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cmd: bootmenu: add parameter -e for UEFI boot options

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The bootmenu command can display

* menu entries defined by environment variables
* menu entries defined by UEFI boot options

Not in all cases showing the UEFI boot options is desired.
Provide a new parameter '-e' to select the display of UEFI boot options.

Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
This commit is contained in:
Heinrich Schuchardt 2024-11-27 08:06:30 +01:00
parent 1f68057e03
commit 5a4ac8a35a
2 changed files with 40 additions and 12 deletions
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39
cmd/bootmenu.c
View file

@ -330,7 +330,13 @@ static int prepare_uefi_bootorder_entry(struct bootmenu_data *menu,
}
#endif
static struct bootmenu_data *bootmenu_create(int delay)
/**
* bootmenu_create() - create boot menu entries
*
* @uefi: consider UEFI boot options
* @delay: autostart delay in seconds
*/
static struct bootmenu_data *bootmenu_create(int uefi, int delay)
{
int ret;
unsigned short int i = 0;
@ -357,7 +363,7 @@ static struct bootmenu_data *bootmenu_create(int delay)
goto cleanup;
#if (IS_ENABLED(CONFIG_CMD_BOOTEFI_BOOTMGR)) && (IS_ENABLED(CONFIG_CMD_EFICONFIG))
if (i < MAX_COUNT - 1) {
if (uefi && i < MAX_COUNT - 1) {
efi_status_t efi_ret;
/*
@ -481,7 +487,13 @@ static void handle_uefi_bootnext(void)
run_command("bootefi bootmgr", 0);
}
static enum bootmenu_ret bootmenu_show(int delay)
/**
* bootmenu_show - display boot menu
*
* @uefi: generated entries for UEFI boot options
* @delay: autoboot delay in seconds
*/
static enum bootmenu_ret bootmenu_show(int uefi, int delay)
{
int cmd_ret;
int init = 0;
@ -495,7 +507,7 @@ static enum bootmenu_ret bootmenu_show(int delay)
efi_status_t efi_ret = EFI_SUCCESS;
char *option, *sep;
if (IS_ENABLED(CONFIG_CMD_BOOTEFI_BOOTMGR))
if (IS_ENABLED(CONFIG_CMD_BOOTEFI_BOOTMGR) && uefi)
handle_uefi_bootnext();
/* If delay is 0 do not create menu, just run first entry */
@ -514,7 +526,7 @@ static enum bootmenu_ret bootmenu_show(int delay)
return (cmd_ret == CMD_RET_SUCCESS ? BOOTMENU_RET_SUCCESS : BOOTMENU_RET_FAIL);
}
bootmenu = bootmenu_create(delay);
bootmenu = bootmenu_create(uefi, delay);
if (!bootmenu)
return BOOTMENU_RET_FAIL;
@ -609,7 +621,7 @@ int menu_show(int bootdelay)
int ret;
while (1) {
ret = bootmenu_show(bootdelay);
ret = bootmenu_show(1, bootdelay);
bootdelay = -1;
if (ret == BOOTMENU_RET_UPDATED)
continue;
@ -635,11 +647,19 @@ int do_bootmenu(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
char *delay_str = NULL;
int delay = 10;
int uefi = 0;
#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0)
delay = CONFIG_BOOTDELAY;
#endif
if (argc >= 2) {
if (!strcmp("-e", argv[1])) {
uefi = 1;
--argc;
++argv;
}
}
if (argc >= 2)
delay_str = argv[1];
@ -649,13 +669,14 @@ int do_bootmenu(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
if (delay_str)
delay = (int)simple_strtol(delay_str, NULL, 10);
bootmenu_show(delay);
bootmenu_show(uefi, delay);
return 0;
}
U_BOOT_CMD(
bootmenu, 2, 1, do_bootmenu,
"ANSI terminal bootmenu",
"[delay]\n"
" - show ANSI terminal bootmenu with autoboot delay"
"[-e] [delay]\n"
"-e - show UEFI entries\n"
"delay - show ANSI terminal bootmenu with autoboot delay"
);

13
doc/usage/cmd/bootmenu.rst
View file

@ -11,7 +11,7 @@ Synopsis
--------
::
bootmenu [delay]
bootmenu [-e] [delay]
Description
-----------
@ -28,6 +28,14 @@ The "bootmenu" command interprets ANSI escape sequences, so
an ANSI terminal is required for proper menu rendering and item
selection.
-e
show menu entries based on UEFI boot options
delay
is the autoboot delay in seconds, after which the first
menu entry will be selected automatically
The assembling of the menu is done via a set of environment variables
"bootmenu_<num>" and "bootmenu_delay", i.e.::
@ -35,8 +43,7 @@ The assembling of the menu is done via a set of environment variables
bootmenu_<num>="<title>=<commands>"
<delay>
is the autoboot delay in seconds, after which the first
menu entry will be selected automatically
autostart delay in seconds
<num>
is the boot menu entry number, starting from zero