/* * (C) Copyright 2000-2009 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * SPDX-License-Identifier: GPL-2.0+ */ /* * Boot support */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef CONFIG_AML_ANTIROLLBACK #include #endif #include #include DECLARE_GLOBAL_DATA_PTR; #if defined(CONFIG_CMD_IMI) static int image_info(unsigned long addr); #endif #if defined(CONFIG_CMD_IMLS) #include #include extern flash_info_t flash_info[]; /* info for FLASH chips */ #endif #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND) static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); #endif bootm_headers_t images; /* pointers to os/initrd/fdt images */ /* we overload the cmd field with our state machine info instead of a * function pointer */ static cmd_tbl_t cmd_bootm_sub[] = { U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""), U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""), #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""), #endif #ifdef CONFIG_OF_LIBFDT U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""), #endif U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""), U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""), U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""), U_BOOT_CMD_MKENT(fake, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO, "", ""), U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""), }; static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { int ret = 0; long state; cmd_tbl_t *c; c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub)); argc--; argv++; if (c) { state = (long)c->cmd; if (state == BOOTM_STATE_START) state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER; } else { /* Unrecognized command */ return CMD_RET_USAGE; } if (state != BOOTM_STATE_START && images.state >= state) { printf("Trying to execute a command out of order\n"); return CMD_RET_USAGE; } ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0); return ret; } /*******************************************************************/ /* bootm - boot application image from image in memory */ /*******************************************************************/ #ifdef CONFIG_AML_RSVD_ADDR static void defendkey_process(void) { char *bootargs = getenv("bootargs"); if (!bootargs) return; if (!strstr(bootargs,"defendkey")) { char *reboot_mode_s = NULL; char *upgrade_step_s = NULL; char env_cmd[128] = {0}; reboot_mode_s = getenv("reboot_mode"); upgrade_step_s = getenv("upgrade_step"); if ((!reboot_mode_s) || (!upgrade_step_s)) return; if ((!strcmp(reboot_mode_s, "recovery")) || (!strcmp(reboot_mode_s, "update")) || (!strcmp(reboot_mode_s, "factory_reset")) || (!strcmp(upgrade_step_s, "3"))) { sprintf(env_cmd, "setenv bootargs ${bootargs} defendkey=%x,%x,", CONFIG_AML_RSVD_ADDR, CONFIG_AML_RSVD_SIZE); run_command(env_cmd,0); } } } #endif int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { #if defined(CONFIG_CMD_BOOTCTOL_AVB) char *avb_s; #endif #ifdef CONFIG_NEEDS_MANUAL_RELOC static int relocated = 0; if (!relocated) { int i; /* relocate names of sub-command table */ for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++) cmd_bootm_sub[i].name += gd->reloc_off; relocated = 1; } #endif extern void ee_gate_off(void); extern void ee_gate_on(void); /* determine if we have a sub command */ argc--; argv++; if (argc > 0) { char *endp; simple_strtoul(argv[0], &endp, 16); /* endp pointing to NULL means that argv[0] was just a * valid number, pass it along to the normal bootm processing * * If endp is ':' or '#' assume a FIT identifier so pass * along for normal processing. * * Right now we assume the first arg should never be '-' */ if ((*endp != 0) && (*endp != ':') && (*endp != '#')) return do_bootm_subcommand(cmdtp, flag, argc, argv); } unsigned int nLoadAddr = GXB_IMG_LOAD_ADDR; //default load address if (argc > 0) { char *endp; nLoadAddr = simple_strtoul(argv[0], &endp, 16); //printf("aml log : addr = 0x%x\n",nLoadAddr); } int nRet = aml_sec_boot_check(AML_D_P_IMG_DECRYPT,nLoadAddr,GXB_IMG_SIZE,GXB_IMG_DEC_ALL); if (nRet) { printf("\naml log : Sig Check %d\n",nRet); return nRet; } #if defined(CONFIG_CMD_BOOTCTOL_AVB) avb_s = getenv("avb2"); if (avb_s == NULL) { run_command("get_avb_mode;", 