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https://github.com/u-boot/u-boot.git
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b55881ddb4
Allow usage of the bootstage facilities in SPL. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Simon Glass <sjg@chromium.org> Reviewed-by: Simon Glass <sjg@chromium.org>
441 lines
12 KiB
C
441 lines
12 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* This file implements recording of each stage of the boot process. It is
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* intended to implement timing of each stage, reporting this information
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* to the user and passing it to the OS for logging / further analysis.
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* Note that it requires timer_get_boot_us() to be defined by the board
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*
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* Copyright (c) 2011 The Chromium OS Authors.
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*/
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#ifndef _BOOTSTAGE_H
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#define _BOOTSTAGE_H
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#include <linux/kconfig.h>
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/* Flags for each bootstage record */
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enum bootstage_flags {
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BOOTSTAGEF_ERROR = 1 << 0, /* Error record */
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BOOTSTAGEF_ALLOC = 1 << 1, /* Allocate an id */
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};
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/* bootstate sub-IDs used for kernel and ramdisk ranges */
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enum {
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BOOTSTAGE_SUB_FORMAT,
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BOOTSTAGE_SUB_FORMAT_OK,
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BOOTSTAGE_SUB_NO_UNIT_NAME,
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BOOTSTAGE_SUB_UNIT_NAME,
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BOOTSTAGE_SUB_SUBNODE,
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BOOTSTAGE_SUB_CHECK,
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BOOTSTAGE_SUB_HASH = 5,
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BOOTSTAGE_SUB_CHECK_ARCH = 5,
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BOOTSTAGE_SUB_CHECK_ALL,
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BOOTSTAGE_SUB_GET_DATA,
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BOOTSTAGE_SUB_CHECK_ALL_OK = 7,
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BOOTSTAGE_SUB_GET_DATA_OK,
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BOOTSTAGE_SUB_LOAD,
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};
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/*
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* A list of boot stages that we know about. Each of these indicates the
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* state that we are at, and the action that we are about to perform. For
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* errors, we issue an error for an item when it fails. Therefore the
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* normal sequence is:
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*
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* progress action1
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* progress action2
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* progress action3
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*
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* and an error condition where action 3 failed would be:
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*
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* progress action1
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* progress action2
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* progress action3
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* error on action3
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*/
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enum bootstage_id {
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BOOTSTAGE_ID_START = 0,
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BOOTSTAGE_ID_CHECK_MAGIC, /* Checking image magic */
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BOOTSTAGE_ID_CHECK_HEADER, /* Checking image header */
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BOOTSTAGE_ID_CHECK_CHECKSUM, /* Checking image checksum */
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BOOTSTAGE_ID_CHECK_ARCH, /* Checking architecture */
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BOOTSTAGE_ID_CHECK_IMAGETYPE = 5,/* Checking image type */
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BOOTSTAGE_ID_DECOMP_IMAGE, /* Decompressing image */
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BOOTSTAGE_ID_KERNEL_LOADED, /* Kernel has been loaded */
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BOOTSTAGE_ID_DECOMP_UNIMPL = 7, /* Odd decompression algorithm */
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BOOTSTAGE_ID_CHECK_BOOT_OS, /* Calling OS-specific boot function */
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BOOTSTAGE_ID_BOOT_OS_RETURNED, /* Tried to boot OS, but it returned */
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BOOTSTAGE_ID_CHECK_RAMDISK = 9, /* Checking ram disk */
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BOOTSTAGE_ID_RD_MAGIC, /* Checking ram disk magic */
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BOOTSTAGE_ID_RD_HDR_CHECKSUM, /* Checking ram disk heder checksum */
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BOOTSTAGE_ID_RD_CHECKSUM, /* Checking ram disk checksum */
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BOOTSTAGE_ID_COPY_RAMDISK = 12, /* Copying ram disk into place */
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BOOTSTAGE_ID_RAMDISK, /* Checking for valid ramdisk */
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BOOTSTAGE_ID_NO_RAMDISK, /* No ram disk found (not an error) */
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BOOTSTAGE_ID_RUN_OS = 15, /* Exiting U-Boot, entering OS */
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BOOTSTAGE_ID_NEED_RESET = 30,
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BOOTSTAGE_ID_POST_FAIL, /* Post failure */
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BOOTSTAGE_ID_POST_FAIL_R, /* Post failure reported after reloc */
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/*
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* This set is reported only by x86, and the meaning is different. In
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* this case we are reporting completion of a particular stage.
