mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-14 00:56:35 +00:00
98 lines
3.3 KiB
C
98 lines
3.3 KiB
C
/*
|
|
* Copyright (c) 2018 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 "panic.h"
|
|
#include "di.h"
|
|
#include "pmc.h"
|
|
#include "fuse.h"
|
|
#include "utils.h"
|
|
|
|
static uint32_t g_panic_code = 0;
|
|
|
|
void check_and_display_panic(void) {
|
|
/* We also handle our own panics. */
|
|
/* In the case of our own panics, we assume that the display has already been initialized. */
|
|
bool has_panic = APBDEV_PMC_RST_STATUS_0 != 0 || g_panic_code != 0;
|
|
uint32_t code = g_panic_code == 0 ? APBDEV_PMC_SCRATCH200_0 : g_panic_code;
|
|
|
|
has_panic = has_panic && !(APBDEV_PMC_RST_STATUS_0 != 1 && code == PANIC_CODE_SAFEMODE);
|
|
|
|
if (has_panic) {
|
|
uint32_t color;
|
|
|
|
/* Check for predefined codes: */
|
|
switch (code & MASK(20)) {
|
|
case 0x01: /* Package2 signature verification failed. */
|
|
case 0x02: /* Package2 meta verification failed. */
|
|
case 0x03: /* Package2 version check failed. */
|
|
case 0x04: /* Package2 payload verification failed. */
|
|
color = PANIC_COLOR_KERNEL;
|
|
break;
|
|
case 0x05: /* Unknown SMC. */
|
|
case 0x06: /* Unknown Abort. */
|
|
color = PANIC_COLOR_SECMON_GENERIC;
|
|
break;
|
|
case 0x07: /* Invalid CPU context. */
|
|
case 0x08: /* Invalid SE state. */
|
|
case 0x09: /* CPU is already awake (2.0.0+). */
|
|
color = PANIC_COLOR_SECMON_DEEPSLEEP;
|
|
break;
|
|
case 0x10: /* Unknown exception. */
|
|
color = PANIC_COLOR_SECMON_EXCEPTION;
|
|
break;
|
|
case 0x30: /* General bootloader error. */
|
|
case 0x31: /* Invalid DRAM ID. */
|
|
case 0x32: /* Invalid size. */
|
|
case 0x33: /* Invalid arguement. */
|
|
case 0x34: /* Bad GPT. */
|
|
case 0x35: /* Failed to boot SafeMode. */
|
|
case 0x36: /* Activity monitor fired (4.0.0+). */
|
|
color = PANIC_COLOR_BOOTLOADER_GENERIC;
|
|
break;
|
|
case 0x40: /* Kernel panic. */
|
|
color = PANIC_COLOR_KERNEL;
|
|
break;
|
|
default:
|
|
color = code >> 20;
|
|
color |= color << 4;
|
|
break;
|
|
}
|
|
|
|
if (g_panic_code == 0) {
|
|
display_init();
|
|
}
|
|
|
|
display_color_screen(color);
|
|
wait_for_button_and_reboot();
|
|
} else {
|
|
g_panic_code = 0;
|
|
APBDEV_PMC_SCRATCH200_0 = 0;
|
|
}
|
|
}
|
|
|
|
__attribute__ ((noreturn)) void panic(uint32_t code) {
|
|
/* Set panic code. */
|
|
if (g_panic_code == 0) {
|
|
g_panic_code = code;
|
|
APBDEV_PMC_SCRATCH200_0 = code;
|
|
}
|
|
|
|
fuse_disable_programming();
|
|
APBDEV_PMC_CRYPTO_OP_0 = 1; /* Disable all SE operations. */
|
|
|
|
check_and_display_panic();
|
|
while(true);
|
|
}
|