mirror of
https://github.com/RPCS3/rpcs3.git
synced 2024-11-22 10:42:36 +01:00
1395 lines
39 KiB
C++
1395 lines
39 KiB
C++
#include "bin_patch.h"
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#include "File.h"
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#include "Config.h"
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#include "version.h"
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#include "Emu/Memory/vm.h"
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#include "Emu/System.h"
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#include "util/types.hpp"
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#include "util/endian.hpp"
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#include "util/asm.hpp"
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#include <charconv>
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LOG_CHANNEL(patch_log, "PAT");
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template <>
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void fmt_class_string<YAML::NodeType::value>::format(std::string& out, u64 arg)
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{
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format_enum(out, arg, [](YAML::NodeType::value value)
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{
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switch (value)
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{
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case YAML::NodeType::Undefined: return "Undefined";
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case YAML::NodeType::Null: return "Null";
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case YAML::NodeType::Scalar: return "Scalar";
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case YAML::NodeType::Sequence: return "Sequence";
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case YAML::NodeType::Map: return "Map";
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}
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return unknown;
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});
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}
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template <>
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void fmt_class_string<patch_type>::format(std::string& out, u64 arg)
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{
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format_enum(out, arg, [](patch_type value)
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{
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switch (value)
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{
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case patch_type::invalid: return "invalid";
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case patch_type::alloc: return "alloc";
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case patch_type::code_alloc: return "calloc";
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case patch_type::jump: return "jump";
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case patch_type::jump_link: return "jumpl";
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case patch_type::jump_func: return "jumpf";
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case patch_type::load: return "load";
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case patch_type::byte: return "byte";
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case patch_type::le16: return "le16";
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case patch_type::le32: return "le32";
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case patch_type::le64: return "le64";
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case patch_type::bef32: return "bef32";
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case patch_type::bef64: return "bef64";
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case patch_type::be16: return "be16";
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case patch_type::be32: return "be32";
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case patch_type::bd32: return "bd32";
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case patch_type::be64: return "be64";
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case patch_type::bd64: return "bd64";
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case patch_type::lef32: return "lef32";
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case patch_type::lef64: return "lef64";
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case patch_type::utf8: return "utf8";
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}
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return unknown;
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});
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}
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patch_engine::patch_engine()
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{
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}
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std::string patch_engine::get_patch_config_path()
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{
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#ifdef _WIN32
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const std::string config_dir = fs::get_config_dir() + "config/";
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const std::string patch_path = config_dir + "patch_config.yml";
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if (!fs::create_path(config_dir))
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{
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patch_log.error("Could not create path: %s (%s)", patch_path, fs::g_tls_error);
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}
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return patch_path;
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#else
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return fs::get_config_dir() + "patch_config.yml";
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#endif
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}
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std::string patch_engine::get_patches_path()
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{
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return fs::get_config_dir() + "patches/";
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}
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std::string patch_engine::get_imported_patch_path()
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{
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return get_patches_path() + "imported_patch.yml";
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}
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static void append_log_message(std::stringstream* log_messages, const std::string& message)
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{
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if (log_messages)
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*log_messages << message << std::endl;
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};
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bool patch_engine::load(patch_map& patches_map, const std::string& path, std::string content, bool importing, std::stringstream* log_messages)
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{
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if (content.empty())
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{
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// Load patch file
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fs::file file{path};
