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Atmosphere/libraries/libstratosphere/source/updater/updater_bis_save.cpp
SciresM 3a1ccdd919
Switch atmosphere's build target to C++20. (#952)
* ams: update to build with gcc10/c++20

* remove mno-outline-atomics

* ams: take care of most TODO C++20s

* fusee/sept: update for gcc10

* whoosh, your code now uses pre-compiled headers

* make: dependency fixes
2020-05-11 15:02:10 -07:00

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/*
* Copyright (c) 2018-2020 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(this->accessor.Initialize());
this->save_buffer = work_buffer;
return ResultSuccess();
}
void BisSave::Finalize() {
this->accessor.Finalize();
}
Result BisSave::Load() {
size_t read_size;
return this->accessor.Read(&read_size, this->save_buffer, SaveSize, Boot0Partition::BctSave);
}
Result BisSave::Save() {
return this->accessor.Write(this->save_buffer, SaveSize, Boot0Partition::BctSave);
}
bool BisSave::GetNeedsVerification(BootModeType mode) {
return reinterpret_cast<const u8 *>(this->save_buffer)[GetVerificationFlagOffset(mode)] != 0;
}
void BisSave::SetNeedsVerification(BootModeType mode, bool needs_verification) {
reinterpret_cast<u8 *>(this->save_buffer)[GetVerificationFlagOffset(mode)] = needs_verification ? 1 : 0;
}
}