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/*
* Copyright (C) ST-Ericsson SA 2009-2010
*
* Author: Jonas Aaberg <jonas.aberg@stericsson.com> for ST-Ericsson
*
* License terms: GNU General Public License (GPL) version 2
*
* Store boot times measured during for example u-boot startup.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/boottime.h>
#include <linux/string.h>
#include <asm/setup.h>
static u32 bootloader_idle;
static u32 bootloader_total;
static int __init boottime_parse_tag(const struct tag *tag)
{
int i;
char buff[BOOTTIME_MAX_NAME_LEN];
bootloader_idle = tag->u.boottime.idle;
bootloader_total = tag->u.boottime.total;
for (i = 0; i < tag->u.boottime.num; i++) {
snprintf(buff, BOOTTIME_MAX_NAME_LEN, "%s+0x0/0x0",
tag->u.boottime.entry[i].name);
buff[BOOTTIME_MAX_NAME_LEN - 1] = '\0';
boottime_mark_wtime(buff, tag->u.boottime.entry[i].time);
}
return 0;
}
__tagtable(ATAG_BOOTTIME, boottime_parse_tag);
int boottime_bootloader_idle(void)
{
if (bootloader_total == 0)
return 0;
return (int) ((bootloader_idle) / (bootloader_total / 100));
}
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