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"Das U-Boot" Source Tree
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Bootmethod for sandbox testing
4 *
5 * Copyright 2021 Google LLC
6 * Written by Simon Glass <sjg@chromium.org>
7 */
8
9#define LOG_CATEGORY UCLASS_BOOTSTD
10
11#include <bootdev.h>
12#include <bootflow.h>
13#include <bootmeth.h>
14#include <dm.h>
15
16static int sandbox_check(struct udevice *dev, struct bootflow_iter *iter)
17{
18 return 0;
19}
20
21static int sandbox_read_bootflow(struct udevice *dev, struct bootflow *bflow)
22{
23 /* pretend we are ready */
24 bflow->state = BOOTFLOWST_READY;
25
26 return 0;
27}
28
29static int sandbox_read_file(struct udevice *dev, struct bootflow *bflow,
30 const char *file_path, ulong addr,
31 enum bootflow_img_t type, ulong *sizep)
32{
33 return -ENOSYS;
34}
35
36static int sandbox_boot(struct udevice *dev, struct bootflow *bflow)
37{
38 /* always fail: see bootflow_iter_disable() */
39 return -ENOTSUPP;
40}
41
42static int sandbox_bootmeth_bind(struct udevice *dev)
43{
44 struct bootmeth_uc_plat *plat = dev_get_uclass_plat(dev);
45
46 plat->desc = "Sandbox boot for testing";
47
48 return 0;
49}
50
51static struct bootmeth_ops sandbox_bootmeth_ops = {
52 .check = sandbox_check,
53 .read_bootflow = sandbox_read_bootflow,
54 .read_file = sandbox_read_file,
55 .boot = sandbox_boot,
56};
57
58static const struct udevice_id sandbox_bootmeth_ids[] = {
59 { .compatible = "u-boot,sandbox-bootmeth" },
60 { }
61};
62
63U_BOOT_DRIVER(bootmeth_sandbox) = {
64 .name = "bootmeth_sandbox",
65 .id = UCLASS_BOOTMETH,
66 .of_match = sandbox_bootmeth_ids,
67 .ops = &sandbox_bootmeth_ops,
68 .bind = sandbox_bootmeth_bind,
69};