modules/portlib/src/main/native/port/windows/hycpu.c

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

#define CDEV_CURRENT_FUNCTION _comment_

/**
 * @file
 * @ingroup Port
 * @brief CPU Control.
 *
 * Functions setting CPU attributes.
 */

#undef CDEV_CURRENT_FUNCTION

#include <windows.h>
#include "hyport.h"

#define CDEV_CURRENT_FUNCTION hycpu_startup
/**
 * PortLibrary startup.
 *
 * This function is called during startup of the portLibrary.  Any resources that are required for
 * the exit operations may be created here.  All resources created here should be destroyed
 * in @ref hycpu_shutdown.
 *
 * @param[in] portLibrary The port library
 *
 * @return 0 on success, negative error code on failure.  Error code values returned are
 * \arg HYPORT_ERROR_STARTUP_CPU
 *
 * @note Most implementations will simply return success.
 */
I_32 VMCALL
hycpu_startup (struct HyPortLibrary *portLibrary)
{
  return 0;
}

#undef CDEV_CURRENT_FUNCTION

#define CDEV_CURRENT_FUNCTION hycpu_shutdown
/**
 * PortLibrary shutdown.
 *
 * This function is called during shutdown of the portLibrary.  Any resources that were created by @ref hycpu_startup
 * should be destroyed here.
 *
 * @param[in] portLibrary The port library
 *
 * @note Most implementations will be empty.
 */
void VMCALL
hycpu_shutdown (struct HyPortLibrary *portLibrary)
{
  /* empty */
}

#undef CDEV_CURRENT_FUNCTION

#define CDEV_CURRENT_FUNCTION hycpu_flush_icache
/**
 * @brief CPU Control operations.
 *
 * Flush the instruction cache to memory.
 *
 * @param[in] portLibrary The port library
 * @param[in] memoryPointer The base address of memory to flush.
 * @param[in] byteAmount Number of bytes to flush.
 */
void VMCALL
hycpu_flush_icache (struct HyPortLibrary *portLibrary, void *memoryPointer,
		    UDATA byteAmount)
{
  FlushInstructionCache (GetCurrentProcess (), memoryPointer, byteAmount);
}

#undef CDEV_CURRENT_FUNCTION