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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Weiyi Wang 2018-11-24 00:04:42 -05:00 committed by GitHub
commit 210e558bea
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11 changed files with 78 additions and 46 deletions

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@ -65,7 +65,7 @@ ResultCode SoftwareKeyboard::StartImpl(Service::APT::AppletStartupParameter cons
boost::static_pointer_cast<Kernel::SharedMemory, Kernel::Object>(parameter.object);
// TODO(Subv): Verify if this is the correct behavior
memset(text_memory->GetPointer(), 0, text_memory->size);
memset(text_memory->GetPointer(), 0, text_memory->GetSize());
DrawScreenKeyboard();

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@ -11,12 +11,23 @@
#include "core/hle/kernel/thread.h"
namespace Kernel {
namespace {
constexpr u16 GetSlot(Handle handle) {
return handle >> 15;
}
constexpr u16 GetGeneration(Handle handle) {
return handle & 0x7FFF;
}
} // Anonymous namespace
HandleTable::HandleTable(KernelSystem& kernel) : kernel(kernel) {
next_generation = 1;
Clear();
}
HandleTable::~HandleTable() = default;
ResultVal<Handle> HandleTable::Create(SharedPtr<Object> obj) {
DEBUG_ASSERT(obj != nullptr);

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@ -43,6 +43,7 @@ enum KernelHandle : Handle {
class HandleTable final : NonCopyable {
public:
explicit HandleTable(KernelSystem& kernel);
~HandleTable();
/**
* Allocates a handle for the given object.
@ -95,13 +96,6 @@ private:
*/
static const std::size_t MAX_COUNT = 4096;
static u16 GetSlot(Handle handle) {
return handle >> 15;
}
static u16 GetGeneration(Handle handle) {
return handle & 0x7FFF;
}
/// Stores the Object referenced by the handle or null if the slot is empty.
std::array<SharedPtr<Object>, MAX_COUNT> objects;

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@ -95,11 +95,11 @@ SharedPtr<SharedMemory> KernelSystem::CreateSharedMemoryForApplet(
return shared_memory;
}
ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermission permissions,
ResultCode SharedMemory::Map(Process& target_process, VAddr address, MemoryPermission permissions,
MemoryPermission other_permissions) {
MemoryPermission own_other_permissions =
target_process == owner_process ? this->permissions : this->other_permissions;
&target_process == owner_process ? this->permissions : this->other_permissions;
// Automatically allocated memory blocks can only be mapped with other_permissions = DontCare
if (base_address == 0 && other_permissions != MemoryPermission::DontCare) {
@ -155,7 +155,7 @@ ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermi
target_address = linear_heap_phys_offset + Memory::LINEAR_HEAP_VADDR;
}
auto vma = target_process->vm_manager.FindVMA(target_address);
auto vma = target_process.vm_manager.FindVMA(target_address);
if (vma->second.type != VMAType::Free ||
vma->second.base + vma->second.size < target_address + size) {
LOG_ERROR(Kernel,
@ -167,20 +167,20 @@ ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermi
// Map the memory block into the target process
VAddr interval_target = target_address;
for (const auto& interval : backing_blocks) {
auto vma = target_process->vm_manager.MapBackingMemory(
interval_target, interval.first, interval.second, MemoryState::Shared);
auto vma = target_process.vm_manager.MapBackingMemory(interval_target, interval.first,
interval.second, MemoryState::Shared);
ASSERT(vma.Succeeded());
target_process->vm_manager.Reprotect(vma.Unwrap(), ConvertPermissions(permissions));
target_process.vm_manager.Reprotect(vma.Unwrap(), ConvertPermissions(permissions));
interval_target += interval.second;
}
return RESULT_SUCCESS;
}
ResultCode SharedMemory::Unmap(Process* target_process, VAddr address) {
ResultCode SharedMemory::Unmap(Process& target_process, VAddr address) {
// TODO(Subv): Verify what happens if the application tries to unmap an address that is not
// mapped to a SharedMemory.
return target_process->vm_manager.UnmapRange(address, size);
return target_process.vm_manager.UnmapRange(address, size);
}
VMAPermission SharedMemory::ConvertPermissions(MemoryPermission permission) {
@ -196,4 +196,11 @@ u8* SharedMemory::GetPointer(u32 offset) {
return backing_blocks[0].first + offset;
}
const u8* SharedMemory::GetPointer(u32 offset) const {
if (backing_blocks.size() != 1) {
LOG_WARNING(Kernel, "Unsafe GetPointer on discontinuous SharedMemory");
}
return backing_blocks[0].first + offset;
}
} // namespace Kernel