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* This should probably change in the x86 code (which doesn't report
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* errors in any case), but discussion this can perhaps wait until we
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* have a generic board implementation.
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*/
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BOOTSTAGE_ID_BOARD_INIT_R, /* We have relocated */
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BOOTSTAGE_ID_BOARD_GLOBAL_DATA, /* Global data is set up */
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BOOTSTAGE_ID_BOARD_INIT_SEQ, /* We completed the init sequence */
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BOOTSTAGE_ID_BOARD_FLASH, /* We have configured flash banks */
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BOOTSTAGE_ID_BOARD_FLASH_37, /* In case you didn't hear... */
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BOOTSTAGE_ID_BOARD_ENV, /* Environment is relocated & ready */
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BOOTSTAGE_ID_BOARD_PCI, /* PCI is up */
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BOOTSTAGE_ID_BOARD_INTERRUPTS, /* Exceptions / interrupts ready */
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BOOTSTAGE_ID_BOARD_DONE, /* Board init done, off to main loop */
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/* ^^^ here ends the x86 sequence */
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/* Boot stages related to loading a kernel from an IDE device */
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BOOTSTAGE_ID_IDE_START = 41,
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BOOTSTAGE_ID_IDE_ADDR,
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BOOTSTAGE_ID_IDE_BOOT_DEVICE,
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BOOTSTAGE_ID_IDE_TYPE,
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BOOTSTAGE_ID_IDE_PART,
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BOOTSTAGE_ID_IDE_PART_INFO,
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BOOTSTAGE_ID_IDE_PART_TYPE,
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BOOTSTAGE_ID_IDE_PART_READ,
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BOOTSTAGE_ID_IDE_FORMAT,
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BOOTSTAGE_ID_IDE_CHECKSUM, /* 50 */
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BOOTSTAGE_ID_IDE_READ,
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/* Boot stages related to loading a kernel from an NAND device */
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BOOTSTAGE_ID_NAND_PART,
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BOOTSTAGE_ID_NAND_SUFFIX,
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BOOTSTAGE_ID_NAND_BOOT_DEVICE,
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BOOTSTAGE_ID_NAND_HDR_READ = 55,
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BOOTSTAGE_ID_NAND_AVAILABLE = 55,
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BOOTSTAGE_ID_NAND_TYPE = 57,
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BOOTSTAGE_ID_NAND_READ,
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/* Boot stages related to loading a kernel from an network device */
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BOOTSTAGE_ID_NET_CHECKSUM = 60,
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BOOTSTAGE_ID_NET_ETH_START = 64,
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BOOTSTAGE_ID_NET_ETH_INIT,
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BOOTSTAGE_ID_NET_START = 80,
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BOOTSTAGE_ID_NET_NETLOOP_OK,
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BOOTSTAGE_ID_NET_LOADED,
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BOOTSTAGE_ID_NET_DONE_ERR,
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BOOTSTAGE_ID_NET_DONE,
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BOOTSTAGE_ID_FIT_FDT_START = 90,
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/*
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* Boot stages related to loading a FIT image. Some of these are a
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* bit wonky.
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*/
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BOOTSTAGE_ID_FIT_KERNEL_START = 100,
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BOOTSTAGE_ID_FIT_CONFIG = 110,
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BOOTSTAGE_ID_FIT_TYPE,
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BOOTSTAGE_ID_FIT_KERNEL_INFO,
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BOOTSTAGE_ID_FIT_COMPRESSION,
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BOOTSTAGE_ID_FIT_OS,
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BOOTSTAGE_ID_FIT_LOADADDR,
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BOOTSTAGE_ID_OVERWRITTEN,
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/* Next 10 IDs used by BOOTSTAGE_SUB_... */
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BOOTSTAGE_ID_FIT_RD_START = 120, /* Ramdisk stages */
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/* Next 10 IDs used by BOOTSTAGE_SUB_... */
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BOOTSTAGE_ID_FIT_SETUP_START = 130, /* x86 setup stages */
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BOOTSTAGE_ID_IDE_FIT_READ = 140,
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BOOTSTAGE_ID_IDE_FIT_READ_OK,
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BOOTSTAGE_ID_NAND_FIT_READ = 150,
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BOOTSTAGE_ID_NAND_FIT_READ_OK,
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BOOTSTAGE_ID_FIT_LOADABLE_START = 160, /* for Loadable Images */
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/*
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* These boot stages are new, higher level, and not directly related
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* to the old boot progress numbers. They are useful for recording
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* rough boot timing information.
