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-rw-r--r--src/core/core_timing.cpp3
-rw-r--r--src/core/core_timing.h2
-rw-r--r--src/core/hle/service/hle_ipc.cpp32
-rw-r--r--src/core/memory.cpp54
-rw-r--r--src/core/memory.h212
5 files changed, 285 insertions, 18 deletions
diff --git a/src/core/core_timing.cpp b/src/core/core_timing.cpp
index e6112a3c9..b98a0cb33 100644
--- a/src/core/core_timing.cpp
+++ b/src/core/core_timing.cpp
@@ -70,7 +70,7 @@ void CoreTiming::Initialize(std::function<void()>&& on_thread_init_) {
-> std::optional<std::chrono::nanoseconds> { return std::nullopt; };
ev_lost = CreateEvent("_lost_event", empty_timed_callback);
if (is_multicore) {
- timer_thread = std::make_unique<std::thread>(ThreadEntry, std::ref(*this));
+ timer_thread = std::make_unique<std::jthread>(ThreadEntry, std::ref(*this));
}
}
@@ -255,7 +255,6 @@ void CoreTiming::ThreadLoop() {
#ifdef _WIN32
while (!paused && !event.IsSet() && wait_time > 0) {
wait_time = *next_time - GetGlobalTimeNs().count();
-
if (wait_time >= timer_resolution_ns) {
Common::Windows::SleepForOneTick();
} else {
diff --git a/src/core/core_timing.h b/src/core/core_timing.h
index 5bca1c78d..c20e906fb 100644
--- a/src/core/core_timing.h
+++ b/src/core/core_timing.h
@@ -163,7 +163,7 @@ private:
Common::Event pause_event{};
std::mutex basic_lock;
std::mutex advance_lock;
- std::unique_ptr<std::thread> timer_thread;
+ std::unique_ptr<std::jthread> timer_thread;
std::atomic<bool> paused{};
std::atomic<bool> paused_set{};
std::atomic<bool> wait_set{};
diff --git a/src/core/hle/service/hle_ipc.cpp b/src/core/hle/service/hle_ipc.cpp
index 2290df705..f6a1e54f2 100644
--- a/src/core/hle/service/hle_ipc.cpp
+++ b/src/core/hle/service/hle_ipc.cpp
@@ -329,8 +329,22 @@ std::vector<u8> HLERequestContext::ReadBufferCopy(std::size_t buffer_index) cons
}
std::span<const u8> HLERequestContext::ReadBuffer(std::size_t buffer_index) const {
- static thread_local std::array<Common::ScratchBuffer<u8>, 2> read_buffer_a;
- static thread_local std::array<Common::ScratchBuffer<u8>, 2> read_buffer_x;
+ static thread_local std::array read_buffer_a{
+ Core::Memory::CpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::SafeRead>(memory, 0, 0),
+ Core::Memory::CpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::SafeRead>(memory, 0, 0),
+ };
+ static thread_local std::array read_buffer_data_a{
+ Common::ScratchBuffer<u8>(),
+ Common::ScratchBuffer<u8>(),
+ };
+ static thread_local std::array read_buffer_x{
+ Core::Memory::CpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::SafeRead>(memory, 0, 0),
+ Core::Memory::CpuGuestMemory<u8, Core::Memory::GuestMemoryFlags::SafeRead>(memory, 0, 0),
+ };
+ static thread_local std::array read_buffer_data_x{
+ Common::ScratchBuffer<u8>(),
+ Common::ScratchBuffer<u8>(),
+ };
const bool is_buffer_a{BufferDescriptorA().size() > buffer_index &&
BufferDescriptorA()[buffer_index].Size()};
@@ -339,19 +353,17 @@ std::span<const u8> HLERequestContext::ReadBuffer(std::size_t buffer_index) cons
BufferDescriptorA().size() > buffer_index, { return {}; },
"BufferDescriptorA invalid buffer_index {}", buffer_index);
auto& read_buffer = read_buffer_a[buffer_index];
- read_buffer.resize_destructive(BufferDescriptorA()[buffer_index].Size());
- memory.ReadBlock(BufferDescriptorA()[buffer_index].Address(), read_buffer.data(),
- read_buffer.size());
- return read_buffer;
+ return read_buffer.Read(BufferDescriptorA()[buffer_index].Address(),
+ BufferDescriptorA()[buffer_index].Size(),
+ &read_buffer_data_a[buffer_index]);
} else {
