From d567b7e841558a367e37d64b032b3492ed4d5cf4 Mon Sep 17 00:00:00 2001 From: bunnei Date: Mon, 26 Oct 2020 21:45:08 -0700 Subject: hle: service: nvdrv: Implement SyncpointManager, to manage syncpoints. --- src/core/hle/service/nvdrv/syncpoint_manager.h | 85 ++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 src/core/hle/service/nvdrv/syncpoint_manager.h (limited to 'src/core/hle/service/nvdrv/syncpoint_manager.h') diff --git a/src/core/hle/service/nvdrv/syncpoint_manager.h b/src/core/hle/service/nvdrv/syncpoint_manager.h new file mode 100644 index 000000000..4168b6c7e --- /dev/null +++ b/src/core/hle/service/nvdrv/syncpoint_manager.h @@ -0,0 +1,85 @@ +// Copyright 2020 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include +#include + +#include "common/common_types.h" +#include "core/hle/service/nvdrv/nvdata.h" + +namespace Tegra { +class GPU; +} + +namespace Service::Nvidia { + +class SyncpointManager final { +public: + explicit SyncpointManager(Tegra::GPU& gpu); + ~SyncpointManager(); + + /** + * Returns true if the specified syncpoint is expired for the given value. + * @param syncpoint_id Syncpoint ID to check. + * @param value Value to check against the specified syncpoint. + * @returns True if the specified syncpoint is expired for the given value, otherwise False. + */ + bool IsSyncpointExpired(u32 syncpoint_id, u32 value) const { + return (GetSyncpointMax(syncpoint_id) - value) >= (GetSyncpointMin(syncpoint_id) - value); + } + + /** + * Gets the lower bound for the specified syncpoint. + * @param syncpoint_id Syncpoint ID to get the lower bound for. + * @returns The lower bound for the specified syncpoint. + */ + u32 GetSyncpointMin(u32 syncpoint_id) const { + return syncpoints[syncpoint_id].min.load(std::memory_order_relaxed); + } + + /** + * Gets the uper bound for the specified syncpoint. + * @param syncpoint_id Syncpoint ID to get the upper bound for. + * @returns The upper bound for the specified syncpoint. + */ + u32 GetSyncpointMax(u32 syncpoint_id) const { + return syncpoints[syncpoint_id].max.load(std::memory_order_relaxed); + } + + /** + * Refreshes the minimum value for the specified syncpoint. + * @param syncpoint_id Syncpoint ID to be refreshed. + * @returns The new syncpoint minimum value. + */ + u32 RefreshSyncpoint(u32 syncpoint_id); + + /** + * Allocates a new syncoint. + * @returns The syncpoint ID for the newly allocated syncpoint. + */ + u32 AllocateSyncpoint(); + + /** + * Increases the maximum value for the specified syncpoint. + * @param syncpoint_id Syncpoint ID to be increased. + * @param value Value to increase the specified syncpoint by. + * @returns The new syncpoint maximum value. + */ + u32 IncreaseSyncpoint(u32 syncpoint_id, u32 value); + +private: + struct Syncpoint { + std::atomic min; + std::atomic max; + std::atomic is_allocated; + }; + + std::array syncpoints{}; + + Tegra::GPU& gpu; +}; + +} // namespace Service::Nvidia -- cgit v1.2.3 From e8b2fd21d861997e558180d775b14afdc46f3bbd Mon Sep 17 00:00:00 2001 From: comex Date: Sun, 22 Nov 2020 15:48:23 -0500 Subject: nvdrv, video_core: Don't index out of bounds when given invalid syncpoint ID - Use .at() instead of raw indexing when dealing with untrusted indices. - For the special case of WaitFence with syncpoint id UINT32_MAX, instead of crashing, log an error and ignore. This is what I get when running Super Mario Maker 2. --- src/core/hle/service/nvdrv/syncpoint_manager.h | 4 ++-- src/video_core/gpu.cpp | 29 ++++++++++++++++---------- 2 files changed, 20 insertions(+), 13 deletions(-) (limited to 'src/core/hle/service/nvdrv/syncpoint_manager.h') diff --git a/src/core/hle/service/nvdrv/syncpoint_manager.h b/src/core/hle/service/nvdrv/syncpoint_manager.h index 4168b6c7e..d395c5d0b 100644 --- a/src/core/hle/service/nvdrv/syncpoint_manager.h +++ b/src/core/hle/service/nvdrv/syncpoint_manager.h @@ -37,7 +37,7 @@ public: * @returns The lower bound for the specified syncpoint. */ u32 GetSyncpointMin(u32 syncpoint_id) const { - return syncpoints[syncpoint_id].min.load(std::memory_order_relaxed); + return syncpoints.at(syncpoint_id).min.load(std::memory_order_relaxed); } /** @@ -46,7 +46,7 @@ public: * @returns The upper bound for the specified syncpoint. */ u32 GetSyncpointMax(u32 syncpoint_id) const { - return syncpoints[syncpoint_id].max.load(std::memory_order_relaxed); + return syncpoints.at(syncpoint_id).max.load(std::memory_order_relaxed); } /** diff --git a/src/video_core/gpu.cpp b/src/video_core/gpu.cpp index ebd149c3a..e91f52938 100644 --- a/src/video_core/gpu.cpp +++ b/src/video_core/gpu.cpp @@ -95,22 +95,29 @@ void GPU::WaitFence(u32 syncpoint_id, u32 value) { if (!is_async) { return; } + if (syncpoint_id == UINT32_MAX) { + // TODO: Research what this does. + LOG_ERROR(HW_GPU, "Waiting for syncpoint -1 not implemented"); + return; + } MICROPROFILE_SCOPE(GPU_wait); std::unique_lock lock{sync_mutex}; - sync_cv.wait(lock, [=, this] { return syncpoints[syncpoint_id].load() >= value; }); + sync_cv.wait(lock, [=, this] { return syncpoints.at(syncpoint_id).load() >= value; }); } void GPU::IncrementSyncPoint(const u32 syncpoint_id) { - syncpoints[syncpoint_id]++; + auto& syncpoint = syncpoints.at(syncpoint_id); + syncpoint++; std::lock_guard lock{sync_mutex}; sync_cv.notify_all(); - if (!syncpt_interrupts[syncpoint_id].empty()) { - u32 value = syncpoints[syncpoint_id].load(); - auto it = syncpt_interrupts[syncpoint_id].begin(); - while (it != syncpt_interrupts[syncpoint_id].end()) { + auto& interrupt = syncpt_interrupts.at(syncpoint_id); + if (!interrupt.empty()) { + u32 value = syncpoint.load(); + auto it = interrupt.begin(); + while (it != interrupt.end()) { if (value >= *it) { TriggerCpuInterrupt(syncpoint_id, *it); - it = syncpt_interrupts[syncpoint_id].erase(it); + it = interrupt.erase(it); continue; } it++; @@ -119,22 +126,22 @@ void GPU::IncrementSyncPoint(const u32 syncpoint_id) { } u32 GPU::GetSyncpointValue(const u32 syncpoint_id) const { - return syncpoints[syncpoint_id].load(); + return syncpoints.at(syncpoint_id).load(); } void GPU::RegisterSyncptInterrupt(const u32 syncpoint_id, const u32 value) { - auto& interrupt = syncpt_interrupts[syncpoint_id]; + auto& interrupt = syncpt_interrupts.at(syncpoint_id); bool contains = std::any_of(interrupt.begin(), interrupt.end(), [value](u32 in_value) { return in_value == value; }); if (contains) { return; } - syncpt_interrupts[syncpoint_id].emplace_back(value); + interrupt.emplace_back(value); } bool GPU::CancelSyncptInterrupt(const u32 syncpoint_id, const u32 value) { std::lock_guard lock{sync_mutex}; - auto& interrupt = syncpt_interrupts[syncpoint_id]; + auto& interrupt = syncpt_interrupts.at(syncpoint_id); const auto iter = std::find_if(interrupt.begin(), interrupt.end(), [value](u32 interrupt_value) { return value == interrupt_value; }); -- cgit v1.2.3