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/* SPDX-License-Identifier: BSD-3-Clause */
#include <commonlib/bsd/elog.h>
#include <stddef.h>
/*
* verify and validate if header is a valid coreboot Event Log header.
* return CB_ERR if invalid, otherwise CB_SUCCESS.
*/
enum cb_err elog_verify_header(const struct elog_header *header)
{
if (header == NULL)
return CB_ERR;
if (header->magic != ELOG_SIGNATURE)
return CB_ERR;
if (header->version != ELOG_VERSION)
return CB_ERR;
if (header->header_size != sizeof(*header))
return CB_ERR;
return CB_SUCCESS;
}
/*
* return the next elog event.
* return NULL if event is invalid.
*/
const struct event_header *elog_get_next_event(const struct event_header *event)
{
if (!event)
return NULL;
/* Point to next event */
return (const struct event_header *)((const void *)(event) + event->length);
}
/* return the data associated to the event_header. */
const void *event_get_data(const struct event_header *event)
{
// Pointing to the next event returns the data, since data is the first field
// right after the header.
return (const void *)(&event[1]);
}
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