/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
* @APPLE_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 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.
*
* @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