BASE 0 /* offsets into nanotime data */
+#define _NT_TSC_BASE 0
#define _NT_SCALE 8
#define _NT_SHIFT 12
#define _NT_NS_BASE 16
-#define _TIMEBASE 0 /* offsets into gettimeofday data */
-#define _TIMESTAMP 8
-#define _TIMEENABLE 16
+#define _NT_GENERATION 24
+#define _GTOD_GENERATION 28
+#define _GTOD_NS_BASE 32
+#define _GTOD_SEC_BASE 40
/* jump table (jmp to this address, which may be a branch to the actual code somewhere else) */
- /* When new jump table entries are added, corresponding symbols should be added below */
-
+ /* When new jump table entries are added, corresponding symbols should be added below */
+ /* New slots should be allocated with at least 16-byte alignment. Some like bcopy require */
+ /* 32-byte alignment, and should be aligned as such in the assembly source before they are relocated */
#define _COMM_PAGE_COMPARE_AND_SWAP32 (_COMM_PAGE_START_ADDRESS+0x080) /* compare-and-swap word */
#define _COMM_PAGE_COMPARE_AND_SWAP64 (_COMM_PAGE_START_ADDRESS+0x0c0) /* compare-and-swap doubleword */
#define _COMM_PAGE_ENQUEUE (_COMM_PAGE_START_ADDRESS+0x100) /* enqueue */
#define _COMM_PAGE_ATOMIC_ADD32 (_COMM_PAGE_START_ADDRESS+0x1a0) /* add atomic word */
#define _COMM_PAGE_ATOMIC_ADD64 (_COMM_PAGE_START_ADDRESS+0x1c0) /* add atomic doubleword */
-#define _COMM_PAGE_UNUSED3 (_COMM_PAGE_START_ADDRESS+0x1e0) /* 32 unused bytes */
+#define _COMM_PAGE_CPU_NUMBER (_COMM_PAGE_START_ADDRESS+0x1e0) /* user-level cpu_number() */
#define _COMM_PAGE_ABSOLUTE_TIME (_COMM_PAGE_START_ADDRESS+0x200) /* mach_absolute_time() */
#define _COMM_PAGE_SPINLOCK_TRY (_COMM_PAGE_START_ADDRESS+0x220) /* spinlock_try() */
#define _COMM_PAGE_FLUSH_ICACHE (_COMM_PAGE_START_ADDRESS+0x520) /* sys_icache_invalidate() */
#define _COMM_PAGE_PTHREAD_SELF (_COMM_PAGE_START_ADDRESS+0x580) /* pthread_self() */
-#define _COMM_PAGE_UNUSED4 (_COMM_PAGE_START_ADDRESS+0x5a0) /* 32 unused bytes */
+#define _COMM_PAGE_PREEMPT (_COMM_PAGE_START_ADDRESS+0x5a0) /* used by PFZ code */
#define _COMM_PAGE_RELINQUISH (_COMM_PAGE_START_ADDRESS+0x5c0) /* used by spinlocks */
#define _COMM_PAGE_BTS (_COMM_PAGE_START_ADDRESS+0x5e0) /* bit test-and-set */
#define _COMM_PAGE_BCOPY (_COMM_PAGE_START_ADDRESS+0x780) /* bcopy() */
#define _COMM_PAGE_MEMCPY (_COMM_PAGE_START_ADDRESS+0x7a0) /* memcpy() */
#define _COMM_PAGE_MEMMOVE (_COMM_PAGE_START_ADDRESS+0x7a0) /* memmove() */
+#define _COMM_PAGE_BCOPY_END (_COMM_PAGE_START_ADDRESS+0xfff) /* used by rosetta */
-#define _COMM_PAGE_OLD_NANOTIME (_COMM_PAGE_START_ADDRESS+0xf80) /* old nanotime location (deprecated) */
#define _COMM_PAGE_MEMSET_PATTERN (_COMM_PAGE_START_ADDRESS+0x1000) /* used by nonzero memset() */
#define _COMM_PAGE_LONGCOPY (_COMM_PAGE_START_ADDRESS+0x1200) /* used by bcopy() for very long operands */
+#define _COMM_PAGE_LONGCOPY_END (_COMM_PAGE_START_ADDRESS+0x15ff) /* used by rosetta */
-#define _COMM_PAGE_SYSTEM_INTEGRITY (_COMM_PAGE_START_ADDRESS+0x1600) /* system integrity data, 256 bytes */
-
+#define _COMM_PAGE_BACKOFF (_COMM_PAGE_START_ADDRESS+0x1600) /* called from PFZ */
+#define _COMM_PAGE_FIFO_ENQUEUE (_COMM_PAGE_START_ADDRESS+0x1680) /* FIFO enqueue */
+#define _COMM_PAGE_FIFO_DEQUEUE (_COMM_PAGE_START_ADDRESS+0x16c0) /* FIFO dequeue */
