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stratosphere: custom exception handlers (reboot to fusee)

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This commit is contained in:
Michael Scire
2019-04-12 15:28:46 -07:00
parent b03a778611
commit ac07971211
23 changed files with 307 additions and 11 deletions
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60
fusee/fusee-primary/src/panic.c
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@@ -14,15 +14,75 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include "panic.h"
#include "di.h"
#include "pmc.h"
#include "fuse.h"
#include "utils.h"
#include "fs_utils.h"
#include "lib/log.h"
static uint32_t g_panic_code = 0;
static const char *get_error_desc_str(uint32_t error_desc) {
switch (error_desc) {
case 0x100:
return "Instruction Abort";
case 0x101:
return "Data Abort";
case 0x102:
return "PC Misalignment";
case 0x103:
return "SP Misalignment";
case 0x104:
return "Trap";
case 0x106:
return "SError";
case 0x301:
return "Bad SVC";
default:
return "Unknown";
}
}
static void _check_and_display_atmosphere_fatal_error(void) {
/* Check for valid magic. */
if (ATMOSPHERE_FATAL_ERROR_CONTEXT->magic != ATMOSPHERE_REBOOT_TO_FATAL_MAGIC) {
return;
}
{
/* Copy fatal error context to the stack. */
atmosphere_fatal_error_ctx ctx = *(ATMOSPHERE_FATAL_ERROR_CONTEXT);
/* Change magic to invalid, to prevent double-display of error/bootlooping. */
ATMOSPHERE_FATAL_ERROR_CONTEXT->magic = 0xCCCCCCCC;
print(SCREEN_LOG_LEVEL_ERROR | SCREEN_LOG_LEVEL_NO_PREFIX, "A fatal error occurred when running Atmosph\xe8re.\n");
print(SCREEN_LOG_LEVEL_ERROR | SCREEN_LOG_LEVEL_NO_PREFIX, "Title ID: %016llx\n", ctx.title_id);
print(SCREEN_LOG_LEVEL_ERROR | SCREEN_LOG_LEVEL_NO_PREFIX, "Error Desc: %s (0x%x)\n", get_error_desc_str(ctx.error_desc), ctx.error_desc);
/* Save context to the SD card. */
{
char filepath[0x40];
snprintf(filepath, sizeof(filepath) - 1, "/atmosphere/fatal_errors/report_%016llx.bin", ctx.report_identifier);
filepath[sizeof(filepath)-1] = 0;
write_to_file(&ctx, sizeof(ctx), filepath);
print(SCREEN_LOG_LEVEL_ERROR | SCREEN_LOG_LEVEL_NO_PREFIX,"Report saved to %s\n", filepath);
}
/* Display error. */
print(SCREEN_LOG_LEVEL_ERROR | SCREEN_LOG_LEVEL_NO_PREFIX,"\nPress POWER to reboot\n");
}
wait_for_button_and_reboot();
}
void check_and_display_panic(void) {
/* Handle a panic sent via a stratosphere module. */
_check_and_display_atmosphere_fatal_error();
/* 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;