0); avb_s = getenv("avb2"); } printf("avb2: %s\n", avb_s); if (strcmp(avb_s, "1") == 0) { AvbSlotVerifyData* out_data; char *bootargs = NULL; char *newbootargs = NULL; const char *bootstate_o = "androidboot.verifiedbootstate=orange"; const char *bootstate_g = "androidboot.verifiedbootstate=green"; const char *bootstate = NULL; nRet = avb_verify(&out_data); printf("avb verification: locked = %d, result = %d\n", !is_device_unlocked(), nRet); if (is_device_unlocked()) { if(nRet != AVB_SLOT_VERIFY_RESULT_OK && nRet != AVB_SLOT_VERIFY_RESULT_ERROR_VERIFICATION && nRet != AVB_SLOT_VERIFY_RESULT_ERROR_ROLLBACK_INDEX && nRet != AVB_SLOT_VERIFY_RESULT_ERROR_PUBLIC_KEY_REJECTED) { avb_slot_verify_data_free(out_data); return nRet; } } else { if (nRet == AVB_SLOT_VERIFY_RESULT_OK) { #ifdef CONFIG_AML_ANTIROLLBACK uint32_t i = 0; uint32_t version; for (i = 0; i < AVB_MAX_NUMBER_OF_ROLLBACK_INDEX_LOCATIONS; i++) { if (get_avb_antirollback(i, &version) && version != (uint32_t )out_data->rollback_indexes[i]) { if (!set_avb_antirollback(i, (uint32_t )out_data->rollback_indexes[i])) printf("rollback(%d) = %u failed\n", i, (uint32_t )out_data->rollback_indexes[i]); } } #endif } if (nRet != AVB_SLOT_VERIFY_RESULT_OK) { avb_slot_verify_data_free(out_data); return nRet; } } bootargs = getenv("bootargs"); if (!bootargs) { bootargs = "\0"; } if (is_device_unlocked()) bootstate = bootstate_o; else bootstate = bootstate_g; if (out_data) { newbootargs = malloc(strlen(bootargs) + strlen(out_data->cmdline) + strlen(bootstate) + 1 + 1 + 1); if (!newbootargs) { printf("failed to allocate buffer for bootarg\n"); return -1; } sprintf(newbootargs, "%s %s %s", bootargs, out_data->cmdline, bootstate); setenv("bootargs", newbootargs); free(newbootargs); newbootargs = NULL; avb_slot_verify_data_free(out_data); } } #endif #ifdef CONFIG_AML_RSVD_ADDR defendkey_process(); #endif if (IS_FEAT_BOOT_VERIFY()) { /* Override load address argument to skip secure boot header (512). * Only skip if secure boot so normal boot can use plain boot.img+ */ ulong img_addr,nCheckOffset; img_addr = genimg_get_kernel_addr(argc < 1 ? NULL : argv[0]); nCheckOffset = aml_sec_boot_check(AML_D_Q_IMG_SIG_HDR_SIZE,GXB_IMG_LOAD_ADDR,GXB_EFUSE_PATTERN_SIZE,GXB_IMG_DEC_ALL); if (AML_D_Q_IMG_SIG_HDR_SIZE == (nCheckOffset & 0xFFFF)) nCheckOffset = (nCheckOffset >> 16) & 0xFFFF; else nCheckOffset = 0; img_addr += nCheckOffset; char argv0_new[12] = {0}; char *argv_new = (char*)&argv0_new; snprintf(argv0_new, sizeof(argv0_new), "%lx", img_addr); argc = 1; argv = (char**)&argv_new; } ee_gate_off(); nRet = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START | BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER | BOOTM_STATE_LOADOS | #if defined(CONFIG_PPC) || defined(CONFIG_MIPS) BOOTM_STATE_OS_CMDLINE | #endif BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO, &images, 1); ee_gate_on(); return nRet;//should be here. } int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd) { const char *ep = getenv("autostart"); if (ep && !strcmp(ep, "yes")) { char *local_args[2]; local_args[0] = (char *)cmd; local_args[1] = NULL; printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr); return do_bootm(cmdtp, 0, 1, local_args); } return 0; } #ifdef CONFIG_SYS_LONGHELP static char bootm_help_text[] = "[addr [arg ...]]\n - boot application image stored in memory\n" "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n" "\t'arg' can be the address of an initrd image\n" #if defined(CONFIG_OF_LIBFDT) "\tWhen booting a Linux kernel which requires a flat device-tree\n" "\ta third argument is required which is the address of the\n" "\tdevice-tree blob. To boot that kernel without an initrd image,\n" "\tuse a '-' for the second argument. If you do not pass a third\n" "\ta bd_info struct will be passed instead\n" #endif #if defined(CONFIG_FIT) "\t\nFor the new multi component uImage format (FIT) addresses\n" "\tmust be extened to include component or configuration unit name:\n" "\taddr: - direct component image specification\n" "\taddr# - configuration specification\n" "\tUse iminfo command to get the list of existing component\n" "\timages and configurations.