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-rw-r--r--src/core/file_sys/patch_manager.cpp6
-rw-r--r--src/core/file_sys/romfs.cpp3
-rw-r--r--src/core/frontend/emu_window.h41
-rw-r--r--src/core/hle/kernel/kernel.cpp2
-rw-r--r--src/core/hle/service/friend/friend.cpp11
-rw-r--r--src/core/hle/service/nvflinger/buffer_queue.cpp48
-rw-r--r--src/core/hle/service/nvflinger/buffer_queue.h2
-rw-r--r--src/core/hle/service/vi/vi.cpp46
-rw-r--r--src/core/memory.cpp127
-rw-r--r--src/core/memory.h78
10 files changed, 331 insertions, 33 deletions
diff --git a/src/core/file_sys/patch_manager.cpp b/src/core/file_sys/patch_manager.cpp
index e226e9711..e77e82b8d 100644
--- a/src/core/file_sys/patch_manager.cpp
+++ b/src/core/file_sys/patch_manager.cpp
@@ -348,6 +348,12 @@ static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType t
if (ext_dir != nullptr)
layers_ext.push_back(std::move(ext_dir));
}
+
+ // When there are no layers to apply, return early as there is no need to rebuild the RomFS
+ if (layers.empty() && layers_ext.empty()) {
+ return;
+ }
+
layers.push_back(std::move(extracted));
auto layered = LayeredVfsDirectory::MakeLayeredDirectory(std::move(layers));
diff --git a/src/core/file_sys/romfs.cpp b/src/core/file_sys/romfs.cpp
index c909d1ce4..120032134 100644
--- a/src/core/file_sys/romfs.cpp
+++ b/src/core/file_sys/romfs.cpp
@@ -5,6 +5,7 @@
#include <memory>
#include "common/common_types.h"
+#include "common/string_util.h"
#include "common/swap.h"
#include "core/file_sys/fsmitm_romfsbuild.h"
#include "core/file_sys/romfs.h"
@@ -126,7 +127,7 @@ VirtualDir ExtractRomFS(VirtualFile file, RomFSExtractionType type) {
return out->GetSubdirectories().front();
while (out->GetSubdirectories().size() == 1 && out->GetFiles().empty()) {
- if (out->GetSubdirectories().front()->GetName() == "data" &&
+ if (Common::ToLower(out->GetSubdirectories().front()->GetName()) == "data" &&
type == RomFSExtractionType::Truncated)
break;
out = out->GetSubdirectories().front();
diff --git a/src/core/frontend/emu_window.h b/src/core/frontend/emu_window.h
index 72294d4d8..13aa14934 100644
--- a/src/core/frontend/emu_window.h
+++ b/src/core/frontend/emu_window.h
@@ -12,6 +12,15 @@
namespace Core::Frontend {
+/// Information for the Graphics Backends signifying what type of screen pointer is in
+/// WindowInformation
+enum class WindowSystemType {
+ Headless,
+ Windows,
+ X11,
+ Wayland,
+};
+
/**
* Represents a drawing context that supports graphics operations.
*/
@@ -76,6 +85,23 @@ public:
std::pair<unsigned, unsigned> min_client_area_size;
};
+ /// Data describing host window system information
+ struct WindowSystemInfo {
+ // Window system type. Determines which GL context or Vulkan WSI is used.
+ WindowSystemType type = WindowSystemType::Headless;
+
+ // Connection to a display server. This is used on X11 and Wayland platforms.
+ void* display_connection = nullptr;
+
+ // Render surface. This is a pointer to the native window handle, which depends
+ // on the platform. e.g. HWND for Windows, Window for X11. If the surface is
+ // set to nullptr, the video backend will run in headless mode.
+ void* render_surface = nullptr;
+
+ // Scale of the render surface. For hidpi systems, this will be >1.
