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-rw-r--r--src/core/arm/arm_interface.h14
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic.cpp23
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic.h6
-rw-r--r--src/core/arm/unicorn/arm_unicorn.h2
-rw-r--r--src/core/core.cpp9
-rw-r--r--src/core/cpu_core_manager.cpp6
-rw-r--r--src/core/cpu_core_manager.h7
-rw-r--r--src/core/hle/kernel/kernel.cpp7
-rw-r--r--src/core/hle/kernel/process.cpp2
-rw-r--r--src/core/memory.cpp16
-rw-r--r--src/core/memory.h5
11 files changed, 58 insertions, 39 deletions
diff --git a/src/core/arm/arm_interface.h b/src/core/arm/arm_interface.h
index 4dfd41b43..978b1518f 100644
--- a/src/core/arm/arm_interface.h
+++ b/src/core/arm/arm_interface.h
@@ -7,6 +7,10 @@
#include <array>
#include "common/common_types.h"
+namespace Common {
+struct PageTable;
+}
+
namespace Kernel {
enum class VMAPermission : u8;
}
@@ -49,8 +53,14 @@ public:
/// Clear all instruction cache
virtual void ClearInstructionCache() = 0;
- /// Notify CPU emulation that page tables have changed
- virtual void PageTableChanged() = 0;
+ /// Notifies CPU emulation that the current page table has changed.
+ ///
+ /// @param new_page_table The new page table.
+ /// @param new_address_space_size_in_bits The new usable size of the address space in bits.
+ /// This can be either 32, 36, or 39 on official software.
+ ///
+ virtual void PageTableChanged(Common::PageTable& new_page_table,
+ std::size_t new_address_space_size_in_bits) = 0;
/**
* Set the Program Counter to an address
diff --git a/src/core/arm/dynarmic/arm_dynarmic.cpp b/src/core/arm/dynarmic/arm_dynarmic.cpp
index dc96e35d5..44307fa19 100644
--- a/src/core/arm/dynarmic/arm_dynarmic.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic.cpp
@@ -14,7 +14,6 @@
#include "core/core_timing.h"
#include "core/core_timing_util.h"
#include "core/gdbstub/gdbstub.h"
-#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/svc.h"
#include "core/hle/kernel/vm_manager.h"
@@ -129,18 +128,16 @@ public:
u64 tpidr_el0 = 0;
};
-std::unique_ptr<Dynarmic::A64::Jit> ARM_Dynarmic::MakeJit() const {
- auto* current_process = system.Kernel().CurrentProcess();
- auto** const page_table = current_process->VMManager().page_table.pointers.data();
-
+std::unique_ptr<Dynarmic::A64::Jit> ARM_Dynarmic::MakeJit(Common::PageTable& page_table,
+ std::size_t address_space_bits) const {
Dynarmic::A64::UserConfig config;
// Callbacks
config.callbacks = cb.get();
// Memory
- config.page_table = reinterpret_cast<void**>(page_table);
- config.page_table_address_space_bits = current_process->VMManager().GetAddressSpaceWidth();
+ config.page_table = reinterpret_cast<void**>(page_table.pointers.data());
+ config.page_table_address_space_bits = address_space_bits;
config.silently_mirror_page_table = false;
// Multi-process state
@@ -176,12 +173,7 @@ ARM_Dynarmic::ARM_Dynarmic(System& system, ExclusiveMonitor& exclusive_monitor,
std::size_t core_index)
: cb(std::make_unique<ARM_Dynarmic_Callbacks>(*this)), inner_unicorn{system},
core_index{core_index}, system{system},
