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      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  *  * Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  *  * Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in
     12  *    the documentation and/or other materials provided with the
     13  *    distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     18  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
     19  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
     22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
     25  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #include <stdio.h>
     30 #include <stdlib.h>
     31 #include <stdarg.h>
     32 #include <string.h>
     33 #include <errno.h>
     34 #include <fcntl.h>
     35 #include <unistd.h>
     36 #include <limits.h>
     37 #include <ctype.h>
     38 
     39 #include <sys/time.h>
     40 #include <bootimg.h>
     41 #include <zipfile/zipfile.h>
     42 
     43 #include "fastboot.h"
     44 
     45 char cur_product[FB_RESPONSE_SZ + 1];
     46 
     47 void bootimg_set_cmdline(boot_img_hdr *h, const char *cmdline);
     48 
     49 boot_img_hdr *mkbootimg(void *kernel, unsigned kernel_size,
     50                         void *ramdisk, unsigned ramdisk_size,
     51                         void *second, unsigned second_size,
     52                         unsigned page_size, unsigned base,
     53                         unsigned *bootimg_size);
     54 
     55 static usb_handle *usb = 0;
     56 static const char *serial = 0;
     57 static const char *product = 0;
     58 static const char *cmdline = 0;
     59 static int wipe_data = 0;
     60 static unsigned short vendor_id = 0;
     61 
     62 static unsigned base_addr = 0x10000000;
     63 
     64 void die(const char *fmt, ...)
     65 {
     66     va_list ap;
     67     va_start(ap, fmt);
     68     fprintf(stderr,"error: ");
     69     vfprintf(stderr, fmt, ap);
     70     fprintf(stderr,"\n");
     71     va_end(ap);
     72     exit(1);
     73 }
     74 
     75 void get_my_path(char *path);
     76 
     77 char *find_item(const char *item, const char *product)
     78 {
     79     char *dir;
     80     char *fn;
     81     char path[PATH_MAX + 128];
     82 
     83     if(!strcmp(item,"boot")) {
     84         fn = "boot.img";
     85     } else if(!strcmp(item,"recovery")) {
     86         fn = "recovery.img";
     87     } else if(!strcmp(item,"system")) {
     88         fn = "system.img";
     89     } else if(!strcmp(item,"userdata")) {
     90         fn = "userdata.img";
     91     } else if(!strcmp(item,"cache")) {
     92         fn = "cache.img";
     93     } else if(!strcmp(item,"info")) {
     94         fn = "android-info.txt";
     95     } else {
     96         fprintf(stderr,"unknown partition '%s'\n", item);
     97         return 0;
     98     }
     99 
    100     if(product) {
    101         get_my_path(path);
    102         sprintf(path + strlen(path),
    103                 "../../../target/product/%s/%s", product, fn);
    104         return strdup(path);
    105     }
    106 
    107     dir = getenv("ANDROID_PRODUCT_OUT");
    108     if((dir == 0) || (dir[0] == 0)) {
    109         die("neither -p product specified nor ANDROID_PRODUCT_OUT set");
    110         return 0;
    111     }
    112 
    113     sprintf(path, "%s/%s", dir, fn);
    114     return strdup(path);
    115 }
    116 
    117 #ifdef _WIN32
    118 void *load_file(const char *fn, unsigned *_sz);
    119 #else
    120 void *load_file(const char *fn, unsigned *_sz)
    121 {
    122     char *data;
    123     int sz;
    124     int fd;
    125 
    126     data = 0;
    127     fd = open(fn, O_RDONLY);
    128     if(fd < 0) return 0;
    129 
    130     sz = lseek(fd, 0, SEEK_END);
    131     if(sz < 0) goto oops;
    132 
    133     if(lseek(fd, 0, SEEK_SET) != 0) goto oops;
    134 
    135     data = (char*) malloc(sz);
    136     if(data == 0) goto oops;
    137 
    138     if(read(fd, data, sz) != sz) goto oops;
    139     close(fd);
    140 
    141     if(_sz) *_sz = sz;
    142     return data;
    143 
    144 oops:
    145     close(fd);
    146     if(data != 0) free(data);
    147     return 0;
    148 }
    149 #endif
    150 
    151 int match_fastboot(usb_ifc_info *info)
    152 {
    153     if(!(vendor_id && (info->dev_vendor == vendor_id)) &&
    154        (info->dev_vendor != 0x18d1) &&  // Google
    155        (info->dev_vendor != 0x8087) &&  // Intel
    156        (info->dev_vendor != 0x0451) &&
    157        (info->dev_vendor != 0x0502) &&
    158        (info->dev_vendor != 0x0fce) &&  // Sony Ericsson
    159        (info->dev_vendor != 0x05c6) &&  // Qualcomm
    160        (info->dev_vendor != 0x22b8) &&  // Motorola
    161        (info->dev_vendor != 0x0955) &&  // Nvidia
    162        (info->dev_vendor != 0x413c) &&  // DELL
    163        (info->dev_vendor != 0x2314) &&  // INQ Mobile
    164        (info->dev_vendor != 0x0b05) &&  // Asus
    165        (info->dev_vendor != 0x0bb4))    // HTC
    166             return -1;
    167     if(info->ifc_class != 0xff) return -1;
    168     if(info->ifc_subclass != 0x42) return -1;
    169     if(info->ifc_protocol != 0x03) return -1;
    170     // require matching serial number if a serial number is specified
    171     // at the command line with the -s option.
