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https://github.com/Lime3DS/Lime3DS.git
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Merge pull request #4456 from FearlessTobi/port-1767
Port yuzu-emu/yuzu#1734 and yuzu-emu/yuzu#1767: Minor changes to "kernel"
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commit
210e558bea
@ -65,7 +65,7 @@ ResultCode SoftwareKeyboard::StartImpl(Service::APT::AppletStartupParameter cons
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boost::static_pointer_cast<Kernel::SharedMemory, Kernel::Object>(parameter.object);
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// TODO(Subv): Verify if this is the correct behavior
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memset(text_memory->GetPointer(), 0, text_memory->size);
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memset(text_memory->GetPointer(), 0, text_memory->GetSize());
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DrawScreenKeyboard();
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@ -11,12 +11,23 @@
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#include "core/hle/kernel/thread.h"
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namespace Kernel {
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namespace {
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constexpr u16 GetSlot(Handle handle) {
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return handle >> 15;
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}
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constexpr u16 GetGeneration(Handle handle) {
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return handle & 0x7FFF;
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}
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} // Anonymous namespace
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HandleTable::HandleTable(KernelSystem& kernel) : kernel(kernel) {
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next_generation = 1;
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Clear();
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}
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HandleTable::~HandleTable() = default;
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ResultVal<Handle> HandleTable::Create(SharedPtr<Object> obj) {
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DEBUG_ASSERT(obj != nullptr);
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@ -43,6 +43,7 @@ enum KernelHandle : Handle {
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class HandleTable final : NonCopyable {
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public:
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explicit HandleTable(KernelSystem& kernel);
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~HandleTable();
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/**
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* Allocates a handle for the given object.
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@ -95,13 +96,6 @@ private:
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*/
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static const std::size_t MAX_COUNT = 4096;
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static u16 GetSlot(Handle handle) {
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return handle >> 15;
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}
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static u16 GetGeneration(Handle handle) {
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return handle & 0x7FFF;
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}
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/// Stores the Object referenced by the handle or null if the slot is empty.
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std::array<SharedPtr<Object>, MAX_COUNT> objects;
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@ -95,11 +95,11 @@ SharedPtr<SharedMemory> KernelSystem::CreateSharedMemoryForApplet(
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return shared_memory;
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}
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ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermission permissions,
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ResultCode SharedMemory::Map(Process& target_process, VAddr address, MemoryPermission permissions,
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MemoryPermission other_permissions) {
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MemoryPermission own_other_permissions =
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target_process == owner_process ? this->permissions : this->other_permissions;
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&target_process == owner_process ? this->permissions : this->other_permissions;
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// Automatically allocated memory blocks can only be mapped with other_permissions = DontCare
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if (base_address == 0 && other_permissions != MemoryPermission::DontCare) {
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@ -155,7 +155,7 @@ ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermi
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target_address = linear_heap_phys_offset + Memory::LINEAR_HEAP_VADDR;
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}
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auto vma = target_process->vm_manager.FindVMA(target_address);
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auto vma = target_process.vm_manager.FindVMA(target_address);
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if (vma->second.type != VMAType::Free ||
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vma->second.base + vma->second.size < target_address + size) {
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LOG_ERROR(Kernel,
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@ -167,20 +167,20 @@ ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermi
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// Map the memory block into the target process
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VAddr interval_target = target_address;
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for (const auto& interval : backing_blocks) {
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auto vma = target_process->vm_manager.MapBackingMemory(
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interval_target, interval.first, interval.second, MemoryState::Shared);
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auto vma = target_process.vm_manager.MapBackingMemory(interval_target, interval.first,
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interval.second, MemoryState::Shared);
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ASSERT(vma.Succeeded());
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target_process->vm_manager.Reprotect(vma.Unwrap(), ConvertPermissions(permissions));
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target_process.vm_manager.Reprotect(vma.Unwrap(), ConvertPermissions(permissions));
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interval_target += interval.second;
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}
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return RESULT_SUCCESS;
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}
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ResultCode SharedMemory::Unmap(Process* target_process, VAddr address) {
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ResultCode SharedMemory::Unmap(Process& target_process, VAddr address) {
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// TODO(Subv): Verify what happens if the application tries to unmap an address that is not
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// mapped to a SharedMemory.
