FreeCalypso > hg > freecalypso-tools

comparison loadtools/chainload.c @ 0:e7502631a0f9

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initial import from freecalypso-sw rev 1033:5ab737ac3ad7
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 11 Jun 2016 00:13:35 +0000
parents
children 88962b111edc
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-1:000000000000 0:e7502631a0f9
1 /*
2 * This module implements the chain-loading of XRAM images via loadagent.
3 */
4
5 #include <sys/types.h>
6 #include <stdint.h>
7 #include <stdio.h>
8 #include <stdlib.h>
9 #include <string.h>
10 #include <strings.h>
11 #include "srecreader.h"
12
13 struct srecreader xramimage;
14
15 extern struct baudrate *current_baud_rate;
16 extern struct baudrate *xram_run_baudrate;
17
18 static void
19 make_ml_arg(rec, buf)
20 u_char *rec;
21 char *buf;
22 {
23 register int i, len;
24 register char *s;
25
26 len = rec[0] + 1;
27 s = buf;
28 for (i = 0; i < len; i++) {
29 sprintf(s, "%02X", rec[i]);
30 s += 2;
31 }
32 *s = '\0';
33 }
34
35 perform_chain_load()
36 {
37 int resp;
38 unsigned long rec_count;
39 char *argv[3], srecarg[516];
40
41 if (open_srec_file(&xramimage) < 0)
42 exit(1);
43 argv[0] = "ML";
44 argv[1] = srecarg;
45 argv[2] = 0;
46 for (rec_count = 0; ; ) {
47 if (read_s_record(&xramimage) < 0)
48 exit(1);
49 switch (xramimage.record_type) {
50 case '0':
51 if (xramimage.lineno == 1)
52 continue;
53 fprintf(stderr,
54 "%s: S0 record found in line %d (expected in line 1 only)\n",
55 xramimage.filename, xramimage.lineno);
56 exit(1);
57 case '3':
58 case '7':
59 if (s3s7_get_addr_data(&xramimage) < 0)
60 exit(1);
61 break;
62 default:
63 fprintf(stderr,
64 "%s line %d: S%c record type not supported\n",
65 xramimage.filename, xramimage.lineno,
66 xramimage.record_type);
67 exit(1);
68 }
69 if (xramimage.record_type == '7')
70 break;
71 /* must be S3 */
72 if (xramimage.datalen < 1) {
73 fprintf(stderr,
74 "%s line %d: S3 record has zero data length\n",
75 xramimage.filename, xramimage.lineno);
76 exit(1);
77 }
78 if (!rec_count)
79 printf("Each \'.\' is 100 S-records\n");
80 make_ml_arg(xramimage.record, srecarg);
81 tpinterf_make_cmd(argv);
82 if (tpinterf_send_cmd())
83 exit(1);
84 if (tpinterf_pass_output(1))
85 exit(1);
86 rec_count++;
87 if (rec_count % 100 == 0) {
88 putchar('.');
89 fflush(stdout);
90 }
91 }
92 /* got S7 */
93 fclose(xramimage.openfile);
94 if (!rec_count) {
95 fprintf(stderr,
96 "%s line %d: S7 without any preceding S3 data records\n",
97 xramimage.filename, xramimage.lineno);
98 exit(1);
99 }
100 if (xram_run_baudrate != current_baud_rate) {
101 resp = loadagent_switch_baud(xram_run_baudrate);
102 if (resp)
103 exit(1);
104 }
105 printf("Sending jump command\n");
106 sprintf(srecarg, "%lX", (u_long) xramimage.addr);
107 argv[0] = "jump";
108 tpinterf_make_cmd(argv);
109 if (tpinterf_send_cmd())
110 exit(1);
111 printf("Sent \"%s %s\": XRAM image should now be running!\n",
112 argv[0], argv[1]);
113 return(0);
114 }