    172     if (serial && strcmp(serial, info->serial_number) != 0) return -1;
    173     return 0;
    174 }
    175 
    176 int list_devices_callback(usb_ifc_info *info)
    177 {
    178     if (match_fastboot(info) == 0) {
    179         char* serial = info->serial_number;
    180         if (!info->writable) {
    181             serial = "no permissions"; // like "adb devices"
    182         }
    183         if (!serial[0]) {
    184             serial = "????????????";
    185         }
    186         // output compatible with "adb devices"
    187         printf("%s\tfastboot\n", serial);
    188     }
    189 
    190     return -1;
    191 }
    192 
    193 usb_handle *open_device(void)
    194 {
    195     static usb_handle *usb = 0;
    196     int announce = 1;
    197 
    198     if(usb) return usb;
    199 
    200     for(;;) {
    201         usb = usb_open(match_fastboot);
    202         if(usb) return usb;
    203         if(announce) {
    204             announce = 0;
    205             fprintf(stderr,"< waiting for device >\n");
    206         }
    207         sleep(1);
    208     }
    209 }
    210 
    211 void list_devices(void) {
    212     // We don't actually open a USB device here,
    213     // just getting our callback called so we can
    214     // list all the connected devices.
    215     usb_open(list_devices_callback);
    216 }
    217 
    218 void usage(void)
    219 {
    220     fprintf(stderr,
    221 /*           1234567890123456789012345678901234567890123456789012345678901234567890123456 */
    222             "usage: fastboot [ <option> ] <command>\n"
    223             "\n"
    224             "commands:\n"
    225             "  update <filename>                        reflash device from update.zip\n"
    226             "  flashall                                 flash boot + recovery + system\n"
    227             "  flash <partition> [ <filename> ]         write a file to a flash partition\n"
    228             "  erase <partition>                        erase a flash partition\n"
    229             "  format <partition>                       format a flash partition \n"
    230             "  getvar <variable>                        display a bootloader variable\n"
    231             "  boot <kernel> [ <ramdisk> ]              download and boot kernel\n"
    232             "  flash:raw boot <kernel> [ <ramdisk> ]    create bootimage and flash it\n"
    233             "  devices                                  list all connected devices\n"
    234             "  continue                                 continue with autoboot\n"
    235             "  reboot                                   reboot device normally\n"
    236             "  reboot-bootloader                        reboot device into bootloader\n"
    237             "  help                                     show this help message\n"
    238             "\n"
    239             "options:\n"
    240             "  -w                                       erase userdata and cache\n"
    241             "  -s <serial number>                       specify device serial number\n"
    242             "  -p <product>                             specify product name\n"
    243             "  -c <cmdline>                             override kernel commandline\n"
    244             "  -i <vendor id>                           specify a custom USB vendor id\n"
    245             "  -b <base_addr>                           specify a custom kernel base address\n"
    246             "  -n <page size>                           specify the nand page size. default: 2048\n"
    247         );
    248 }
    249 
    250 void *load_bootable_image(unsigned page_size, const char *kernel, const char *ramdisk,
    251                           unsigned *sz, const char *cmdline)
    252 {
    253     void *kdata = 0, *rdata = 0;
    254     unsigned ksize = 0, rsize = 0;
    255     void *bdata;
    256     unsigned bsize;
    257 
    258     if(kernel == 0) {
    259         fprintf(stderr, "no image specified\n");
    260         return 0;
    261     }
    262 
    263     kdata = load_file(kernel, &ksize);
