third_party
/
qbootctl
mirror of https://gitlab.com/sdm845-mainline/qbootctl.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

cleanup, still doesn't seem to work

Browse Source 
getting attributes work, setting them (e.g. with mark_boot_successful)
doesn't seem to work properly.

The IOCTL required to set the boot LUN doesn't work, some kernel driver
is missing for it.
merge-requests/7/head
Caleb Connolly 3 years ago
parent 2f5bf10269
commit b28a87499c
No known key found for this signature in database
GPG Key ID: 0583312B195F64B6
3 changed files with 55 additions and 17 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 3
      BootControl.cpp
  2. 16
      boot_control_impl_qcom.cpp
  3. 53
      gpt-utils.cpp

3
BootControl.cpp
Unescape View File

@ -87,6 +87,9 @@ int main (int argc, char * argv []) {
printf("======= Current slot: %d\n", bootctl->getCurrentSlot());
printf("======= isslotbootable: a = %d, b = %d\n", bootctl->isSlotBootable(0),
bootctl->isSlotBootable(1));
printf("======= markBootSuccessful\n", bootctl->markBootSuccessful());
printf("======= isSlotMarkedSuccessful: a = %d, b = %d\n", bootctl->isSlotMarkedSuccessful(0),
bootctl->isSlotMarkedSuccessful(1));
// printf("\n\n\n trying to switch to slot b: %d\n",
// bootctl->setActiveBootSlot(1));
}

16
boot_control_impl_qcom.cpp
Unescape View File

@ -125,15 +125,19 @@ static int get_partition_attribute(char *partname,
goto error;
}
attr = pentry + AB_FLAG_OFFSET;
printf("gpt_disk_get_pentry: 0x%x", *attr);
if (part_attr == ATTR_SLOT_ACTIVE)
printf("get_partition_attribute() partname = %s, attr = 0x%x\n", partname, *attr);
if (part_attr == ATTR_SLOT_ACTIVE) {
retval = !!(*attr & AB_PARTITION_ATTR_SLOT_ACTIVE);
else if (part_attr == ATTR_BOOT_SUCCESSFUL)
printf("ATTR_SLOT_ACTIVE, retval = %d\n", retval);
} else if (part_attr == ATTR_BOOT_SUCCESSFUL) {
retval = !!(*attr & AB_PARTITION_ATTR_BOOT_SUCCESSFUL);
else if (part_attr == ATTR_UNBOOTABLE)
printf("AB_PARTITION_ATTR_BOOT_SUCCESSFUL, retval = %d\n", retval);
} else if (part_attr == ATTR_UNBOOTABLE) {
retval = !!(*attr & AB_PARTITION_ATTR_UNBOOTABLE);
else
printf("AB_PARTITION_ATTR_UNBOOTABLE, retval = %d\n", retval);
} else {
retval = -1;
}
gpt_disk_free(disk);
return retval;
error:
@ -685,7 +689,6 @@ error:
int is_slot_marked_successful(struct boot_control_module *module, unsigned slot)
{
printf("%s\n", __func__);
int attr = 0;
char bootPartition[MAX_GPT_NAME_SIZE + 1] = {0};
@ -697,6 +700,7 @@ int is_slot_marked_successful(struct boot_control_module *module, unsigned slot)
sizeof(bootPartition) - 1,
"boot%s", slot_suffix_arr[slot]);
attr = get_partition_attribute(bootPartition, ATTR_BOOT_SUCCESSFUL);
printf("%s(): slot = %d, attr = 0x%x\n", __func__, slot, attr);
if (attr >= 0)
return attr;
error:

53
gpt-utils.cpp
Unescape View File

@ -76,10 +76,10 @@
//the boot critical luns lie between sda to sdz which is acceptable because
//only user added external disks,etc would lie beyond that limit which do not
//contain partitions that interest us here.
#define PATH_TRUNCATE_LOC (sizeof("/dev/disk/sda") - 1)
#define PATH_TRUNCATE_LOC (sizeof("/dev/sda") - 1)
//From /dev/disk/sda get just sda
#define LUN_NAME_START_LOC (sizeof("/dev/disk/") - 1)
#define LUN_NAME_START_LOC (sizeof("/dev/") - 1)
#define BOOT_LUN_A_ID 1
#define BOOT_LUN_B_ID 2
/******************************************************************************
@ -125,6 +125,36 @@ struct update_data {
/******************************************************************************
* FUNCTIONS
******************************************************************************/
void DumpHex(const void* data, size_t size) {
char ascii[17];
size_t i, j;
ascii[16] = '\0';
for (i = 0; i < size; ++i) {
printf("%02X ", ((unsigned char*)data)[i]);
if (((unsigned char*)data)[i] >= ' ' && ((unsigned char*)data)[i] <= '~') {
ascii[i % 16] = ((unsigned char*)data)[i];
} else {
ascii[i % 16] = '.';
}
if ((i+1) % 8 == 0 || i+1 == size) {
printf(" ");
if ((i+1) % 16 == 0) {
printf("| %s \n", ascii);
} else if (i+1 == size) {
ascii[(i+1) % 16] = '\0';
if ((i+1) % 16 <= 8) {
printf(" ");
}
for (j = (i+1) % 16; j < 16; ++j) {
printf(" ");
}
printf("| %s \n", ascii);
}
}
}
}
/**
* ==========================================================================
*
@ -205,7 +235,7 @@ static uint8_t *gpt_pentry_seek(const char *ptn_name,
for (i = 0; i < sizeof(name8); i++)
name8[i] = pentry_name[i * 2];
if (!strncmp(ptn_name, name8, len))
if (name8[len] == 0; || !strcmp(&name8[len], BAK_PTN_NAME_EXT))
if (name8[len] == 0 || !strcmp(&name8[len], BAK_PTN_NAME_EXT))
return (uint8_t *) (pentry_name - PARTITION_NAME_OFFSET);
}
@ -540,7 +570,7 @@ int get_scsi_node_from_bootdevice(const char *bootdev_path,
__func__);
goto error;
}
if (readlink(bootdev_path, real_path, sizeof(real_path) - 1) < 0) {
if (realpath(bootdev_path, real_path) < 0) {
fprintf(stderr, "failed to resolve link for %s(%s)\n",
bootdev_path,
strerror(errno));
@ -559,6 +589,8 @@ int get_scsi_node_from_bootdevice(const char *bootdev_path,
real_path);
goto error;
}
// snprintf(sg_node_path, PATH_MAX, "%s", real_path);
// return 0;
//This will give us /dev/disk/sdb/device/scsi_generic
//which contains a file sgY whose name gives us the path
//to /dev/sgY which we return
@ -614,6 +646,7 @@ int set_boot_lun(char *sg_dev, uint8_t boot_lun_id)
__func__);
goto error;
}
printf("%s(): sg_dev = %s\n", __func__, sg_dev);
memset(data, 0, ioctl_data_size);
data->opcode = UPIU_QUERY_OPCODE_WRITE_ATTR;
data->idn = QUERY_ATTR_IDN_BOOT_LU_EN;
@ -1017,9 +1050,9 @@ int prepare_boot_update(enum boot_update_stage stage)
if (stat(buf, &ufs_dir_stat)) {
continue;
}
if (readlink(buf, real_path, sizeof(real_path) - 1) < 0)
if (realpath(buf, real_path) < 0)
{
fprintf(stderr, "%s: readlink error. Skipping %s\n",
fprintf(stderr, "%s: realpath error. Skipping %s\n",
__func__,
strerror(errno));
} else {
@ -1076,7 +1109,6 @@ static int get_dev_path_from_partition_name(const char *partname,
"%s/%s",
BOOT_DEV_DIR,
partname);
printf("PATH: #%s#\n", path);
// if (rc = stat(path, &st)) {
// printf("stat failed: errno=%d\n", errno);
// goto error;
@ -1084,12 +1116,12 @@ static int get_dev_path_from_partition_name(const char *partname,
buf = realpath(path, buf);
if (!buf)
{
printf("readlink failed\n");
printf("realpath failed\n");
goto error;
} else {
buf[PATH_TRUNCATE_LOC] = '\0';
}
printf("readlink path: %s, rc = %d, errno=%d\n", buf, rc, errno);
printf("PATH: %s, realpath: %s\n", path, buf);
} else {
snprintf(buf, buflen, "/dev/mmcblk0");
}
@ -1228,7 +1260,6 @@ static uint8_t* gpt_get_header(const char *partname, enum gpt_instance instance)
}
hdr = (uint8_t*)calloc(block_size, 1);
printf("%s(): devpath = %s, block_size = %u, hdr[0] = 0x%x, hdr[1] = 0x%x\n", __func__, devpath, block_size, hdr[0], hdr[1]);
if (!hdr) {
fprintf(stderr, "%s: Failed to allocate memory for gpt header\n",
__func__);
@ -1248,6 +1279,7 @@ static uint8_t* gpt_get_header(const char *partname, enum gpt_instance instance)
__func__);
goto error;
}
//DumpHex(hdr, block_size);
close(fd);
return hdr;
error:
@ -1294,7 +1326,6 @@ static uint8_t* gpt_get_pentry_arr(uint8_t *hdr, int fd)
__func__);
goto error;
}
printf("hdr + PENTRIES_OFFSET = %lu, pentries_start: %lu\n", GET_8_BYTES(hdr + PENTRIES_OFFSET), pentries_start);
rc = blk_rw(fd, 0,
pentries_start,
pentry_arr,

Write Preview
Loading…
Cancel
Save