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if (!file)
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{
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// Do nothing
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return true;
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}
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content = file.to_string();
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}
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// Interpret yaml nodes
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auto [root, error] = yaml_load(content);
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if (!error.empty() || !root)
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{
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append_log_message(log_messages, "Fatal Error: Failed to load file!");
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patch_log.fatal("Failed to load patch file %s:\n%s", path, error);
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return false;
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}
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// Load patch config to determine which patches are enabled
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patch_map patch_config;
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if (!importing)
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{
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patch_config = load_config();
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}
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std::string version;
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if (const auto version_node = root[patch_key::version])
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{
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version = version_node.Scalar();
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if (version != patch_engine_version)
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{
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append_log_message(log_messages, fmt::format("Error: File version %s does not match patch engine target version %s (file: %s)", version, patch_engine_version, path));
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patch_log.error("File version %s does not match patch engine target version %s (file: %s)", version, patch_engine_version, path);
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return false;
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}
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// We don't need the Version node in local memory anymore
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root.remove(patch_key::version);
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}
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else
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{
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append_log_message(log_messages, fmt::format("Error: No '%s' entry found. Patch engine version = %s (file: %s)", patch_key::version, patch_engine_version, path));
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patch_log.error("No '%s' entry found. Patch engine version = %s (file: %s)", patch_key::version, patch_engine_version, path);
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return false;
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}
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bool is_valid = true;
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// Go through each main key in the file
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for (auto pair : root)
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{
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const auto& main_key = pair.first.Scalar();
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if (const auto yml_type = pair.second.Type(); yml_type != YAML::NodeType::Map)
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{
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append_log_message(log_messages, fmt::format("Error: Skipping key %s: expected Map, found %s", main_key, yml_type));
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patch_log.error("Skipping key %s: expected Map, found %s (file: %s)", main_key, yml_type, path);
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is_valid = false;
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continue;
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}
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if (main_key.empty())
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{
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append_log_message(log_messages, "Error: Skipping empty key");
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patch_log.error("Skipping empty key (file: %s)", path);
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is_valid = false;
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continue;
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}
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// Skip Anchors
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if (main_key == patch_key::anchors)
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{
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continue;
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}
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// Find or create an entry matching the key/hash in our map
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auto& container = patches_map[main_key];
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container.hash = main_key;
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container.version = version;
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// Go through each patch
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for (auto patches_entry : pair.second)
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{
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// Each key in "Patches" is also the patch description
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const std::string& description = patches_entry.first.Scalar();
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// Compile patch information
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if (const auto yml_type = patches_entry.second.Type(); yml_type != YAML::NodeType::Map)
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{
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append_log_message(log_messages, fmt::format("Error: Skipping Patch key %s: expected Map, found %s (key: %s)", description, yml_type, main_key));
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patch_log.error("Skipping Patch key %s: expected Map, found %s (key: %s, file: %s)", description, yml_type, main_key, path);
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is_valid = false;
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continue;
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}
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struct patch_info info {};
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info.description = description;
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info.hash = main_key;
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info.version = version;
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info.source_path = path;
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if (const auto games_node = patches_entry.second[patch_key::games])
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{
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if (const auto yml_type = games_node.Type(); yml_type != YAML::NodeType::Map)
