NV: Implemented the nvdrv service, which uses the same interface as nvdrv:a

src/core/hle/service/nvdrv/interface.cpp

@@ -0,0 +1,69 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/logging/log.h"
+#include "core/hle/ipc_helpers.h"
+#include "core/hle/service/nvdrv/interface.h"
+#include "core/hle/service/nvdrv/nvdrv.h"
+
+namespace Service {
+namespace Nvidia {
+
+void NVDRV::Open(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service, "(STUBBED) called");
+
+    auto buffer = ctx.BufferDescriptorA()[0];
+
+    std::string device_name = Memory::ReadCString(buffer.Address(), buffer.Size());
+
+    u32 fd = nvdrv->Open(device_name);
+    IPC::RequestBuilder rb{ctx, 4};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<u32>(fd);
+    rb.Push<u32>(0);
+}
+
+void NVDRV::Ioctl(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service, "(STUBBED) called");
+
+    IPC::RequestParser rp{ctx};
+    u32 fd = rp.Pop<u32>();
+    u32 command = rp.Pop<u32>();
+
+    auto input_buffer = ctx.BufferDescriptorA()[0];
+    auto output_buffer = ctx.BufferDescriptorB()[0];
+
+    std::vector<u8> input(input_buffer.Size());
+    std::vector<u8> output(output_buffer.Size());
+
+    Memory::ReadBlock(input_buffer.Address(), input.data(), input_buffer.Size());
+
+    u32 nv_result = nvdrv->Ioctl(fd, command, input, output);
+
+    Memory::WriteBlock(output_buffer.Address(), output.data(), output_buffer.Size());
+
+    IPC::RequestBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push(nv_result);
+}
+
+void NVDRV::Initialize(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service, "(STUBBED) called");
+    IPC::RequestBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<u32>(0);
+}
+
+NVDRV::NVDRV(std::shared_ptr<Module> nvdrv, const char* name)
+    : ServiceFramework(name), nvdrv(std::move(nvdrv)) {
+    static const FunctionInfo functions[] = {
+        {0, &NVDRV::Open, "Open"},
+        {1, &NVDRV::Ioctl, "Ioctl"},
+        {3, &NVDRV::Initialize, "Initialize"},
+    };
+    RegisterHandlers(functions);
+}
+
+} // namespace Nvidia
+} // namespace Service