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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2019-2020 by Marc Schink <dev@zapb.de>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <helper/log.h>
#include <target/rtt.h>
#include "rtt.h"
#define CHANNEL_NAME_SIZE 128
COMMAND_HANDLER(handle_rtt_setup_command)
{
struct rtt_source source;
if (CMD_ARGC != 3)
return ERROR_COMMAND_SYNTAX_ERROR;
source.find_cb = &target_rtt_find_control_block;
source.read_cb = &target_rtt_read_control_block;
source.start = &target_rtt_start;
source.stop = &target_rtt_stop;
source.read = &target_rtt_read_callback;
source.write = &target_rtt_write_callback;
source.read_channel_info = &target_rtt_read_channel_info;
target_addr_t address;
uint32_t size;
COMMAND_PARSE_NUMBER(target_addr, CMD_ARGV[0], address);
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], size);
rtt_register_source(source, get_current_target(CMD_CTX));
if (rtt_setup(address, size, CMD_ARGV[2]) != ERROR_OK)
return ERROR_FAIL;
return ERROR_OK;
}
COMMAND_HANDLER(handle_rtt_start_command)
{
if (CMD_ARGC > 0)
return ERROR_COMMAND_SYNTAX_ERROR;
if (!rtt_configured()) {
command_print(CMD, "RTT is not configured");
return ERROR_FAIL;
}
return rtt_start();
}
COMMAND_HANDLER(handle_rtt_stop_command)
{
if (CMD_ARGC > 0)
return ERROR_COMMAND_SYNTAX_ERROR;
return rtt_stop();
}
COMMAND_HANDLER(handle_rtt_polling_interval_command)
{
if (CMD_ARGC == 0) {
int ret;
unsigned int interval;
ret = rtt_get_polling_interval(&interval);
if (ret != ERROR_OK) {
command_print(CMD, "Failed to get polling interval");
return ret;
}
command_print(CMD, "%u ms", interval);
} else if (CMD_ARGC == 1) {
int ret;
unsigned int interval;
COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], interval);
ret = rtt_set_polling_interval(interval);
if (ret != ERROR_OK) {
command_print(CMD, "Failed to set polling interval");
return ret;
}
} else {
return ERROR_COMMAND_SYNTAX_ERROR;
}
return ERROR_OK;
}
COMMAND_HANDLER(handle_rtt_channels_command)
{
int ret;
char channel_name[CHANNEL_NAME_SIZE];
const struct rtt_control *ctrl;
struct rtt_channel_info info;
if (!rtt_found_cb()) {
command_print(CMD, "rtt: Control block not available");
return ERROR_FAIL;
}
ctrl = rtt_get_control();
command_print(CMD, "Channels: up=%u, down=%u", ctrl->num_up_channels,
ctrl->num_down_channels);
command_print(CMD, "Up-channels:");
info.name = channel_name;
info.name_length = sizeof(channel_name);
for (unsigned int i = 0; i < ctrl->num_up_channels; i++) {
ret = rtt_read_channel_info(i, RTT_CHANNEL_TYPE_UP, &info);
if (ret != ERROR_OK)
return ret;
if (!info.size)
continue;
command_print(CMD, "%u: %s %u %u", i, info.name, info.size,
info.flags);
}
command_print(CMD, "Down-channels:");
for (unsigned int i = 0; i < ctrl->num_down_channels; i++) {
ret = rtt_read_channel_info(i, RTT_CHANNEL_TYPE_DOWN, &info);
if (ret != ERROR_OK)
return ret;
if (!info.size)
continue;
command_print(CMD, "%u: %s %u %u", i, info.name, info.size,
info.flags);
}
return ERROR_OK;
}
static int jim_channel_list(Jim_Interp *interp, int argc,
Jim_Obj * const *argv)
{
Jim_Obj *list;
Jim_Obj *channel_list;
char channel_name[CHANNEL_NAME_SIZE];
