mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-09-20 07:08:59 +00:00
98 lines
3 KiB
C++
98 lines
3 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 <stratosphere.hpp>
|
|
|
|
namespace ams::cfg {
|
|
|
|
namespace {
|
|
|
|
/* Convenience definitions. */
|
|
constexpr sm::ServiceName RequiredServicesForSdCardAccess[] = {
|
|
sm::ServiceName::Encode("pcv"),
|
|
sm::ServiceName::Encode("gpio"),
|
|
sm::ServiceName::Encode("pinmux"),
|
|
sm::ServiceName::Encode("psc:m"),
|
|
};
|
|
constexpr size_t NumRequiredServicesForSdCardAccess = util::size(RequiredServicesForSdCardAccess);
|
|
|
|
/* SD card globals. */
|
|
os::Mutex g_sd_card_lock;
|
|
bool g_sd_card_initialized = false;
|
|
FsFileSystem g_sd_card_filesystem = {};
|
|
|
|
/* SD card helpers. */
|
|
Result CheckSdCardServicesReady() {
|
|
for (size_t i = 0; i < NumRequiredServicesForSdCardAccess; i++) {
|
|
bool service_present = false;
|
|
R_TRY(sm::HasService(&service_present, RequiredServicesForSdCardAccess[i]));
|
|
if (!service_present) {
|
|
return fs::ResultSdCardNotPresent();
|
|
}
|
|
}
|
|
|
|
return ResultSuccess();
|
|
}
|
|
|
|
void WaitSdCardServicesReadyImpl() {
|
|
for (size_t i = 0; i < NumRequiredServicesForSdCardAccess; i++) {
|
|
R_ABORT_UNLESS(sm::WaitService(RequiredServicesForSdCardAccess[i]));
|
|
}
|
|
}
|
|
|
|
Result TryInitializeSdCard() {
|
|
R_TRY(CheckSdCardServicesReady());
|
|
R_ABORT_UNLESS(fsOpenSdCardFileSystem(&g_sd_card_filesystem));
|
|
g_sd_card_initialized = true;
|
|
return ResultSuccess();
|
|
}
|
|
|
|
void InitializeSdCard() {
|
|
WaitSdCardServicesReadyImpl();
|
|
R_ABORT_UNLESS(fsOpenSdCardFileSystem(&g_sd_card_filesystem));
|
|
g_sd_card_initialized = true;
|
|
}
|
|
|
|
}
|
|
|
|
/* SD card utilities. */
|
|
bool IsSdCardRequiredServicesReady() {
|
|
return R_SUCCEEDED(CheckSdCardServicesReady());
|
|
}
|
|
|
|
void WaitSdCardRequiredServicesReady() {
|
|
WaitSdCardServicesReadyImpl();
|
|
}
|
|
|
|
bool IsSdCardInitialized() {
|
|
std::scoped_lock lk(g_sd_card_lock);
|
|
|
|
if (!g_sd_card_initialized) {
|
|
if (R_SUCCEEDED(TryInitializeSdCard())) {
|
|
g_sd_card_initialized = true;
|
|
}
|
|
}
|
|
return g_sd_card_initialized;
|
|
}
|
|
|
|
void WaitSdCardInitialized() {
|
|
std::scoped_lock lk(g_sd_card_lock);
|
|
|
|
InitializeSdCard();
|
|
}
|
|
|
|
}
|