Implement bis dumping

source/gfx/gfx.c

@@ -514,10 +514,10 @@ void gfx_set_rect_grey(const u8 *buf, u32 size_x, u32 size_y, u32 pos_x, u32 pos
 }
 
 void gfx_box(int x0, int y0, int x1, int y1, u32 color){
-	int i = y0;
-	while(y1 >= i){
-		gfx_line(x0, i, x1, i, color);
-		i++;
+	for (int x = x0; x < x1 + 1; x++){
+		for (int y = y0; y < y1 + 1; y++){
+			gfx_set_pixel(x, y, color);
+		}
 	}
 }
 

source/tegraexplorer/emmc.c

@@ -61,11 +61,8 @@ pkg1_info returnpkg1info(){
     return pkg1inf;
 }
 
-int mount_mmc(const char *partition, const int biskeynumb){
-    f_unmount("emmc:");
-
-    se_aes_key_set(8, bis_key[biskeynumb] + 0x00, 0x10);
-    se_aes_key_set(9, bis_key[biskeynumb] + 0x10, 0x10);
+int connect_part(const char *partition){
+    sdmmc_storage_set_mmc_partition(&storage, 0);
 
     system_part = nx_emmc_part_find(&gpt, partition);
     if (!system_part) {
@@ -73,6 +70,18 @@ int mount_mmc(const char *partition, const int biskeynumb){
         return -1;
     }
 
+    return 0;
+}
+
+int mount_mmc(const char *partition, const int biskeynumb){
+    f_unmount("emmc:");
+    
+    se_aes_key_set(8, bis_key[biskeynumb] + 0x00, 0x10);
+    se_aes_key_set(9, bis_key[biskeynumb] + 0x10, 0x10);
+
+    if (connect_part(partition))
+        return -1;
+
     if (f_mount(&emmc, "emmc:", 1)) {
         gfx_printf("Mount failed of %s.", partition);
         return -1;

source/tegraexplorer/emmc.h

@@ -13,7 +13,7 @@ pkg1_info returnpkg1info();
 int mount_mmc(const char *partition, const int biskeynumb);
 void connect_mmc(short mmctype);
 void disconnect_mmc();
-
+int connect_part(const char *partition);
 
 static const u8 zeros[0x10] = {0};
 

source/tegraexplorer/io.c

@@ -9,6 +9,13 @@
 #include "../gfx/gfx.h"
 #include "../utils/util.h"
 #include "io.h"
+#include "emmc.h"
+#include "../storage/sdmmc.h"
+#include "../storage/nx_emmc.h"
+#include "../utils/types.h"
+
+extern sdmmc_storage_t storage;
+extern emmc_part_t *system_part;
 
 bool checkfile(char* path){
     FRESULT fr;
@@ -253,3 +260,98 @@ int copy_recursive(char *path, char *dstpath){
 