\n" #endif "\nSub-commands to do part of the bootm sequence. The sub-commands " "must be\n" "issued in the order below (it's ok to not issue all sub-commands):\n" "\tstart [addr [arg ...]]\n" "\tloados - load OS image\n" #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH) "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n" #endif #if defined(CONFIG_OF_LIBFDT) "\tfdt - relocate flat device tree\n" #endif "\tcmdline - OS specific command line processing/setup\n" "\tbdt - OS specific bd_t processing\n" "\tprep - OS specific prep before relocation or go\n" "\tgo - start OS"; #endif U_BOOT_CMD( bootm, CONFIG_SYS_MAXARGS, 1, do_bootm, "boot application image from memory", bootm_help_text ); /*******************************************************************/ /* bootd - boot default image */ /*******************************************************************/ #if defined(CONFIG_CMD_BOOTD) int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { return run_command(getenv("bootcmd"), flag); } U_BOOT_CMD( boot, 1, 1, do_bootd, "boot default, i.e., run 'bootcmd'", "" ); /* keep old command name "bootd" for backward compatibility */ U_BOOT_CMD( bootd, 1, 1, do_bootd, "boot default, i.e., run 'bootcmd'", "" ); #endif /*******************************************************************/ /* iminfo - print header info for a requested image */ /*******************************************************************/ #if defined(CONFIG_CMD_IMI) static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { int arg; ulong addr; int rcode = 0; if (argc < 2) { return image_info(load_addr); } for (arg = 1; arg < argc; ++arg) { addr = simple_strtoul(argv[arg], NULL, 16); if (image_info(addr) != 0) rcode = 1; } return rcode; } static int image_info(ulong addr) { void *hdr = (void *)addr; printf("\n## Checking Image at %08lx ...\n", addr); switch (genimg_get_format(hdr)) { #if defined(CONFIG_IMAGE_FORMAT_LEGACY) case IMAGE_FORMAT_LEGACY: puts(" Legacy image found\n"); if (!image_check_magic(hdr)) { puts(" Bad Magic Number\n"); return 1; } if (!image_check_hcrc(hdr)) { puts(" Bad Header Checksum\n"); return 1; } image_print_contents(hdr); puts(" Verifying Checksum ... "); if (!image_check_dcrc(hdr)) { puts(" Bad Data CRC\n"); return 1; } puts("OK\n"); return 0; #endif #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: puts(" FIT image found\n"); if (!fit_check_format(hdr)) { puts("Bad FIT image format!\n"); return 1; } fit_print_contents(hdr); if (!fit_all_image_verify(hdr)) { puts("Bad hash in FIT image!\n"); return 1; } return 0; #endif default: puts("Unknown image format!\n"); break; } return 1; } U_BOOT_CMD( iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo, "print header information for application image", "addr [addr ...]\n" " - print header information for application image starting at\n" " address 'addr' in memory; this includes verification of the\n" " image contents (magic number, header and payload checksums)" ); #endif /*******************************************************************/ /* imls - list all images found in flash */ /*******************************************************************/ #if defined(CONFIG_CMD_IMLS) static int do_imls_nor(void) { flash_info_t *info; int i, j; void *hdr; for (i = 0, info = &flash_info[0]; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) { if (info->flash_id == FLASH_UNKNOWN) goto next_bank; for (j = 0; j < info->sector_count; ++j) { hdr = (void *)info->start[j]; if (!hdr) goto next_sector; switch (genimg_get_format(hdr)) { #if defined(CONFIG_IMAGE_FORMAT_LEGACY) case IMAGE_FORMAT_LEGACY: if (!image_check_hcrc(hdr)) goto next_sector; printf("Legacy Image at %08lX:\n", (ulong)hdr); image_print_contents(hdr); puts(" Verifying Checksum ... "); if (!image_check_dcrc(hdr)) { puts("Bad Data CRC\n"); } else { puts("OK\n"); } break; #endif #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: if (!fit_check_format(hdr)) goto next_sector; printf("FIT Image at %08lX:\n", (ulong)hdr); fit_print_contents(hdr); break; #endif default: goto next_sector; } next_sector: ; } next_bank: ; } return 0; } #endif #if defined(CONFIG_CMD_IMLS_NAND) static int nand_imls_legacyimage(nand_info_t *nand, int nand_dev, loff_t off, size_t