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*/
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BOOTSTAGE_ID_AWAKE,
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BOOTSTAGE_ID_START_TPL,
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BOOTSTAGE_ID_END_TPL,
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BOOTSTAGE_ID_START_SPL,
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BOOTSTAGE_ID_END_SPL,
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BOOTSTAGE_ID_START_UBOOT_F,
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BOOTSTAGE_ID_START_UBOOT_R,
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BOOTSTAGE_ID_USB_START,
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BOOTSTAGE_ID_ETH_START,
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BOOTSTAGE_ID_BOOTP_START,
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BOOTSTAGE_ID_BOOTP_STOP,
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BOOTSTAGE_ID_BOOTM_START,
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BOOTSTAGE_ID_BOOTM_HANDOFF,
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BOOTSTAGE_ID_MAIN_LOOP,
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BOOTSTAGE_ID_ENTER_CLI_LOOP,
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BOOTSTAGE_KERNELREAD_START,
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BOOTSTAGE_KERNELREAD_STOP,
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BOOTSTAGE_ID_BOARD_INIT,
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BOOTSTAGE_ID_BOARD_INIT_DONE,
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BOOTSTAGE_ID_CPU_AWAKE,
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BOOTSTAGE_ID_MAIN_CPU_AWAKE,
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BOOTSTAGE_ID_MAIN_CPU_READY,
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BOOTSTAGE_ID_ACCUM_LCD,
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BOOTSTAGE_ID_ACCUM_SCSI,
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BOOTSTAGE_ID_ACCUM_SPI,
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BOOTSTAGE_ID_ACCUM_DECOMP,
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BOOTSTAGE_ID_ACCUM_OF_LIVE,
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BOOTSTAGE_ID_FPGA_INIT,
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BOOTSTAGE_ID_ACCUM_DM_SPL,
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BOOTSTAGE_ID_ACCUM_DM_F,
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BOOTSTAGE_ID_ACCUM_DM_R,
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BOOTSTAGE_ID_ACCUM_FSP_M,
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BOOTSTAGE_ID_ACCUM_FSP_S,
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BOOTSTAGE_ID_ACCUM_MMAP_SPI,
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/* a few spare for the user, from here */
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BOOTSTAGE_ID_USER,
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BOOTSTAGE_ID_ALLOC,
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};
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/*
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* Return the time since boot in microseconds, This is needed for bootstage
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* and should be defined in CPU- or board-specific code. If undefined then
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* you will get a link error.
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*/
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ulong timer_get_boot_us(void);
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#if defined(USE_HOSTCC) || !CONFIG_IS_ENABLED(SHOW_BOOT_PROGRESS)
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#define show_boot_progress(val) do {} while (0)
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#else
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/**
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* Board code can implement show_boot_progress() if needed.
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*
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* @param val Progress state (enum bootstage_id), or -id if an error
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* has occurred.
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*/
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void show_boot_progress(int val);
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#endif
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#if !defined(USE_HOSTCC)
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#if CONFIG_IS_ENABLED(BOOTSTAGE)
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#define ENABLE_BOOTSTAGE
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#endif
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#endif
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#ifdef ENABLE_BOOTSTAGE
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/* This is the full bootstage implementation */
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/**
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* Relocate existing bootstage records
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*
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* Call this after relocation has happened and after malloc has been initted.
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* We need to copy any pointers in bootstage records that were added pre-
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* relocation, since memory can be overwritten later.
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* @return Always returns 0, to indicate success
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*/
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int bootstage_relocate(void);
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/**
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* Add a new bootstage record
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*
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* @param id Bootstage ID to use (ignored if flags & BOOTSTAGEF_ALLOC)
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* @param name Name of record, or NULL for none
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* @param flags Flags (BOOTSTAGEF_...)
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* @param mark Time to record in this record, in microseconds
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*/
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ulong bootstage_add_record(enum bootstage_id id, const char *name,
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int flags, ulong mark);
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/**
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* Mark a time stamp for the current boot stage.
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*/
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ulong bootstage_mark(enum bootstage_id id);
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ulong bootstage_error(enum bootstage_id id);
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ulong bootstage_mark_name(enum bootstage_id id, const char *name);
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/**
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* Mark a time stamp in the given function and line number
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*
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* See BOOTSTAGE_MARKER() for a convenient macro.
