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platform_system_core/fastboot/fastboot.c
Ken Sumrall 5ee5d389d6 Update fastboot to wipe ext4 partitions before flashing 
To prevent false error reports from e2fsck, update fastboot to erase
a partition identified as being ext4 partition before flashing an image
to it.

bug: 7259359

Change-Id: I85e9963aa8247b4b33fdd57f994cdb3ee72b670f
2012-10-02 19:10:51 -07:00

1019 lines
28 KiB
C
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/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#define _LARGEFILE64_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <limits.h>
#include <ctype.h>
#include <getopt.h>
#include <sys/time.h>
#include <sys/types.h>
#include <bootimg.h>
#include <sparse/sparse.h>
#include <zipfile/zipfile.h>
#include "fastboot.h"
#ifndef O_BINARY
#define O_BINARY 0
#endif
char cur_product[FB_RESPONSE_SZ + 1];
void bootimg_set_cmdline(boot_img_hdr *h, const char *cmdline);
boot_img_hdr *mkbootimg(void *kernel, unsigned kernel_size,
void *ramdisk, unsigned ramdisk_size,
void *second, unsigned second_size,
unsigned page_size, unsigned base,
unsigned *bootimg_size);
static usb_handle *usb = 0;
static const char *serial = 0;
static const char *product = 0;
static const char *cmdline = 0;
static int wipe_data = 0;
static unsigned short vendor_id = 0;
static int long_listing = 0;
static int64_t sparse_limit = -1;
static int64_t target_sparse_limit = -1;
static unsigned base_addr = 0x10000000;
void die(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
fprintf(stderr,"error: ");
vfprintf(stderr, fmt, ap);
fprintf(stderr,"\n");
va_end(ap);
exit(1);
}
void get_my_path(char *path);
char *find_item(const char *item, const char *product)
{
char *dir;
char *fn;
char path[PATH_MAX + 128];
if(!strcmp(item,"boot")) {
fn = "boot.img";
} else if(!strcmp(item,"recovery")) {
fn = "recovery.img";
} else if(!strcmp(item,"system")) {
fn = "system.img";
} else if(!strcmp(item,"userdata")) {
fn = "userdata.img";
} else if(!strcmp(item,"cache")) {
fn = "cache.img";
} else if(!strcmp(item,"info")) {
fn = "android-info.txt";
} else {
fprintf(stderr,"unknown partition '%s'\n", item);
return 0;
}
if(product) {
get_my_path(path);
sprintf(path + strlen(path),
"../../../target/product/%s/%s", product, fn);
return strdup(path);
}
dir = getenv("ANDROID_PRODUCT_OUT");
if((dir == 0) || (dir[0] == 0)) {
die("neither -p product specified nor ANDROID_PRODUCT_OUT set");
return 0;
}
sprintf(path, "%s/%s", dir, fn);
return strdup(path);
}
#ifdef _WIN32
void *load_file(const char *fn, unsigned *_sz);
int64_t file_size(const char *fn);
#else
#if defined(__APPLE__) && defined(__MACH__)
#define lseek64 lseek
#define off64_t off_t
#endif
int64_t file_size(const char *fn)
{
off64_t off;
int fd;
fd = open(fn, O_RDONLY);
if (fd < 0) return -1;
off = lseek64(fd, 0, SEEK_END);
close(fd);
return off;
}
void *load_file(const char *fn, unsigned *_sz)
{
char *data;
int sz;
int fd;
int errno_tmp;
data = 0;
fd = open(fn, O_RDONLY);
if(fd < 0) return 0;
sz = lseek(fd, 0, SEEK_END);
if(sz < 0) goto oops;
if(lseek(fd, 0, SEEK_SET) != 0) goto oops;
data = (char*) malloc(sz);
if(data == 0) goto oops;
if(read(fd, data, sz) != sz) goto oops;
close(fd);
if(_sz) *_sz = sz;
return data;
oops:
errno_tmp = errno;
close(fd);
if(data != 0) free(data);
errno = errno_tmp;
return 0;
}
#endif
int match_fastboot(usb_ifc_info *info)
{
return match_fastboot_with_serial(info, serial);
}
int match_fastboot_with_serial(usb_ifc_info *info, const char *local_serial)
{
if(!(vendor_id && (info->dev_vendor == vendor_id)) &&
(info->dev_vendor != 0x18d1) && // Google
(info->dev_vendor != 0x8087) && // Intel
(info->dev_vendor != 0x0451) &&
(info->dev_vendor != 0x0502) &&
(info->dev_vendor != 0x0fce) && // Sony Ericsson
(info->dev_vendor != 0x05c6) && // Qualcomm
(info->dev_vendor != 0x22b8) && // Motorola
(info->dev_vendor != 0x0955) && // Nvidia
(info->dev_vendor != 0x413c) && // DELL
(info->dev_vendor != 0x2314) && // INQ Mobile
(info->dev_vendor != 0x0b05) && // Asus
(info->dev_vendor != 0x0bb4)) // HTC
return -1;
if(info->ifc_class != 0xff) return -1;
if(info->ifc_subclass != 0x42) return -1;
if(info->ifc_protocol != 0x03) return -1;
// require matching serial number or device path if requested
// at the command line with the -s option.