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@ -20,12 +20,25 @@ public:
std::string GetName() const override {
return name;
}
void SetName(std::string name) {
this->name = name;
}
static const HandleType HANDLE_TYPE = HandleType::SharedMemory;
HandleType GetHandleType() const override {
return HANDLE_TYPE;
}
/// Gets the size of the underlying memory block in bytes.
u64 GetSize() const {
return size;
}
/// Gets the linear heap physical offset
u64 GetLinearHeapPhysicalOffset() const {
return linear_heap_phys_offset;
}
/**
* Converts the specified MemoryPermission into the equivalent VMAPermission.
* @param permission The MemoryPermission to convert.
@ -39,48 +52,55 @@ public:
* @param permissions Memory block map permissions (specified by SVC field)
* @param other_permissions Memory block map other permissions (specified by SVC field)
*/
ResultCode Map(Process* target_process, VAddr address, MemoryPermission permissions,
ResultCode Map(Process& target_process, VAddr address, MemoryPermission permissions,
MemoryPermission other_permissions);
/**
* Unmaps a shared memory block from the specified address in system memory
* @param target_process Process from which to umap the memory block.
* @param target_process Process from which to unmap the memory block.
* @param address Address in system memory where the shared memory block is mapped
* @return Result code of the unmap operation
*/
ResultCode Unmap(Process* target_process, VAddr address);
ResultCode Unmap(Process& target_process, VAddr address);
/**
* Gets a pointer to the shared memory block
* @param offset Offset from the start of the shared memory block to get pointer
* @return Pointer to the shared memory block from the specified offset
* @return A pointer to the shared memory block from the specified offset
*/
u8* GetPointer(u32 offset = 0);
/// Process that created this shared memory block.
Process* owner_process;
/// Address of shared memory block in the owner process if specified.
VAddr base_address;
/// Offset in FCRAM of the shared memory block in the linear heap if no address was specified
/// during creation.
PAddr linear_heap_phys_offset;
/// Backing memory for this shared memory block.
std::vector<std::pair<u8*, u32>> backing_blocks;
/// Size of the memory block. Page-aligned.
u32 size;
/// Permission restrictions applied to the process which created the block.
MemoryPermission permissions;
/// Permission restrictions applied to other processes mapping the block.
MemoryPermission other_permissions;
/// Name of shared memory object.
std::string name;
MemoryRegionInfo::IntervalSet holding_memory;
/**
* Gets a constant pointer to the shared memory block
* @param offset Offset from the start of the shared memory block to get pointer
* @return A constant pointer to the shared memory block from the specified offset
*/
const u8* GetPointer(u32 offset = 0) const;
private:
explicit SharedMemory(KernelSystem& kernel);
~SharedMemory() override;
/// Offset in FCRAM of the shared memory block in the linear heap if no address was specified
/// during creation.
PAddr linear_heap_phys_offset = 0;
/// Backing memory for this shared memory block.
std::vector<std::pair<u8*, u32>> backing_blocks;
/// Size of the memory block. Page-aligned.
u32 size = 0;
/// Permission restrictions applied to the process which created the block.
MemoryPermission permissions{};
/// Permission restrictions applied to other processes mapping the block.
MemoryPermission other_permissions{};
/// Process that created this shared memory block.
SharedPtr<Process> owner_process;
/// Address of shared memory block in the owner process if specified.
VAddr base_address = 0;
/// Name of shared memory object.
std::string name;
MemoryRegionInfo::IntervalSet holding_memory;
friend class KernelSystem;
KernelSystem& kernel;
};

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@ -322,7 +322,7 @@ ResultCode SVC::MapMemoryBlock(Handle handle, u32 addr, u32 permissions, u32 oth
case MemoryPermission::WriteExecute:
case MemoryPermission::ReadWriteExecute:
case MemoryPermission::DontCare:
return shared_memory->Map(kernel.GetCurrentProcess().get(), addr, permissions_type,
return shared_memory->Map(*kernel.GetCurrentProcess(), addr, permissions_type,
static_cast<MemoryPermission>(other_permissions));
default:
LOG_ERROR(Kernel_SVC, "unknown permissions=0x{:08X}", permissions);
@ -341,7 +341,7 @@ ResultCode SVC::UnmapMemoryBlock(Handle handle, u32 addr) {
if (shared_memory == nullptr)
return ERR_INVALID_HANDLE;
return shared_memory->Unmap(current_process.get(), addr);
return shared_memory->Unmap(*current_process, addr);
}
/// 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) {
// shared font, different linear heap region would have required shared font to relocate
// according to two different addresses at the same time, which is impossible.
VAddr target_address =
apt->shared_font_mem->linear_heap_phys_offset + Memory::LINEAR_HEAP_VADDR;
apt->shared_font_mem->GetLinearHeapPhysicalOffset() + Memory::LINEAR_HEAP_VADDR;
if (!apt->shared_font_relocated) {
BCFNT::RelocateSharedFont(apt->shared_font_mem, target_address);
apt->shared_font_relocated = true;

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@ -50,7 +50,7 @@ void HTTP_C::Initialize(Kernel::HLERequestContext& ctx) {
u32 pid = rp.PopPID();
shared_memory = rp.PopObject<Kernel::SharedMemory>();
if (shared_memory) {
shared_memory->name = "HTTP_C:shared_memory";
shared_memory->SetName("HTTP_C:shared_memory");
}
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) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
shared_memory->name = "IR_USER: shared memory";
shared_memory->SetName("IR_USER: shared memory");
receive_buffer = std::make_unique<BufferManager>(shared_memory, 0x10, 0x20,
recv_buff_packet_count, recv_buff_size);

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@ -40,7 +40,7 @@ struct MIC_U::Impl {
shared_memory = rp.PopObject<Kernel::SharedMemory>();
if (shared_memory) {
shared_memory->name = "MIC_U:shared_memory";
shared_memory->SetName("MIC_U:shared_memory");
}
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);

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@ -724,7 +724,7 @@ void NWM_UDS::InitializeWithVersion(Kernel::HLERequestContext& ctx) {
initialized = true;
ASSERT_MSG(recv_buffer_memory->size == sharedmem_size, "Invalid shared memory size.");
ASSERT_MSG(recv_buffer_memory->GetSize() == sharedmem_size, "Invalid shared memory size.");
if (auto room_member = Network::GetRoomMember().lock()) {
wifi_packet_received = room_member->BindOnWifiPacketReceived(OnWifiPacketReceived);