diff options
Diffstat (limited to '')
-rw-r--r-- | src/core/hle/service/nvdrv/nvdrv_interface.cpp | 37 |
1 files changed, 30 insertions, 7 deletions
diff --git a/src/core/hle/service/nvdrv/nvdrv_interface.cpp b/src/core/hle/service/nvdrv/nvdrv_interface.cpp index c8a880e84..ffe72f281 100644 --- a/src/core/hle/service/nvdrv/nvdrv_interface.cpp +++ b/src/core/hle/service/nvdrv/nvdrv_interface.cpp @@ -3,8 +3,11 @@ // SPDX-License-Identifier: GPL-3.0-or-later #include "common/logging/log.h" +#include "common/scope_exit.h" +#include "common/string_util.h" #include "core/core.h" #include "core/hle/kernel/k_event.h" +#include "core/hle/kernel/k_process.h" #include "core/hle/kernel/k_readable_event.h" #include "core/hle/service/ipc_helpers.h" #include "core/hle/service/nvdrv/nvdata.h" @@ -27,7 +30,7 @@ void NVDRV::Open(HLERequestContext& ctx) { } const auto& buffer = ctx.ReadBuffer(); - const std::string device_name(buffer.begin(), buffer.end()); + const std::string device_name(Common::StringFromBuffer(buffer)); if (device_name == "/dev/nvhost-prof-gpu") { rb.Push<DeviceFD>(0); @@ -37,7 +40,7 @@ void NVDRV::Open(HLERequestContext& ctx) { return; } - DeviceFD fd = nvdrv->Open(device_name); + DeviceFD fd = nvdrv->Open(device_name, session_id); rb.Push<DeviceFD>(fd); rb.PushEnum(fd != INVALID_NVDRV_FD ? NvResult::Success : NvResult::FileOperationFailed); @@ -150,12 +153,29 @@ void NVDRV::Close(HLERequestContext& ctx) { void NVDRV::Initialize(HLERequestContext& ctx) { LOG_WARNING(Service_NVDRV, "(STUBBED) called"); + IPC::ResponseBuilder rb{ctx, 3}; + SCOPE_EXIT({ + rb.Push(ResultSuccess); + rb.PushEnum(NvResult::Success); + }); - is_initialized = true; + if (is_initialized) { + // No need to initialize again + return; + } - IPC::ResponseBuilder rb{ctx, 3}; - rb.Push(ResultSuccess); - rb.PushEnum(NvResult::Success); + IPC::RequestParser rp{ctx}; + const auto process_handle{ctx.GetCopyHandle(0)}; + // The transfer memory is lent to nvdrv as a work buffer since nvdrv is + // unable to allocate as much memory on its own. For HLE it's unnecessary to handle it + [[maybe_unused]] const auto transfer_memory_handle{ctx.GetCopyHandle(1)}; + [[maybe_unused]] const auto transfer_memory_size = rp.Pop<u32>(); + + auto& container = nvdrv->GetContainer(); + auto process = ctx.GetObjectFromHandle<Kernel::KProcess>(process_handle); + session_id = container.OpenSession(process.GetPointerUnsafe()); + + is_initialized = true; } void NVDRV::QueryEvent(HLERequestContext& ctx) { @@ -242,6 +262,9 @@ NVDRV::NVDRV(Core::System& system_, std::shared_ptr<Module> nvdrv_, const char* RegisterHandlers(functions); } -NVDRV::~NVDRV() = default; +NVDRV::~NVDRV() { + auto& container = nvdrv->GetContainer(); + container.CloseSession(session_id); +} } // namespace Service::Nvidia |