- exclusive_monitor{dynamic_cast<DynarmicExclusiveMonitor&>(exclusive_monitor)} {
- ThreadContext ctx{};
- inner_unicorn.SaveContext(ctx);
- PageTableChanged();
- LoadContext(ctx);
-}
+ exclusive_monitor{dynamic_cast<DynarmicExclusiveMonitor&>(exclusive_monitor)} {}
ARM_Dynarmic::~ARM_Dynarmic() = default;
@@ -276,8 +268,9 @@ void ARM_Dynarmic::ClearExclusiveState() {
jit->ClearExclusiveState();
}
-void ARM_Dynarmic::PageTableChanged() {
- jit = MakeJit();
+void ARM_Dynarmic::PageTableChanged(Common::PageTable& page_table,
+ std::size_t new_address_space_size_in_bits) {
+ jit = MakeJit(page_table, new_address_space_size_in_bits);
}
DynarmicExclusiveMonitor::DynarmicExclusiveMonitor(std::size_t core_count) : monitor(core_count) {}
diff --git a/src/core/arm/dynarmic/arm_dynarmic.h b/src/core/arm/dynarmic/arm_dynarmic.h
index c1db254e8..b701e97a3 100644
--- a/src/core/arm/dynarmic/arm_dynarmic.h
+++ b/src/core/arm/dynarmic/arm_dynarmic.h
@@ -48,10 +48,12 @@ public:
void ClearExclusiveState() override;
void ClearInstructionCache() override;
- void PageTableChanged() override;
+ void PageTableChanged(Common::PageTable& new_page_table,
+ std::size_t new_address_space_size_in_bits) override;
private:
- std::unique_ptr<Dynarmic::A64::Jit> MakeJit() const;
+ std::unique_ptr<Dynarmic::A64::Jit> MakeJit(Common::PageTable& page_table,
+ std::size_t address_space_bits) const;
friend class ARM_Dynarmic_Callbacks;
std::unique_ptr<ARM_Dynarmic_Callbacks> cb;
diff --git a/src/core/arm/unicorn/arm_unicorn.h b/src/core/arm/unicorn/arm_unicorn.h
index 209fc16ad..34e974b4d 100644
--- a/src/core/arm/unicorn/arm_unicorn.h
+++ b/src/core/arm/unicorn/arm_unicorn.h
@@ -41,7 +41,7 @@ public:
void Run() override;
void Step() override;
void ClearInstructionCache() override;
- void PageTableChanged() override{};
+ void PageTableChanged(Common::PageTable&, std::size_t) override {}
void RecordBreak(GDBStub::BreakpointAddress bkpt);
private:
diff --git a/src/core/core.cpp b/src/core/core.cpp
index bc9e887b6..2b8ec3ca7 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -81,7 +81,7 @@ FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
return vfs->OpenFile(path, FileSys::Mode::Read);
}
struct System::Impl {
- explicit Impl(System& system) : kernel{system} {}
+ explicit Impl(System& system) : kernel{system}, cpu_core_manager{system} {}
Cpu& CurrentCpuCore() {
return cpu_core_manager.GetCurrentCore();
@@ -99,6 +99,7 @@ struct System::Impl {
LOG_DEBUG(HW_Memory, "initialized OK");
core_timing.Initialize();
+ cpu_core_manager.Initialize();
kernel.Initialize();
const auto current_time = std::chrono::duration_cast<std::chrono::seconds>(
@@ -142,8 +143,6 @@ struct System::Impl {
gpu_core = std::make_unique<VideoCommon::GPUSynch>(system, *renderer);
}
- cpu_core_manager.Initialize(system);
-
LOG_DEBUG(Core, "Initialized OK");
// Reset counters and set time origin to current frame
@@ -188,6 +187,10 @@ struct System::Impl {
static_cast<u32>(load_result));
}
+ // Main process has been loaded and been made current.
+ // Begin CPU execution.
