bootstd: Make efi_mgr bootmeth work for non-sandbox setups

Enable the bootflow based on this bootmeth if the BootOrder EFI
variable is set.

Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Mark Kettenis 2023-09-03 22:40:00 +02:00 committed by Tom Rini
parent 073bf4a57d
commit f2bfa0cb17

View file

@ -14,6 +14,8 @@
#include <bootmeth.h>
#include <command.h>
#include <dm.h>
#include <efi_loader.h>
#include <efi_variable.h>
/**
* struct efi_mgr_priv - private info for the efi-mgr driver
@ -46,13 +48,26 @@ static int efi_mgr_check(struct udevice *dev, struct bootflow_iter *iter)
static int efi_mgr_read_bootflow(struct udevice *dev, struct bootflow *bflow)
{
struct efi_mgr_priv *priv = dev_get_priv(dev);
efi_status_t ret;
efi_uintn_t size;
u16 *bootorder;
if (priv->fake_dev) {
bflow->state = BOOTFLOWST_READY;
return 0;
}
/* To be implemented */
ret = efi_init_obj_list();
if (ret)
return log_msg_ret("init", ret);
/* Enable this method if the "BootOrder" UEFI exists. */
bootorder = efi_get_var(u"BootOrder", &efi_global_variable_guid,
&size);
if (bootorder) {
bflow->state = BOOTFLOWST_READY;
return 0;
}
return -EINVAL;
}