target.c

/*
 * This file is part of the Black Magic Debug project.
 *
 * Copyright (C) 2012  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/>.
 */

#include "general.h"
#include "target.h"

target *target_list = NULL;
bool connect_assert_srst;

target *target_new(unsigned size)
{
	target *t = (void*)calloc(1, size);
	t->next = target_list;
	target_list = t;

	return t;
}

void target_list_free(void)
{
	struct target_command_s *tc;

	while(target_list) {
		target *t = target_list->next;
		if (target_list->destroy_callback)
			target_list->destroy_callback(target_list);
		if (target_list->priv)
			target_list->priv_free(target_list->priv);
		while (target_list->commands) {
			tc = target_list->commands->next;
			free(target_list->commands);
			target_list->commands = tc;
		}
		free(target_list);
		target_list = t;
	}
}

void target_add_commands(target *t, const struct command_s *cmds, const char *name)
{
	struct target_command_s *tc;
	if (t->commands) {
		for (tc = t->commands; tc->next; tc = tc->next);
		tc = tc->next = malloc(sizeof(*tc));
	} else {
		t->commands = tc = malloc(sizeof(*tc));
	}
	tc->specific_name = name;
	tc->cmds = cmds;
	tc->next = NULL;
}

target *target_attach(target *t, target_destroy_callback destroy_cb)
{
	if (t->destroy_callback)
		t->destroy_callback(t);

	t->destroy_callback = destroy_cb;

	if (!t->attach(t))
		return NULL;

	return t;
}