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ams: improve fatal error context

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This commit is contained in:
Michael Scire 2019-04-26 07:25:38 -07:00
parent 3207c38a44
commit 7fef83885f
4 changed files with 22 additions and 9 deletions
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5
fusee/fusee-primary/src/panic.c
View file

@ -41,6 +41,8 @@ static const char *get_error_desc_str(uint32_t error_desc) {
return "SError"; return "SError";
case 0x301: case 0x301:
return "Bad SVC"; return "Bad SVC";
case 0xFFE:
return "std::abort() called";
default: default:
return "Unknown"; return "Unknown";
} }
@ -48,7 +50,8 @@ static const char *get_error_desc_str(uint32_t error_desc) {
static void _check_and_display_atmosphere_fatal_error(void) { static void _check_and_display_atmosphere_fatal_error(void) {
/* Check for valid magic. */ /* Check for valid magic. */
if (ATMOSPHERE_FATAL_ERROR_CONTEXT->magic != ATMOSPHERE_REBOOT_TO_FATAL_MAGIC) { if (ATMOSPHERE_FATAL_ERROR_CONTEXT->magic != ATMOSPHERE_REBOOT_TO_FATAL_MAGIC &&
ATMOSPHERE_FATAL_ERROR_CONTEXT->magic != ATMOSPHERE_REBOOT_TO_FATAL_MAGIC_0) {
return; return;
} }

14
fusee/fusee-primary/src/panic.h
View file

@ -28,6 +28,10 @@
#define PANIC_CODE_SAFEMODE 0x00000020 #define PANIC_CODE_SAFEMODE 0x00000020
#define AMS_FATAL_ERROR_MAX_STACKTRACE 0x20
#define AMS_FATAL_ERROR_MAX_STACKDUMP 0x100
/* Atmosphere reboot-to-fatal-error. */ /* Atmosphere reboot-to-fatal-error. */
typedef struct { typedef struct {
uint32_t magic; uint32_t magic;
@ -43,17 +47,23 @@ typedef struct {
}; };
}; };
uint64_t pc; uint64_t pc;
uint64_t padding; uint64_t module_base;
uint32_t pstate; uint32_t pstate;
uint32_t afsr0; uint32_t afsr0;
uint32_t afsr1; uint32_t afsr1;
uint32_t esr; uint32_t esr;
uint64_t far; uint64_t far;
uint64_t report_identifier; /* Normally just system tick. */ uint64_t report_identifier; /* Normally just system tick. */
uint64_t stack_trace_size;
uint64_t stack_dump_size;
uint64_t stack_trace[AMS_FATAL_ERROR_MAX_STACKTRACE];
uint8_t stack_dump[AMS_FATAL_ERROR_MAX_STACKDUMP];
} atmosphere_fatal_error_ctx; } atmosphere_fatal_error_ctx;
/* "AFE1" */
#define ATMOSPHERE_REBOOT_TO_FATAL_MAGIC 0x31454641
/* "AFE0" */ /* "AFE0" */
#define ATMOSPHERE_REBOOT_TO_FATAL_MAGIC 0x30454641 #define ATMOSPHERE_REBOOT_TO_FATAL_MAGIC_0 0x30454641
#define ATMOSPHERE_FATAL_ERROR_CONTEXT ((volatile atmosphere_fatal_error_ctx *)(0x4003E000)) #define ATMOSPHERE_FATAL_ERROR_CONTEXT ((volatile atmosphere_fatal_error_ctx *)(0x4003E000))

10
stratosphere/ams_mitm/source/bpc_mitm/bpcmitm_reboot_manager.cpp
View file

@ -101,11 +101,6 @@ Result BpcRebootManager::PerformReboot() {
} }
void BpcRebootManager::RebootForFatalError(AtmosphereFatalErrorContext *ctx) { void BpcRebootManager::RebootForFatalError(AtmosphereFatalErrorContext *ctx) {
/* If we don't actually have a payload loaded, just go to RCM. */
if (!g_payload_loaded) {
RebootToRcm();
}
/* Ensure clean IRAM state. */ /* Ensure clean IRAM state. */
ClearIram(); ClearIram();
@ -118,5 +113,10 @@ void BpcRebootManager::RebootForFatalError(AtmosphereFatalErrorContext *ctx) {
memcpy(g_work_page, ctx, sizeof(*ctx)); memcpy(g_work_page, ctx, sizeof(*ctx));
CopyToIram(IRAM_PAYLOAD_BASE + IRAM_PAYLOAD_MAX_SIZE, g_work_page, sizeof(g_work_page)); CopyToIram(IRAM_PAYLOAD_BASE + IRAM_PAYLOAD_MAX_SIZE, g_work_page, sizeof(g_work_page));
/* If we don't actually have a payload loaded, just go to RCM. */
if (!g_payload_loaded) {
RebootToRcm();
}
RebootToIramPayload(); RebootToIramPayload();
} }

2
stratosphere/libstratosphere

@ -1 +1 @@
Subproject commit 63fc847f8ae43b173a9031071eebb76a1961c41c Subproject commit 9dfe7709d950ef440548b123e43ea69ce52684b4