/* * Copyright (c) Atmosphère-NX * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <stratosphere.hpp> #include "updater_bis_save.hpp" namespace ams::updater { size_t BisSave::GetVerificationFlagOffset(BootModeType mode) { switch (mode) { case BootModeType::Normal: return 0; case BootModeType::Safe: return 1; default: return 2; } } Result BisSave::Initialize(void *work_buffer, size_t work_buffer_size) { AMS_ABORT_UNLESS(work_buffer_size >= SaveSize); AMS_ABORT_UNLESS(util::IsAligned(reinterpret_cast<uintptr_t>(work_buffer), os::MemoryPageSize)); AMS_ABORT_UNLESS(util::IsAligned(work_buffer_size, 0x200)); R_TRY(m_accessor.Initialize()); m_save_buffer = work_buffer; R_SUCCEED(); } void BisSave::Finalize() { m_accessor.Finalize(); } Result BisSave::Load() { size_t read_size; R_RETURN(m_accessor.Read(std::addressof(read_size), m_save_buffer, SaveSize, Boot0Partition::BctSave)); } Result BisSave::Save() { R_RETURN(m_accessor.Write(m_save_buffer, SaveSize, Boot0Partition::BctSave)); } bool BisSave::GetNeedsVerification(BootModeType mode) { return reinterpret_cast<const u8 *>(m_save_buffer)[GetVerificationFlagOffset(mode)] != 0; } void BisSave::SetNeedsVerification(BootModeType mode, bool needs_verification) { reinterpret_cast<u8 *>(m_save_buffer)[GetVerificationFlagOffset(mode)] = needs_verification ? 1 : 0; } }