Enabled no SD mode

source/common.h

@@ -38,7 +38,7 @@
     (((v) % (a)) ? ((v) + (a) - ((v) % (a))) : (v))
     
 // GodMode9 version
-#define VERSION "0.8.9"
+#define VERSION "0.9.0"
 
 // input / output paths
 #define INPUT_PATHS     "0:", "0:/files9", "0:/Decrypt9"

source/fs/fsinit.c

@@ -18,8 +18,6 @@ bool InitSDCardFS() {
 }
 
 bool InitExtFS() {
-    if (!fs_mounted[0])
-        return false;
     for (u32 i = 1; i < NORM_FS; i++) {
         char fsname[8];
         snprintf(fsname, 7, "%lu:", i);
@@ -62,6 +60,7 @@ bool InitImgFS(const char* path) {
 void DeinitExtFS() {
     SetupNandSdDrive(NULL, NULL, NULL, 0);
     SetupNandSdDrive(NULL, NULL, NULL, 1);
+    InitImgFS(NULL);
     for (u32 i = NORM_FS - 1; i > 0; i--) {
         if (fs_mounted[i]) {
             char fsname[8];
@@ -69,26 +68,21 @@ void DeinitExtFS() {
             f_mount(NULL, fsname, 1);
             fs_mounted[i] = false;
         }
-        if (i == NORM_FS - IMGN_FS) { // unmount image
-            MountImage(NULL);
-            InitVGameDrive();
-        }
     }
 }
 
 void DeinitSDCardFS() {
-    MountImage(NULL);
+    DismountDriveType(DRV_SDCARD|DRV_EMUNAND);
-    InitVGameDrive();
-    if (fs_mounted[0]) {
-        f_mount(NULL, "0:", 1);
-        fs_mounted[0] = false;
-    }
 }
 
 void DismountDriveType(u32 type) { // careful with this - no safety checks
     if (type & DriveType(GetMountPath()))
         InitImgFS(NULL); // image is mounted from type -> unmount image drive, too
-    for (u32 i = NORM_FS - 1; i > 0; i--) {
+    if (type & DRV_SDCARD) {
+        SetupNandSdDrive(NULL, NULL, NULL, 0);
+        SetupNandSdDrive(NULL, NULL, NULL, 1);
+    }
+    for (u32 i = 0; i < NORM_FS; i++) {
         char fsname[8];
         snprintf(fsname, 7, "%lu:", i);
         if (!fs_mounted[i] || !(type & DriveType(fsname)))
@@ -98,6 +92,10 @@ void DismountDriveType(u32 type) { // careful with this - no safety checks
     }
 }
 
+bool CheckSDMountState(void) {
+    return fs_mounted[0] || fs_mounted[4] || fs_mounted[5] || fs_mounted[6];
+}
+
 int GetMountedFSNum(const char* path) {
     char alias[256];
     dealias_path(alias, path);

source/fs/fsinit.h

@@ -3,7 +3,7 @@
 #include "common.h"
 #include "ff.h"
 
-// init SD card filesystem - required for everything else
+// init SD card filesystem - required(?) for everything else
 bool InitSDCardFS();
 
 // init fill external fileystem 
@@ -21,6 +21,9 @@ void DeinitSDCardFS();
 // dismount drives of a certain type
 void DismountDriveType(u32 type);
 
+// returns the mount state of the SD card 
+bool CheckSDMountState(void);
+
 // get number of mounted file system (only for FATFS filesystems)
 int GetMountedFSNum(const char* path);
 

source/godmode.c

@@ -46,7 +46,8 @@ void DrawUserInterface(const char* curr_path, DirEntry* curr_entry, DirStruct* c
     u32 state_curr =
         ((*curr_path) ? (1<<0) : 0) |
         ((clipboard->n_entries) ? (1<<1) : 0) |
-        (GetMountState()<<2) |
+        ((CheckSDMountState()) ? (1<<2) : 0) |
+        ((GetMountState()) ? (1<<3) : 0) |
         (curr_pane<<4);
     
     if (state_prev != state_curr) {
@@ -129,7 +130,7 @@ void DrawUserInterface(const char* curr_path, DirEntry* curr_entry, DirStruct* c
     
