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Patch system: export some info for future use

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For now it's just a list of addresses.
For now it's not used (just a stub).
This commit is contained in:
Nekotekina 2021-02-02 19:18:50 +03:00
parent fad89f1c3b
commit b7ff2ecffb
4 changed files with 32 additions and 26 deletions
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32
Utilities/bin_patch.cpp
View file

@ -505,26 +505,27 @@ void patch_engine::append_title_patches(const std::string& title_id)
load(m_map, get_patches_path() + title_id + "_patch.yml");
}
usz patch_engine::apply(const std::string& name, u8* dst)
std::basic_string<u32> patch_engine::apply(const std::string& name, u8* dst)
{
return apply_patch<false>(name, dst, 0, 0);
}
usz patch_engine::apply_with_ls_check(const std::string& name, u8* dst, u32 filesz, u32 ls_addr)
std::basic_string<u32> patch_engine::apply_with_ls_check(const std::string& name, u8* dst, u32 filesz, u32 ls_addr)
{
return apply_patch<true>(name, dst, filesz, ls_addr);
}
template <bool check_local_storage>
static usz apply_modification(const patch_engine::patch_info& patch, u8* dst, u32 filesz, u32 ls_addr)
template <bool CheckLS>
static std::basic_string<u32> apply_modification(const patch_engine::patch_info& patch, u8* dst, u32 filesz, u32 ls_addr)
{
usz applied = 0;
std::basic_string<u32> applied;
for (const auto& p : patch.data_list)
{
u32 offset = p.offset;
u32 resval = 0;
if constexpr (check_local_storage)
if constexpr (CheckLS)
{
if (offset < ls_addr || offset >= (ls_addr + filesz))
{
@ -583,6 +584,10 @@ static usz apply_modification(const patch_engine::patch_info& patch, u8* dst, u3
case patch_type::be32:
{
*reinterpret_cast<be_t<u32, 1>*>(ptr) = static_cast<u32>(p.value.long_value);
// Possibly an executable instruction
if constexpr (!CheckLS)
resval = offset;
break;
}
case patch_type::bef32:
@ -602,21 +607,21 @@ static usz apply_modification(const patch_engine::patch_info& patch, u8* dst, u3
}
}
++applied;
applied.push_back(resval);
}
return applied;
}
template <bool check_local_storage>
usz patch_engine::apply_patch(const std::string& name, u8* dst, u32 filesz, u32 ls_addr)
template <bool CheckLS>
std::basic_string<u32> patch_engine::apply_patch(const std::string& name, u8* dst, u32 filesz, u32 ls_addr)
{
if (m_map.find(name) == m_map.cend())
{
return 0;
return {};
}
usz applied_total = 0;
std::basic_string<u32> applied_total;
const auto& container = m_map.at(name);
const auto serial = Emu.GetTitleID();
const auto app_version = Emu.GetAppVersion();
@ -714,10 +719,11 @@ usz patch_engine::apply_patch(const std::string& name, u8* dst, u32 filesz, u32
m_applied_groups.insert(patch.patch_group);
}
const usz applied = apply_modification<check_local_storage>(patch, dst, filesz, ls_addr);
auto applied = apply_modification<CheckLS>(patch, dst, filesz, ls_addr);
applied_total += applied;
patch_log.success("Applied patch (hash='%s', description='%s', author='%s', patch_version='%s', file_version='%s') (<- %d)", patch.hash, patch.description, patch.author, patch.patch_version, patch.version, applied);
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.size());
}
return applied_total;