if (local_serial && (strcmp(local_serial, info->serial_number) != 0 &&
strcmp(local_serial, info->device_path) != 0)) return -1;
return 0;
}
int list_devices_callback(usb_ifc_info *info)
{
if (match_fastboot_with_serial(info, NULL) == 0) {
char* serial = info->serial_number;
if (!info->writable) {
serial = "no permissions"; // like "adb devices"
}
if (!serial[0]) {
serial = "????????????";
}
// output compatible with "adb devices"
if (!long_listing) {
printf("%s\tfastboot\n", serial);
} else if (!info->device_path) {
printf("%-22s fastboot\n", serial);
} else {
printf("%-22s fastboot %s\n", serial, info->device_path);
}
}
return -1;
}
usb_handle *open_device(void)
{
static usb_handle *usb = 0;
int announce = 1;
if(usb) return usb;
for(;;) {
usb = usb_open(match_fastboot);
if(usb) return usb;
if(announce) {
announce = 0;
fprintf(stderr,"< waiting for device >\n");
}
sleep(1);
}
}
void list_devices(void) {
// We don't actually open a USB device here,
// just getting our callback called so we can
// list all the connected devices.
usb_open(list_devices_callback);
}
void usage(void)
{
fprintf(stderr,
/* 1234567890123456789012345678901234567890123456789012345678901234567890123456 */
"usage: fastboot [ <option> ] <command>\n"
"\n"
"commands:\n"
" update <filename> reflash device from update.zip\n"
" flashall flash boot + recovery + system\n"
" flash <partition> [ <filename> ] write a file to a flash partition\n"
" erase <partition> erase a flash partition\n"
" format <partition> format a flash partition \n"
" getvar <variable> display a bootloader variable\n"
" boot <kernel> [ <ramdisk> ] download and boot kernel\n"
" flash:raw boot <kernel> [ <ramdisk> ] create bootimage and flash it\n"
" devices list all connected devices\n"
" continue continue with autoboot\n"
" reboot reboot device normally\n"
" reboot-bootloader reboot device into bootloader\n"
" help show this help message\n"
"\n"
"options:\n"
" -w erase userdata and cache (and format\n"
" if supported by partition type)\n"
" -u do not first erase partition before\n"
" formatting\n"
" -s <specific device> specify device serial number\n"
" or path to device port\n"
" -l with \"devices\", lists device paths\n"
" -p <product> specify product name\n"
" -c <cmdline> override kernel commandline\n"
" -i <vendor id> specify a custom USB vendor id\n"
" -b <base_addr> specify a custom kernel base address\n"
" -n <page size> specify the nand page size. default: 2048\n"
" -S <size>[K|M|G] automatically sparse files greater than\n"
" size. 0 to disable\n"
);
}
void *load_bootable_image(unsigned page_size, const char *kernel, const char *ramdisk,
unsigned *sz, const char *cmdline)
{
void *kdata = 0, *rdata = 0;
unsigned ksize = 0, rsize = 0;
void *bdata;
unsigned bsize;
if(kernel == 0) {
fprintf(stderr, "no image specified\n");
return 0;
}
kdata = load_file(kernel, &ksize);
if(kdata == 0) {
fprintf(stderr, "cannot load '%s': %s\n", kernel, strerror(errno));
return 0;
}
/* is this actually a boot image? */
if(!memcmp(kdata, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
if(cmdline) bootimg_set_cmdline((boot_img_hdr*) kdata, cmdline);
if(ramdisk) {
fprintf(stderr, "cannot boot a boot.img *and* ramdisk\n");
return 0;
}
*sz = ksize;
return kdata;
}
if(ramdisk) {
rdata = load_file(ramdisk, &rsize);
if(rdata == 0) {
fprintf(stderr,"cannot load '%s': %s\n", ramdisk, strerror(errno));
return 0;
}
}
