Dump.sh

#!/bin/bash

# Get the current time
current_time=$(date +"%Y-%m-%d %H:%M:%S")

# Get the address range from the user
start_address=$1
end_address=$2

# Check if the address range is valid
if [[ $start_address -gt $end_address ]]; then

  echo "The start address must be less than or equal to the end address."

  exit 1

fi

# Open the /dev/mem device
devmem_fd=$(open /dev/mem)

# Check if the device was opened successfully
if [[ $devmem_fd -ne -1 ]]; then

  # Loop over the range of registers to read
  for address in $(seq $start_address $end_address); do

    # Read the value of the register
    value=$(cat /dev/mem$address)

    # Print the address and value in hexadecimal format
    printf "%08x %08x\n" $address $value

  done

  # Close the device
  close $devmem_fd

else

  echo "Unable to open /dev/mem"

fi