116 lines
2.7 KiB
C++
116 lines
2.7 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <algorithm>
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#include "common/common.h"
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#include "core/core.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/thread.h"
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namespace Kernel {
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Handle g_main_thread = 0;
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ObjectPool g_object_pool;
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u64 g_program_id = 0;
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ObjectPool::ObjectPool() {
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next_id = INITIAL_NEXT_ID;
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}
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Handle ObjectPool::Create(Object* obj, int range_bottom, int range_top) {
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if (range_top > MAX_COUNT) {
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range_top = MAX_COUNT;
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}
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if (next_id >= range_bottom && next_id < range_top) {
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range_bottom = next_id++;
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}
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for (int i = range_bottom; i < range_top; i++) {
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if (!occupied[i]) {
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occupied[i] = true;
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pool[i] = obj;
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pool[i]->handle = i + HANDLE_OFFSET;
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return i + HANDLE_OFFSET;
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}
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}
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LOG_ERROR(Kernel, "Unable to allocate kernel object, too many objects slots in use.");
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return 0;
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}
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bool ObjectPool::IsValid(Handle handle) const {
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int index = handle - HANDLE_OFFSET;
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if (index < 0)
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return false;
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if (index >= MAX_COUNT)
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return false;
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return occupied[index];
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}
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void ObjectPool::Clear() {
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for (int i = 0; i < MAX_COUNT; i++) {
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//brutally clear everything, no validation
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if (occupied[i])
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delete pool[i];
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occupied[i] = false;
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}
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pool.fill(nullptr);
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next_id = INITIAL_NEXT_ID;
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}
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Object* &ObjectPool::operator [](Handle handle)
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{
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_dbg_assert_msg_(Kernel, IsValid(handle), "GRABBING UNALLOCED KERNEL OBJ");
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return pool[handle - HANDLE_OFFSET];
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}
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void ObjectPool::List() {
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for (int i = 0; i < MAX_COUNT; i++) {
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if (occupied[i]) {
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if (pool[i]) {
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LOG_DEBUG(Kernel, "KO %i: %s \"%s\"", i + HANDLE_OFFSET, pool[i]->GetTypeName().c_str(),
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pool[i]->GetName().c_str());
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}
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}
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}
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}
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int ObjectPool::GetCount() const {
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return std::count(occupied.begin(), occupied.end(), true);
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}
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Object* ObjectPool::CreateByIDType(int type) {
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LOG_ERROR(Kernel, "Unimplemented: %d.", type);
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return nullptr;
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}
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/// Initialize the kernel
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void Init() {
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Kernel::ThreadingInit();
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}
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/// Shutdown the kernel
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void Shutdown() {
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Kernel::ThreadingShutdown();
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g_object_pool.Clear(); // Free all kernel objects
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}
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/**
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* Loads executable stored at specified address
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* @entry_point Entry point in memory of loaded executable
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* @return True on success, otherwise false
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*/
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bool LoadExec(u32 entry_point) {
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Core::g_app_core->SetPC(entry_point);
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// 0x30 is the typical main thread priority I've seen used so far
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g_main_thread = Kernel::SetupMainThread(0x30);
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return true;
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}
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} // namespace
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