    264     if(kdata == 0) {
    265         fprintf(stderr, "cannot load '%s'\n", kernel);
    266         return 0;
    267     }
    268 
    269         /* is this actually a boot image? */
    270     if(!memcmp(kdata, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
    271         if(cmdline) bootimg_set_cmdline((boot_img_hdr*) kdata, cmdline);
    272 
    273         if(ramdisk) {
    274             fprintf(stderr, "cannot boot a boot.img *and* ramdisk\n");
    275             return 0;
    276         }
    277 
    278         *sz = ksize;
    279         return kdata;
    280     }
    281 
    282     if(ramdisk) {
    283         rdata = load_file(ramdisk, &rsize);
    284         if(rdata == 0) {
    285             fprintf(stderr,"cannot load '%s'\n", ramdisk);
    286             return  0;
    287         }
    288     }
    289 
    290     fprintf(stderr,"creating boot image...\n");
    291     bdata = mkbootimg(kdata, ksize, rdata, rsize, 0, 0, page_size, base_addr, &bsize);
    292     if(bdata == 0) {
    293         fprintf(stderr,"failed to create boot.img\n");
    294         return 0;
    295     }
    296     if(cmdline) bootimg_set_cmdline((boot_img_hdr*) bdata, cmdline);
    297     fprintf(stderr,"creating boot image - %d bytes\n", bsize);
    298     *sz = bsize;
    299 
    300     return bdata;
    301 }
    302 
    303 void *unzip_file(zipfile_t zip, const char *name, unsigned *sz)
    304 {
    305     void *data;
    306     zipentry_t entry;
    307     unsigned datasz;
    308 
    309     entry = lookup_zipentry(zip, name);
    310     if (entry == NULL) {
    311         fprintf(stderr, "archive does not contain '%s'\n", name);
    312         return 0;
    313     }
    314 
    315     *sz = get_zipentry_size(entry);
    316 
    317     datasz = *sz * 1.001;
    318     data = malloc(datasz);
    319 
    320     if(data == 0) {
    321         fprintf(stderr, "failed to allocate %d bytes\n", *sz);
    322         return 0;
    323     }
    324 
    325     if (decompress_zipentry(entry, data, datasz)) {
    326         fprintf(stderr, "failed to unzip '%s' from archive\n", name);
    327         free(data);
    328         return 0;
    329     }
    330 
    331     return data;
    332 }
    333 
    334 static char *strip(char *s)
    335 {
    336     int n;
    337     while(*s && isspace(*s)) s++;
    338     n = strlen(s);
    339     while(n-- > 0) {
    340         if(!isspace(s[n])) break;
    341         s[n] = 0;
    342     }
    343     return s;
    344 }
    345 
    346 #define MAX_OPTIONS 32
    347 static int setup_requirement_line(char *name)
    348 {
    349     char *val[MAX_OPTIONS];
    350     const char **out;
    351     char *prod = NULL;
    352     unsigned n, count;
    353     char *x;
    354     int invert = 0;
    355 
    356     if (!strncmp(name, "reject ", 7)) {
    357         name += 7;
    358         invert = 1;
    359     } else if (!strncmp(name, "require ", 8)) {
    360         name += 8;
    361         invert = 0;
    362     } else if (!strncmp(name, "require-for-product:", 20)) {
    363         // Get the product and point name past it
    364         prod = name + 20;
    365         name = strchr(name, ' ');
    366         if (!name) return -1;
    367         *name = 0;
    368         name += 1;
    369         invert = 0;
    370     }
    371 
    372     x = strchr(name, '=');
    373     if (x == 0) return 0;
    374     *x = 0;
    375     val[0] = x + 1;
    376 
    377     for(count = 1; count < MAX_OPTIONS; count++) {
    378         x = strchr(val[count - 1],'|');
    379         if (x == 0) break;
    380         *x = 0;
    381         val[count] = x + 1;
    382     }
    383 
    384     name = strip(name);
    385     for(n = 0; n < count; n++) val[n] = strip(val[n]);
    386 
    387     name = strip(name);
    388     if (name == 0) return -1;
    389 
    390         /* work around an unfortunate name mismatch */
    391     if (!strcmp(name,"board")) name = "product";
    392 
    393     out = malloc(sizeof(char*) * count);
    394     if (out == 0) return -1;
    395 
    396     for(n = 0; n < count; n++) {