#define _COMM_PAGE_NANOTIME (_COMM_PAGE_START_ADDRESS+0x1700) /* nanotime() */
+#define _COMM_PAGE_MUTEX_LOCK (_COMM_PAGE_START_ADDRESS+0x1780) /* pthread_mutex_lock() */
+
+#define _COMM_PAGE_UNUSED5 (_COMM_PAGE_START_ADDRESS+0x17e0) /* unused space for regular code up to 0x1c00 */
+
+#define _COMM_PAGE_PFZ_START (_COMM_PAGE_START_ADDRESS+0x1c00) /* start of Preemption Free Zone */
+
+#define _COMM_PAGE_PFZ_ENQUEUE (_COMM_PAGE_START_ADDRESS+0x1c00) /* internal routine for FIFO enqueue */
+#define _COMM_PAGE_PFZ_DEQUEUE (_COMM_PAGE_START_ADDRESS+0x1c80) /* internal routine for FIFO dequeue */
+#define _COMM_PAGE_PFZ_MUTEX_LOCK (_COMM_PAGE_START_ADDRESS+0x1d00) /* internal routine for pthread_mutex_lock() */
+
+#define _COMM_PAGE_UNUSED6 (_COMM_PAGE_START_ADDRESS+0x1d80) /* unused space for PFZ code up to 0x1fff */
+
+#define _COMM_PAGE_PFZ_END (_COMM_PAGE_START_ADDRESS+0x1fff) /* end of Preemption Free Zone */
-#define _COMM_PAGE_END (_COMM_PAGE_START_ADDRESS+0x1780) /* end of common page - insert new stuff here */
+#define _COMM_PAGE_END (_COMM_PAGE_START_ADDRESS+0x1fff) /* end of common page - insert new stuff here */
/* _COMM_PAGE_COMPARE_AND_SWAP{32,64}B are not used on x86 and are
* maintained here for source compatability. These will be removed at
CREATE_COMM_PAGE_SYMBOL(___memory_barrier, _COMM_PAGE_MEMORY_BARRIER)
CREATE_COMM_PAGE_SYMBOL(___atomic_add32, _COMM_PAGE_ATOMIC_ADD32)
CREATE_COMM_PAGE_SYMBOL(___atomic_add64, _COMM_PAGE_ATOMIC_ADD64)
+ CREATE_COMM_PAGE_SYMBOL(___cpu_number, _COMM_PAGE_CPU_NUMBER)
CREATE_COMM_PAGE_SYMBOL(___mach_absolute_time, _COMM_PAGE_ABSOLUTE_TIME)
CREATE_COMM_PAGE_SYMBOL(___spin_lock_try, _COMM_PAGE_SPINLOCK_TRY)
CREATE_COMM_PAGE_SYMBOL(___spin_lock, _COMM_PAGE_SPINLOCK_LOCK)
CREATE_COMM_PAGE_SYMBOL(___sys_dcache_flush, _COMM_PAGE_FLUSH_DCACHE)
CREATE_COMM_PAGE_SYMBOL(___sys_icache_invalidate, _COMM_PAGE_FLUSH_ICACHE)
CREATE_COMM_PAGE_SYMBOL(___pthread_self, _COMM_PAGE_PTHREAD_SELF)
+ CREATE_COMM_PAGE_SYMBOL(___pfz_preempt, _COMM_PAGE_PREEMPT)
CREATE_COMM_PAGE_SYMBOL(___spin_lock_relinquish, _COMM_PAGE_RELINQUISH)
CREATE_COMM_PAGE_SYMBOL(___bit_test_and_set, _COMM_PAGE_BTS)
CREATE_COMM_PAGE_SYMBOL(___bit_test_and_clear, _COMM_PAGE_BTC)
CREATE_COMM_PAGE_SYMBOL(___bcopy, _COMM_PAGE_BCOPY)
CREATE_COMM_PAGE_SYMBOL(___memcpy, _COMM_PAGE_MEMCPY)
/* CREATE_COMM_PAGE_SYMBOL(___memmove, _COMM_PAGE_MEMMOVE) */
- CREATE_COMM_PAGE_SYMBOL(___old_nanotime, _COMM_PAGE_OLD_NANOTIME)
CREATE_COMM_PAGE_SYMBOL(___memset_pattern, _COMM_PAGE_MEMSET_PATTERN)
CREATE_COMM_PAGE_SYMBOL(___longcopy, _COMM_PAGE_LONGCOPY)
+ CREATE_COMM_PAGE_SYMBOL(___backoff, _COMM_PAGE_BACKOFF)
+ CREATE_COMM_PAGE_SYMBOL(___fifo_enqueue, _COMM_PAGE_FIFO_ENQUEUE)
+ CREATE_COMM_PAGE_SYMBOL(___fifo_dequeue, _COMM_PAGE_FIFO_DEQUEUE)
CREATE_COMM_PAGE_SYMBOL(___nanotime, _COMM_PAGE_NANOTIME)
+ CREATE_COMM_PAGE_SYMBOL(___mutex_lock, _COMM_PAGE_MUTEX_LOCK)
+ CREATE_COMM_PAGE_SYMBOL(___pfz_enqueue, _COMM_PAGE_PFZ_ENQUEUE)
+ CREATE_COMM_PAGE_SYMBOL(___pfz_dequeue, _COMM_PAGE_PFZ_DEQUEUE)
+ CREATE_COMM_PAGE_SYMBOL(___pfz_mutex_lock, _COMM_PAGE_PFZ_MUTEX_LOCK)
CREATE_COMM_PAGE_SYMBOL(___end_comm_page, _COMM_PAGE_END)
.data /* Required to make a well behaved symbol file */
projects / apple / xnu.git / blobdiff