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fusee: try to alleviate a little suffering

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This commit is contained in:
Michael Scire 2020-09-22 13:54:23 -07:00
parent 85505db9b7
commit ff310a0647
2 changed files with 63 additions and 2 deletions
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63
fusee/fusee-primary/src/panic.c
View file

@ -24,6 +24,9 @@
#include "lib/log.h"
#include "display/video_fb.h"
#define PROGRAM_ID_AMS_MITM 0x010041544D530000ull
#define PROGRAM_ID_BOOT 0x0100000000000005ull
static uint32_t g_panic_code = 0;
static const char *get_error_desc_str(uint32_t error_desc) {
@ -53,6 +56,61 @@ static const char *get_error_desc_str(uint32_t error_desc) {
}
}
static void _try_suggest_fix(const atmosphere_fatal_error_ctx *ctx) {
/* Try to recognize certain errors automatically, and suggest fixes for them. */
const char *suggestion = NULL;
if (ctx->error_desc == 0xFFE) {
if (ctx->program_id == PROGRAM_ID_AMS_MITM) {
/* When a user has archive bits set improperly, attempting to create an automatic backup will fail */
/* to create the file path with error 0x202 (fs::ResultPathNotFound()) */
if (ctx->gprs[0] == 0x202) {
/* When the archive bit error is occurring, it manifests as failure to create automatic backup. */
/* Thus, we can search the stack for the automatic backups path. */
const char * const automatic_backups_prefix = "automatic_backups/X" /* ..... */;
const int prefix_len = strlen(automatic_backups_prefix);
for (size_t i = 0; i + prefix_len < ctx->stack_dump_size; ++i) {
if (memcmp(&ctx->stack_dump[i], automatic_backups_prefix, prefix_len) == 0) {
suggestion = "The atmosphere directory may improperly have archive\n"
"bits set. Please try running an archive bit fixer tool\n"
"(for example, the one in Hekate).\n";
break;
}
}
} else if (ctx->gprs[0] == 0x249A02) { /* fs::ResultResultExFatUnavailable() */
/* When a user installs non-exFAT firm but has an exFAT formatted SD card, this error will */
/* be returned on attempt to access the SD card. */
suggestion = "Your console has non-exFAT firmware installed, but your SD card\n"
"is formatted as exFAT. Format your SD card as FAT32, or manually\n"
"flash exFAT firmware to package2.\n";
}
} else if (ctx->program_id == PROGRAM_ID_BOOT) {
/* 9.x -> 10.x updated the API for SvcQueryIoMapping. */
/* This can cause the kernel to reject incorrect-ABI calls by boot when a partial update is applied */
/* (older kernel in package2, for some reason). */
for (size_t i = 0; i < 8; ++i) {
if (ctx->gprs[i] == 0xF201) {
suggestion = "A partial update may have been improperly performed.\n"
"To fix, try manually flashing latest package2 to MMC.\n"
"\n"
"For help doing this, seek support in the ReSwitched or\n"
"Nintendo Homebrew discord servers.\n";
break;
}
}
}
} else if (ctx->error_desc == 0xF00) { /* Kernel Panic */
suggestion = "Please contact SciresM#0524 on Discord, or create an issue\n"
"on the Atmosphere GitHub issue tracker. Thank you very much\n"
"for helping to test mesosphere.\n";
}
if (suggestion != NULL) {
print(SCREEN_LOG_LEVEL_ERROR | SCREEN_LOG_LEVEL_NO_PREFIX, "\n%s", suggestion);
}
}
static void _check_and_display_atmosphere_fatal_error(void) {
/* Check for valid magic. */
if (ATMOSPHERE_FATAL_ERROR_CONTEXT->magic != ATMOSPHERE_REBOOT_TO_FATAL_MAGIC &&
@ -86,7 +144,7 @@ static void _check_and_display_atmosphere_fatal_error(void) {
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, "Program ID: %016llx\n", ctx.program_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. */
@ -101,6 +159,9 @@ static void _check_and_display_atmosphere_fatal_error(void) {
}
}
/* Try to print a fix suggestion via automatic error detection. */
_try_suggest_fix(&ctx);
/* Display error. */
print(SCREEN_LOG_LEVEL_ERROR | SCREEN_LOG_LEVEL_NO_PREFIX, "\nPress POWER to reboot\n");
}

2
fusee/fusee-primary/src/panic.h
View file

@ -36,7 +36,7 @@
typedef struct {
uint32_t magic;
uint32_t error_desc;
uint64_t title_id;
uint64_t program_id;
union {
uint64_t gprs[32];
struct {