mirror of
https://github.com/LumaTeam/Luma3DS.git
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3253fdb255
- Modify the svcMapProcessMemoryEx svc so that it takes an extra flags argument. This change was made in a way that shouldn't break existing plugins or applications. - Add MAPEXFLAGS_PRIVATE flag, which maps the specified memory as PRIVATE instead of SHARED. - Allow plugins to be mapped with PRIVATE memory instead of SHARED with a flag in the .3gx header. This allows plugins to use socket and http services without additional hacks. --------- Co-authored-by: LittleCube <littlecubehax@gmail.com>
87 lines
3.2 KiB
C
87 lines
3.2 KiB
C
/*
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* This file is part of Luma3DS
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* Copyright (C) 2016-2020 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 "svc/MapProcessMemoryEx.h"
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Result MapProcessMemoryEx(Handle dstProcessHandle, u32 vaDst, Handle srcProcessHandle, u32 vaSrc, u32 size, MapExFlags flags)
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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 *srcProcess;
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KProcess *dstProcess;
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KProcessHandleTable *handleTable = handleTableOfProcess(currentCoreContext->objectContext.currentProcess);
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if (dstProcessHandle == CUR_PROCESS_HANDLE)
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{
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dstProcess = currentCoreContext->objectContext.currentProcess;
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KAutoObject__AddReference((KAutoObject *)dstProcess);
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}
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else
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dstProcess = KProcessHandleTable__ToKProcess(handleTable, dstProcessHandle);
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if (dstProcess == NULL)
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return 0xD8E007F7;
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if (srcProcessHandle == CUR_PROCESS_HANDLE)
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{
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srcProcess = currentCoreContext->objectContext.currentProcess;
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KAutoObject__AddReference((KAutoObject *)srcProcess);
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}
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else
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srcProcess = KProcessHandleTable__ToKProcess(handleTable, srcProcessHandle);
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if (srcProcess == NULL)
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{
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res = 0xD8E007F7;
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goto exit1;
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}
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KLinkedList__Initialize(&list);
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res = KProcessHwInfo__GetListOfKBlockInfoForVA(hwInfoOfProcess(srcProcess), &list, vaSrc, sizeInPage);
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if (res >= 0)
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{
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// Check if the destination address is free and large enough
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res = KProcessHwInfo__CheckVaState(hwInfoOfProcess(dstProcess), vaDst, size, 0, 0);
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if (res == 0)
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res = KProcessHwInfo__MapListOfKBlockInfo(hwInfoOfProcess(dstProcess), vaDst, &list, (flags & MAPEXFLAGS_PRIVATE) ? 0xBB05 : 0x5806, MEMPERM_RW | 0x18, 0);
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}
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KLinkedList_KBlockInfo__Clear(&list);
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((KAutoObject *)srcProcess)->vtable->DecrementReferenceCount((KAutoObject *)srcProcess);
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exit1:
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((KAutoObject *)dstProcess)->vtable->DecrementReferenceCount((KAutoObject *)dstProcess);
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invalidateEntireInstructionCache();
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flushEntireDataCache();
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return res;
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}
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