FreeCalypso > hg > freecalypso-tools
view loadtools/chainload.c @ 416:30f6d1c32c6f
doc/Flash-boot-defect article removed (no longer relevant)
This article is no longer relevant because the issue in question
only affected one (1) defective FCDEV3B board which was not
and never will be sold.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 26 Oct 2018 07:11:08 +0000 |
parents | e7502631a0f9 |
children | 88962b111edc |
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/* * This module implements the chain-loading of XRAM images via loadagent. */ #include <sys/types.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include "srecreader.h" struct srecreader xramimage; extern struct baudrate *current_baud_rate; extern struct baudrate *xram_run_baudrate; static void make_ml_arg(rec, buf) u_char *rec; char *buf; { register int i, len; register char *s; len = rec[0] + 1; s = buf; for (i = 0; i < len; i++) { sprintf(s, "%02X", rec[i]); s += 2; } *s = '\0'; } perform_chain_load() { int resp; unsigned long rec_count; char *argv[3], srecarg[516]; if (open_srec_file(&xramimage) < 0) exit(1); argv[0] = "ML"; argv[1] = srecarg; argv[2] = 0; for (rec_count = 0; ; ) { if (read_s_record(&xramimage) < 0) exit(1); switch (xramimage.record_type) { case '0': if (xramimage.lineno == 1) continue; fprintf(stderr, "%s: S0 record found in line %d (expected in line 1 only)\n", xramimage.filename, xramimage.lineno); exit(1); case '3': case '7': if (s3s7_get_addr_data(&xramimage) < 0) exit(1); break; default: fprintf(stderr, "%s line %d: S%c record type not supported\n", xramimage.filename, xramimage.lineno, xramimage.record_type); exit(1); } if (xramimage.record_type == '7') break; /* must be S3 */ if (xramimage.datalen < 1) { fprintf(stderr, "%s line %d: S3 record has zero data length\n", xramimage.filename, xramimage.lineno); exit(1); } if (!rec_count) printf("Each \'.\' is 100 S-records\n"); make_ml_arg(xramimage.record, srecarg); tpinterf_make_cmd(argv); if (tpinterf_send_cmd()) exit(1); if (tpinterf_pass_output(1)) exit(1); rec_count++; if (rec_count % 100 == 0) { putchar('.'); fflush(stdout); } } /* got S7 */ fclose(xramimage.openfile); if (!rec_count) { fprintf(stderr, "%s line %d: S7 without any preceding S3 data records\n", xramimage.filename, xramimage.lineno); exit(1); } if (xram_run_baudrate != current_baud_rate) { resp = loadagent_switch_baud(xram_run_baudrate); if (resp) exit(1); } printf("Sending jump command\n"); sprintf(srecarg, "%lX", (u_long) xramimage.addr); argv[0] = "jump"; tpinterf_make_cmd(argv); if (tpinterf_send_cmd()) exit(1); printf("Sent \"%s %s\": XRAM image should now be running!\n", argv[0], argv[1]); return(0); }