nv.ksy

meta:
  id: nv
  endian: le
  file-extension:
    - nv
    - nvu

seq:
  - id: revision
    type: u2
  - id: nvnumber
    type: u2
  - id: carrier_id
    type: u2
    enum: carrier_id
  - id: version
    type: u4be
  - id: nv_items
    type: item
    if: nvnumber != 0
    repeat: expr
    repeat-expr: nvnumber
  - id: nv_items2
    type: item
    if: nvnumber == 0
    repeat: eos

types:
  nv_num:
    seq:
      - id: num
        type: u2
      - id: length
        type: u4
      - id: value
        size: length      
  
  nv_file_prop:
    -webide-representation: '{type}, {loc}, {path}'
    seq:
      - id: b1
        type: u1
    instances:
      path:
        value: (b1 & 0x8 > 0) ? "Relative" : "Absolute"
      loc:
        value: (b1 & 0x4 > 0) ? "APSS" : "MPSS"
      type:
        value: (b1 & 0x1 > 0) ? "EFS_ITEM" : "EFS"
  
  nv_file:
    seq:
      - id: name_magic
        contents: [0x01, 0x00]
      - id: name_length
        type: u4
      - id: property
        type: nv_file_prop
      - id: name
        size: name_length - 1 
        type: str
        encoding: ASCII
      - id: value_magic
        contents: [0x02, 0x00]
      - id: value_length
        type: u4
      - id: value
        size: value_length
    
                
  item:
    seq:
      - id: length
        type: u4
      - id: type
        type: u1
        enum: item_type
      - id: attrib
        type: u1
      - id: opcode
        type: u1
        enum: operation
      - id: arraysize
        type: u1
      - id: body
        size: length - 8
        type:
          switch-on: type
          cases:
            'item_type::qctnv': nv_num
            'item_type::swinv': nv_file
            'item_type::efs': nv_file
            'item_type::dirbu': nv_file

enums:
  operation:
    0x00: none
    0x01: write
    0x02: delete
    0x03: backup
  item_type:
    0x00: qctnv
    0x01: swinv
    0x02: efs
    0x03: dirbu
  carrier_id:
    0x00: none
    0x01: softbank
    0x02: telstra
    0x03: bigpond
    0x04: att
    0x05: verizon
    0x06: netindex
    0x07: dna
    0x08: bell
    0x09: telus
    0x0a: rogers
    0x0b: sprint
    0x0c: telefonica
    0x0d: zain
    0x67: alltel
    0x6a: uscellular
    0x6c: chinaunicom
    0x6d: tnz
    0x6e: sktelcom
    0x6f: reliance
    0x70: tata
    0x71: metropcs
    0x72: leap
    0x73: kddi
    0x74: grupo_iusaall
    0x75: chinamobile
    0x76: omh
    0xca: vodafone
    0xcb: tmobile
    0xcc: orange
    0xce: tim
    0xcf: three
    0xd1: sfr
    0xd2: swisscom
    0xd5: singapore
    0xd7: bhartiairtel
    0xd8: nttdcm
    0xd9: emobile
    0xdb: kt
    0xdd: telnor
    0xde: netcomenorway
    0xe0: amx
    0xe1: vivo
    0xe2: dish
    0xfe: any

swicwe.ksy

meta:
  id: swicwe
  file-extension: 
    - bin
    - cwe
  endian: be
  imports:
    - nv
  
  
seq:
  - id: header
    type: header
  - id: body
    size: header.image_sz
    type:
      switch-on: header.image_type
      cases:
        '"SPKG"': list
        '"FOTO"': list
        '"BOOT"': list
        '"MODM"': list
        '"APPL"': list
        '"FILE"': list
        '"NVUP"': nv
        '"NVBF"': nv
        '"NVBO"': nv
        '"NVBU"': nv
        '"NVBC"': nv

types:
  swicwe_foto_toc:
    seq:
      - id: toc
        size: 0x20
        #type: swicwe_foto_toc_element
        repeat: eos

  header:
    -webide-representation: 'image_type:{image_type}, prod_type:{prod_type}, size:{image_sz:dec}'
    seq:
      - id: prod_buf
        size: 0x100
      - id: psb_crc
        type: u4be
      - id: hdr_rev
        type: u4
      - id: crc_ind 
        type: str
        encoding: ASCII
        size: 4
      - id: image_type
        type: str
        encoding: ASCII
        size: 4
      - id: prod_type
        type: str
        encoding: ASCII
        size: 4
      - id: image_sz
        type: u4
      - id: image_crc
        type: u4
      - id: version
        type: str
        encoding: ASCII
        size: 84
      - id: rel_date
        type: str
        encoding: ASCII
        size: 8
      - id: compat
        type: u4
      - id: misc_opts
        type: u1
      - id: reserved1
        type: u1
      - id: reserved2
        type: u1
      - id: reserved3
        type: u1
      - id: stor_addr
        type: u4
      - id: prog_addr
        type: u4
      - id: entry_pt
        type: u4
      - id: signature
        type: u4

  list:
    seq:
      - id: list
        type: swicwe
        repeat: eos