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{
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append_log_message(log_messages, fmt::format("Error: Skipping Games key: expected Map, found %s (patch: %s, key: %s)", yml_type, description, main_key));
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patch_log.error("Skipping Games key: expected Map, found %s (patch: %s, key: %s, file: %s)", yml_type, description, main_key, path);
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is_valid = false;
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continue;
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}
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for (const auto game_node : games_node)
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{
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const std::string& title = game_node.first.Scalar();
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if (title.empty())
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{
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append_log_message(log_messages, fmt::format("Error: Empty game title (key: %s, file: %s)", main_key, path));
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patch_log.error("Empty game title (key: %s, file: %s)", main_key, path);
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is_valid = false;
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continue;
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}
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if (const auto yml_type = game_node.second.Type(); yml_type != YAML::NodeType::Map)
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{
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append_log_message(log_messages, fmt::format("Error: Skipping game %s: expected Map, found %s (patch: %s, key: %s)", title, yml_type, description, main_key));
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patch_log.error("Skipping game %s: expected Map, found %s (patch: %s, key: %s, file: %s)", title, yml_type, description, main_key, path);
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is_valid = false;
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continue;
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}
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const bool title_is_all_key = title == patch_key::all;
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for (const auto serial_node : game_node.second)
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{
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const std::string& serial = serial_node.first.Scalar();
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if (serial.empty())
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{
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append_log_message(log_messages, fmt::format("Error: Using empty serial (title: %s, patch: %s, key: %s)", title, description, main_key));
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patch_log.error("Using empty serial (title: %s, patch: %s, key: %s, file: %s)", title, description, main_key, path);
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is_valid = false;
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continue;
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}
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else if (serial == patch_key::all)
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{
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if (!title_is_all_key)
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{
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append_log_message(log_messages, fmt::format("Error: Using '%s' as serial is not allowed for titles other than '%s' (title: %s, patch: %s, key: %s)", patch_key::all, patch_key::all, title, description, main_key));
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patch_log.error("Error: Using '%s' as serial is not allowed for titles other than '%s' (title: %s, patch: %s, key: %s, file: %s)", patch_key::all, patch_key::all, title, description, main_key, path);
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is_valid = false;
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continue;
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}
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}
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else if (title_is_all_key)
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{
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append_log_message(log_messages, fmt::format("Error: Only '%s' is allowed as serial if the title is '%s' (serial: %s, patch: %s, key: %s)", patch_key::all, patch_key::all, serial, description, main_key));
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patch_log.error("Error: Only '%s' is allowed as serial if the title is '%s' (serial: %s, patch: %s, key: %s, file: %s)", patch_key::all, patch_key::all, serial, description, main_key, path);
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is_valid = false;
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continue;
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}
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if (const auto yml_type = serial_node.second.Type(); yml_type != YAML::NodeType::Sequence)
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{
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append_log_message(log_messages, fmt::format("Error: Skipping %s: expected Sequence, found %s (title: %s, patch: %s, key: %s)", serial, title, yml_type, description, main_key));
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patch_log.error("Skipping %s: expected Sequence, found %s (title: %s, patch: %s, key: %s, file: %s)", serial, title, yml_type, description, main_key, path);
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is_valid = false;
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continue;
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}
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patch_engine::patch_app_versions app_versions;
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for (const auto version : serial_node.second)
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{
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const auto& app_version = version.Scalar();
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// Find out if this patch was enabled in the patch config
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const bool enabled = patch_config[main_key].patch_info_map[description].titles[title][serial][app_version];
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app_versions.emplace(version.Scalar(), enabled);
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}
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if (app_versions.empty())
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{
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append_log_message(log_messages, fmt::format("Error: Skipping %s: empty Sequence (title: %s, patch: %s, key: %s)", serial, title, description, main_key));
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patch_log.error("Skipping %s: empty Sequence (title: %s, patch: %s, key: %s, file: %s)", serial, title, description, main_key, path);
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is_valid = false;
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}
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else
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{
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info.titles[title][serial] = app_versions;
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}