     // bottom: inctruction block
     char instr[512];
-    snprintf(instr, 512, "%s%s\n%s%s%s%s%s%s%s",
+    snprintf(instr, 512, "%s%s\n%s%s%s%s%s%s%s%s",
         #ifndef SAFEMODE
         "GodMode9 Explorer v", VERSION, // generic start part
         #else
@@ -137,9 +138,9 @@ void DrawUserInterface(const char* curr_path, DirEntry* curr_entry, DirStruct* c
         #endif
         (*curr_path) ? ((clipboard->n_entries == 0) ? "L - MARK files (use with \x18\x19\x1A\x1B)\nX - DELETE / [+R] RENAME file(s)\nY - COPY file(s) / [+R] CREATE dir\n" :
         "L - MARK files (use with \x18\x19\x1A\x1B)\nX - DELETE / [+R] RENAME file(s)\nY - PASTE file(s) / [+R] CREATE dir\n") :
-        ((GetWritePermissions() > PERM_BASE) ? "R+Y - Relock write permissions\nR+B - Unmount SD card\n" :
+        ((GetWritePermissions() > PERM_BASE) ? "R+Y - Relock write permissions\n" : "R+Y - Unlock write permissions\n"),
-        "R+Y - Unlock write permissions\nR+B - Unmount SD card\n"),
+        (*curr_path) ? "" : (CheckSDMountState()) ? "R+B - Unmount SD card\n" : "R+B - Remount SD card\n",
-        (*curr_path) ? "" : "R+X - Reinit filesystem\n",
+        (*curr_path) ? "" : (GetMountState()) ? "R+X - Unmount image\n" : "",
         (*curr_path) ? "R+A - Search directory\n" : "R+A - Search drive\n", 
         "R+L - Make a Screenshot\n",
         "R+\x1B\x1A - Switch to prev/next pane\n",
@@ -569,7 +570,7 @@ u32 FileHandlerMenu(char* current_path, u32* cursor, u32* scroll, DirStruct* cur
     u32 drvtype = DriveType(curr_entry->path);
     
     // special stuff, only available on FAT drives (see int special below)
-    bool mountable = ((filetype & FTYPE_MOUNTABLE) && !(drvtype & (DRV_IMAGE|DRV_RAMDRIVE)));
+    bool mountable = ((filetype & FTYPE_MOUNTABLE) && !(drvtype & DRV_IMAGE));
     bool verificable = (filetype & FYTPE_VERIFICABLE);
     bool decryptable = (filetype & FYTPE_DECRYPTABLE);
     bool decryptable_inplace = (decryptable && (drvtype & (DRV_SDCARD|DRV_RAMDRIVE)));
@@ -808,8 +809,13 @@ u32 GodMode() {
         return exit_mode;
     }
     while (!InitSDCardFS()) {
-        if (!ShowPrompt(true, "Initialising SD card failed! Retry?"))
+        const char* optionstr[] = { "Retry initialising", "Poweroff system", "Reboot system", "No SD mode (exp.)", "SD format menu" };
-            return exit_mode;
+        u32 user_select = ShowSelectPrompt(5, optionstr, "Initialising SD card failed!\nSelect action:" );
+        if (user_select == 2) return GODMODE_EXIT_POWEROFF;
+        else if (user_select == 3) return GODMODE_EXIT_REBOOT;
+        else if (user_select == 4) break;
+        else if (user_select == 5) SdFormatMenu();
+        ClearScreenF(true, true, COLOR_STD_BG);
     }
     InitEmuNandBase();
     InitNandCrypto();
@@ -913,21 +919,15 @@ u32 GodMode() {
                 }
             }
         } else if (switched && (pad_state & BUTTON_B)) { // unmount SD card
-            if (clipboard->n_entries && (DriveType(clipboard->entry[0].path) & (DRV_SDCARD|DRV_ALIAS|DRV_EMUNAND|DRV_IMAGE)))
-                clipboard->n_entries = 0; // remove SD clipboard entries
             DeinitExtFS();
+            if (!CheckSDMountState()) {
+                while (!InitSDCardFS() &&
+                    ShowPrompt(true, "Reinitialising SD card failed! Retry?"));
+            } else {
                 DeinitSDCardFS();
-            memset(panedata, 0x00, N_PANES * sizeof(PaneData));
+                if (clipboard->n_entries && (DriveType(clipboard->entry[0].path) &
-            ShowString("SD card unmounted, you can eject now.\n \n<R+Y+\x1B> for format menu\n<A> to remount SD card");
+                    (DRV_SDCARD|DRV_ALIAS|DRV_EMUNAND|DRV_IMAGE)))
-            while (true) {
+                    clipboard->n_entries = 0; // remove SD clipboard entries
-                u32 pad_choice = InputWait();
-                if ((pad_choice & (BUTTON_R1|BUTTON_Y|BUTTON_LEFT)) == (BUTTON_R1|BUTTON_Y|BUTTON_LEFT))
-                    SdFormatMenu();
-                else if ((pad_choice & BUTTON_B) && InitSDCardFS()) break;
-                else if (pad_choice & (BUTTON_B|BUTTON_START)) return exit_mode;
-                else if (!(pad_choice & BUTTON_A)) continue;
-                if (InitSDCardFS()) break;
-                ShowString("Reinitialising SD card failed!\n \n<R+Y+\x1B> for format menu\n<A> to retry, <B> to reboot");
             }
             ClearScreenF(true, true, COLOR_STD_BG);
             InitEmuNandBase();
@@ -974,13 +974,10 @@ u32 GodMode() {
 
