2662b54d70
For most testing we don't want this bootmeth to actually do anything. For the one test where we do, add a test hook to obtain the correct behaviour. This will allow us to bind the device always, rather than just doing it for this test. Signed-off-by: Simon Glass <sjg@chromium.org>
108 lines
2.2 KiB
C
108 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Bootmethod for EFI boot manager
|
|
*
|
|
* Copyright 2021 Google LLC
|
|
* Written by Simon Glass <sjg@chromium.org>
|
|
*/
|
|
|
|
#define LOG_CATEGORY UCLASS_BOOTSTD
|
|
|
|
#include <common.h>
|
|
#include <bootdev.h>
|
|
#include <bootflow.h>
|
|
#include <bootmeth.h>
|
|
#include <command.h>
|
|
#include <dm.h>
|
|
|
|
/**
|
|
* struct efi_mgr_priv - private info for the efi-mgr driver
|
|
*
|
|
* @fake_bootflow: Fake a valid bootflow for testing
|
|
*/
|
|
struct efi_mgr_priv {
|
|
bool fake_dev;
|
|
};
|
|
|
|
void sandbox_set_fake_efi_mgr_dev(struct udevice *dev, bool fake_dev)
|
|
{
|
|
struct efi_mgr_priv *priv = dev_get_priv(dev);
|
|
|
|
priv->fake_dev = fake_dev;
|
|
}
|
|
|
|
static int efi_mgr_check(struct udevice *dev, struct bootflow_iter *iter)
|
|
{
|
|
int ret;
|
|
|
|
/* Must be an bootstd device */
|
|
ret = bootflow_iter_uses_system(iter);
|
|
if (ret)
|
|
return log_msg_ret("net", ret);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int efi_mgr_read_bootflow(struct udevice *dev, struct bootflow *bflow)
|
|
{
|
|
struct efi_mgr_priv *priv = dev_get_priv(dev);
|
|
|
|
if (priv->fake_dev) {
|
|
bflow->state = BOOTFLOWST_READY;
|
|
return 0;
|
|
}
|
|
|
|
/* To be implemented */
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int efi_mgr_read_file(struct udevice *dev, struct bootflow *bflow,
|
|
const char *file_path, ulong addr, ulong *sizep)
|
|
{
|
|
/* Files are loaded by the 'bootefi bootmgr' command */
|
|
|
|
return -ENOSYS;
|
|
}
|
|
|
|
static int efi_mgr_boot(struct udevice *dev, struct bootflow *bflow)
|
|
{
|
|
int ret;
|
|
|
|
/* Booting is handled by the 'bootefi bootmgr' command */
|
|
ret = run_command("bootefi bootmgr", 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bootmeth_efi_mgr_bind(struct udevice *dev)
|
|
{
|
|
struct bootmeth_uc_plat *plat = dev_get_uclass_plat(dev);
|
|
|
|
plat->desc = "EFI bootmgr flow";
|
|
plat->flags = BOOTMETHF_GLOBAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct bootmeth_ops efi_mgr_bootmeth_ops = {
|
|
.check = efi_mgr_check,
|
|
.read_bootflow = efi_mgr_read_bootflow,
|
|
.read_file = efi_mgr_read_file,
|
|
.boot = efi_mgr_boot,
|
|
};
|
|
|
|
static const struct udevice_id efi_mgr_bootmeth_ids[] = {
|
|
{ .compatible = "u-boot,efi-bootmgr" },
|
|
{ }
|
|
};
|
|
|
|
U_BOOT_DRIVER(bootmeth_efi_mgr) = {
|
|
.name = "bootmeth_efi_mgr",
|
|
.id = UCLASS_BOOTMETH,
|
|
.of_match = efi_mgr_bootmeth_ids,
|
|
.ops = &efi_mgr_bootmeth_ops,
|
|
.bind = bootmeth_efi_mgr_bind,
|
|
.priv_auto = sizeof(struct efi_mgr_priv),
|
|
};
|