fprintf(stderr,"creating boot image...\n");
bdata = mkbootimg(kdata, ksize, rdata, rsize, 0, 0, page_size, base_addr, &bsize);
if(bdata == 0) {
fprintf(stderr,"failed to create boot.img\n");
return 0;
}
if(cmdline) bootimg_set_cmdline((boot_img_hdr*) bdata, cmdline);
fprintf(stderr,"creating boot image - %d bytes\n", bsize);
*sz = bsize;
return bdata;
}
void *unzip_file(zipfile_t zip, const char *name, unsigned *sz)
{
void *data;
zipentry_t entry;
unsigned datasz;
entry = lookup_zipentry(zip, name);
if (entry == NULL) {
fprintf(stderr, "archive does not contain '%s'\n", name);
return 0;
}
*sz = get_zipentry_size(entry);
datasz = *sz * 1.001;
data = malloc(datasz);
if(data == 0) {
fprintf(stderr, "failed to allocate %d bytes\n", *sz);
return 0;
}
if (decompress_zipentry(entry, data, datasz)) {
fprintf(stderr, "failed to unzip '%s' from archive\n", name);
free(data);
return 0;
}
return data;
}
static char *strip(char *s)
{
int n;
while(*s && isspace(*s)) s++;
n = strlen(s);
while(n-- > 0) {
if(!isspace(s[n])) break;
s[n] = 0;
}
return s;
}
#define MAX_OPTIONS 32
static int setup_requirement_line(char *name)
{
char *val[MAX_OPTIONS];
const char **out;
char *prod = NULL;
unsigned n, count;
char *x;
int invert = 0;
if (!strncmp(name, "reject ", 7)) {
name += 7;
invert = 1;
} else if (!strncmp(name, "require ", 8)) {
name += 8;
invert = 0;
} else if (!strncmp(name, "require-for-product:", 20)) {
// Get the product and point name past it
prod = name + 20;
name = strchr(name, ' ');
if (!name) return -1;
*name = 0;
name += 1;
invert = 0;
}
x = strchr(name, '=');
if (x == 0) return 0;
*x = 0;
val[0] = x + 1;
for(count = 1; count < MAX_OPTIONS; count++) {
x = strchr(val[count - 1],'|');
if (x == 0) break;
*x = 0;
val[count] = x + 1;
}
name = strip(name);
for(n = 0; n < count; n++) val[n] = strip(val[n]);
name = strip(name);
if (name == 0) return -1;
/* work around an unfortunate name mismatch */
if (!strcmp(name,"board")) name = "product";
out = malloc(sizeof(char*) * count);
if (out == 0) return -1;
for(n = 0; n < count; n++) {
out[n] = strdup(strip(val[n]));
if (out[n] == 0) return -1;
}
fb_queue_require(prod, name, invert, n, out);
return 0;
}
static void setup_requirements(char *data, unsigned sz)
{
char *s;
s = data;
while (sz-- > 0) {
if(*s == '\n') {
*s++ = 0;
if (setup_requirement_line(data)) {
die("out of memory");
}
data = s;
} else {
s++;
}
}
}
void queue_info_dump(void)
{
fb_queue_notice("--------------------------------------------");
fb_queue_display("version-bootloader", "Bootloader Version...");
fb_queue_display("version-baseband", "Baseband Version.....");
fb_queue_display("serialno", "Serial Number........");
fb_queue_notice("--------------------------------------------");
}
struct sparse_file **load_sparse_files(const char *fname, int max_size)
{
int fd;
struct sparse_file *s;
int files;
struct sparse_file **out_s;
fd = open(fname, O_RDONLY | O_BINARY);
if (fd < 0) {
die("cannot open '%s'\n", fname);
}
s = sparse_file_import_auto(fd, false);
if (!s) {
die("cannot sparse read file '%s'\n", fname);
}
files = sparse_file_resparse(s, max_size, NULL, 0);
if (files < 0) {
die("Failed to resparse '%s'\n", fname);
}
out_s = calloc(sizeof(struct sparse_file *), files + 1);
if (!out_s) {
die("Failed to allocate sparse file array\n");
}
files = sparse_file_resparse(s, max_size, out_s, files);
if (files < 0) {
die("Failed to resparse '%s'\n", fname);
}
return out_s;
}