+ float render_surface_scale = 1.0f;
+ };
+
/// Polls window events
virtual void PollEvents() = 0;
@@ -87,10 +113,6 @@ public:
/// Returns if window is shown (not minimized)
virtual bool IsShown() const = 0;
- /// Retrieves Vulkan specific handlers from the window
- virtual void RetrieveVulkanHandlers(void* get_instance_proc_addr, void* instance,
- void* surface) const = 0;
-
/**
* Signal that a touch pressed event has occurred (e.g. mouse click pressed)
* @param framebuffer_x Framebuffer x-coordinate that was pressed
@@ -128,6 +150,13 @@ public:
}
/**
+ * Returns system information about the drawing area.
+ */
+ const WindowSystemInfo& GetWindowInfo() const {
+ return window_info;
+ }
+
+ /**
* Gets the framebuffer layout (width, height, and screen regions)
* @note This method is thread-safe
*/
@@ -142,7 +171,7 @@ public:
void UpdateCurrentFramebufferLayout(unsigned width, unsigned height);
protected:
- EmuWindow();
+ explicit EmuWindow();
virtual ~EmuWindow();
/**
@@ -179,6 +208,8 @@ protected:
client_area_height = size.second;
}
+ WindowSystemInfo window_info;
+
private:
/**
* Handler called when the minimal client area was requested to be changed via SetConfig.
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index e47f1deed..014d647cf 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -103,7 +103,7 @@ static void ThreadWakeupCallback(u64 thread_handle, [[maybe_unused]] s64 cycles_
struct KernelCore::Impl {
explicit Impl(Core::System& system, KernelCore& kernel)
- : system{system}, global_scheduler{kernel}, synchronization{system}, time_manager{system} {}
+ : global_scheduler{kernel}, synchronization{system}, time_manager{system}, system{system} {}
void Initialize(KernelCore& kernel) {
Shutdown();
diff --git a/src/core/hle/service/friend/friend.cpp b/src/core/hle/service/friend/friend.cpp
index 6aadb3ea8..7938b4b80 100644
--- a/src/core/hle/service/friend/friend.cpp
+++ b/src/core/hle/service/friend/friend.cpp
@@ -27,7 +27,7 @@ public:
{10110, nullptr, "GetFriendProfileImage"},
{10200, nullptr, "SendFriendRequestForApplication"},
{10211, nullptr, "AddFacedFriendRequestForApplication"},
- {10400, nullptr, "GetBlockedUserListIds"},
+ {10400, &IFriendService::GetBlockedUserListIds, "GetBlockedUserListIds"},
{10500, nullptr, "GetProfileList"},
{10600, nullptr, "DeclareOpenOnlinePlaySession"},
{10601, &IFriendService::DeclareCloseOnlinePlaySession, "DeclareCloseOnlinePlaySession"},
@@ -121,6 +121,15 @@ private:
};
static_assert(sizeof(SizedFriendFilter) == 0x10, "SizedFriendFilter is an invalid size");
+ void GetBlockedUserListIds(Kernel::HLERequestContext& ctx) {
+ // This is safe to stub, as there should be no adverse consequences from reporting no
+ // blocked users.
+ LOG_WARNING(Service_ACC, "(STUBBED) called");
+ IPC::ResponseBuilder rb{ctx, 3};
+ rb.Push(RESULT_SUCCESS);
+ rb.Push<u32>(0); // Indicates there are no blocked users
+ }
+
void DeclareCloseOnlinePlaySession(Kernel::HLERequestContext& ctx) {
// Stub used by Splatoon 2
LOG_WARNING(Service_ACC, "(STUBBED) called");
diff --git a/src/core/hle/service/nvflinger/buffer_queue.cpp b/src/core/hle/service/nvflinger/buffer_queue.cpp
index 32b6f4b27..f1e3d832a 100644
--- a/src/core/hle/service/nvflinger/buffer_queue.cpp
+++ b/src/core/hle/service/nvflinger/buffer_queue.cpp
@@ -28,6 +28,7 @@ void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer)
buffer.slot = slot;
buffer.igbp_buffer = igbp_buffer;
buffer.status = Buffer::Status::Free;
+ free_buffers.push_back(slot);
queue.emplace_back(buffer);
buffer_wait_event.writable->Signal();
@@ -35,16 +36,37 @@ void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer)
std::optional<std::pair<u32, Service::Nvidia::MultiFence*>> BufferQueue::DequeueBuffer(u32 width,
u32 height) {
- auto itr = std::find_if(queue.begin(), queue.end(), [&](const Buffer& buffer) {
- // Only consider free buffers. Buffers become free once again after they've been Acquired
- // and Released by the compositor, see the NVFlinger::Compose method.
