mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 00:47:26 +00:00
7f3470bfaa
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>
116 lines
2.4 KiB
C
116 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Verified Boot for Embedded (VBE) command
|
|
*
|
|
* Copyright 2022 Google LLC
|
|
* Written by Simon Glass <sjg@chromium.org>
|
|
*/
|
|
|
|
#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,
|
|
char *const argv[])
|
|
{
|
|
vbe_list();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int do_vbe_select(struct cmd_tbl *cmdtp, int flag, int argc,
|
|
char *const argv[])
|
|
{
|
|
struct bootstd_priv *std;
|
|
struct udevice *dev;
|
|
int ret;
|
|
|
|
ret = bootstd_get_priv(&std);
|
|
if (ret)
|
|
return CMD_RET_FAILURE;
|
|
if (argc < 2) {
|
|
std->vbe_bootmeth = NULL;
|
|
return 0;
|
|
}
|
|
if (vbe_find_by_any(argv[1], &dev))
|
|
return CMD_RET_FAILURE;
|
|
|
|
std->vbe_bootmeth = dev;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int do_vbe_info(struct cmd_tbl *cmdtp, int flag, int argc,
|
|
char *const argv[])
|
|
{
|
|
struct bootstd_priv *std;
|
|
char buf[256];
|
|
int ret, len;
|
|
|
|
ret = bootstd_get_priv(&std);
|
|
if (ret)
|
|
return CMD_RET_FAILURE;
|
|
if (!std->vbe_bootmeth) {
|
|
printf("No VBE bootmeth selected\n");
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
ret = bootmeth_get_state_desc(std->vbe_bootmeth, buf, sizeof(buf));
|
|
if (ret) {
|
|
printf("Failed (err=%d)\n", ret);
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
len = strnlen(buf, sizeof(buf));
|
|
if (len >= sizeof(buf)) {
|
|
printf("Buffer overflow\n");
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
|
|
puts(buf);
|
|
if (buf[len] != '\n')
|
|
putc('\n');
|
|
|
|
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\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));
|