len) { void *imgdata; int ret; imgdata = malloc(len); if (!imgdata) { printf("May be a Legacy Image at NAND device %d offset %08llX:\n", nand_dev, off); printf(" Low memory(cannot allocate memory for image)\n"); return -ENOMEM; } ret = nand_read_skip_bad(nand, off, &len, imgdata); if (ret < 0 && ret != -EUCLEAN) { free(imgdata); return ret; } if (!image_check_hcrc(imgdata)) { free(imgdata); return 0; } printf("Legacy Image at NAND device %d offset %08llX:\n", nand_dev, off); image_print_contents(imgdata); puts(" Verifying Checksum ... "); if (!image_check_dcrc(imgdata)) puts("Bad Data CRC\n"); else puts("OK\n"); free(imgdata); return 0; } static int nand_imls_fitimage(nand_info_t *nand, int nand_dev, loff_t off, size_t len) { void *imgdata; int ret; imgdata = malloc(len); if (!imgdata) { printf("May be a FIT Image at NAND device %d offset %08llX:\n", nand_dev, off); printf(" Low memory(cannot allocate memory for image)\n"); return -ENOMEM; } ret = nand_read_skip_bad(nand, off, &len, imgdata); if (ret < 0 && ret != -EUCLEAN) { free(imgdata); return ret; } if (!fit_check_format(imgdata)) { free(imgdata); return 0; } printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off); fit_print_contents(imgdata); free(imgdata); return 0; } static int do_imls_nand(void) { nand_info_t *nand; int nand_dev = nand_curr_device; size_t len; loff_t off; u32 buffer[16]; if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) { puts("\nNo NAND devices available\n"); return -ENODEV; } printf("\n"); for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) { nand = &nand_info[nand_dev]; if (!nand->name || !nand->size) continue; for (off = 0; off < nand->size; off += nand->erasesize) { const image_header_t *header; int ret; if (nand_block_isbad(nand, off)) continue; len = sizeof(buffer); ret = nand_read(nand, off, &len, (u8 *)buffer); if (ret < 0 && ret != -EUCLEAN) { printf("NAND read error %d at offset %08llX\n", ret, off); continue; } switch (genimg_get_format(buffer)) { #if defined(CONFIG_IMAGE_FORMAT_LEGACY) case IMAGE_FORMAT_LEGACY: header = (const image_header_t *)buffer; len = image_get_image_size(header); nand_imls_legacyimage(nand, nand_dev, off, len); break; #endif #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: len = fit_get_size(buffer); nand_imls_fitimage(nand, nand_dev, off, len); break; #endif } } } return 0; } #endif #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND) static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { int ret_nor = 0, ret_nand = 0; #if defined(CONFIG_CMD_IMLS) ret_nor = do_imls_nor(); #endif #if defined(CONFIG_CMD_IMLS_NAND) ret_nand = do_imls_nand(); #endif if (ret_nor) return ret_nor; if (ret_nand) return ret_nand; return (0); } U_BOOT_CMD( imls, 1, 1, do_imls, "list all images found in flash", "\n" " - Prints information about all images found at sector/block\n" " boundaries in nor/nand flash." ); #endif #ifdef CONFIG_CMD_BOOTZ int __weak bootz_setup(ulong image, ulong *start, ulong *end) { /* Please define bootz_setup() for your platform */ puts("Your platform's zImage format isn't supported yet!\n"); return -1; } /* * zImage booting support */ static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], bootm_headers_t *images) { int ret; ulong zi_start, zi_end; ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START, images, 1); /* Setup Linux kernel zImage entry point */ if (!argc) { images->ep = load_addr; debug("* kernel: default image load address = 0x%08lx\n", load_addr); } else { images->ep = simple_strtoul(argv[0], NULL, 16); debug("* kernel: cmdline image address = 0x%08lx\n", images->ep); } ret = bootz_setup(images->ep, &zi_start, &zi_end); if (ret != 0) return 1; lmb_reserve(&images->lmb, images->ep, zi_end - zi_start); /* * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not * have a header that provide this informaiton. */ if (bootm_find_ramdisk_fdt(flag, argc, argv)) return 1; return 0; } int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { int ret; /* Consume 'bootz' */ argc--; argv++; if (bootz_start(cmdtp, flag, argc, argv, &images)) return 1; /* * We are doing the BOOTM_STATE_LOADOS state ourselves, so must * disable interrupts ourselves */ bootm_disable_interrupts(); images.os.os = IH_OS_LINUX; ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO, &images, 1); return ret; } #ifdef CONFIG_SYS_LONGHELP static char bootz_help_text[] = "[addr [initrd[:size]] [fdt]]\n" " - boot Linux zImage stored in memory\n" "\tThe argument 'initrd' is optional and specifies the address\n" "\tof the initrd in memory. The optional argument ':size' allows\n" "\tspecifying the size of RAW initrd.