- if (buffer.status != Buffer::Status::Free) {
- return false;
- }
- // Make sure that the parameters match.
- return buffer.igbp_buffer.width == width && buffer.igbp_buffer.height == height;
- });
+ if (free_buffers.empty()) {
+ return {};
+ }
+
+ auto f_itr = free_buffers.begin();
+ auto itr = queue.end();
+
+ while (f_itr != free_buffers.end()) {
+ auto slot = *f_itr;
+ itr = std::find_if(queue.begin(), queue.end(), [&](const Buffer& buffer) {
+ // Only consider free buffers. Buffers become free once again after they've been
+ // Acquired and Released by the compositor, see the NVFlinger::Compose method.
+ if (buffer.status != Buffer::Status::Free) {
+ return false;
+ }
+
+ if (buffer.slot != slot) {
+ return false;
+ }
+
+ // Make sure that the parameters match.
+ return buffer.igbp_buffer.width == width && buffer.igbp_buffer.height == height;
+ });
+
+ if (itr != queue.end()) {
+ free_buffers.erase(f_itr);
+ break;
+ }
+ ++f_itr;
+ }
if (itr == queue.end()) {
return {};
@@ -99,10 +121,18 @@ void BufferQueue::ReleaseBuffer(u32 slot) {
ASSERT(itr != queue.end());
ASSERT(itr->status == Buffer::Status::Acquired);
itr->status = Buffer::Status::Free;
+ free_buffers.push_back(slot);
buffer_wait_event.writable->Signal();
}
+void BufferQueue::Disconnect() {
+ queue.clear();
+ queue_sequence.clear();
+ id = 1;
+ layer_id = 1;
+}
+
u32 BufferQueue::Query(QueryType type) {
LOG_WARNING(Service, "(STUBBED) called type={}", static_cast<u32>(type));
diff --git a/src/core/hle/service/nvflinger/buffer_queue.h b/src/core/hle/service/nvflinger/buffer_queue.h
index f4bbfd945..d5f31e567 100644
--- a/src/core/hle/service/nvflinger/buffer_queue.h
+++ b/src/core/hle/service/nvflinger/buffer_queue.h
@@ -87,6 +87,7 @@ public:
Service::Nvidia::MultiFence& multi_fence);
std::optional<std::reference_wrapper<const Buffer>> AcquireBuffer();
void ReleaseBuffer(u32 slot);
+ void Disconnect();
u32 Query(QueryType type);
u32 GetId() const {
@@ -101,6 +102,7 @@ private:
u32 id;
u64 layer_id;
+ std::list<u32> free_buffers;
std::vector<Buffer> queue;
std::list<u32> queue_sequence;
Kernel::EventPair buffer_wait_event;
diff --git a/src/core/hle/service/vi/vi.cpp b/src/core/hle/service/vi/vi.cpp
index 519da74e0..fdc62d05b 100644
--- a/src/core/hle/service/vi/vi.cpp
+++ b/src/core/hle/service/vi/vi.cpp
@@ -513,7 +513,8 @@ private:
auto& buffer_queue = nv_flinger->FindBufferQueue(id);
- if (transaction == TransactionId::Connect) {
+ switch (transaction) {
+ case TransactionId::Connect: {
IGBPConnectRequestParcel request{ctx.ReadBuffer()};
IGBPConnectResponseParcel response{
static_cast<u32>(static_cast<u32>(DisplayResolution::UndockedWidth) *
@@ -521,14 +522,18 @@ private:
static_cast<u32>(static_cast<u32>(DisplayResolution::UndockedHeight) *
Settings::values.resolution_factor)};
ctx.WriteBuffer(response.Serialize());
- } else if (transaction == TransactionId::SetPreallocatedBuffer) {
+ break;
+ }
+ case TransactionId::SetPreallocatedBuffer: {
IGBPSetPreallocatedBufferRequestParcel request{ctx.ReadBuffer()};
buffer_queue.SetPreallocatedBuffer(request.data.slot, request.buffer);
IGBPSetPreallocatedBufferResponseParcel response{};
ctx.WriteBuffer(response.Serialize());
