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Merge "Add Fastboot support for flashing secondary images" into nyc-mr1-dev

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TreeHugger Robot 2016-06-29 03:06:26 +00:00 • committed by Android (Google) Code Review
commit df9d1770d1
1 changed files with 139 additions and 63 deletions
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202
fastboot/fastboot.cpp
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@ -49,6 +49,7 @@
#include <android-base/parseint.h>
#include <android-base/parsenetaddress.h>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
#include <sparse/sparse.h>
#include <ziparchive/zip_archive.h>
@ -99,22 +100,41 @@ struct fastboot_buffer {
};
static struct {
char img_name[13];
char sig_name[13];
char img_name[17];
char sig_name[17];
char part_name[9];
bool is_optional;
bool is_secondary;
} images[] = {
{"boot.img", "boot.sig", "boot", false},
{"recovery.img", "recovery.sig", "recovery", true},
{"system.img", "system.sig", "system", false},
{"vendor.img", "vendor.sig", "vendor", true},
{"boot.img", "boot.sig", "boot", false, false},
{"boot_other.img", "boot.sig", "boot", true, true},
{"recovery.img", "recovery.sig", "recovery", true, false},
{"system.img", "system.sig", "system", false, false},
{"system_other.img", "system.sig", "system", true, true},
{"vendor.img", "vendor.sig", "vendor", true, false},
{"vendor_other.img", "vendor.sig", "vendor", true, true},
};
static char* find_item(const char* item, const char* product) {
static std::string find_item_given_name(const char* img_name, const char* product) {
char *dir;
const char *fn;
char path[PATH_MAX + 128];
if(product) {
get_my_path(path);
return android::base::StringPrintf("../../../target/product/%s/%s", product, img_name);
}
dir = getenv("ANDROID_PRODUCT_OUT");
if((dir == 0) || (dir[0] == 0)) {
die("neither -p product specified nor ANDROID_PRODUCT_OUT set");
}
return android::base::StringPrintf("%s/%s", dir, img_name);
}
std::string find_item(const char* item, const char* product) {
const char *fn;
if(!strcmp(item,"boot")) {
fn = "boot.img";
} else if(!strcmp(item,"recovery")) {
@ -131,24 +151,10 @@ static char* find_item(const char* item, const char* product) {
fn = "android-info.txt";
} else {
fprintf(stderr,"unknown partition '%s'\n", item);
return 0;
return "";
}
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);
return find_item_given_name(fn, product);
}
static int64_t get_file_size(int fd) {
@ -319,6 +325,11 @@ static void usage() {
" if found -- recovery. If the device\n"
" supports slots, the slot that has\n"
" been flashed to is set as active.\n"
" Secondary images may be flashed to\n"
" an inactive slot.\n"
" flash-primary Same as flashall, but do not flash\n"
" secondary images.\n"
" flash-secondary Only flashes the secondary images.\n"
" flash <partition> [ <filename> ] Write a file to a flash partition.\n"
" flashing lock Locks the device. Prevents flashing.\n"
" flashing unlock Unlocks the device. Allows flashing\n"
@ -867,8 +878,12 @@ static std::vector<std::string> get_suffixes(Transport* transport) {
return suffixes;
}
static bool supports_AB(Transport* transport) {
return !get_suffixes(transport).empty();
}
// Given a current slot, this returns what the 'other' slot is.
static std::string get_other_slot(Transport* transport, std::string& current_slot) {
static std::string get_other_slot(Transport* transport, const std::string& current_slot) {
std::vector<std::string> suffixes = get_suffixes(transport);
if (!suffixes.empty()) {
@ -881,6 +896,12 @@ static std::string get_other_slot(Transport* transport, std::string& current_slo
return "";
}
static std::string get_other_slot(Transport* transport) {
std::string current_slot;
fb_getvar(transport, "current-slot", &current_slot);
return get_other_slot(transport, current_slot);
}
static std::string verify_slot(Transport* transport, const char *slot, bool allow_all) {
if (strcmp(slot, "all") == 0) {
if (allow_all) {
@ -1003,9 +1024,9 @@ static void do_update_signature(ZipArchiveHandle zip, char* fn) {
// Sets slot_override as the active slot. If slot_override is blank,
// set current slot as active instead. This clears slot-unbootable.
