mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-09-20 07:08:59 +00:00
64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
/*
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* Copyright (c) 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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#include <stratosphere.hpp>
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#include "updater_bis_save.hpp"
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namespace ams::updater {
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size_t BisSave::GetVerificationFlagOffset(BootModeType mode) {
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switch (mode) {
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case BootModeType::Normal:
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return 0;
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case BootModeType::Safe:
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return 1;
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default:
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return 2;
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}
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}
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Result BisSave::Initialize(void *work_buffer, size_t work_buffer_size) {
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AMS_ABORT_UNLESS(work_buffer_size >= SaveSize);
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AMS_ABORT_UNLESS(util::IsAligned(reinterpret_cast<uintptr_t>(work_buffer), os::MemoryPageSize));
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AMS_ABORT_UNLESS(util::IsAligned(work_buffer_size, 0x200));
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R_TRY(m_accessor.Initialize());
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m_save_buffer = work_buffer;
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R_SUCCEED();
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}
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void BisSave::Finalize() {
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m_accessor.Finalize();
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}
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Result BisSave::Load() {
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size_t read_size;
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R_RETURN(m_accessor.Read(std::addressof(read_size), m_save_buffer, SaveSize, Boot0Partition::BctSave));
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}
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Result BisSave::Save() {
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R_RETURN(m_accessor.Write(m_save_buffer, SaveSize, Boot0Partition::BctSave));
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}
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bool BisSave::GetNeedsVerification(BootModeType mode) {
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return reinterpret_cast<const u8 *>(m_save_buffer)[GetVerificationFlagOffset(mode)] != 0;
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}
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void BisSave::SetNeedsVerification(BootModeType mode, bool needs_verification) {
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reinterpret_cast<u8 *>(m_save_buffer)[GetVerificationFlagOffset(mode)] = needs_verification ? 1 : 0;
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}
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}
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