mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-23 02:42:09 +00:00
dmnt-cheat: Implement memory service cmds
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parent
e8a5aa81f4
commit
ef68881e5c
6 changed files with 140 additions and 14 deletions
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@ -82,8 +82,7 @@ Result DmntCheatManager::ReadCheatProcessMemoryForVm(u64 proc_addr, void *out_da
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return svcReadDebugProcessMemory(out_data, g_cheat_process_debug_hnd, proc_addr, size);
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}
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/* TODO: Return value... */
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return 0x20F;
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return ResultDmntCheatNotAttached;
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}
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Result DmntCheatManager::WriteCheatProcessMemoryForVm(u64 proc_addr, const void *data, size_t size) {
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@ -91,8 +90,67 @@ Result DmntCheatManager::WriteCheatProcessMemoryForVm(u64 proc_addr, const void
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return svcWriteDebugProcessMemory(g_cheat_process_debug_hnd, data, proc_addr, size);
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}
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/* TODO: Return value... */
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return 0x20F;
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return ResultDmntCheatNotAttached;
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}
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Result DmntCheatManager::GetCheatProcessMappingCount(u64 *out_count) {
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std::scoped_lock<HosMutex> lk(g_cheat_lock);
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if (!HasActiveCheatProcess()) {
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return ResultDmntCheatNotAttached;
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}
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MemoryInfo mem_info;
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u64 address = 0;
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*out_count = 0;
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do {
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mem_info.perm = 0;
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u32 tmp;
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if (R_FAILED(svcQueryDebugProcessMemory(&mem_info, &tmp, g_cheat_process_debug_hnd, address))) {
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break;
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}
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if (mem_info.perm != 0) {
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*out_count += 1;
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}
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address = mem_info.addr + mem_info.size;
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} while (address != 0);
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return 0;
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}
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Result DmntCheatManager::GetCheatProcessMappings(MemoryInfo *mappings, size_t max_count, u64 *out_count, u64 offset) {
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std::scoped_lock<HosMutex> lk(g_cheat_lock);
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if (!HasActiveCheatProcess()) {
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return ResultDmntCheatNotAttached;
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}
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MemoryInfo mem_info;
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u64 address = 0;
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u64 count = 0;
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*out_count = 0;
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do {
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mem_info.perm = 0;
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u32 tmp;
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if (R_FAILED(svcQueryDebugProcessMemory(&mem_info, &tmp, g_cheat_process_debug_hnd, address))) {
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break;
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}
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if (mem_info.perm != 0) {
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count++;
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if (count > offset) {
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mappings[(*out_count)++] = mem_info;
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}
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}
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address = mem_info.addr + mem_info.size;
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} while (address != 0 && *out_count < max_count);
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return 0;
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}
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Result DmntCheatManager::ReadCheatProcessMemory(u64 proc_addr, void *out_data, size_t size) {
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@ -107,6 +165,17 @@ Result DmntCheatManager::WriteCheatProcessMemory(u64 proc_addr, const void *data
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return WriteCheatProcessMemoryForVm(proc_addr, data, size);
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}
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Result DmntCheatManager::QueryCheatProcessMemory(MemoryInfo *mapping, u64 address) {
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std::scoped_lock<HosMutex> lk(g_cheat_lock);
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if (HasActiveCheatProcess()) {
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u32 tmp;
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return svcQueryDebugProcessMemory(mapping, &tmp, g_cheat_process_debug_hnd, address);
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}
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return ResultDmntCheatNotAttached;
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}
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Handle DmntCheatManager::PrepareDebugNextApplication() {
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Result rc;
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Handle event_h;
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@ -263,8 +332,7 @@ Result DmntCheatManager::GetCheatProcessMetadata(CheatProcessMetadata *out) {
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return 0;
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}
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/* TODO: Decide on a set of return values... */
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return 0x20F;
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return ResultDmntCheatNotAttached;
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}
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void DmntCheatManager::InitializeCheatManager() {
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@ -37,8 +37,12 @@ class DmntCheatManager {
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static Result ReadCheatProcessMemoryForVm(u64 proc_addr, void *out_data, size_t size);
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static Result WriteCheatProcessMemoryForVm(u64 proc_addr, const void *data, size_t size);
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static Result GetCheatProcessMappingCount(u64 *out_count);
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static Result GetCheatProcessMappings(MemoryInfo *mappings, size_t max_count, u64 *out_count, u64 offset);
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static Result ReadCheatProcessMemory(u64 proc_addr, void *out_data, size_t size);
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static Result WriteCheatProcessMemory(u64 proc_addr, const void *data, size_t size);
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static Result QueryCheatProcessMemory(MemoryInfo *mapping, u64 address);
