f9951352f6
Avoids copies from being made, since the string is only ever used for lookup, the data is never transfered anywhere. Ideally, we'd use a std::string_view here, but devices is a std::unordered_map, not a std::map, so we can't use heterogenous lookup here.
76 lines
2.8 KiB
C++
76 lines
2.8 KiB
C++
// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <utility>
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#include "core/hle/ipc_helpers.h"
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#include "core/hle/service/nvdrv/devices/nvdevice.h"
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#include "core/hle/service/nvdrv/devices/nvdisp_disp0.h"
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#include "core/hle/service/nvdrv/devices/nvhost_as_gpu.h"
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#include "core/hle/service/nvdrv/devices/nvhost_ctrl.h"
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#include "core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.h"
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#include "core/hle/service/nvdrv/devices/nvhost_gpu.h"
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#include "core/hle/service/nvdrv/devices/nvhost_nvdec.h"
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#include "core/hle/service/nvdrv/devices/nvmap.h"
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#include "core/hle/service/nvdrv/interface.h"
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#include "core/hle/service/nvdrv/nvdrv.h"
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#include "core/hle/service/nvdrv/nvmemp.h"
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namespace Service::Nvidia {
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std::weak_ptr<Module> nvdrv;
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void InstallInterfaces(SM::ServiceManager& service_manager) {
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auto module_ = std::make_shared<Module>();
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std::make_shared<NVDRV>(module_, "nvdrv")->InstallAsService(service_manager);
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std::make_shared<NVDRV>(module_, "nvdrv:a")->InstallAsService(service_manager);
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std::make_shared<NVDRV>(module_, "nvdrv:s")->InstallAsService(service_manager);
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std::make_shared<NVDRV>(module_, "nvdrv:t")->InstallAsService(service_manager);
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std::make_shared<NVMEMP>()->InstallAsService(service_manager);
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nvdrv = module_;
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}
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Module::Module() {
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auto nvmap_dev = std::make_shared<Devices::nvmap>();
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devices["/dev/nvhost-as-gpu"] = std::make_shared<Devices::nvhost_as_gpu>(nvmap_dev);
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devices["/dev/nvhost-gpu"] = std::make_shared<Devices::nvhost_gpu>(nvmap_dev);
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devices["/dev/nvhost-ctrl-gpu"] = std::make_shared<Devices::nvhost_ctrl_gpu>();
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devices["/dev/nvmap"] = nvmap_dev;
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devices["/dev/nvdisp_disp0"] = std::make_shared<Devices::nvdisp_disp0>(nvmap_dev);
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devices["/dev/nvhost-ctrl"] = std::make_shared<Devices::nvhost_ctrl>();
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devices["/dev/nvhost-nvdec"] = std::make_shared<Devices::nvhost_nvdec>();
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}
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u32 Module::Open(const std::string& device_name) {
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ASSERT_MSG(devices.find(device_name) != devices.end(), "Trying to open unknown device {}",
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device_name);
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auto device = devices[device_name];
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const u32 fd = next_fd++;
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open_files[fd] = std::move(device);
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return fd;
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}
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u32 Module::Ioctl(u32 fd, u32_le command, const std::vector<u8>& input, std::vector<u8>& output) {
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auto itr = open_files.find(fd);
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ASSERT_MSG(itr != open_files.end(), "Tried to talk to an invalid device");
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auto& device = itr->second;
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return device->ioctl({command}, input, output);
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}
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ResultCode Module::Close(u32 fd) {
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auto itr = open_files.find(fd);
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ASSERT_MSG(itr != open_files.end(), "Tried to talk to an invalid device");
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open_files.erase(itr);
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// TODO(flerovium): return correct result code if operation failed.
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return RESULT_SUCCESS;
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}
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} // namespace Service::Nvidia
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