leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

vbe: Record which phases loaded using VBE

Browse Source 
We expect VPL and SPL to load using VBE. Add a record of this so we can
check it in U-Boot proper.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2022-10-20 18:23:18 -06:00 committed by Tom Rini
parent 2a5c67f50a
commit d8b7c34f98
3 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
boot/vbe_simple_fw.c
View File

@ -9,6 +9,7 @@
#define LOG_CATEGORY LOGC_BOOT
#include <common.h>
#include <bloblist.h>
#include <bootdev.h>
#include <bootflow.h>
#include <bootmeth.h>
@ -154,11 +155,17 @@ static int simple_load_from_image(struct spl_image_info *spl_image,
struct udevice *meth, *bdev;
struct simple_priv *priv;
struct bootflow bflow;
struct vbe_handoff *handoff;
int ret;
if (spl_phase() != PHASE_VPL && spl_phase() != PHASE_SPL)
return -ENOENT;
ret = bloblist_ensure_size(BLOBLISTT_VBE, sizeof(struct vbe_handoff),
0, (void **)&handoff);
if (ret)
return log_msg_ret("ro", ret);
vbe_find_first_device(&meth);
if (!meth)
return log_msg_ret("vd", -ENODEV);
@ -190,6 +197,9 @@ static int simple_load_from_image(struct spl_image_info *spl_image,
/* this is not used from now on, so free it */
bootflow_free(&bflow);
/* Record that VBE was used in this phase */
handoff->phases |= 1 << spl_phase();
return 0;
}
SPL_LOAD_IMAGE_METHOD("vbe_simple", 5, BOOT_DEVICE_VBE,

1
include/bloblist.h
View File

@ -112,6 +112,7 @@ enum bloblist_tag_t {
*/
BLOBLISTT_PROJECT_AREA = 0x8000,
BLOBLISTT_U_BOOT_SPL_HANDOFF = 0x8000, /* Hand-off info from SPL */
BLOBLISTT_VBE = 0x8001, /* VBE per-phase state */
/*
* Vendor-specific tags are permitted here. Projects can be open source

9
include/vbe.h
View File

@ -25,6 +25,15 @@ enum vbe_phase_t {
VBE_PHASE_OS,
};
/**
* struct vbe_handoff - information about VBE progress
*
* @phases: Indicates which phases used the VBE bootmeth (1 << PHASE_...)
*/
struct vbe_handoff {
u8 phases;
};
/**
* vbe_phase() - get current VBE phase
*