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-rw-r--r--src/video_core/memory_manager.cpp18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/video_core/memory_manager.cpp b/src/video_core/memory_manager.cpp
index 8ffdcb6276..9fd3ca62e3 100644
--- a/src/video_core/memory_manager.cpp
+++ b/src/video_core/memory_manager.cpp
@@ -22,6 +22,11 @@
#include "video_core/texture_cache/util.h"
namespace Tegra {
+
+bool MemoryManager::IsShuttingDown() const {
+ return system.IsShuttingDown();
+}
+
using Tegra::Memory::GuestMemoryFlags;
std::atomic<size_t> MemoryManager::unique_identifier_generator{};
@@ -56,6 +61,10 @@ MemoryManager::MemoryManager(Core::System& system_, u64 address_space_bits_, GPU
: MemoryManager(system_, system_.Host1x().MemoryManager(), address_space_bits_, split_address_, big_page_bits_, page_bits_)
{}
+void MemoryManager::SetNativeSyncpointShim(GPUVAddr address) {
+ native_syncpoint_shim.store(address, std::memory_order_release);
+}
+
MemoryManager::~MemoryManager() = default;
MemoryManager::EntryType MemoryManager::GetEntry(size_t position, bool is_big_page) const {
@@ -231,6 +240,15 @@ std::optional<DAddr> MemoryManager::GpuToCpuAddress(GPUVAddr addr, std::size_t s
template <typename T>
T MemoryManager::Read(GPUVAddr addr) const {
+ if constexpr (sizeof(T) == sizeof(u32)) {
+ const auto shim = native_syncpoint_shim.load(std::memory_order_acquire);
+ if (shim && addr >= shim && addr - shim < 192 * sizeof(u32) &&
+ Common::IsAligned(addr - shim, sizeof(u32))) {
+ return static_cast<T>(system.Host1x().GetSyncpointManager().GetGuestSyncpointValue(
+ static_cast<u32>((addr - shim) / sizeof(u32))));
+ }
+ }
+
if (auto page_pointer{GetPointer(addr)}; page_pointer) {
// NOTE: Avoid adding any extra logic to this fast-path block
T value;