diff --git a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
index ee99ab280..45711d686 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
@@ -17,6 +17,8 @@ u32 nvhost_ctrl::ioctl(Ioctl command, const std::vector<u8>& input, std::vector<
switch (static_cast<IoctlCommand>(command.raw)) {
case IoctlCommand::IocGetConfigCommand:
return NvOsGetConfigU32(input, output);
+ case IoctlCommand::IocCtrlEventWaitCommand:
+ return IocCtrlEventWait(input, output);
}
UNIMPLEMENTED();
return 0;
@@ -45,6 +47,18 @@ u32 nvhost_ctrl::NvOsGetConfigU32(const std::vector<u8>& input, std::vector<u8>&
return 0;
}
+u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>& output) {
+ IocCtrlEventWaitParams params{};
+ std::memcpy(¶ms, input.data(), sizeof(params));
+ LOG_WARNING(Service_NVDRV, "(STUBBED) called, syncpt_id=%u threshold=%u timeout=%d",
+ params.syncpt_id, params.threshold, params.timeout);
+
+ // TODO(Subv): Implement actual syncpt waiting.
+ params.value = 0;
+ std::memcpy(output.data(), ¶ms, sizeof(params));
+ return 0;
+}
+
} // namespace Devices
} // namespace Nvidia
} // namespace Service
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.h b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.h
index fd02a5e45..0ca01aa6d 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.h
+++ b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.h
@@ -31,6 +31,7 @@ private:
IocModuleRegRDWRCommand = 0xC008010E,
IocSyncptWaitexCommand = 0xC0100019,
IocSyncptReadMaxCommand = 0xC008001A,
+ IocCtrlEventWaitCommand = 0xC010001D,
IocGetConfigCommand = 0xC183001B,
};
@@ -41,7 +42,17 @@ private:
};
static_assert(sizeof(IocGetConfigParams) == 387, "IocGetConfigParams is incorrect size");
+ struct IocCtrlEventWaitParams {
+ u32_le syncpt_id;
+ u32_le threshold;
+ s32_le timeout;
+ u32_le value;
+ };
+ static_assert(sizeof(IocCtrlEventWaitParams) == 16, "IocCtrlEventWaitParams is incorrect size");
+
u32 NvOsGetConfigU32(const std::vector<u8>& input, std::vector<u8>& output);
+
+ u32 IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>& output);
};
} // namespace Devices
diff --git a/src/core/hle/service/nvdrv/devices/nvmap.cpp b/src/core/hle/service/nvdrv/devices/nvmap.cpp
index cd8c0c605..b3842eb4c 100644
--- a/src/core/hle/service/nvdrv/devices/nvmap.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvmap.cpp
@@ -103,11 +103,8 @@ u32 nvmap::IocFromId(const std::vector<u8>& input, std::vector<u8>& output) {
[&](const auto& entry) { return entry.second->id == params.id; });
ASSERT(itr != handles.end());
- // Make a new handle for the object
- u32 handle = next_handle++;
- handles[handle] = itr->second;
-
- params.handle = handle;
+ // Return the existing handle instead of creating a new one.
