diff options
Diffstat (limited to 'src/core/hle/kernel')
25 files changed, 668 insertions, 405 deletions
diff --git a/src/core/hle/kernel/address_arbiter.cpp b/src/core/hle/kernel/address_arbiter.cpp index a250d088d..352190da8 100644 --- a/src/core/hle/kernel/address_arbiter.cpp +++ b/src/core/hle/kernel/address_arbiter.cpp @@ -9,6 +9,7 @@ #include "common/common_types.h" #include "core/core.h" #include "core/core_cpu.h" +#include "core/hle/kernel/address_arbiter.h" #include "core/hle/kernel/errors.h" #include "core/hle/kernel/object.h" #include "core/hle/kernel/process.h" @@ -17,58 +18,16 @@ #include "core/hle/result.h" #include "core/memory.h" -namespace Kernel::AddressArbiter { - -// Performs actual address waiting logic. -static ResultCode WaitForAddress(VAddr address, s64 timeout) { - SharedPtr<Thread> current_thread = GetCurrentThread(); - current_thread->SetArbiterWaitAddress(address); - current_thread->SetStatus(ThreadStatus::WaitArb); - current_thread->InvalidateWakeupCallback(); - - current_thread->WakeAfterDelay(timeout); - - Core::System::GetInstance().CpuCore(current_thread->GetProcessorID()).PrepareReschedule(); - return RESULT_TIMEOUT; -} - -// Gets the threads waiting on an address. -static std::vector<SharedPtr<Thread>> GetThreadsWaitingOnAddress(VAddr address) { - const auto RetrieveWaitingThreads = [](std::size_t core_index, - std::vector<SharedPtr<Thread>>& waiting_threads, - VAddr arb_addr) { - const auto& scheduler = Core::System::GetInstance().Scheduler(core_index); - const auto& thread_list = scheduler.GetThreadList(); - - for (const auto& thread : thread_list) { - if (thread->GetArbiterWaitAddress() == arb_addr) - waiting_threads.push_back(thread); - } - }; - - // Retrieve all threads that are waiting for this address. - std::vector<SharedPtr<Thread>> threads; - RetrieveWaitingThreads(0, threads, address); - RetrieveWaitingThreads(1, threads, address); - RetrieveWaitingThreads(2, threads, address); - RetrieveWaitingThreads(3, threads, address); - - // Sort them by priority, such that the highest priority ones come first. - std::sort(threads.begin(), threads.end(), - [](const SharedPtr<Thread>& lhs, const SharedPtr<Thread>& rhs) { - return lhs->GetPriority() < rhs->GetPriority(); - }); - - return threads; -} - +namespace Kernel { +namespace { // Wake up num_to_wake (or all) threads in a vector. -static void WakeThreads(std::vector<SharedPtr<Thread>>& waiting_threads, s32 num_to_wake) { +void WakeThreads(const std::vector<SharedPtr<Thread>>& waiting_threads, s32 num_to_wake) { // Only process up to 'target' threads, unless 'target' is <= 0, in which case process // them all. std::size_t last = waiting_threads.size(); - if (num_to_wake > 0) + if (num_to_wake > 0) { last = num_to_wake; + } // Signal the waiting threads. for (std::size_t i = 0; i < last; i++) { @@ -78,42 +37,55 @@ static void WakeThreads(std::vector<SharedPtr<Thread>>& waiting_threads, s32 num waiting_threads[i]->ResumeFromWait(); } } +} // Anonymous namespace + +AddressArbiter::AddressArbiter(Core::System& system) : system{system} {} +AddressArbiter::~AddressArbiter() = default; + +ResultCode AddressArbiter::SignalToAddress(VAddr address, SignalType type, s32 value, + s32 num_to_wake) { + switch (type) { + case SignalType::Signal: + return SignalToAddressOnly(address, num_to_wake); + case SignalType::IncrementAndSignalIfEqual: + return IncrementAndSignalToAddressIfEqual(address, value, num_to_wake); + case SignalType::ModifyByWaitingCountAndSignalIfEqual: + return ModifyByWaitingCountAndSignalToAddressIfEqual(address, value, num_to_wake); + default: + return ERR_INVALID_ENUM_VALUE; + } +} -// Signals an address being waited on. -ResultCode SignalToAddress(VAddr address, s32 num_to_wake) { - std::vector<SharedPtr<Thread>> waiting_threads = GetThreadsWaitingOnAddress(address); - +ResultCode AddressArbiter::SignalToAddressOnly(VAddr address, s32 num_to_wake) { + const std::vector<SharedPtr<Thread>> waiting_threads = GetThreadsWaitingOnAddress(address); WakeThreads(waiting_threads, num_to_wake); return RESULT_SUCCESS; } -// Signals an address being waited on and increments its value if equal to the value argument. -ResultCode IncrementAndSignalToAddressIfEqual(VAddr address, s32 value, s32 num_to_wake) { +ResultCode AddressArbiter::IncrementAndSignalToAddressIfEqual(VAddr address, s32 value, + s32 num_to_wake) { // Ensure that we can write to the address. if (!Memory::IsValidVirtualAddress(address)) { return ERR_INVALID_ADDRESS_STATE; } - if (static_cast<s32>(Memory::Read32(address)) == value) { - Memory::Write32(address, static_cast<u32>(value + 1)); - } else { + if (static_cast<s32>(Memory::Read32(address)) != value) { return ERR_INVALID_STATE; } - return SignalToAddress(address, num_to_wake); + Memory::Write32(address, static_cast<u32>(value + 1)); + return SignalToAddressOnly(address, num_to_wake); } -// Signals an address being waited on and modifies its value based on waiting thread count if equal -// to the value argument. -ResultCode ModifyByWaitingCountAndSignalToAddressIfEqual(VAddr address, s32 value, - s32 num_to_wake) { +ResultCode AddressArbiter::ModifyByWaitingCountAndSignalToAddressIfEqual(VAddr address, s32 value, + s32 num_to_wake) { // Ensure that we can write to the address. if (!Memory::IsValidVirtualAddress(address)) { return ERR_INVALID_ADDRESS_STATE; } // Get threads waiting on the address. - std::vector<SharedPtr<Thread>> waiting_threads = GetThreadsWaitingOnAddress(address); + const std::vector<SharedPtr<Thread>> waiting_threads = GetThreadsWaitingOnAddress(address); // Determine the modified value depending on the waiting count. s32 updated_value; @@ -125,41 +97,54 @@ ResultCode ModifyByWaitingCountAndSignalToAddressIfEqual(VAddr address, s32 valu updated_value = value; } - if (static_cast<s32>(Memory::Read32(address)) == value) { - Memory::Write32(address, static_cast<u32>(updated_value)); - } else { + if (static_cast<s32>(Memory::Read32(address)) != value) { return ERR_INVALID_STATE; } + Memory::Write32(address, static_cast<u32>(updated_value)); WakeThreads(waiting_threads, num_to_wake); return RESULT_SUCCESS; } -// Waits on an address if the value passed is less than the argument value, optionally decrementing. -ResultCode WaitForAddressIfLessThan(VAddr address, s32 value, s64 timeout, bool should_decrement) { +ResultCode AddressArbiter::WaitForAddress(VAddr address, ArbitrationType type, s32 value, + s64 timeout_ns) { + switch (type) { + case ArbitrationType::WaitIfLessThan: + return WaitForAddressIfLessThan(address, value, timeout_ns, false); + case ArbitrationType::DecrementAndWaitIfLessThan: + return WaitForAddressIfLessThan(address, value, timeout_ns, true); + case ArbitrationType::WaitIfEqual: + return WaitForAddressIfEqual(address, value, timeout_ns); + default: + return ERR_INVALID_ENUM_VALUE; + } +} + +ResultCode AddressArbiter::WaitForAddressIfLessThan(VAddr address, s32 value, s64 timeout, + bool should_decrement) { // Ensure that we can read the address. if (!Memory::IsValidVirtualAddress(address)) { return ERR_INVALID_ADDRESS_STATE; } - s32 cur_value = static_cast<s32>(Memory::Read32(address)); - if (cur_value < value) { - if (should_decrement) { - Memory::Write32(address, static_cast<u32>(cur_value - 1)); - } - } else { + const s32 cur_value = static_cast<s32>(Memory::Read32(address)); + if (cur_value >= value) { return ERR_INVALID_STATE; } + + if (should_decrement) { + Memory::Write32(address, static_cast<u32>(cur_value - 1)); + } + // Short-circuit without rescheduling, if timeout is zero. if (timeout == 0) { return RESULT_TIMEOUT; } - return WaitForAddress(address, timeout); + return WaitForAddressImpl(address, timeout); } -// Waits on an address if the value passed is equal to the argument value. -ResultCode WaitForAddressIfEqual(VAddr address, s32 value, s64 timeout) { +ResultCode AddressArbiter::WaitForAddressIfEqual(VAddr address, s32 value, s64 timeout) { // Ensure that we can read the address. if (!Memory::IsValidVirtualAddress(address)) { return ERR_INVALID_ADDRESS_STATE; @@ -173,6 +158,48 @@ ResultCode WaitForAddressIfEqual(VAddr address, s32 value, s64 timeout) { return RESULT_TIMEOUT; } - return WaitForAddress(address, timeout); + return WaitForAddressImpl(address, timeout); +} + +ResultCode AddressArbiter::WaitForAddressImpl(VAddr address, s64 timeout) { + SharedPtr<Thread> current_thread = system.CurrentScheduler().GetCurrentThread(); + current_thread->SetArbiterWaitAddress(address); + current_thread->SetStatus(ThreadStatus::WaitArb); + current_thread->InvalidateWakeupCallback(); + + current_thread->WakeAfterDelay(timeout); + + system.CpuCore(current_thread->GetProcessorID()).PrepareReschedule(); + return RESULT_TIMEOUT; +} + +std::vector<SharedPtr<Thread>> AddressArbiter::GetThreadsWaitingOnAddress(VAddr address) const { + const auto RetrieveWaitingThreads = [this](std::size_t