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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 <inttypes.h>
13 #include "proxmark3.h"
14 #include "util.h"
15 #include "flash.h"
16 #include "uart.h"
17 #include "usb_cmd.h"
18
19 #ifdef _WIN32
20 # define unlink(x)
21 #endif
22
23 static serial_port sp;
24 static char* serial_port_name;
25
26 void cmd_debug(UsbCommand* UC) {
27 // Debug
28 printf("UsbCommand length[len=%zd]\n",sizeof(UsbCommand));
29 printf(" cmd[len=%zd]: %016" PRIx64 "\n",sizeof(UC->cmd),UC->cmd);
30 printf(" arg0[len=%zd]: %016" PRIx64 "\n",sizeof(UC->arg[0]),UC->arg[0]);
31 printf(" arg1[len=%zd]: %016" PRIx64 "\n",sizeof(UC->arg[1]),UC->arg[1]);
32 printf(" arg2[len=%zd]: %016" PRIx64 "\n",sizeof(UC->arg[2]),UC->arg[2]);
33 printf(" data[len=%zd]: ",sizeof(UC->d.asBytes));
34 for (size_t i=0; i<16; i++) {
35 printf("%02x",UC->d.asBytes[i]);
36 }
37 printf("...\n");
38 }
39
40 void SendCommand(UsbCommand* txcmd) {
41 // printf("send: ");
42 // cmd_debug(txcmd);
43 if (!uart_send(sp,(byte_t*)txcmd,sizeof(UsbCommand))) {
44 printf("Sending bytes to proxmark failed\n");
45 exit(1);
46 }
47 }
48
49 void ReceiveCommand(UsbCommand* rxcmd) {
50 byte_t* prxcmd = (byte_t*)rxcmd;
51 byte_t* prx = prxcmd;
52 size_t rxlen;
53 while (true) {
54 rxlen = sizeof(UsbCommand) - (prx-prxcmd);
55 if (uart_receive(sp,prx,&rxlen)) {
56 prx += rxlen;
57 if ((prx-prxcmd) >= sizeof(UsbCommand)) {
58 return;
59 }
60 }
61 }
62 }
63
64 void CloseProxmark() {
65 // Clean up the port
66 uart_close(sp);
67 // Fix for linux, it seems that it is extremely slow to release the serial port file descriptor /dev/*
68 unlink(serial_port_name);
69 }
70
71 int OpenProxmark(size_t i) {
72 sp = uart_open(serial_port_name);
73 if (sp == INVALID_SERIAL_PORT || sp == CLAIMED_SERIAL_PORT) {
74 //poll once a second
75 return 0;
76 }
77 return 1;
78 }
79
80 static void usage(char *argv0)
81 {
82 fprintf(stderr, "Usage: %s <port> [-b] image.elf [image.elf...]\n\n", argv0);
83 fprintf(stderr, "\t-b\tEnable flashing of bootloader area (DANGEROUS)\n\n");
84 //Is the example below really true? /Martin
85 fprintf(stderr, "Example:\n\n\t %s path/to/osimage.elf path/to/fpgaimage.elf\n", argv0);
86 fprintf(stderr, "\nExample (Linux):\n\n\t %s /dev/ttyACM0 armsrc/obj/fullimage.elf\n", argv0);
87 fprintf(stderr, "\nNote (Linux): if the flasher gets stuck in 'Waiting for Proxmark to reappear on <DEVICE>',\n");
88 fprintf(stderr, " you need to blacklist proxmark for modem-manager - see wiki for more details:\n");
89 fprintf(stderr, " http://code.google.com/p/proxmark3/wiki/Linux\n\n");
90 }
91
92 #define MAX_FILES 4
93
94 int main(int argc, char **argv)
95 {
96 int can_write_bl = 0;
97 int num_files = 0;
98 int res;
99 flash_file_t files[MAX_FILES];
100
101 memset(files, 0, sizeof(files));
102
103 if (argc < 3) {
104 usage(argv[0]);
105 return -1;
106 }
107
108 for (int i = 2; i < argc; i++) {
109 if (argv[i][0] == '-') {
110 if (!strcmp(argv[i], "-b")) {
111 can_write_bl = 1;
112 } else {
113 usage(argv[0]);
114 return -1;
115 }
116 } else {
117 res = flash_load(&files[num_files], argv[i], can_write_bl);
118 if (res < 0) {
119 fprintf(stderr, "Error while loading %s\n", argv[i]);
120 return -1;
121 }
122 fprintf(stderr, "\n");
123 num_files++;
124 }
125 }
126
127 serial_port_name = argv[1];
128
129 fprintf(stderr,"Waiting for Proxmark to appear on %s",serial_port_name);
130 do {
131 sleep(1);
132 fprintf(stderr, ".");
133 } while (!OpenProxmark(0));
134 fprintf(stderr," Found.\n");
135
136 res = flash_start_flashing(can_write_bl,serial_port_name);
137 if (res < 0)
138 return -1;
139
140 fprintf(stderr, "\nFlashing...\n");
141
142 for (int i = 0; i < num_files; i++) {
143 res = flash_write(&files[i]);
144 if (res < 0)
145 return -1;
146 flash_free(&files[i]);
147 fprintf(stderr, "\n");
148 }
149
150 fprintf(stderr, "Resetting hardware...\n");
151
152 res = flash_stop_flashing();
153 if (res < 0)
154 return -1;
155
156 CloseProxmark();
157
158 fprintf(stderr, "All done.\n\n");
159 fprintf(stderr, "Have a nice day!\n");
160
161 return 0;
162 }
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