115 lines
2.6 KiB
C++
115 lines
2.6 KiB
C++
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/*
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* Copyright (c) 2016 ARM Limited
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* All rights reserved
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Authors: Andreas Sandberg
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*/
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#ifndef _LIBNOMALIMODEL_ADDRSPACE_HH
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#define _LIBNOMALIMODEL_ADDRSPACE_HH
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#include <vector>
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#include "gpublock.hh"
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#include "types.hh"
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namespace NoMali {
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class GPU;
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class MMU;
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/**
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* Midgard job slot implementation.
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*
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* A job slot is a part of a JobControl block that controls the state
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* of one out of 16 active jobs. Each slot can contain one running job
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* and a pending job.
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*/
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class AddrSpace
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: public GPUBlock
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{
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public:
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AddrSpace(GPU &_gpu, MMU &_mmu, uint8_t slot_id);
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AddrSpace(AddrSpace &&rhs);
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virtual ~AddrSpace();
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void writeReg(RegAddr idx, uint32_t value) override;
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protected:
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/**
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* @{
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* @name Address Space Control
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*/
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/** @} */
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/**
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* @{
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* @name Job slot commands
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*/
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/**
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* Address space command dispatcher.
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*
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* This method is called whenever there is a write to the
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* ASn_COMMAND register. The method uses a lookup table to call
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* the right command handling method.
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*
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* @param cmd Command number (see the Midgard architecture
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* specification)
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*/
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void asCommand(uint32_t cmd);
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/**
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* Command handler for No-ops.
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*
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* @param cmd Command number (see the Midgard architecture
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* specification)
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*/
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void cmdNop(uint32_t cmd);
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void cmdUpdate(uint32_t cmd);
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void cmdLock(uint32_t cmd);
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void cmdUnlock(uint32_t cmd);
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void cmdFlushPT(uint32_t cmd);
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void cmdFlushMem(uint32_t cmd);
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/** @} */
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/** Address space ID */
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const uint8_t id;
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/** Parent MMU block */
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MMU &mmu;
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private:
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typedef void (AddrSpace::*cmd_t)(uint32_t);
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/**
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* Mapping between command IDs and command handling methods.
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*
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* @note The order of this vector <i>MUST</i> correspond to the
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* address space command IDs in the Midgard architecture
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* specification.
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*/
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static const std::vector<cmd_t> cmds;
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};
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}
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#endif // _LIBNOMALIMODEL_ADDRSPACE_HH
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