Atmosphere/fusee_cpp/program/source/fusee_exception_handler.cpp
2021-09-06 16:26:50 -07:00

75 lines
2.7 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 "fusee_exception_handler.hpp"
namespace ams::nxboot {
NORETURN void ErrorStop() {
/* ABORT? */
*reinterpret_cast<volatile u32 *>(0x40038000) = 0xDEADDEAD;
*reinterpret_cast<volatile u32 *>(0x7000E400) = 0x10;
/* Halt ourselves. */
while (true) {
reg::Write(secmon::MemoryRegionPhysicalDeviceFlowController.GetAddress() + FLOW_CTLR_HALT_COP_EVENTS, FLOW_REG_BITS_ENUM(HALT_COP_EVENTS_MODE, FLOW_MODE_STOP),
FLOW_REG_BITS_ENUM(HALT_COP_EVENTS_JTAG, ENABLED));
}
}
NORETURN void ExceptionHandlerImpl(s32 which, u32 lr, u32 svc_lr) {
/* TODO */
*reinterpret_cast<volatile u32 *>(0x40038004) = 0xCAFEBABE;
*reinterpret_cast<volatile u32 *>(0x40038008) = which;
*reinterpret_cast<volatile u32 *>(0x4003800C) = lr;
*reinterpret_cast<volatile u32 *>(0x40038010) = svc_lr;
ErrorStop();
}
}
namespace ams::diag {
NORETURN void AbortImpl(const char *file, int line, const char *func, const char *expr, u64 value, const char *format, ...) {
AMS_UNUSED(file, line, func, expr, value, format);
{
u32 lr;
__asm__ __volatile__("mov %0, lr" : "=r"(lr) :: "memory");
*reinterpret_cast<volatile u32 *>(0x40038004) = lr;
}
ams::nxboot::ErrorStop();
}
NORETURN void AbortImpl(const char *file, int line, const char *func, const char *expr, u64 value) {
AMS_UNUSED(file, line, func, expr, value);
{
u32 lr;
__asm__ __volatile__("mov %0, lr" : "=r"(lr) :: "memory");
*reinterpret_cast<volatile u32 *>(0x40038004) = lr;
}
ams::nxboot::ErrorStop();
}
NORETURN void AbortImpl() {
{
u32 lr;
__asm__ __volatile__("mov %0, lr" : "=r"(lr) :: "memory");
*reinterpret_cast<volatile u32 *>(0x40038004) = lr;
}
ams::nxboot::ErrorStop();
}
}