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return target_process->vm_manager.UnmapRange(address, size);
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return target_process.vm_manager.UnmapRange(address, size);
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}
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VMAPermission SharedMemory::ConvertPermissions(MemoryPermission permission) {
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@ -196,4 +196,11 @@ u8* SharedMemory::GetPointer(u32 offset) {
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return backing_blocks[0].first + offset;
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}
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const u8* SharedMemory::GetPointer(u32 offset) const {
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if (backing_blocks.size() != 1) {
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LOG_WARNING(Kernel, "Unsafe GetPointer on discontinuous SharedMemory");
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}
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return backing_blocks[0].first + offset;
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}
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} // namespace Kernel
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@ -20,12 +20,25 @@ public:
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std::string GetName() const override {
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return name;
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}
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void SetName(std::string name) {
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this->name = name;
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}
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static const HandleType HANDLE_TYPE = HandleType::SharedMemory;
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HandleType GetHandleType() const override {
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return HANDLE_TYPE;
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}
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/// Gets the size of the underlying memory block in bytes.
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u64 GetSize() const {
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return size;
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}
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/// Gets the linear heap physical offset
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u64 GetLinearHeapPhysicalOffset() const {
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return linear_heap_phys_offset;
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}
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/**
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* Converts the specified MemoryPermission into the equivalent VMAPermission.
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* @param permission The MemoryPermission to convert.
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@ -39,48 +52,55 @@ public:
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* @param permissions Memory block map permissions (specified by SVC field)
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* @param other_permissions Memory block map other permissions (specified by SVC field)
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*/
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ResultCode Map(Process* target_process, VAddr address, MemoryPermission permissions,
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ResultCode Map(Process& target_process, VAddr address, MemoryPermission permissions,
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MemoryPermission other_permissions);
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/**
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* Unmaps a shared memory block from the specified address in system memory
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* @param target_process Process from which to umap the memory block.
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* @param target_process Process from which to unmap the memory block.
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* @param address Address in system memory where the shared memory block is mapped
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* @return Result code of the unmap operation
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*/
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ResultCode Unmap(Process* target_process, VAddr address);
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ResultCode Unmap(Process& target_process, VAddr address);
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/**
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* Gets a pointer to the shared memory block
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* @param offset Offset from the start of the shared memory block to get pointer
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* @return Pointer to the shared memory block from the specified offset
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* @return A pointer to the shared memory block from the specified offset
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*/
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u8* GetPointer(u32 offset = 0);
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/// Process that created this shared memory block.
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Process* owner_process;
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/// Address of shared memory block in the owner process if specified.
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VAddr base_address;
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/// Offset in FCRAM of the shared memory block in the linear heap if no address was specified
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/// during creation.
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PAddr linear_heap_phys_offset;
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/// Backing memory for this shared memory block.
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std::vector<std::pair<u8*, u32>> backing_blocks;
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/// Size of the memory block. Page-aligned.
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u32 size;
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/// Permission restrictions applied to the process which created the block.
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MemoryPermission permissions;
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/// Permission restrictions applied to other processes mapping the block.
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MemoryPermission other_permissions;
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/// Name of shared memory object.
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std::string name;
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MemoryRegionInfo::IntervalSet holding_memory;
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/**
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* Gets a constant pointer to the shared memory block
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* @param offset Offset from the start of the shared memory block to get pointer
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* @return A constant pointer to the shared memory block from the specified offset
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*/
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const u8* GetPointer(u32 offset = 0) const;
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private:
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explicit SharedMemory(KernelSystem& kernel);
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~SharedMemory() override;
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/// Offset in FCRAM of the shared memory block in the linear heap if no address was specified
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/// during creation.
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PAddr linear_heap_phys_offset = 0;
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/// Backing memory for this shared memory block.
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std::vector<std::pair<u8*, u32>> backing_blocks;
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/// Size of the memory block. Page-aligned.
