/* * Copyright (c) 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_secmon_sync.hpp" namespace ams::nxboot { namespace { ALWAYS_INLINE pkg1::SecureMonitorParameters &GetSecureMonitorParameters() { return *secmon::MemoryRegionPhysicalDeviceBootloaderParams.GetPointer<pkg1::SecureMonitorParameters>(); } } void InitializeSecureMonitorMailbox() { std::memset(std::addressof(GetSecureMonitorParameters()), 0, sizeof(GetSecureMonitorParameters())); } void WaitSecureMonitorState(pkg1::SecureMonitorState state) { auto &secmon_params = GetSecureMonitorParameters(); while (secmon_params.secmon_state != state) { hw::InvalidateDataCache(std::addressof(secmon_params.secmon_state), sizeof(secmon_params.secmon_state)); util::WaitMicroSeconds(1); } } void SetBootloaderState(pkg1::BootloaderState state) { auto &secmon_params = GetSecureMonitorParameters(); secmon_params.bootloader_state = state; hw::FlushDataCache(std::addressof(secmon_params.bootloader_state), sizeof(secmon_params.bootloader_state)); } }