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https://github.com/smaeul/u-boot.git
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1047b5340c
At present bootstd requires CONFIG_CMDLINE to operate. Add a new 'programmatic' boot which can be used when no command line is available. For now it does almost nothing, since most bootmeths require the command line. Signed-off-by: Simon Glass <sjg@chromium.org>
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2021 Google LLC
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* Written by Simon Glass <sjg@chromium.org>
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*/
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#define LOG_CATEGORY UCLASS_BOOTSTD
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#include <bootflow.h>
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#include <bootstd.h>
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#include <command.h>
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#include <dm.h>
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/*
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* show_bootmeths() - List available bootmeths
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*
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* We could refactor this to use do_bootmeth_list() if more detail (or ordering)
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* are needed
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*/
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static void show_bootmeths(void)
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{
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struct udevice *dev;
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struct uclass *uc;
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printf("Bootmeths: ");
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uclass_id_foreach_dev(UCLASS_BOOTMETH, dev, uc)
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printf(" %s", dev->name);
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printf("\n");
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}
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int bootstd_prog_boot(void)
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{
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struct bootflow_iter iter;
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struct bootflow bflow;
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int ret, flags, i;
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printf("Programmatic boot starting\n");
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show_bootmeths();
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flags = BOOTFLOWIF_HUNT | BOOTFLOWIF_SHOW | BOOTFLOWIF_SKIP_GLOBAL;
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bootstd_clear_glob();
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for (i = 0, ret = bootflow_scan_first(NULL, NULL, &iter, flags, &bflow);
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i < 1000 && ret != -ENODEV;
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i++, ret = bootflow_scan_next(&iter, &bflow)) {
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if (!bflow.err)
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bootflow_run_boot(&iter, &bflow);
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bootflow_free(&bflow);
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}
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return -EFAULT;
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}
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