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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 "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 }
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