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-rw-r--r--src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp91
-rw-r--r--src/core/hle/service/nvdrv/devices/nvhost_ctrl.h7
-rw-r--r--src/core/hle/service/nvdrv/interface.cpp17
-rw-r--r--src/core/hle/service/nvdrv/interface.h2
-rw-r--r--src/core/hle/service/nvdrv/nvdata.h14
-rw-r--r--src/core/hle/service/nvdrv/nvdrv.cpp26
-rw-r--r--src/core/hle/service/nvdrv/nvdrv.h52
7 files changed, 192 insertions, 17 deletions
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
index b39fb9ef9..ef6731a8f 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
@@ -7,11 +7,15 @@
#include "common/assert.h"
#include "common/logging/log.h"
+#include "core/core.h"
+#include "core/hle/kernel/readable_event.h"
+#include "core/hle/kernel/writable_event.h"
#include "core/hle/service/nvdrv/devices/nvhost_ctrl.h"
+#include "video_core/gpu.h"
namespace Service::Nvidia::Devices {
-nvhost_ctrl::nvhost_ctrl() = default;
+nvhost_ctrl::nvhost_ctrl(EventsInterface& events_interface) : events_interface{events_interface} {}
nvhost_ctrl::~nvhost_ctrl() = default;
u32 nvhost_ctrl::ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) {
@@ -27,6 +31,8 @@ u32 nvhost_ctrl::ioctl(Ioctl command, const std::vector<u8>& input, std::vector<
return IocCtrlEventWait(input, output, true);
case IoctlCommand::IocCtrlEventRegisterCommand:
return IocCtrlEventRegister(input, output);
+ case IoctlCommand::IocCtrlEventUnregisterCommand:
+ return IocCtrlEventUnregister(input, output);
}
UNIMPLEMENTED_MSG("Unimplemented ioctl");
return 0;
@@ -44,20 +50,85 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
bool is_async) {
IocCtrlEventWaitParams params{};
std::memcpy(&params, input.data(), sizeof(params));
- LOG_WARNING(Service_NVDRV,
- "(STUBBED) called, syncpt_id={}, threshold={}, timeout={}, is_async={}",
- params.syncpt_id, params.threshold, params.timeout, is_async);
+ LOG_DEBUG(Service_NVDRV, "syncpt_id={}, threshold={}, timeout={}, is_async={}",
+ params.syncpt_id, params.threshold, params.timeout, is_async);
- // TODO(Subv): Implement actual syncpt waiting.
- params.value = 0;
+ if (params.syncpt_id >= MaxSyncPoints) {
+ return NvResult::BadParameter;
+ }
+
+ auto& gpu = Core::System::GetInstance().GPU();
+ u32 current_syncpoint_value = gpu.GetSyncpointValue(params.syncpt_id);
+ if (current_syncpoint_value >= params.threshold) {
+ params.value = current_syncpoint_value;
+ std::memcpy(output.data(), &params, sizeof(params));
+ return NvResult::Success;
+ }
+
+ if (!is_async) {
+ params.value = 0;
+ }
+
+ if (params.timeout == 0) {
+ std::memcpy(output.data(), &params, sizeof(params));
+ return NvResult::Timeout;
+ }
+
+ u32 event_index;
+ if (is_async) {
+ event_index = params.value;
+ if (event_index >= 64) {
+ std::memcpy(output.data(), &params, sizeof(params));
+ return NvResult::BadParameter;
+ }
+ } else {
+ event_index = events_interface.GetFreeEvent();
+ }
+
+ EventState status = events_interface.status[event_index];
+ if (event_index < MaxNvEvents || status == EventState::Free ||
+ status == EventState::Registered) {
+ events_interface.SetEventStatus(event_index, EventState::Waiting);
+ events_interface.assigned_syncpt[event_index] = params.syncpt_id;
+ events_interface.assigned_value[event_index] = params.threshold;
+ if (is_async) {
+ params.value = params.syncpt_id << 4;
+ } else {
+ params.value = ((params.syncpt_id & 0xfff) << 16) | 0x10000000;
+ }
+ params.value |= event_index;
+ gpu.RegisterEvent(event_index, params.syncpt_id, params.threshold);
+ std::memcpy(output.data(), &params, sizeof(params));
+ return NvResult::Timeout;
+ }
std::memcpy(output.data(), &params, sizeof(params));
- return 0;
+ return NvResult::BadParameter;
}
u32 nvhost_ctrl::IocCtrlEventRegister(const std::vector<u8>& input, std::vector<u8>& output) {
- LOG_WARNING(Service_NVDRV, "(STUBBED) called");
- // TODO(bunnei): Implement this.
