amd64/bareMetalOS-0.5.2/baremetal0.5.2/programs/ethtool.asm

   1 ; -----------------------------------------------------------------
   2 ; EthTool v0.1 - Ethernet debugging tool
   3 ; Ian Seyler @ Return Infinity
   4 ; -----------------------------------------------------------------
   5
   6
   7 [BITS 64]
   8 [ORG 0x0000000000200000]
   9
  10 %INCLUDE "bmdev.asm"
  11
  12 ethtool:
  13
  14         mov rsi, startstring
  15         call b_print_string
  16
  17 ethtool_command:
  18         call b_input_key_wait
  19         or al, 00100000b                        ; Convert character to lowercase if it is not already
  20
  21         cmp al, 's'
  22         je ethtool_send
  23         cmp al, 'r'
  24         je ethtool_receive
  25         cmp al, 'q'
  26         je ethtool_finish
  27         jmp ethtool_command                     ; Didn't get any key we were expecting so try again.
  28
  29 ethtool_finish:
  30         call b_print_newline
  31         ret                                     ; Back to OS
  32
  33 ethtool_send:
  34         mov rsi, sendstring
  35         call b_print_string
  36         mov rdi, broadcastaddress
  37         mov rsi, startstring
  38         mov rbx, 0xABBA
  39         mov rcx, 63
  40         call b_ethernet_tx
  41         mov rsi, sentstring
  42         call b_print_string
  43         jmp ethtool_command
  44
  45 ethtool_receive:
  46         mov rsi, receivestring
  47         call b_print_string
  48         mov rdi, EthernetBuffer
  49         call b_ethernet_rx
  50         cmp rcx, 0
  51         je ethtool_receive_nopacket
  52         mov rsi, receiveddata
  53         call b_print_string
  54         mov rsi, EthernetBuffer
  55         call b_debug_dump_mem
  56         jmp ethtool_command
  57
  58 ethtool_receive_nopacket:
  59         mov rsi, receivednothingstring
  60         call b_print_string
  61         jmp ethtool_command
  62
  63 ; -----------------------------------------------------------------
  64
  65 startstring: db 'EthTool: S to send a packet, R to recieve a packet, Q to quit.', 0
  66 sendstring: db 13, 'Sending packet, ', 0
  67 sentstring: db 'Sent', 0
  68 receivestring: db 13, 'Receiving packet, ', 0
  69 receivednothingstring: db 'Nothing there', 0
  70 receiveddata: db 'Data received', 13, 0
  71 broadcastaddress: db 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0
  72 EthernetBuffer: db 0