git subrepo clone --branch=develop https://github.com/m4xw/emummc emummc

subrepo:
  subdir:   "emummc"
  merged:   "a9d569594"
upstream:
  origin:   "https://github.com/m4xw/emummc"
  branch:   "develop"
  commit:   "a9d569594"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

emummc/source/utils/fatal.c

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2019 m4xw <m4x@m4xw.net>
+ * Copyright (c) 2019 Atmosphere-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 <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)
+        ; // Should never be reached
+}