+ params.handle = itr->first;
std::memcpy(output.data(), ¶ms, sizeof(params));
return 0;
diff --git a/src/core/hle/service/nvdrv/nvdrv.h b/src/core/hle/service/nvdrv/nvdrv.h
index e44644624..6a55ff96d 100644
--- a/src/core/hle/service/nvdrv/nvdrv.h
+++ b/src/core/hle/service/nvdrv/nvdrv.h
@@ -17,6 +17,13 @@ namespace Devices {
class nvdevice;
}
+struct IoctlFence {
+ u32 id;
+ u32 value;
+};
+
+static_assert(sizeof(IoctlFence) == 8, "IoctlFence has wrong size");
+
class Module final {
public:
Module();
diff --git a/src/core/hle/service/vi/vi.cpp b/src/core/hle/service/vi/vi.cpp
index ff5005f71..0aa621dfe 100644
--- a/src/core/hle/service/vi/vi.cpp
+++ b/src/core/hle/service/vi/vi.cpp
@@ -8,6 +8,7 @@
#include "common/scope_exit.h"
#include "core/core_timing.h"
#include "core/hle/ipc_helpers.h"
+#include "core/hle/service/nvdrv/nvdrv.h"
#include "core/hle/service/nvflinger/buffer_queue.h"
#include "core/hle/service/vi/vi.h"
#include "core/hle/service/vi/vi_m.h"
@@ -38,6 +39,7 @@ public:
template <typename T>
T Read() {
+ ASSERT(read_index + sizeof(T) <= buffer.size());
T val;
std::memcpy(&val, buffer.data() + read_index, sizeof(T));
read_index += sizeof(T);
@@ -47,6 +49,7 @@ public:
template <typename T>
T ReadUnaligned() {
+ ASSERT(read_index + sizeof(T) <= buffer.size());
T val;
std::memcpy(&val, buffer.data() + read_index, sizeof(T));
read_index += sizeof(T);
@@ -54,6 +57,7 @@ public:
}
std::vector<u8> ReadBlock(size_t length) {
+ ASSERT(read_index + length <= buffer.size());
const u8* const begin = buffer.data() + read_index;
const u8* const end = begin + length;
std::vector<u8> data(begin, end);
@@ -86,7 +90,18 @@ public:
write_index = Common::AlignUp(write_index, 4);
}
+ template <typename T>
+ void WriteObject(const T& val) {
+ u32_le size = static_cast<u32>(sizeof(val));
+ Write(size);
+ // TODO(Subv): Support file descriptors.
+ Write<u32_le>(0); // Fd count.
+ Write(val);
+ }
+
void Deserialize() {
+ ASSERT(buffer.size() > sizeof(Header));
+
Header header{};
std::memcpy(&header, buffer.data(), sizeof(Header));
@@ -262,10 +277,11 @@ public:
Data data;
};
-// TODO(bunnei): Remove this. When set to 1, games will think a fence is valid and boot further.
-// This will break libnx and potentially other apps that more stringently check this. This is here
-// purely as a convenience, and should go away once we implement fences.
-static constexpr u32 FENCE_HACK = 0;
+struct BufferProducerFence {
+ u32 is_valid;
+ std::array<Nvidia::IoctlFence, 4> fences;
+};
+static_assert(sizeof(BufferProducerFence) == 36, "BufferProducerFence has wrong size");
class IGBPDequeueBufferResponseParcel : public Parcel {
public:
@@ -274,20 +290,16 @@ public:
protected:
void SerializeData() override {
- // TODO(bunnei): Find out what this all means. Writing anything non-zero here breaks libnx.
- Write<u32>(0);
- Write<u32>(FENCE_HACK);
- Write<u32>(0);
- Write<u32>(0);
- Write<u32>(0);
- Write<u32>(0);
- Write<u32>(0);
- Write<u32>(0);
- Write<u32>(0);
- Write<u32>(0);
- Write<u32>(0);
- Write<u32>(0);
- Write<u32>(0);
+ // TODO(Subv): Find out how this Fence is used.
+ BufferProducerFence fence = {};
+ fence.is_valid = 1;
+ for (auto& fence_ : fence.fences)
+ fence_.id = -1;
+
+ Write(slot);
+ Write<u32_le>(1);
+ WriteObject(fence);
+ Write<u32_le>(0);
}
u32_le slot;
@@ -316,11 +328,10 @@ public:
protected:
void SerializeData() override {
- // TODO(bunnei): Find out what this all means. Writing anything non-zero here breaks libnx.
- Write<u32_le>(0);
- Write<u32_le>(FENCE_HACK);
- Write<u32_le>(0);
- Write(buffer);
+ // TODO(Subv): Figure out what this value means, writing non-zero here will make libnx try
+ // to read an IGBPBuffer object from the parcel.
+ Write<u32_le>(1);
+ WriteObject(buffer);
Write<u32_le>(0);
}