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Atmosphere/exosphere2/program/source/boot/secmon_main.cpp

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/*
* 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 <exosphere.hpp>
#include "secmon_boot.hpp"
#include "secmon_boot_functions.hpp"
#include "../secmon_setup.hpp"
#include "../secmon_misc.hpp"
namespace ams::secmon {
void Main() {
/* Set library register addresses. */
/* actmon::SetRegisterAddress(MemoryRegionVirtualDeviceActivityMonitor.GetAddress()); */
clkrst::SetRegisterAddress(MemoryRegionVirtualDeviceClkRst.GetAddress());
/* flowctrl::SetRegisterAddress(); */
fuse::SetRegisterAddress(MemoryRegionVirtualDeviceFuses.GetAddress());
gic::SetRegisterAddress(MemoryRegionVirtualDeviceGicDistributor.GetAddress(), MemoryRegionVirtualDeviceGicCpuInterface.GetAddress());
i2c::SetRegisterAddress(i2c::Port_1, MemoryRegionVirtualDeviceI2c1.GetAddress());
i2c::SetRegisterAddress(i2c::Port_5, MemoryRegionVirtualDeviceI2c5.GetAddress());
/* pinmux::SetRegisterAddress(); */
pmc::SetRegisterAddress(MemoryRegionVirtualDevicePmc.GetAddress());
se::SetRegisterAddress(MemoryRegionVirtualDeviceSecurityEngine.GetAddress());
uart::SetRegisterAddress(MemoryRegionVirtualDeviceUart.GetAddress());
wdt::SetRegisterAddress(MemoryRegionVirtualDeviceTimer.GetAddress());
util::SetRegisterAddress(MemoryRegionVirtualDeviceTimer.GetAddress());
/* Get the secure monitor parameters. */
auto &secmon_params = *reinterpret_cast<pkg1::SecureMonitorParameters *>(MemoryRegionVirtualDeviceBootloaderParams.GetAddress());
/* Perform initialization. */
{
/* Perform initial setup. */
/* This checks the security engine's validity, and configures common interrupts in the GIC. */
/* This also initializes the global configuration context. */
secmon::Setup1();
/* Save the boot info. */
secmon::SaveBootInfo(secmon_params);
/* Perform cold-boot specific init. */
secmon::boot::InitializeColdBoot();
/* Setup the SoC security measures. */
secmon::SetupSocSecurity();
/* TODO: More init. */
/* Clear the crt0 code that was present in iram. */
secmon::boot::ClearIram();
/* Alert the bootloader that we're initialized. */
secmon_params.secmon_state = pkg1::SecureMonitorState_Initialized;
}
}
}