+ cpu_core_manager.StartThreads();
+
status = ResultStatus::Success;
return status;
}
diff --git a/src/core/cpu_core_manager.cpp b/src/core/cpu_core_manager.cpp
index 93bc5619c..8fcb4eeb1 100644
--- a/src/core/cpu_core_manager.cpp
+++ b/src/core/cpu_core_manager.cpp
@@ -19,17 +19,19 @@ void RunCpuCore(const System& system, Cpu& cpu_state) {
}
} // Anonymous namespace
-CpuCoreManager::CpuCoreManager() = default;
+CpuCoreManager::CpuCoreManager(System& system) : system{system} {}
CpuCoreManager::~CpuCoreManager() = default;
-void CpuCoreManager::Initialize(System& system) {
+void CpuCoreManager::Initialize() {
barrier = std::make_unique<CpuBarrier>();
exclusive_monitor = Cpu::MakeExclusiveMonitor(cores.size());
for (std::size_t index = 0; index < cores.size(); ++index) {
cores[index] = std::make_unique<Cpu>(system, *exclusive_monitor, *barrier, index);
}
+}
+void CpuCoreManager::StartThreads() {
// Create threads for CPU cores 1-3, and build thread_to_cpu map
// CPU core 0 is run on the main thread
thread_to_cpu[std::this_thread::get_id()] = cores[0].get();
diff --git a/src/core/cpu_core_manager.h b/src/core/cpu_core_manager.h
index a4d70ec56..2cbbf8216 100644
--- a/src/core/cpu_core_manager.h
+++ b/src/core/cpu_core_manager.h
@@ -18,7 +18,7 @@ class System;
class CpuCoreManager {
public:
- CpuCoreManager();
+ explicit CpuCoreManager(System& system);
CpuCoreManager(const CpuCoreManager&) = delete;
CpuCoreManager(CpuCoreManager&&) = delete;
@@ -27,7 +27,8 @@ public:
CpuCoreManager& operator=(const CpuCoreManager&) = delete;
CpuCoreManager& operator=(CpuCoreManager&&) = delete;
- void Initialize(System& system);
+ void Initialize();
+ void StartThreads();
void Shutdown();
Cpu& GetCore(std::size_t index);
@@ -54,6 +55,8 @@ private:
/// Map of guest threads to CPU cores
std::map<std::thread::id, Cpu*> thread_to_cpu;
+
+ System& system;
};
} // namespace Core
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index 4d58e7c69..8539fabe4 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -182,7 +182,12 @@ void KernelCore::AppendNewProcess(SharedPtr<Process> process) {
void KernelCore::MakeCurrentProcess(Process* process) {
impl->current_process = process;
- Memory::SetCurrentPageTable(&process->VMManager().page_table);
+
+ if (process == nullptr) {
+ return;
+ }
+
+ Memory::SetCurrentPageTable(*process);
}
Process* KernelCore::CurrentProcess() {
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp
index 4e94048da..94d196e5c 100644
--- a/src/core/hle/kernel/process.cpp
+++ b/src/core/hle/kernel/process.cpp
@@ -107,7 +107,7 @@ ResultCode Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) {
vm_manager.Reset(metadata.GetAddressSpaceType());
// Ensure that the potentially resized page table is seen by CPU backends.
- Memory::SetCurrentPageTable(&vm_manager.page_table);
+ Memory::SetCurrentPageTable(*this);
const auto& caps = metadata.GetKernelCapabilities();
const auto capability_init_result =
diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index 4e0538bc2..f18f6226b 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -26,16 +26,16 @@ namespace Memory {
static Common::PageTable* current_page_table = nullptr;
-void SetCurrentPageTable(Common::PageTable* page_table) {
- current_page_table = page_table;
+void SetCurrentPageTable(Kernel::Process& process) {
+ current_page_table = &process.VMManager().page_table;
+
+ const std::size_t address_space_width = process.VMManager().GetAddressSpaceWidth();
auto& system = Core::System::GetInstance();
- if (system.IsPoweredOn()) {
- system.ArmInterface(0).PageTableChanged();
- system.ArmInterface(1).PageTableChanged();
- system.ArmInterface(2).PageTableChanged();
- system.ArmInterface(3).PageTableChanged();
- }
+ system.ArmInterface(0).PageTableChanged(*current_page_table, address_space_width);
+ system.ArmInterface(1).PageTableChanged(*current_page_table, address_space_width);
+ system.ArmInterface(2).PageTableChanged(*current_page_table, address_space_width);
+ system.ArmInterface(3).PageTableChanged(*current_page_table, address_space_width);
}
static void MapPages(Common::PageTable& page_table, VAddr base, u64 size, u8* memory,
diff --git a/src/core/memory.h b/src/core/memory.h
index 6845f5fe1..b9fa18b1d 100644
--- a/src/core/memory.h
+++ b/src/core/memory.h
@@ -40,8 +40,9 @@ enum : VAddr {
KERNEL_REGION_END = KERNEL_REGION_VADDR + KERNEL_REGION_SIZE,
};
-/// Changes the currently active page table.
-void SetCurrentPageTable(Common::PageTable* page_table);
+/// Changes the currently active page table to that of
+/// the given process instance.
+void SetCurrentPageTable(Kernel::Process& process);
/// Determines if the given VAddr is valid for the specified process.
bool IsValidVirtualAddress(const Kernel::Process& process, VAddr vaddr);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 12:12:46 +0100