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}
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}
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}
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if (const auto author_node = patches_entry.second[patch_key::author])
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{
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info.author = author_node.Scalar();
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}
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if (const auto patch_version_node = patches_entry.second[patch_key::patch_version])
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{
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info.patch_version = patch_version_node.Scalar();
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}
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if (const auto notes_node = patches_entry.second[patch_key::notes])
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{
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if (notes_node.IsSequence())
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{
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for (const auto note : notes_node)
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{
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if (note && note.IsScalar())
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{
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info.notes += note.Scalar();
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}
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else
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{
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append_log_message(log_messages, fmt::format("Error: Skipping sequenced Note (patch: %s, key: %s)", description, main_key));
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patch_log.error("Skipping sequenced Note (patch: %s, key: %s, file: %s)", description, main_key, path);
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is_valid = false;
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}
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}
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}
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else
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{
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info.notes = notes_node.Scalar();
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}
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}
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if (const auto patch_group_node = patches_entry.second[patch_key::group])
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{
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info.patch_group = patch_group_node.Scalar();
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}
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if (const auto patch_node = patches_entry.second[patch_key::patch])
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{
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if (!read_patch_node(info, patch_node, root, log_messages))
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{
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is_valid = false;
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}
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}
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// Skip this patch if a higher patch version already exists
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if (container.patch_info_map.find(description) != container.patch_info_map.end())
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{
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bool ok;
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const auto existing_version = container.patch_info_map[description].patch_version;
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const bool version_is_bigger = utils::compare_versions(info.patch_version, existing_version, ok) > 0;
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if (!ok || !version_is_bigger)
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{
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patch_log.warning("A higher or equal patch version already exists ('%s' vs '%s') for %s: %s (in file %s)", info.patch_version, existing_version, main_key, description, path);
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append_log_message(log_messages, fmt::format("A higher or equal patch version already exists ('%s' vs '%s') for %s: %s (in file %s)", info.patch_version, existing_version, main_key, description, path));
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continue;
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}
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else if (!importing)
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{
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patch_log.warning("A lower patch version was found ('%s' vs '%s') for %s: %s (in file %s)", existing_version, info.patch_version, main_key, description, container.patch_info_map[description].source_path);
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}
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}
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// Insert patch information
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container.patch_info_map[description] = info;
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}
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}
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return is_valid;
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}
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patch_type patch_engine::get_patch_type(const std::string& text)
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{
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u64 type_val = 0;
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if (!cfg::try_to_enum_value(&type_val, &fmt_class_string<patch_type>::format, text))
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{
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return patch_type::invalid;
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}
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return static_cast<patch_type>(type_val);
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}
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patch_type patch_engine::get_patch_type(YAML::Node node)
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{
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if (!node || !node.IsScalar())
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{
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return patch_type::invalid;
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}
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return get_patch_type(node.Scalar());
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}
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bool patch_engine::add_patch_data(YAML::Node node, patch_info& info, u32 modifier, const YAML::Node& root, std::stringstream* log_messages)
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{
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if (!node || !node.IsSequence())
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{
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append_log_message(log_messages, fmt::format("Skipping invalid patch node %s. (key: %s)", info.description, info.hash));
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patch_log.error("Skipping invalid patch node %s. (key: %s)", info.description, info.hash);
