1 /* 2 * This file implements recording of each stage of the boot process. It is 3 * intended to implement timing of each stage, reporting this information 4 * to the user and passing it to the OS for logging / further analysis. 5 * 6 * Copyright (c) 2011 The Chromium OS Authors. 7 * See file CREDITS for list of people who contributed to this 8 * project. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License as 12 * published by the Free Software Foundation; either version 2 of 13 * the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 23 * MA 02111-1307 USA 24 */ 25 26 #ifndef _BOOTSTAGE_H 27 #define _BOOTSTAGE_H 28 29 /* The number of boot stage records available for the user */ 30 #ifndef CONFIG_BOOTSTAGE_USER_COUNT 31 #define CONFIG_BOOTSTAGE_USER_COUNT 20 32 #endif 33 34 /* 35 * A list of boot stages that we know about. Each of these indicates the 36 * state that we are at, and the action that we are about to perform. For 37 * errors, we issue an error for an item when it fails. Therefore the 38 * normal sequence is: 39 * 40 * progress action1 41 * progress action2 42 * progress action3 43 * 44 * and an error condition where action 3 failed would be: 45 * 46 * progress action1 47 * progress action2 48 * progress action3 49 * error on action3 50 */ 51 enum bootstage_id { 52 BOOTSTAGE_ID_START = 0, 53 BOOTSTAGE_ID_CHECK_MAGIC, /* Checking image magic */ 54 BOOTSTAGE_ID_CHECK_HEADER, /* Checking image header */ 55 BOOTSTAGE_ID_CHECK_CHECKSUM, /* Checking image checksum */ 56 BOOTSTAGE_ID_CHECK_ARCH, /* Checking architecture */ 57 58 BOOTSTAGE_ID_CHECK_IMAGETYPE = 5,/* Checking image type */ 59 BOOTSTAGE_ID_DECOMP_IMAGE, /* Decompressing image */ 60 BOOTSTAGE_ID_KERNEL_LOADED, /* Kernel has been loaded */ 61 BOOTSTAGE_ID_DECOMP_UNIMPL = 7, /* Odd decompression algorithm */ 62 BOOTSTAGE_ID_CHECK_BOOT_OS, /* Calling OS-specific boot function */ 63 BOOTSTAGE_ID_BOOT_OS_RETURNED, /* Tried to boot OS, but it returned */ 64 BOOTSTAGE_ID_CHECK_RAMDISK = 9, /* Checking ram disk */ 65 66 BOOTSTAGE_ID_RD_MAGIC, /* Checking ram disk magic */ 67 BOOTSTAGE_ID_RD_HDR_CHECKSUM, /* Checking ram disk heder checksum */ 68 BOOTSTAGE_ID_RD_CHECKSUM, /* Checking ram disk checksum */ 69 BOOTSTAGE_ID_COPY_RAMDISK = 12, /* Copying ram disk into place */ 70 BOOTSTAGE_ID_RAMDISK, /* Checking for valid ramdisk */ 71 BOOTSTAGE_ID_NO_RAMDISK, /* No ram disk found (not an error) */ 72 73 BOOTSTAGE_ID_RUN_OS = 15, /* Exiting U-Boot, entering OS */ 74 75 BOOTSTAGE_ID_NEED_RESET = 30, 76 BOOTSTAGE_ID_POST_FAIL, /* Post failure */ 77 BOOTSTAGE_ID_POST_FAIL_R, /* Post failure reported after reloc */ 78 79 /* 80 * This set is reported ony by x86, and the meaning is different. In 81 * this case we are reporting completion of a particular stage. 