git.zerfleddert.de Git - proxmark3-svn/blob - client/flasher.c

   1 //-----------------------------------------------------------------------------
   2 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   3 // at your option, any later version. See the LICENSE.txt file for the text of
   4 // the license.
   5 //-----------------------------------------------------------------------------
   6 // Flasher frontend tool
   7 //-----------------------------------------------------------------------------
   8
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include "sleep.h"
  13 #include "proxmark3.h"
  14 #include "flash.h"
  15 #include "uart.h"
  16 #include "usb_cmd.h"
  17
  18 #ifdef _WIN32
  19 # define unlink(x)
  20 #endif
  21
  22 static serial_port sp;
  23 static char* serial_port_name;
  24
  25 void cmd_debug(UsbCommand* UC) {
  26   //  Debug
  27   printf("UsbCommand length[len=%zd]\n",sizeof(UsbCommand));
  28   printf("  cmd[len=%zd]: %016"llx"\n",sizeof(UC->cmd),UC->cmd);
  29   printf(" arg0[len=%zd]: %016"llx"\n",sizeof(UC->arg[0]),UC->arg[0]);
  30   printf(" arg1[len=%zd]: %016"llx"\n",sizeof(UC->arg[1]),UC->arg[1]);
  31   printf(" arg2[len=%zd]: %016"llx"\n",sizeof(UC->arg[2]),UC->arg[2]);
  32   printf(" data[len=%zd]: ",sizeof(UC->d.asBytes));
  33   for (size_t i=0; i<16; i++) {
  34     printf("%02x",UC->d.asBytes[i]);
  35   }
  36   printf("...\n");
  37 }
  38
  39 void SendCommand(UsbCommand* txcmd) {
  40 //  printf("send: ");
  41 //  cmd_debug(txcmd);
  42   if (!uart_send(sp,(byte_t*)txcmd,sizeof(UsbCommand))) {
  43     printf("Sending bytes to proxmark failed\n");
  44     exit(1);
  45   }
  46 }
  47
  48 void ReceiveCommand(UsbCommand* rxcmd) {
  49   byte_t* prxcmd = (byte_t*)rxcmd;
  50   byte_t* prx = prxcmd;
  51   size_t rxlen;
  52   while (true) {
  53     rxlen = sizeof(UsbCommand) - (prx-prxcmd);
  54     if (uart_receive(sp,prx,&rxlen)) {
  55 //      printf("received [%zd] bytes\n",rxlen);
  56       prx += rxlen;
  57       if ((prx-prxcmd) >= sizeof(UsbCommand)) {
  58 //        printf("received: ");
  59 //        cmd_debug(rxcmd);
  60         return;
  61       }
  62     }
  63   }
  64 }
  65
  66 void CloseProxmark() {
  67   // Clean up the port
  68   uart_close(sp);
  69   // Fix for linux, it seems that it is extremely slow to release the serial port file descriptor /dev/*
  70   unlink(serial_port_name);
  71 }
  72
  73 int OpenProxmark(size_t i) {
  74   sp = uart_open(serial_port_name);
  75   if (sp == INVALID_SERIAL_PORT) {
  76     //poll once a second
  77     return 0;
  78   }
  79   return 1;
  80 }
  81
  82 static void usage(char *argv0)
  83 {
  84         fprintf(stderr, "Usage:   %s <port> [-b] image.elf [image.elf...]\n\n", argv0);
  85         fprintf(stderr, "\t-b\tEnable flashing of bootloader area (DANGEROUS)\n\n");
  86         fprintf(stderr, "Example: %s path/to/osimage.elf path/to/fpgaimage.elf\n", argv0);
  87 }
  88
  89 #define MAX_FILES 4
  90
  91 int main(int argc, char **argv)
  92 {
  93         int can_write_bl = 0;
  94         int num_files = 0;
  95         int res;
  96         flash_file_t files[MAX_FILES];
  97
  98         memset(files, 0, sizeof(files));
  99
 100         if (argc < 3) {
 101                 usage(argv[0]);
 102                 return -1;
 103         }
 104
 105         for (int i = 2; i < argc; i++) {
 106                 if (argv[i][0] == '-') {
 107                         if (!strcmp(argv[i], "-b")) {
 108                                 can_write_bl = 1;
 109                         } else {
 110                                 usage(argv[0]);
 111                                 return -1;
 112                         }
 113                 } else {
 114                         res = flash_load(&files[num_files], argv[i], can_write_bl);
 115                         if (res < 0) {
 116                                 fprintf(stderr, "Error while loading %s\n", argv[i]);
 117                                 return -1;
 118                         }
 119                         fprintf(stderr, "\n");
 120                         num_files++;
 121                 }
 122         }
 123
 124   serial_port_name = argv[1];
 125         fprintf(stderr, "Waiting for Proxmark to appear on USB...");
 126         while (!OpenProxmark(0)) {
 127                 fprintf(stderr, ".");
 128         }
 129         fprintf(stderr, " Found.\n");
 130
 131         res = flash_start_flashing(can_write_bl);
 132         if (res < 0)
 133                 return -1;
 134
 135         fprintf(stderr, "\nFlashing...\n");
 136
 137         for (int i = 0; i < num_files; i++) {
 138                 res = flash_write(&files[i]);
 139                 if (res < 0)
 140                         return -1;
 141                 flash_free(&files[i]);
 142                 fprintf(stderr, "\n");
 143         }
 144
 145         fprintf(stderr, "Resetting hardware...\n");
 146
 147         res = flash_stop_flashing();
 148         if (res < 0)
 149                 return -1;
 150
 151         CloseProxmark();
 152
 153         fprintf(stderr, "All done.\n\n");
 154         fprintf(stderr, "Have a nice day!\n");
 155
 156         return 0;
 157 }