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return false;
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}
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const auto type_node = node[0];
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auto addr_node = node[1];
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const auto value_node = node[2];
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const auto type = get_patch_type(type_node);
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if (type == patch_type::invalid)
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{
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const auto type_str = type_node && type_node.IsScalar() ? type_node.Scalar() : "";
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append_log_message(log_messages, fmt::format("Skipping patch node %s: type '%s' is invalid. (key: %s)", info.description, type_str, info.hash));
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patch_log.error("Skipping patch node %s: type '%s' is invalid. (key: %s)", info.description, type_str, info.hash);
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return false;
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}
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if (type == patch_type::load)
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{
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// Special syntax: anchors (named sequence)
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// Check if the anchor was resolved.
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if (const auto yml_type = addr_node.Type(); yml_type != YAML::NodeType::Sequence)
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{
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append_log_message(log_messages, fmt::format("Skipping sequence: expected Sequence, found %s (key: %s)", yml_type, info.hash));
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patch_log.error("Skipping sequence: expected Sequence, found %s (key: %s)", yml_type, info.hash);
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return false;
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}
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// Address modifier (optional)
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const u32 mod = value_node.as<u32>(0);
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bool is_valid = true;
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for (const auto& item : addr_node)
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{
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if (!add_patch_data(item, info, mod, root, log_messages))
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{
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is_valid = false;
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}
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}
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return is_valid;
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}
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struct patch_data p_data{};
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p_data.type = type;
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p_data.offset = addr_node.as<u32>(0) + modifier;
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p_data.original_value = value_node.IsScalar() ? value_node.Scalar() : "";
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std::string error_message;
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switch (p_data.type)
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{
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case patch_type::utf8:
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case patch_type::jump_func:
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{
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break;
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}
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case patch_type::bef32:
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case patch_type::lef32:
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case patch_type::bef64:
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case patch_type::lef64:
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{
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p_data.value.double_value = get_yaml_node_value<f64>(value_node, error_message);
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break;
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}
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default:
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{
|
|
p_data.value.long_value = get_yaml_node_value<u64>(value_node, error_message);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!error_message.empty())
|
|
{
|
|
error_message = fmt::format("Skipping patch data entry: [ %s, 0x%.8x, %s ] (key: %s) %s",
|
|
p_data.type, p_data.offset, p_data.original_value.empty() ? "?" : p_data.original_value, info.hash, error_message);
|
|
append_log_message(log_messages, error_message);
|
|
patch_log.error("%s", error_message);
|
|
return false;
|
|
}
|
|
|
|
info.data_list.emplace_back(p_data);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool patch_engine::read_patch_node(patch_info& info, YAML::Node node, const YAML::Node& root, std::stringstream* log_messages)
|
|
{
|
|
if (!node)
|
|
{
|
|
append_log_message(log_messages, fmt::format("Skipping invalid patch node %s. (key: %s)", info.description, info.hash));
|
|
patch_log.error("Skipping invalid patch node %s. (key: %s)", info.description, info.hash);
|
|
return false;
|
|
}
|
|
|
|
if (const auto yml_type = node.Type(); yml_type != YAML::NodeType::Sequence)
|
|
{
|
|
append_log_message(log_messages, fmt::format("Skipping patch node %s: expected Sequence, found %s (key: %s)", info.description, yml_type, info.hash));
|
|
patch_log.error("Skipping patch node %s: expected Sequence, found %s (key: %s)", info.description, yml_type, info.hash);
|
|
return false;
|
|
}
|
|
|
|
bool is_valid = true;
|
|
|
|
for (auto patch : node)
|
|
{
|
|
if (!add_patch_data(patch, info, 0, root, log_messages))
|
|
{
|
|
is_valid = false;
|
|
}
|
|
}
|
|
|
|
return is_valid;
|
|
}
|
|
|
|
void patch_engine::append_global_patches()
|
|
{
|
|
// Regular patch.yml
|
|
load(m_map, get_patches_path() + "patch.yml");
|
|
|
|
// Imported patch.yml
|
|
load(m_map, get_imported_patch_path());
|
|
}
|
|
|
|
void patch_engine::append_title_patches(const std::string& title_id)
|
|
{
|
|
if (title_id.empty())
|
|
{
|
|
return;
|
|
}
|
|
|
|
// Regular patch.yml
|
|
load(m_map, get_patches_path() + title_id + "_patch.yml");
|
|
}
|
|
|
|
void ppu_register_range(u32 addr, u32 size);
|
|
bool ppu_form_branch_to_code(u32 entry, u32 target, bool link = false, bool with_toc = false, std::string module_name = {});
|
|
u32 ppu_generate_id(std::string_view name);
|
|
|
|
void unmap_vm_area(std::shared_ptr<vm::block_t>& ptr)
|
|
{
|
|
if (ptr && ptr->flags & (1ull << 62))
|
|
{
|
|
vm::unmap(0, true, &ptr);
|
|
}
|
|
}
|
|
|
|
// Returns old 'applied' size
|
|
static usz apply_modification(std::basic_string<u32>& applied, const patch_engine::patch_info& patch, u8* dst, u32 filesz, u32 min_addr)
|
|
{
|
|
const usz old_applied_size = applied.size();
|
|
|
|
for (const auto& p : patch.data_list)
|
|
{
|
|
if (p.type != patch_type::alloc) continue;
|
|
|
|
// Do not allow null address or if dst is not a VM ptr
|
|
if (const u32 alloc_at = vm::try_get_addr(dst + (p.offset & -4096)).first; alloc_at >> 16)
|
|
{
|
|
const u32 alloc_size = utils::align(static_cast<u32>(p.value.long_value) + alloc_at % 4096, 4096);
|
|
|
|
