diff rvinterf/etmsync/memdump.c @ 153:9925fba699be

fc-olddump replaced with fc-memdump
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 06 Mar 2017 01:19:51 +0000
parents
children e40bb5a6c6b9
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rvinterf/etmsync/memdump.c	Mon Mar 06 01:19:51 2017 +0000
@@ -0,0 +1,121 @@
+/*
+ * This utility uses one of TI's Test Mode memory read commands (either TM3 or
+ * ETM) in a synchronous manner (using our etmsync infrastructure) to read the
+ * memory of a GSM device running a compatible fw version.  It supplants
+ * the former fc-olddump tool.
+ */
+
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <unistd.h>
+#include "etm.h"
+#include "tm3.h"
+#include "localtypes.h"
+#include "exitcodes.h"
+
+int use_etm;
+
+extern char *socket_pathname;
+extern char *rvinterf_ttyport, *rvinterf_Bopt, *rvinterf_lopt, *rvinterf_wopt;
+
+single_op_main(argc, argv)
+	char **argv;
+{
+	u32 addr, len, chunk, maxchunk;
+	char buf[MAX_MEMREAD_BYTES];
+	FILE *outf;
+	int rc;
+
+	if (argc != 3) {
+		fprintf(stderr,
+		"usage: fc-memdump [options] start-addr dump-length binfile\n");
+		exit(ERROR_USAGE);
+	}
+	addr = strtoul(argv[0], 0, 16);
+	len = strtoul(argv[1], 0, 16);
+	outf = fopen(argv[2], "w");
+	if (!outf) {
+		perror(argv[2]);
+		exit(ERROR_UNIX);
+	}
+	if (use_etm)
+		maxchunk = MAX_MEMREAD_BYTES;
+	else
+		maxchunk = TM3_MEMREAD_MAX;
+	while (len) {
+		chunk = len;
+		if (chunk > maxchunk)
+			chunk = maxchunk;
+		if (use_etm)
+			rc = do_memory_read(addr, buf, chunk);
+		else
+			rc = do_memory_read_tm3(addr, buf, chunk);
+		if (rc)
+			exit(rc);
+		fwrite(buf, 1, chunk, outf);
+		putchar('.');
+		fflush(stdout);
+		addr += chunk;
+		len -= chunk;
+	}
+	putchar('\n');
+	fclose(outf);
+	exit(0);
+}
+
+main(argc, argv)
+	char **argv;
+{
+	extern int optind;
+	extern char *optarg;
+	int c, sopt = 0;
+
+	while ((c = getopt(argc, argv, "B:el:p:s:w:")) != EOF)
+		switch (c) {
+		case 'B':
+			rvinterf_Bopt = optarg;
+			continue;
+		case 'e':
+			use_etm++;
+			continue;
+		case 'l':
+			rvinterf_lopt = optarg;
+			continue;
+		case 'p':
+			rvinterf_ttyport = optarg;
+			continue;
+		case 's':
+			socket_pathname = optarg;
+			sopt++;
+			continue;
+		case 'w':
+			rvinterf_wopt = optarg;
+			continue;
+		case '?':
+		default:
+			/* error msg already printed */
+			exit(ERROR_USAGE);
+		}
+	if (rvinterf_ttyport) {
+		if (sopt) {
+			fprintf(stderr,
+			"%s error: -p and -s options are mutually exclusive\n",
+				argv[0]);
+			exit(ERROR_USAGE);
+		}
+		launch_rvinterf();
+	} else {
+		if (rvinterf_Bopt || rvinterf_lopt || rvinterf_wopt) {
+			fprintf(stderr,
+"%s error: -B, -l and -w options are meaningful only when launching rvinterf\n",
+				argv[0]);
+			exit(ERROR_USAGE);
+		}
+		connect_local_socket();
+	}
+
+	return single_op_main(argc - optind, argv + optind);
+}