core_index, + std::vector<SharedPtr<Thread>>& waiting_threads, + VAddr arb_addr) { + const auto& scheduler = system.Scheduler(core_index); + const auto& thread_list = scheduler.GetThreadList(); + + for (const auto& thread : thread_list) { + if (thread->GetArbiterWaitAddress() == arb_addr) { + waiting_threads.push_back(thread); + } + } + }; + + // Retrieve all threads that are waiting for this address. + std::vector<SharedPtr<Thread>> threads; + RetrieveWaitingThreads(0, threads, address); + RetrieveWaitingThreads(1, threads, address); + RetrieveWaitingThreads(2, threads, address); + RetrieveWaitingThreads(3, threads, address); + + // Sort them by priority, such that the highest priority ones come first. + std::sort(threads.begin(), threads.end(), + [](const SharedPtr<Thread>& lhs, const SharedPtr<Thread>& rhs) { + return lhs->GetPriority() < rhs->GetPriority(); + }); + + return threads; } -} // namespace Kernel::AddressArbiter +} // namespace Kernel diff --git a/src/core/hle/kernel/address_arbiter.h b/src/core/hle/kernel/address_arbiter.h index b58f21bec..ed0d0e69f 100644 --- a/src/core/hle/kernel/address_arbiter.h +++ b/src/core/hle/kernel/address_arbiter.h @@ -4,29 +4,77 @@ #pragma once +#include <vector> + #include "common/common_types.h" +#include "core/hle/kernel/object.h" union ResultCode; -namespace Kernel::AddressArbiter { +namespace Core { +class System; +} -enum class ArbitrationType { - WaitIfLessThan = 0, - DecrementAndWaitIfLessThan = 1, - WaitIfEqual = 2, -}; +namespace Kernel { -enum class SignalType { - Signal = 0, - IncrementAndSignalIfEqual = 1, - ModifyByWaitingCountAndSignalIfEqual = 2, -}; +class Thread; + +class AddressArbiter { +public: + enum class ArbitrationType { + WaitIfLessThan = 0, + DecrementAndWaitIfLessThan = 1, + WaitIfEqual = 2, + }; + + enum class SignalType { + Signal = 0, + IncrementAndSignalIfEqual = 1, + ModifyByWaitingCountAndSignalIfEqual = 2, + }; + + explicit AddressArbiter(Core::System& system); + ~AddressArbiter(); + + AddressArbiter(const AddressArbiter&) = delete; + AddressArbiter& operator=(const AddressArbiter&) = delete; + + AddressArbiter(AddressArbiter&&) = default; + AddressArbiter& operator=(AddressArbiter&&) = delete; + + /// Signals an address being waited on with a particular signaling type. + ResultCode SignalToAddress(VAddr address, SignalType type, s32 value, s32 num_to_wake); -ResultCode SignalToAddress(VAddr address, s32 num_to_wake); -ResultCode IncrementAndSignalToAddressIfEqual(VAddr address, s32 value, s32 num_to_wake); -ResultCode ModifyByWaitingCountAndSignalToAddressIfEqual(VAddr address, s32 value, s32 num_to_wake); + /// Waits on an address with a particular arbitration type. + ResultCode WaitForAddress(VAddr address, ArbitrationType type, s32 value, s64 timeout_ns); -ResultCode WaitForAddressIfLessThan(VAddr address, s32 value, s64 timeout, bool should_decrement); -ResultCode WaitForAddressIfEqual(VAddr address, s32 value, s64 timeout); +private: + /// Signals an address being waited on. + ResultCode SignalToAddressOnly(VAddr address, s32 num_to_wake); + + /// Signals an address being waited on and increments its value if equal to the value argument. + ResultCode IncrementAndSignalToAddressIfEqual(VAddr address, s32 value, s32 num_to_wake); + + /// Signals an address being waited on and modifies its value based on waiting thread count if + /// equal to the value argument. + ResultCode ModifyByWaitingCountAndSignalToAddressIfEqual(VAddr address, s32 value, + s32 num_to_wake); + + /// Waits on an address if the value passed is less than the argument value, + /// optionally decrementing. + ResultCode WaitForAddressIfLessThan(VAddr address, s32 value, s64 timeout, + bool should_decrement); + + /// Waits on an address if the value passed is equal to the argument value. + ResultCode WaitForAddressIfEqual(VAddr address, s32 value, s64 timeout); + + // Waits on the given address with a timeout in nanoseconds + ResultCode WaitForAddressImpl(VAddr address, s64 timeout); + + // Gets the threads waiting on an address. + std::vector<SharedPtr<Thread>> GetThreadsWaitingOnAddress(VAddr address) const; + + Core::System& system; +}; -} // namespace Kernel::AddressArbiter +} // namespace Kernel diff --git a/src/core/hle/kernel/client_port.cpp b/src/core/hle/kernel/client_port.cpp index d4c91d529..aa432658e 100644 --- a/src/core/hle/kernel/client_port.cpp +++ b/src/core/hle/kernel/client_port.cpp @@ -33,10 +33,11 @@ ResultVal<SharedPtr<ClientSession>> ClientPort::Connect() { // Create a new session pair, let the created sessions inherit the parent port's HLE handler. auto sessions = ServerSession::CreateSessionPair(kernel, server_port->GetName(), this); - if (server_port->hle_handler) - server_port->hle_handler->ClientConnected(std::get<SharedPtr<ServerSession>>(sessions)); - else - server_port->pending_sessions.push_back(std::get<SharedPtr<ServerSession>>(sessions)); + if (server_port->HasHLEHandler()) { + server_port->GetHLEHandler()->ClientConnected(std::get<SharedPtr<ServerSession>>(sessions)); + } else { + server_port->AppendPendingSession(std::get<SharedPtr<ServerSession>>(sessions)); + } // Wake the threads waiting on the ServerPort server_port->WakeupAllWaitingThreads(); diff --git a/src/core/hle/kernel/client_session.cpp b/src/core/hle/kernel/client_session.cpp index 704e82824..c17baa50a 100644 --- a/src/core/hle/kernel/client_session.cpp +++ b/src/core/hle/kernel/client_session.cpp @@ -17,21 +17,11 @@ ClientSession::~ClientSession() { // This destructor will be called automatically when the last ClientSession handle is closed by // the emulated application. - // Local references to ServerSession and SessionRequestHandler are necessary to guarantee they + // A local reference to the ServerSession is necessary to guarantee it // will be kept alive until after ClientDisconnected() returns. SharedPtr<ServerSession> server = parent->server; if (server) { - std::shared_ptr<SessionRequestHandler> hle_handler = server->hle_handler; - if (hle_handler) - hle_handler->ClientDisconnected(server); - - // TODO(Subv): Force a wake up of all the ServerSession's waiting threads and set - // their WaitSynchronization result to 0xC920181A. - - // Clean up the list of client threads with pending requests, they are unneeded now that the - // client endpoint is closed. - server->pending_requesting_threads.clear(); - server->currently_handling = nullptr; + server->ClientDisconnected(); } parent->client = nullptr; diff --git a/src/core/hle/kernel/client_session.h b/src/core/hle/kernel/client_session.h index 4c18de69c..b1f39aad7 100644 --- a/src/core/hle/kernel/client_session.h +++ b/src/core/hle/kernel/client_session.h @@ -36,14 +36,15 @@ public: ResultCode SendSyncRequest(SharedPtr<Thread> thread); - std::string name; ///< Name of client port (optional) +private: + explicit ClientSession(KernelCore& kernel); + ~ClientSession() override; /// The parent session, which links to the server endpoint. std::shared_ptr<Session> parent; -private: - explicit ClientSession(KernelCore& kernel); - ~ClientSession() override; + /// Name of the client session (optional) + std::string name; }; } // namespace Kernel diff --git a/src/core/hle/kernel/code_set.cpp b/src/core/hle/kernel/code_set.cpp new file mode 100644 index 000000000..1f434e9af --- /dev/null +++ b/src/core/hle/kernel/code_set.cpp @@ -0,0 +1,12 @@ +// Copyright 2019 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "core/hle/kernel/code_set.h" + +namespace Kernel { + +CodeSet::CodeSet() = default; +CodeSet::~CodeSet() = default; + +} // namespace Kernel diff --git a/src/core/hle/kernel/code_set.h b/src/core/hle/kernel/code_set.h new file mode 100644 index 000000000..834fd23d2 --- /dev/null +++ b/src/core/hle/kernel/code_set.h @@ -0,0 +1,90 @@ +// Copyright 2019 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <cstddef> +#include <memory> +#include <vector> + +#include "common/common_types.h" + +namespace Kernel { + +/** + * Represents executable data that may be loaded into a kernel process. + * + * A code set consists of three basic segments: + * - A code (AKA text) segment, + * - A read-only data segment (rodata) + * - A data segment + * + * The code segment is the portion of the object file that contains + * executable instructions. + * + * The read-only data segment in the portion of the object file that + * contains (as one would expect) read-only data, such as fixed constant + * values and data structures. + * + * The data segment is similar to the read-only data segment -- it contains + * variables and data structures that have predefined values, however, + * entities within this segment can be modified. + */ +struct CodeSet final { + /// A single segment within a code set. + struct Segment final { + /// The byte offset that this segment is located at. + std::size_t offset = 0; + + /// The address to map this segment to. + VAddr addr = 0; + + /// The size of this segment