forked from suyu/suyu
84 lines
2.6 KiB
C++
84 lines
2.6 KiB
C++
// Copyright 2018 Citra Emulator Project
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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 "common/logging/log.h"
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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/nvmap.h"
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#include "core/hle/service/nvdrv/nvdrv.h"
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#include "core/hle/service/nvdrv/nvdrv_a.h"
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namespace Service {
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namespace NVDRV {
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void NVDRV_A::Open(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service, "(STUBBED) called");
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auto buffer = ctx.BufferDescriptorA()[0];
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std::string device_name = Memory::ReadCString(buffer.Address(), buffer.Size());
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auto device = devices[device_name];
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u32 fd = next_fd++;
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open_files[fd] = device;
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IPC::RequestBuilder rb{ctx, 4};
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rb.Push(RESULT_SUCCESS);
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rb.Push<u32>(fd);
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rb.Push<u32>(0);
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}
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void NVDRV_A::Ioctl(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service, "(STUBBED) called");
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IPC::RequestParser rp{ctx};
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u32 fd = rp.Pop<u32>();
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u32 command = rp.Pop<u32>();
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auto input_buffer = ctx.BufferDescriptorA()[0];
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auto output_buffer = ctx.BufferDescriptorB()[0];
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std::vector<u8> input(input_buffer.Size());
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std::vector<u8> output(output_buffer.Size());
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Memory::ReadBlock(input_buffer.Address(), input.data(), input_buffer.Size());
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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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u32 nv_result = device->ioctl(command, input, output);
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Memory::WriteBlock(output_buffer.Address(), output.data(), output_buffer.Size());
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IPC::RequestBuilder rb{ctx, 3};
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rb.Push(RESULT_SUCCESS);
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rb.Push(nv_result);
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}
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void NVDRV_A::Initialize(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service, "(STUBBED) called");
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IPC::RequestBuilder rb{ctx, 3};
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rb.Push(RESULT_SUCCESS);
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rb.Push<u32>(0);
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}
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NVDRV_A::NVDRV_A() : ServiceFramework("nvdrv:a") {
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static const FunctionInfo functions[] = {
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{0, &NVDRV_A::Open, "Open"},
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{1, &NVDRV_A::Ioctl, "Ioctl"},
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{3, &NVDRV_A::Initialize, "Initialize"},
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};
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RegisterHandlers(functions);
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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>();
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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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}
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} // namespace NVDRV
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} // namespace Service
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