     return 0;
 }
+
+int dump_emmc_part(char *path, sdmmc_storage_t *storage, emmc_part_t *part){
+    FIL fp;
+    u8 *buf;
+	u32 lba_curr = part->lba_start;
+	u32 bytesWritten = 0;
+    u32 totalSectors = part->lba_end - part->lba_start + 1;
+    u64 totalSize = (u64)((u64)totalSectors << 9);
+    u32 num = 0;
+    u32 pct = 0;
+    int res;
+
+    buf = calloc(16384, sizeof(u8));
+
+    if ((res = f_open(&fp, path, FA_CREATE_ALWAYS | FA_WRITE))){
+        message(COLOR_RED, "f_open() failed! err: %d", res);
+        return -1;
+    }
+
+    f_lseek(&fp, totalSize);
+    f_lseek(&fp, 0);
+
+    while (totalSectors > 0){
+        num = MIN(totalSectors, 32);
+        if (!sdmmc_storage_read(storage, lba_curr, num, buf)){
+            message(COLOR_RED, "eMMC read failed!");
+            return -1;
+        }
+        if ((res = f_write(&fp, buf, num * NX_EMMC_BLOCKSIZE, NULL))){
+            message(COLOR_RED, "f_write() failed! err: %d", res);
+            return -1;
+        }
+        pct = (u64)((u64)(lba_curr - part->lba_start) * 100u) / (u64)(part->lba_end - part->lba_start);
+        gfx_printf("Progress: %d%%\r", pct);
+
+        lba_curr += num;
+        totalSectors -= num;
+        bytesWritten += num * NX_EMMC_BLOCKSIZE;
+    }
+    gfx_printf("                \r");
+    f_close(&fp);
+    free(buf);
+    return 0;
+}
+
+int dump_emmc_parts(u16 parts, u8 mmctype){
+    char *path;
+    char basepath[] = "sd:/tegraexplorer/dumps";
+    f_mkdir("sd:/tegraexplorer");
+    f_mkdir("sd:/tegraexplorer/dumps");
+
+    connect_mmc(mmctype);
+    clearscreen();
+
+    if (parts & PART_BOOT){
+        emmc_part_t bootPart;
+        const u32 BOOT_PART_SIZE = storage.ext_csd.boot_mult << 17;
+        memset(&bootPart, 0, sizeof(bootPart));
+        
+        bootPart.lba_start = 0;
+        bootPart.lba_end = (BOOT_PART_SIZE / NX_EMMC_BLOCKSIZE) - 1;
+        
+        for (int i = 0; i < 2; i++){
+            strcpy(bootPart.name, "BOOT");
+            bootPart.name[4] = (u8)('0' + i);
+		    bootPart.name[5] = 0;     
+
+            sdmmc_storage_set_mmc_partition(&storage, i + 1);
+            makestring(getnextloc(basepath, bootPart.name), &path);
+            gfx_printf("Dumping %s\n", bootPart.name);
+ 
+            dump_emmc_part(path, &storage, &bootPart);
+            free(path);
+        }
+    }
+
+    if (parts & PART_PKG2){
+        for (int i = 0; i < 6; i++){
+            if (connect_part(pkg2names[i])){
+                message(COLOR_RED, "Find of partition failed!\nPart: %s", pkg2names[i]);
+                return -1;
+            }
+
+            makestring(getnextloc(basepath, system_part->name), &path);
+            gfx_printf("Dumping %s\n", system_part->name);
+
+            dump_emmc_part(path, &storage, system_part);
+            free(path);
+        }
+    }
+
+    gfx_printf("\nDone!");
+    btn_wait();
+    return 0;
+}

source/tegraexplorer/io.h

@@ -8,3 +8,16 @@ int getfolderentryamount(const char *path);
 void makestring(char *in, char **out);
 int del_recursive(char *path);
 int copy_recursive(char *path, char *dstpath);
+int dump_emmc_parts(u16 parts, u8 mmctype);
+
+#define PART_BOOT 0x1
+#define PART_PKG2 0x2
+
+static const char *pkg2names[] = {
+    "BCPKG2-1-Normal-Main",
+    "BCPKG2-2-Normal-Sub",
+    "BCPKG2-3-SafeMode-Main",
+    "BCPKG2-4-SafeMode-Sub",
+    "BCPKG2-5-Repair-Main",
+    "BCPKG2-6-Repair-Sub"
+};

source/tegraexplorer/te.c

@@ -41,13 +41,14 @@ menu_item shutdownmenu[7] = {
     {"Reboot to Atmosphere", COLOR_GREEN, AMS, -1}
 };
 
-menu_item toolsmenu[6] = {
+menu_item toolsmenu[7] = {
     {"-- TOOLS --\n", COLOR_VIOLET, -1, 0},
     {"Back", COLOR_WHITE, -1, 1},
     {"\nDisplay Console Info", COLOR_GREEN, DISPLAY_INFO, 1},
     {"Display GPIO pins", COLOR_VIOLET, DISPLAY_GPIO, 1},
     {"Dump Firmware", COLOR_BLUE, DUMPFIRMWARE, 1},
-    {"Dump User Saves", COLOR_YELLOW, DUMPUSERSAVE, 1}
+    {"Dump User Saves", COLOR_YELLOW, DUMPUSERSAVE, 1},
+    {"[DEBUG] Dump bis", COLOR_RED, DUMP_BOOT, 1}
 };
 
 menu_item formatmenu[4] = {
@@ -103,7 +104,7 @@ void MainMenu_MountSD(){
 }
 
 void MainMenu_Tools(){
-    res = makemenu(toolsmenu, 6);
+    res = makemenu(toolsmenu, 7);
 
     switch(res){
         case DISPLAY_INFO:
@@ -124,6 +125,9 @@ void MainMenu_Tools(){
                 dumpusersaves(SYSMMC);
 
             break;
+        case DUMP_BOOT:
+            dump_emmc_parts(PART_BOOT | PART_PKG2, SYSMMC);
+            break;
     }
 }
 

source/tegraexplorer/te.h

@@ -38,7 +38,8 @@ enum toolsmenu_return {
     DISPLAY_INFO = 1,
     DISPLAY_GPIO,
     DUMPFIRMWARE,
-    DUMPUSERSAVE
+    DUMPUSERSAVE,
+    DUMP_BOOT
 };
 
 enum formatmenu_return {