mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-05 12:45:42 +00:00
351 lines
10 KiB
C
351 lines
10 KiB
C
/*
|
|
* 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
|
|
|
|
/* Flags for each bootstage record */
|
|
enum bootstage_flags {
|
|
BOOTSTAGEF_ERROR = 1 << 0, /* Error record */
|
|
BOOTSTAGEF_ALLOC = 1 << 1, /* Allocate an id */
|
|
};
|
|
|
|
/*
|
|
* 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_SPL,
|
|
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_BOARD_INIT,
|
|
BOOTSTAGE_ID_BOARD_INIT_DONE,
|
|
|
|
BOOTSTAGE_ID_CPU_AWAKE,
|
|
BOOTSTAGE_ID_MAIN_CPU_AWAKE,
|
|
BOOTSTAGE_ID_MAIN_CPU_READY,
|
|
|
|
BOOTSTAGE_ID_ACCUM_LCD,
|
|
|
|
/* 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);
|
|
|
|
#ifndef CONFIG_SPL_BUILD
|
|
/*
|
|
* 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);
|
|
#else
|
|
#define show_boot_progress(val) do {} while (0)
|
|
#endif
|
|
|
|
#if defined(CONFIG_BOOTSTAGE) && !defined(CONFIG_SPL_BUILD)
|
|
/* This is the full bootstage implementation */
|
|
|
|
/**
|
|
* Add a new bootstage record
|
|
*
|
|
* @param id Bootstage ID to use (ignored if flags & BOOTSTAGEF_ALLOC)
|
|
* @param name Name of record, or NULL for none
|
|
* @param flags Flags (BOOTSTAGEF_...)
|
|
* @param mark Time to record in this record, in microseconds
|
|
*/
|
|
ulong bootstage_add_record(enum bootstage_id id, const char *name,
|
|
int flags, ulong mark);
|
|
|
|
/*
|
|
* 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);
|
|
|
|
/**
|
|
* Mark the start of a bootstage activity. The end will be marked later with
|
|
* bootstage_accum() and at that point we accumulate the time taken. Calling
|
|
* this function turns the given id into a accumulator rather than and
|
|
* absolute mark in time. Accumulators record the total amount of time spent
|
|
* in an activty during boot.
|
|
*
|
|
* @param id Bootstage id to record this timestamp against
|
|
* @param name Textual name to display for this id in the report (maybe NULL)
|
|
* @return start timestamp in microseconds
|
|
*/
|
|
uint32_t bootstage_start(enum bootstage_id id, const char *name);
|
|
|
|
/**
|
|
* Mark the end of a bootstage activity
|
|
*
|
|
* After previously marking the start of an activity with bootstage_start(),
|
|
* call this function to mark the end. You can call these functions in pairs
|
|
* as many times as you like.
|
|
*
|
|
* @param id Bootstage id to record this timestamp against
|
|
* @return time spent in this iteration of the activity (i.e. the time now
|
|
* less the start time recorded in the last bootstage_start() call
|
|
* with this id.
|
|
*/
|
|
uint32_t bootstage_accum(enum bootstage_id id);
|
|
|
|
/* Print a report about boot time */
|
|
void bootstage_report(void);
|
|
|
|
/**
|
|
* Add bootstage information to the device tree
|
|
*
|
|
* @return 0 if ok, -ve on error
|
|
*/
|
|
int bootstage_fdt_add_report(void);
|
|
|
|
/*
|
|
* Stash bootstage data into memory
|
|
*
|
|
* @param base Base address of memory buffer
|
|
* @param size Size of memory buffer
|
|
* @return 0 if stashed ok, -1 if out of space
|
|
*/
|
|
int bootstage_stash(void *base, int size);
|
|
|
|
/**
|
|
* Read bootstage data from memory
|
|
*
|
|
* Bootstage data is read from memory and placed in the bootstage table
|
|
* in the user records.
|
|
*
|
|
* @param base Base address of memory buffer
|
|
* @param size Size of memory buffer (-1 if unknown)
|
|
* @return 0 if unstashed ok, -1 if bootstage info not found, or out of space
|
|
*/
|
|
int bootstage_unstash(void *base, int size);
|
|
|
|
#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;
|
|
}
|
|
|
|
static inline int bootstage_stash(void *base, int size)
|
|
{
|
|
return 0; /* Pretend to succeed */
|
|
}
|
|
|
|
static inline int bootstage_unstash(void *base, int size)
|
|
{
|
|
return 0; /* Pretend to succeed */
|
|
}
|
|
#endif /* CONFIG_BOOTSTAGE */
|
|
|
|
#endif
|