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/*
* Copyright (c) 2016 ARM Limited
* All rights reserved
*
* Licensed 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.
*
* Authors: Andreas Sandberg
*/
#ifndef _LIBNOMALIMODEL_ADDRSPACE_HH
#define _LIBNOMALIMODEL_ADDRSPACE_HH
#include <vector>
#include "gpublock.hh"
#include "types.hh"
namespace NoMali {
class GPU;
class MMU;
/**
* Midgard job slot implementation.
*
* A job slot is a part of a JobControl block that controls the state
* of one out of 16 active jobs. Each slot can contain one running job
* and a pending job.
*/
class AddrSpace
: public GPUBlock
{
public:
AddrSpace(GPU &_gpu, MMU &_mmu, uint8_t slot_id);
AddrSpace(AddrSpace &&rhs);
virtual ~AddrSpace();
void writeReg(RegAddr idx, uint32_t value) override;
protected:
/**
* @{
* @name Address Space Control
*/
/** @} */
/**
* @{
* @name Job slot commands
*/
/**
* Address space command dispatcher.
*
* This method is called whenever there is a write to the
* ASn_COMMAND register. The method uses a lookup table to call
* the right command handling method.
*
* @param cmd Command number (see the Midgard architecture
* specification)
*/
void asCommand(uint32_t cmd);
/**
* Command handler for No-ops.
*
* @param cmd Command number (see the Midgard architecture
* specification)
*/
void cmdNop(uint32_t cmd);
void cmdUpdate(uint32_t cmd);
void cmdLock(uint32_t cmd);
void cmdUnlock(uint32_t cmd);
void cmdFlushPT(uint32_t cmd);
void cmdFlushMem(uint32_t cmd);
/** @} */
/** Address space ID */
const uint8_t id;
/** Parent MMU block */
MMU &mmu;
private:
typedef void (AddrSpace::*cmd_t)(uint32_t);
/**
* Mapping between command IDs and command handling methods.
*
* @note The order of this vector <i>MUST</i> correspond to the
* address space command IDs in the Midgard architecture
* specification.
*/
static const std::vector<cmd_t> cmds;
};
}
#endif // _LIBNOMALIMODEL_ADDRSPACE_HH
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