gpu_nomali.hh revision 11168
1955SN/A/* 2955SN/A * Copyright (c) 2014-2015 ARM Limited 35871Snate@binkert.org * All rights reserved 41762SN/A * 5955SN/A * The license below extends only to copyright in the software and shall 6955SN/A * not be construed as granting a license to any other intellectual 7955SN/A * property including but not limited to intellectual property relating 8955SN/A * to a hardware implementation of the functionality of the software 9955SN/A * licensed hereunder. You may use the software subject to the license 10955SN/A * terms below provided that you ensure that this notice is replicated 11955SN/A * unmodified and in its entirety in all distributions of the software, 12955SN/A * modified or unmodified, in source code or in binary form. 13955SN/A * 14955SN/A * Redistribution and use in source and binary forms, with or without 15955SN/A * modification, are permitted provided that the following conditions are 16955SN/A * met: redistributions of source code must retain the above copyright 17955SN/A * notice, this list of conditions and the following disclaimer; 18955SN/A * redistributions in binary form must reproduce the above copyright 19955SN/A * notice, this list of conditions and the following disclaimer in the 20955SN/A * documentation and/or other materials provided with the distribution; 21955SN/A * neither the name of the copyright holders nor the names of its 22955SN/A * contributors may be used to endorse or promote products derived from 23955SN/A * this software without specific prior written permission. 24955SN/A * 25955SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 26955SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 27955SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 28955SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 292665Ssaidi@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 302665Ssaidi@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 315863Snate@binkert.org * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 32955SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 33955SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34955SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 35955SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 36955SN/A * 372632Sstever@eecs.umich.edu * Authors: Andreas Sandberg 382632Sstever@eecs.umich.edu */ 392632Sstever@eecs.umich.edu 402632Sstever@eecs.umich.edu#ifndef __DEV_ARM_NOMALI_GPU_HH__ 41955SN/A#define __DEV_ARM_NOMALI_GPU_HH__ 422632Sstever@eecs.umich.edu 432632Sstever@eecs.umich.edu#include <map> 442761Sstever@eecs.umich.edu 452632Sstever@eecs.umich.edu#include "dev/io_device.hh" 462632Sstever@eecs.umich.edu#include "libnomali/nomali.h" 472632Sstever@eecs.umich.edu 482761Sstever@eecs.umich.educlass NoMaliGpuParams; 492761Sstever@eecs.umich.educlass RealView; 502761Sstever@eecs.umich.edu 512632Sstever@eecs.umich.educlass NoMaliGpu : public PioDevice 522632Sstever@eecs.umich.edu{ 532761Sstever@eecs.umich.edu public: 542761Sstever@eecs.umich.edu NoMaliGpu(const NoMaliGpuParams *p); 552761Sstever@eecs.umich.edu virtual ~NoMaliGpu(); 562761Sstever@eecs.umich.edu 572761Sstever@eecs.umich.edu public: /* Checkpointing */ 582632Sstever@eecs.umich.edu void serialize(CheckpointOut &cp) const override; 592632Sstever@eecs.umich.edu void unserialize(CheckpointIn &cp) override; 602632Sstever@eecs.umich.edu 612632Sstever@eecs.umich.edu public: /* IO device interfaces */ 622632Sstever@eecs.umich.edu Tick read(PacketPtr pkt) override; 632632Sstever@eecs.umich.edu Tick write(PacketPtr pkt) override; 642632Sstever@eecs.umich.edu AddrRangeList getAddrRanges() const override; 65955SN/A 66955SN/A private: 67955SN/A /** 685863Snate@binkert.org * Interrupt callback from the NoMali library. 695863Snate@binkert.org * 705863Snate@binkert.org * This method calls onInterrupt() on the NoMaliGpu owning this 715863Snate@binkert.org * device. 725863Snate@binkert.org * 735863Snate@binkert.org * @param h NoMali library handle. 745863Snate@binkert.org * @param usr Pointer to an instance of the NoMaliGpu 755863Snate@binkert.org * @param intno GPU interrupt type 765863Snate@binkert.org * @param set Was the interrupt raised (1) or lowered (0)? 775863Snate@binkert.org */ 785863Snate@binkert.org static void _interrupt(nomali_handle_t h, void *usr, 795863Snate@binkert.org nomali_int_t intno, int set); 805863Snate@binkert.org 815863Snate@binkert.org void onInterrupt(nomali_handle_t h, nomali_int_t intno, bool set); 825863Snate@binkert.org 835863Snate@binkert.org /** Wrapper around nomali_reg_read(). */ 845863Snate@binkert.org uint32_t readReg(nomali_addr_t reg); 855863Snate@binkert.org /** Wrapper around nomali_reg_write(). */ 865863Snate@binkert.org void writeReg(nomali_addr_t reg, uint32_t value); 875863Snate@binkert.org 885863Snate@binkert.org /** Wrapper around nomali_reg_read_raw(). */ 895863Snate@binkert.org uint32_t readRegRaw(nomali_addr_t reg) const; 905863Snate@binkert.org /** Wrapper around nomali_reg_write_raw(). */ 915863Snate@binkert.org void writeRegRaw(nomali_addr_t reg, uint32_t value); 925863Snate@binkert.org 935863Snate@binkert.org /** 945863Snate@binkert.org * Format a NoMali error into an error message and panic. 955863Snate@binkert.org * 965863Snate@binkert.org * @param err Error code from the NoMali library. 975863Snate@binkert.org * @param msg Message to print. 985863Snate@binkert.org */ 99955SN/A static void gpuPanic(nomali_error_t err, const char *msg) M5_ATTR_NORETURN; 1005396Ssaidi@eecs.umich.edu /** 1015863Snate@binkert.org * Panic if the NoMali returned an error, do nothing otherwise. 1025863Snate@binkert.org * 1034202Sbinkertn@umich.edu * @param err Error code from the NoMali library. 1045863Snate@binkert.org * @param msg Message to print when panicking. 1055863Snate@binkert.org */ 1065863Snate@binkert.org static void panicOnErr(nomali_error_t err, const char *msg) { 1075863Snate@binkert.org if (err != NOMALI_E_OK) 108955SN/A gpuPanic(err, msg); 1095273Sstever@gmail.com } 1105871Snate@binkert.org 1115273Sstever@gmail.com /** Device base address */ 1125871Snate@binkert.org const Addr pioAddr; 1135863Snate@binkert.org 1145863Snate@binkert.org /** Platform, used to discover GIC */ 1155863Snate@binkert.org RealView *const platform; 1165871Snate@binkert.org 1175872Snate@binkert.org /** Map between NoMali interrupt types and actual GIC 1185872Snate@binkert.org * interrupts */ 1195872Snate@binkert.org const std::map<nomali_int_t, uint32_t> interruptMap; 1205871Snate@binkert.org 1215871Snate@binkert.org 1225871Snate@binkert.org /** Cached information struct from the NoMali library */ 1235871Snate@binkert.org nomali_info_t nomaliInfo; 1245871Snate@binkert.org 1255871Snate@binkert.org /** Handle of a NoMali library instance */ 1265871Snate@binkert.org nomali_handle_t nomali; 1275871Snate@binkert.org}; 1285871Snate@binkert.org 1295871Snate@binkert.org 1305871Snate@binkert.org#endif // __DEV_ARM_NOMALI_GPU_HH__ 1315871Snate@binkert.org