| /* |
| * Copyright (c) 2014-2016 ARM Limited |
| * All rights reserved |
| * |
| * The license below extends only to copyright in the software and shall |
| * not be construed as granting a license to any other intellectual |
| * property including but not limited to intellectual property relating |
| * to a hardware implementation of the functionality of the software |
| * licensed hereunder. You may use the software subject to the license |
| * terms below provided that you ensure that this notice is replicated |
| * unmodified and in its entirety in all distributions of the software, |
| * modified or unmodified, in source code or in binary form. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer; |
| * redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution; |
| * neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * Authors: Andreas Sandberg |
| */ |
| |
| #include "dev/arm/gpu_nomali.hh" |
| |
| #include "debug/NoMali.hh" |
| #include "dev/arm/base_gic.hh" |
| #include "dev/arm/realview.hh" |
| #include "enums/MemoryMode.hh" |
| #include "mem/packet_access.hh" |
| #include "nomali/lib/mali_midg_regmap.h" |
| #include "params/CustomNoMaliGpu.hh" |
| #include "params/NoMaliGpu.hh" |
| |
| static const std::map<Enums::NoMaliGpuType, nomali_gpu_type_t> gpuTypeMap{ |
| { Enums::T60x, NOMALI_GPU_T60X }, |
| { Enums::T62x, NOMALI_GPU_T62X }, |
| { Enums::T760, NOMALI_GPU_T760 }, |
| }; |
| |
| NoMaliGpu::NoMaliGpu(const NoMaliGpuParams *p) |
| : PioDevice(p), |
| pioAddr(p->pio_addr), |
| platform(p->platform), |
| interruptMap{ |
| { NOMALI_INT_GPU, p->int_gpu }, |
| { NOMALI_INT_JOB, p->int_job }, |
| { NOMALI_INT_MMU, p->int_mmu }, |
| } |
| { |
| if (nomali_api_version() != NOMALI_API_VERSION) |
| panic("NoMali library API mismatch!\n"); |
| |
| /* Setup the GPU configuration based on our param struct */ |
| nomali_config_t cfg; |
| memset(&cfg, 0, sizeof(cfg)); |
| |
| const auto it_gpu(gpuTypeMap.find(p->gpu_type)); |
| if (it_gpu == gpuTypeMap.end()) { |
| fatal("Unrecognized GPU type: %s (%i)\n", |
| Enums::NoMaliGpuTypeStrings[p->gpu_type], p->gpu_type); |
| } |
| cfg.type = it_gpu->second; |
| |
| cfg.ver_maj = p->ver_maj; |
| cfg.ver_min = p->ver_min; |
| cfg.ver_status = p->ver_status; |
| |
| panicOnErr( |
| nomali_create(&nomali, &cfg), |
| "Failed to instantiate NoMali"); |
| |
| |
| /* Setup an interrupt callback */ |
| nomali_callback_t cbk_int; |
| cbk_int.type = NOMALI_CALLBACK_INT; |
| cbk_int.usr = (void *)this; |
| cbk_int.func.interrupt = NoMaliGpu::_interrupt; |
| setCallback(cbk_int); |
| |
| /* Setup a reset callback */ |
| nomali_callback_t cbk_rst; |
| cbk_rst.type = NOMALI_CALLBACK_RESET; |
| cbk_rst.usr = (void *)this; |
| cbk_rst.func.reset = NoMaliGpu::_reset; |
| setCallback(cbk_rst); |
| |
| panicOnErr( |
| nomali_get_info(nomali, &nomaliInfo), |
| "Failed to get NoMali information struct"); |
| } |
| |
| NoMaliGpu::~NoMaliGpu() |
| { |
| nomali_destroy(nomali); |
| } |
| |
| |
| void |
| NoMaliGpu::init() |
| { |
| PioDevice::init(); |
| |
| /* Reset the GPU here since the reset callback won't have been |
| * installed when the GPU was reset at instantiation time. |
| */ |
| reset(); |
| } |
| |
| void |
| NoMaliGpu::serialize(CheckpointOut &cp) const |