- } else if (transaction == TransactionId::DequeueBuffer) {
+ break;
+ }
+ case TransactionId::DequeueBuffer: {
IGBPDequeueBufferRequestParcel request{ctx.ReadBuffer()};
const u32 width{request.data.width};
const u32 height{request.data.height};
@@ -556,14 +561,18 @@ private:
},
buffer_queue.GetWritableBufferWaitEvent());
}
- } else if (transaction == TransactionId::RequestBuffer) {
+ break;
+ }
+ case TransactionId::RequestBuffer: {
IGBPRequestBufferRequestParcel request{ctx.ReadBuffer()};
auto& buffer = buffer_queue.RequestBuffer(request.slot);
IGBPRequestBufferResponseParcel response{buffer};
ctx.WriteBuffer(response.Serialize());
- } else if (transaction == TransactionId::QueueBuffer) {
+ break;
+ }
+ case TransactionId::QueueBuffer: {
IGBPQueueBufferRequestParcel request{ctx.ReadBuffer()};
buffer_queue.QueueBuffer(request.data.slot, request.data.transform,
@@ -572,7 +581,9 @@ private:
IGBPQueueBufferResponseParcel response{1280, 720};
ctx.WriteBuffer(response.Serialize());
- } else if (transaction == TransactionId::Query) {
+ break;
+ }
+ case TransactionId::Query: {
IGBPQueryRequestParcel request{ctx.ReadBuffer()};
const u32 value =
@@ -580,15 +591,30 @@ private:
IGBPQueryResponseParcel response{value};
ctx.WriteBuffer(response.Serialize());
- } else if (transaction == TransactionId::CancelBuffer) {
+ break;
+ }
+ case TransactionId::CancelBuffer: {
LOG_CRITICAL(Service_VI, "(STUBBED) called, transaction=CancelBuffer");
- } else if (transaction == TransactionId::Disconnect ||
- transaction == TransactionId::DetachBuffer) {
+ break;
+ }
+ case TransactionId::Disconnect: {
+ LOG_WARNING(Service_VI, "(STUBBED) called, transaction=Disconnect");
+ const auto buffer = ctx.ReadBuffer();
+
+ buffer_queue.Disconnect();
+
+ IGBPEmptyResponseParcel response{};
+ ctx.WriteBuffer(response.Serialize());
+ break;
+ }
+ case TransactionId::DetachBuffer: {
const auto buffer = ctx.ReadBuffer();
IGBPEmptyResponseParcel response{};
ctx.WriteBuffer(response.Serialize());
- } else {
+ break;
+ }
+ default:
ASSERT_MSG(false, "Unimplemented");
}
diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index f0888327f..6061d37ae 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -242,7 +242,52 @@ struct Memory::Impl {
}
case Common::PageType::RasterizerCachedMemory: {
const u8* const host_ptr = GetPointerFromVMA(process, current_vaddr);
- system.GPU().FlushRegion(ToCacheAddr(host_ptr), copy_amount);
+ system.GPU().FlushRegion(current_vaddr, copy_amount);
+ std::memcpy(dest_buffer, host_ptr, copy_amount);
+ break;
+ }
+ default:
+ UNREACHABLE();
+ }
+
+ page_index++;
+ page_offset = 0;
+ dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount;
+ remaining_size -= copy_amount;
+ }
+ }
+
+ void ReadBlockUnsafe(const Kernel::Process& process, const VAddr src_addr, void* dest_buffer,
+ const std::size_t size) {
+ const auto& page_table = process.VMManager().page_table;
+
+ std::size_t remaining_size = size;
+ std::size_t page_index = src_addr >> PAGE_BITS;
+ std::size_t page_offset = src_addr & PAGE_MASK;
+
+ while (remaining_size > 0) {
+ const std::size_t copy_amount =
+ std::min(static_cast<std::size_t>(PAGE_SIZE) - page_offset, remaining_size);
