mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-09-20 15:18:59 +00:00
85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
/*
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* Copyright (c) 2018 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 <mutex>
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#include <switch.h>
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#include "setsys_firmware_version.hpp"
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static HosMutex g_version_mutex;
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static bool g_got_version = false;
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static SetSysFirmwareVersion g_ams_fw_version = {0};
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static SetSysFirmwareVersion g_fw_version = {0};
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void VersionManager::Initialize() {
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std::scoped_lock<HosMutex> lock(g_version_mutex);
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if (g_got_version) {
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return;
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}
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/* Mount firmware version data archive. */
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if (R_SUCCEEDED(romfsMountFromDataArchive(0x0100000000000809ul, FsStorageId_NandSystem, "809"))) {
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ON_SCOPE_EXIT { romfsUnmount("809"); };
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SetSysFirmwareVersion fw_ver;
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/* Firmware version file must exist. */
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FILE *f = fopen("809:/file", "rb");
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if (f == NULL) {
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std::abort();
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}
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/* Must be possible to read firmware version from file. */
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if (fread(&fw_ver, sizeof(fw_ver), 1, f) != 1) {
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std::abort();
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}
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fclose(f);
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g_fw_version = fw_ver;
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g_ams_fw_version = fw_ver;
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} else {
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/* Failure to open data archive is an abort. */
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std::abort();
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}
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/* Modify the output firmware version. */
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{
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u32 major, minor, micro;
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char display_version[sizeof(g_ams_fw_version.display_version)] = {0};
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GetAtmosphereApiVersion(&major, &minor, µ, nullptr, nullptr);
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snprintf(display_version, sizeof(display_version), "%s (AMS %u.%u.%u)", g_ams_fw_version.display_version, major, minor, micro);
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memcpy(g_ams_fw_version.display_version, display_version, sizeof(g_ams_fw_version.display_version));
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}
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g_got_version = true;
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}
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Result VersionManager::GetFirmwareVersion(u64 title_id, SetSysFirmwareVersion *out) {
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VersionManager::Initialize();
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/* Report atmosphere string to qlaunch, maintenance and nothing else. */
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if (title_id == 0x0100000000001000ULL || title_id == 0x0100000000001015ULL) {
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*out = g_ams_fw_version;
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} else {
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*out = g_fw_version;
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}
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return 0;
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} |