static int64_t get_target_sparse_limit(struct usb_handle *usb)
{
int64_t limit = 0;
char response[FB_RESPONSE_SZ + 1];
int status = fb_getvar(usb, response, "max-download-size");
if (!status) {
limit = strtoul(response, NULL, 0);
if (limit > 0) {
fprintf(stderr, "target reported max download size of %lld bytes\n",
limit);
}
}
return limit;
}
static int64_t get_sparse_limit(struct usb_handle *usb, int64_t size)
{
int64_t limit;
if (sparse_limit == 0) {
return 0;
} else if (sparse_limit > 0) {
limit = sparse_limit;
} else {
if (target_sparse_limit == -1) {
target_sparse_limit = get_target_sparse_limit(usb);
}
if (target_sparse_limit > 0) {
limit = target_sparse_limit;
} else {
return 0;
}
}
if (size > limit) {
return limit;
}
return 0;
}
/* Until we get lazy inode table init working in make_ext4fs, we need to
* erase partitions of type ext4 before flashing a filesystem so no stale
* inodes are left lying around. Otherwise, e2fsck gets very upset.
*/
static int needs_erase(const char *part)
{
/* The function fb_format_supported() currently returns the value
* we want, so just call it.
*/
return fb_format_supported(usb, part);
}
void do_flash(usb_handle *usb, const char *pname, const char *fname)
{
int64_t sz64;
void *data;
int64_t limit;
sz64 = file_size(fname);
limit = get_sparse_limit(usb, sz64);
if (limit) {
struct sparse_file **s = load_sparse_files(fname, limit);
if (s == NULL) {
die("cannot sparse load '%s'\n", fname);
}
while (*s) {
sz64 = sparse_file_len(*s, true, false);
fb_queue_flash_sparse(pname, *s++, sz64);
}
} else {
unsigned int sz;
data = load_file(fname, &sz);
if (data == 0) die("cannot load '%s': %s\n", fname, strerror(errno));
fb_queue_flash(pname, data, sz);
}
}
void do_update_signature(zipfile_t zip, char *fn)
{
void *data;
unsigned sz;
data = unzip_file(zip, fn, &sz);
if (data == 0) return;
fb_queue_download("signature", data, sz);
fb_queue_command("signature", "installing signature");
}
void do_update(char *fn, int erase_first)
{
void *zdata;
unsigned zsize;
void *data;
unsigned sz;
zipfile_t zip;
queue_info_dump();
fb_queue_query_save("product", cur_product, sizeof(cur_product));
zdata = load_file(fn, &zsize);
if (zdata == 0) die("failed to load '%s': %s", fn, strerror(errno));
zip = init_zipfile(zdata, zsize);
if(zip == 0) die("failed to access zipdata in '%s'");
data = unzip_file(zip, "android-info.txt", &sz);
if (data == 0) {
char *tmp;
/* fallback for older zipfiles */
data = unzip_file(zip, "android-product.txt", &sz);
if ((data == 0) || (sz < 1)) {
die("update package has no android-info.txt or android-product.txt");
}
tmp = malloc(sz + 128);
if (tmp == 0) die("out of memory");
sprintf(tmp,"board=%sversion-baseband=0.66.04.19\n",(char*)data);
data = tmp;
sz = strlen(tmp);
}
setup_requirements(data, sz);
data = unzip_file(zip, "boot.img", &sz);
if (data == 0) die("update package missing boot.img");
do_update_signature(zip, "boot.sig");
if (erase_first && needs_erase("boot")) {
fb_queue_erase("boot");
}
fb_queue_flash("boot", data, sz);
data = unzip_file(zip, "recovery.img", &sz);
if (data != 0) {
do_update_signature(zip, "recovery.sig");
if (erase_first && needs_erase("recovery")) {
fb_queue_erase("recovery");
}
fb_queue_flash("recovery", data, sz);
}
data = unzip_file(zip, "system.img", &sz);
if (data == 0) die("update package missing system.img");
do_update_signature(zip, "system.sig");
if (erase_first && needs_erase("system")) {
