add partition dumping

source/err.c

@@ -26,7 +26,9 @@ const char *TEErrors[] = {
     [TE_ERR_SAME_LOC - 1] = "Same copy location",
     [TE_ERR_KEYDUMP_FAIL - 1] = "Keydump failed",
     [TE_ERR_PARTITION_NOT_FOUND - 1] = "Failed to find partition",
-    [TE_ERR_PATH_IN_PATH - 1] = "Can't move/copy folder into itself"
+    [TE_ERR_PATH_IN_PATH - 1] = "Can't move/copy folder into itself",
+    [TE_ERR_EMMC_READ_FAIL - 1] = "Emmc/Emummc read failed",
+    [TE_ERR_NO_SD - 1] = "No sd detected",
 };
 
 const char *GetErrStr(u32 err){

source/err.h

@@ -17,6 +17,9 @@ enum {
     TE_ERR_KEYDUMP_FAIL,
     TE_ERR_PARTITION_NOT_FOUND,
     TE_ERR_PATH_IN_PATH,
+    TE_ERR_EMMC_READ_FAIL,
+    TE_ERR_EMMC_WRITE_FAIL,
+    TE_ERR_NO_SD,
 };
 
 #define newErrCode(err) (ErrCode_t) {err, __LINE__, __FILE__}

source/storage/emmcfile.c

@@ -0,0 +1,84 @@
+#include "emmcfile.h"
+#include "../gfx/gfx.h"
+#include "emummc.h"
+#include "mountmanager.h"
+#include <libs/fatfs/ff.h>
+#include "nx_emmc.h"
+#include <mem/heap.h>
+#include "../err.h"
+#include "../tegraexplorer/tconf.h"
+#include "../gfx/gfxutils.h"
+#include "../hid/hid.h"
+#include <storage/nx_sd.h>
+#include <string.h>
+
+// Uses default storage in nx_emmc.c
+// Expects the correct mmc & partition to be set
+ErrCode_t EmmcDumpToFile(const char *path, u32 lba_start, u32 lba_end){
+    FIL fp;
+    u32 curLba = lba_start;
+    u32 totalSectors = lba_end - lba_start + 1;
+    
+    int res = f_open(&fp, path, FA_CREATE_ALWAYS | FA_WRITE);
+    if (res){
+        return newErrCode(res);
+    }
+
+    ErrCode_t err = newErrCode(0);
+
+    u8 *buff = malloc(TConf.FSBuffSize);
+
+    u32 x, y;
+    gfx_con_getpos(&x, &y);
+
+    while (totalSectors > 0){
+        u32 num = MIN(totalSectors, TConf.FSBuffSize / NX_EMMC_BLOCKSIZE);
+        if (!emummc_storage_read(&emmc_storage, curLba, num, buff)){
+            err = newErrCode(TE_ERR_EMMC_READ_FAIL);
+            break;
+        }
+
+        if ((res = f_write(&fp, buff, num * NX_EMMC_BLOCKSIZE, NULL))){
+            err = newErrCode(res);
+            break;
+        }
+
+        curLba += num;
+        totalSectors -= num;
+
+        u32 percent = ((curLba - lba_start) * 100) / ((lba_end - lba_start + 1));
+        gfx_printf("[%3d%%]", percent);
+        gfx_con_setpos(x, y);
+    }
+
+    f_close(&fp);
+    free(buff);
+    return err;
+}
+
+ErrCode_t DumpEmmcPart(const char *path, const char *part){
+    const u32 BOOT_PART_SIZE = emmc_storage.ext_csd.boot_mult << 17;
+
+    if (!sd_mount())
+        return newErrCode(TE_ERR_NO_SD);
+
+    // maybe check for existing file here
+
+    if (!memcmp(part, "BOOT0", 5)){
+        emummc_storage_set_mmc_partition(&emmc_storage, 1);
+        return EmmcDumpToFile(path, 0, (BOOT_PART_SIZE / NX_EMMC_BLOCKSIZE) - 1);
+    }
+    else if (!memcmp(part, "BOOT1", 5)){
+        emummc_storage_set_mmc_partition(&emmc_storage, 2);
+        return EmmcDumpToFile(path, 0, (BOOT_PART_SIZE / NX_EMMC_BLOCKSIZE) - 1);
+    }
+    else {
+        emummc_storage_set_mmc_partition(&emmc_storage, 0);
+
+        emmc_part_t *system_part = nx_emmc_part_find(GetCurGPT(), part);
+        if (!system_part)
+            return newErrCode(TE_ERR_PARTITION_NOT_FOUND);
+
+        return EmmcDumpToFile(path, system_part->lba_start, system_part->lba_end);
+    }
+}

source/storage/emmcfile.h

@@ -0,0 +1,4 @@
+#pragma once
+#include "../err.h"
+
+ErrCode_t DumpEmmcPart(const char *path, const char *part);

source/storage/gptmenu.c

@@ -11,11 +11,15 @@
 #include "../fs/menus/explorer.h"
 #include "../err.h"
 #include "../tegraexplorer/tconf.h"
+#include "emmcfile.h"
+#include <storage/nx_sd.h>
+#include "../fs/fsutils.h"
 