// Allocate map if needed, if allocated flags will indicate that bit 62 is set (unique identifier)
|
|
auto alloc_map = vm::reserve_map(vm::any, alloc_at & -0x10000, utils::align(alloc_size, 0x10000), vm::page_size_64k | (1ull << 62));
|
|
|
|
u64 flags = vm::alloc_unwritable;
|
|
|
|
switch (p.offset % patch_engine::mem_protection::mask)
|
|
{
|
|
case patch_engine::mem_protection::wx: flags = vm::alloc_executable; break;
|
|
case patch_engine::mem_protection::ro: break;
|
|
case patch_engine::mem_protection::rx: flags |= vm::alloc_executable; break;
|
|
case patch_engine::mem_protection::rw: flags &= ~vm::alloc_unwritable; break;
|
|
default: ensure(false);
|
|
}
|
|
|
|
if (alloc_map)
|
|
{
|
|
if ((p.alloc_addr = alloc_map->falloc(alloc_at, alloc_size, nullptr, flags)))
|
|
{
|
|
if (flags & vm::alloc_executable)
|
|
{
|
|
ppu_register_range(alloc_at, alloc_size);
|
|
}
|
|
|
|
applied.push_back(::narrow<u32>(&p - patch.data_list.data())); // Remember index in case of failure to allocate any memory
|
|
continue;
|
|
}
|
|
|
|
// Revert if allocated map before failure
|
|
unmap_vm_area(alloc_map);
|
|
}
|
|
}
|
|
|
|
// Revert in case of failure
|
|
std::for_each(applied.begin() + old_applied_size, applied.end(), [&](u32 index)
|
|
{
|
|
const u32 addr = std::exchange(patch.data_list[index].alloc_addr, 0);
|
|
|
|
vm::dealloc(addr);
|
|
|
|
auto alloc_map = vm::get(vm::any, addr);
|
|
unmap_vm_area(alloc_map);
|
|
});
|
|
|
|
applied.resize(old_applied_size);
|
|
return old_applied_size;
|
|
}
|
|
|
|
// Fixup values from before
|
|
std::fill(applied.begin() + old_applied_size, applied.end(), u32{umax});
|
|
|
|
u32 relocate_instructions_at = 0;
|
|
|
|
for (const auto& p : patch.data_list)
|
|
{
|
|
u32 offset = p.offset;
|
|
|
|
if (relocate_instructions_at && vm::read32(relocate_instructions_at) != 0x6000'0000u)
|
|
{
|
|
// No longer points a NOP to be filled, meaning we ran out of instructions
|
|
relocate_instructions_at = 0;
|
|
}
|
|
|
|
if (!relocate_instructions_at && (offset < min_addr || offset - min_addr >= filesz))
|
|
{
|
|
// This patch is out of range for this segment
|
|
continue;
|
|
}
|
|
|
|
offset -= min_addr;
|
|
|
|
auto ptr = dst + offset;
|
|
|
|
if (relocate_instructions_at)
|
|
{
|
|
offset = relocate_instructions_at;
|
|
ptr = vm::get_super_ptr<u8>(relocate_instructions_at);
|
|
relocate_instructions_at += 4; // Advance to the next instruction on dynamic memory
|
|
}
|
|
|
|
u32 resval = umax;
|
|
|
|
switch (p.type)
|
|
{
|
|
case patch_type::invalid:
|
|
case patch_type::load:
|
|
{
|
|
// Invalid in this context
|
|
continue;
|
|
}
|
|
case patch_type::alloc:
|
|
{
|
|
// Applied before
|
|
continue;
|
|
}
|
|
case patch_type::code_alloc:
|
|
{
|
|
relocate_instructions_at = 0;
|
|
|
|
const u32 out_branch = vm::try_get_addr(dst + (offset & -4)).first;
|
|
|
|
// Allow only if points to a PPU executable instruction
|
|
if (out_branch < 0x10000 || out_branch >= 0x4000'0000 || !vm::check_addr<4>(out_branch, vm::page_executable))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
const u32 alloc_size = utils::align(static_cast<u32>(p.value.long_value + 1) * 4, 0x10000);
|
|
|
|
// Always executable
|
|
u64 flags = vm::alloc_executable | vm::alloc_unwritable;
|
|
|
|
switch (p.offset % patch_engine::mem_protection::mask)
|
|
{
|
|
case patch_engine::mem_protection::rw:
|
|
case patch_engine::mem_protection::wx:
|
|
{
|
|
flags &= ~vm::alloc_unwritable;
|
|
break;
|
|
}
|
|
case patch_engine::mem_protection::ro:
|
|
case patch_engine::mem_protection::rx:
|
|
{
|
|
break;
|
|
}
|
|
default: ensure(false);
|
|
}
|
|
|
|
const auto alloc_map = ensure(vm::get(vm::any, out_branch));
|
|
|
|
// Range allowed for absolute branches to operate at
|
|
// It takes into account that we need to put a branch for return at the end of memory space
|
|
const u32 addr = p.alloc_addr = alloc_map->alloc(alloc_size, nullptr, 0x10000, flags);
|
|
|
|
if (!addr)
|
|
{
|
|
patch_log.error("Failed to allocate 0x%x bytes for code (entry=0x%x)", alloc_size, addr, out_branch);
|
|
continue;
|
|
}
|
|
|
|
patch_log.success("Allocated 0x%x for code at 0x%x (entry=0x%x)", alloc_size, addr, out_branch);
|
|
|
|
// NOP filled
|
|
std::fill_n(vm::get_super_ptr<u32>(addr), p.value.long_value, 0x60000000);
|
|
|
|
// Register code
|
|
ppu_register_range(addr, alloc_size);
|
|
|
|
// Write branch to code
|
|
ppu_form_branch_to_code(out_branch, addr);
|
|
resval = out_branch & -4;
|
|
|
|
// Write address of the allocated memory to the code entry
|
|
*vm::get_super_ptr<u32>(resval) = addr;
|
|
|
|
// Write branch to return to code
|
|
ppu_form_branch_to_code(addr + static_cast<u32>(p.value.long_value) * 4, resval + 4);
|
|
relocate_instructions_at = addr;
|
|
break;
|
|
}
|
|
case patch_type::jump:
|
|
case patch_type::jump_link:
|
|
{
|
|
const u32 out_branch = vm::try_get_addr(dst + (offset & -4)).first;
|
|
const u32 dest = static_cast<u32>(p.value.long_value);
|
|
|
|
// Allow only if points to a PPU executable instruction
|
|
if (!ppu_form_branch_to_code(out_branch, dest, p.type == patch_type::jump_link))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
resval = out_branch & -4;
|
|
break;
|
|
}
|
|
case patch_type::jump_func:
|
|
{
|
|
const std::string& str = p.original_value;
|
|
|
|
const u32 out_branch = vm::try_get_addr(dst + (offset & -4)).first;
|
|
const usz sep_pos = str.find_first_of(':');
|
|
|
|
// Must contain only a single ':' or none
|
|
// If ':' is found: Left string is the module name, right string is the function name
|
|
// If ':' is not found: The entire string is a direct address of the function's descriptor in hexadecimal
|
|
if (str.size() <= 2 || !sep_pos || sep_pos == str.size() - 1 || sep_pos != str.find_last_of(":"))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
const std::string_view func_name{std::string_view(str).substr(sep_pos + 1)};
|
|
u32 id = 0;
|
|
|
|
if (func_name.starts_with("0x"sv))
|
|
{
|
|
// Raw hexadeciaml-formatted FNID (real function name cannot contain a digit at the start, derived from C/CPP which were used in PS3 development)
|
|
const auto result = std::from_chars(func_name.data() + 2, func_name.data() + func_name.size() - 2, id, 16);
|
|
|
|
if (result.ec != std::errc() || str.data() + sep_pos != result.ptr)
|
|
{
|
|
continue;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (sep_pos == umax)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
// Generate FNID using function name
|
|
id = ppu_generate_id(func_name);
|
|
}
|
|
|
|
// Allow only if points to a PPU executable instruction
|
|
// FNID/OPD-address is placed at target
|
|
if (!ppu_form_branch_to_code(out_branch, id, true, true, std::string{str.data(), sep_pos != umax ? sep_pos : 0}))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
resval = out_branch & -4;
|
|
break;
|
|
}
|
|
case patch_type::byte:
|
|
{
|
|
*ptr = static_cast<u8>(p.value.long_value);
|
|
break;
|
|
}
|
|
case patch_type::le16:
|
|
{
|
|
le_t<u16> val = static_cast<u16>(p.value.long_value);
|
|
std::memcpy(ptr, &val, sizeof(val));
|
|
break;
|
|
}
|
|
case patch_type::le32:
|
|
{
|
|
le_t<u32> val = static_cast<u32>(p.value.long_value);
|
|
std::memcpy(ptr, &val, sizeof(val));
|
|
break;
|
|
}
|
|
case patch_type::lef32:
|
|
{
|
|
le_t<f32> val = static_cast<f32>(p.value.double_value);
|
|
std::memcpy(ptr, &val, sizeof(val));
|
|
break;
|
|
}
|
|
case patch_type::le64:
|
|
{
|
|
le_t<u64> val = static_cast<u64>(p.value.long_value);
|
|
std::memcpy(ptr, &val, sizeof(val));
|
|
break;
|
|
}
|
|
case patch_type::lef64:
|
|
{
|
|
le_t<f64> val = p.value.double_value;
|
|
std::memcpy(ptr, &val, sizeof(val));
|
|
break;
|
|
}
|
|
case patch_type::be16:
|
|
{
|
|
be_t<u16> val = static_cast<u16>(p.value.long_value);
|
|
std::memcpy(ptr, &val, sizeof(val));
