mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-26 05:42:17 +00:00
75 lines
No EOL
2.5 KiB
C++
75 lines
No EOL
2.5 KiB
C++
/*
|
|
* 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 <exosphere.hpp>
|
|
#include "fusee_mmc.hpp"
|
|
|
|
namespace ams::nxboot {
|
|
|
|
namespace {
|
|
|
|
constexpr inline auto MmcPort = sdmmc::Port_Mmc0;
|
|
|
|
alignas(0x10) constinit u8 g_mmc_work_buffer[sdmmc::MmcWorkBufferSize];
|
|
|
|
constinit inline auto g_mmc_partition = sdmmc::MmcPartition_Unknown;
|
|
|
|
Result SelectMmcPartition(sdmmc::MmcPartition partition) {
|
|
/* Change partition, if we need to. */
|
|
if (partition != g_mmc_partition) {
|
|
R_TRY(sdmmc::SelectMmcPartition(MmcPort, partition));
|
|
|
|
g_mmc_partition = partition;
|
|
}
|
|
|
|
return ResultSuccess();
|
|
}
|
|
|
|
}
|
|
|
|
Result InitializeMmc() {
|
|
/* Initialize the mmc. */
|
|
sdmmc::Initialize(MmcPort);
|
|
|
|
/* Set the mmc work buffer. */
|
|
sdmmc::SetMmcWorkBuffer(MmcPort, g_mmc_work_buffer, sizeof(g_mmc_work_buffer));
|
|
|
|
/* Activate the mmc. */
|
|
return sdmmc::Activate(MmcPort);
|
|
}
|
|
|
|
Result CheckMmcConnection(sdmmc::SpeedMode *out_sm, sdmmc::BusWidth *out_bw) {
|
|
return sdmmc::CheckMmcConnection(out_sm, out_bw, MmcPort);
|
|
}
|
|
|
|
Result GetMmcMemoryCapacity(u32 *out_num_sectors, sdmmc::MmcPartition partition) {
|
|
if (partition == sdmmc::MmcPartition_UserData) {
|
|
return sdmmc::GetDeviceMemoryCapacity(out_num_sectors, MmcPort);
|
|
} else {
|
|
return sdmmc::GetMmcBootPartitionCapacity(out_num_sectors, MmcPort);
|
|
}
|
|
}
|
|
|
|
Result ReadMmc(void *dst, size_t size, sdmmc::MmcPartition partition, size_t sector_index, size_t sector_count) {
|
|
R_TRY(SelectMmcPartition(partition));
|
|
return sdmmc::Read(dst, size, MmcPort, sector_index, sector_count);
|
|
}
|
|
|
|
Result WriteMmc(sdmmc::MmcPartition partition, size_t sector_index, size_t sector_count, const void *src, size_t size) {
|
|
R_TRY(SelectMmcPartition(partition));
|
|
return sdmmc::Write(MmcPort, sector_index, sector_count, src, size);
|
|
}
|
|
|
|
} |