const struct rtt_control *ctrl;
struct rtt_channel_info info;
if (!rtt_found_cb()) {
Jim_SetResultFormatted(interp, "rtt: Control block not available");
return ERROR_FAIL;
}
ctrl = rtt_get_control();
info.name = channel_name;
info.name_length = sizeof(channel_name);
list = Jim_NewListObj(interp, NULL, 0);
channel_list = Jim_NewListObj(interp, NULL, 0);
for (unsigned int i = 0; i < ctrl->num_up_channels; i++) {
int ret;
Jim_Obj *tmp;
ret = rtt_read_channel_info(i, RTT_CHANNEL_TYPE_UP, &info);
if (ret != ERROR_OK)
return ret;
if (!info.size)
continue;
tmp = Jim_NewListObj(interp, NULL, 0);
Jim_ListAppendElement(interp, tmp, Jim_NewStringObj(interp,
"name", -1));
Jim_ListAppendElement(interp, tmp, Jim_NewStringObj(interp,
info.name, -1));
Jim_ListAppendElement(interp, tmp, Jim_NewStringObj(interp,
"size", -1));
Jim_ListAppendElement(interp, tmp, Jim_NewIntObj(interp,
info.size));
Jim_ListAppendElement(interp, tmp, Jim_NewStringObj(interp,
"flags", -1));
Jim_ListAppendElement(interp, tmp, Jim_NewIntObj(interp,
info.flags));
Jim_ListAppendElement(interp, channel_list, tmp);
}
Jim_ListAppendElement(interp, list, channel_list);
channel_list = Jim_NewListObj(interp, NULL, 0);
for (unsigned int i = 0; i < ctrl->num_down_channels; i++) {
int ret;
Jim_Obj *tmp;
ret = rtt_read_channel_info(i, RTT_CHANNEL_TYPE_DOWN, &info);
if (ret != ERROR_OK)
return ret;
if (!info.size)
continue;
tmp = Jim_NewListObj(interp, NULL, 0);
Jim_ListAppendElement(interp, tmp, Jim_NewStringObj(interp,
"name", -1));
Jim_ListAppendElement(interp, tmp, Jim_NewStringObj(interp,
info.name, -1));
Jim_ListAppendElement(interp, tmp, Jim_NewStringObj(interp,
"size", -1));
Jim_ListAppendElement(interp, tmp, Jim_NewIntObj(interp,
info.size));
Jim_ListAppendElement(interp, tmp, Jim_NewStringObj(interp,
"flags", -1));
Jim_ListAppendElement(interp, tmp, Jim_NewIntObj(interp,
info.flags));
Jim_ListAppendElement(interp, channel_list, tmp);
}
Jim_ListAppendElement(interp, list, channel_list);
Jim_SetResult(interp, list);
return JIM_OK;
}
static const struct command_registration rtt_subcommand_handlers[] = {
{
.name = "setup",
.handler = handle_rtt_setup_command,
.mode = COMMAND_ANY,
.help = "setup RTT",
.usage = "<address> <size> <ID>"
},
{
.name = "start",
.handler = handle_rtt_start_command,
.mode = COMMAND_EXEC,
.help = "start RTT",
.usage = ""
},
{
.name = "stop",
.handler = handle_rtt_stop_command,
.mode = COMMAND_EXEC,
.help = "stop RTT",
.usage = ""
},
{
.name = "polling_interval",
.handler = handle_rtt_polling_interval_command,
.mode = COMMAND_EXEC,
.help = "show or set polling interval in ms",
.usage = "[interval]"
},
{
.name = "channels",
.handler = handle_rtt_channels_command,
.mode = COMMAND_EXEC,
.help = "list available channels",
.usage = ""
},
{
.name = "channellist",
.jim_handler = jim_channel_list,
.mode = COMMAND_EXEC,
.help = "list available channels",
.usage = ""
},
COMMAND_REGISTRATION_DONE
};
const struct command_registration rtt_target_command_handlers[] = {
{
.name = "rtt",
.mode = COMMAND_EXEC,
.help = "RTT target commands",
.usage = "",
.chain = rtt_subcommand_handlers
},
COMMAND_REGISTRATION_DONE
};
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