+ const auto current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
+
+ switch (page_table.attributes[page_index]) {
+ case Common::PageType::Unmapped: {
+ LOG_ERROR(HW_Memory,
+ "Unmapped ReadBlock @ 0x{:016X} (start address = 0x{:016X}, size = {})",
+ current_vaddr, src_addr, size);
+ std::memset(dest_buffer, 0, copy_amount);
+ break;
+ }
+ case Common::PageType::Memory: {
+ DEBUG_ASSERT(page_table.pointers[page_index]);
+
+ const u8* const src_ptr =
+ page_table.pointers[page_index] + page_offset + (page_index << PAGE_BITS);
+ std::memcpy(dest_buffer, src_ptr, copy_amount);
+ break;
+ }
+ case Common::PageType::RasterizerCachedMemory: {
+ const u8* const host_ptr = GetPointerFromVMA(process, current_vaddr);
std::memcpy(dest_buffer, host_ptr, copy_amount);
break;
}
@@ -261,6 +306,10 @@ struct Memory::Impl {
ReadBlock(*system.CurrentProcess(), src_addr, dest_buffer, size);
}
+ void ReadBlockUnsafe(const VAddr src_addr, void* dest_buffer, const std::size_t size) {
+ ReadBlockUnsafe(*system.CurrentProcess(), src_addr, dest_buffer, size);
+ }
+
void WriteBlock(const Kernel::Process& process, const VAddr dest_addr, const void* src_buffer,
const std::size_t size) {
const auto& page_table = process.VMManager().page_table;
@@ -290,7 +339,50 @@ struct Memory::Impl {
}
case Common::PageType::RasterizerCachedMemory: {
u8* const host_ptr = GetPointerFromVMA(process, current_vaddr);
- system.GPU().InvalidateRegion(ToCacheAddr(host_ptr), copy_amount);
+ system.GPU().InvalidateRegion(current_vaddr, copy_amount);
+ std::memcpy(host_ptr, src_buffer, copy_amount);
+ break;
+ }
+ default:
+ UNREACHABLE();
+ }
+
+ page_index++;
+ page_offset = 0;
+ src_buffer = static_cast<const u8*>(src_buffer) + copy_amount;
+ remaining_size -= copy_amount;
+ }
+ }
+
+ void WriteBlockUnsafe(const Kernel::Process& process, const VAddr dest_addr,
+ const void* src_buffer, const std::size_t size) {
+ const auto& page_table = process.VMManager().page_table;
+ std::size_t remaining_size = size;
+ std::size_t page_index = dest_addr >> PAGE_BITS;
+ std::size_t page_offset = dest_addr & PAGE_MASK;
+
+ while (remaining_size > 0) {
+ const std::size_t copy_amount =
+ std::min(static_cast<std::size_t>(PAGE_SIZE) - page_offset, remaining_size);
+ const auto current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
+
+ switch (page_table.attributes[page_index]) {
+ case Common::PageType::Unmapped: {
+ LOG_ERROR(HW_Memory,
+ "Unmapped WriteBlock @ 0x{:016X} (start address = 0x{:016X}, size = {})",
+ current_vaddr, dest_addr, size);
+ break;
+ }
+ case Common::PageType::Memory: {
+ DEBUG_ASSERT(page_table.pointers[page_index]);
+
+ u8* const dest_ptr =
+ page_table.pointers[page_index] + page_offset + (page_index << PAGE_BITS);
+ std::memcpy(dest_ptr, src_buffer, copy_amount);
+ break;
+ }
+ case Common::PageType::RasterizerCachedMemory: {
+ u8* const host_ptr = GetPointerFromVMA(process, current_vaddr);
std::memcpy(host_ptr, src_buffer, copy_amount);
break;
}
@@ -309,6 +401,10 @@ struct Memory::Impl {
WriteBlock(*system.CurrentProcess(), dest_addr, src_buffer, size);
}
+ void WriteBlockUnsafe(const VAddr dest_addr, const void* src_buffer, const std::size_t size) {