82 * This should probably change in he x86 code (which doesn't report 83 * errors in any case), but discussion this can perhaps wait until we 84 * have a generic board implementation. 85 */ 86 BOOTSTAGE_ID_BOARD_INIT_R, /* We have relocated */ 87 BOOTSTAGE_ID_BOARD_GLOBAL_DATA, /* Global data is set up */ 88 89 BOOTSTAGE_ID_BOARD_INIT_SEQ, /* We completed the init sequence */ 90 BOOTSTAGE_ID_BOARD_FLASH, /* We have configured flash banks */ 91 BOOTSTAGE_ID_BOARD_FLASH_37, /* In case you didn't hear... */ 92 BOOTSTAGE_ID_BOARD_ENV, /* Environment is relocated & ready */ 93 BOOTSTAGE_ID_BOARD_PCI, /* PCI is up */ 94 95 BOOTSTAGE_ID_BOARD_INTERRUPTS, /* Exceptions / interrupts ready */ 96 BOOTSTAGE_ID_BOARD_DONE, /* Board init done, off to main loop */ 97 /* ^^^ here ends the x86 sequence */ 98 99 /* Boot stages related to loading a kernel from an IDE device */ 100 BOOTSTAGE_ID_IDE_START = 41, 101 BOOTSTAGE_ID_IDE_ADDR, 102 BOOTSTAGE_ID_IDE_BOOT_DEVICE, 103 BOOTSTAGE_ID_IDE_TYPE, 104 105 BOOTSTAGE_ID_IDE_PART, 106 BOOTSTAGE_ID_IDE_PART_INFO, 107 BOOTSTAGE_ID_IDE_PART_TYPE, 108 BOOTSTAGE_ID_IDE_PART_READ, 109 BOOTSTAGE_ID_IDE_FORMAT, 110 111 BOOTSTAGE_ID_IDE_CHECKSUM, /* 50 */ 112 BOOTSTAGE_ID_IDE_READ, 113 114 /* Boot stages related to loading a kernel from an NAND device */ 115 BOOTSTAGE_ID_NAND_PART, 116 BOOTSTAGE_ID_NAND_SUFFIX, 117 BOOTSTAGE_ID_NAND_BOOT_DEVICE, 118 BOOTSTAGE_ID_NAND_HDR_READ = 55, 119 BOOTSTAGE_ID_NAND_AVAILABLE = 55, 120 BOOTSTAGE_ID_NAND_TYPE = 57, 121 BOOTSTAGE_ID_NAND_READ, 122 123 /* Boot stages related to loading a kernel from an network device */ 124 BOOTSTAGE_ID_NET_CHECKSUM = 60, 125 BOOTSTAGE_ID_NET_ETH_START = 64, 126 BOOTSTAGE_ID_NET_ETH_INIT, 127 128 BOOTSTAGE_ID_NET_START = 80, 129 BOOTSTAGE_ID_NET_NETLOOP_OK, 130 BOOTSTAGE_ID_NET_LOADED, 131 BOOTSTAGE_ID_NET_DONE_ERR, 132 BOOTSTAGE_ID_NET_DONE, 133 134 /* 135 * Boot stages related to loading a FIT image. Some of these are a 136 * bit wonky. 137 */ 138 BOOTSTAGE_ID_FIT_FORMAT = 100, 139 BOOTSTAGE_ID_FIT_NO_UNIT_NAME, 140 BOOTSTAGE_ID_FIT_UNIT_NAME, 141 BOOTSTAGE_ID_FIT_CONFIG, 142 BOOTSTAGE_ID_FIT_CHECK_SUBIMAGE, 143 BOOTSTAGE_ID_FIT_CHECK_HASH = 104, 144 145 BOOTSTAGE_ID_FIT_CHECK_ARCH, 146 BOOTSTAGE_ID_FIT_CHECK_KERNEL, 147 BOOTSTAGE_ID_FIT_CHECKED, 148 149 BOOTSTAGE_ID_FIT_KERNEL_INFO_ERR = 107, 150 BOOTSTAGE_ID_FIT_KERNEL_INFO, 151 BOOTSTAGE_ID_FIT_TYPE, 152 153 BOOTSTAGE_ID_FIT_COMPRESSION, 154 BOOTSTAGE_ID_FIT_OS, 155 BOOTSTAGE_ID_FIT_LOADADDR, 156 BOOTSTAGE_ID_OVERWRITTEN, 157 158 BOOTSTAGE_ID_FIT_RD_FORMAT = 120, 159 BOOTSTAGE_ID_FIT_RD_FORMAT_OK, 160 BOOTSTAGE_ID_FIT_RD_NO_UNIT_NAME, 161 BOOTSTAGE_ID_FIT_RD_UNIT_NAME, 162 BOOTSTAGE_ID_FIT_RD_SUBNODE, 