/*
* Copyright (c) 2017 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 __COPYOUT_SHIM_X86_64_H__
#define __COPYOUT_SHIM_X86_64_H__
#ifdef KERNEL_PRIVATE
// Osfmk includes libsa/types.h which causes massive conflicts
// with sys/types.h
#if defined (__i386__) || defined(__x86_64__)
#include "i386/types.h"
#elif defined (__arm__) || defined (__arm64__)
//XXX when ready to turn on for arm: #include "arm/types.h"
#error ARM/ARM64 not supported
#else
#error architecture not supported
#endif
#include <mach/mach_types.h>
#define CO_SRC_NORMAL 1 //copyout() called
#define CO_SRC_MSG (1<<1) //copyoutmsg() called
#define CO_SRC_PHYS (1<<2) //copyio(COPYOUTPHYS,...) called
typedef void (*copyout_shim_fn_t)(const void *, user_addr_t, vm_size_t, unsigned co_src);
#ifdef MACH_KERNEL_PRIVATE
#if(DEVELOPMENT || DEBUG) && (COPYOUT_SHIM > 0)
extern copyout_shim_fn_t copyout_shim_fn;
extern unsigned co_src_flags;
// void call_copyout_shim(const void *kernel_addr,user_addr_t user_addr,vm_size_t nbytes,int copy_type,int copyout_flavors);
#define CALL_COPYOUT_SHIM_NRML(ka, ua, nb) \
if(copyout_shim_fn && (co_src_flags & CO_SRC_NORMAL)) {copyout_shim_fn(ka,ua,nb,CO_SRC_NORMAL); }
#define CALL_COPYOUT_SHIM_MSG(ka, ua, nb) \
if(copyout_shim_fn && (co_src_flags & CO_SRC_MSG)){copyout_shim_fn(ka,ua,nb,CO_SRC_MSG); }
#define CALL_COPYOUT_SHIM_PHYS(ka, ua, nb) \
if(copyout_shim_fn && (co_src_flags & CO_SRC_PHYS)){copyout_shim_fn(ka,ua,nb,CO_SRC_PHYS); }
#else
//Make these calls disappear if we're RELEASE or if COPYOUT_SHIM didn't get built
#define CALL_COPYOUT_SHIM_NRML(ka, ua, nb)
#define CALL_COPYOUT_SHIM_MSG(ka, ua, nb)
#define CALL_COPYOUT_SHIM_PHYS(ka, ua, nb)
#endif /* (DEVELOPMENT || DEBUG) && (COPYOUT_SHIM > 0) */
#endif /* MACH_KERNEL_PRIVATE */
kern_return_t
register_copyout_shim(copyout_shim_fn_t copyout_shim_fn, unsigned co_src_flags);
#define unregister_copyout_shim() register_copyout_shim(NULL,0)
void *
cos_kernel_unslide(const void *);
void *
cos_kernel_reslide(const void *);
#endif /* KERNEL_PRIVATE */
#endif /* __COPYOUT_SHIM_X86_64_H__ */