    397         out[n] = strdup(strip(val[n]));
    398         if (out[n] == 0) return -1;
    399     }
    400 
    401     fb_queue_require(prod, name, invert, n, out);
    402     return 0;
    403 }
    404 
    405 static void setup_requirements(char *data, unsigned sz)
    406 {
    407     char *s;
    408 
    409     s = data;
    410     while (sz-- > 0) {
    411         if(*s == '\n') {
    412             *s++ = 0;
    413             if (setup_requirement_line(data)) {
    414                 die("out of memory");
    415             }
    416             data = s;
    417         } else {
    418             s++;
    419         }
    420     }
    421 }
    422 
    423 void queue_info_dump(void)
    424 {
    425     fb_queue_notice("--------------------------------------------");
    426     fb_queue_display("version-bootloader", "Bootloader Version...");
    427     fb_queue_display("version-baseband",   "Baseband Version.....");
    428     fb_queue_display("serialno",           "Serial Number........");
    429     fb_queue_notice("--------------------------------------------");
    430 }
    431 
    432 void do_update_signature(zipfile_t zip, char *fn)
    433 {
    434     void *data;
    435     unsigned sz;
    436     data = unzip_file(zip, fn, &sz);
    437     if (data == 0) return;
    438     fb_queue_download("signature", data, sz);
    439     fb_queue_command("signature", "installing signature");
    440 }
    441 
    442 void do_update(char *fn)
    443 {
    444     void *zdata;
    445     unsigned zsize;
    446     void *data;
    447     unsigned sz;
    448     zipfile_t zip;
    449 
    450     queue_info_dump();
    451 
    452     fb_queue_query_save("product", cur_product, sizeof(cur_product));
    453 
    454     zdata = load_file(fn, &zsize);
    455     if (zdata == 0) die("failed to load '%s'", fn);
    456 
    457     zip = init_zipfile(zdata, zsize);
    458     if(zip == 0) die("failed to access zipdata in '%s'");
    459 
    460     data = unzip_file(zip, "android-info.txt", &sz);
    461     if (data == 0) {
    462         char *tmp;
    463             /* fallback for older zipfiles */
    464         data = unzip_file(zip, "android-product.txt", &sz);
    465         if ((data == 0) || (sz < 1)) {
    466             die("update package has no android-info.txt or android-product.txt");
    467         }
    468         tmp = malloc(sz + 128);
    469         if (tmp == 0) die("out of memory");
    470         sprintf(tmp,"board=%sversion-baseband=0.66.04.19\n",(char*)data);
    471         data = tmp;
    472         sz = strlen(tmp);
    473     }
    474 
    475     setup_requirements(data, sz);
    476 
    477     data = unzip_file(zip, "boot.img", &sz);
    478     if (data == 0) die("update package missing boot.img");
    479     do_update_signature(zip, "boot.sig");
    480     fb_queue_flash("boot", data, sz);
    481 
    482     data = unzip_file(zip, "recovery.img", &sz);
    483     if (data != 0) {
    484         do_update_signature(zip, "recovery.sig");
    485         fb_queue_flash("recovery", data, sz);
    486     }
    487 
    488     data = unzip_file(zip, "system.img", &sz);
    489     if (data == 0) die("update package missing system.img");
    490     do_update_signature(zip, "system.sig");
    491     fb_queue_flash("system", data, sz);
    492 }
    493 
    494 void do_send_signature(char *fn)
    495 {
    496     void *data;
    497     unsigned sz;
    498     char *xtn;
    499 
    500     xtn = strrchr(fn, '.');
    501     if (!xtn) return;
    502     if (strcmp(xtn, ".img")) return;
    503 
    504     strcpy(xtn,".sig");
    505     data = load_file(fn, &sz);
    506     strcpy(xtn,".img");
    507     if (data == 0) return;
    508     fb_queue_download("signature", data, sz);
    509     fb_queue_command("signature", "installing signature");
    510 }
    511 
    512 void do_flashall(void)
    513 {
    514     char *fname;
    515     void *data;
    516     unsigned sz;
    517 
    518     queue_info_dump();
    519 
    520     fb_queue_query_save("product", cur_product, sizeof(cur_product));
    521 
