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loader: refactor to use fs bindings

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This commit is contained in:
Michael Scire 2020-03-09 03:10:12 -07:00
parent 4c5e980e07
commit 237b513408
30 changed files with 821 additions and 650 deletions
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31
stratosphere/loader/source/ldr_patcher.cpp
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@ -26,13 +26,42 @@ namespace ams::ldr {
constexpr size_t NsoPatchesProtectedSize = sizeof(NsoHeader);
constexpr size_t NsoPatchesProtectedOffset = sizeof(NsoHeader);
constexpr const char * const LoaderSdMountName = "#amsldr-sdpatch";
static_assert(sizeof(LoaderSdMountName) <= fs::MountNameLengthMax);
os::Mutex g_ldr_sd_lock;
bool g_mounted_sd;
bool EnsureSdCardMounted() {
std::scoped_lock lk(g_ldr_sd_lock);
if (g_mounted_sd) {
return true;
}
if (!cfg::IsSdCardInitialized()) {
return false;
}
if (R_FAILED(fs::MountSdCard(LoaderSdMountName))) {
return false;
}
return (g_mounted_sd = true);
}
}
/* Apply IPS patches. */
void LocateAndApplyIpsPatchesToModule(const u8 *build_id, uintptr_t mapped_nso, size_t mapped_size) {
if (!EnsureSdCardMounted()) {
return;
}
ro::ModuleId module_id;
std::memcpy(&module_id.build_id, build_id, sizeof(module_id.build_id));
ams::patcher::LocateAndApplyIpsPatchesToModule(NsoPatchesDirectory, NsoPatchesProtectedSize, NsoPatchesProtectedOffset, &module_id, reinterpret_cast<u8 *>(mapped_nso), mapped_size);
ams::patcher::LocateAndApplyIpsPatchesToModule(LoaderSdMountName, NsoPatchesDirectory, NsoPatchesProtectedSize, NsoPatchesProtectedOffset, &module_id, reinterpret_cast<u8 *>(mapped_nso), mapped_size);
}
}