1
0
Fork 0
mirror of https://github.com/Atmosphere-NX/Atmosphere.git synced 2024-11-13 23:46:40 +00:00
Atmosphere/exosphere/program/source/secmon_error.cpp
2020-06-14 22:07:45 -07:00

109 lines
No EOL
4.6 KiB
C++

/*
* 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() {
/* TODO: This is here for debugging. Remove this when exo2 is working. */
#if 1
{
*(volatile u32 *)(secmon::MemoryRegionVirtualDebug.GetAddress() + 0x00) = 0xDDDDDDDD;
u64 temp_reg;
__asm__ __volatile__("mov %0, lr" : "=r"(temp_reg) :: "memory");
*(volatile u32 *)(secmon::MemoryRegionVirtualDebug.GetAddress() + 0x10) = static_cast<u32>(temp_reg >> 0);
*(volatile u32 *)(secmon::MemoryRegionVirtualDebug.GetAddress() + 0x14) = static_cast<u32>(temp_reg >> 32);
__asm__ __volatile__("mov %0, sp" : "=r"(temp_reg) :: "memory");
for (int i = 0; i < 0x100; i += 4) {
*(volatile u32 *)(secmon::MemoryRegionVirtualDebug.GetAddress() + 0x20 + i) = *(volatile u32 *)(temp_reg + i);
}
*(volatile u32 *)(secmon::MemoryRegionVirtualDevicePmc.GetAddress() + 0x50) = 0x02;
*(volatile u32 *)(secmon::MemoryRegionVirtualDevicePmc.GetAddress() + 0x00) = 0x10;
util::WaitMicroSeconds(1000);
}
#endif
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() {
/* TODO: This is here for debugging. Remove this when exo2 is working. */
#if 1
{
u64 temp_reg;
*(volatile u32 *)(secmon::MemoryRegionVirtualDebug.GetAddress() + 0x00) = 0x5A5A5A5A;
__asm__ __volatile__("mrs %0, esr_el3" : "=r"(temp_reg) :: "memory");
*(volatile u32 *)(secmon::MemoryRegionVirtualDebug.GetAddress() + 0x08) = static_cast<u32>(temp_reg >> 0);
*(volatile u32 *)(secmon::MemoryRegionVirtualDebug.GetAddress() + 0x0C) = static_cast<u32>(temp_reg >> 32);
__asm__ __volatile__("mrs %0, elr_el3" : "=r"(temp_reg) :: "memory");
*(volatile u32 *)(secmon::MemoryRegionVirtualDebug.GetAddress() + 0x10) = static_cast<u32>(temp_reg >> 0);
*(volatile u32 *)(secmon::MemoryRegionVirtualDebug.GetAddress() + 0x14) = static_cast<u32>(temp_reg >> 32);
__asm__ __volatile__("mrs %0, far_el3" : "=r"(temp_reg) :: "memory");
*(volatile u32 *)(secmon::MemoryRegionVirtualDebug.GetAddress() + 0x18) = static_cast<u32>(temp_reg >> 0);
*(volatile u32 *)(secmon::MemoryRegionVirtualDebug.GetAddress() + 0x1C) = static_cast<u32>(temp_reg >> 32);
__asm__ __volatile__("mov %0, lr" : "=r"(temp_reg) :: "memory");
*(volatile u32 *)(secmon::MemoryRegionVirtualDebug.GetAddress() + 0x20) = static_cast<u32>(temp_reg >> 0);
*(volatile u32 *)(secmon::MemoryRegionVirtualDebug.GetAddress() + 0x24) = static_cast<u32>(temp_reg >> 32);
__asm__ __volatile__("mov %0, sp" : "=r"(temp_reg) :: "memory");
*(volatile u32 *)(secmon::MemoryRegionVirtualDebug.GetAddress() + 0x30) = static_cast<u32>(temp_reg >> 0);
*(volatile u32 *)(secmon::MemoryRegionVirtualDebug.GetAddress() + 0x34) = static_cast<u32>(temp_reg >> 32);
for (int i = 0; i < 0x100; i += 4) {
*(volatile u32 *)(secmon::MemoryRegionVirtualDebug.GetAddress() + 0x40 + i) = *(volatile u32 *)(temp_reg + i);
}
*(volatile u32 *)(secmon::MemoryRegionVirtualDevicePmc.GetAddress() + 0x50) = 0x02;
*(volatile u32 *)(secmon::MemoryRegionVirtualDevicePmc.GetAddress() + 0x00) = 0x10;
util::WaitMicroSeconds(1000);
}
#endif
/* Lockout the security engine. */
se::Lockout();
/* TODO: Lockout fuses. */
/* TODO: Disable SE Crypto Operations. */
while (true) {
wdt::Reboot();
}
}
}