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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2014 The ChromiumOS Authors. All rights reserved.
*
* 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; version 2 of the License.
*
* 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.
*/
#include <cbfs.h>
#include <cbmem.h>
#include <console/console.h>
#include <reset.h>
#include "../chromeos.h"
#include "../symbols.h"
#include "../vboot_handoff.h"
#include "misc.h"
static const size_t vb_work_buf_size = 16 * KiB;
struct vb2_working_data * const vboot_get_working_data(void)
{
if (IS_ENABLED(CONFIG_VBOOT_DYNAMIC_WORK_BUFFER))
/* cbmem_add() does a cbmem_find() first. */
return cbmem_add(CBMEM_ID_VBOOT_WORKBUF, vb_work_buf_size);
else
return (struct vb2_working_data *)_vboot2_work;
}
size_t vb2_working_data_size(void)
{
if (IS_ENABLED(CONFIG_VBOOT_DYNAMIC_WORK_BUFFER))
return vb_work_buf_size;
else
return _vboot2_work_size;
}
void *vboot_get_work_buffer(struct vb2_working_data *wd)
{
return (void *)((uintptr_t)wd + wd->buffer_offset);
}
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