/*
* Copyright (c) 2000 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@
*/
// These functions have migrated to the comm page.
#define __APPLE_API_PRIVATE
#include <machine/cpu_capabilities.h>
#undef __APPLE_API_PRIVATE
#if defined (__ppc__) || defined(__ppc64__)
#define COMM_PAGE_BRANCH(_symbol_, _address_) \
.align 4 @\
.globl _symbol_ @\
_symbol_: @\
ba _address_
#elif defined (__i386__)
#define COMM_PAGE_BRANCH(_symbol_, _address_) \
.align 4, 0x90 _symbol_: jmpl %eax
#elif defined (__x86_64__)
#define COMM_PAGE_BRANCH(_symbol_, _address_) .globl _symbol_ mov $(_address_), %rax
#elif defined (__arm__)
#warn PWC_TODO see radar 4273615
#else
#error architecture not supported
#endif
#ifdef COMM_PAGE_BRANCH
.text
COMM_PAGE_BRANCH(_IOTrySpinLock, _COMM_PAGE_SPINLOCK_TRY)
COMM_PAGE_BRANCH(_ev_try_lock, _COMM_PAGE_SPINLOCK_TRY)
COMM_PAGE_BRANCH(_IOSpinLock, _COMM_PAGE_SPINLOCK_LOCK)
COMM_PAGE_BRANCH(_ev_lock, _COMM_PAGE_SPINLOCK_LOCK)
COMM_PAGE_BRANCH(_IOSpinUnlock, _COMM_PAGE_SPINLOCK_UNLOCK)
COMM_PAGE_BRANCH(_ev_unlock, _COMM_PAGE_SPINLOCK_UNLOCK)
#endif