static void set_active(Transport* transport, const char* slot_override) {
if (slot_override && slot_override[0]) {
fb_set_active(slot_override);
static void set_active(Transport* transport, const std::string& slot_override) {
if (slot_override != "") {
fb_set_active(slot_override.c_str());
} else {
std::string current_slot;
if (fb_getvar(transport, "current-slot", &current_slot)) {
@ -1015,7 +1036,7 @@ static void set_active(Transport* transport, const char* slot_override) {
}
}
static void do_update(Transport* transport, const char* filename, const char* slot_override, bool erase_first) {
static void do_update(Transport* transport, const char* filename, const std::string& slot_override, bool erase_first) {
queue_info_dump();
fb_queue_query_save("product", cur_product, sizeof(cur_product));
@ -1036,7 +1057,31 @@ static void do_update(Transport* transport, const char* filename, const char* sl
setup_requirements(reinterpret_cast<char*>(data), sz);
std::string secondary;
bool update_secondary = slot_override != "all";
if (update_secondary) {
if (slot_override != "") {
secondary = get_other_slot(transport, slot_override);
} else {
secondary = get_other_slot(transport);
}
if (secondary == "") {
if (supports_AB(transport)) {
fprintf(stderr, "Warning: Could not determine slot for secondary images. Ignoring.\n");
}
update_secondary = false;
}
}
for (size_t i = 0; i < ARRAY_SIZE(images); ++i) {
const char* slot = slot_override.c_str();
if (images[i].is_secondary) {
if (update_secondary) {
slot = secondary.c_str();
} else {
continue;
}
}
int fd = unzip_to_file(zip, images[i].img_name);
if (fd == -1) {
if (images[i].is_optional) {
@ -1060,49 +1105,69 @@ static void do_update(Transport* transport, const char* filename, const char* sl
* program exits.
*/
};
do_for_partitions(transport, images[i].part_name, slot_override, update, false);
do_for_partitions(transport, images[i].part_name, slot, update, false);
}
CloseArchive(zip);
set_active(transport, slot_override);
}
static void do_send_signature(char* fn) {
char* xtn = strrchr(fn, '.');
if (!xtn) return;
static void do_send_signature(const std::string& fn) {
std::size_t extension_loc = fn.find(".img");
if (extension_loc == std::string::npos) return;
if (strcmp(xtn, ".img")) return;
strcpy(xtn, ".sig");
std::string fs_sig = fn.substr(0, extension_loc) + ".sig";
int64_t sz;
void* data = load_file(fn, &sz);
strcpy(xtn, ".img");
void* data = load_file(fs_sig.c_str(), &sz);
if (data == nullptr) return;
fb_queue_download("signature", data, sz);
fb_queue_command("signature", "installing signature");
}
static void do_flashall(Transport* transport, const char* slot_override, int erase_first) {
queue_info_dump();
static void do_flashall(Transport* transport, const std::string& slot_override, int erase_first, bool flash_primary, bool flash_secondary) {
std::string fname;
if (flash_primary) {
queue_info_dump();
fb_queue_query_save("product", cur_product, sizeof(cur_product));
fb_queue_query_save("product", cur_product, sizeof(cur_product));
char* fname = find_item("info", product);
if (fname == nullptr) die("cannot find android-info.txt");
fname = find_item("info", product);
if (fname == "") die("cannot find android-info.txt");
int64_t sz;
void* data = load_file(fname, &sz);
if (data == nullptr) die("could not load android-info.txt: %s", strerror(errno));
int64_t sz;
void* data = load_file(fname.c_str(), &sz);
if (data == nullptr) die("could not load android-info.txt: %s", strerror(errno));
setup_requirements(reinterpret_cast<char*>(data), sz);
setup_requirements(reinterpret_cast<char*>(data), sz);
}
std::string secondary;
if (flash_secondary) {
if (slot_override != "") {
secondary = get_other_slot(transport, slot_override);
} else {
