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/*
* This file implements recording of each stage of the boot process. It is
* intended to implement timing of each stage, reporting this information
* to the user and passing it to the OS for logging / further analysis.
*
* Copyright (c) 2011 The Chromium OS Authors.
* See file CREDITS for list of people who contributed to this
* project.
*
* 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
*/
#ifndef _BOOTSTAGE_H
#define _BOOTSTAGE_H
/* The number of boot stage records available for the user */
#ifndef CONFIG_BOOTSTAGE_USER_COUNT
#define CONFIG_BOOTSTAGE_USER_COUNT 20
#endif
/*
* A list of boot stages that we know about. Each of these indicates the
* state that we are at, and the action that we are about to perform. For
* errors, we issue an error for an item when it fails. Therefore the
* normal sequence is:
*
* progress action1
* progress action2
* progress action3
*
* and an error condition where action 3 failed would be:
*
* progress action1
* progress action2
* progress action3
* error on action3
*/
enum bootstage_id {
BOOTSTAGE_ID_START = 0,
BOOTSTAGE_ID_CHECK_MAGIC, /* Checking image magic */
BOOTSTAGE_ID_CHECK_HEADER, /* Checking image header */
BOOTSTAGE_ID_CHECK_CHECKSUM, /* Checking image checksum */
BOOTSTAGE_ID_CHECK_ARCH, /* Checking architecture */
BOOTSTAGE_ID_CHECK_IMAGETYPE = 5,/* Checking image type */
BOOTSTAGE_ID_DECOMP_IMAGE, /* Decompressing image */
BOOTSTAGE_ID_KERNEL_LOADED, /* Kernel has been loaded */
BOOTSTAGE_ID_DECOMP_UNIMPL = 7, /* Odd decompression algorithm */
BOOTSTAGE_ID_CHECK_BOOT_OS, /* Calling OS-specific boot function */
BOOTSTAGE_ID_BOOT_OS_RETURNED, /* Tried to boot OS, but it returned */
BOOTSTAGE_ID_CHECK_RAMDISK = 9, /* Checking ram disk */
BOOTSTAGE_ID_RD_MAGIC, /* Checking ram disk magic */
BOOTSTAGE_ID_RD_HDR_CHECKSUM, /* Checking ram disk heder checksum */
BOOTSTAGE_ID_RD_CHECKSUM, /* Checking ram disk checksum */
BOOTSTAGE_ID_COPY_RAMDISK = 12, /* Copying ram disk into place */
BOOTSTAGE_ID_RAMDISK, /* Checking for valid ramdisk */
BOOTSTAGE_ID_NO_RAMDISK, /* No ram disk found (not an error) */
BOOTSTAGE_ID_RUN_OS = 15, /* Exiting U-Boot, entering OS */
BOOTSTAGE_ID_NEED_RESET = 30,
BOOTSTAGE_ID_POST_FAIL, /* Post failure */
BOOTSTAGE_ID_POST_FAIL_R, /* Post failure reported after reloc */
/*
* This set is reported ony by x86, and the meaning is different. In
* this case we are reporting completion of a particular stage.
* This should probably change in he x86 code (which doesn't report
* errors in any case), but discussion this can perhaps wait until we
* have a generic board implementation.
*/
BOOTSTAGE_ID_BOARD_INIT_R, /* We have relocated */
BOOTSTAGE_ID_BOARD_GLOBAL_DATA, /* Global data is set up */
BOOTSTAGE_ID_BOARD_INIT_SEQ, /* We completed the init sequence */
BOOTSTAGE_ID_BOARD_FLASH, /* We have configured flash banks */
BOOTSTAGE_ID_BOARD_FLASH_37, /* In case you didn't hear... */
BOOTSTAGE_ID_BOARD_ENV, /* Environment is relocated & ready */
BOOTSTAGE_ID_BOARD_PCI, /* PCI is up */
BOOTSTAGE_ID_BOARD_INTERRUPTS, /* Exceptions / interrupts ready */
BOOTSTAGE_ID_BOARD_DONE, /* Board init done, off to main loop */
/* ^^^ here ends the x86 sequence */
/* Boot stages related to loading a kernel from an IDE device */
BOOTSTAGE_ID_IDE_START = 41,
BOOTSTAGE_ID_IDE_ADDR,
BOOTSTAGE_ID_IDE_BOOT_DEVICE,
BOOTSTAGE_ID_IDE_TYPE,
BOOTSTAGE_ID_IDE_PART,
BOOTSTAGE_ID_IDE_PART_INFO,
BOOTSTAGE_ID_IDE_PART_TYPE,
BOOTSTAGE_ID_IDE_PART_READ,
BOOTSTAGE_ID_IDE_FORMAT,
BOOTSTAGE_ID_IDE_CHECKSUM, /* 50 */
BOOTSTAGE_ID_IDE_READ,
/* Boot stages related to loading a kernel from an NAND device */
BOOTSTAGE_ID_NAND_PART,
BOOTSTAGE_ID_NAND_SUFFIX,
BOOTSTAGE_ID_NAND_BOOT_DEVICE,
BOOTSTAGE_ID_NAND_HDR_READ = 55,
BOOTSTAGE_ID_NAND_AVAILABLE = 55,
BOOTSTAGE_ID_NAND_TYPE = 57,
BOOTSTAGE_ID_NAND_READ,
/* Boot stages related to loading a kernel from an network device */
BOOTSTAGE_ID_NET_CHECKSUM = 60,
BOOTSTAGE_ID_NET_ETH_START = 64,
BOOTSTAGE_ID_NET_ETH_INIT,
BOOTSTAGE_ID_NET_START = 80,
BOOTSTAGE_ID_NET_NETLOOP_OK,
BOOTSTAGE_ID_NET_LOADED,
BOOTSTAGE_ID_NET_DONE_ERR,
BOOTSTAGE_ID_NET_DONE,
/*
* Boot stages related to loading a FIT image. Some of these are a
* bit wonky.
