unable to find boot partition to modify init.rc file

[Cyber Satish]

im unable to find which is boot partition.
when i run the commands

1|root@generic_x86_64:/ # cat /proc/partitions
major minor #blocks name

253 0 1310720 vda
253 16 67584 vdb
253 32 563200 vdc
253 48 102400 vdd
253 49 101376 vdd1
11 0 1048575 sr0
root@generic_x86_64:/ # cat /proc/mtd
/system/bin/sh: cat: /proc/mtd: No such file or directory
1|root@generic_x86_64:/ #

root@generic_x86_64:/ # mount
rootfs / rootfs ro,relatime 0 0
tmpfs /dev tmpfs rw,nosuid,relatime,mode=755 0 0
devpts /dev/pts devpts rw,relatime,mode=600 0 0
proc /proc proc rw,relatime 0 0
sysfs /sys sysfs rw,relatime 0 0
debugfs /sys/kernel/debug debugfs rw,relatime 0 0
none /acct cgroup rw,relatime,cpuacct 0 0
none /sys/fs/cgroup tmpfs rw,relatime,mode=750,gid=1000 0 0
tmpfs /mnt/asec tmpfs rw,relatime,mode=755,gid=1000 0 0
tmpfs /mnt/obb tmpfs rw,relatime,mode=755,gid=1000 0 0
none /dev/cpuctl cgroup rw,relatime,cpu 0 0
/dev/block/vda /system ext4 ro,relatime,data=ordered 0 0
/dev/block/vdb /cache ext4 rw,nosuid,nodev,noatime,errors=panic,data=ordered 0 0
/dev/block/vdc /data ext4 rw,nosuid,nodev,noatime,errors=panic,data=ordered 0 0

root@generic_x86_64:/dev/block # ls
loop0
loop1
loop2
loop3
loop4
loop5
loop6
loop7
pci
ram0
ram1
ram10
ram11
ram12
ram13
ram14
ram15
ram2
ram3
ram4
ram5
ram6
ram7
ram8
ram9
sr0
vda
vdb
vdc
vdd
vdd1
vold
root@generic_x86_

no platform partition under /dev/block



please help me to find boot partition
Thanks in advance

[minde...@gmail.com]

Hi,

What are you using to boot up? SD Card or eMMC or NAND?

Thanks,
GB.