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-rw-r--r--src/core/hle/kernel/address_arbiter.cpp147
-rw-r--r--src/core/hle/kernel/address_arbiter.h74
-rw-r--r--src/core/hle/kernel/hle_ipc.h10
-rw-r--r--src/core/hle/kernel/kernel.cpp30
-rw-r--r--src/core/hle/kernel/kernel.h26
-rw-r--r--src/core/hle/kernel/svc.cpp40
-rw-r--r--src/core/hle/kernel/thread.cpp2
-rw-r--r--src/core/hle/kernel/vm_manager.cpp47
-rw-r--r--src/core/hle/kernel/vm_manager.h24
9 files changed, 253 insertions, 147 deletions
diff --git a/src/core/hle/kernel/address_arbiter.cpp b/src/core/hle/kernel/address_arbiter.cpp
index a250d088d..9780a7849 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 +37,41 @@ static void WakeThreads(std::vector<SharedPtr<Thread>>& waiting_threads, s32 num
waiting_threads[i]->ResumeFromWait();
}
}
+} // Anonymous namespace
-// Signals an address being waited on.
-ResultCode SignalToAddress(VAddr address, s32 num_to_wake) {
- std::vector<SharedPtr<Thread>> waiting_threads = GetThreadsWaitingOnAddress(address);
+AddressArbiter::AddressArbiter(Core::System& system) : system{system} {}
+AddressArbiter::~AddressArbiter() = default;
+ResultCode AddressArbiter::SignalToAddress(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;
}
+ Memory::Write32(address, static_cast<u32>(value + 1));
return SignalToAddress(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;
@@ -125,31 +83,31 @@ 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::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;
@@ -158,8 +116,7 @@ ResultCode WaitForAddressIfLessThan(VAddr address, s32 value, s64 timeout, bool
return WaitForAddress(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;
@@ -175,4 +132,46 @@ ResultCode WaitForAddressIfEqual(VAddr address, s32 value, s64 timeout) {
return WaitForAddress(address, timeout);
}
-} // namespace Kernel::AddressArbiter
+
+ResultCode AddressArbiter::WaitForAddress(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
diff --git a/src/core/hle/kernel/address_arbiter.h b/src/core/hle/kernel/address_arbiter.h
index b58f21bec..e0c36f2e3 100644
--- a/src/core/hle/kernel/address_arbiter.h
+++ b/src/core/hle/kernel/address_arbiter.h
@@ -5,28 +5,68 @@
#pragma once
#include "common/common_types.h"
+#include "core/hle/kernel/address_arbiter.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;
-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);
+ /// Signals an address being waited on.
+ ResultCode SignalToAddress(VAddr address, s32 num_to_wake);
-ResultCode WaitForAddressIfLessThan(VAddr address, s32 value, s64 timeout, bool should_decrement);
-ResultCode WaitForAddressIfEqual(VAddr address, s32 value, s64 timeout);
+ /// 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);
+
+private:
+ // Waits on the given address with a timeout in nanoseconds
+ ResultCode WaitForAddress(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/hle_ipc.h b/src/core/hle/kernel/hle_ipc.h
index cb1c5aff3..0107acea4 100644
--- a/src/core/hle/kernel/hle_ipc.h
+++ b/src/core/hle/kernel/hle_ipc.h
@@ -15,6 +15,8 @@
#include "core/hle/ipc.h"
#include "core/hle/kernel/object.h"
+union ResultCode;
+
namespace Service {
class ServiceFrameworkBase;
}
@@ -208,14 +210,12 @@ 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 +232,7 @@ 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(
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index dd749eed4..04ea9349e 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) : address_arbiter{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};
@@ -135,6 +138,8 @@ struct KernelCore::Impl {
std::vector<SharedPtr<Process>> process_list;
Process* current_process = nullptr;
+ Kernel::AddressArbiter address_arbiter;
+
SharedPtr<ResourceLimit> system_resource_limit;
Core::Timing::EventType* thread_wakeup_event_type = nullptr;
@@ -145,15 +150,18 @@ 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() {
@@ -184,6 +192,14 @@ const Process* KernelCore::CurrentProcess() const {
return impl->current_process;
}
+AddressArbiter& KernelCore::AddressArbiter() {
+ return impl->address_arbiter;
+}
+
+const AddressArbiter& KernelCore::AddressArbiter() const {
+ return impl->address_arbiter;
+}
+
void KernelCore::AddNamedPort(std::string name, SharedPtr<ClientPort> port) {
impl->named_ports.emplace(std::move(name), std::move(port));
}
diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h
index 154bced42..4d292aca9 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();
@@ -67,6 +75,12 @@ public:
/// Retrieves a const pointer to the current process.
const Process* CurrentProcess() const;
+ /// Provides a reference to the kernel's address arbiter.
