diff --git a/sysmodules/rosalina/source/menus/cheats.c b/sysmodules/rosalina/source/menus/cheats.c index 3fbe273..82207ff 100644 --- a/sysmodules/rosalina/source/menus/cheats.c +++ b/sysmodules/rosalina/source/menus/cheats.c @@ -55,9 +55,6 @@ typedef struct CheatDescription u64 codes[0]; } CheatDescription; -u32 codeStartAddress, heapStartAddress; -u32 codeTotalSize, heapTotalSize; - CheatDescription* cheats[1024] = { 0 }; u8 cheatFileBuffer[16384] = { 0 }; u32 cheatFilePos = 0; @@ -118,75 +115,81 @@ u64 cheatTitleInfo = -1ULL; char failureReason[64]; -static bool Cheat_IsValidAddress(u32 address, u32 size) +static bool Cheat_IsValidAddress(const Handle processHandle, u32 address, u32 size) { - if (codeStartAddress > 0 && codeStartAddress <= address && address <= codeStartAddress + codeTotalSize - size) - { - return true; - } - if (heapStartAddress > 0 && heapStartAddress <= address && address <= heapStartAddress + heapTotalSize - size) - { + MemInfo info; + PageInfo out; + + Result res = svcQueryDebugProcessMemory(&info, &out, processHandle, address); + if (R_SUCCEEDED(res) && info.state != MEMSTATE_FREE && info.base_addr > 0 && info.base_addr <= address && address <= info.base_addr + info.size - size) { return true; } return false; } -static bool Cheat_Write8(u32 offset, u8 value) +static u32 ReadWriteBuffer32 = 0; +static u16 ReadWriteBuffer16 = 0; +static u8 ReadWriteBuffer8 = 0; + +static bool Cheat_Write8(const Handle processHandle, u32 offset, u8 value) { - if (Cheat_IsValidAddress(cheat_state.offset + offset, 1)) + if (Cheat_IsValidAddress(processHandle, cheat_state.offset + offset, 1)) { - *((u8*) (cheat_state.offset + offset)) = value; - return true; + *((u8*) (&ReadWriteBuffer8)) = value; + return R_SUCCEEDED(svcWriteProcessMemory(processHandle, &ReadWriteBuffer8, cheat_state.offset + offset, 1)); } return false; } -static bool Cheat_Write16(u32 offset, u16 value) +static bool Cheat_Write16(const Handle processHandle, u32 offset, u16 value) { - if (Cheat_IsValidAddress(cheat_state.offset + offset, 2)) + if (Cheat_IsValidAddress(processHandle, cheat_state.offset + offset, 2)) { - *((u16*) (cheat_state.offset + offset)) = value; - return true; + *((u16*) (&ReadWriteBuffer16)) = value; + return R_SUCCEEDED(svcWriteProcessMemory(processHandle, &ReadWriteBuffer16, cheat_state.offset + offset, 2)); } return false; } -static bool Cheat_Write32(u32 offset, u32 value) +static bool Cheat_Write32(const Handle processHandle, u32 offset, u32 value) { - if (Cheat_IsValidAddress(cheat_state.offset + offset, 4)) + if (Cheat_IsValidAddress(processHandle, cheat_state.offset + offset, 4)) { - *((u32*) (cheat_state.offset + offset)) = value; - return true; + *((u32*) (&ReadWriteBuffer32)) = value; + return R_SUCCEEDED(svcWriteProcessMemory(processHandle, &ReadWriteBuffer32, cheat_state.offset + offset, 4)); } return false; } -static bool Cheat_Read8(u32 offset, u8* retValue) +static bool Cheat_Read8(const Handle processHandle, u32 offset, u8* retValue) { - if (Cheat_IsValidAddress(cheat_state.offset + offset, 1)) + if (Cheat_IsValidAddress(processHandle, cheat_state.offset + offset, 1)) { - *retValue = *((u8*) (cheat_state.offset + offset)); - return true; + Result res = svcReadProcessMemory(&ReadWriteBuffer8, processHandle, cheat_state.offset + offset, 1); + *retValue = *((u8*) (&ReadWriteBuffer8)); + return R_SUCCEEDED(res); } return false; } -static bool Cheat_Read16(u32 offset, u16* retValue) +static bool Cheat_Read16(const Handle processHandle, u32 offset, u16* retValue) { - if (Cheat_IsValidAddress(cheat_state.offset + offset, 2)) + if (Cheat_IsValidAddress(processHandle, cheat_state.offset + offset, 2)) { - *retValue = *((u16*) (cheat_state.offset + offset)); - return true; + Result res = svcReadProcessMemory(&ReadWriteBuffer16, processHandle, cheat_state.offset + offset, 2); + *retValue = *((u16*) (&ReadWriteBuffer16)); + return R_SUCCEEDED(res); } return false; } -static bool Cheat_Read32(u32 offset, u32* retValue) +static bool Cheat_Read32(const Handle processHandle, u32 offset, u32* retValue) { - if (Cheat_IsValidAddress(cheat_state.offset + offset, 4)) + if (Cheat_IsValidAddress(processHandle, cheat_state.offset + offset, 4)) { - *retValue = *((u32*) (cheat_state.offset + offset)); - return true; + Result res = svcReadProcessMemory(&ReadWriteBuffer32, processHandle, cheat_state.offset + offset, 4); + *retValue = *((u32*) (&ReadWriteBuffer32)); + return R_SUCCEEDED(res); } return false; } @@ -208,7 +211,7 @@ static u8 Cheat_GetNextTypeE(const CheatDescription* cheat) return (u8) ((cheat->codes[cheat_state.typeELine] >> (typeEMapping[cheat_state.typeEIdx])) & 0xFF); } -static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) +static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription* const cheat) { cheat_state.index = 0; cheat_state.offset = 0; @@ -241,7 +244,7 @@ static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) // Description: 32bit write of YYYYYYYY to 0XXXXXXX. if (!skipExecution) { - if (!Cheat_Write32((arg0 & 0x0FFFFFFF), arg1)) return 0; + if (!Cheat_Write32(processHandle, (arg0 & 0x0FFFFFFF), arg1)) return 0; } break; case 0x1: @@ -250,7 +253,7 @@ static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) // Description: 16bit write of YYYY to 0XXXXXXX. if (!skipExecution) { - if (!Cheat_Write16((arg0 & 0x0FFFFFFF), (u16) (arg1 & 0xFFFF))) return 0; + if (!Cheat_Write16(processHandle, (arg0 & 0x0FFFFFFF), (u16) (arg1 & 0xFFFF))) return 0; } break; case 0x2: @@ -259,7 +262,7 @@ static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) // Description: 8bit write of YY to 0XXXXXXX. if (!skipExecution) { - if (!Cheat_Write8((arg0 & 0x0FFFFFFF), (u8) (arg1 & 0xFF))) return 0; + if (!Cheat_Write8(processHandle, (arg0 & 0x0FFFFFFF), (u8) (arg1 & 0xFF))) return 0; } break; case 0x3: @@ -271,7 +274,7 @@ static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) { u32 newSkip; u32 value = 0; - if (!Cheat_Read32(arg0 & 0x0FFFFFFF, &value)) return 0; + if (!Cheat_Read32(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0; if (value < arg1) { newSkip = 0; @@ -295,7 +298,7 @@ static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) { u32 newSkip; u32 value = 0; - if (!Cheat_Read32(arg0 & 0x0FFFFFFF, &value)) return 0; + if (!Cheat_Read32(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0; if (value > arg1) { newSkip = 0; @@ -319,7 +322,7 @@ static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) { u32 newSkip; u32 value = 0; - if (!Cheat_Read32(arg0 & 