mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-26 13:52:21 +00:00
136 lines
No EOL
5.2 KiB
C++
136 lines
No EOL
5.2 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 {
|
|
|
|
namespace {
|
|
|
|
constexpr bool SaveSystemStateForDebug = false;
|
|
|
|
}
|
|
}
|
|
|
|
namespace ams::diag {
|
|
|
|
namespace {
|
|
|
|
ALWAYS_INLINE void SaveSystemStateForDebugAbort() {
|
|
*(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);
|
|
}
|
|
|
|
}
|
|
|
|
void AbortImpl() {
|
|
/* Perform any necessary (typically none) debugging. */
|
|
if constexpr (SaveSystemStateForDebug) {
|
|
SaveSystemStateForDebugAbort();
|
|
}
|
|
|
|
secmon::SetError(pkg1::ErrorInfo_UnknownAbort);
|
|
secmon::ErrorReboot();
|
|
}
|
|
|
|
#include <exosphere/diag/diag_detailed_assertion_impl.inc>
|
|
|
|
}
|
|
|
|
namespace ams::secmon {
|
|
|
|
namespace {
|
|
|
|
constexpr inline uintptr_t PMC = MemoryRegionVirtualDevicePmc.GetAddress();
|
|
|
|
ALWAYS_INLINE void SaveSystemStateForDebugErrorReboot() {
|
|
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);
|
|
}
|
|
|
|
}
|
|
|
|
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() {
|
|
/* Perform any necessary (typically none) debugging. */
|
|
if constexpr (SaveSystemStateForDebug) {
|
|
SaveSystemStateForDebugErrorReboot();
|
|
}
|
|
|
|
/* Lockout the security engine. */
|
|
se::Lockout();
|
|
|
|
/* Lockout fuses. */
|
|
fuse::Lockout();
|
|
|
|
/* Disable crypto operations after reboot. */
|
|
reg::Write(PMC + APBDEV_PMC_CRYPTO_OP, 0);
|
|
|
|
while (true) {
|
|
wdt::Reboot();
|
|
}
|
|
}
|
|
|
|
} |