| { |
| std::vector<uint32_t> regs(nomaliInfo.reg_size >> 2); |
| |
| for (int i = 0; i < nomaliInfo.reg_size; i += 4) |
| regs[i >> 2] = readRegRaw(i); |
| |
| SERIALIZE_CONTAINER(regs); |
| } |
| |
| void |
| NoMaliGpu::unserialize(CheckpointIn &cp) |
| { |
| std::vector<uint32_t> regs(nomaliInfo.reg_size >> 2); |
| |
| UNSERIALIZE_CONTAINER(regs); |
| |
| for (int i = 0; i < nomaliInfo.reg_size; i += 4) |
| writeRegRaw(i, regs[i >> 2]); |
| } |
| |
| Tick |
| NoMaliGpu::read(PacketPtr pkt) |
| { |
| assert(pkt->getAddr() >= pioAddr); |
| const Addr addr(pkt->getAddr() - pioAddr); |
| const unsigned size(pkt->getSize()); |
| |
| if (addr + size >= nomaliInfo.reg_size) |
| panic("GPU register '0x%x' out of range!\n", addr); |
| |
| if (size != 4) |
| panic("Unexpected GPU register read size: %i\n", size); |
| else if (addr & 0x3) |
| panic("Unaligned GPU read: %i\n", size); |
| |
| pkt->setLE<uint32_t>(readReg(addr)); |
| pkt->makeResponse(); |
| |
| return 0; |
| } |
| |
| Tick |
| NoMaliGpu::write(PacketPtr pkt) |
| { |
| assert(pkt->getAddr() >= pioAddr); |
| const Addr addr(pkt->getAddr() - pioAddr); |
| const unsigned size(pkt->getSize()); |
| |
| if (addr + size >= nomaliInfo.reg_size) |
| panic("GPU register '0x%x' out of range!\n", addr); |
| |
| if (size != 4) |
| panic("Unexpected GPU register write size: %i\n", size); |
| else if (addr & 0x3) |
| panic("Unaligned GPU write: %i\n", size); |
| |
| writeReg(addr, pkt->getLE<uint32_t>()); |
| pkt->makeAtomicResponse(); |
| |
| return 0; |
| } |
| |
| AddrRangeList |
| NoMaliGpu::getAddrRanges() const |
| { |
| return AddrRangeList({ RangeSize(pioAddr, nomaliInfo.reg_size) }); |
| } |
| |
| void |
| NoMaliGpu::reset() |
| { |
| DPRINTF(NoMali, "reset()\n"); |
| |
| panicOnErr( |
| nomali_reset(nomali), |
| "Failed to reset GPU"); |
| } |
| |
| uint32_t |
| NoMaliGpu::readReg(nomali_addr_t reg) |
| { |
| uint32_t value; |
| |
| panicOnErr( |
| nomali_reg_read(nomali, &value, reg), |
| "GPU register read failed"); |
| |
| DPRINTF(NoMali, "readReg(0x%x): 0x%x\n", |
| reg, value); |
| |
| return value; |
| } |
| |
| |
| void |
| NoMaliGpu::writeReg(nomali_addr_t reg, uint32_t value) |
| { |
| DPRINTF(NoMali, "writeReg(0x%x, 0x%x)\n", |
| reg, value); |
| |
| panicOnErr( |
| nomali_reg_write(nomali, reg, value), |
| "GPU register write failed"); |
| } |
| |
| uint32_t |
| NoMaliGpu::readRegRaw(nomali_addr_t reg) const |
| { |
| uint32_t value; |
| |
| panicOnErr( |
| nomali_reg_read_raw(nomali, &value, reg), |
| "GPU raw register read failed"); |
| |
| return value; |
| } |
| |
| |
| void |
| NoMaliGpu::writeRegRaw(nomali_addr_t reg, uint32_t value) |
| { |
| panicOnErr( |
| nomali_reg_write_raw(nomali, reg, value), |
| "GPU raw register write failed"); |
| } |
| |
| bool |
| NoMaliGpu::intState(nomali_int_t intno) |
| { |
| int state = 0; |
| panicOnErr( |
| nomali_int_state(nomali, &state, intno), |
| "Failed to get interrupt state"); |
| |
| return !!state; |
| } |
| |
| void |
| NoMaliGpu::gpuPanic(nomali_error_t err, const char *msg) |
| { |
| panic("%s: %s\n", msg, nomali_errstr(err)); |
| } |
| |
| |
| void |
| NoMaliGpu::onInterrupt(nomali_int_t intno, bool set) |
| { |
| const auto it_int(interruptMap.find(intno)); |