+ WriteBlockUnsafe(*system.CurrentProcess(), dest_addr, src_buffer, size);
+ }
+
void ZeroBlock(const Kernel::Process& process, const VAddr dest_addr, const std::size_t size) {
const auto& page_table = process.VMManager().page_table;
std::size_t remaining_size = size;
@@ -337,7 +433,7 @@ struct Memory::Impl {
}
case Common::PageType::RasterizerCachedMemory: {
u8* const host_ptr = GetPointerFromVMA(process, current_vaddr);
- system.GPU().InvalidateRegion(ToCacheAddr(host_ptr), copy_amount);
+ system.GPU().InvalidateRegion(current_vaddr, copy_amount);
std::memset(host_ptr, 0, copy_amount);
break;
}
@@ -384,7 +480,7 @@ struct Memory::Impl {
}
case Common::PageType::RasterizerCachedMemory: {
const u8* const host_ptr = GetPointerFromVMA(process, current_vaddr);
- system.GPU().FlushRegion(ToCacheAddr(host_ptr), copy_amount);
+ system.GPU().FlushRegion(current_vaddr, copy_amount);
WriteBlock(process, dest_addr, host_ptr, copy_amount);
break;
}
@@ -545,7 +641,7 @@ struct Memory::Impl {
break;
case Common::PageType::RasterizerCachedMemory: {
const u8* const host_ptr = GetPointerFromVMA(vaddr);
- system.GPU().FlushRegion(ToCacheAddr(host_ptr), sizeof(T));
+ system.GPU().FlushRegion(vaddr, sizeof(T));
T value;
std::memcpy(&value, host_ptr, sizeof(T));
return value;
@@ -587,7 +683,7 @@ struct Memory::Impl {
break;
case Common::PageType::RasterizerCachedMemory: {
u8* const host_ptr{GetPointerFromVMA(vaddr)};
- system.GPU().InvalidateRegion(ToCacheAddr(host_ptr), sizeof(T));
+ system.GPU().InvalidateRegion(vaddr, sizeof(T));
std::memcpy(host_ptr, &data, sizeof(T));
break;
}
@@ -696,6 +792,15 @@ void Memory::ReadBlock(const VAddr src_addr, void* dest_buffer, const std::size_
impl->ReadBlock(src_addr, dest_buffer, size);
}
+void Memory::ReadBlockUnsafe(const Kernel::Process& process, const VAddr src_addr,
+ void* dest_buffer, const std::size_t size) {
+ impl->ReadBlockUnsafe(process, src_addr, dest_buffer, size);
+}
+
+void Memory::ReadBlockUnsafe(const VAddr src_addr, void* dest_buffer, const std::size_t size) {
+ impl->ReadBlockUnsafe(src_addr, dest_buffer, size);
+}
+
void Memory::WriteBlock(const Kernel::Process& process, VAddr dest_addr, const void* src_buffer,
std::size_t size) {
impl->WriteBlock(process, dest_addr, src_buffer, size);
@@ -705,6 +810,16 @@ void Memory::WriteBlock(const VAddr dest_addr, const void* src_buffer, const std
impl->WriteBlock(dest_addr, src_buffer, size);
}
+void Memory::WriteBlockUnsafe(const Kernel::Process& process, VAddr dest_addr,
+ const void* src_buffer, std::size_t size) {
+ impl->WriteBlockUnsafe(process, dest_addr, src_buffer, size);
+}
+
+void Memory::WriteBlockUnsafe(const VAddr dest_addr, const void* src_buffer,
+ const std::size_t size) {
+ impl->WriteBlockUnsafe(dest_addr, src_buffer, size);
+}
+
void Memory::ZeroBlock(const Kernel::Process& process, VAddr dest_addr, std::size_t size) {
impl->ZeroBlock(process, dest_addr, size);
}
diff --git a/src/core/memory.h b/src/core/memory.h
index 8913a9da4..b92d678a4 100644
--- a/src/core/memory.h
+++ b/src/core/memory.h
@@ -295,6 +295,27 @@ public:
std::size_t size);
/**
+ * Reads a contiguous block of bytes from a specified process' address space.
