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nv_services: Implement NvQueryEvent, NvCtrlEventWait, NvEventRegister, NvEventUnregister

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This commit is contained in:
Fernando Sahmkow
2019-06-07 18:41:55 -04:00
committed by FernandoS27
parent 7039ece0a0
commit e0027eba85
7 changed files with 192 additions and 17 deletions
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26
src/core/hle/service/nvdrv/nvdrv.cpp
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@ -4,7 +4,10 @@
#include <utility>
#include <fmt/format.h>
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/readable_event.h"
#include "core/hle/kernel/writable_event.h"
#include "core/hle/service/nvdrv/devices/nvdevice.h"
#include "core/hle/service/nvdrv/devices/nvdisp_disp0.h"
#include "core/hle/service/nvdrv/devices/nvhost_as_gpu.h"
@ -33,13 +36,21 @@ void InstallInterfaces(SM::ServiceManager& service_manager, NVFlinger::NVFlinger
}
Module::Module() {
auto& kernel = Core::System::GetInstance().Kernel();
for (u32 i = 0; i < MaxNvEvents; i++) {
std::string event_label = fmt::format("NVDRV::NvEvent_{}", i);
events_interface.events[i] = Kernel::WritableEvent::CreateEventPair(
kernel, Kernel::ResetType::Automatic, event_label);
events_interface.status[i] = EventState::Free;
events_interface.registered[i] = false;
}
auto nvmap_dev = std::make_shared<Devices::nvmap>();
devices["/dev/nvhost-as-gpu"] = std::make_shared<Devices::nvhost_as_gpu>(nvmap_dev);
devices["/dev/nvhost-gpu"] = std::make_shared<Devices::nvhost_gpu>(nvmap_dev);
devices["/dev/nvhost-ctrl-gpu"] = std::make_shared<Devices::nvhost_ctrl_gpu>();
devices["/dev/nvmap"] = nvmap_dev;
devices["/dev/nvdisp_disp0"] = std::make_shared<Devices::nvdisp_disp0>(nvmap_dev);
devices["/dev/nvhost-ctrl"] = std::make_shared<Devices::nvhost_ctrl>();
devices["/dev/nvhost-ctrl"] = std::make_shared<Devices::nvhost_ctrl>(events_interface);
devices["/dev/nvhost-nvdec"] = std::make_shared<Devices::nvhost_nvdec>();
devices["/dev/nvhost-nvjpg"] = std::make_shared<Devices::nvhost_nvjpg>();
devices["/dev/nvhost-vic"] = std::make_shared<Devices::nvhost_vic>();
@ -77,4 +88,17 @@ ResultCode Module::Close(u32 fd) {
return RESULT_SUCCESS;
}
void Module::SignalEvent(const u32 event_id) {
if (event_id >= 64) {
LOG_ERROR(Service_NVDRV, "Unexpected Event signalled!");
return;
}
events_interface.LiberateEvent(event_id);
events_interface.events[event_id].writable->Signal();
}
Kernel::SharedPtr<Kernel::ReadableEvent> Module::GetEvent(const u32 event_id) {
return events_interface.events[event_id].readable;
}
} // namespace Service::Nvidia