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cmd/disk.c
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// SPDX-License-Identifier: GPL-2.0+ |
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/* * (C) Copyright 2000-2011 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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*/ #include <common.h> #include <command.h> |
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#include <part.h> |
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int common_diskboot(cmd_tbl_t *cmdtp, const char *intf, int argc, char *const argv[]) { |
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__maybe_unused int dev; int part; |
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ulong addr = CONFIG_SYS_LOAD_ADDR; ulong cnt; |
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disk_partition_t info; |
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#if defined(CONFIG_IMAGE_FORMAT_LEGACY) |
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image_header_t *hdr; |
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#endif |
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struct blk_desc *dev_desc; |
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#if CONFIG_IS_ENABLED(FIT) |
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const void *fit_hdr = NULL; #endif bootstage_mark(BOOTSTAGE_ID_IDE_START); |
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if (argc > 3) { |
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bootstage_error(BOOTSTAGE_ID_IDE_ADDR); return CMD_RET_USAGE; } bootstage_mark(BOOTSTAGE_ID_IDE_ADDR); |
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if (argc > 1) addr = simple_strtoul(argv[1], NULL, 16); |
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bootstage_mark(BOOTSTAGE_ID_IDE_BOOT_DEVICE); |
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part = blk_get_device_part_str(intf, (argc == 3) ? argv[2] : NULL, |
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&dev_desc, &info, 1); |
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if (part < 0) { |
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bootstage_error(BOOTSTAGE_ID_IDE_TYPE); return 1; } |
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dev = dev_desc->devnum; |
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bootstage_mark(BOOTSTAGE_ID_IDE_TYPE); |
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printf(" Loading from %s device %d, partition %d: " "Name: %.32s Type: %.32s ", intf, dev, part, info.name, info.type); |
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debug("First Block: " LBAFU ", # of blocks: " LBAFU ", Block Size: %ld ", |
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info.start, info.size, info.blksz); |
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if (blk_dread(dev_desc, info.start, 1, (ulong *)addr) != 1) { |
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printf("** Read error on %d:%d ", dev, part); bootstage_error(BOOTSTAGE_ID_IDE_PART_READ); return 1; } bootstage_mark(BOOTSTAGE_ID_IDE_PART_READ); switch (genimg_get_format((void *) addr)) { |
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#if defined(CONFIG_IMAGE_FORMAT_LEGACY) |
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case IMAGE_FORMAT_LEGACY: hdr = (image_header_t *) addr; bootstage_mark(BOOTSTAGE_ID_IDE_FORMAT); if (!image_check_hcrc(hdr)) { puts(" ** Bad Header Checksum ** "); bootstage_error(BOOTSTAGE_ID_IDE_CHECKSUM); return 1; } bootstage_mark(BOOTSTAGE_ID_IDE_CHECKSUM); image_print_contents(hdr); cnt = image_get_image_size(hdr); break; |
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#endif |
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#if CONFIG_IS_ENABLED(FIT) |
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case IMAGE_FORMAT_FIT: fit_hdr = (const void *) addr; puts("Fit image detected... "); cnt = fit_get_size(fit_hdr); break; #endif default: bootstage_error(BOOTSTAGE_ID_IDE_FORMAT); puts("** Unknown image type "); return 1; } cnt += info.blksz - 1; cnt /= info.blksz; cnt -= 1; |
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if (blk_dread(dev_desc, info.start + 1, cnt, (ulong *)(addr + info.blksz)) != cnt) { |
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printf("** Read error on %d:%d ", dev, part); bootstage_error(BOOTSTAGE_ID_IDE_READ); return 1; } bootstage_mark(BOOTSTAGE_ID_IDE_READ); |
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#if CONFIG_IS_ENABLED(FIT) |
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/* This cannot be done earlier, * we need complete FIT image in RAM first */ if (genimg_get_format((void *) addr) == IMAGE_FORMAT_FIT) { if (!fit_check_format(fit_hdr)) { bootstage_error(BOOTSTAGE_ID_IDE_FIT_READ); puts("** Bad FIT image format "); return 1; } bootstage_mark(BOOTSTAGE_ID_IDE_FIT_READ_OK); fit_print_contents(fit_hdr); } #endif flush_cache(addr, (cnt+1)*info.blksz); /* Loading ok, update default load address */ load_addr = addr; return bootm_maybe_autostart(cmdtp, argv[0]); } |