- return 0;
+ IocCtrlEventRegisterParams params{};
+ std::memcpy(&params, input.data(), sizeof(params));
+ if (params.user_event_id >= MaxNvEvents) {
+ return NvResult::BadParameter;
+ }
+ if (events_interface.registered[params.user_event_id]) {
+ return NvResult::BadParameter;
+ }
+ events_interface.RegisterEvent(params.user_event_id);
+ return NvResult::Success;
+}
+
+u32 nvhost_ctrl::IocCtrlEventUnregister(const std::vector<u8>& input, std::vector<u8>& output) {
+ IocCtrlEventUnregisterParams params{};
+ std::memcpy(&params, input.data(), sizeof(params));
+ if (params.user_event_id >= MaxNvEvents) {
+ return NvResult::BadParameter;
+ }
+ if (!events_interface.registered[params.user_event_id]) {
+ return NvResult::BadParameter;
+ }
+ events_interface.UnregisterEvent(params.user_event_id);
+ return NvResult::Success;
}
} // namespace Service::Nvidia::Devices
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.h b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.h
index 6d0de2212..2985e7f75 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.h
+++ b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.h
@@ -8,12 +8,13 @@
#include <vector>
#include "common/common_types.h"
#include "core/hle/service/nvdrv/devices/nvdevice.h"
+#include "core/hle/service/nvdrv/nvdrv.h"
namespace Service::Nvidia::Devices {
class nvhost_ctrl final : public nvdevice {
public:
- nvhost_ctrl();
+ nvhost_ctrl(EventsInterface& events_interface);
~nvhost_ctrl() override;
u32 ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) override;
@@ -135,6 +136,10 @@ private:
u32 IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>& output, bool is_async);
u32 IocCtrlEventRegister(const std::vector<u8>& input, std::vector<u8>& output);
+
+ u32 IocCtrlEventUnregister(const std::vector<u8>& input, std::vector<u8>& output);
+
+ EventsInterface& events_interface;
};
} // namespace Service::Nvidia::Devices
diff --git a/src/core/hle/service/nvdrv/interface.cpp b/src/core/hle/service/nvdrv/interface.cpp
index b60fc748b..76482d16e 100644
--- a/src/core/hle/service/nvdrv/interface.cpp
+++ b/src/core/hle/service/nvdrv/interface.cpp
@@ -10,10 +10,15 @@
#include "core/hle/kernel/readable_event.h"
#include "core/hle/kernel/writable_event.h"
#include "core/hle/service/nvdrv/interface.h"
+#include "core/hle/service/nvdrv/nvdata.h"
#include "core/hle/service/nvdrv/nvdrv.h"
namespace Service::Nvidia {
+void NVDRV::SignalGPUInterrupt(const u32 event_id) {
+ nvdrv->SignalEvent(event_id);
+}
+
void NVDRV::Open(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NVDRV, "called");
@@ -66,13 +71,19 @@ void NVDRV::Initialize(Kernel::HLERequestContext& ctx) {
void NVDRV::QueryEvent(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
u32 fd = rp.Pop<u32>();
- u32 event_id = rp.Pop<u32>();
+ // TODO(Blinkhawk): Figure the meaning of the flag at bit 16
+ u32 event_id = rp.Pop<u32>() & 0x000000FF;
LOG_WARNING(Service_NVDRV, "(STUBBED) called, fd={:X}, event_id={:X}", fd, event_id);
IPC::ResponseBuilder rb{ctx, 3, 1};
rb.Push(RESULT_SUCCESS);
- rb.PushCopyObjects(query_event.readable);
- rb.Push<u32>(0);
+ if (event_id < 64) {
+ rb.PushCopyObjects(nvdrv->GetEvent(event_id));
+ rb.Push<u32>(NvResult::Success);
+ } else {
+ rb.Push<u32>(0);
+ rb.Push<u32>(NvResult::BadParameter);
+ }
}
void NVDRV::SetClientPID(Kernel::HLERequestContext& ctx) {
diff --git a/src/core/hle/service/nvdrv/interface.h b/src/core/hle/service/nvdrv/interface.h
index 5b4889910..421b01017 100644
--- a/src/core/hle/service/nvdrv/interface.h
