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authorGareth McMullin2011-02-04 20:23:52 +1300
committerGareth McMullin2011-02-04 20:23:52 +1300
commit406617a2a470021d9412e9280feda0d28bdb653b (patch)
tree43b2cb9b562fde0bf5187c31dea77d72318cfc29 /src/command.c
Import of working source tree.
Diffstat (limited to 'src/command.c')
-rw-r--r--src/command.c159
1 files changed, 159 insertions, 0 deletions
diff --git a/src/command.c b/src/command.c
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+++ b/src/command.c
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+/*
+ * This file is part of the Black Magic Debug project.
+ *
+ * Copyright (C) 2011 Black Sphere Technologies Ltd.
+ * Written by Gareth McMullin <gareth@blacksphere.co.nz>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* This file implements a basic command interpreter for GDB 'monitor'
+ * commands.
+ *
+ * TODO: Add a mechanism for target driver so register new commands.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <alloca.h>
+
+#include "general.h"
+
+#include "command.h"
+#include "gdb_packet.h"
+
+#include "jtag_scan.h"
+#include "target.h"
+
+#include "adiv5.h"
+
+void cmd_version(void);
+void cmd_help(void);
+
+void cmd_jtag_scan(void);
+void cmd_swdp_scan(void);
+void cmd_targets(void);
+void cmd_morse(void);
+
+const struct command_s cmd_list[] = {
+ {"version", (cmd_handler)cmd_version, "Display firmware version info"},
+ {"help", (cmd_handler)cmd_help, "Display help for monitor commands"},
+ {"jtag_scan", (cmd_handler)cmd_jtag_scan, "Scan JTAG chain for devices" },
+ {"swdp_scan", (cmd_handler)cmd_swdp_scan, "Scan SW-DP for devices" },
+ {"targets", (cmd_handler)cmd_targets, "Display list of available targets" },
+ {"morse", (cmd_handler)cmd_morse, "Display morse error message" },
+
+ {NULL, NULL, NULL}
+};
+
+
+int command_process(char *cmd)
+{
+ const struct command_s *c;
+ int argc = 0;
+ const char **argv;
+
+ /* Initial estimate for argc */
+ for(char *s = cmd; *s; s++)
+ if((*s == ' ') || (*s == '\t')) argc++;
+
+ argv = alloca(sizeof(const char *) * argc);
+
+ /* Tokenize cmd to find argv */
+ for(argc = 0, argv[argc] = strtok(cmd, " \t");
+ argv[argc]; argv[++argc] = strtok(NULL, " \t"));
+
+ /* Look for match and call handler */
+ for(c = cmd_list; c->cmd; c++) {
+ if(!strcmp(argv[0], c->cmd)) {
+ c->handler(argc, argv);
+ return 0;
+ }
+ }
+
+ return -1;
+}
+
+void cmd_version(void)
+{
+ gdb_out("Black Magic Probe (Firmware 1.5, build " BUILDDATE ")\n");
+ gdb_out("Copyright (C) 2010 Black Sphere Technologies\n");
+ gdb_out("All rights reserved.\n\n");
+}
+
+void cmd_help(void)
+{
+ const struct command_s *c;
+
+ for(c = cmd_list; c->cmd; c++)
+ gdb_outf("%s -- %s\n", c->cmd, c->help);
+}
+
+void cmd_jtag_scan(void)
+{
+ int devs = jtag_scan();
+
+ if(devs < 0) {
+ gdb_out("JTAG device scan failed!\n");
+ return;
+ }
+ if(devs == 0) {
+ gdb_out("JTAG scan found no devices!\n");
+ return;
+ }
+ gdb_outf("Device IR Len IDCODE Description\n");
+ for(int i = 0; i < jtag_dev_count; i++)
+ gdb_outf("%d\t%d\t0x%08lX %s\n", i,
+ jtag_devs[i].ir_len, jtag_devs[i].idcode,
+ jtag_devs[i].descr);
+ gdb_out("\n");
+ cmd_targets();
+}
+
+void cmd_swdp_scan(void)
+{
+ if(adiv5_swdp_scan() < 0) {
+ gdb_out("SW-DP scan failed!\n");
+ return;
+ }
+
+ gdb_outf("SW-DP detected IDCODE: 0x%08X\n", adiv5_dp_list->idcode);
+
+ cmd_targets();
+}
+
+void cmd_targets(void)
+{
+ struct target_s *t;
+ int i;
+
+ if(!target_list) {
+ gdb_out("No usable targets found.\n");
+ return;
+ }
+
+ gdb_out("Available Targets:\n");
+ gdb_out("No. Att Driver\n");
+ for(t = target_list, i = 1; t; t = t->next, i++)
+ gdb_outf("%2d %c %s\n", i, t==cur_target?'*':' ',
+ t->driver);
+}
+
+void cmd_morse(void)
+{
+ if(morse_msg)
+ gdb_outf("%s\n", morse_msg);
+}
+
+