Atmosphere/exosphere2/program/source/secmon_error.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_error.hpp"
namespace ams::diag {
void AbortImpl() {
secmon::SetError(pkg1::ErrorInfo_UnknownAbort);
secmon::ErrorReboot();
}
}
namespace ams::secmon {
void SetError(pkg1::ErrorInfo info) {
const uintptr_t address = secmon::MemoryRegionVirtualDevicePmc.GetAddress() + PKG1_SECURE_MONITOR_PMC_ERROR_SCRATCH;
if (reg::Read(address) == pkg1::ErrorInfo_None) {
reg::Write(address, info);
}
}
NORETURN void ErrorReboot() {
/* Lockout the security engine. */
se::Lockout();
/* TODO: Lockout fuses. */
/* TODO: Disable SE Crypto Operations. */
while (true) {
wdt::Reboot();
}
}
}