    522     fname = find_item("info", product);
    523     if (fname == 0) die("cannot find android-info.txt");
    524     data = load_file(fname, &sz);
    525     if (data == 0) die("could not load android-info.txt");
    526     setup_requirements(data, sz);
    527 
    528     fname = find_item("boot", product);
    529     data = load_file(fname, &sz);
    530     if (data == 0) die("could not load boot.img");
    531     do_send_signature(fname);
    532     fb_queue_flash("boot", data, sz);
    533 
    534     fname = find_item("recovery", product);
    535     data = load_file(fname, &sz);
    536     if (data != 0) {
    537         do_send_signature(fname);
    538         fb_queue_flash("recovery", data, sz);
    539     }
    540 
    541     fname = find_item("system", product);
    542     data = load_file(fname, &sz);
    543     if (data == 0) die("could not load system.img");
    544     do_send_signature(fname);
    545     fb_queue_flash("system", data, sz);
    546 }
    547 
    548 #define skip(n) do { argc -= (n); argv += (n); } while (0)
    549 #define require(n) do { if (argc < (n)) {usage(); exit(1);}} while (0)
    550 
    551 int do_oem_command(int argc, char **argv)
    552 {
    553     int i;
    554     char command[256];
    555     if (argc <= 1) return 0;
    556 
    557     command[0] = 0;
    558     while(1) {
    559         strcat(command,*argv);
    560         skip(1);
    561         if(argc == 0) break;
    562         strcat(command," ");
    563     }
    564 
    565     fb_queue_command(command,"");
    566     return 0;
    567 }
    568 
    569 int main(int argc, char **argv)
    570 {
    571     int wants_wipe = 0;
    572     int wants_reboot = 0;
    573     int wants_reboot_bootloader = 0;
    574     void *data;
    575     unsigned sz;
    576     unsigned page_size = 2048;
    577     int status;
    578 
    579     skip(1);
    580     if (argc == 0) {
    581         usage();
    582         return 1;
    583     }
    584 
    585     if (!strcmp(*argv, "devices")) {
    586         list_devices();
    587         return 0;
    588     }
    589 
    590     if (!strcmp(*argv, "help")) {
    591         usage();
    592         return 0;
    593     }
    594 
    595 
    596     serial = getenv("ANDROID_SERIAL");
    597 
    598     while (argc > 0) {
    599         if(!strcmp(*argv, "-w")) {
    600             wants_wipe = 1;
    601             skip(1);
    602         } else if(!strcmp(*argv, "-b")) {
    603             require(2);
    604             base_addr = strtoul(argv[1], 0, 16);
    605             skip(2);
    606         } else if(!strcmp(*argv, "-n")) {
    607             require(2);
    608             page_size = (unsigned)strtoul(argv[1], NULL, 0);
    609             if (!page_size) die("invalid page size");
    610             skip(2);
    611         } else if(!strcmp(*argv, "-s")) {
    612             require(2);
    613             serial = argv[1];
    614             skip(2);
    615         } else if(!strcmp(*argv, "-p")) {
    616             require(2);
    617             product = argv[1];
    618             skip(2);
    619         } else if(!strcmp(*argv, "-c")) {
    620             require(2);
    621             cmdline = argv[1];
    622             skip(2);
    623         } else if(!strcmp(*argv, "-i")) {
    624             char *endptr = NULL;
    625             unsigned long val;
    626 
    627             require(2);
    628             val = strtoul(argv[1], &endptr, 0);
    629             if (!endptr || *endptr != '\0' || (val & ~0xffff))
    630                 die("invalid vendor id '%s'", argv[1]);
    631             vendor_id = (unsigned short)val;
    632             skip(2);
    633         } else if(!strcmp(*argv, "getvar")) {
    634             require(2);
    635             fb_queue_display(argv[1], argv[1]);
    636             skip(2);
    637         } else if(!strcmp(*argv, "erase")) {
    638             require(2);
    639             fb_queue_erase(argv[1]);
    640             skip(2);
    641         } else if(!strcmp(*argv, "format")) {
    642             require(2);