163 164 BOOTSTAGE_ID_FIT_RD_CHECK, 165 BOOTSTAGE_ID_FIT_RD_HASH = 125, 166 BOOTSTAGE_ID_FIT_RD_CHECK_ALL, 167 BOOTSTAGE_ID_FIT_RD_GET_DATA, 168 BOOTSTAGE_ID_FIT_RD_CHECK_ALL_OK = 127, 169 BOOTSTAGE_ID_FIT_RD_GET_DATA_OK, 170 BOOTSTAGE_ID_FIT_RD_LOAD, 171 172 BOOTSTAGE_ID_IDE_FIT_READ = 140, 173 BOOTSTAGE_ID_IDE_FIT_READ_OK, 174 175 BOOTSTAGE_ID_NAND_FIT_READ = 150, 176 BOOTSTAGE_ID_NAND_FIT_READ_OK, 177 178 /* 179 * These boot stages are new, higher level, and not directly related 180 * to the old boot progress numbers. They are useful for recording 181 * rough boot timing information. 182 */ 183 BOOTSTAGE_ID_AWAKE, 184 BOOTSTAGE_ID_START_UBOOT_F, 185 BOOTSTAGE_ID_START_UBOOT_R, 186 BOOTSTAGE_ID_USB_START, 187 BOOTSTAGE_ID_ETH_START, 188 BOOTSTAGE_ID_BOOTP_START, 189 BOOTSTAGE_ID_BOOTP_STOP, 190 BOOTSTAGE_ID_BOOTM_START, 191 BOOTSTAGE_ID_BOOTM_HANDOFF, 192 BOOTSTAGE_ID_MAIN_LOOP, 193 BOOTSTAGE_KERNELREAD_START, 194 BOOTSTAGE_KERNELREAD_STOP, 195 196 BOOTSTAGE_ID_CPU_AWAKE, 197 BOOTSTAGE_ID_MAIN_CPU_AWAKE, 198 BOOTSTAGE_ID_MAIN_CPU_READY, 199 200 /* a few spare for the user, from here */ 201 BOOTSTAGE_ID_USER, 202 BOOTSTAGE_ID_COUNT = BOOTSTAGE_ID_USER + CONFIG_BOOTSTAGE_USER_COUNT, 203 BOOTSTAGE_ID_ALLOC, 204 }; 205 206 /* 207 * Return the time since boot in microseconds, This is needed for bootstage 208 * and should be defined in CPU- or board-specific code. If undefined then 209 * millisecond resolution will be used (the standard get_timer()). 210 */ 211 ulong timer_get_boot_us(void); 212 213 /* 214 * Board code can implement show_boot_progress() if needed. 215 * 216 * @param val Progress state (enum bootstage_id), or -id if an error 217 * has occurred. 218 */ 219 void show_boot_progress(int val); 220 221 #ifdef CONFIG_BOOTSTAGE 222 /* This is the full bootstage implementation */ 223 224 /* 225 * Mark a time stamp for the current boot stage. 226 */ 227 ulong bootstage_mark(enum bootstage_id id); 228 229 ulong bootstage_error(enum bootstage_id id); 230 231 ulong bootstage_mark_name(enum bootstage_id id, const char *name); 232 233 /* Print a report about boot time */ 234 void bootstage_report(void); 235 236 #else 237 /* 238 * This is a dummy implementation which just calls show_boot_progress(), 239 * and won't even do that unless CONFIG_SHOW_BOOT_PROGRESS is defined 240 */ 241 242 static inline ulong bootstage_mark(enum bootstage_id id) 243 { 244 show_boot_progress(id); 245 return 0; 246 } 247 248 static inline ulong bootstage_error(enum bootstage_id id) 249 { 250 show_boot_progress(-id); 251 return 0; 252 } 253 254 static inline ulong bootstage_mark_name(enum bootstage_id id, const char *name) 255 { 256 return 0; 257 } 258 259 260 #endif /* CONFIG_BOOTSTAGE */ 261 262 #endif 263