in bytes. + u32 size = 0; + }; + + explicit CodeSet(); + ~CodeSet(); + + CodeSet(const CodeSet&) = delete; + CodeSet& operator=(const CodeSet&) = delete; + + CodeSet(CodeSet&&) = default; + CodeSet& operator=(CodeSet&&) = default; + + Segment& CodeSegment() { + return segments[0]; + } + + const Segment& CodeSegment() const { + return segments[0]; + } + + Segment& RODataSegment() { + return segments[1]; + } + + const Segment& RODataSegment() const { + return segments[1]; + } + + Segment& DataSegment() { + return segments[2]; + } + + const Segment& DataSegment() const { + return segments[2]; + } + + /// The overall data that backs this code set. + std::shared_ptr<std::vector<u8>> memory; + + /// The segments that comprise this code set. + std::array<Segment, 3> segments; + + /// The entry point address for this code set. + VAddr entrypoint = 0; +}; + +} // namespace Kernel diff --git a/src/core/hle/kernel/hle_ipc.cpp b/src/core/hle/kernel/hle_ipc.cpp index 5dd855db8..fe710eb6e 100644 --- a/src/core/hle/kernel/hle_ipc.cpp +++ b/src/core/hle/kernel/hle_ipc.cpp @@ -86,7 +86,7 @@ HLERequestContext::~HLERequestContext() = default; void HLERequestContext::ParseCommandBuffer(const HandleTable& handle_table, u32_le* src_cmdbuf, bool incoming) { IPC::RequestParser rp(src_cmdbuf); - command_header = std::make_shared<IPC::CommandHeader>(rp.PopRaw<IPC::CommandHeader>()); + command_header = rp.PopRaw<IPC::CommandHeader>(); if (command_header->type == IPC::CommandType::Close) { // Close does not populate the rest of the IPC header @@ -95,8 +95,7 @@ void HLERequestContext::ParseCommandBuffer(const HandleTable& handle_table, u32_ // If handle descriptor is present, add size of it if (command_header->enable_handle_descriptor) { - handle_descriptor_header = - std::make_shared<IPC::HandleDescriptorHeader>(rp.PopRaw<IPC::HandleDescriptorHeader>()); + handle_descriptor_header = rp.PopRaw<IPC::HandleDescriptorHeader>(); if (handle_descriptor_header->send_current_pid) { rp.Skip(2, false); } @@ -140,16 +139,15 @@ void HLERequestContext::ParseCommandBuffer(const HandleTable& handle_table, u32_ // If this is an incoming message, only CommandType "Request" has a domain header // All outgoing domain messages have the domain header, if only incoming has it if (incoming || domain_message_header) { - domain_message_header = - std::make_shared<IPC::DomainMessageHeader>(rp.PopRaw<IPC::DomainMessageHeader>()); + domain_message_header = rp.PopRaw<IPC::DomainMessageHeader>(); } else { - if (Session()->IsDomain()) + if (Session()->IsDomain()) { LOG_WARNING(IPC, "Domain request has no DomainMessageHeader!"); + } } } - data_payload_header = - std::make_shared<IPC::DataPayloadHeader>(rp.PopRaw<IPC::DataPayloadHeader>()); + data_payload_header = rp.PopRaw<IPC::DataPayloadHeader>(); data_payload_offset = rp.GetCurrentOffset(); @@ -264,11 +262,11 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(Thread& thread) { // Write the domain objects to the command buffer, these go after the raw untranslated data. // TODO(Subv): This completely ignores C buffers. std::size_t domain_offset = size - domain_message_header->num_objects; - auto& request_handlers = server_session->domain_request_handlers; - for (auto& object : domain_objects) { - request_handlers.emplace_back(object); - dst_cmdbuf[domain_offset++] = static_cast<u32_le>(request_handlers.size()); + for (const auto& object : domain_objects) { + server_session->AppendDomainRequestHandler(object); + dst_cmdbuf[domain_offset++] = + static_cast<u32_le>(server_session->NumDomainRequestHandlers()); } } diff --git a/src/core/hle/kernel/hle_ipc.h b/src/core/hle/kernel/hle_ipc.h index cb1c5aff3..2bdd9f02c 100644 --- a/src/core/hle/kernel/hle_ipc.h +++ b/src/core/hle/kernel/hle_ipc.h @@ -6,6 +6,7 @@ #include <array> #include <memory> +#include <optional> #include <string> #include <type_traits> #include <vector> @@ -15,6 +16,8 @@ #include "core/hle/ipc.h" #include "core/hle/kernel/object.h" +union ResultCode; + namespace Service { class ServiceFrameworkBase; } @@ -166,12 +169,12 @@ public: return buffer_c_desciptors; } - const IPC::DomainMessageHeader* GetDomainMessageHeader() const { - return domain_message_header.get(); + const IPC::DomainMessageHeader& GetDomainMessageHeader() const { + return domain_message_header.value(); } bool HasDomainMessageHeader() const { - return domain_message_header != nullptr; + return domain_message_header.has_value(); } /// Helper function to read a buffer using the appropriate buffer descriptor @@ -208,14 +211,12 @@ public: template <typename T> SharedPtr<T> GetCopyObject(std::size_t index) { - ASSERT(index < copy_objects.size()); - return DynamicObjectCast<T>(copy_objects[index]); + return DynamicObjectCast<T>(copy_objects.at(index)); } template <typename T> SharedPtr<T> GetMoveObject(std::size_t index) { - ASSERT(index < move_objects.size()); - return DynamicObjectCast<T>(move_objects[index]); + return DynamicObjectCast<T>(move_objects.at(index)); } void AddMoveObject(SharedPtr<Object> object) { @@ -232,7 +233,7 @@ public: template <typename T> std::shared_ptr<T> GetDomainRequestHandler(std::size_t index) const { - return std::static_pointer_cast<T>(domain_request_handlers[index]); + return std::static_pointer_cast<T>(domain_request_handlers.at(index)); } void SetDomainRequestHandlers( @@ -272,10 +273,10 @@ private: boost::container::small_vector<SharedPtr<Object>, 8> copy_objects; boost::container::small_vector<std::shared_ptr<SessionRequestHandler>, 8> domain_objects; - std::shared_ptr<IPC::CommandHeader> command_header; - std::shared_ptr<IPC::HandleDescriptorHeader> handle_descriptor_header; - std::shared_ptr<IPC::DataPayloadHeader> data_payload_header; - std::shared_ptr<IPC::DomainMessageHeader> domain_message_header; + std::optional<IPC::CommandHeader> command_header; + std::optional<IPC::HandleDescriptorHeader> handle_descriptor_header; + std::optional<IPC::DataPayloadHeader> data_payload_header; + std::optional<IPC::DomainMessageHeader> domain_message_header; std::vector<IPC::BufferDescriptorX> buffer_x_desciptors; std::vector<IPC::BufferDescriptorABW> buffer_a_desciptors; std::vector<IPC::BufferDescriptorABW> buffer_b_desciptors; diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index dd749eed4..4d224d01d 100644 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -12,6 +12,7 @@ #include "core/core.h" #include "core/core_timing.h" +#include "core/hle/kernel/address_arbiter.h" #include "core/hle/kernel/client_port.h" #include "core/hle/kernel/handle_table.h" #include "core/hle/kernel/kernel.h" @@ -86,11 +87,13 @@ static void ThreadWakeupCallback(u64 thread_handle, [[maybe_unused]] int cycles_ } struct KernelCore::Impl { - void Initialize(KernelCore& kernel, Core::Timing::CoreTiming& core_timing) { + explicit Impl(Core::System& system) : system{system} {} + + void Initialize(KernelCore& kernel) { Shutdown(); InitializeSystemResourceLimit(kernel); - InitializeThreads(core_timing); + InitializeThreads(); } void Shutdown() { @@ -122,9 +125,9 @@ struct KernelCore::Impl { ASSERT(system_resource_limit->SetLimitValue(ResourceType::Sessions, 900).IsSuccess()); } - void InitializeThreads(Core::Timing::CoreTiming& core_timing) { + void InitializeThreads() { thread_wakeup_event_type = - core_timing.RegisterEvent("ThreadWakeupCallback", ThreadWakeupCallback); + system.CoreTiming().RegisterEvent("ThreadWakeupCallback", ThreadWakeupCallback); } std::atomic<u32> next_object_id{0}; @@ -145,15 +148,18 @@ struct KernelCore::Impl { /// Map of named ports managed by the kernel, which can be retrieved using /// the ConnectToPort SVC. NamedPortTable named_ports; + + // System context + Core::System& system; }; -KernelCore::KernelCore() : impl{std::make_unique<Impl>()} {} +KernelCore::KernelCore(Core::System& system) : impl{std::make_unique<Impl>(system)} {} KernelCore::~KernelCore() { Shutdown(); } -void KernelCore::Initialize(Core::Timing::CoreTiming& core_timing) { - impl->Initialize(*this, core_timing); +void KernelCore::Initialize() { + impl->Initialize(*this); } void KernelCore::Shutdown() { diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h index 154bced42..ff17ff865 100644 --- a/src/core/hle/kernel/kernel.h +++ b/src/core/hle/kernel/kernel.h @@ -11,6 +11,10 @@ template <typename T> class ResultVal; +namespace Core { +class System; +} + namespace Core::Timing { class CoreTiming; struct EventType; @@ -18,6 +22,7 @@ struct EventType; namespace Kernel { +class AddressArbiter; class ClientPort; class HandleTable; class Process; @@ -30,7 +35,14 @@ private: using NamedPortTable = std::unordered_map<std::string, SharedPtr<ClientPort>>; public: - KernelCore(); + /// Constructs an instance of the kernel using the given System + /// instance as a context for any necessary system-related state, + /// such as threads, CPU core state, etc. + /// + /// @post After execution of the constructor, the provided System + /// object *must* outlive the kernel instance itself. + /// + explicit KernelCore(Core::System& system); ~KernelCore(); KernelCore(const KernelCore&) = delete; @@ -40,11 +52,7 @@ public: KernelCore& operator=(KernelCore&&) = delete; /// Resets the kernel to a clean slate for use. - /// - /// @param core_timing CoreTiming instance used to create any necessary - /// kernel-specific callback events. - /// - void Initialize(Core::Timing::CoreTiming& core_timing); + void Initialize(); /// Clears all resources in use by the kernel instance. void Shutdown(); diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp index 8009150e0..15a16ae14 100644 --- a/src/core/hle/kernel/process.cpp +++ b/src/core/hle/kernel/process.cpp @@ -9,6 +9,7 @@ #include "common/logging/log.h" #include "core/core.h" #include "core/file_sys/program_metadata.h" +#include "core/hle/kernel/code_set.h" #include "core/hle/kernel/errors.h" #include "core/hle/kernel/kernel.h" #include "core/hle/kernel/process.h" @@ -31,7 +32,7 @@ namespace { */ void SetupMainThread(Process& owner_process, KernelCore& kernel, VAddr entry_point, u32 priority) { // Setup page table so we can write to memory - SetCurrentPageTable(&owner_process.VMManager().page_table); + Memory::SetCurrentPageTable(&owner_process.VMManager().page_table); // Initialize new "main" thread const VAddr stack_top = owner_process.VMManager().GetTLSIORegionEndAddress(); @@ -50,12 +51,10 @@ void SetupMainThread(Process& owner_process, KernelCore& kernel, VAddr entry_poi } } // Anonymous namespace -CodeSet::CodeSet() = default; -CodeSet::~CodeSet() = default; - -SharedPtr<Process> Process::Create(KernelCore& kernel, std::string&& name) { - SharedPtr<Process> process(new Process(kernel)); +SharedPtr<Process> Process::Create(Core::System& system, std::string&& name) { + auto& kernel = system.Kernel(); + SharedPtr<Process> process(new Process(system)); process->name = std::move(name); process->resource_limit = kernel.GetSystemResourceLimit(); process->status = ProcessStatus::Created; @@ -132,7 +131,7 @@ void Process::PrepareForTermination() { if (thread->GetOwnerProcess() != this) continue; - if (thread == GetCurrentThread()) + if (thread == system.CurrentScheduler().GetCurrentThread()) continue; // TODO(Subv): When are the other running/ready threads terminated? @@ -144,7 +143,6 @@ void Process::PrepareForTermination() { } }; - const auto& system = Core::System::GetInstance(); stop_threads(system.Scheduler(0).GetThreadList()); stop_threads(system.Scheduler(1).GetThreadList()); stop_threads(system.Scheduler(2).GetThreadList()); @@ -212,7 +210,7 @@ void Process::FreeTLSSlot(VAddr tls_address) { } void Process::LoadModule(CodeSet module_, VAddr base_addr) { - const auto MapSegment = [&](CodeSet::Segment& segment, VMAPermission permissions, + const auto MapSegment = [&](const CodeSet::Segment& segment, VMAPermission permissions, MemoryState memory_state) { const auto vma = vm_manager .MapMemoryBlock(segment.addr + base_addr, module_.memory, @@ -227,14 +225,12 @@ void Process::LoadModule(CodeSet module_, VAddr base_addr) { MapSegment(module_.DataSegment(), VMAPermission::ReadWrite, MemoryState::CodeMutable); // Clear instruction cache in CPU JIT - Core::System::GetInstance().ArmInterface(0).ClearInstructionCache(); - Core::System::GetInstance().ArmInterface(1).ClearInstructionCache(); - Core::System::GetInstance().ArmInterface(2).ClearInstructionCache(); - Core::System::GetInstance().ArmInterface(3).ClearInstructionCache(); + system.InvalidateCpuInstructionCaches(); } -Kernel::Process::Process(KernelCore& kernel) : WaitObject{kernel} {} -Kernel::Process::~Process() {} +Process::Process(Core::System& system) + : WaitObject{system.Kernel()}, address_arbiter{system}, system{system} {} +Process::~Process() = default; void Process::Acquire(Thread* thread) { ASSERT_MSG(!ShouldWait(thread), "Object unavailable!"); diff --git a/src/core/hle/kernel/process.h b/src/core/hle/kernel/process.h index dcc57ae9f..3ae7c922c 100644 --- a/src/core/hle/kernel/process.h +++ b/src/core/hle/kernel/process.h @@ -7,17 +7,21 @@ #include <array> #include <bitset> #include <cstddef> -#include <memory> #include <string> #include <vector> #include <boost/container/static_vector.hpp> #include "common/common_types.h" +#include "core/hle/kernel/address_arbiter.h" #include "core/hle/kernel/handle_table.h" #include "core/hle/kernel/process_capability.h" #include "core/hle/kernel/vm_manager.h" #include "core/hle/kernel/wait_object.h" #include "core/hle/result.h" +namespace Core { +class System; +} + namespace FileSys { class ProgramMetadata; } @@ -28,6 +32,8 @@ class KernelCore; class ResourceLimit; class Thread; +struct CodeSet; + struct AddressMapping { // Address and size must be page-aligned VAddr address; @@ -60,46 +66,6 @@ enum class ProcessStatus { DebugBreak, }; -struct CodeSet final { - struct Segment { - std::size_t offset = 0; - VAddr addr = 0; - u32 size = 0; - }; - - explicit CodeSet(); - ~CodeSet(); - - Segment& CodeSegment() { - return segments[0]; - } - - const Segment& CodeSegment() const { - return segments[0]; - } - - Segment& RODataSegment() { - return segments[1]; - } - - const Segment& RODataSegment() const { - return segments[1]; - } - - Segment& DataSegment() { - return segments[2]; - } - - const Segment& DataSegment() const { - return segments[2]; - } - - std::shared_ptr<std::vector<u8>> memory; - - std::array<Segment, 3> segments; - VAddr entrypoint = 0; -}; - class Process final : public WaitObject { public: enum : u64 { @@ -116,7 +82,7 @@ public: static constexpr std::size_t RANDOM_ENTROPY_SIZE = 4; - static SharedPtr<Process> Create(KernelCore& kernel, std::string&& name); + static SharedPtr<Process> Create(Core::System& system, std::string&& name); std::string GetTypeName() const override { return "Process"; @@ -150,6 +116,16 @@ public: return handle_table; } + /// Gets a reference to the process' address arbiter. + AddressArbiter& GetAddressArbiter() { + return address_arbiter; + } + + /// Gets a const reference to the process' address arbiter. + const AddressArbiter& GetAddressArbiter() const { + return address_arbiter; + } + /// Gets the current status of the process ProcessStatus GetStatus() const { return status; @@ -251,7 +227,7 @@ public: void FreeTLSSlot(VAddr tls_address); private: - explicit Process(KernelCore& kernel); + explicit Process(Core::System& system); ~Process() override; /// Checks if the specified thread should wait until this process is available. @@ -309,9 +285,16 @@ private: /// Per-process handle table for storing created object handles in. HandleTable handle_table; + /// Per-process address arbiter. + AddressArbiter address_arbiter; + /// Random values for svcGetInfo RandomEntropy std::array<u64, RANDOM_ENTROPY_SIZE> random_entropy; + /// System context + Core::System& system; + + /// Name of this process std::string name; }; diff --git a/src/core/hle/kernel/scheduler.cpp b/src/core/hle/kernel/scheduler.cpp index 44f30d070..cc189cc64 100644 --- a/src/core/hle/kernel/scheduler.cpp +++ b/src/core/hle/kernel/scheduler.cpp @@ -19,7 +19,8 @@ namespace Kernel { std::mutex Scheduler::scheduler_mutex; -Scheduler::Scheduler(Core::ARM_Interface& cpu_core) : cpu_core(cpu_core) {} +Scheduler::Scheduler(Core::System& system, Core::ARM_Interface& cpu_core) + : cpu_core{cpu_core}, system{system} {} Scheduler::~Scheduler() { for (auto& thread : thread_list) { @@ -61,7 +62,7 @@ Thread* Scheduler::PopNextReadyThread() { void Scheduler::SwitchContext(Thread* new_thread) { Thread* const previous_thread = GetCurrentThread(); - Process* const previous_process = Core::CurrentProcess(); + Process* const previous_process = system.Kernel().CurrentProcess(); UpdateLastContextSwitchTime(previous_thread, previous_process); @@ -94,8 +95,8 @@ void Scheduler::SwitchContext(Thread* new_thread) { auto* const thread_owner_process = current_thread->GetOwnerProcess(); if (previous_process != thread_owner_process) { - Core::System::GetInstance().Kernel().MakeCurrentProcess(thread_owner_process); - SetCurrentPageTable(&Core::CurrentProcess()->VMManager().page_table); + system.Kernel().MakeCurrentProcess(thread_owner_process); + Memory::SetCurrentPageTable(&thread_owner_process->VMManager().page_table); } cpu_core.LoadContext(new_thread->GetContext()); @@ -111,7 +112,7 @@ void Scheduler::SwitchContext(Thread* new_thread) { void Scheduler::UpdateLastContextSwitchTime(Thread* thread, Process* process) { const u64 prev_switch_ticks = last_context_switch_time; - const u64 most_recent_switch_ticks = Core::System::GetInstance().CoreTiming().GetTicks(); + const u64 most_recent_switch_ticks = system.CoreTiming().GetTicks(); const u64 update_ticks = most_recent_switch_ticks - prev_switch_ticks; if (thread != nullptr) { @@ -198,8 +199,7 @@ void Scheduler::YieldWithoutLoadBalancing(Thread* thread) { ASSERT(thread->GetPriority() < THREADPRIO_COUNT); // Yield this thread -- sleep for zero time and force reschedule to different thread - WaitCurrentThread_Sleep(); - GetCurrentThread()->WakeAfterDelay(0); + GetCurrentThread()->Sleep(0); } void Scheduler::YieldWithLoadBalancing(Thread* thread) { @@ -214,8 +214,7 @@ void Scheduler::YieldWithLoadBalancing(Thread* thread) { ASSERT(priority < THREADPRIO_COUNT); // Sleep for zero time to be able to force reschedule to different thread - WaitCurrentThread_Sleep(); - GetCurrentThread()->WakeAfterDelay(0); + GetCurrentThread()->Sleep(0); Thread* suggested_thread = nullptr; @@ -223,8 +222,7 @@ void Scheduler::YieldWithLoadBalancing(Thread* thread) { // Take the first non-nullptr one for (unsigned cur_core = 0; cur_core < Core::NUM_CPU_CORES; ++cur_core) { const auto res = - Core::System::GetInstance().CpuCore(cur_core).Scheduler().GetNextSuggestedThread( - core, priority); + system.CpuCore(cur_core).Scheduler().GetNextSuggestedThread(core, priority); // If scheduler provides a suggested thread if (res != nullptr) { diff --git a/src/core/hle/kernel/scheduler.h b/src/core/hle/kernel/scheduler.h index 97ced4dfc..1c5bf57d9 100644 --- a/src/core/hle/kernel/scheduler.h +++ b/src/core/hle/kernel/scheduler.h @@ -13,7 +13,8 @@ namespace Core { class ARM_Interface; -} +class System; +} // namespace Core namespace Kernel { @@ -21,7 +22,7 @@ class Process; class Scheduler final { public: - explicit Scheduler(Core::ARM_Interface& cpu_core); + explicit Scheduler(Core::System& system, Core::ARM_Interface& cpu_core); ~Scheduler(); /// Returns whether there are any threads that are ready to run. @@ -162,6 +163,7 @@ private: Core::ARM_Interface& cpu_core; u64 last_context_switch_time = 0; + Core::System& system; static std::mutex scheduler_mutex; }; diff --git a/src/core/hle/kernel/server_port.cpp b/src/core/hle/kernel/server_port.cpp index d6ceeb2da..0e1515c89 100644 --- a/src/core/hle/kernel/server_port.cpp +++ b/src/core/hle/kernel/server_port.cpp @@ -26,6 +26,10 @@ ResultVal<SharedPtr<ServerSession>> ServerPort::Accept() { return MakeResult(std::move(session)); } +void ServerPort::AppendPendingSession(SharedPtr<ServerSession> pending_session) { + pending_sessions.push_back(std::move(pending_session)); +} + bool ServerPort::ShouldWait(Thread* thread) const { // If there are no pending sessions, we wait until a new one is added. return pending_sessions.empty(); diff --git a/src/core/hle/kernel/server_port.h b/src/core/hle/kernel/server_port.h index e52f8245f..9bc667cf2 100644 --- a/src/core/hle/kernel/server_port.h +++ b/src/core/hle/kernel/server_port.h @@ -22,6 +22,8 @@ class SessionRequestHandler; class ServerPort final : public WaitObject { public: + using HLEHandler = std::shared_ptr<SessionRequestHandler>; + /** * Creates a pair of ServerPort and an associated ClientPort. * @@ -51,22 +53,27 @@ public: */ ResultVal<SharedPtr<ServerSession>> Accept(); + /// Whether or not this server port has an HLE handler available. + bool HasHLEHandler() const { + return hle_handler != nullptr; + } + + /// Gets the HLE handler for this port. + HLEHandler GetHLEHandler() const { + return hle_handler; + } + /** * Sets the HLE handler template for the port. ServerSessions crated by connecting to this port * will inherit a reference to this handler. */ - void SetHleHandler(std::shared_ptr<SessionRequestHandler> hle_handler_) { + void SetHleHandler(HLEHandler hle_handler_) { hle_handler = std::move(hle_handler_); } - std::string name; ///< Name of port (optional) - - /// ServerSessions waiting to be accepted by the port - std::vector<SharedPtr<ServerSession>> pending_sessions; - - /// This session's HLE request handler template (optional) - /// ServerSessions created from this port inherit a reference to this handler. - std::shared_ptr<SessionRequestHandler> hle_handler; + /// Appends a ServerSession to the collection of ServerSessions + /// waiting to be accepted by this port. + void AppendPendingSession(SharedPtr<ServerSession> pending_session); bool ShouldWait(Thread* thread) const override; void Acquire(Thread* thread) override; @@ -74,6 +81,16 @@ public: private: explicit ServerPort(KernelCore& kernel); ~ServerPort() override; + + /// ServerSessions waiting to be accepted by the port + std::vector<SharedPtr<ServerSession>> pending_sessions; + + /// This session's HLE request handler template (optional) + /// ServerSessions created from this port inherit a reference to this handler. + HLEHandler hle_handler; + + /// Name of the port (optional) + std::string name; }; } // namespace Kernel diff --git a/src/core/hle/kernel/server_session.cpp b/src/core/hle/kernel/server_session.cpp index 027434f92..4d8a337a7 100644 --- a/src/core/hle/kernel/server_session.cpp +++ b/src/core/hle/kernel/server_session.cpp @@ -63,42 +63,71 @@ void ServerSession::Acquire(Thread* thread) { pending_requesting_threads.pop_back(); } +void ServerSession::ClientDisconnected() { + // We keep a shared pointer to the hle handler to keep it alive throughout + // the call to ClientDisconnected, as ClientDisconnected invalidates the + // hle_handler member itself during the course of the function executing. + std::shared_ptr<SessionRequestHandler> handler = hle_handler; + if (handler) { + // Note that after this returns, this server session's hle_handler is + // invalidated (set to null). + handler->ClientDisconnected(this); + } + + // TODO(Subv): Force a wake up of all the ServerSession's waiting threads and set + // their WaitSynchronization result to 0xC920181A. + + // Clean up the list of client threads with pending requests, they are unneeded now that the + // client endpoint is closed. + pending_requesting_threads.clear(); + currently_handling = nullptr; +} + +void ServerSession::AppendDomainRequestHandler(std::shared_ptr<SessionRequestHandler> handler) { + domain_request_handlers.push_back(std::move(handler)); +} + +std::size_t ServerSession::NumDomainRequestHandlers() const { + return domain_request_handlers.size(); +} + ResultCode ServerSession::HandleDomainSyncRequest(Kernel::HLERequestContext& context) { - auto* const domain_message_header = context.GetDomainMessageHeader(); - if (domain_message_header) { - // Set domain handlers in HLE context, used for domain objects (IPC interfaces) as inputs - context.SetDomainRequestHandlers(domain_request_handlers); - - // If there is a DomainMessageHeader, then this is CommandType "Request" - const u32 object_id{context.GetDomainMessageHeader()->object_id}; - switch (domain_message_header->command) { - case IPC::DomainMessageHeader::CommandType::SendMessage: - if (object_id > domain_request_handlers.size()) { - LOG_CRITICAL(IPC, - "object_id {} is too big! This probably means a recent service call " - "to {} needed to return a new interface!", - object_id, name); - UNREACHABLE(); - return RESULT_SUCCESS; // Ignore error if asserts are off - } - return domain_request_handlers[object_id - 1]->HandleSyncRequest(context); - - case IPC::DomainMessageHeader::CommandType::CloseVirtualHandle: { - LOG_DEBUG(IPC, "CloseVirtualHandle, object_id=0x{:08X}", object_id); - - domain_request_handlers[object_id - 1] = nullptr; - - IPC::ResponseBuilder rb{context, 2}; - rb.Push(RESULT_SUCCESS); - return RESULT_SUCCESS; - } + if (!context.HasDomainMessageHeader()) { + return RESULT_SUCCESS; + } + + // Set domain handlers in HLE context, used for domain objects (IPC interfaces) as inputs + context.SetDomainRequestHandlers(domain_request_handlers); + + // If there is a DomainMessageHeader, then this is CommandType "Request" + const auto& domain_message_header = context.GetDomainMessageHeader(); + const u32 object_id{domain_message_header.object_id}; + switch (domain_message_header.command) { + case IPC::DomainMessageHeader::CommandType::SendMessage: + if (object_id > domain_request_handlers.size()) { + LOG_CRITICAL(IPC, + "object_id {} is too big! This probably means a recent service call " + "to {} needed to return a new interface!", + object_id, name); + UNREACHABLE(); + return RESULT_SUCCESS; // Ignore error if asserts are off } + return domain_request_handlers[object_id - 1]->HandleSyncRequest(context); - LOG_CRITICAL(IPC, "Unknown domain command={}", - static_cast<int>(domain_message_header->command.Value())); - ASSERT(false); + case IPC::DomainMessageHeader::CommandType::CloseVirtualHandle: { + LOG_DEBUG(IPC, "CloseVirtualHandle, object_id=0x{:08X}", object_id); + + domain_request_handlers[object_id - 1] = nullptr; + + IPC::ResponseBuilder rb{context, 2}; + rb.Push(RESULT_SUCCESS); + return RESULT_SUCCESS; + } } + LOG_CRITICAL(IPC, "Unknown domain command={}", + static_cast<int>(domain_message_header.command.Value())); + ASSERT(false); return RESULT_SUCCESS; } diff --git a/src/core/hle/kernel/server_session.h b/src/core/hle/kernel/server_session.h index e0e9d64c8..aea4ccfeb 100644 --- a/src/core/hle/kernel/server_session.h +++ b/src/core/hle/kernel/server_session.h @@ -46,6 +46,14 @@ public: return