mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-10 07:06:34 +00:00
94 lines
No EOL
4 KiB
C++
94 lines
No EOL
4 KiB
C++
/*
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* Copyright (c) 2018-2020 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 <exosphere.hpp>
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#include "secmon_boot.hpp"
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#include "secmon_boot_functions.hpp"
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#include "../smc/secmon_random_cache.hpp"
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#include "../secmon_setup.hpp"
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#include "../secmon_misc.hpp"
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namespace ams::secmon {
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void Main() {
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/* Set library register addresses. */
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/* actmon::SetRegisterAddress(MemoryRegionVirtualDeviceActivityMonitor.GetAddress()); */
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clkrst::SetRegisterAddress(MemoryRegionVirtualDeviceClkRst.GetAddress());
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flow::SetRegisterAddress(MemoryRegionVirtualDeviceFlowController.GetAddress());
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fuse::SetRegisterAddress(MemoryRegionVirtualDeviceFuses.GetAddress());
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gic::SetRegisterAddress(MemoryRegionVirtualDeviceGicDistributor.GetAddress(), MemoryRegionVirtualDeviceGicCpuInterface.GetAddress());
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i2c::SetRegisterAddress(i2c::Port_1, MemoryRegionVirtualDeviceI2c1.GetAddress());
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i2c::SetRegisterAddress(i2c::Port_5, MemoryRegionVirtualDeviceI2c5.GetAddress());
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/* pinmux::SetRegisterAddress(); */
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pmc::SetRegisterAddress(MemoryRegionVirtualDevicePmc.GetAddress());
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se::SetRegisterAddress(MemoryRegionVirtualDeviceSecurityEngine.GetAddress());
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uart::SetRegisterAddress(MemoryRegionVirtualDeviceUart.GetAddress());
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wdt::SetRegisterAddress(MemoryRegionVirtualDeviceTimer.GetAddress());
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util::SetRegisterAddress(MemoryRegionVirtualDeviceTimer.GetAddress());
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/* Get the secure monitor parameters. */
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auto &secmon_params = *reinterpret_cast<pkg1::SecureMonitorParameters *>(MemoryRegionVirtualDeviceBootloaderParams.GetAddress());
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/* Perform initialization. */
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{
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/* Perform initial setup. */
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/* This checks the security engine's validity, and configures common interrupts in the GIC. */
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/* This also initializes the global configuration context. */
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secmon::Setup1();
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/* Save the boot info. */
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secmon::SaveBootInfo(secmon_params);
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/* Perform cold-boot specific init. */
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secmon::boot::InitializeColdBoot();
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/* Setup the SoC security measures. */
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secmon::SetupSocSecurity();
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/* Setup the Cpu core context. */
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secmon::SetupCpuCoreContext();
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/* Clear the crt0 code that was present in iram. */
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secmon::boot::ClearIram();
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/* Alert the bootloader that we're initialized. */
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secmon_params.secmon_state = pkg1::SecureMonitorState_Initialized;
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/* Initialize the random cache. */
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secmon::smc::FillRandomCache();
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}
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/* Wait for NX Bootloader to finish loading the BootConfig. */
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secmon::boot::WaitForNxBootloader(secmon_params, pkg1::BootloaderState_LoadedBootConfig);
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hw::DataSynchronizationBarrierInnerShareable();
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/* Load the bootconfig. */
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secmon::boot::LoadBootConfig(MemoryRegionPhysicalIramBootConfig.GetPointer());
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/* Verify or clear the boot config. */
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secmon::boot::VerifyOrClearBootConfig();
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/* Get the boot config. */
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const auto &bc = secmon::GetBootConfig();
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/* Set the tsc value by the boot config. */
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{
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constexpr u64 TscMask = (static_cast<u64>(1) << 55) - 1;
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secmon::boot::EnableTsc(bc.data.GetInitialTscValue() & TscMask);
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}
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}
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} |