fatal: Skeleton ScreenDrawing code

stratosphere/fatal/source/fatal_main.cpp

@@ -32,10 +32,13 @@ extern "C" {
 
     u32 __nx_applet_type = AppletType_None;
 
-    #define INNER_HEAP_SIZE 0x380000
+    #define INNER_HEAP_SIZE 0x3C0000
     size_t nx_inner_heap_size = INNER_HEAP_SIZE;
     char   nx_inner_heap[INNER_HEAP_SIZE];
     
+    u32 __nx_nv_transfermem_size = 0x40000;
+    ViServiceType __nx_gfx_vi_service_type = ViServiceType_Manager;
+
     void __libnx_initheap(void);
     void __appInit(void);
     void __appExit(void);
@@ -120,7 +123,11 @@ void __appExit(void) {
 
 int main(int argc, char **argv)
 {
-    consoleDebugInit(debugDevice_SVC);
+    /* TODO: Load settings from set:sys. */
+
+    /* TODO: Load shared font. */
+
+    /* TODO: Check whether we should throw fatal due to repair process... */
 
     /* TODO: What's a good timeout value to use here? */
     auto server_manager = new WaitableManager(1);

stratosphere/fatal/source/fatal_task.cpp

@@ -56,7 +56,7 @@ static void RunTask(IFatalTask *task) {
 void RunFatalTasks(FatalContext *ctx, u64 title_id, bool error_report, Event *erpt_event, Event *battery_event) {
     RunTask(new ErrorReportTask(ctx, title_id, error_report, erpt_event));
     RunTask(new PowerControlTask(ctx, title_id, erpt_event, battery_event));
-    /* TODO: RunTask(new ShowFatalTask(ctx, title_id, battery_event)); */
+    RunTask(new ShowFatalTask(ctx, title_id, battery_event));
     RunTask(new StopSoundTask(ctx, title_id));
     RunTask(new BacklightControlTask(ctx, title_id));
     RunTask(new AdjustClockTask(ctx, title_id));

stratosphere/fatal/source/fatal_task_screen.cpp

@@ -17,6 +17,20 @@
 #include <switch.h>
 #include "fatal_task_screen.hpp"
 
+Result ShowFatalTask::ShowFatal() {
+    Result rc = 0;
+
+    /* TODO: Get graphics to work, draw fatal screen. */
+
+    return rc;
+}
+
+Result ShowFatalTask::Run() {
+    /* Don't show the fatal error screen until we've verified the battery is okay. */
+    eventWait(this->battery_event, U64_MAX);
+
+    return ShowFatal();
+}
 
 void BacklightControlTask::TurnOnBacklight() {
     lblSwitchBacklightOn(0);

stratosphere/fatal/source/fatal_task_screen.hpp

@@ -19,6 +19,19 @@
 #include <stratosphere.hpp>
 #include "fatal_task.hpp"
 
+class ShowFatalTask : public IFatalTask {
+    private:
+        Event *battery_event;
+    private:
+        Result ShowFatal();
+    public:
+        ShowFatalTask(FatalContext *ctx, u64 title_id, Event *evt) : IFatalTask(ctx, title_id), battery_event(evt) { }
+        virtual Result Run() override;
+        virtual const char *GetName() const override {
+            return "ShowFatal";
+        }
+};
+
 class BacklightControlTask : public IFatalTask {
     private:
         void TurnOnBacklight();