citra/src/core/hle/kernel/kernel.cpp

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2014-05-10 04:11:18 +02:00
// Copyright 2014 Citra Emulator Project / PPSSPP Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#pragma once
#include <string.h>
#include "common/common.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/thread.h"
KernelObjectPool g_kernel_objects;
void __KernelInit() {
__KernelThreadingInit();
}
void __KernelShutdown() {
__KernelThreadingShutdown();
}
KernelObjectPool::KernelObjectPool() {
memset(occupied, 0, sizeof(bool) * MAX_COUNT);
next_id = INITIAL_NEXT_ID;
}
UID KernelObjectPool::Create(KernelObject *obj, int range_bottom, int range_top) {
if (range_top > MAX_COUNT) {
range_top = MAX_COUNT;
}
if (next_id >= range_bottom && next_id < range_top) {
range_bottom = next_id++;
}
for (int i = range_bottom; i < range_top; i++) {
if (!occupied[i]) {
occupied[i] = true;
pool[i] = obj;
pool[i]->uid = i + HANDLE_OFFSET;
return i + HANDLE_OFFSET;
}
}
ERROR_LOG(HLE, "Unable to allocate kernel object, too many objects slots in use.");
return 0;
}
bool KernelObjectPool::IsValid(UID handle)
{
int index = handle - HANDLE_OFFSET;
if (index < 0)
return false;
if (index >= MAX_COUNT)
return false;
return occupied[index];
}
void KernelObjectPool::Clear()
{
for (int i = 0; i < MAX_COUNT; i++)
{
//brutally clear everything, no validation
if (occupied[i])
delete pool[i];
occupied[i] = false;
}
memset(pool, 0, sizeof(KernelObject*)*MAX_COUNT);
next_id = INITIAL_NEXT_ID;
}
KernelObject *&KernelObjectPool::operator [](UID handle)
{
_dbg_assert_msg_(KERNEL, IsValid(handle), "GRABBING UNALLOCED KERNEL OBJ");
return pool[handle - HANDLE_OFFSET];
}
void KernelObjectPool::List() {
for (int i = 0; i < MAX_COUNT; i++) {
if (occupied[i]) {
if (pool[i]) {
INFO_LOG(KERNEL, "KO %i: %s \"%s\"", i + HANDLE_OFFSET, pool[i]->GetTypeName(),
pool[i]->GetName());
}
}
}
}
int KernelObjectPool::GetCount()
{
int count = 0;
for (int i = 0; i < MAX_COUNT; i++)
{
if (occupied[i])
count++;
}
return count;
}
KernelObject *KernelObjectPool::CreateByIDType(int type) {
// Used for save states. This is ugly, but what other way is there?
switch (type) {
//case SCE_KERNEL_TMID_Alarm:
// return __KernelAlarmObject();
//case SCE_KERNEL_TMID_EventFlag:
// return __KernelEventFlagObject();
//case SCE_KERNEL_TMID_Mbox:
// return __KernelMbxObject();
//case SCE_KERNEL_TMID_Fpl:
// return __KernelMemoryFPLObject();
//case SCE_KERNEL_TMID_Vpl:
// return __KernelMemoryVPLObject();
//case PPSSPP_KERNEL_TMID_PMB:
// return __KernelMemoryPMBObject();
//case PPSSPP_KERNEL_TMID_Module:
// return __KernelModuleObject();
//case SCE_KERNEL_TMID_Mpipe:
// return __KernelMsgPipeObject();
//case SCE_KERNEL_TMID_Mutex:
// return __KernelMutexObject();
//case SCE_KERNEL_TMID_LwMutex:
// return __KernelLwMutexObject();
//case SCE_KERNEL_TMID_Semaphore:
// return __KernelSemaphoreObject();
//case SCE_KERNEL_TMID_Callback:
// return __KernelCallbackObject();
//case SCE_KERNEL_TMID_Thread:
// return __KernelThreadObject();
//case SCE_KERNEL_TMID_VTimer:
// return __KernelVTimerObject();
//case SCE_KERNEL_TMID_Tlspl:
// return __KernelTlsplObject();
//case PPSSPP_KERNEL_TMID_File:
// return __KernelFileNodeObject();
//case PPSSPP_KERNEL_TMID_DirList:
// return __KernelDirListingObject();
default:
ERROR_LOG(COMMON, "Unable to load state: could not find object type %d.", type);
return NULL;
}
}