FreeCalypso > hg > freecalypso-sw
view loadtools/chainload.c @ 992:a7b0b426f9ca
target-utils: boot ROM UART autodetection revamped
The new implementation should work with both the familiar Calypso C035
boot ROM version found in our regular targets as well as the older
Calypso F741979B version found on the vintage D-Sample board.
author | Mychaela Falconia <falcon@ivan.Harhan.ORG> |
---|---|
date | Wed, 30 Dec 2015 21:28:41 +0000 |
parents | 771d9fda7630 |
children |
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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); }