secondary = get_other_slot(transport);
}
if (secondary == "") {
if (supports_AB(transport)) {
fprintf(stderr, "Warning: Could not determine slot for secondary images. Ignoring.\n");
}
flash_secondary = false;
}
}
for (size_t i = 0; i < ARRAY_SIZE(images); i++) {
fname = find_item(images[i].part_name, product);
const char* slot = NULL;
if (images[i].is_secondary) {
if (flash_secondary) slot = secondary.c_str();
} else {
if (flash_primary) slot = slot_override.c_str();
}
if (!slot) continue;
fname = find_item_given_name(images[i].img_name, product);
fastboot_buffer buf;
if (load_buf(transport, fname, &buf)) {
if (images[i].is_optional)
continue;
if (load_buf(transport, fname.c_str(), &buf)) {
if (images[i].is_optional) continue;
die("could not load %s\n", images[i].img_name);
}
@ -1113,10 +1178,10 @@ static void do_flashall(Transport* transport, const char* slot_override, int era
}
flash_buf(partition.c_str(), &buf);
};
do_for_partitions(transport, images[i].part_name, slot_override, flashall, false);
do_for_partitions(transport, images[i].part_name, slot, flashall, false);
}
set_active(transport, slot_override);
if (flash_primary) set_active(transport, slot_override);
}
#define skip(n) do { argc -= (n); argv += (n); } while (0)
@ -1443,10 +1508,8 @@ int main(int argc, char **argv)
return 1;
}
if (slot_override != "")
slot_override = verify_slot(transport, slot_override.c_str());
if (next_active != "")
next_active = verify_slot(transport, next_active.c_str(), false);
if (slot_override != "") slot_override = verify_slot(transport, slot_override.c_str());
if (next_active != "") next_active = verify_slot(transport, next_active.c_str(), false);
if (wants_set_active) {
if (next_active == "") {
@ -1567,7 +1630,7 @@ int main(int argc, char **argv)
fb_queue_command("boot", "booting");
} else if(!strcmp(*argv, "flash")) {
char *pname = argv[1];
char *fname = 0;
std::string fname;
require(2);
if (argc > 2) {
fname = argv[2];
@ -1576,13 +1639,13 @@ int main(int argc, char **argv)
fname = find_item(pname, product);
skip(2);
}
if (fname == 0) die("cannot determine image filename for '%s'", pname);
if (fname == "") die("cannot determine image filename for '%s'", pname);
auto flash = [&](const std::string &partition) {
if (erase_first && needs_erase(transport, partition.c_str())) {
fb_queue_erase(partition.c_str());
}
do_flash(transport, partition.c_str(), fname);
do_flash(transport, partition.c_str(), fname.c_str());
};
do_for_partitions(transport, pname, slot_override.c_str(), flash, true);
} else if(!strcmp(*argv, "flash:raw")) {
@ -1607,14 +1670,27 @@ int main(int argc, char **argv)
do_for_partitions(transport, argv[1], slot_override.c_str(), flashraw, true);
} else if(!strcmp(*argv, "flashall")) {
skip(1);
do_flashall(transport, slot_override.c_str(), erase_first);
if (slot_override == "all") {
fprintf(stderr, "Warning: slot set to 'all'. Secondary slots will not be flashed.");
do_flashall(transport, slot_override, erase_first, true, false);
} else {
do_flashall(transport, slot_override, erase_first, true, true);
}
wants_reboot = true;
} else if(!strcmp(*argv, "flash-primary")) {
skip(1);
do_flashall(transport, slot_override, erase_first, true, false);
wants_reboot = true;
} else if(!strcmp(*argv, "flash-secondary")) {
skip(1);
do_flashall(transport, slot_override, erase_first, false, true);
wants_reboot = true;
} else if(!strcmp(*argv, "update")) {
if (argc > 1) {
do_update(transport, argv[1], slot_override.c_str(), erase_first);
do_update(transport, argv[1], slot_override, erase_first);
skip(2);
} else {
do_update(transport, "update.zip", slot_override.c_str(), erase_first);
do_update(transport, "update.zip", slot_override, erase_first);
skip(1);
}
wants_reboot = 1;