fatal: Reboot to RCM if VOL is pressed instead of PWR.

exosphere/src/configitem.c

@@ -36,8 +36,8 @@ uint32_t configitem_set(bool privileged, ConfigItem item, uint64_t value) {
             g_battery_profile = (value != 0);
             break;
         case CONFIGITEM_NEEDS_REBOOT_TO_RCM:
-            /* Force a reboot to RCM. */
+            /* Force a reboot to RCM, if requested. */
-            {
+            if (value != 0) {
                 MAKE_REG32(0x7000E450) = 0x2;
                 MAKE_REG32(0x7000E400) = 0x10;
                 while (1) { }

stratosphere/fatal/fatal.json

@@ -83,7 +83,8 @@
                 "svcGetDebugThreadContext": "0x67",
                 "svcQueryDebugProcessMemory": "0x69",
                 "svcReadDebugProcessMemory": "0x6a",
-                "svcGetDebugThreadParam": "0x6d"
+                "svcGetDebugThreadParam": "0x6d",
+                "svcCallSecureMonitor": "0x7f"
 			}
 		}, {
 			"type":	"min_kernel_version",

stratosphere/fatal/source/fatal_config.cpp

@@ -58,9 +58,9 @@ static void SetupConfigLanguages() {
         config->error_desc = u8"Please call 1-800-875-1852 for service.\n";
     } else {
         config->error_desc = u8"An error has occured.\n\n"
-                             u8"Please press the POWER Button to restart the console. If you are\n"
+                             u8"Please press the POWER Button to restart the console, or a VOL button\n"
-                             u8"unable to restart the console, hold the POWER Button for 12 seconds\n"
+                             u8"to restart the console in RCM mode. If you are unable to restart the\n"
-                             u8"to turn the console off.\n\n"
+                             u8"console, hold the POWER Button for 12 seconds to turn the console off.\n\n"
                              u8"If the problem persists, refer to the Nintendo Support Website.\n"
                              u8"support.nintendo.com/switch/error\n";
     }

stratosphere/fatal/source/fatal_main.cpp

@@ -118,7 +118,7 @@ void __appInit(void) {
         std::abort();
     }
     
-    rc = fsInitialize();
+    rc = gpioInitialize();
     if (R_FAILED(rc)) {
         std::abort();
     }
@@ -141,6 +141,7 @@ void __appExit(void) {
     fsdevUnmountAll();
     fsExit();
     plExit();
+    gpioExit();
     spsmExit();
     psmExit();
     lblExit();

stratosphere/fatal/source/fatal_task_power.cpp

@@ -96,12 +96,43 @@ void PowerButtonObserveTask::WaitForPowerButton() {
     const FatalConfig *config = GetFatalConfig();
     TimeoutHelper reboot_helper(config->quest_reboot_interval_second * 1000000000UL);
     
+    bool check_vol_up = true, check_vol_down = true;
+    GpioPadSession vol_up_btn, vol_down_btn;
+    if (R_FAILED(gpioOpenSession(&vol_up_btn, GpioPadName_ButtonVolUp))) {
+        check_vol_up = false;
+    }
+    if (R_FAILED(gpioOpenSession(&vol_down_btn, GpioPadName_ButtonVolDown))) {
+        check_vol_down = false;
+    }
+    
+    /* Ensure we close on early return. */
+    ON_SCOPE_EXIT { if (check_vol_up) { gpioPadClose(&vol_up_btn); } };
+    ON_SCOPE_EXIT { if (check_vol_down) { gpioPadClose(&vol_down_btn); } };
+    
+    /* Set direction input. */
+    if (check_vol_up) {
+        gpioPadSetDirection(&vol_up_btn, GpioDirection_Input);
+    }
+    if (check_vol_down) {
+        gpioPadSetDirection(&vol_down_btn, GpioDirection_Input);
+    }
+    
     BpcSleepButtonState state;
+    GpioValue val;
     while (true) {
+        Result rc = 0;
         
+        if (check_vol_up && R_SUCCEEDED((rc = gpioPadGetValue(&vol_up_btn, &val))) && val == GpioValue_Low) {
+            /* Tell exosphere to reboot to RCM. */
+            RebootToRcm();
+        }
         
-        Result rc = bpcGetSleepButtonState(&state);
+        if (check_vol_down && R_SUCCEEDED((rc = gpioPadGetValue(&vol_down_btn, &val))) && val == GpioValue_Low) {
-        if ((R_SUCCEEDED(rc) && state == BpcSleepButtonState_Held) || (config->quest_flag && reboot_helper.TimedOut())) {
+            /* Tell exosphere to reboot to RCM. */
+            RebootToRcm();
+        }
+        
+        if ((R_SUCCEEDED(rc = bpcGetSleepButtonState(&state)) && state == BpcSleepButtonState_Held) || (config->quest_flag && reboot_helper.TimedOut())) {
             bpcRebootSystem();
             return;
         }

stratosphere/fatal/source/fatal_task_screen.cpp

@@ -215,9 +215,9 @@ Result ShowFatalTask::ShowFatal() {
     } else {
         /* Print a special message for atmosphere version mismatch. */
         FontManager::Print(u8"Atmosphère version mismatch detected.\n\n"
-                           u8"Please press the POWER Button to restart the console. If you are\n"
+                           u8"Please press the POWER Button to restart the console, or a VOL button\n"
-                           u8"unable to restart the console, hold the POWER Button for 12 seconds\n"
+                           u8"to restart the console in RCM mode. If you are unable to restart the\n"
-                           u8"to turn the console off.\n\n"
+                           u8"console, hold the POWER Button for 12 seconds to turn the console off.\n\n"
                            u8"Please ensure that all Atmosphère components are updated.\n"
                            u8"github.com/Atmosphere-NX/Atmosphere/releases\n");
     }

stratosphere/libstratosphere

@@ -1 +1 @@
-Subproject commit dd31b3d2e2450a458ef9c0d6268f3780fe70e083
+Subproject commit 05015b9354d3df80e0836aa95d1d4dcfc2aef4b7