fb_queue_erase("system");
}
fb_queue_flash("system", data, sz);
}
void do_send_signature(char *fn)
{
void *data;
unsigned sz;
char *xtn;
xtn = strrchr(fn, '.');
if (!xtn) return;
if (strcmp(xtn, ".img")) return;
strcpy(xtn,".sig");
data = load_file(fn, &sz);
strcpy(xtn,".img");
if (data == 0) return;
fb_queue_download("signature", data, sz);
fb_queue_command("signature", "installing signature");
}
void do_flashall(int erase_first)
{
char *fname;
void *data;
unsigned sz;
queue_info_dump();
fb_queue_query_save("product", cur_product, sizeof(cur_product));
fname = find_item("info", product);
if (fname == 0) die("cannot find android-info.txt");
data = load_file(fname, &sz);
if (data == 0) die("could not load android-info.txt: %s", strerror(errno));
setup_requirements(data, sz);
fname = find_item("boot", product);
data = load_file(fname, &sz);
if (data == 0) die("could not load boot.img: %s", strerror(errno));
do_send_signature(fname);
if (erase_first && needs_erase("boot")) {
fb_queue_erase("boot");
}
fb_queue_flash("boot", data, sz);
fname = find_item("recovery", product);
data = load_file(fname, &sz);
if (data != 0) {
do_send_signature(fname);
if (erase_first && needs_erase("recovery")) {
fb_queue_erase("recovery");
}
fb_queue_flash("recovery", data, sz);
}
fname = find_item("system", product);
data = load_file(fname, &sz);
if (data == 0) die("could not load system.img: %s", strerror(errno));
do_send_signature(fname);
if (erase_first && needs_erase("system")) {
fb_queue_erase("system");
}
fb_queue_flash("system", data, sz);
}
#define skip(n) do { argc -= (n); argv += (n); } while (0)
#define require(n) do { if (argc < (n)) {usage(); exit(1);}} while (0)
int do_oem_command(int argc, char **argv)
{
int i;
char command[256];
if (argc <= 1) return 0;
command[0] = 0;
while(1) {
strcat(command,*argv);
skip(1);
if(argc == 0) break;
strcat(command," ");
}
fb_queue_command(command,"");
return 0;
}
static int64_t parse_num(const char *arg)
{
char *endptr;
unsigned long long num;
num = strtoull(arg, &endptr, 0);
if (endptr == arg) {
return -1;
}
if (*endptr == 'k' || *endptr == 'K') {
if (num >= (-1ULL) / 1024) {
return -1;
}
num *= 1024LL;
endptr++;
} else if (*endptr == 'm' || *endptr == 'M') {
if (num >= (-1ULL) / (1024 * 1024)) {
return -1;
}
num *= 1024LL * 1024LL;
endptr++;
} else if (*endptr == 'g' || *endptr == 'G') {
if (num >= (-1ULL) / (1024 * 1024 * 1024)) {
return -1;
}
num *= 1024LL * 1024LL * 1024LL;
endptr++;
}
if (*endptr != '\0') {
return -1;
}
if (num > INT64_MAX) {
return -1;
}
return num;
}
int main(int argc, char **argv)
{
int wants_wipe = 0;
int wants_reboot = 0;
int wants_reboot_bootloader = 0;
int erase_first = 1;
void *data;
unsigned sz;
unsigned page_size = 2048;
int status;
int c;
int r;
const struct option longopts = { 0, 0, 0, 0 };
serial = getenv("ANDROID_SERIAL");
while (1) {
c = getopt_long(argc, argv, "wub:n:s:S:lp:c:i:m:h", &longopts, NULL);
if (c < 0) {
break;
}
switch (c) {
case 'w':
wants_wipe = 1;
break;
case 'u':
erase_first = 0;
break;
case 'b':
base_addr = strtoul(optarg, 0, 16);
break;
case 'n':
page_size = (unsigned)strtoul(optarg, NULL, 0);
if (!page_size) die("invalid page size");
break;
case 's':
serial = optarg;
break;
case 'S':
sparse_limit = parse_num(optarg);
if (sparse_limit < 0) {
die("invalid sparse limit");
}
break;
case 'l':
long_listing = 1;
break;
case 'p':
product = optarg;
break;
case 'c':