|
|
break;
|
|
}
|
|
case patch_type::bd32:
|
|
{
|
|
be_t<u32> val = static_cast<u32>(p.value.long_value);
|
|
std::memcpy(ptr, &val, sizeof(val));
|
|
break;
|
|
}
|
|
case patch_type::be32:
|
|
{
|
|
be_t<u32> val = static_cast<u32>(p.value.long_value);
|
|
std::memcpy(ptr, &val, sizeof(val));
|
|
if (offset % 4 == 0)
|
|
resval = offset;
|
|
break;
|
|
}
|
|
case patch_type::bef32:
|
|
{
|
|
be_t<f32> val = static_cast<f32>(p.value.double_value);
|
|
std::memcpy(ptr, &val, sizeof(val));
|
|
break;
|
|
}
|
|
case patch_type::bd64:
|
|
{
|
|
be_t<u64> val = static_cast<u64>(p.value.long_value);
|
|
std::memcpy(ptr, &val, sizeof(val));
|
|
break;
|
|
}
|
|
case patch_type::be64:
|
|
{
|
|
be_t<u64> val = static_cast<u64>(p.value.long_value);
|
|
std::memcpy(ptr, &val, sizeof(val));
|
|
|
|
if (offset % 4)
|
|
{
|
|
break;
|
|
}
|
|
|
|
resval = offset;
|
|
applied.push_back((offset + 7) & -4); // Two 32-bit locations
|
|
break;
|
|
}
|
|
case patch_type::bef64:
|
|
{
|
|
be_t<f64> val = p.value.double_value;
|
|
std::memcpy(ptr, &val, sizeof(val));
|
|
break;
|
|
}
|
|
case patch_type::utf8:
|
|
{
|
|
std::memcpy(ptr, p.original_value.data(), p.original_value.size());
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Possibly an executable instruction
|
|
applied.push_back(resval);
|
|
}
|
|
|
|
return old_applied_size;
|
|
}
|
|
|
|
std::basic_string<u32> patch_engine::apply(const std::string& name, u8* dst, u32 filesz, u32 min_addr)
|
|
{
|
|
if (m_map.find(name) == m_map.cend())
|
|
{
|
|
return {};
|
|
}
|
|
|
|
std::basic_string<u32> applied_total;
|
|
const auto& container = m_map.at(name);
|
|
const auto& serial = Emu.GetTitleID();
|
|
const auto& app_version = Emu.GetAppVersion();
|
|
|
|
// Different containers in order to seperate the patches
|
|
std::vector<const patch_info*> patches_for_this_serial_and_this_version;
|
|
std::vector<const patch_info*> patches_for_this_serial_and_all_versions;
|
|
std::vector<const patch_info*> patches_for_all_serials_and_this_version;
|
|
std::vector<const patch_info*> patches_for_all_serials_and_all_versions;
|
|
|
|
// Sort patches into different vectors based on their serial and version
|
|
for (const auto& [description, patch] : container.patch_info_map)
|
|
{
|
|
// Find out if this patch is enabled
|
|
for (const auto& [title, serials] : patch.titles)
|
|
{
|
|
bool is_all_serials = false;
|
|
bool is_all_versions = false;
|
|
|
|
std::string found_serial;
|
|
|
|
if (serials.find(serial) != serials.end())
|
|
{
|
|
found_serial = serial;
|
|
}
|
|
else if (serials.find(patch_key::all) != serials.end())
|
|
{
|
|
found_serial = patch_key::all;
|
|
is_all_serials = true;
|
|
}
|
|
|
|
if (found_serial.empty())
|
|
{
|
|
continue;
|
|
}
|
|
|
|
const auto& app_versions = serials.at(found_serial);
|
|
std::string found_app_version;
|
|
|
|
if (app_versions.find(app_version) != app_versions.end())
|
|
{
|
|
found_app_version = app_version;
|
|
}
|
|
else if (app_versions.find(patch_key::all) != app_versions.end())
|
|
{
|
|
found_app_version = patch_key::all;
|
|
is_all_versions = true;
|
|
}
|
|
|
|
if (!found_app_version.empty() && app_versions.at(found_app_version))
|
|
{
|
|
// This patch is enabled
|
|
if (is_all_serials)
|
|
{
|
|
if (is_all_versions)
|
|
{
|
|
patches_for_all_serials_and_all_versions.emplace_back(&patch);
|
|
}
|
|
else
|
|
{
|
|
patches_for_all_serials_and_this_version.emplace_back(&patch);
|
|
}
|
|
}
|
|
else if (is_all_versions)
|
|
{
|
|
patches_for_this_serial_and_all_versions.emplace_back(&patch);
|
|
}
|
|
else
|
|
{
|
|
patches_for_this_serial_and_this_version.emplace_back(&patch);
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Apply modifications sequentially
|
|
auto apply_func = [&](const patch_info& patch)
|
|
{
|
|
const usz old_size = apply_modification(applied_total, patch, dst, filesz, min_addr);
|
|
|
|
if (applied_total.size() != old_size)
|
|
{
|
|
patch_log.success("Applied patch (hash='%s', description='%s', author='%s', patch_version='%s', file_version='%s') (<- %u)", patch.hash, patch.description, patch.author, patch.patch_version, patch.version, applied_total.size() - old_size);
|
|
}
|
|
};
|
|
|
|
// Sort specific patches after global patches
|
|
// So they will determine the end results
|
|
const auto patch_super_list =
|
|
{
|
|
&patches_for_all_serials_and_all_versions,
|
|
&patches_for_all_serials_and_this_version,
|
|
&patches_for_this_serial_and_all_versions,
|
|
&patches_for_this_serial_and_this_version
|
|
};
|
|
|
|
// Filter by patch group (reverse so specific patches will be prioritized over globals)
|
|
for (auto it = std::rbegin(patch_super_list); it != std::rend(patch_super_list); it++)
|
|
{
|
|
for (auto& patch : *it.operator*())
|
|
{
|
|
if (!patch->patch_group.empty())
|
|
{
|
|
if (!m_applied_groups.insert(patch->patch_group).second)
|
|
{
|
|
patch = nullptr;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for (auto patch_list : patch_super_list)
|
|
{
|
|
for (const patch_info* patch : *patch_list)
|
|
{
|
|
if (patch)
|
|
{
|
|
apply_func(*patch);
|
|
}
|
|
}
|
|
}
|
|
|
|
return applied_total;
|
|
}
|
|
|
|
void patch_engine::unload(const std::string& name)
|
|
{
|
|
if (m_map.find(name) == m_map.cend())
|
|
{
|
|
return;
|
|
}
|
|
|
|
const auto& container = m_map.at(name);
|
|
|
|
for (const auto& [description, patch] : container.patch_info_map)
|
|
{
|
|
for (auto& entry : patch.data_list)
|
|
{
|
|
// Deallocate used memory
|
|
if (u32 addr = std::exchange(entry.alloc_addr, 0))
|
|
{
|
|
vm::dealloc(addr);
|
|
|
|
auto alloc_map = vm::get(vm::any, addr);
|
|
unmap_vm_area(alloc_map);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void patch_engine::save_config(const patch_map& patches_map)
|
|
{
|
|
const std::string path = get_patch_config_path();
|
|
patch_log.notice("Saving patch config file %s", path);
|
|
|
|
YAML::Emitter out;
|
|
out << YAML::BeginMap;
|
|
|
|
// Save 'enabled' state per hash, description, serial and app_version
|
|
patch_map config_map;
|
|
|
|
for (const auto& [hash, container] : patches_map)
|
|
{
|
|
for (const auto& [description, patch] : container.patch_info_map)
|
|
{
|
|
for (const auto& [title, serials] : patch.titles)
|
|
{
|
|
for (const auto& [serial, app_versions] : serials)
|
|
{
|
|
for (const auto& [app_version, enabled] : app_versions)
|
|
{
|
|
if (enabled)
|
|
{
|
|
config_map[hash].patch_info_map[description].titles[title][serial][app_version] = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (const auto& enabled_patches = config_map[hash].patch_info_map; !enabled_patches.empty())
|
|
{
|
|
out << hash << YAML::BeginMap;
|
|
|
|
for (const auto& [description, patch] : enabled_patches)
|
|
{
|
|
const auto& titles = patch.titles;
|
|
|
|
out << description << YAML::BeginMap;
|
|
|
|
for (const auto& [title, serials] : titles)
|
|
{
|
|
out << title << YAML::BeginMap;
|
|
|
|
for (const auto& [serial, app_versions] : serials)
|
|
{
|
|
out << serial << YAML::BeginMap;
|
|
|
|
for (const auto& [app_version, enabled] : app_versions)
|
|
{
|
|
out << app_version << enabled;
|
|
}
|
|
|
|
out << YAML::EndMap;
|
|
}
|
|
|
|
out << YAML::EndMap;
|
|
}
|
|
|
|
out << YAML::EndMap;
|
|
}
|
|
|
|
out << YAML::EndMap;
|
|
}
|
|
}
|
|
|
|
out << YAML::EndMap;
|
|
|
|
fs::pending_file file(path);
|
|
|
|
if (!file.file || (file.file.write(out.c_str(), out.size()), !file.commit()))
|
|
{
|
|
patch_log.error("Failed to create patch config file %s (%s)", path, fs::g_tls_error);
|
|
}
|
|
}
|
|
|
|
static void append_patches(patch_engine::patch_map& existing_patches, const patch_engine::patch_map& new_patches, usz& count, usz& total, std::stringstream* log_messages)
|
|
{
|
|
for (const auto& [hash, new_container] : new_patches)