HANDLE_TYPE; } + Session* GetParent() { + return parent.get(); + } + + const Session* GetParent() const { + return parent.get(); + } + using SessionPair = std::tuple<SharedPtr<ServerSession>, SharedPtr<ClientSession>>; /** @@ -78,23 +86,16 @@ public: void Acquire(Thread* thread) override; - std::string name; ///< The name of this session (optional) - std::shared_ptr<Session> parent; ///< The parent session, which links to the client endpoint. - std::shared_ptr<SessionRequestHandler> - hle_handler; ///< This session's HLE request handler (applicable when not a domain) + /// Called when a client disconnection occurs. + void ClientDisconnected(); - /// This is the list of domain request handlers (after conversion to a domain) - std::vector<std::shared_ptr<SessionRequestHandler>> domain_request_handlers; - - /// List of threads that are pending a response after a sync request. This list is processed in - /// a LIFO manner, thus, the last request will be dispatched first. - /// TODO(Subv): Verify if this is indeed processed in LIFO using a hardware test. - std::vector<SharedPtr<Thread>> pending_requesting_threads; + /// Adds a new domain request handler to the collection of request handlers within + /// this ServerSession instance. + void AppendDomainRequestHandler(std::shared_ptr<SessionRequestHandler> handler); - /// Thread whose request is currently being handled. A request is considered "handled" when a - /// response is sent via svcReplyAndReceive. - /// TODO(Subv): Find a better name for this. - SharedPtr<Thread> currently_handling; + /// Retrieves the total number of domain request handlers that have been + /// appended to this ServerSession instance. + std::size_t NumDomainRequestHandlers() const; /// Returns true if the session has been converted to a domain, otherwise False bool IsDomain() const { @@ -129,8 +130,30 @@ private: /// object handle. ResultCode HandleDomainSyncRequest(Kernel::HLERequestContext& context); + /// The parent session, which links to the client endpoint. + std::shared_ptr<Session> parent; + + /// This session's HLE request handler (applicable when not a domain) + std::shared_ptr<SessionRequestHandler> hle_handler; + + /// This is the list of domain request handlers (after conversion to a domain) + std::vector<std::shared_ptr<SessionRequestHandler>> domain_request_handlers; + + /// List of threads that are pending a response after a sync request. This list is processed in + /// a LIFO manner, thus, the last request will be dispatched first. + /// TODO(Subv): Verify if this is indeed processed in LIFO using a hardware test. + std::vector<SharedPtr<Thread>> pending_requesting_threads; + + /// Thread whose request is currently being handled. A request is considered "handled" when a + /// response is sent via svcReplyAndReceive. + /// TODO(Subv): Find a better name for this. + SharedPtr<Thread> currently_handling; + /// When set to True, converts the session to a domain at the end of the command bool convert_to_domain{}; + + /// The name of this session (optional) + std::string name; }; } // namespace Kernel diff --git a/src/core/hle/kernel/shared_memory.cpp b/src/core/hle/kernel/shared_memory.cpp index 22d0c1dd5..62861da36 100644 --- a/src/core/hle/kernel/shared_memory.cpp +++ b/src/core/hle/kernel/shared_memory.cpp @@ -6,7 +6,6 @@ #include "common/assert.h" #include "common/logging/log.h" -#include "core/core.h" #include "core/hle/kernel/errors.h" #include "core/hle/kernel/kernel.h" #include "core/hle/kernel/shared_memory.h" @@ -34,8 +33,8 @@ SharedPtr<SharedMemory> SharedMemory::Create(KernelCore& kernel, Process* owner_ shared_memory->backing_block_offset = 0; // Refresh the address mappings for the current process. - if (Core::CurrentProcess() != nullptr) { - Core::CurrentProcess()->VMManager().RefreshMemoryBlockMappings( + if (kernel.CurrentProcess() != nullptr) { + kernel.CurrentProcess()->VMManager().RefreshMemoryBlockMappings( shared_memory->backing_block.get()); } } else { diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index c5d399bab..047fa0c19 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -20,6 +20,7 @@ #include "core/hle/kernel/address_arbiter.h" #include "core/hle/kernel/client_port.h" #include "core/hle/kernel/client_session.h" +#include "core/hle/kernel/errors.h" #include "core/hle/kernel/handle_table.h" #include "core/hle/kernel/kernel.h" #include "core/hle/kernel/mutex.h" @@ -47,23 +48,6 @@ constexpr bool IsValidAddressRange(VAddr address, u64 size) { return address + size > address; } -// Checks if a given address range lies within a larger address range. -constexpr bool IsInsideAddressRange(VAddr address, u64 size, VAddr address_range_begin, - VAddr address_range_end) { - const VAddr end_address = address + size - 1; - return address_range_begin <= address && end_address <= address_range_end - 1; -} - -bool IsInsideAddressSpace(const VMManager& vm, VAddr address, u64 size) { - return IsInsideAddressRange(address, size, vm.GetAddressSpaceBaseAddress(), - vm.GetAddressSpaceEndAddress()); -} - -bool IsInsideNewMapRegion(const VMManager& vm, VAddr address, u64 size) { - return IsInsideAddressRange(address, size, vm.GetNewMapRegionBaseAddress(), - vm.GetNewMapRegionEndAddress()); -} - // 8 GiB constexpr u64 MAIN_MEMORY_SIZE = 0x200000000; @@ -105,14 +89,14 @@ ResultCode MapUnmapMemorySanityChecks(const VMManager& vm_manager, VAddr dst_add return ERR_INVALID_ADDRESS_STATE; } - if (!IsInsideAddressSpace(vm_manager, src_addr, size)) { + if (!vm_manager.IsWithinAddressSpace(src_addr, size)) { LOG_ERROR(Kernel_SVC, "Source is not within the address space, addr=0x{:016X}, size=0x{:016X}", src_addr, size); return ERR_INVALID_ADDRESS_STATE; } - if (!IsInsideNewMapRegion(vm_manager, dst_addr, size)) { + if (!vm_manager.IsWithinNewMapRegion(dst_addr, size)) { LOG_ERROR(Kernel_SVC, "Destination is not within the new map region, addr=0x{:016X}, size=0x{:016X}", dst_addr, size); @@ -238,7 +222,7 @@ static ResultCode SetMemoryPermission(VAddr addr, u64 size, u32 prot) { auto* const current_process = Core::CurrentProcess(); auto& vm_manager = current_process->VMManager(); - if (!IsInsideAddressSpace(vm_manager, addr, size)) { + if (!vm_manager.IsWithinAddressSpace(addr, size)) { LOG_ERROR(Kernel_SVC, "Source is not within the address space, addr=0x{:016X}, size=0x{:016X}", addr, size); @@ -299,7 +283,7 @@ static ResultCode SetMemoryAttribute(VAddr address, u64 size, u32 mask, u32 attr } auto& vm_manager = Core::CurrentProcess()->VMManager(); - if (!IsInsideAddressSpace(vm_manager, address, size)) { + if (!vm_manager.IsWithinAddressSpace(address, size)) { LOG_ERROR(Kernel_SVC, "Given address (0x{:016X}) is outside the bounds of the address space.", address); return ERR_INVALID_ADDRESS_STATE; @@ -1300,10 +1284,14 @@ static ResultCode StartThread(Handle thread_handle) { /// Called when a thread exits static void ExitThread() { - LOG_TRACE(Kernel_SVC, "called, pc=0x{:08X}", Core::CurrentArmInterface().GetPC()); + auto& system = Core::System::GetInstance(); - ExitCurrentThread(); - Core::System::GetInstance().PrepareReschedule(); + LOG_TRACE(Kernel_SVC, "called, pc=0x{:08X}", system.CurrentArmInterface().GetPC()); + + auto* const current_thread = system.CurrentScheduler().GetCurrentThread(); + current_thread->Stop(); + system.CurrentScheduler().RemoveThread(current_thread); + system.PrepareReschedule(); } /// Sleep the current thread @@ -1316,32 +1304,32 @@ static void SleepThread(s64 nanoseconds) { YieldAndWaitForLoadBalancing = -2, }; + auto& system = Core::System::GetInstance(); + auto& scheduler = system.CurrentScheduler(); + auto* const current_thread = scheduler.GetCurrentThread(); + if (nanoseconds <= 0) { - auto& scheduler{Core::System::GetInstance().CurrentScheduler()}; switch (static_cast<SleepType>(nanoseconds)) { case SleepType::YieldWithoutLoadBalancing: - scheduler.YieldWithoutLoadBalancing(GetCurrentThread()); + scheduler.YieldWithoutLoadBalancing(current_thread); break; case SleepType::YieldWithLoadBalancing: - scheduler.YieldWithLoadBalancing(GetCurrentThread()); + scheduler.YieldWithLoadBalancing(current_thread); break; case SleepType::YieldAndWaitForLoadBalancing: - scheduler.YieldAndWaitForLoadBalancing(GetCurrentThread()); + scheduler.YieldAndWaitForLoadBalancing(current_thread); break; default: UNREACHABLE_MSG("Unimplemented sleep yield type '{:016X}'!", nanoseconds); } } else { - // Sleep current thread and check for next thread to schedule - WaitCurrentThread_Sleep(); - - // Create an event to wake the thread up after the specified nanosecond delay has passed - GetCurrentThread()->WakeAfterDelay(nanoseconds); + current_thread->Sleep(nanoseconds); } // Reschedule all CPU cores - for (std::size_t i = 0; i < Core::NUM_CPU_CORES; ++i) - Core::System::GetInstance().CpuCore(i).PrepareReschedule(); + for (std::size_t i = 0; i < Core::NUM_CPU_CORES; ++i) { + system.CpuCore(i).PrepareReschedule(); + } } /// Wait