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	This implements waitable management for Events (and implements Events). It also refactors PM to use new Event/Waitable semantics, and also adds STS_ASSERT as a macro for asserting a boolean expression. The rest of stratosphere has been refactored to use STS_ASSERT whenever possible.
		
			
				
	
	
		
			79 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			79 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2018-2019 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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| 
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| #include <mutex>
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| #include <switch.h>
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| 
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| #include "setsys_firmware_version.hpp"
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| 
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| static sts::os::Mutex 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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| 
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| void VersionManager::Initialize() {
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|     std::scoped_lock lock(g_version_mutex);
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| 
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|     if (g_got_version) {
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|         return;
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|     }
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| 
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|     /* Mount firmware version data archive. */
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|     R_ASSERT(romfsMountFromDataArchive(static_cast<u64>(sts::ncm::TitleId::ArchiveSystemVersion), FsStorageId_NandSystem, "sysver"));
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|     {
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|         ON_SCOPE_EXIT { romfsUnmount("sysver"); };
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| 
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|         SetSysFirmwareVersion fw_ver;
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| 
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|         /* Firmware version file must exist. */
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|         FILE *f = fopen("sysver:/file", "rb");
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|         STS_ASSERT(f != NULL);
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|         ON_SCOPE_EXIT { fclose(f); };
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| 
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|         /* Must be possible to read firmware version from file. */
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|         STS_ASSERT(fread(&fw_ver, sizeof(fw_ver), 1, f) == 1);
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| 
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|         g_fw_version = fw_ver;
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|         g_ams_fw_version = fw_ver;
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|     }
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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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|         GetAtmosphereApiVersion(&major, &minor, µ, nullptr, nullptr);
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|         const char emummc_char = IsEmummc() ? 'E' : 'S';
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|         {
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|             char display_version[sizeof(g_ams_fw_version.display_version)] = {0};
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|             std::snprintf(display_version, sizeof(display_version), "%s|AMS %u.%u.%u|%c", g_ams_fw_version.display_version, major, minor, micro, emummc_char);
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|             std::memcpy(g_ams_fw_version.display_version, display_version, sizeof(g_ams_fw_version.display_version));
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|         }
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|     }
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| 
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|     g_got_version = true;
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| }
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| 
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| Result VersionManager::GetFirmwareVersion(sts::ncm::TitleId title_id, SetSysFirmwareVersion *out) {
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|     VersionManager::Initialize();
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| 
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|     /* Report atmosphere string to qlaunch, maintenance and nothing else. */
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|     if (title_id == sts::ncm::TitleId::AppletQlaunch || title_id == sts::ncm::TitleId::AppletMaintenanceMenu) {
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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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| 
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|     return ResultSuccess;
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| } |