|
|
{
|
|
total += new_container.patch_info_map.size();
|
|
|
|
if (existing_patches.find(hash) == existing_patches.end())
|
|
{
|
|
existing_patches[hash] = new_container;
|
|
count += new_container.patch_info_map.size();
|
|
continue;
|
|
}
|
|
|
|
auto& container = existing_patches[hash];
|
|
|
|
for (const auto& [description, new_info] : new_container.patch_info_map)
|
|
{
|
|
if (container.patch_info_map.find(description) == container.patch_info_map.end())
|
|
{
|
|
container.patch_info_map[description] = new_info;
|
|
count++;
|
|
continue;
|
|
}
|
|
|
|
auto& info = container.patch_info_map[description];
|
|
|
|
bool ok;
|
|
const bool version_is_bigger = utils::compare_versions(new_info.patch_version, info.patch_version, ok) > 0;
|
|
|
|
if (!ok)
|
|
{
|
|
patch_log.error("Failed to compare patch versions ('%s' vs '%s') for %s: %s", new_info.patch_version, info.patch_version, hash, description);
|
|
append_log_message(log_messages, fmt::format("Failed to compare patch versions ('%s' vs '%s') for %s: %s", new_info.patch_version, info.patch_version, hash, description));
|
|
continue;
|
|
}
|
|
|
|
if (!version_is_bigger)
|
|
{
|
|
patch_log.error("A higher or equal patch version already exists ('%s' vs '%s') for %s: %s", new_info.patch_version, info.patch_version, hash, description);
|
|
append_log_message(log_messages, fmt::format("A higher or equal patch version already exists ('%s' vs '%s') for %s: %s", new_info.patch_version, info.patch_version, hash, description));
|
|
continue;
|
|
}
|
|
|
|
for (const auto& [title, new_serials] : new_info.titles)
|
|
{
|
|
for (const auto& [serial, new_app_versions] : new_serials)
|
|
{
|
|
if (!new_app_versions.empty())
|
|
{
|
|
info.titles[title][serial].insert(new_app_versions.begin(), new_app_versions.end());
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!new_info.patch_version.empty()) info.patch_version = new_info.patch_version;
|
|
if (!new_info.author.empty()) info.author = new_info.author;
|
|
if (!new_info.notes.empty()) info.notes = new_info.notes;
|
|
if (!new_info.data_list.empty()) info.data_list = new_info.data_list;
|
|
if (!new_info.source_path.empty()) info.source_path = new_info.source_path;
|
|
|
|
count++;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool patch_engine::save_patches(const patch_map& patches, const std::string& path, std::stringstream* log_messages)
|
|
{
|
|
fs::file file(path, fs::rewrite);
|
|
if (!file)
|
|
{
|
|
patch_log.fatal("save_patches: Failed to open patch file %s (%s)", path, fs::g_tls_error);
|
|
append_log_message(log_messages, fmt::format("Failed to open patch file %s (%s)", path, fs::g_tls_error));
|
|
return false;
|
|
}
|
|
|
|
YAML::Emitter out;
|
|
out << YAML::BeginMap;
|
|
out << patch_key::version << patch_engine_version;
|
|
|
|
for (const auto& [hash, container] : patches)
|
|
{
|
|
if (container.patch_info_map.empty())
|
|
{
|
|
continue;
|
|
}
|
|
|
|
out << YAML::Newline << YAML::Newline;
|
|
out << hash << YAML::BeginMap;
|
|
|
|
for (const auto& [description, info] : container.patch_info_map)
|
|
{
|
|
out << description << YAML::BeginMap;
|
|
out << patch_key::games << YAML::BeginMap;
|
|
|
|
for (const auto& [title, serials] : info.titles)
|
|
{
|
|
out << title << YAML::BeginMap;
|
|
|
|
for (const auto& [serial, app_versions] : serials)
|
|
{
|
|
out << serial << YAML::BeginSeq;
|
|
|
|
for (const auto& app_version : app_versions)
|
|
{
|
|
out << app_version.first;
|
|
}
|
|
|
|
out << YAML::EndSeq;
|
|
}
|
|
|
|
out << YAML::EndMap;
|
|
}
|
|
|
|
out << YAML::EndMap;
|
|
|
|
if (!info.author.empty()) out << patch_key::author << info.author;
|
|
if (!info.patch_version.empty()) out << patch_key::patch_version << info.patch_version;
|
|
if (!info.patch_group.empty()) out << patch_key::group << info.patch_group;
|
|
if (!info.notes.empty()) out << patch_key::notes << info.notes;
|
|
|
|
out << patch_key::patch << YAML::BeginSeq;
|
|
|
|
for (const auto& data : info.data_list)
|
|
{
|
|
if (data.type == patch_type::invalid || data.type == patch_type::load)
|
|
{
|
|
// Unreachable with current logic
|
|
continue;
|
|
}
|
|
|
|
out << YAML::Flow;
|
|
out << YAML::BeginSeq;
|
|
out << fmt::format("%s", data.type);
|
|
out << fmt::format("0x%.8x", data.offset);
|
|
out << data.original_value;
|
|
out << YAML::EndSeq;
|
|
}
|
|
|
|
out << YAML::EndSeq;
|
|
out << YAML::EndMap;
|
|
}
|
|
|
|
out << YAML::EndMap;
|
|
}
|
|
|
|
out << YAML::EndMap;
|
|
|
|
file.write(out.c_str(), out.size());
|
|
|
|
return true;
|
|
}
|
|
|
|
bool patch_engine::import_patches(const patch_engine::patch_map& patches, const std::string& path, usz& count, usz& total, std::stringstream* log_messages)
|
|
{
|
|
patch_engine::patch_map existing_patches;
|
|
|
|
if (load(existing_patches, path, "", true, log_messages))
|
|
{
|
|
append_patches(existing_patches, patches, count, total, log_messages);
|
|
return count == 0 || save_patches(existing_patches, path, log_messages);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool patch_engine::remove_patch(const patch_info& info)
|
|
{
|
|
patch_engine::patch_map patches;
|
|
|
|
if (load(patches, info.source_path))
|
|
{
|
|
if (patches.find(info.hash) != patches.end())
|
|
{
|
|
auto& container = patches[info.hash];
|
|
|
|
if (container.patch_info_map.find(info.description) != container.patch_info_map.end())
|
|
{
|
|
container.patch_info_map.erase(info.description);
|
|
return save_patches(patches, info.source_path);
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
patch_engine::patch_map patch_engine::load_config()
|
|
{
|
|
patch_map config_map;
|
|
|
|
const std::string path = get_patch_config_path();
|
|
patch_log.notice("Loading patch config file %s", path);
|
|
|
|
if (fs::file f{ path })
|
|
{
|
|
auto [root, error] = yaml_load(f.to_string());
|
|
|
|
if (!error.empty())
|
|
{
|
|
patch_log.fatal("Failed to load patch config file %s:\n%s", path, error);
|
|
return config_map;
|
|
}
|
|
|
|
for (const auto pair : root)
|
|
{
|
|
const auto& hash = pair.first.Scalar();
|
|
|
|
if (const auto yml_type = pair.second.Type(); yml_type != YAML::NodeType::Map)
|
|
{
|
|
patch_log.error("Error loading patch config key %s: expected Map, found %s (file: %s)", hash, yml_type, path);
|
|
continue;
|
|
}
|
|
|
|
for (const auto patch : pair.second)
|
|
{
|
|
const auto& description = patch.first.Scalar();
|
|
|
|
if (const auto yml_type = patch.second.Type(); yml_type != YAML::NodeType::Map)
|
|
{
|
|
patch_log.error("Error loading patch %s: expected Map, found %s (hash: %s, file: %s)", description, yml_type, hash, path);
|
|
continue;
|
|
}
|
|
|
|
for (const auto title_node : patch.second)
|
|
{
|
|
const auto& title = title_node.first.Scalar();
|
|
|
|
if (const auto yml_type = title_node.second.Type(); yml_type != YAML::NodeType::Map)
|
|
{
|
|
patch_log.error("Error loading %s: expected Map, found %s (description: %s, hash: %s, file: %s)", title, yml_type, description, hash, path);
|
|
continue;
|
|
}
|
|
|
|
for (const auto serial_node : title_node.second)
|
|
{
|
|
const auto& serial = serial_node.first.Scalar();
|
|
|
|
if (const auto yml_type = serial_node.second.Type(); yml_type != YAML::NodeType::Map)
|
|
{
|
|
patch_log.error("Error loading %s: expected Map, found %s (title: %s, description: %s, hash: %s, file: %s)", serial, yml_type, title, description, hash, path);
|
|
continue;
|
|
}
|
|
|
|
for (const auto app_version_node : serial_node.second)
|
|
{
|
|
const auto& app_version = app_version_node.first.Scalar();
|
|
const bool enabled = app_version_node.second.as<bool>(false);
|
|
config_map[hash].patch_info_map[description].titles[title][serial][app_version] = enabled;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return config_map;
|
|
}
|