0x0FFFFFFF, &value)) return 0; + if (!Cheat_Read32(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0; if (value == arg1) { newSkip = 0; @@ -343,7 +346,7 @@ static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) { u32 newSkip; u32 value = 0; - if (!Cheat_Read32(arg0 & 0x0FFFFFFF, &value)) return 0; + if (!Cheat_Read32(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0; if (value != arg1) { newSkip = 0; @@ -368,7 +371,7 @@ static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) u32 newSkip; u16 mask = (u16) ((arg1 >> 16) & 0xFFFF); u16 value = 0; - if (!Cheat_Read16(arg0 & 0x0FFFFFFF, &value)) return 0; + if (!Cheat_Read16(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0; if ((value & (~mask)) < (arg1 & 0xFFFF)) { newSkip = 0; @@ -393,7 +396,7 @@ static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) u32 newSkip; u16 mask = (u16) ((arg1 >> 16) & 0xFFFF); u16 value = 0; - if (!Cheat_Read16(arg0 & 0x0FFFFFFF, &value)) return 0; + if (!Cheat_Read16(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0; if ((value & (~mask)) > (arg1 & 0xFFFF)) { newSkip = 0; @@ -418,7 +421,7 @@ static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) u32 newSkip; u16 mask = (u16) ((arg1 >> 16) & 0xFFFF); u16 value = 0; - if (!Cheat_Read16(arg0 & 0x0FFFFFFF, &value)) return 0; + if (!Cheat_Read16(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0; if ((value & (~mask)) == (arg1 & 0xFFFF)) { newSkip = 0; @@ -443,7 +446,7 @@ static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) u32 newSkip; u16 mask = (u16) ((arg1 >> 16) & 0xFFFF); u16 value = 0; - if (!Cheat_Read16(arg0 & 0x0FFFFFFF, &value)) return 0; + if (!Cheat_Read16(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0; if ((value & (~mask)) != (arg1 & 0xFFFF)) { newSkip = 0; @@ -659,7 +662,7 @@ static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) // Example: D3000000 023D6B28 if (!skipExecution) { - if (!Cheat_Write32(arg1, cheat_state.data)) return 0; + if (!Cheat_Write32(processHandle, arg1, cheat_state.data)) return 0; cheat_state.offset += 4; } break; @@ -672,7 +675,7 @@ static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) // Example: D7000000 023D6B28 if (!skipExecution) { - if (!Cheat_Write16(arg1, (u16) (cheat_state.data & 0xFFFF))) return 0; + if (!Cheat_Write16(processHandle, arg1, (u16) (cheat_state.data & 0xFFFF))) return 0; cheat_state.offset += 2; } break; @@ -685,7 +688,7 @@ static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) // Example: D8000000 023D6B28 if (!skipExecution) { - if (!Cheat_Write8(arg1, (u8) (cheat_state.data & 0xFF))) return 0; + if (!Cheat_Write8(processHandle, arg1, (u8) (cheat_state.data & 0xFF))) return 0; cheat_state.offset += 1; } break; @@ -699,7 +702,7 @@ static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) if (!skipExecution) { u32 value = 0; - if (!Cheat_Read32(arg1, &value)) return 0; + if (!Cheat_Read32(processHandle, arg1, &value)) return 0; cheat_state.data = value; } break; @@ -713,7 +716,7 @@ static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) if (!skipExecution) { u16 value = 0; - if (!Cheat_Read16(arg1, &value)) return 0; + if (!Cheat_Read16(processHandle, arg1, &value)) return 0; cheat_state.data = value; } break; @@ -727,7 +730,7 @@ static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) if (!skipExecution) { u8 value = 0; - if (!Cheat_Read8(arg1, &value)) return 0; + if (!Cheat_Read8(processHandle, arg1, &value)) return 0; cheat_state.data = value; } break; @@ -783,7 +786,7 @@ static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) u8 byte = Cheat_GetNextTypeE(cheat); if (!skipExecution) { - if (!Cheat_Write8(beginOffset + i, byte)) return 0; + if (!Cheat_Write8(processHandle, beginOffset + i, byte)) return 0; } } cheat_state.index = cheat_state.typeELine; @@ -797,66 +800,45 @@ static u32 Cheat_ApplyCheat(const CheatDescription* const cheat) return 1; } +static void Cheat_EatEvents(Handle debug) +{ + DebugEventInfo info; + Result r; + + while(true) + { + if((r = svcGetProcessDebugEvent(&info, debug)) != 0) + { + if(r == (s32)(0xd8402009)) + { + break; + } + } + svcContinueDebugEvent(debug, 3); + } +} + static Result Cheat_MapMemoryAndApplyCheat(u32 pid, CheatDescription* const cheat) { Handle processHandle; + Handle debugHandle; Result res; res = svcOpenProcess(&processHandle, pid); if (R_SUCCEEDED(res)) { - - u32 codeDestAddress, heapDestAddress; - - s64 textStartAddress, textTotalRoundedSize, rodataTotalRoundedSize, dataTotalRoundedSize; - - svcGetProcessInfo(&textTotalRoundedSize, processHandle, 0x10002); - svcGetProcessInfo(&rodataTotalRoundedSize, processHandle, 0x10003); - svcGetProcessInfo(&dataTotalRoundedSize, processHandle, 0x10004); - - svcGetProcessInfo(&textStartAddress, processHandle, 0x10005); - - codeTotalSize = (u32) (textTotalRoundedSize + rodataTotalRoundedSize + dataTotalRoundedSize); - codeDestAddress = codeStartAddress = (u32) textStartAddress; //should be 0x00100000 - - MemInfo info; - PageInfo out; - - heapDestAddress = heapStartAddress = 0x08000000; - svcQueryProcessMemory(&info, &out, processHandle, heapStartAddress); - heapTotalSize = info.size; - - Result codeRes = svcMapProcessMemoryEx(processHandle, codeDestAddress, codeStartAddress, codeTotalSize); - if (R_FAILED(codeRes)) + res = svcDebugActiveProcess(&debugHandle, pid); + if (R_SUCCEEDED(res)) { - codeStartAddress = codeTotalSize = 0; - } + Cheat_EatEvents(debugHandle); + cheat->valid = Cheat_ApplyCheat(debugHandle, cheat); - Result heapRes = svcMapProcessMemoryEx(processHandle, heapDestAddress, heapStartAddress, heapTotalSize); - if (R_FAILED(heapRes)) - { - heapStartAddress = heapTotalSize = 0; - } - - if (R_SUCCEEDED(codeRes) || R_SUCCEEDED(heapRes)) - { - cheat->valid = Cheat_ApplyCheat(cheat); - - if (R_SUCCEEDED(codeRes)) - { - svcUnmapProcessMemoryEx(processHandle, codeDestAddress, codeTotalSize); - } - if (R_SUCCEEDED(heapRes)) - { - svcUnmapProcessMemoryEx(processHandle, heapDestAddress, heapTotalSize); - } + svcCloseHandle(debugHandle); svcCloseHandle(processHandle); cheat->active = 1; } else { svcCloseHandle(processHandle); - sprintf(failureReason, "Can not map any memory"); - return codeRes; } } else @@ -1073,8 +1055,12 @@ static void Cheat_LoadCheatsIntoMemory(u64 titleId) Cheat_AddCode(cheat, tmp); if (((tmp >> 32) & 0xFFFFFFFF) == 0xDD000000) { - cheat->keyCombo |= (tmp & 0xFFF); - cheat->keyActivated = 1; + if (tmp & 0xFFFFFFFF) + { + // Not empty key code + cheat->keyCombo |= (tmp & 0xFFF); + cheat->keyActivated = 1; + } } } }