+ Kernel::AddressArbiter& AddressArbiter();
+
+ /// Provides a const reference to the kernel's address arbiter.
+ const Kernel::AddressArbiter& AddressArbiter() const;
+
/// Adds a port to the named port table
void AddNamedPort(std::string name, SharedPtr<ClientPort> port);
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index c5d399bab..7f5c0cc86 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;
@@ -1495,13 +1479,14 @@ static ResultCode WaitForAddress(VAddr address, u32 type, s32 value, s64 timeout
return ERR_INVALID_ADDRESS;
}
+ auto& address_arbiter = Core::System::GetInstance().Kernel().AddressArbiter();
switch (static_cast<AddressArbiter::ArbitrationType>(type)) {
case AddressArbiter::ArbitrationType::WaitIfLessThan:
- return AddressArbiter::WaitForAddressIfLessThan(address, value, timeout, false);
+ return address_arbiter.WaitForAddressIfLessThan(address, value, timeout, false);
case AddressArbiter::ArbitrationType::DecrementAndWaitIfLessThan:
- return AddressArbiter::WaitForAddressIfLessThan(address, value, timeout, true);
+ return address_arbiter.WaitForAddressIfLessThan(address, value, timeout, true);
case AddressArbiter::ArbitrationType::WaitIfEqual:
- return AddressArbiter::WaitForAddressIfEqual(address, value, timeout);
+ return address_arbiter.WaitForAddressIfEqual(address, value, timeout);
default:
LOG_ERROR(Kernel_SVC,
"Invalid arbitration type, expected WaitIfLessThan, DecrementAndWaitIfLessThan "
@@ -1526,13 +1511,14 @@ static ResultCode SignalToAddress(VAddr address, u32 type, s32 value, s32 num_to
return ERR_INVALID_ADDRESS;
}
+ auto& address_arbiter = Core::System::GetInstance().Kernel().AddressArbiter();
switch (static_cast<AddressArbiter::SignalType>(type)) {
case AddressArbiter::SignalType::Signal:
- return AddressArbiter::SignalToAddress(address, num_to_wake);
+ return address_arbiter.SignalToAddress(address, num_to_wake);
case AddressArbiter::SignalType::IncrementAndSignalIfEqual:
- return AddressArbiter::IncrementAndSignalToAddressIfEqual(address, value, num_to_wake);
+ return address_arbiter.IncrementAndSignalToAddressIfEqual(address, value, num_to_wake);
case AddressArbiter::SignalType::ModifyByWaitingCountAndSignalIfEqual:
- return AddressArbiter::ModifyByWaitingCountAndSignalToAddressIfEqual(address, value,
+ return address_arbiter.ModifyByWaitingCountAndSignalToAddressIfEqual(address, value,
num_to_wake);
default:
LOG_ERROR(Kernel_SVC,
diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp
index 6661e2130..eb54d6651 100644
--- a/src/core/hle/kernel/thread.cpp
+++ b/src/core/hle/kernel/thread.cpp
@@ -184,8 +184,6 @@ 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
diff --git a/src/core/hle/kernel/vm_manager.cpp b/src/core/hle/kernel/vm_manager.cpp
index 10ad94aa6..05c59af34 100644
--- a/src/core/hle/kernel/vm_manager.cpp
+++ b/src/core/hle/kernel/vm_manager.cpp
@@ -17,8 +17,8 @@
#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 ||
@@ -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;
}
@@ -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 6091533bc..88e0b3c02 100644
--- a/src/core/hle/kernel/vm_manager.h
+++ b/src/core/hle/kernel/vm_manager.h
@@ -432,18 +432,21 @@ 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 +456,9 @@ 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 +468,9 @@ 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 +480,9 @@ 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 +492,9 @@ 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;
@@ -489,6 +504,9 @@ 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;