mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-09-20 07:08:59 +00:00
146 lines
3.9 KiB
C
146 lines
3.9 KiB
C
/*
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* Copyright (c) 2018 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdbool.h>
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#include <stdarg.h>
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#include "utils.h"
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#include "se.h"
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#include "fuse.h"
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#include "pmc.h"
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#include "car.h"
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#include "timers.h"
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#include "btn.h"
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#include "panic.h"
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#include "lib/log.h"
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#include <stdio.h>
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#include <inttypes.h>
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void wait(uint32_t microseconds) {
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uint32_t old_time = TIMERUS_CNTR_1US_0;
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while (TIMERUS_CNTR_1US_0 - old_time <= microseconds) {
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/* Spin-lock. */
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}
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}
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__attribute__((noreturn)) void watchdog_reboot(void) {
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volatile watchdog_timers_t *wdt = GET_WDT(4);
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wdt->PATTERN = WDT_REBOOT_PATTERN;
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wdt->COMMAND = 2; /* Disable Counter. */
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GET_WDT_REBOOT_CFG_REG(4) = 0xC0000000;
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wdt->CONFIG = 0x8019; /* Full System Reset after Fourth Counter expires, using TIMER(9). */
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wdt->COMMAND = 1; /* Enable Counter. */
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while (true) {
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/* Wait for reboot. */
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}
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}
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__attribute__((noreturn)) void pmc_reboot(uint32_t scratch0) {
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APBDEV_PMC_SCRATCH0_0 = scratch0;
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/* Reset the processor. */
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APBDEV_PMC_CONTROL = BIT(4);
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while (true) {
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/* Wait for reboot. */
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}
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}
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__attribute__((noreturn)) void car_reboot(void) {
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/* Reset the processor. */
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car_get_regs()->rst_dev_l |= 1<<2;
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while (true) {
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/* Wait for reboot. */
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}
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}
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__attribute__((noreturn)) void wait_for_button_and_reboot(void) {
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uint32_t button;
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while (true) {
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button = btn_read();
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if (button & BTN_POWER) {
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car_reboot();
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}
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}
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}
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void wait_for_button(void) {
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uint32_t button;
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while (true) {
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button = btn_read();
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if (button) {
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return;
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}
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}
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}
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__attribute__ ((noreturn)) void generic_panic(void) {
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panic(0xFF000006);
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}
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__attribute__((noreturn)) void fatal_error(const char *fmt, ...) {
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va_list args;
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print(SCREEN_LOG_LEVEL_ERROR, "Fatal error: ");
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va_start(args, fmt);
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vprint(SCREEN_LOG_LEVEL_ERROR, fmt, args);
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va_end(args);
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print(SCREEN_LOG_LEVEL_ERROR | SCREEN_LOG_LEVEL_NO_PREFIX, "\n Press POWER to reboot.\n");
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wait_for_button_and_reboot();
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}
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__attribute__((noinline)) bool overlaps(uint64_t as, uint64_t ae, uint64_t bs, uint64_t be)
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{
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if(as <= bs && bs <= ae)
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return true;
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if(bs <= as && as <= be)
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return true;
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return false;
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}
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/* Adapted from https://gist.github.com/ccbrown/9722406 */
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void hexdump(const void* data, size_t size, uintptr_t addrbase) {
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const uint8_t *d = (const uint8_t *)data;
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char ascii[17];
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ascii[16] = '\0';
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for (size_t i = 0; i < size; i++) {
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if (i % 16 == 0) {
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printf("%0*" PRIXPTR ": | ", 2 * sizeof(addrbase), addrbase + i);
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}
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printf("%02X ", d[i]);
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if (d[i] >= ' ' && d[i] <= '~') {
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ascii[i % 16] = d[i];
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} else {
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ascii[i % 16] = '.';
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}
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if ((i+1) % 8 == 0 || i+1 == size) {
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printf(" ");
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if ((i+1) % 16 == 0) {
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printf("| %s \n", ascii);
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} else if (i+1 == size) {
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ascii[(i+1) % 16] = '\0';
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if ((i+1) % 16 <= 8) {
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printf(" ");
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}
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for (size_t j = (i+1) % 16; j < 16; j++) {
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printf(" ");
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}
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printf("| %s \n", ascii);
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}
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}
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}
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}
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