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vbe: Add a command to show the VBE state

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Add a VBE comment which shows the current state. Currently this is just
the phases which booted via VBE.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2022-10-20 18:23:19 -06:00 committed by Tom Rini
parent d8b7c34f98
commit 7f3470bfaa
2 changed files with 32 additions and 1 deletions
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31
cmd/vbe.c
View File

@ -7,9 +7,11 @@
*/
#include <common.h>
#include <bloblist.h>
#include <bootmeth.h>
#include <bootstd.h>
#include <command.h>
#include <spl.h>
#include <vbe.h>
static int do_vbe_list(struct cmd_tbl *cmdtp, int flag, int argc,
@ -74,14 +76,41 @@ static int do_vbe_info(struct cmd_tbl *cmdtp, int flag, int argc,
return 0;
}
static int do_vbe_state(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
struct vbe_handoff *handoff;
int i;
handoff = bloblist_find(BLOBLISTT_VBE, sizeof(struct vbe_handoff));
if (!handoff) {
printf("No VBE state\n");
return CMD_RET_FAILURE;
}
printf("Phases:");
for (i = PHASE_NONE; i < PHASE_COUNT; i++) {
if (handoff->phases & (1 << i))
printf(" %s", spl_phase_name(i));
}
if (!handoff->phases)
printf(" (none)");
printf("\n");
return 0;
}
#ifdef CONFIG_SYS_LONGHELP
static char vbe_help_text[] =
"list - list VBE bootmeths\n"
"vbe select - select a VBE bootmeth by sequence or name\n"
"vbe info - show information about a VBE bootmeth";
"vbe info - show information about a VBE bootmeth\n"
"vbe state - show VBE state";
#endif
U_BOOT_CMD_WITH_SUBCMDS(vbe, "Verified Boot for Embedded", vbe_help_text,
U_BOOT_SUBCMD_MKENT(list, 1, 1, do_vbe_list),
U_BOOT_SUBCMD_MKENT(select, 2, 1, do_vbe_select),
U_BOOT_SUBCMD_MKENT(state, 2, 1, do_vbe_state),
U_BOOT_SUBCMD_MKENT(info, 2, 1, do_vbe_info));

2
include/spl.h
View File

@ -66,6 +66,8 @@ enum u_boot_phase {
PHASE_SPL, /* Running in SPL */
PHASE_BOARD_F, /* Running in U-Boot before relocation */
PHASE_BOARD_R, /* Running in U-Boot after relocation */
PHASE_COUNT,
};
/**