    643             fb_queue_format(argv[1], 0);
    644             skip(2);
    645         } else if(!strcmp(*argv, "signature")) {
    646             require(2);
    647             data = load_file(argv[1], &sz);
    648             if (data == 0) die("could not load '%s'", argv[1]);
    649             if (sz != 256) die("signature must be 256 bytes");
    650             fb_queue_download("signature", data, sz);
    651             fb_queue_command("signature", "installing signature");
    652             skip(2);
    653         } else if(!strcmp(*argv, "reboot")) {
    654             wants_reboot = 1;
    655             skip(1);
    656         } else if(!strcmp(*argv, "reboot-bootloader")) {
    657             wants_reboot_bootloader = 1;
    658             skip(1);
    659         } else if (!strcmp(*argv, "continue")) {
    660             fb_queue_command("continue", "resuming boot");
    661             skip(1);
    662         } else if(!strcmp(*argv, "boot")) {
    663             char *kname = 0;
    664             char *rname = 0;
    665             skip(1);
    666             if (argc > 0) {
    667                 kname = argv[0];
    668                 skip(1);
    669             }
    670             if (argc > 0) {
    671                 rname = argv[0];
    672                 skip(1);
    673             }
    674             data = load_bootable_image(page_size, kname, rname, &sz, cmdline);
    675             if (data == 0) return 1;
    676             fb_queue_download("boot.img", data, sz);
    677             fb_queue_command("boot", "booting");
    678         } else if(!strcmp(*argv, "flash")) {
    679             char *pname = argv[1];
    680             char *fname = 0;
    681             require(2);
    682             if (argc > 2) {
    683                 fname = argv[2];
    684                 skip(3);
    685             } else {
    686                 fname = find_item(pname, product);
    687                 skip(2);
    688             }
    689             if (fname == 0) die("cannot determine image filename for '%s'", pname);
    690             data = load_file(fname, &sz);
    691             if (data == 0) die("cannot load '%s'\n", fname);
    692             fb_queue_flash(pname, data, sz);
    693         } else if(!strcmp(*argv, "flash:raw")) {
    694             char *pname = argv[1];
    695             char *kname = argv[2];
    696             char *rname = 0;
    697             require(3);
    698             if(argc > 3) {
    699                 rname = argv[3];
    700                 skip(4);
    701             } else {
    702                 skip(3);
    703             }
    704             data = load_bootable_image(page_size, kname, rname, &sz, cmdline);
    705             if (data == 0) die("cannot load bootable image");
    706             fb_queue_flash(pname, data, sz);
    707         } else if(!strcmp(*argv, "flashall")) {
    708             skip(1);
    709             do_flashall();
    710             wants_reboot = 1;
    711         } else if(!strcmp(*argv, "update")) {
    712             if (argc > 1) {
    713                 do_update(argv[1]);
    714                 skip(2);
    715             } else {
    716                 do_update("update.zip");
    717                 skip(1);
    718             }
    719             wants_reboot = 1;
    720         } else if(!strcmp(*argv, "oem")) {
    721             argc = do_oem_command(argc, argv);
    722         } else {
    723             usage();
    724             return 1;
    725         }
    726     }
    727 
    728     if (wants_wipe) {
    729         fb_queue_erase("userdata");
    730         fb_queue_format("userdata", 1);
    731         fb_queue_erase("cache");
    732         fb_queue_format("cache", 1);
    733     }
    734     if (wants_reboot) {
    735         fb_queue_reboot();
    736     } else if (wants_reboot_bootloader) {
    737         fb_queue_command("reboot-bootloader", "rebooting into bootloader");
    738     }
    739 
    740     usb = open_device();
    741 
    742     status = fb_execute_queue(usb);
    743     return (status) ? 1 : 0;
    744 }
    745