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u32 size = 0;
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/// Permission restrictions applied to the process which created the block.
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MemoryPermission permissions{};
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/// Permission restrictions applied to other processes mapping the block.
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MemoryPermission other_permissions{};
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/// Process that created this shared memory block.
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SharedPtr<Process> owner_process;
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/// Address of shared memory block in the owner process if specified.
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VAddr base_address = 0;
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/// Name of shared memory object.
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std::string name;
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MemoryRegionInfo::IntervalSet holding_memory;
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friend class KernelSystem;
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KernelSystem& kernel;
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};
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@ -322,7 +322,7 @@ ResultCode SVC::MapMemoryBlock(Handle handle, u32 addr, u32 permissions, u32 oth
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case MemoryPermission::WriteExecute:
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case MemoryPermission::ReadWriteExecute:
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case MemoryPermission::DontCare:
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return shared_memory->Map(kernel.GetCurrentProcess().get(), addr, permissions_type,
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return shared_memory->Map(*kernel.GetCurrentProcess(), addr, permissions_type,
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static_cast<MemoryPermission>(other_permissions));
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default:
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LOG_ERROR(Kernel_SVC, "unknown permissions=0x{:08X}", permissions);
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@ -341,7 +341,7 @@ ResultCode SVC::UnmapMemoryBlock(Handle handle, u32 addr) {
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if (shared_memory == nullptr)
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return ERR_INVALID_HANDLE;
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return shared_memory->Unmap(current_process.get(), addr);
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return shared_memory->Unmap(*current_process, addr);
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}
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/// Connect to an OS service given the port name, returns the handle to the port to out
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@ -217,7 +217,7 @@ void Module::Interface::GetSharedFont(Kernel::HLERequestContext& ctx) {
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// shared font, different linear heap region would have required shared font to relocate
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// according to two different addresses at the same time, which is impossible.
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VAddr target_address =
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apt->shared_font_mem->linear_heap_phys_offset + Memory::LINEAR_HEAP_VADDR;
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apt->shared_font_mem->GetLinearHeapPhysicalOffset() + Memory::LINEAR_HEAP_VADDR;
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if (!apt->shared_font_relocated) {
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BCFNT::RelocateSharedFont(apt->shared_font_mem, target_address);
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apt->shared_font_relocated = true;
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@ -50,7 +50,7 @@ void HTTP_C::Initialize(Kernel::HLERequestContext& ctx) {
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u32 pid = rp.PopPID();
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shared_memory = rp.PopObject<Kernel::SharedMemory>();
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if (shared_memory) {
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shared_memory->name = "HTTP_C:shared_memory";
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shared_memory->SetName("HTTP_C:shared_memory");
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}
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LOG_WARNING(Service_HTTP, "(STUBBED) called, shared memory size: {} pid: {}", shmem_size, pid);
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@ -240,7 +240,7 @@ void IR_USER::InitializeIrNopShared(Kernel::HLERequestContext& ctx) {
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IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
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shared_memory->name = "IR_USER: shared memory";
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shared_memory->SetName("IR_USER: shared memory");
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receive_buffer = std::make_unique<BufferManager>(shared_memory, 0x10, 0x20,
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recv_buff_packet_count, recv_buff_size);
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@ -40,7 +40,7 @@ struct MIC_U::Impl {
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shared_memory = rp.PopObject<Kernel::SharedMemory>();
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if (shared_memory) {
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shared_memory->name = "MIC_U:shared_memory";
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shared_memory->SetName("MIC_U:shared_memory");
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}
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IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
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@ -724,7 +724,7 @@ void NWM_UDS::InitializeWithVersion(Kernel::HLERequestContext& ctx) {
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initialized = true;
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ASSERT_MSG(recv_buffer_memory->size == sharedmem_size, "Invalid shared memory size.");
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ASSERT_MSG(recv_buffer_memory->GetSize() == sharedmem_size, "Invalid shared memory size.");
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if (auto room_member = Network::GetRoomMember().lock()) {
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wifi_packet_received = room_member->BindOnWifiPacketReceived(OnWifiPacketReceived);
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