cleanup of mmc restores/dumps

source/tegraexplorer/emmc/emmcdumppart.c

@@ -0,0 +1,184 @@
+#include <string.h>
+#include "emmcoperations.h"
+#include "../../gfx/gfx.h"
+#include "../gfx/gfxutils.h"
+#include "../../utils/types.h"
+#include "emmc.h"
+#include "../../storage/emummc.h"
+#include "../common/common.h"
+#include "../../libs/fatfs/ff.h"
+#include "../../utils/sprintf.h"
+#include "../../utils/btn.h"
+#include "../../mem/heap.h"
+#include "../../storage/nx_emmc.h"
+#include "../common/types.h"
+#include "../utils/utils.h"
+#include "../fs/fsutils.h"
+
+extern sdmmc_storage_t storage;
+extern emmc_part_t *system_part;
+
+int emmcDumpPart(char *path, sdmmc_storage_t *mmcstorage, 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;
+
+    gfx_printf("Initializing\r");
+    buf = calloc(BUFSIZE, sizeof(u8));
+
+    if (!buf){
+        gfx_errDisplay("dump_emmc_part", ERR_MEM_ALLOC_FAILED, 1);
+        return -1;
+    }
+
+    if ((res = f_open(&fp, path, FA_CREATE_ALWAYS | FA_WRITE))){
+        gfx_errDisplay("dump_emmc_part", res, 2);
+        return -1;
+    }
+
+    f_lseek(&fp, totalSize);
+    f_lseek(&fp, 0);
+
+    while (totalSectors > 0){
+        num = MIN(totalSectors, 64);
+        if (!emummc_storage_read(mmcstorage, lba_curr, num, buf)){
+            gfx_errDisplay("dump_emmc_part", ERR_EMMC_READ_FAILED, 3);
+            return -1;
+        }
+        if ((res = f_write(&fp, buf, num * NX_EMMC_BLOCKSIZE, NULL))){
+            gfx_errDisplay("dump_emmc_part", res, 4);
+            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 existsCheck(char *path){
+    int res = 0;
+
+    if (fsutil_checkfile(path)){
+        gfx_printf("File already exists! Overwrite?\nVol +/- to cancel\n");
+        res = gfx_makewaitmenu("Power to continue", 3);
+        gfx_printf("\r                 \r");
+        return res;
+    }
+
+    return 1;
+}
+
+/*
+int dump_emmc_parts(u16 parts, u8 mmctype){
+    char *path;
+    char basepath[] = "sd:/tegraexplorer/partition_dumps";
+    f_mkdir("sd:/tegraexplorer");
+    f_mkdir("sd:/tegraexplorer/partition_dumps");
+
+    connect_mmc(mmctype);
+    gfx_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;     
+
+            emummc_storage_set_mmc_partition(&storage, i + 1);
+            utils_copystring(fsutil_getnextloc(basepath, bootPart.name), &path);
+
+            if (!existsCheck(path))
+                continue;
+
+            gfx_printf("Dumping %s\n", bootPart.name);
+ 
+            dump_emmc_part(path, &storage, &bootPart);
+            free(path);
+        }
+        emummc_storage_set_mmc_partition(&storage, 0);
+    }
+
+    if (parts & PART_PKG2){
+        for (int i = 0; i < 6; i++){
+            utils_copystring(fsutil_getnextloc(basepath, pkg2names[i]), &path);
+            gfx_printf("Dumping %s\n", pkg2names[i]);
+
+            emmcDumpSpecific(pkg2names[i], path);
+            free(path);
+        }
+    }
+
+    gfx_printf("\nDone!");
+    btn_wait();
+    return 0;
+}
+*/
+
+int emmcDumpBoot(char *basePath){
+    emmc_part_t bootPart;
+    const u32 BOOT_PART_SIZE = storage.ext_csd.boot_mult << 17;
+    char *path;
+    memset(&bootPart, 0, sizeof(emmc_part_t));
+        
+    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;     
+
+        emummc_storage_set_mmc_partition(&storage, i + 1);
+        utils_copystring(fsutil_getnextloc(basePath, bootPart.name), &path);
+
+        if (!existsCheck(path))
+            continue;
+
+        SWAPCOLOR(COLOR_BLUE);
+        gfx_printf("Dumping %s\n", bootPart.name);
+        RESETCOLOR;
+ 
+        emmcDumpPart(path, &storage, &bootPart);
+        free(path);
+    }
+    emummc_storage_set_mmc_partition(&storage, 0);
+    return 0;
+}
+
+int emmcDumpSpecific(char *part, char *path){
+    if (!existsCheck(path))
+        return 0;
+
+    emummc_storage_set_mmc_partition(&storage, 0);
+    if (connect_part(part)){
+        gfx_errDisplay("dump_emmc_specific", ERR_PART_NOT_FOUND, 0);
+        return 1;
+    }
+
+    SWAPCOLOR(COLOR_VIOLET);
+    gfx_printf("Dumping %s\n", part);
+    RESETCOLOR;
+    emmcDumpPart(path, &storage, system_part);
+
+    return 0;
+}