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https://github.com/u-boot/u-boot.git
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8632b36b96
Add some functions which provide an argument to a command, or NULL if the argument does not exist. Use the same numbering as argv[] since it seems less confusing than the previous idea. Signed-off-by: Simon Glass <sjg@chromium.org> Suggested-by: Tom Rini <trini@konsulko.com>
133 lines
3.1 KiB
C
133 lines
3.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2000-2011
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*/
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#include <common.h>
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#include <bootstage.h>
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#include <command.h>
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#include <cpu_func.h>
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#include <image.h>
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#include <log.h>
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#include <part.h>
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int common_diskboot(struct cmd_tbl *cmdtp, const char *intf, int argc,
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char *const argv[])
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{
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__maybe_unused int dev;
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int part;
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ulong addr = CONFIG_SYS_LOAD_ADDR;
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ulong cnt;
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struct disk_partition info;
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#if defined(CONFIG_LEGACY_IMAGE_FORMAT)
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struct legacy_img_hdr *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;
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#endif
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bootstage_mark(BOOTSTAGE_ID_IDE_START);
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if (argc > 3) {
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bootstage_error(BOOTSTAGE_ID_IDE_ADDR);
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return CMD_RET_USAGE;
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}
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bootstage_mark(BOOTSTAGE_ID_IDE_ADDR);
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if (argc > 1)
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addr = hextoul(argv[1], NULL);
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bootstage_mark(BOOTSTAGE_ID_IDE_BOOT_DEVICE);
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part = blk_get_device_part_str(intf, cmd_arg2(argc, argv),
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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);
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return 1;
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}
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dev = dev_desc->devnum;
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bootstage_mark(BOOTSTAGE_ID_IDE_TYPE);
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printf("\nLoading from %s device %d, partition %d: "
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"Name: %.32s Type: %.32s\n", intf, dev, part, info.name,
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info.type);
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debug("First Block: " LBAFU ", # of blocks: " LBAFU
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", Block Size: %ld\n",
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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\n", dev, part);
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bootstage_error(BOOTSTAGE_ID_IDE_PART_READ);
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return 1;
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}
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bootstage_mark(BOOTSTAGE_ID_IDE_PART_READ);
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switch (genimg_get_format((void *) addr)) {
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#if defined(CONFIG_LEGACY_IMAGE_FORMAT)
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case IMAGE_FORMAT_LEGACY:
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hdr = (struct legacy_img_hdr *)addr;
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bootstage_mark(BOOTSTAGE_ID_IDE_FORMAT);
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if (!image_check_hcrc(hdr)) {
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puts("\n** Bad Header Checksum **\n");
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bootstage_error(BOOTSTAGE_ID_IDE_CHECKSUM);
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return 1;
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}
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bootstage_mark(BOOTSTAGE_ID_IDE_CHECKSUM);
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image_print_contents(hdr);
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cnt = image_get_image_size(hdr);
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break;
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#endif
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#if CONFIG_IS_ENABLED(FIT)
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case IMAGE_FORMAT_FIT:
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fit_hdr = (const void *) addr;
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puts("Fit image detected...\n");
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cnt = fit_get_size(fit_hdr);
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break;
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#endif
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default:
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bootstage_error(BOOTSTAGE_ID_IDE_FORMAT);
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puts("** Unknown image type\n");
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return 1;
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}
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cnt += info.blksz - 1;
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cnt /= info.blksz;
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cnt -= 1;
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if (blk_dread(dev_desc, info.start + 1, cnt,
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(ulong *)(addr + info.blksz)) != cnt) {
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printf("** Read error on %d:%d\n", dev, part);
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bootstage_error(BOOTSTAGE_ID_IDE_READ);
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return 1;
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}
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bootstage_mark(BOOTSTAGE_ID_IDE_READ);
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#if CONFIG_IS_ENABLED(FIT)
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/* This cannot be done earlier,
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* we need complete FIT image in RAM first */
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if (genimg_get_format((void *) addr) == IMAGE_FORMAT_FIT) {
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if (fit_check_format(fit_hdr, IMAGE_SIZE_INVAL)) {
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bootstage_error(BOOTSTAGE_ID_IDE_FIT_READ);
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puts("** Bad FIT image format\n");
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return 1;
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}
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bootstage_mark(BOOTSTAGE_ID_IDE_FIT_READ_OK);
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}
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#endif
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flush_cache(addr, (cnt+1)*info.blksz);
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/* Loading ok, update default load address */
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image_load_addr = addr;
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return bootm_maybe_autostart(cmdtp, argv[0]);
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}
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