\n" #if defined(CONFIG_OF_LIBFDT) "\tWhen booting a Linux kernel which requires a flat device-tree\n" "\ta third argument is required which is the address of the\n" "\tdevice-tree blob. To boot that kernel without an initrd image,\n" "\tuse a '-' for the second argument. If you do not pass a third\n" "\ta bd_info struct will be passed instead\n" #endif ""; #endif U_BOOT_CMD( bootz, CONFIG_SYS_MAXARGS, 1, do_bootz, "boot Linux zImage image from memory", bootz_help_text ); #endif /* CONFIG_CMD_BOOTZ */ #ifdef CONFIG_CMD_BOOTI /* See Documentation/arm64/booting.txt in the Linux kernel */ struct Image_header { uint32_t code0; /* Executable code */ uint32_t code1; /* Executable code */ uint64_t text_offset; /* Image load offset, LE */ uint64_t image_size; /* Effective Image size, LE */ uint64_t res1; /* reserved */ uint64_t res2; /* reserved */ uint64_t res3; /* reserved */ uint64_t res4; /* reserved */ uint32_t magic; /* Magic number */ uint32_t res5; }; #define LINUX_ARM64_IMAGE_MAGIC 0x644d5241 static int booti_setup(bootm_headers_t *images) { struct Image_header *ih; uint64_t dst; ih = (struct Image_header *)map_sysmem(images->ep, 0); if (ih->magic != le32_to_cpu(LINUX_ARM64_IMAGE_MAGIC)) { puts("Bad Linux ARM64 Image magic!\n"); return 1; } if (ih->image_size == 0) { puts("Image lacks image_size field, assuming 16MiB\n"); ih->image_size = (16 << 20); } /* * If we are not at the correct run-time location, set the new * correct location and then move the image there. */ dst = gd->bd->bi_dram[0].start + le32_to_cpu(ih->text_offset); if (images->ep != dst) { void *src; debug("Moving Image from 0x%lx to 0x%llx\n", images->ep, dst); src = (void *)images->ep; images->ep = dst; memmove((void *)dst, src, le32_to_cpu(ih->image_size)); } return 0; } /* * Image booting support */ static int booti_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], bootm_headers_t *images) { int ret; struct Image_header *ih; ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START, images, 1); /* Setup Linux kernel Image entry point */ if (!argc) { images->ep = load_addr; debug("* kernel: default image load address = 0x%08lx\n", load_addr); } else { images->ep = simple_strtoul(argv[0], NULL, 16); debug("* kernel: cmdline image address = 0x%08lx\n", images->ep); } ret = booti_setup(images); if (ret != 0) return 1; ih = (struct Image_header *)map_sysmem(images->ep, 0); lmb_reserve(&images->lmb, images->ep, le32_to_cpu(ih->image_size)); /* * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not * have a header that provide this informaiton. */ if (bootm_find_ramdisk_fdt(flag, argc, argv)) return 1; return 0; } int do_booti(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { int ret; /* Consume 'booti' */ argc--; argv++; if (booti_start(cmdtp, flag, argc, argv, &images)) return 1; /* * We are doing the BOOTM_STATE_LOADOS state ourselves, so must * disable interrupts ourselves */ bootm_disable_interrupts(); images.os.os = IH_OS_LINUX; ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO, &images, 1); return ret; } #ifdef CONFIG_SYS_LONGHELP static char booti_help_text[] = "[addr [initrd[:size]] [fdt]]\n" " - boot Linux Image stored in memory\n" "\tThe argument 'initrd' is optional and specifies the address\n" "\tof the initrd in memory. The optional argument ':size' allows\n" "\tspecifying the size of RAW initrd.\n" #if defined(CONFIG_OF_LIBFDT) "\tSince booting a Linux kernelrequires a flat device-tree\n" "\ta third argument is required which is the address of the\n" "\tdevice-tree blob. To boot that kernel without an initrd image,\n" "\tuse a '-' for the second argument.\n" #endif ""; #endif U_BOOT_CMD( booti, CONFIG_SYS_MAXARGS, 1, do_booti, "boot arm64 Linux Image image from memory", booti_help_text ); #endif /* CONFIG_CMD_BOOTI */