ASSERT_OR_EXECUTE_MSG(
BufferDescriptorX().size() > buffer_index, { return {}; },
"BufferDescriptorX invalid buffer_index {}", buffer_index);
auto& read_buffer = read_buffer_x[buffer_index];
- read_buffer.resize_destructive(BufferDescriptorX()[buffer_index].Size());
- memory.ReadBlock(BufferDescriptorX()[buffer_index].Address(), read_buffer.data(),
- read_buffer.size());
- return read_buffer;
+ return read_buffer.Read(BufferDescriptorX()[buffer_index].Address(),
+ BufferDescriptorX()[buffer_index].Size(),
+ &read_buffer_data_x[buffer_index]);
}
}
diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index 257406f09..805963178 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -266,6 +266,22 @@ struct Memory::Impl {
ReadBlockImpl<true>(*system.ApplicationProcess(), src_addr, dest_buffer, size);
}
+ const u8* GetSpan(const VAddr src_addr, const std::size_t size) const {
+ if (current_page_table->blocks[src_addr >> YUZU_PAGEBITS] ==
+ current_page_table->blocks[(src_addr + size) >> YUZU_PAGEBITS]) {
+ return GetPointerSilent(src_addr);
+ }
+ return nullptr;
+ }
+
+ u8* GetSpan(const VAddr src_addr, const std::size_t size) {
+ if (current_page_table->blocks[src_addr >> YUZU_PAGEBITS] ==
+ current_page_table->blocks[(src_addr + size) >> YUZU_PAGEBITS]) {
+ return GetPointerSilent(src_addr);
+ }
+ return nullptr;
+ }
+
template <bool UNSAFE>
void WriteBlockImpl(const Kernel::KProcess& process, const Common::ProcessAddress dest_addr,
const void* src_buffer, const std::size_t size) {
@@ -559,7 +575,7 @@ struct Memory::Impl {
}
}
- const Common::ProcessAddress end = base + size;
+ const auto end = base + size;
ASSERT_MSG(end <= page_table.pointers.size(), "out of range mapping at {:016X}",
base + page_table.pointers.size());
@@ -570,14 +586,18 @@ struct Memory::Impl {
while (base != end) {
page_table.pointers[base].Store(nullptr, type);
page_table.backing_addr[base] = 0;
-
+ page_table.blocks[base] = 0;
base += 1;
}
} else {
+ auto orig_base = base;
while (base != end) {
- page_table.pointers[base].Store(
- system.DeviceMemory().GetPointer<u8>(target) - (base << YUZU_PAGEBITS), type);
- page_table.backing_addr[base] = GetInteger(target) - (base << YUZU_PAGEBITS);
+ auto host_ptr =
+ system.DeviceMemory().GetPointer<u8>(target) - (base << YUZU_PAGEBITS);
+ auto backing = GetInteger(target) - (base << YUZU_PAGEBITS);
+ page_table.pointers[base].Store(host_ptr, type);
+ page_table.backing_addr[base] = backing;
+ page_table.blocks[base] = orig_base << YUZU_PAGEBITS;
ASSERT_MSG(page_table.pointers[base].Pointer(),
"memory mapping base yield a nullptr within the table");
@@ -747,6 +767,14 @@ struct Memory::Impl {
VAddr last_address;
};
+ void InvalidateRegion(Common::ProcessAddress dest_addr, size_t size) {
+ system.GPU().InvalidateRegion(GetInteger(dest_addr), size);
+ }
+
+ void FlushRegion(Common::ProcessAddress dest_addr, size_t size) {
+ system.GPU().FlushRegion(GetInteger(dest_addr), size);
+ }
+
Core::System& system;
Common::PageTable* current_page_table = nullptr;
std::array<VideoCore::RasterizerDownloadArea, Core::Hardware::NUM_CPU_CORES>
@@ -881,6 +909,14 @@ void Memory::ReadBlockUnsafe(const Common::ProcessAddress src_addr, void* dest_b
impl->ReadBlockUnsafe(src_addr, dest_buffer, size);
}
+const u8* Memory::GetSpan(const VAddr src_addr, const std::size_t size) const {
+ return impl->GetSpan(src_addr, size);
+}
+
+u8* Memory::GetSpan(const VAddr src_addr, const std::size_t size) {
+ return impl->GetSpan(src_addr, size);
+}
+
void Memory::WriteBlock(const Common::ProcessAddress dest_addr, const void* src_buffer,
