OmniNX/Atmosphere
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git subrepo pull emummc

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subrepo:
  subdir:   "emummc"
  merged:   "5f5817e6"
upstream:
  origin:   "https://github.com/m4xw/emuMMC"
  branch:   "develop"
  commit:   "5f5817e6"
git-subrepo:
  version:  "0.4.0"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "5d6aba9"
This commit is contained in:
Michael Scire
2019-09-12 02:03:03 -07:00
committed by SciresM
parent 93d83c5bb9
commit a18a6e87df
8 changed files with 189 additions and 5 deletions
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15
emummc/source/utils/fatal.c
View File

@@ -15,13 +15,26 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include "fatal.h"
void __attribute__((noreturn)) fatal_abort(enum FatalReason abortReason)
{
atmosphere_fatal_error_ctx error_ctx;
memset(&error_ctx, 0, sizeof(atmosphere_fatal_error_ctx));
// Basic error storage for Atmosphere
// TODO: Maybe include a small reboot2payload stub?
error_ctx.magic = ATMOSPHERE_REBOOT_TO_FATAL_MAGIC;
error_ctx.title_id = 0x0100000000000000; // FS
error_ctx.error_desc = abortReason;
// Copy fatal context
smcCopyToIram(ATMOSPHERE_FATAL_ERROR_ADDR, &error_ctx, sizeof(atmosphere_fatal_error_ctx));
// Reboot to RCM
smcRebootToRcm();
while(true)
while (true)
; // Should never be reached
}

44
emummc/source/utils/fatal.h
View File

@@ -18,7 +18,8 @@
#pragma once
#include "../nx/smc.h"
enum FatalReason {
enum FatalReason
{
Fatal_InitMMC = 0,
Fatal_InitSD,
Fatal_InvalidAccessor,
@@ -32,4 +33,45 @@ enum FatalReason {
Fatal_Max
};
#define AMS_FATAL_ERROR_MAX_STACKTRACE 0x20
#define AMS_FATAL_ERROR_MAX_STACKDUMP 0x100
/* Atmosphere reboot-to-fatal-error. */
typedef struct
{
uint32_t magic;
uint32_t error_desc;
uint64_t title_id;
union {
uint64_t gprs[32];
struct
{
uint64_t _gprs[29];
uint64_t fp;
uint64_t lr;
uint64_t sp;
};
};
uint64_t pc;
uint64_t module_base;
uint32_t pstate;
uint32_t afsr0;
uint32_t afsr1;
uint32_t esr;
uint64_t far;
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;
/* "AFE1" */
#define ATMOSPHERE_REBOOT_TO_FATAL_MAGIC 0x31454641
/* "AFE0" */
#define ATMOSPHERE_REBOOT_TO_FATAL_MAGIC_0 0x30454641
#define ATMOSPHERE_FATAL_ERROR_ADDR 0x4003E000
#define ATMOSPHERE_FATAL_ERROR_CONTEXT ((volatile atmosphere_fatal_error_ctx *)(ATMOSPHERE_FATAL_ERROR_ADDR))
void __attribute__((noreturn)) fatal_abort(enum FatalReason abortReason);