+++ b/src/core/hle/service/nvdrv/interface.h
@@ -19,6 +19,8 @@ public:
NVDRV(std::shared_ptr<Module> nvdrv, const char* name);
~NVDRV() override;
+ void SignalGPUInterrupt(const u32 event_id);
+
private:
void Open(Kernel::HLERequestContext& ctx);
void Ioctl(Kernel::HLERequestContext& ctx);
diff --git a/src/core/hle/service/nvdrv/nvdata.h b/src/core/hle/service/nvdrv/nvdata.h
index fd5f79f36..6dbc90e4c 100644
--- a/src/core/hle/service/nvdrv/nvdata.h
+++ b/src/core/hle/service/nvdrv/nvdata.h
@@ -6,6 +6,7 @@
namespace Service::Nvidia {
constexpr u32 MaxSyncPoints = 192;
+constexpr u32 MaxNvEvents = 64;
struct Fence {
s32 id;
@@ -19,9 +20,18 @@ struct MultiFence {
std::array<Fence, 4> fences;
};
-enum class NvResult : u32 {
+enum NvResult : u32 {
Success = 0,
- TryAgain = 11,
+ BadParameter = 4,
+ Timeout = 5,
+ ResourceError = 15,
+};
+
+enum class EventState {
+ Free = 0,
+ Registered = 1,
+ Waiting = 2,
+ Busy = 3,
};
} // namespace Service::Nvidia
diff --git a/src/core/hle/service/nvdrv/nvdrv.cpp b/src/core/hle/service/nvdrv/nvdrv.cpp
index 6e4b8f2c6..618bcbc7c 100644
--- a/src/core/hle/service/nvdrv/nvdrv.cpp
+++ b/src/core/hle/service/nvdrv/nvdrv.cpp
@@ -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
diff --git a/src/core/hle/service/nvdrv/nvdrv.h b/src/core/hle/service/nvdrv/nvdrv.h
index bacd7cdb7..9a4cdc60f 100644
--- a/src/core/hle/service/nvdrv/nvdrv.h
+++ b/src/core/hle/service/nvdrv/nvdrv.h
@@ -15,12 +15,58 @@ namespace Service::NVFlinger {
class NVFlinger;
}
+namespace Kernel {
+class WritableEvent;
+}
+
namespace Service::Nvidia {
namespace Devices {
class nvdevice;
}
+struct EventsInterface {
+ u64 events_mask;
+ std::array<Kernel::EventPair, MaxNvEvents> events;
+ std::array<EventState, MaxNvEvents> status;
+ std::array<bool, MaxNvEvents> registered;
+ std::array<u32, MaxNvEvents> assigned_syncpt;
+ std::array<u32, MaxNvEvents> assigned_value;
+ u32 GetFreeEvent() {
+ u64 mask = events_mask;
+ for (u32 i = 0; i < MaxNvEvents; i++) {
+ if (mask & 0x1) {
+ if (status[i] == EventState::Registered || status[i] == EventState::Free) {
+ return i;
+ }
+ }
+ mask = mask >> 1;
+ }
+ return 0xFFFFFFFF;
+ }
+ void SetEventStatus(const u32 event_id, EventState new_status) {
+ status[event_id] = new_status;
+ if (new_status == EventState::Registered) {
+ registered[event_id] = true;
+ }
+ }
+ void RegisterEvent(const u32 event_id) {
+ registered[event_id] = true;
+ if (status[event_id] == EventState::Free) {
+ status[event_id] = EventState::Registered;
+ }
+ }
+ void UnregisterEvent(const u32 event_id) {
+ registered[event_id] = false;
+ if (status[event_id] == EventState::Registered) {
+ status[event_id] = EventState::Free;
+ }
+ }
+ void LiberateEvent(const u32 event_id) {
+ status[event_id] = registered[event_id] ? EventState::Registered : EventState::Free;
+ }
+};
+
class Module final {
public:
Module();
@@ -42,6 +88,10 @@ public:
/// Closes a device file descriptor and returns operation success.
ResultCode Close(u32 fd);
+ void SignalEvent(const u32 event_id);
+
+ Kernel::SharedPtr<Kernel::ReadableEvent> GetEvent(const u32 event_id);
+
private:
/// Id to use for the next open file descriptor.
u32 next_fd = 1;
@@ -51,6 +101,8 @@ private:
/// Mapping of device node names to their implementation.
std::unordered_map<std::string, std::shared_ptr<Devices::nvdevice>> devices;
+
+ EventsInterface events_interface;
};
/// Registers all NVDRV services with the specified service manager.
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-28 04:21:11 +0000