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annotate loadtools/romload.c @ 17:24b88c119465

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loadtools: hw parameter file reading implemented
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Fri, 03 May 2013 22:55:28 +0000
parents e2e80a09338e
children 54392d1ea474
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1 /*
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2 * This module implements the communication protocol for pushing our
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3 * IRAM-loadable code to the Calypso ROM bootloader.
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4 */
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5
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6 #include <sys/types.h>
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7 #include <sys/ioctl.h>
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8 #include <sys/time.h>
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9 #include <sys/errno.h>
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10 #include <stdint.h>
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11 #include <stdio.h>
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12 #include <stdlib.h>
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13 #include <strings.h>
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14 #include <termios.h>
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15 #include <unistd.h>
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16 #include "srecreader.h"
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17
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18 extern int errno;
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19
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20 extern char *target_ttydev;
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21 extern int target_fd;
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22
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23 struct srecreader iramimage;
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24
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25 static int beacon_interval = 13; /* in milliseconds */
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26
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27 static u_char beacon_cmd[2] = {'<', 'i'};
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28
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29 static u_char param_cmd[11] = {'<', 'p',
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30 0x00, /* baud rate select code (115200) */
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31 0x00, /* DPLL setup: leave it off like on power-up, */
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32 /* OsmocomBB does the same thing */
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33 0x00, 0x04, /* chip select timing (WS) settings */
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34 /* our setting matches both OsmocomBB */
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35 /* and what the ROM runs with */
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36 /* before receiving this command */
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37 0x22, /* FFFF:F900 register config, low byte */
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38 /* OsmocomBB sends 0x00 here, but I've chosen */
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39 /* 0x22 to match the setting of this register */
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40 /* used by the boot ROM before this command. */
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41 0x00, 0x01, 0xD4, 0xC0 /* UART timeout */
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42 /* I've chosen the same value as what the */
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43 /* boot ROM runs with before getting this cmd */
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44 };
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45
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46 static u_char write_cmd[10] = {'<', 'w', 0x01, 0x01, 0x00};
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47 static u_char cksum_cmd[3] = {'<', 'c'};
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48 static u_char branch_cmd[6] = {'<', 'b'};
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49
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50 #define INTERMEDIATE_TIMEOUT 500 /* ms to wait for responses */
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51 #define SERIAL_FLUSH_DELAY 200 /* also in ms */
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52
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53 /*
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54 * The following function should be called by command line option
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55 * parsers upon encountering the -i option.
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56 */
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57 set_beacon_interval(arg)
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58 char *arg;
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59 {
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60 int i;
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61
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62 i = atoi(arg);
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63 if (i < 2 || i > 500) {
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64 fprintf(stderr, "invalid -i argument specified\n");
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65 exit(1);
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66 }
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67 beacon_interval = i;
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68 }
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69
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70 /*
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71 * The following functions alter some of the parameters sent to the
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72 * boot ROM in the <p command.
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73 */
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74 set_romload_pll_conf(byte)
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75 {
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76 param_cmd[3] = byte;
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77 }
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78
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79 set_romload_rhea_cntl(byte)
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80 {
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81 param_cmd[6] = byte;
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82 }
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83
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84 static int
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85 expect_response(timeout)
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86 {
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87 char buf[2];
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88 fd_set fds;
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89 struct timeval tv;
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90 int pass, cc;
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91
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92 for (pass = 0; pass < 2; ) {
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93 FD_ZERO(&fds);
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94 FD_SET(target_fd, &fds);
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95 tv.tv_sec = 0;
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96 tv.tv_usec = timeout * 1000;
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97 cc = select(target_fd+1, &fds, NULL, NULL, &tv);
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98 if (cc < 0) {
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99 if (errno == EINTR)
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100 continue;
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101 perror("select");
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102 exit(1);
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103 }
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104 if (cc < 1)
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105 return(-1);
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106 cc = read(target_fd, buf + pass, 2 - pass);
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107 if (cc <= 0) {
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108 perror("read after successful select");
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109 exit(1);
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110 }
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111 if (pass == 0 && buf[0] != '>')
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112 continue;
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113 pass += cc;
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114 }
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115 return(buf[1]);
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116 }
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117
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118 static
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119 send_beacons()
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120 {
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121 printf("Sending beacons to %s\n", target_ttydev);
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122 do
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123 write(target_fd, beacon_cmd, sizeof beacon_cmd);
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124 while (expect_response(beacon_interval) != 'i');
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125 return 0;
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126 }
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127
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128 static uint32_t
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129 compute_block_cksum()
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130 {
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131 uint32_t sum;
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132 int i, llen;
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133
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134 sum = iramimage.datalen + 5;
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135 llen = iramimage.datalen + 4;
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136 for (i = 0; i < llen; i++)
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137 sum += iramimage.record[i+1];
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138 return sum;
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139 }
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140
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141 perform_romload()
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142 {
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143 int resp;
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144 uint16_t image_cksum;
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145 unsigned long rec_count;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
146 static int zero = 0;
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
147
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
148 if (open_srec_file(&iramimage) < 0)
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
149 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
150 ioctl(target_fd, FIONBIO, &zero);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
151 send_beacons();
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
152 printf("Got beacon response, attempting download\n");
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
153
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
154 usleep(SERIAL_FLUSH_DELAY * 1000);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
155 tcflush(target_fd, TCIFLUSH);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
156 write(target_fd, param_cmd, sizeof param_cmd);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
157 resp = expect_response(INTERMEDIATE_TIMEOUT);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
158 if (resp != 'p') {
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
159 if (resp < 0)
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
160 fprintf(stderr, "No response to <p command\n");
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
161 else if (isprint(resp))
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
162 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
163 "Got >%c in response to <p command; expected >p\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
164 resp);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
165 else
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
166 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
167 "Got > %02X in response to <p command; expected >p\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
168 resp);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
169 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
170 }
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
171 printf("<p command successful, switching to 115200 baud\n");
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
172 switch_baud_rate(B115200);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
173 usleep(SERIAL_FLUSH_DELAY * 1000);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
174 tcflush(target_fd, TCIFLUSH);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
175
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
176 image_cksum = 0;
10
e2e80a09338e fc-sertool actually works; output from loadagent is visible!