         // highly specific commands
         if (!*current_path) { // in the root folder...
-            if (switched && (pad_state & BUTTON_X)) { // reinit file system / unmount image
+            if (switched && (pad_state & BUTTON_X)) { // unmount image
                 if (clipboard->n_entries && (DriveType(clipboard->entry[0].path) & DRV_IMAGE))
                     clipboard->n_entries = 0; // remove last mounted image clipboard entries
-                DeinitExtFS();
+                InitImgFS(NULL);
-                DeinitSDCardFS();
-                InitSDCardFS();
-                InitExtFS();
                 ClearScreenF(false, true, COLOR_STD_BG);
                 GetDirContents(current_dir, current_path);
             } else if (switched && (pad_state & BUTTON_Y)) {
@@ -1110,7 +1107,7 @@ u32 GodMode() {
             exit_mode = GODMODE_EXIT_POWEROFF;
             break;
         } else if (pad_state & BUTTON_HOME) { // Home menu
-            const char* optionstr[3] = { "Poweroff system", "Reboot system", "SD format menu" };
+            const char* optionstr[] = { "Poweroff system", "Reboot system", "SD format menu" };
             u32 user_select = ShowSelectPrompt(3, optionstr, "HOME button pressed.\nSelect action:" );
             if (user_select == 1) { 
                 exit_mode = GODMODE_EXIT_POWEROFF;
@@ -1118,24 +1115,22 @@ u32 GodMode() {
             } else if (user_select == 2) { 
                 exit_mode = GODMODE_EXIT_REBOOT;
                 break;
-            } else if (user_select == 3) {
+            } else if (user_select == 3) { // format SD card
+                bool sd_state = CheckSDMountState();
                 if (clipboard->n_entries && (DriveType(clipboard->entry[0].path) & (DRV_SDCARD|DRV_ALIAS|DRV_EMUNAND|DRV_IMAGE)))
                     clipboard->n_entries = 0; // remove SD clipboard entries
                 DeinitExtFS();
                 DeinitSDCardFS();
-                clipboard->n_entries = 0;
+                if ((SdFormatMenu() == 0) || sd_state) {;
-                memset(panedata, 0x00, N_PANES * sizeof(PaneData));
+                    while (!InitSDCardFS() &&
-                if (ShowPrompt(true, "SD card unmounted, enter format menu?"))
+                        ShowPrompt(true, "Reinitialising SD card failed! Retry?"));
-                    SdFormatMenu();
-                while (!InitSDCardFS()) {
-                    if (!ShowPrompt(true, "Reinitialising SD card failed! Retry?"))
-                        return exit_mode;
                 }
                 ClearScreenF(true, true, COLOR_STD_BG);
                 InitEmuNandBase();
                 InitExtFS();
                 GetDirContents(current_dir, current_path);
-                if (cursor >= current_dir->n_entries) cursor = 0;
+                if (cursor >= current_dir->n_entries)
+                    cursor = current_dir->n_entries - 1;
             }
         }
     }

source/nand/nand.c

@@ -359,7 +359,9 @@ u64 GetNandSizeSectors(u32 nand_src)
 {
     u32 sysnand_sectors = getMMCDevice(0)->total_size;
     if (nand_src == NAND_EMUNAND) { // for EmuNAND
-        u32 emunand_max_sectors = GetPartitionOffsetSector("0:") - (emunand_base_sector + 1); // +1 for safety
+        u32 partition_offset = GetPartitionOffsetSector("0:");
+        u32 emunand_max_sectors = (partition_offset >= (emunand_base_sector + 1)) ? // +1 for safety
+            partition_offset - (emunand_base_sector + 1) : 0; 
         u32 emunand_min_sectors = (emunand_base_sector % 0x200000 == 0) ? sysnand_sectors : NAND_MIN_SECTORS;
         if (emunand_max_sectors >= sysnand_sectors) return sysnand_sectors;
         else return (emunand_min_sectors > emunand_max_sectors) ? 0 : emunand_min_sectors;