process wide key atomic @@ -1495,20 +1483,10 @@ static ResultCode WaitForAddress(VAddr address, u32 type, s32 value, s64 timeout return ERR_INVALID_ADDRESS; } - switch (static_cast<AddressArbiter::ArbitrationType>(type)) { - case AddressArbiter::ArbitrationType::WaitIfLessThan: - return AddressArbiter::WaitForAddressIfLessThan(address, value, timeout, false); - case AddressArbiter::ArbitrationType::DecrementAndWaitIfLessThan: - return AddressArbiter::WaitForAddressIfLessThan(address, value, timeout, true); - case AddressArbiter::ArbitrationType::WaitIfEqual: - return AddressArbiter::WaitForAddressIfEqual(address, value, timeout); - default: - LOG_ERROR(Kernel_SVC, - "Invalid arbitration type, expected WaitIfLessThan, DecrementAndWaitIfLessThan " - "or WaitIfEqual but got {}", - type); - return ERR_INVALID_ENUM_VALUE; - } + const auto arbitration_type = static_cast<AddressArbiter::ArbitrationType>(type); + auto& address_arbiter = + Core::System::GetInstance().Kernel().CurrentProcess()->GetAddressArbiter(); + return address_arbiter.WaitForAddress(address, arbitration_type, value, timeout); } // Signals to an address (via Address Arbiter) @@ -1526,21 +1504,10 @@ static ResultCode SignalToAddress(VAddr address, u32 type, s32 value, s32 num_to return ERR_INVALID_ADDRESS; } - switch (static_cast<AddressArbiter::SignalType>(type)) { - case AddressArbiter::SignalType::Signal: - return AddressArbiter::SignalToAddress(address, num_to_wake); - case AddressArbiter::SignalType::IncrementAndSignalIfEqual: - return AddressArbiter::IncrementAndSignalToAddressIfEqual(address, value, num_to_wake); - case AddressArbiter::SignalType::ModifyByWaitingCountAndSignalIfEqual: - return AddressArbiter::ModifyByWaitingCountAndSignalToAddressIfEqual(address, value, - num_to_wake); - default: - LOG_ERROR(Kernel_SVC, - "Invalid signal type, expected Signal, IncrementAndSignalIfEqual " - "or ModifyByWaitingCountAndSignalIfEqual but got {}", - type); - return ERR_INVALID_ENUM_VALUE; - } + const auto signal_type = static_cast<AddressArbiter::SignalType>(type); + auto& address_arbiter = + Core::System::GetInstance().Kernel().CurrentProcess()->GetAddressArbiter(); + return address_arbiter.SignalToAddress(address, signal_type, value, num_to_wake); } /// This returns the total CPU ticks elapsed since the CPU was powered-on diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp index 6661e2130..3b22e8e0d 100644 --- a/src/core/hle/kernel/thread.cpp +++ b/src/core/hle/kernel/thread.cpp @@ -7,8 +7,6 @@ #include <optional> #include <vector> -#include <boost/range/algorithm_ext/erase.hpp> - #include "common/assert.h" #include "common/common_types.h" #include "common/logging/log.h" @@ -68,17 +66,6 @@ void Thread::Stop() { owner_process->FreeTLSSlot(tls_address); } -void WaitCurrentThread_Sleep() { - Thread* thread = GetCurrentThread(); - thread->SetStatus(ThreadStatus::WaitSleep); -} - -void ExitCurrentThread() { - Thread* thread = GetCurrentThread(); - thread->Stop(); - Core::System::GetInstance().CurrentScheduler().RemoveThread(thread); -} - void Thread::WakeAfterDelay(s64 nanoseconds) { // Don't schedule a wakeup if the thread wants to wait forever if (nanoseconds == -1) @@ -184,8 +171,6 @@ ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name return ERR_INVALID_PROCESSOR_ID; } - // TODO(yuriks): Other checks, returning 0xD9001BEA - if (!Memory::IsValidVirtualAddress(owner_process, entry_point)) { LOG_ERROR(Kernel_SVC, "(name={}): invalid entry {:016X}", name, entry_point); // TODO (bunnei): Find the correct error code to use here @@ -271,8 +256,8 @@ void Thread::AddMutexWaiter(SharedPtr<Thread> thread) { if (thread->lock_owner == this) { // If the thread is already waiting for this thread to release the mutex, ensure that the // waiters list is consistent and return without doing anything. - auto itr = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread); - ASSERT(itr != wait_mutex_threads.end()); + const auto iter = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread); + ASSERT(iter != wait_mutex_threads.end()); return; } @@ -280,11 +265,16 @@ void Thread::AddMutexWaiter(SharedPtr<Thread> thread) { ASSERT(thread->lock_owner == nullptr); // Ensure that the thread is not already in the list of mutex waiters - auto itr = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread); - ASSERT(itr == wait_mutex_threads.end()); - + const auto iter = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread); + ASSERT(iter == wait_mutex_threads.end()); + + // Keep the list in an ordered fashion + const auto insertion_point = std::find_if( + wait_mutex_threads.begin(), wait_mutex_threads.end(), + [&thread](const auto& entry) { return entry->GetPriority() > thread->GetPriority(); }); + wait_mutex_threads.insert(insertion_point, thread); thread->lock_owner = this; - wait_mutex_threads.emplace_back(std::move(thread)); + UpdatePriority(); } @@ -292,32 +282,44 @@ void Thread::RemoveMutexWaiter(SharedPtr<Thread> thread) { ASSERT(thread->lock_owner == this); // Ensure that the thread is in the list of mutex waiters - auto itr = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread); - ASSERT(itr != wait_mutex_threads.end()); + const auto iter = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread); + ASSERT(iter != wait_mutex_threads.end()); + + wait_mutex_threads.erase(iter); - boost::remove_erase(wait_mutex_threads, thread); thread->lock_owner = nullptr; UpdatePriority(); } void Thread::UpdatePriority() { - // Find the highest priority among all the threads that are waiting for this thread's lock + // If any of the threads waiting on the mutex have a higher priority + // (taking into account priority inheritance), then this thread inherits + // that thread's priority. u32 new_priority = nominal_priority; - for (const auto& thread : wait_mutex_threads) { - if (thread->nominal_priority < new_priority) - new_priority = thread->nominal_priority; + if (!wait_mutex_threads.empty()) { + if (wait_mutex_threads.front()->current_priority < new_priority) { + new_priority = wait_mutex_threads.front()->current_priority; + } } - if (new_priority == current_priority) + if (new_priority == current_priority) { return; + } scheduler->SetThreadPriority(this, new_priority); - current_priority = new_priority; + if (!lock_owner) { + return; + } + + // Ensure that the thread is within the correct location in the waiting list. + auto old_owner = lock_owner; + lock_owner->RemoveMutexWaiter(this); + old_owner->AddMutexWaiter(this); + // Recursively update the priority of the thread that depends on the priority of this one. - if (lock_owner) - lock_owner->UpdatePriority(); + lock_owner->UpdatePriority(); } void Thread::ChangeCore(u32 core, u64 mask) { @@ -393,6 +395,14 @@ void Thread::SetActivity(ThreadActivity value) { } } +void Thread::Sleep(s64 nanoseconds) { + // Sleep current thread and check for next thread to schedule + SetStatus(ThreadStatus::WaitSleep); + + // Create an event to wake the thread up after the specified nanosecond delay has passed + WakeAfterDelay(nanoseconds); +} + //////////////////////////////////////////////////////////////////////////////////////////////////// /** diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h index c48b21aba..faad5f391 100644 --- a/src/core/hle/kernel/thread.h +++ b/src/core/hle/kernel/thread.h @@ -383,6 +383,9 @@ public: void SetActivity(ThreadActivity value); + /// Sleeps this thread for the given amount of nanoseconds. + void Sleep(s64 nanoseconds); + private: explicit Thread(KernelCore& kernel); ~Thread() override; @@ -398,8 +401,14 @@ private: VAddr entry_point = 0; VAddr stack_top = 0; - u32 nominal_priority = 0; ///< Nominal thread priority, as set by the emulated application - u32 current_priority = 0; ///< Current thread priority, can be temporarily changed + /// Nominal thread priority, as set by the emulated application. + /// The nominal priority is the thread priority without priority + /// inheritance taken into account. + u32 nominal_priority = 0; + + /// Current thread priority. This may change over the course of the + /// thread's lifetime in order to facilitate priority inheritance. + u32 current_priority = 0; u64 total_cpu_time_ticks = 0; ///< Total CPU running ticks. u64 last_running_ticks = 0; ///< CPU tick when thread was last running @@ -460,14 +469,4 @@ private: */ Thread* GetCurrentThread(); -/** - * Waits the current thread on a sleep - */ -void WaitCurrentThread_Sleep(); - -/** - * Stops the current thread and removes it from the thread_list - */ -void ExitCurrentThread(); - } // namespace Kernel diff --git a/src/core/hle/kernel/vm_manager.cpp b/src/core/hle/kernel/vm_manager.cpp index 10ad94aa6..3def3e52c 100644 --- a/src/core/hle/kernel/vm_manager.cpp +++ b/src/core/hle/kernel/vm_manager.cpp @@ -7,18 +7,18 @@ #include <utility> #include "common/assert.h" #include "common/logging/log.h" +#include "common/memory_hook.h" #include "core/arm/arm_interface.h" #include "core/core.h" #include "core/file_sys/program_metadata.h" #include "core/hle/kernel/errors.h" #include "core/hle/kernel/vm_manager.h" #include "core/memory.h" -#include "core/memory_hook.h" #include "core/memory_setup.h" namespace Kernel { - -static const char* GetMemoryStateName(MemoryState state) { +namespace { +const char* GetMemoryStateName(MemoryState state) { static constexpr const char* names[] = { "Unmapped", "Io", "Normal", "CodeStatic", @@ -35,6 +35,14 @@ static const char* GetMemoryStateName(MemoryState state) { return names[ToSvcMemoryState(state)]; } +// Checks if a given address range lies within a larger address range. +constexpr bool IsInsideAddressRange(VAddr address, u64 size, VAddr address_range_begin, + VAddr address_range_end) { + const VAddr end_address = address + size - 1; + return address_range_begin <= address && end_address <= address_range_end - 1; +} +} // Anonymous namespace + bool VirtualMemoryArea::CanBeMergedWith(const VirtualMemoryArea& next) const { ASSERT(base + size == next.base); if (permissions != next.permissions || state != next.state || attribute != next.attribute || @@ -169,7 +177,7 @@ ResultVal<VAddr> VMManager::FindFreeRegion(u64 size) const { ResultVal<VMManager::VMAHandle> VMManager::MapMMIO(VAddr target, PAddr paddr, u64 size, MemoryState state, - Memory::MemoryHookPointer mmio_handler) { + Common::MemoryHookPointer mmio_handler) { // This is the appropriately sized VMA that will turn into our allocation. CASCADE_RESULT(VMAIter vma_handle, CarveVMA(target, size)); VirtualMemoryArea& final_vma = vma_handle->second; @@ -249,8 +257,7 @@ ResultCode VMManager::ReprotectRange(VAddr target, u64 size, VMAPermission new_p } ResultVal<VAddr> VMManager::HeapAllocate(VAddr target, u64 size, VMAPermission perms) { - if (target < GetHeapRegionBaseAddress() || target + size > GetHeapRegionEndAddress() || - target + size < target) { + if (!IsWithinHeapRegion(target, size)) { return ERR_INVALID_ADDRESS; } @@ -285,8 +292,7 @@ ResultVal<VAddr> VMManager::HeapAllocate(VAddr target, u64 size, VMAPermission p } ResultCode VMManager::HeapFree(VAddr target, u64 size) { - if (target < GetHeapRegionBaseAddress() || target + size > GetHeapRegionEndAddress() || - target + size < target) { + if (!IsWithinHeapRegion(target, size)) { return ERR_INVALID_ADDRESS; } @@ -618,7 +624,7 @@ void VMManager::ClearPageTable() { std::fill(page_table.pointers.begin(), page_table.pointers.end(), nullptr); page_table.special_regions.clear(); std::fill(page_table.attributes.begin(), page_table.attributes.end(), - Memory::PageType::Unmapped); + Common::PageType::Unmapped); } VMManager::CheckResults VMManager::CheckRangeState(VAddr address, u64 size, MemoryState state_mask, @@ -706,6 +712,11 @@ u64 VMManager::GetAddressSpaceWidth() const { return address_space_width; } +bool VMManager::IsWithinAddressSpace(VAddr address, u64 size) const { + return IsInsideAddressRange(address, size, GetAddressSpaceBaseAddress(), + GetAddressSpaceEndAddress()); +} + VAddr VMManager::GetASLRRegionBaseAddress() const { return aslr_region_base; } @@ -750,6 +761,11 @@ u64 VMManager::GetCodeRegionSize() const { return code_region_end - code_region_base; } +bool VMManager::IsWithinCodeRegion(VAddr address, u64 size) const { + return IsInsideAddressRange(address, size, GetCodeRegionBaseAddress(), + GetCodeRegionEndAddress()); +} + VAddr VMManager::GetHeapRegionBaseAddress() const { return heap_region_base; } @@ -762,6 +778,11 @@ u64 VMManager::GetHeapRegionSize() const { return heap_region_end - heap_region_base; } +bool VMManager::IsWithinHeapRegion(VAddr address, u64 size) const { + return IsInsideAddressRange(address, size, GetHeapRegionBaseAddress(), + GetHeapRegionEndAddress()); +} + VAddr VMManager::GetMapRegionBaseAddress() const { return map_region_base; } @@ -774,6 +795,10 @@ u64 VMManager::GetMapRegionSize() const { return map_region_end - map_region_base; } +bool VMManager::IsWithinMapRegion(VAddr address, u64 size) const { + return IsInsideAddressRange(address, size, GetMapRegionBaseAddress(), GetMapRegionEndAddress()); +} + VAddr VMManager::GetNewMapRegionBaseAddress() const { return new_map_region_base; } @@ -786,6 +811,11 @@ u64 VMManager::GetNewMapRegionSize() const { return new_map_region_end - new_map_region_base; } +bool VMManager::IsWithinNewMapRegion(VAddr address, u64 size) const { + return IsInsideAddressRange(address, size, GetNewMapRegionBaseAddress(), + GetNewMapRegionEndAddress()); +} + VAddr VMManager::GetTLSIORegionBaseAddress() const { return tls_io_region_base; } @@ -798,4 +828,9 @@ u64 VMManager::GetTLSIORegionSize() const { return tls_io_region_end - tls_io_region_base; } +bool VMManager::IsWithinTLSIORegion(VAddr address, u64 size) const { + return IsInsideAddressRange(address, size, GetTLSIORegionBaseAddress(), + GetTLSIORegionEndAddress()); +} + } // namespace Kernel diff --git a/src/core/hle/kernel/vm_manager.h b/src/core/hle/kernel/vm_manager.h index d83a63e07..13ff4ebb3 100644 --- a/src/core/hle/kernel/vm_manager.h +++ b/src/core/hle/kernel/vm_manager.h @@ -9,9 +9,10 @@ #include <tuple> #include <vector> #include "common/common_types.h" +#include "common/memory_hook.h" +#include "common/page_table.h" #include "core/hle/result.h" #include "core/memory.h" -#include "core/memory_hook.h" namespace FileSys { enum class ProgramAddressSpaceType : u8; @@ -290,7 +291,7 @@ struct VirtualMemoryArea { // Settings for type = MMIO /// Physical address of the register area this VMA maps to. PAddr paddr = 0; - Memory::MemoryHookPointer mmio_handler = nullptr; + Common::MemoryHookPointer mmio_handler = nullptr; /// Tests if this area can be merged to the right with `next`. bool CanBeMergedWith(const VirtualMemoryArea& next) const; @@ -368,7 +369,7 @@ public: * @param mmio_handler The handler that will implement read and write for this MMIO region. */ ResultVal<VMAHandle> MapMMIO(VAddr target, PAddr paddr, u64 size, MemoryState state, - Memory::MemoryHookPointer mmio_handler); + Common::MemoryHookPointer mmio_handler); /// Unmaps a range of addresses, splitting VMAs as necessary. ResultCode UnmapRange(VAddr target, u64 size); @@ -432,18 +433,21 @@ public: /// Gets the address space width in bits. u64 GetAddressSpaceWidth() const; + /// Determines whether or not the given address range lies within the address space. + bool IsWithinAddressSpace(VAddr address, u64 size) const; + /// Gets the base address of the ASLR region. VAddr GetASLRRegionBaseAddress() const; /// Gets the end address of the ASLR region. VAddr GetASLRRegionEndAddress() const; - /// Determines whether or not the specified address range is within the ASLR region. - bool IsWithinASLRRegion(VAddr address, u64 size) const; - /// Gets the size of the ASLR region u64 GetASLRRegionSize() const; + /// Determines whether or not the specified address range is within the ASLR region. + bool IsWithinASLRRegion(VAddr address, u64 size) const; + /// Gets the base address of the code region. VAddr GetCodeRegionBaseAddress() const; @@ -453,6 +457,9 @@ public: /// Gets the total size of the code region in bytes. u64 GetCodeRegionSize() const; + /// Determines whether or not the specified range is within the code region. + bool IsWithinCodeRegion(VAddr address, u64 size) const; + /// Gets the base address of the heap region. VAddr GetHeapRegionBaseAddress() const; @@ -462,6 +469,9 @@ public: /// Gets the total size of the heap region in bytes. u64 GetHeapRegionSize() const; + /// Determines whether or not the specified range is within the heap region. + bool IsWithinHeapRegion(VAddr address, u64 size) const; + /// Gets the base address of the map region. VAddr GetMapRegionBaseAddress() const; @@ -471,6 +481,9 @@ public: /// Gets the total size of the map region in bytes. u64 GetMapRegionSize() const; + /// Determines whether or not the specified range is within the map region. + bool IsWithinMapRegion(VAddr address, u64 size) const; + /// Gets the base address of the new map region. VAddr GetNewMapRegionBaseAddress() const; @@ -480,6 +493,9 @@ public: /// Gets the total size of the new map region in bytes. u64 GetNewMapRegionSize() const; + /// Determines whether or not the given address range is within the new map region + bool IsWithinNewMapRegion(VAddr address, u64 size) const; + /// Gets the base address of the TLS IO region. VAddr GetTLSIORegionBaseAddress() const; @@ -489,9 +505,12 @@ public: /// Gets the total size of the TLS IO region in bytes. u64 GetTLSIORegionSize() const; + /// Determines if the given address range is within the TLS IO region. + bool IsWithinTLSIORegion(VAddr address, u64 size) const; + /// Each VMManager has its own page table, which is set as the main one when the owning process /// is scheduled. - Memory::PageTable page_table; + Common::PageTable page_table{Memory::PAGE_BITS}; private: using VMAIter = VMAMap::iterator; |