CoreServer.h

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/*
 * Copyright (C) 2009 Niek Linnenbank
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef __SERVER_CORE_CORESERVER_H
#define __SERVER_CORE_CORESERVER_H
 
#include <FreeNOS/User.h>
#include <ChannelServer.h>
#include <List.h>
#include <Types.h>
#include <Macros.h>
#include <Index.h>
#include <ExecutableFormat.h>
#include <MemoryChannel.h>
#include <CoreInfo.h>
#include <Factory.h>
#include <CoreManager.h>
#include "Core.h"
#include "CoreMessage.h"
 
class CoreServer : public ChannelServer<CoreServer, CoreMessage>
                 , public AbstractFactory<CoreServer>
{
  private:
 
    static const Size MaxCores = 256;
 
    static const Size MaxMessageRetry = 128;
 
    static const char *kernelPath;
 
  public:
 
    CoreServer();
 
    Core::Result test();
 
    int runCore();
 
    virtual Result initialize();
 
  private:
 
    virtual Core::Result bootCore(uint coreId, CoreInfo *info) = 0;
 
    virtual Core::Result discoverCores() = 0;
 
    virtual void waitIPI() const = 0;
 
    virtual Core::Result sendIPI(uint coreId) = 0;
 
  private:
 
    Core::Result prepareCore(uint coreId, CoreInfo *info, ExecutableFormat::Region *regions);
 
    Core::Result prepareCoreInfo();
 
    Core::Result loadKernel();
 
    Core::Result unloadKernel();
 
    Core::Result bootAll();
 
    Core::Result setupChannels();
 
    Core::Result clearPages(Address addr, Size size);
 
    void getCoreCount(CoreMessage *msg);
 
    void createProcess(CoreMessage *msg);
 
    Core::Result receiveFromMaster(CoreMessage *msg);
 
    Core::Result sendToMaster(CoreMessage *msg);
 
    Core::Result receiveFromSlave(uint coreId, CoreMessage *msg);
 
    Core::Result sendToSlave(uint coreId, CoreMessage *msg);
 
  protected:
 
    CoreManager *m_cores;
 
  private:
 
    ExecutableFormat *m_kernel;
    Memory::Range m_kernelImage;
 
    ExecutableFormat::Region m_regions[16];
 
    Size m_numRegions;
 
    Index<CoreInfo, MaxCores> *m_coreInfo;
    SystemInformation m_info;
 
    Index<MemoryChannel, MaxCores> *m_fromSlave;
    Index<MemoryChannel, MaxCores> *m_toSlave;
 
    MemoryChannel *m_toMaster;
    MemoryChannel *m_fromMaster;
};
 
#endif /* __SERVER_CORE_CORESERVER_H */