src/debug/netboot.c

/*
 * Copyright 2014 Google Inc.
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <stdio.h>
#include <string.h>

#include "drivers/console/display.h"
#include "net/gigaboot/gigaboot.h"
#include "net/netboot/netboot.h"
#include "net/netboot/params.h"

/*
 * These are the real implementations for developer-build features that override
 * the symbols from stubs.c. They must never be linked into production images!
 */

GigabootBuffer *gigaboot_get_buffer(const char *name, size_t size)
{
	static GigabootBuffer kernel = {
		.data = (void *)(uintptr_t)CONFIG_KERNEL_START,
		.size = CONFIG_KERNEL_SIZE,
	};

	static char cmdline_buf[4096];
	static GigabootBuffer cmdline = {
		.data = cmdline_buf,
		.size = sizeof(cmdline_buf),
	};

	if (!strcmp(name, gigaboot_buffer_kernel))
		return &kernel;
	if (!strcmp(name, gigaboot_buffer_cmdline))
		return &cmdline;
	return NULL;
}

void dc_dev_netboot(void)
{
	if (CONFIG_DRIVER_CONSOLE_DISPLAY)
		display_console_attach();

	if (CONFIG_GIGABOOT)
		gigaboot();
	else
		netboot(NULL, 0);
}