 MenuEntry_t GptMenuHeader[] = {
     {.optionUnion = COLORTORGB(COLOR_ORANGE), .name = "<- Back"},
-    {.optionUnion = COLORTORGB(COLOR_GREY) | SKIPBIT, .name = "Clipboard -> Partition"},
+    {.optionUnion = COLORTORGB(COLOR_GREY) | SKIPBIT, .name = "Clipboard -> Partition\n"},
-    {.optionUnion = COLORTORGB(COLOR_GREY) | SKIPBIT, .name = "\nBoot0/1"} // Should be blue when implemented
+    {.optionUnion = COLORTORGB(COLOR_BLUE), .name = "BOOT0", .icon = 128, .showSize = 1, .size = 4, .sizeDef = 2}, 
+    {.optionUnion = COLORTORGB(COLOR_BLUE), .name = "BOOT1", .icon = 128, .showSize = 1, .size = 4, .sizeDef = 2} 
 };
 
 const char *GptFSEntries[] = {
@@ -30,7 +34,7 @@ void GptMenu(u8 MMCType){
         return;
 
     Vector_t GptMenu = newVec(sizeof(MenuEntry_t), 15);
-    GptMenu.count = 3;
+    GptMenu.count = ARR_LEN(GptMenuHeader);
     memcpy(GptMenu.data, GptMenuHeader, sizeof(MenuEntry_t) * ARR_LEN(GptMenuHeader));
 
     link_t *gpt = GetCurGPT();
@@ -70,7 +74,7 @@ void GptMenu(u8 MMCType){
 
         res = newMenu(&GptMenu, res, 40, 20, ALWAYSREDRAW | ENABLEB, GptMenu.count);
 
-        if (res < 3){
+        if (res < 2){
             break;
         }
         else if (entries[res].icon == 127){
@@ -88,7 +92,25 @@ void GptMenu(u8 MMCType){
             }
         }
         else {
-            DrawError(newErrCode(TE_ERR_UNIMPLEMENTED));
+            if (!sd_mount())
+                continue;
+
+            gfx_clearscreen();
+            gfx_printf("Do you want to dump %s?  ", entries[res].name);
+            if (MakeYesNoHorzMenu(3, COLOR_DEFAULT)){
+                gfx_putc('\n');
+                RESETCOLOR;
+                gfx_printf("Dumping %s... ", entries[res].name);
+
+                f_mkdir("sd:/tegraexplorer");
+                f_mkdir("sd:/tegraexplorer/Dumps");
+
+                char *path = CombinePaths("sd:/tegraexplorer/Dumps", entries[res].name);
+
+                ErrCode_t a = DumpEmmcPart(path, entries[res].name);
+                if (a.err)
+                    DrawError(a);
+            }
         }
     }
 

source/storage/mountmanager.c

@@ -27,12 +27,16 @@ void SetKeySlots(){
 
 LIST_INIT(curGpt);
 
-void disconnectMMC(){
+void unmountMMCPart(){
     if (TConf.connectedMMCMounted)
         f_unmount("bis:");
+    TConf.connectedMMCMounted = 0;
+}
+
+void disconnectMMC(){
+    unmountMMCPart();
 
     if (TConf.currentMMCConnected != MMC_CONN_None){
-        TConf.connectedMMCMounted = 0;
         TConf.currentMMCConnected = MMC_CONN_None;
         emummc_storage_end(&emmc_storage);
         nx_emmc_gpt_free(&curGpt);
@@ -57,7 +61,8 @@ int connectMMC(u8 mmcType){
 }
 
 ErrCode_t mountMMCPart(const char *partition){
-    if (!TConf.connectedMMCMounted){
+    unmountMMCPart();
+
     emummc_storage_set_mmc_partition(&emmc_storage, 0); // why i have to do this twice beats me
         
     emmc_part_t *system_part = nx_emmc_part_find(&curGpt, partition);
@@ -71,7 +76,7 @@ ErrCode_t mountMMCPart(const char *partition){
         return newErrCode(res);
 
     TConf.connectedMMCMounted = 1;
-    }
+    
 
     return newErrCode(0);
 }
@@ -81,9 +86,3 @@ link_t *GetCurGPT(){
         return &curGpt;
     return NULL;
 }
-
-void unmountMMCPart(){
-    if (TConf.connectedMMCMounted)
-        f_unmount("bis:");
-    TConf.connectedMMCMounted = 0;
-}

source/tegraexplorer/mainmenu.c

@@ -15,10 +15,6 @@
 #include <utils/util.h>
 #include "../fs/fsutils.h"
 
-#include <string.h>
-#include "../utils/utils.h"
-#include <mem/heap.h>
-
 enum {
     MainExplore = 0,
     MainBrowseSd,