+ * This unsafe version does not trigger GPU flushing.
+ *
+ * @param process The process to read the data from.
+ * @param src_addr The virtual address to begin reading from.
+ * @param dest_buffer The buffer to place the read bytes into.
+ * @param size The amount of data to read, in bytes.
+ *
+ * @note If a size of 0 is specified, then this function reads nothing and
+ * no attempts to access memory are made at all.
+ *
+ * @pre dest_buffer must be at least size bytes in length, otherwise a
+ * buffer overrun will occur.
+ *
+ * @post The range [dest_buffer, size) contains the read bytes from the
+ * process' address space.
+ */
+ void ReadBlockUnsafe(const Kernel::Process& process, VAddr src_addr, void* dest_buffer,
+ std::size_t size);
+
+ /**
* Reads a contiguous block of bytes from the current process' address space.
*
* @param src_addr The virtual address to begin reading from.
@@ -313,6 +334,25 @@ public:
void ReadBlock(VAddr src_addr, void* dest_buffer, std::size_t size);
/**
+ * Reads a contiguous block of bytes from the current process' address space.
+ * This unsafe version does not trigger GPU flushing.
+ *
+ * @param src_addr The virtual address to begin reading from.
+ * @param dest_buffer The buffer to place the read bytes into.
+ * @param size The amount of data to read, in bytes.
+ *
+ * @note If a size of 0 is specified, then this function reads nothing and
+ * no attempts to access memory are made at all.
+ *
+ * @pre dest_buffer must be at least size bytes in length, otherwise a
+ * buffer overrun will occur.
+ *
+ * @post The range [dest_buffer, size) contains the read bytes from the
+ * current process' address space.
+ */
+ void ReadBlockUnsafe(VAddr src_addr, void* dest_buffer, std::size_t size);
+
+ /**
* Writes a range of bytes into a given process' address space at the specified
* virtual address.
*
@@ -336,6 +376,26 @@ public:
std::size_t size);
/**
+ * Writes a range of bytes into a given process' address space at the specified
+ * virtual address.
+ * This unsafe version does not invalidate GPU Memory.
+ *
+ * @param process The process to write data into the address space of.
+ * @param dest_addr The destination virtual address to begin writing the data at.
+ * @param src_buffer The data to write into the process' address space.
+ * @param size The size of the data to write, in bytes.
+ *
+ * @post The address range [dest_addr, size) in the process' address space
+ * contains the data that was within src_buffer.
+ *
+ * @post If an attempt is made to write into an unmapped region of memory, the writes
+ * will be ignored and an error will be logged.
+ *
+ */
+ void WriteBlockUnsafe(const Kernel::Process& process, VAddr dest_addr, const void* src_buffer,
+ std::size_t size);
+
+ /**
* Writes a range of bytes into the current process' address space at the specified
* virtual address.
*
@@ -357,6 +417,24 @@ public:
void WriteBlock(VAddr dest_addr, const void* src_buffer, std::size_t size);
/**
+ * Writes a range of bytes into the current process' address space at the specified
+ * virtual address.
+ * This unsafe version does not invalidate GPU Memory.
+ *
+ * @param dest_addr The destination virtual address to begin writing the data at.
+ * @param src_buffer The data to write into the current process' address space.
+ * @param size The size of the data to write, in bytes.
+ *
+ * @post The address range [dest_addr, size) in the current process' address space
+ * contains the data that was within src_buffer.
+ *
+ * @post If an attempt is made to write into an unmapped region of memory, the writes
+ * will be ignored and an error will be logged.
+ *
+ */
+ void WriteBlockUnsafe(VAddr dest_addr, const void* src_buffer, std::size_t size);
+
+ /**
* Fills the specified address range within a process' address space with zeroes.
*
* @param process The process that will have a portion of its memory zeroed out.
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-20 16:04:22 +0200