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*
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* @param file Filename to record (NULL if none)
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* @param func Function name to record
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* @param linenum Line number to record
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* @return recorded time stamp
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*/
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ulong bootstage_mark_code(const char *file, const char *func,
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int linenum);
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/**
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* Mark the start of a bootstage activity. The end will be marked later with
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* bootstage_accum() and at that point we accumulate the time taken. Calling
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* this function turns the given id into a accumulator rather than and
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* absolute mark in time. Accumulators record the total amount of time spent
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* in an activty during boot.
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*
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* @param id Bootstage id to record this timestamp against
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* @param name Textual name to display for this id in the report (maybe NULL)
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* @return start timestamp in microseconds
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*/
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uint32_t bootstage_start(enum bootstage_id id, const char *name);
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/**
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* Mark the end of a bootstage activity
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*
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* After previously marking the start of an activity with bootstage_start(),
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* call this function to mark the end. You can call these functions in pairs
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* as many times as you like.
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*
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* @param id Bootstage id to record this timestamp against
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* @return time spent in this iteration of the activity (i.e. the time now
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* less the start time recorded in the last bootstage_start() call
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* with this id.
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*/
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uint32_t bootstage_accum(enum bootstage_id id);
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/* Print a report about boot time */
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void bootstage_report(void);
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/**
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* Add bootstage information to the device tree
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*
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* @return 0 if ok, -ve on error
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*/
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int bootstage_fdt_add_report(void);
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/**
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* Stash bootstage data into memory
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*
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* @param base Base address of memory buffer
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* @param size Size of memory buffer
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* @return 0 if stashed ok, -1 if out of space
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*/
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int bootstage_stash(void *base, int size);
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/**
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* Read bootstage data from memory
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*
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* Bootstage data is read from memory and placed in the bootstage table
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* in the user records.
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*
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* @param base Base address of memory buffer
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* @param size Size of memory buffer (-1 if unknown)
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* @return 0 if unstashed ok, -ENOENT if bootstage info not found, -ENOSPC if
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* there is not space for read the stashed data, or other error if
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* something else went wrong
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*/
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int bootstage_unstash(const void *base, int size);
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/**
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* bootstage_get_size() - Get the size of the bootstage data
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*
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* @return size of boostage data in bytes
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*/
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int bootstage_get_size(void);
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/**
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* bootstage_init() - Prepare bootstage for use
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*
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* @first: true if this is the first time bootstage is set up. This causes it
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* to add a 'reset' record with a time of 0.
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*/
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int bootstage_init(bool first);
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#else
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static inline ulong bootstage_add_record(enum bootstage_id id,
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const char *name, int flags, ulong mark)
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{
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return 0;
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}
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/*
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* This is a dummy implementation which just calls show_boot_progress(),
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* and won't even do that unless CONFIG_SHOW_BOOT_PROGRESS is defined
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*/
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static inline int bootstage_relocate(void)
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{
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return 0;
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}
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static inline ulong bootstage_mark(enum bootstage_id id)
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{
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show_boot_progress(id);
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return 0;
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}
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static inline ulong bootstage_error(enum bootstage_id id)
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{
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show_boot_progress(-id);
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return 0;
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}
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static inline ulong bootstage_mark_name(enum bootstage_id id, const char *name)
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{
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show_boot_progress(id);
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return 0;
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}
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static inline ulong bootstage_mark_code(const char *file, const char *func,
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int linenum)
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{
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return 0;
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}
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static inline uint32_t bootstage_start(enum bootstage_id id, const char *name)
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{
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return 0;
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}
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static inline uint32_t bootstage_accum(enum bootstage_id id)
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{
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return 0;
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}
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static inline int bootstage_stash(void *base, int size)
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{
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return 0; /* Pretend to succeed */
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}
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static inline int bootstage_unstash(const void *base, int size)
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{
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return 0; /* Pretend to succeed */
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}
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static inline int bootstage_get_size(void)
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{
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return 0;
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}
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static inline int bootstage_init(bool first)
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{
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return 0;
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}
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#endif /* ENABLE_BOOTSTAGE */
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/* Helper macro for adding a bootstage to a line of code */
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#define BOOTSTAGE_MARKER() \
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bootstage_mark_code(__FILE__, __func__, __LINE__)
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#endif
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