const std::size_t size) {
impl->WriteBlock(dest_addr, src_buffer, size);
@@ -924,4 +960,12 @@ void Memory::MarkRegionDebug(Common::ProcessAddress vaddr, u64 size, bool debug)
impl->MarkRegionDebug(GetInteger(vaddr), size, debug);
}
+void Memory::InvalidateRegion(Common::ProcessAddress dest_addr, size_t size) {
+ impl->InvalidateRegion(dest_addr, size);
+}
+
+void Memory::FlushRegion(Common::ProcessAddress dest_addr, size_t size) {
+ impl->FlushRegion(dest_addr, size);
+}
+
} // namespace Core::Memory
diff --git a/src/core/memory.h b/src/core/memory.h
index ea01824f8..ea33c769c 100644
--- a/src/core/memory.h
+++ b/src/core/memory.h
@@ -5,8 +5,12 @@
#include <cstddef>
#include <memory>
+#include <optional>
#include <span>
#include <string>
+#include <vector>
+
+#include "common/scratch_buffer.h"
#include "common/typed_address.h"
#include "core/hle/result.h"
@@ -24,6 +28,10 @@ class PhysicalMemory;
class KProcess;
} // namespace Kernel
+namespace Tegra {
+class MemoryManager;
+}
+
namespace Core::Memory {
/**
@@ -343,6 +351,9 @@ public:
*/
void ReadBlockUnsafe(Common::ProcessAddress src_addr, void* dest_buffer, std::size_t size);
+ const u8* GetSpan(const VAddr src_addr, const std::size_t size) const;
+ u8* GetSpan(const VAddr src_addr, const std::size_t size);
+
/**
* Writes a range of bytes into the current process' address space at the specified
* virtual address.
@@ -461,6 +472,8 @@ public:
void MarkRegionDebug(Common::ProcessAddress vaddr, u64 size, bool debug);
void SetGPUDirtyManagers(std::span<Core::GPUDirtyMemoryManager> managers);
+ void InvalidateRegion(Common::ProcessAddress dest_addr, size_t size);
+ void FlushRegion(Common::ProcessAddress dest_addr, size_t size);
private:
Core::System& system;
@@ -469,4 +482,203 @@ private:
std::unique_ptr<Impl> impl;
};
+enum GuestMemoryFlags : u32 {
+ Read = 1 << 0,
+ Write = 1 << 1,
+ Safe = 1 << 2,
+ Cached = 1 << 3,
+
+ SafeRead = Read | Safe,
+ SafeWrite = Write | Safe,
+ SafeReadWrite = SafeRead | SafeWrite,
+ SafeReadCachedWrite = SafeReadWrite | Cached,
+
+ UnsafeRead = Read,
+ UnsafeWrite = Write,
+ UnsafeReadWrite = UnsafeRead | UnsafeWrite,
+ UnsafeReadCachedWrite = UnsafeReadWrite | Cached,
+};
+
+namespace {
+template <typename M, typename T, GuestMemoryFlags FLAGS>
+class GuestMemory {
+ using iterator = T*;
+ using const_iterator = const T*;
+ using value_type = T;
+ using element_type = T;
+ using iterator_category = std::contiguous_iterator_tag;
+
+public:
+ GuestMemory() = delete;
+ explicit GuestMemory(M& memory_, u64 addr_, std::size_t size_,
+ Common::ScratchBuffer<T>* backup = nullptr)
+ : memory{memory_}, addr{addr_}, size{size_} {
+ static_assert(FLAGS & GuestMemoryFlags::Read || FLAGS & GuestMemoryFlags::Write);
+ if constexpr (FLAGS & GuestMemoryFlags::Read) {
+ Read(addr, size, backup);
+ }
+ }
+
+ ~GuestMemory() = default;
+
+ T* data() noexcept {
+ return data_span.data();
+ }
+
+ const T* data() const noexcept {
+ return data_span.data();
+ }
+
+ [[nodiscard]] T* begin() noexcept {
+ return data();
+ }
+
+ [[nodiscard]] const T* begin() const noexcept {
+ return data();
+ }
+
+ [[nodiscard]] T* end() noexcept {
+ return data() + size;
+ }
+
+ [[nodiscard]] const T* end() const noexcept {
+ return data() + size;
+ }
+
+ T& operator[](size_t index) noexcept {
+ return data_span[index];
+ }
+
+ const T& operator[](size_t index) const noexcept {
+ return data_span[index];
+ }
+
+ void SetAddressAndSize(u64 addr_, std::size_t size_) noexcept {
+ addr = addr_;
+ size = size_;