cmdline = optarg;
break;
case 'i': {
char *endptr = NULL;
unsigned long val;
val = strtoul(optarg, &endptr, 0);
if (!endptr || *endptr != '\0' || (val & ~0xffff))
die("invalid vendor id '%s'", optarg);
vendor_id = (unsigned short)val;
break;
}
case 'h':
usage();
return 1;
case '?':
return 1;
default:
abort();
}
}
argc -= optind;
argv += optind;
if (argc == 0 && !wants_wipe) {
usage();
return 1;
}
if (argc > 0 && !strcmp(*argv, "devices")) {
skip(1);
list_devices();
return 0;
}
if (argc > 0 && !strcmp(*argv, "help")) {
usage();
return 0;
}
usb = open_device();
while (argc > 0) {
if(!strcmp(*argv, "getvar")) {
require(2);
fb_queue_display(argv[1], argv[1]);
skip(2);
} else if(!strcmp(*argv, "erase")) {
require(2);
if (fb_format_supported(usb, argv[1])) {
fprintf(stderr, "******** Did you mean to fastboot format this partition?\n");
}
fb_queue_erase(argv[1]);
skip(2);
} else if(!strcmp(*argv, "format")) {
require(2);
if (erase_first && needs_erase(argv[1])) {
fb_queue_erase(argv[1]);
}
fb_queue_format(argv[1], 0);
skip(2);
} else if(!strcmp(*argv, "signature")) {
require(2);
data = load_file(argv[1], &sz);
if (data == 0) die("could not load '%s': %s", argv[1], strerror(errno));
if (sz != 256) die("signature must be 256 bytes");
fb_queue_download("signature", data, sz);
fb_queue_command("signature", "installing signature");
skip(2);
} else if(!strcmp(*argv, "reboot")) {
wants_reboot = 1;
skip(1);
} else if(!strcmp(*argv, "reboot-bootloader")) {
wants_reboot_bootloader = 1;
skip(1);
} else if (!strcmp(*argv, "continue")) {
fb_queue_command("continue", "resuming boot");
skip(1);
} else if(!strcmp(*argv, "boot")) {
char *kname = 0;
char *rname = 0;
skip(1);
if (argc > 0) {
kname = argv[0];
skip(1);
}
if (argc > 0) {
rname = argv[0];
skip(1);
}
data = load_bootable_image(page_size, kname, rname, &sz, cmdline);
if (data == 0) return 1;
fb_queue_download("boot.img", data, sz);
fb_queue_command("boot", "booting");
} else if(!strcmp(*argv, "flash")) {
char *pname = argv[1];
char *fname = 0;
require(2);
if (argc > 2) {
fname = argv[2];
skip(3);
} else {
fname = find_item(pname, product);
skip(2);
}
if (fname == 0) die("cannot determine image filename for '%s'", pname);
if (erase_first && needs_erase(pname)) {
fb_queue_erase(pname);
}
do_flash(usb, pname, fname);
} else if(!strcmp(*argv, "flash:raw")) {
char *pname = argv[1];
char *kname = argv[2];
char *rname = 0;
require(3);
if(argc > 3) {
rname = argv[3];
skip(4);
} else {
skip(3);
}
data = load_bootable_image(page_size, kname, rname, &sz, cmdline);
if (data == 0) die("cannot load bootable image");
fb_queue_flash(pname, data, sz);
} else if(!strcmp(*argv, "flashall")) {
skip(1);
do_flashall(erase_first);
wants_reboot = 1;
} else if(!strcmp(*argv, "update")) {
if (argc > 1) {
do_update(argv[1], erase_first);
skip(2);
} else {
do_update("update.zip", erase_first);
skip(1);
}
wants_reboot = 1;
} else if(!strcmp(*argv, "oem")) {
argc = do_oem_command(argc, argv);
} else {
usage();
return 1;
}
}
if (wants_wipe) {
fb_queue_erase("userdata");
fb_queue_format("userdata", 1);
fb_queue_erase("cache");
fb_queue_format("cache", 1);
}
if (wants_reboot) {
fb_queue_reboot();
} else if (wants_reboot_bootloader) {
fb_queue_command("reboot-bootloader", "rebooting into bootloader");
}
if (fb_queue_is_empty())
return 0;
status = fb_execute_queue(usb);
return (status) ? 1 : 0;
}
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