74 lines
2.6 KiB
C
74 lines
2.6 KiB
C
/*
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* This file is part of Luma3DS
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* Copyright (C) 2016-2018 Aurora Wright, TuxSH
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Additional Terms 7.b and 7.c of GPLv3 apply to this file:
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* * Requiring preservation of specified reasonable legal notices or
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* author attributions in that material or in the Appropriate Legal
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* Notices displayed by works containing it.
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* * Prohibiting misrepresentation of the origin of that material,
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* or requiring that modified versions of such material be marked in
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* reasonable ways as different from the original version.
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*/
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#include "globals.h"
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#include "svc/MapProcessMemoryEx.h"
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Result UnmapProcessMemoryEx(Handle processHandle, void *dst, u32 size)
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{
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Result res = 0;
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u32 sizeInPage = size >> 12;
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KLinkedList list;
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KProcess *process;
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KProcessHwInfo *hwInfo;
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KProcessHandleTable *handleTable = handleTableOfProcess(currentCoreContext->objectContext.currentProcess);
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if (processHandle == CUR_PROCESS_HANDLE)
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{
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process = currentCoreContext->objectContext.currentProcess;
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KAutoObject__AddReference((KAutoObject *)process);
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}
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else
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process = KProcessHandleTable__ToKProcess(handleTable, processHandle);
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if (process == NULL)
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return 0xD8E007F7;
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hwInfo = hwInfoOfProcess(process);
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KLinkedList__Initialize(&list);
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res = KProcessHwInfo__GetListOfKBlockInfoForVA(hwInfo, &list, (u32)dst, sizeInPage);
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if (res >= 0)
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{
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// Check for dst address to be in the right state (0x5806 as we set it with svcMapProcessMemoryEx)
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res = KProcessHwInfo__CheckVaState(hwInfo, (u32)dst, size, 0x5806, 0);
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if (res == 0)
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res = KProcessHwInfo__MapListOfKBlockInfo(hwInfo, (u32)dst, &list, 0, 0, 0);
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}
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KLinkedList_KBlockInfo__Clear(&list);
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((KAutoObject *)process)->vtable->DecrementReferenceCount((KAutoObject *)process);
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invalidateEntireInstructionCache();
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flushEntireDataCache();
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return res;
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}
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