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 9
diff changeset
177 for (rec_count = 0; ; ) {
9
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
178 if (read_s_record(&iramimage) < 0)
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
179 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
180 switch (iramimage.record_type) {
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
181 case '0':
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
182 if (iramimage.lineno == 1)
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
183 continue;
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
184 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
185 "%s: S0 record found in line %d (expected in line 1 only)\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
186 iramimage.filename, iramimage.lineno);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
187 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
188 case '3':
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
189 case '7':
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
190 if (s3s7_get_addr_data(&iramimage) < 0)
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
191 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
192 break;
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
193 default:
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
194 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
195 "%s line %d: S%c record type not supported\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
196 iramimage.filename, iramimage.lineno,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
197 iramimage.record_type);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
198 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
199 }
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
200 if (iramimage.record_type == '7')
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
201 break;
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
202 /* must be S3 */
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
203 if (iramimage.datalen < 1) {
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
204 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
205 "%s line %d: S3 record has zero data length\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
206 iramimage.filename, iramimage.lineno);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
207 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
208 }
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
209 /* form <w command */
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
210 if (!rec_count)
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
211 printf("Sending image payload\n");
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
212 write_cmd[5] = iramimage.datalen;
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
213 bcopy(iramimage.record + 1, write_cmd + 6, 4);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
214 write(target_fd, write_cmd, sizeof write_cmd);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
215 write(target_fd, iramimage.record + 5, iramimage.datalen);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
216 /* update our checksum accumulator */
10
e2e80a09338e fc-sertool actually works; output from loadagent is visible!
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 9
diff changeset
217 image_cksum += ~compute_block_cksum() & 0xFF;
9
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
218 /* collect response */
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
219 resp = expect_response(INTERMEDIATE_TIMEOUT);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
220 if (resp != 'w') {
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
221 fprintf(stderr, "Block #%lu: ", rec_count);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
222 if (resp < 0)
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
223 fprintf(stderr, "No response to <w command\n");
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
224 else if (isprint(resp))
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
225 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
226 "Got >%c in response to <w command; expected >w\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
227 resp);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
228 else
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
229 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
230 "Got > %02X in response to <w command; expected >w\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
231 resp);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
232 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
233 }
10
e2e80a09338e fc-sertool actually works; output from loadagent is visible!
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 9
diff changeset
234 putchar('.');
e2e80a09338e fc-sertool actually works; output from loadagent is visible!
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 9
diff changeset
235 fflush(stdout);
e2e80a09338e fc-sertool actually works; output from loadagent is visible!
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 9
diff changeset
236 rec_count++;
9
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
237 }
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
238 /* got S7 */
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
239 fclose(iramimage.openfile);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
240 if (!rec_count) {
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
241 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
242 "%s line %d: S7 without any preceding S3 data records\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
243 iramimage.filename, iramimage.lineno);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
244 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
245 }
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
246
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
247 /* send <c */
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
248 printf("Sending checksum\n");
10
e2e80a09338e fc-sertool actually works; output from loadagent is visible!
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 9
diff changeset
249 cksum_cmd[2] = ~image_cksum & 0xFF;
9
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
250 write(target_fd, cksum_cmd, sizeof cksum_cmd);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
251 resp = expect_response(INTERMEDIATE_TIMEOUT);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
252 if (resp != 'c') {
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
253 if (resp < 0)
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
254 fprintf(stderr, "No response to <c command\n");
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
255 else if (isprint(resp))
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
256 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
257 "Got >%c in response to <c command; expected >c\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
258 resp);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
259 else
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
260 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
261 "Got > %02X in response to <c command; expected >c\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
262 resp);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
263 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
264 }
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
265 printf("<c command successful, sending <b\n");
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
266
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
267 bcopy(iramimage.record + 1, branch_cmd + 2, 4);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
268 write(target_fd, branch_cmd, sizeof branch_cmd);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
269 resp = expect_response(INTERMEDIATE_TIMEOUT);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
270 if (resp != 'b') {
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
271 if (resp < 0)
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
272 fprintf(stderr, "No response to <b command\n");
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
273 else if (isprint(resp))
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
274 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
275 "Got >%c in response to <b command; expected >b\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
276 resp);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
277 else
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
278 fprintf(stderr,
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
279 "Got > %02X in response to <b command; expected >b\n",
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
280 resp);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
281 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
282 }
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
283 printf("<b command successful: downloaded image should now be running!\n");
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
284 return(0);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
285 }