125 lines
4.7 KiB
C
125 lines
4.7 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 <string.h>
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#include "synchronization.h"
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#include "svc.h"
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#include "svc/ControlMemory.h"
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#include "svc/GetHandleInfo.h"
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#include "svc/GetSystemInfo.h"
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#include "svc/GetProcessInfo.h"
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#include "svc/GetThreadInfo.h"
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#include "svc/ConnectToPort.h"
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#include "svc/SendSyncRequest.h"
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#include "svc/Break.h"
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#include "svc/SetGpuProt.h"
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#include "svc/SetWifiEnabled.h"
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#include "svc/Backdoor.h"
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#include "svc/KernelSetState.h"
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#include "svc/CustomBackdoor.h"
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#include "svc/MapProcessMemoryEx.h"
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#include "svc/UnmapProcessMemoryEx.h"
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#include "svc/ControlService.h"
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#include "svc/CopyHandle.h"
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#include "svc/TranslateHandle.h"
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void *officialSVCs[0x7E] = {NULL};
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void *alteredSvcTable[0x100] = {NULL};
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static Result BreakHook(UserBreakType breakReason, const void* croInfo, u32 croInfoSize)
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{
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KProcess *currentProcess = currentCoreContext->objectContext.currentProcess;
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void *funptr = (debugOfProcess(currentProcess) != NULL) ? officialSVCs[0x3C] : (void *)Break;
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return ((Result (*)(UserBreakType, const void *, u32))funptr)(breakReason, croInfo, croInfoSize);
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}
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void buildAlteredSvcTable(void)
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{
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memcpy(alteredSvcTable, officialSVCs, 4 * 0x7E);
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alteredSvcTable[0x01] = ControlMemoryHookWrapper;
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alteredSvcTable[0x29] = GetHandleInfoHookWrapper;
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alteredSvcTable[0x2A] = GetSystemInfoHookWrapper;
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alteredSvcTable[0x2B] = GetProcessInfoHookWrapper;
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alteredSvcTable[0x2C] = GetThreadInfoHookWrapper;
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alteredSvcTable[0x2D] = ConnectToPortHookWrapper;
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alteredSvcTable[0x32] = SendSyncRequestHook;
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alteredSvcTable[0x3C] = BreakHook;
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alteredSvcTable[0x59] = SetGpuProt;
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alteredSvcTable[0x5A] = SetWifiEnabled;
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alteredSvcTable[0x7B] = Backdoor;
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alteredSvcTable[0x7C] = KernelSetStateHook;
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// Custom SVCs past that point
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alteredSvcTable[0x80] = CustomBackdoor;
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alteredSvcTable[0x90] = convertVAToPA;
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alteredSvcTable[0x91] = flushDataCacheRange;
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alteredSvcTable[0x92] = flushEntireDataCache;
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alteredSvcTable[0x93] = invalidateInstructionCacheRange;
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alteredSvcTable[0x94] = invalidateEntireInstructionCache;
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alteredSvcTable[0xA0] = MapProcessMemoryEx;
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alteredSvcTable[0xA1] = UnmapProcessMemoryEx;
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alteredSvcTable[0xA2] = ControlMemoryEx;
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alteredSvcTable[0xB0] = ControlService;
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alteredSvcTable[0xB1] = CopyHandleWrapper;
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alteredSvcTable[0xB2] = TranslateHandleWrapper;
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}
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void signalSvcEntry(u32 svcId)
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{
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KProcess *currentProcess = currentCoreContext->objectContext.currentProcess;
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// Since DBGEVENT_SYSCALL_ENTRY is non blocking, we'll cheat using EXCEVENT_UNDEFINED_SYSCALL (debug->svcId is fortunately an u16!)
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if(debugOfProcess(currentProcess) != NULL && shouldSignalSyscallDebugEvent(currentProcess, svcId))
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SignalDebugEvent(DBGEVENT_OUTPUT_STRING, 0xFFFFFFFE, svcId);
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}
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void signalSvcReturn(u32 svcId)
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{
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KProcess *currentProcess = currentCoreContext->objectContext.currentProcess;
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// Since DBGEVENT_SYSCALL_RETURN is non blocking, we'll cheat using EXCEVENT_UNDEFINED_SYSCALL (debug->svcId is fortunately an u16!)
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if(debugOfProcess(currentProcess) != NULL && shouldSignalSyscallDebugEvent(currentProcess, svcId))
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SignalDebugEvent(DBGEVENT_OUTPUT_STRING, 0xFFFFFFFF, svcId);
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}
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void postprocessSvc(void)
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{
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KThread *currentThread = currentCoreContext->objectContext.currentThread;
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if(!currentThread->shallTerminate && rosalinaThreadLockPredicate(currentThread, rosalinaState & 5))
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rosalinaRescheduleThread(currentThread, true);
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officialPostProcessSvc();
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}
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