*/
BOOTSTAGE_ID_FIT_FORMAT = 100,
BOOTSTAGE_ID_FIT_NO_UNIT_NAME,
BOOTSTAGE_ID_FIT_UNIT_NAME,
BOOTSTAGE_ID_FIT_CONFIG,
BOOTSTAGE_ID_FIT_CHECK_SUBIMAGE,
BOOTSTAGE_ID_FIT_CHECK_HASH = 104,
BOOTSTAGE_ID_FIT_CHECK_ARCH,
BOOTSTAGE_ID_FIT_CHECK_KERNEL,
BOOTSTAGE_ID_FIT_CHECKED,
BOOTSTAGE_ID_FIT_KERNEL_INFO_ERR = 107,
BOOTSTAGE_ID_FIT_KERNEL_INFO,
BOOTSTAGE_ID_FIT_TYPE,
BOOTSTAGE_ID_FIT_COMPRESSION,
BOOTSTAGE_ID_FIT_OS,
BOOTSTAGE_ID_FIT_LOADADDR,
BOOTSTAGE_ID_OVERWRITTEN,
BOOTSTAGE_ID_FIT_RD_FORMAT = 120,
BOOTSTAGE_ID_FIT_RD_FORMAT_OK,
BOOTSTAGE_ID_FIT_RD_NO_UNIT_NAME,
BOOTSTAGE_ID_FIT_RD_UNIT_NAME,
BOOTSTAGE_ID_FIT_RD_SUBNODE,
BOOTSTAGE_ID_FIT_RD_CHECK,
BOOTSTAGE_ID_FIT_RD_HASH = 125,
BOOTSTAGE_ID_FIT_RD_CHECK_ALL,
BOOTSTAGE_ID_FIT_RD_GET_DATA,
BOOTSTAGE_ID_FIT_RD_CHECK_ALL_OK = 127,
BOOTSTAGE_ID_FIT_RD_GET_DATA_OK,
BOOTSTAGE_ID_FIT_RD_LOAD,
BOOTSTAGE_ID_IDE_FIT_READ = 140,
BOOTSTAGE_ID_IDE_FIT_READ_OK,
BOOTSTAGE_ID_NAND_FIT_READ = 150,
BOOTSTAGE_ID_NAND_FIT_READ_OK,
/*
* These boot stages are new, higher level, and not directly related
* to the old boot progress numbers. They are useful for recording
* rough boot timing information.
*/
BOOTSTAGE_ID_AWAKE,
BOOTSTAGE_ID_START_UBOOT_F,
BOOTSTAGE_ID_START_UBOOT_R,
BOOTSTAGE_ID_USB_START,
BOOTSTAGE_ID_ETH_START,
BOOTSTAGE_ID_BOOTP_START,
BOOTSTAGE_ID_BOOTP_STOP,
BOOTSTAGE_ID_BOOTM_START,
BOOTSTAGE_ID_BOOTM_HANDOFF,
BOOTSTAGE_ID_MAIN_LOOP,
BOOTSTAGE_KERNELREAD_START,
BOOTSTAGE_KERNELREAD_STOP,
BOOTSTAGE_ID_CPU_AWAKE,
BOOTSTAGE_ID_MAIN_CPU_AWAKE,
BOOTSTAGE_ID_MAIN_CPU_READY,
/* a few spare for the user, from here */
BOOTSTAGE_ID_USER,
BOOTSTAGE_ID_COUNT = BOOTSTAGE_ID_USER + CONFIG_BOOTSTAGE_USER_COUNT,
BOOTSTAGE_ID_ALLOC,
};
/*
* Return the time since boot in microseconds, This is needed for bootstage
* and should be defined in CPU- or board-specific code. If undefined then
* millisecond resolution will be used (the standard get_timer()).
*/
ulong timer_get_boot_us(void);
/*
* Board code can implement show_boot_progress() if needed.
*
* @param val Progress state (enum bootstage_id), or -id if an error
* has occurred.
*/
void show_boot_progress(int val);
#ifdef CONFIG_BOOTSTAGE
/* This is the full bootstage implementation */
/*
* Mark a time stamp for the current boot stage.
*/
ulong bootstage_mark(enum bootstage_id id);
ulong bootstage_error(enum bootstage_id id);
ulong bootstage_mark_name(enum bootstage_id id, const char *name);
/* Print a report about boot time */
void bootstage_report(void);
#else
/*
* This is a dummy implementation which just calls show_boot_progress(),
* and won't even do that unless CONFIG_SHOW_BOOT_PROGRESS is defined
*/
static inline ulong bootstage_mark(enum bootstage_id id)
{
show_boot_progress(id);
return 0;
}
static inline ulong bootstage_error(enum bootstage_id id)
{
show_boot_progress(-id);
return 0;
}
static inline ulong bootstage_mark_name(enum bootstage_id id, const char *name)
{
return 0;
}
#endif /* CONFIG_BOOTSTAGE */
#endif
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