+ addr_changed = true;
+ }
+
+ std::span<T> Read(u64 addr_, std::size_t size_,
+ Common::ScratchBuffer<T>* backup = nullptr) noexcept {
+ addr = addr_;
+ size = size_;
+ if (size == 0) {
+ is_data_copy = true;
+ return {};
+ }
+
+ if (TrySetSpan()) {
+ if constexpr (FLAGS & GuestMemoryFlags::Safe) {
+ memory.FlushRegion(addr, size * sizeof(T));
+ }
+ } else {
+ if (backup) {
+ backup->resize_destructive(size);
+ data_span = *backup;
+ } else {
+ data_copy.resize(size);
+ data_span = std::span(data_copy);
+ }
+ is_data_copy = true;
+ span_valid = true;
+ if constexpr (FLAGS & GuestMemoryFlags::Safe) {
+ memory.ReadBlock(addr, data_span.data(), size * sizeof(T));
+ } else {
+ memory.ReadBlockUnsafe(addr, data_span.data(), size * sizeof(T));
+ }
+ }
+ return data_span;
+ }
+
+ void Write(std::span<T> write_data) noexcept {
+ if constexpr (FLAGS & GuestMemoryFlags::Cached) {
+ memory.WriteBlockCached(addr, write_data.data(), size * sizeof(T));
+ } else if constexpr (FLAGS & GuestMemoryFlags::Safe) {
+ memory.WriteBlock(addr, write_data.data(), size * sizeof(T));
+ } else {
+ memory.WriteBlockUnsafe(addr, write_data.data(), size * sizeof(T));
+ }
+ }
+
+ bool TrySetSpan() noexcept {
+ if (u8* ptr = memory.GetSpan(addr, size * sizeof(T)); ptr) {
+ data_span = {reinterpret_cast<T*>(ptr), size};
+ span_valid = true;
+ return true;
+ }
+ return false;
+ }
+
+protected:
+ bool IsDataCopy() const noexcept {
+ return is_data_copy;
+ }
+
+ bool AddressChanged() const noexcept {
+ return addr_changed;
+ }
+
+ M& memory;
+ u64 addr;
+ size_t size;
+ std::span<T> data_span{};
+ std::vector<T> data_copy;
+ bool span_valid{false};
+ bool is_data_copy{false};
+ bool addr_changed{false};
+};
+
+template <typename M, typename T, GuestMemoryFlags FLAGS>
+class GuestMemoryScoped : public GuestMemory<M, T, FLAGS> {
+public:
+ GuestMemoryScoped() = delete;
+ explicit GuestMemoryScoped(M& memory_, u64 addr_, std::size_t size_,
+ Common::ScratchBuffer<T>* backup = nullptr)
+ : GuestMemory<M, T, FLAGS>(memory_, addr_, size_, backup) {
+ if constexpr (!(FLAGS & GuestMemoryFlags::Read)) {
+ if (!this->TrySetSpan()) {
+ if (backup) {
+ this->data_span = *backup;
+ this->span_valid = true;
+ this->is_data_copy = true;
+ }
+ }
+ }
+ }
+
+ ~GuestMemoryScoped() {
+ if constexpr (FLAGS & GuestMemoryFlags::Write) {
+ if (this->size == 0) [[unlikely]] {
+ return;
+ }
+
+ if (this->AddressChanged() || this->IsDataCopy()) {
+ ASSERT(this->span_valid);
+ if constexpr (FLAGS & GuestMemoryFlags::Cached) {
+ this->memory.WriteBlockCached(this->addr, this->data_span.data(),
+ this->size * sizeof(T));
+ } else if constexpr (FLAGS & GuestMemoryFlags::Safe) {
+ this->memory.WriteBlock(this->addr, this->data_span.data(),
+ this->size * sizeof(T));
+ } else {
+ this->memory.WriteBlockUnsafe(this->addr, this->data_span.data(),
+ this->size * sizeof(T));
+ }
+ } else if constexpr (FLAGS & GuestMemoryFlags::Safe) {
+ this->memory.InvalidateRegion(this->addr, this->size * sizeof(T));
+ }
+ }
+ }
+};
+} // namespace
+
+template <typename T, GuestMemoryFlags FLAGS>
+using CpuGuestMemory = GuestMemory<Memory, T, FLAGS>;
+template <typename T, GuestMemoryFlags FLAGS>
+using CpuGuestMemoryScoped = GuestMemoryScoped<Memory, T, FLAGS>;
+template <typename T, GuestMemoryFlags FLAGS>
+using GpuGuestMemory = GuestMemory<Tegra::MemoryManager, T, FLAGS>;
+template <typename T, GuestMemoryFlags FLAGS>
+using GpuGuestMemoryScoped = GuestMemoryScoped<Tegra::MemoryManager, T, FLAGS>;
} // namespace Core::Memory
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