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static void InitializeCheatManager();
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};
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@ -32,23 +32,45 @@ Result DmntCheatService::GetCheatProcessMetadata(Out<CheatProcessMetadata> out_m
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Result DmntCheatService::GetCheatProcessMappingCount(Out<u64> out_count) {
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/* TODO */
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return 0xF601;
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return DmntCheatManager::GetCheatProcessMappingCount(out_count.GetPointer());
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}
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Result DmntCheatService::GetCheatProcessMappings(OutBuffer<MemoryInfo> mappings, Out<u64> out_count, u64 offset) {
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/* TODO */
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return 0xF601;
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if (mappings.buffer == nullptr) {
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return ResultDmntCheatNullBuffer;
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}
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return DmntCheatManager::GetCheatProcessMappings(mappings.buffer, mappings.num_elements, out_count.GetPointer(), offset);
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}
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Result DmntCheatService::ReadCheatProcessMemory(OutBuffer<u8> buffer, u64 address, u64 out_size) {
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/* TODO */
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return 0xF601;
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if (buffer.buffer == nullptr) {
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return ResultDmntCheatNullBuffer;
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}
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u64 sz = out_size;
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if (buffer.num_elements < sz) {
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sz = buffer.num_elements;
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}
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return DmntCheatManager::ReadCheatProcessMemory(address, buffer.buffer, sz);
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}
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Result DmntCheatService::WriteCheatProcessMemory(InBuffer<u8> buffer, u64 address, u64 in_size) {
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/* TODO */
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return 0xF601;
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if (buffer.buffer == nullptr) {
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return ResultDmntCheatNullBuffer;
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}
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u64 sz = in_size;
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if (buffer.num_elements < sz) {
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sz = buffer.num_elements;
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}
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return DmntCheatManager::WriteCheatProcessMemory(address, buffer.buffer, sz);
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}
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Result DmntCheatService::QueryCheatProcessMemory(Out<MemoryInfo> mapping, u64 address) {
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return DmntCheatManager::QueryCheatProcessMemory(mapping.GetPointer(), address);
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}
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@ -31,6 +31,7 @@ enum DmntCheatCmd {
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DmntCheat_Cmd_GetCheatProcessMappings = 65101,
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DmntCheat_Cmd_ReadCheatProcessMemory = 65102,
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DmntCheat_Cmd_WriteCheatProcessMemory = 65103,
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DmntCheat_Cmd_QueryCheatProcessMemory = 65104,
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/* Interact with Cheats */
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DmntCheat_Cmd_GetCheatCount = 65200,
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@ -56,6 +57,7 @@ class DmntCheatService final : public IServiceObject {
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Result GetCheatProcessMappings(OutBuffer<MemoryInfo> mappings, Out<u64> out_count, u64 offset);
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Result ReadCheatProcessMemory(OutBuffer<u8> buffer, u64 address, u64 out_size);
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Result WriteCheatProcessMemory(InBuffer<u8> buffer, u64 address, u64 in_size);
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Result QueryCheatProcessMemory(Out<MemoryInfo> mapping, u64 address);
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Result GetCheatCount(Out<u64> out_count);
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Result GetCheats(OutBuffer<CheatEntry> cheats, Out<u64> out_count, u64 offset);
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@ -78,6 +80,7 @@ class DmntCheatService final : public IServiceObject {
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MakeServiceCommandMeta<DmntCheat_Cmd_GetCheatProcessMappings, &DmntCheatService::GetCheatProcessMappings>(),
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MakeServiceCommandMeta<DmntCheat_Cmd_ReadCheatProcessMemory, &DmntCheatService::ReadCheatProcessMemory>(),
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MakeServiceCommandMeta<DmntCheat_Cmd_WriteCheatProcessMemory, &DmntCheatService::WriteCheatProcessMemory>(),
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MakeServiceCommandMeta<DmntCheat_Cmd_QueryCheatProcessMemory, &DmntCheatService::QueryCheatProcessMemory>(),
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MakeServiceCommandMeta<DmntCheat_Cmd_GetCheatCount, &DmntCheatService::GetCheatCount>(),
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MakeServiceCommandMeta<DmntCheat_Cmd_GetCheats, &DmntCheatService::GetCheats>(),
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@ -18,6 +18,8 @@
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#include <switch.h>
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#include <stratosphere.hpp>
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#include "dmnt_results.hpp"
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struct MemoryRegionExtents {
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u64 base;
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u64 size;
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27
stratosphere/dmnt/source/dmnt_results.hpp
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27
stratosphere/dmnt/source/dmnt_results.hpp
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@ -0,0 +1,27 @@
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/*
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* Copyright (c) 2018 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* 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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#pragma once
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#include <switch.h>
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#include <stratosphere.hpp>
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static constexpr u32 Module_Dmnt = 13;
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static constexpr Result ResultDmntUnknown = MAKERESULT(Module_Dmnt, 1);
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static constexpr Result ResultDmntDebuggingDisabled = MAKERESULT(Module_Dmnt, 2);
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static constexpr Result ResultDmntCheatNotAttached = MAKERESULT(Module_Dmnt, 6500);
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static constexpr Result ResultDmntCheatNullBuffer = MAKERESULT(Module_Dmnt, 6501);
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