| if (it_int == interruptMap.end()) |
| panic("Unhandled interrupt from NoMali: %i\n", intno); |
| |
| DPRINTF(NoMali, "Interrupt %i->%i: %i\n", |
| intno, it_int->second, set); |
| |
| assert(platform); |
| assert(platform->gic); |
| |
| if (set) |
| platform->gic->sendInt(it_int->second); |
| else |
| platform->gic->clearInt(it_int->second); |
| } |
| |
| void |
| NoMaliGpu::onReset() |
| { |
| DPRINTF(NoMali, "Reset\n"); |
| } |
| |
| void |
| NoMaliGpu::setCallback(const nomali_callback_t &callback) |
| { |
| DPRINTF(NoMali, "Registering callback %i\n", |
| callback.type); |
| |
| panicOnErr( |
| nomali_set_callback(nomali, &callback), |
| "Failed to register callback"); |
| } |
| |
| void |
| NoMaliGpu::_interrupt(nomali_handle_t h, void *usr, |
| nomali_int_t intno, int set) |
| { |
| NoMaliGpu *_this(static_cast<NoMaliGpu *>(usr)); |
| |
| _this->onInterrupt(intno, !!set); |
| } |
| |
| void |
| NoMaliGpu::_reset(nomali_handle_t h, void *usr) |
| { |
| NoMaliGpu *_this(static_cast<NoMaliGpu *>(usr)); |
| |
| _this->onReset(); |
| } |
| |
| |
| CustomNoMaliGpu::CustomNoMaliGpu(const CustomNoMaliGpuParams *p) |
| : NoMaliGpu(p), |
| idRegs{ |
| { GPU_CONTROL_REG(GPU_ID), p->gpu_id }, |
| { GPU_CONTROL_REG(L2_FEATURES), p->l2_features }, |
| { GPU_CONTROL_REG(TILER_FEATURES), p->tiler_features }, |
| { GPU_CONTROL_REG(MEM_FEATURES), p->mem_features }, |
| { GPU_CONTROL_REG(MMU_FEATURES), p->mmu_features }, |
| { GPU_CONTROL_REG(AS_PRESENT), p->as_present }, |
| { GPU_CONTROL_REG(JS_PRESENT), p->js_present }, |
| |
| { GPU_CONTROL_REG(THREAD_MAX_THREADS), p->thread_max_threads }, |
| { GPU_CONTROL_REG(THREAD_MAX_WORKGROUP_SIZE), |
| p->thread_max_workgroup_size }, |
| { GPU_CONTROL_REG(THREAD_MAX_BARRIER_SIZE), |
| p->thread_max_barrier_size }, |
| { GPU_CONTROL_REG(THREAD_FEATURES), p->thread_features }, |
| |
| { GPU_CONTROL_REG(SHADER_PRESENT_LO), bits(p->shader_present, 31, 0) }, |
| { GPU_CONTROL_REG(SHADER_PRESENT_HI), bits(p->shader_present, 63, 32) }, |
| { GPU_CONTROL_REG(TILER_PRESENT_LO), bits(p->tiler_present, 31, 0) }, |
| { GPU_CONTROL_REG(TILER_PRESENT_HI), bits(p->tiler_present, 63, 32) }, |
| { GPU_CONTROL_REG(L2_PRESENT_LO), bits(p->l2_present, 31, 0) }, |
| { GPU_CONTROL_REG(L2_PRESENT_HI), bits(p->l2_present, 63, 32) }, |
| } |
| { |
| fatal_if(p->texture_features.size() > 3, |
| "Too many texture feature registers specified (%i)\n", |
| p->texture_features.size()); |
| |
| fatal_if(p->js_features.size() > 16, |
| "Too many job slot feature registers specified (%i)\n", |
| p->js_features.size()); |
| |
| for (int i = 0; i < p->texture_features.size(); i++) |
| idRegs[TEXTURE_FEATURES_REG(i)] = p->texture_features[i]; |
| |
| for (int i = 0; i < p->js_features.size(); i++) |
| idRegs[JS_FEATURES_REG(i)] = p->js_features[i]; |
| } |
| |
| CustomNoMaliGpu::~CustomNoMaliGpu() |
| { |
| } |
| |
| void |
| CustomNoMaliGpu::onReset() |
| { |
| NoMaliGpu::onReset(); |
| |
| for (const auto ® : idRegs) |
| writeRegRaw(reg.first, reg.second); |
| } |
| |
| |
| |
| NoMaliGpu * |
| NoMaliGpuParams::create() |
| { |
| return new NoMaliGpu(this); |
| } |
| |
| CustomNoMaliGpu * |
| CustomNoMaliGpuParams::create() |
| { |
| return new CustomNoMaliGpu(this); |
| } |