/* set if we are sending a memory map to gdb
* via qXfer:memory-map:read packet */
-int gdb_use_memory_map = 0;
-int gdb_flash_program = 0;
+/* enabled by default*/
+int gdb_use_memory_map = 1;
+/* enabled by default*/
+int gdb_flash_program = 1;
/* if set, data aborts cause an error to be reported in memory read packets
* see the code in gdb_read_memory_packet() for further explanations */
return ERROR_OK;
}
-int gdb_output(struct command_context_s *context, char* line)
+int gdb_output(struct command_context_s *context, const char* line)
{
/* this will be dumped to the log and also sent as an O packet if possible */
LOG_USER_N("%s", line);
int gdb_program_handler(struct target_s *target, enum target_event event, void *priv)
{
- FILE *script;
struct command_context_s *cmd_ctx = priv;
- if (target->gdb_program_script)
- {
- script = open_file_from_path(target->gdb_program_script, "r");
- if (!script)
- {
- LOG_ERROR("couldn't open script file %s", target->gdb_program_script);
- return ERROR_OK;
- }
-
- LOG_INFO("executing gdb_program script '%s'", target->gdb_program_script);
- command_run_file(cmd_ctx, script, COMMAND_EXEC);
- fclose(script);
-
- jtag_execute_queue();
- }
+ target_invoke_script(cmd_ctx, target, "gdb_program");
+ jtag_execute_queue();
return ERROR_OK;
}
if (packet[0] == 'c')
{
LOG_DEBUG("continue");
+ target_invoke_script(connection->cmd_ctx, target, "pre_resume");
target_resume(target, current, address, 0, 0); /* resume at current address, don't handle breakpoints, not debugging */
}
else if (packet[0] == 's')
return block_size;
}
+static int compare_bank (const void * a, const void * b)
+{
+ flash_bank_t *b1, *b2;
+ b1=*((flash_bank_t **)a);
+ b2=*((flash_bank_t **)b);
+
+ if (b1->base==b2->base)
+ {
+ return 0;
+ } else if (b1->base>b2->base)
+ {
+ return 1;
+ } else
+ {
+ return -1;
+ }
+}
+
int gdb_query_packet(connection_t *connection, target_t *target, char *packet, int packet_size)
{
command_context_t *cmd_ctx = connection->cmd_ctx;
length = strtoul(separator + 1, &separator, 16);
xml_printf(&retval, &xml, &pos, &size, "<memory-map>\n");
-
+
+ /*
+ sort banks in ascending order, we need to make non-flash memory be ram(or rather
+ read/write) by default for GDB.
+ GDB does not have a concept of non-cacheable read/write memory.
+ */
+ flash_bank_t **banks=malloc(sizeof(flash_bank_t *)*flash_get_bank_count());
int i;
+
for (i=0; i<flash_get_bank_count(); i++)
{
p = get_flash_bank_by_num(i);
if (p == NULL)
- break;
-
+ {
+ free(banks);
+ retval = ERROR_FAIL;
+ gdb_send_error(connection, retval);
+ return retval;
+ }
+ banks[i]=p;
+ }
+
+ qsort(banks, flash_get_bank_count(), sizeof(flash_bank_t *), compare_bank);
+
+ u32 ram_start=0;
+ for (i=0; i<flash_get_bank_count(); i++)
+ {
+ p = banks[i];
+
+ if (ram_start<p->base)
+ {
+ xml_printf(&retval, &xml, &pos, &size, "<memory type=\"ram\" start=\"0x%x\" length=\"0x%x\"/>\n",
+ ram_start, p->base-ram_start);
+ }
+
/* if device has uneven sector sizes, eg. str7, lpc
* we pass the smallest sector size to gdb memory map */
blocksize = gdb_calc_blocksize(p);
-
+
xml_printf(&retval, &xml, &pos, &size, "<memory type=\"flash\" start=\"0x%x\" length=\"0x%x\">\n" \
"<property name=\"blocksize\">0x%x</property>\n" \
"</memory>\n", \
p->base, p->size, blocksize);
+ ram_start=p->base+p->size;
+ }
+ if (ram_start!=0)
+ {
+ xml_printf(&retval, &xml, &pos, &size, "<memory type=\"ram\" start=\"0x%x\" length=\"0x%x\"/>\n",
+ ram_start, 0-ram_start);
+ } else
+ {
+ /* a flash chip could be at the very end of the 32 bit address space, in which case
+ ram_start will be precisely 0 */
}
+
+ free(banks);
+ banks = NULL;
xml_printf(&retval, &xml, &pos, &size, "</memory-map>\n");
switch( detach_mode )
{
case GDB_DETACH_RESUME:
+ target_invoke_script(connection->cmd_ctx, target, "pre_resume");
target_resume(target, 1, 0, 1, 0);
break;
case GDB_DETACH_RESET:
- target_process_reset(connection->cmd_ctx);
+ /* FIX?? make this configurable?? */
+ target_process_reset(connection->cmd_ctx, RESET_HALT);
break;
case GDB_DETACH_HALT:
gdb_output_con(connection, string);
}
+/* Do not allocate this on the stack */
+char gdb_packet_buffer[GDB_BUFFER_SIZE];
+
int gdb_input_inner(connection_t *connection)
{
gdb_service_t *gdb_service = connection->service->priv;
target_t *target = gdb_service->target;
- char packet[GDB_BUFFER_SIZE];
+ char *packet=gdb_packet_buffer;
int packet_size;
int retval;
gdb_connection_t *gdb_con = connection->priv;
case 'c':
case 's':
{
- /* We're running/stepping, in which case we can
- * forward log output until the target is halted */
- gdb_connection_t *gdb_con = connection->priv;
- gdb_con->frontend_state = TARGET_RUNNING;
- log_add_callback(gdb_log_callback, connection);
- gdb_step_continue_packet(connection, target, packet, packet_size);
+ if (target->state != TARGET_HALTED)
+ {
+ /* If the target isn't in the halted state, then we can't
+ * step/continue. This might be early setup, etc.
+ */
+ char sig_reply[4];
+ snprintf(sig_reply, 4, "T%2.2x", 2);
+ gdb_put_packet(connection, sig_reply, 3);
+ } else
+ {
+ /* We're running/stepping, in which case we can
+ * forward log output until the target is halted
+ */
+ gdb_connection_t *gdb_con = connection->priv;
+ gdb_con->frontend_state = TARGET_RUNNING;
+ log_add_callback(gdb_log_callback, connection);
+ gdb_step_continue_packet(connection, target, packet, packet_size);
+ }
}
break;
case 'v':
break;
case 'R':
/* handle extended restart packet */
- target_process_reset(connection->cmd_ctx);
+ /* fix?? make this configurable? */
+ target_process_reset(connection->cmd_ctx, RESET_HALT);
break;
default:
/* ignore unkown packets */
Code Review / openocd.git / blobdiff