mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-04 23:45:26 +00:00
152 lines
3.8 KiB
C++
152 lines
3.8 KiB
C++
/*
|
|
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
|
|
* Copyright (C) 2023 Bernd Herzog
|
|
*
|
|
* This file is part of PortaPack.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program is distributed in the hope that 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; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "debug.hpp"
|
|
|
|
#include <ch.h>
|
|
#include <hal.h>
|
|
|
|
#include "portapack_shared_memory.hpp"
|
|
#include "performance_counter.hpp"
|
|
|
|
void write_m4_panic_msg(const char* panic_message, struct extctx* ctxp) {
|
|
if (ctxp == nullptr) {
|
|
shared_memory.bb_data.data[0] = 0;
|
|
} else {
|
|
shared_memory.bb_data.data[0] = 1;
|
|
*((uint32_t*)&shared_memory.bb_data.data[4]) = SCB->CFSR;
|
|
memcpy(&shared_memory.bb_data.data[8], ctxp, sizeof(struct extctx));
|
|
}
|
|
|
|
for (size_t i = 0; i < sizeof(shared_memory.m4_panic_msg); i++) {
|
|
if (*panic_message == 0) {
|
|
shared_memory.m4_panic_msg[i] = 0;
|
|
} else {
|
|
shared_memory.m4_panic_msg[i] = *(panic_message++);
|
|
}
|
|
}
|
|
}
|
|
|
|
extern "C" {
|
|
#if CH_DBG_ENABLED
|
|
void port_halt(void) {
|
|
port_disable();
|
|
|
|
if (dbg_panic_msg == nullptr)
|
|
dbg_panic_msg = "system halted";
|
|
|
|
write_m4_panic_msg(dbg_panic_msg, nullptr);
|
|
|
|
while (true) {
|
|
HALT_IF_DEBUGGING();
|
|
}
|
|
}
|
|
#endif
|
|
|
|
CH_IRQ_HANDLER(MemManageVector) {
|
|
#if CH_DBG_ENABLED
|
|
chDbgPanic("MemManage");
|
|
#else
|
|
chSysHalt();
|
|
#endif
|
|
}
|
|
|
|
CH_IRQ_HANDLER(BusFaultVector) {
|
|
#if CH_DBG_ENABLED
|
|
chDbgPanic("BusFault");
|
|
#else
|
|
chSysHalt();
|
|
#endif
|
|
}
|
|
|
|
CH_IRQ_HANDLER(UsageFaultVector) {
|
|
#if CH_DBG_ENABLED
|
|
chDbgPanic("UsageFault");
|
|
#else
|
|
chSysHalt();
|
|
#endif
|
|
}
|
|
|
|
CH_IRQ_HANDLER(HardFaultVector) {
|
|
#if CH_DBG_ENABLED
|
|
regarm_t _saved_lr;
|
|
asm volatile("mov %0, lr"
|
|
: "=r"(_saved_lr)
|
|
:
|
|
: "memory");
|
|
|
|
struct extctx* ctxp;
|
|
port_lock_from_isr();
|
|
|
|
if ((uint32_t)_saved_lr & 0x04)
|
|
ctxp = (struct extctx*)__get_PSP();
|
|
else
|
|
ctxp = (struct extctx*)__get_MSP();
|
|
|
|
volatile uint32_t stack_space_left = get_free_stack_space();
|
|
if (stack_space_left < 16)
|
|
write_m4_panic_msg("Stack Overflow", ctxp);
|
|
|
|
else
|
|
write_m4_panic_msg("Hard Fault", ctxp);
|
|
|
|
port_disable();
|
|
|
|
while (true) {
|
|
HALT_IF_DEBUGGING();
|
|
}
|
|
|
|
#else
|
|
chSysHalt();
|
|
#endif
|
|
}
|
|
|
|
void update_performance_counters() {
|
|
auto performance_counter_active = shared_memory.request_m4_performance_counter;
|
|
if (performance_counter_active == 0x00)
|
|
return;
|
|
|
|
static bool last_paint_state = false;
|
|
if ((((chTimeNow() >> 10) & 0x01) == 0x01) == last_paint_state)
|
|
return;
|
|
|
|
// Idle thread state is sometimes unuseable
|
|
if (chThdGetTicks(chSysGetIdleThread()) > 0x10000000)
|
|
return;
|
|
|
|
last_paint_state = !last_paint_state;
|
|
|
|
if (performance_counter_active == 0x01) {
|
|
auto utilisation = get_cpu_utilisation_in_percent();
|
|
auto free_stack = (uint32_t)get_free_stack_space();
|
|
auto free_heap = chCoreStatus();
|
|
|
|
shared_memory.m4_performance_counter = utilisation;
|
|
shared_memory.m4_stack_usage = free_stack;
|
|
shared_memory.m4_heap_usage = free_heap;
|
|
} else if (performance_counter_active == 0x02) {
|
|
shared_memory.m4_performance_counter = 0;
|
|
}
|
|
}
|
|
|
|
} /* extern "C" */
|