summaryrefslogtreecommitdiff
path: root/cmd/bootmenu.c
diff options
context:
space:
mode:
Diffstat (limited to 'cmd/bootmenu.c')
-rw-r--r--cmd/bootmenu.c345
1 files changed, 290 insertions, 55 deletions
diff --git a/cmd/bootmenu.c b/cmd/bootmenu.c
index d5734872720..ac857672466 100644
--- a/cmd/bootmenu.c
+++ b/cmd/bootmenu.c
@@ -3,9 +3,12 @@
* (C) Copyright 2011-2013 Pali Rohár <pali@kernel.org>
*/
+#include <charset.h>
#include <common.h>
#include <command.h>
#include <ansi.h>
+#include <efi_loader.h>
+#include <efi_variable.h>
#include <env.h>
#include <log.h>
#include <menu.h>
@@ -24,11 +27,26 @@
*/
#define MAX_ENV_SIZE (9 + 2 + 1)
+enum bootmenu_ret {
+ BOOTMENU_RET_SUCCESS = 0,
+ BOOTMENU_RET_FAIL,
+ BOOTMENU_RET_QUIT,
+ BOOTMENU_RET_UPDATED,
+};
+
+enum boot_type {
+ BOOTMENU_TYPE_NONE = 0,
+ BOOTMENU_TYPE_BOOTMENU,
+ BOOTMENU_TYPE_UEFI_BOOT_OPTION,
+};
+
struct bootmenu_entry {
unsigned short int num; /* unique number 0 .. MAX_COUNT */
char key[3]; /* key identifier of number */
- char *title; /* title of entry */
+ u16 *title; /* title of entry */
char *command; /* hush command of entry */
+ enum boot_type type; /* boot type of entry */
+ u16 bootorder; /* order for each boot type */
struct bootmenu_data *menu; /* this bootmenu */
struct bootmenu_entry *next; /* next menu entry (num+1) */
};
@@ -68,14 +86,12 @@ static void bootmenu_print_entry(void *data)
* Move cursor to line where the entry will be drown (entry->num)
* First 3 lines contain bootmenu header + 1 empty line
*/
- printf(ANSI_CURSOR_POSITION, entry->num + 4, 1);
-
- puts(" ");
+ printf(ANSI_CURSOR_POSITION, entry->num + 4, 7);
if (reverse)
puts(ANSI_COLOR_REVERSE);
- puts(entry->title);
+ printf("%ls", entry->title);
if (reverse)
puts(ANSI_COLOR_RESET);
@@ -86,12 +102,9 @@ static void bootmenu_autoboot_loop(struct bootmenu_data *menu,
{
int i, c;
- if (menu->delay > 0) {
- printf(ANSI_CURSOR_POSITION, menu->count + 5, 1);
- printf(" Hit any key to stop autoboot: %2d ", menu->delay);
- }
-
while (menu->delay > 0) {
+ printf(ANSI_CURSOR_POSITION, menu->count + 5, 3);
+ printf("Hit any key to stop autoboot: %d ", menu->delay);
for (i = 0; i < 100; ++i) {
if (!tstc()) {
WATCHDOG_RESET();
@@ -125,7 +138,6 @@ static void bootmenu_autoboot_loop(struct bootmenu_data *menu,
break;
--menu->delay;
- printf("\b\b\b%2d ", menu->delay);
}
printf(ANSI_CURSOR_POSITION, menu->count + 5, 1);
@@ -275,31 +287,32 @@ static void bootmenu_destroy(struct bootmenu_data *menu)
free(menu);
}
-static struct bootmenu_data *bootmenu_create(int delay)
+/**
+ * prepare_bootmenu_entry() - generate the bootmenu_xx entries
+ *
+ * This function read the "bootmenu_x" U-Boot environment variable
+ * and generate the bootmenu entries.
+ *
+ * @menu: pointer to the bootmenu structure
+ * @current: pointer to the last bootmenu entry list
+ * @index: pointer to the index of the last bootmenu entry,
+ * the number of bootmenu entry is added by this function
+ * Return: 1 on success, negative value on error
+ */
+static int prepare_bootmenu_entry(struct bootmenu_data *menu,
+ struct bootmenu_entry **current,
+ unsigned short int *index)
{
- unsigned short int i = 0;
- const char *option;
- struct bootmenu_data *menu;
- struct bootmenu_entry *iter = NULL;
-
int len;
char *sep;
- char *default_str;
- struct bootmenu_entry *entry;
-
- menu = malloc(sizeof(struct bootmenu_data));
- if (!menu)
- return NULL;
-
- menu->delay = delay;
- menu->active = 0;
- menu->first = NULL;
-
- default_str = env_get("bootmenu_default");
- if (default_str)
- menu->active = (int)simple_strtol(default_str, NULL, 10);
+ const char *option;
+ unsigned short int i = *index;
+ struct bootmenu_entry *entry = NULL;
+ struct bootmenu_entry *iter = *current;
while ((option = bootmenu_getoption(i))) {
+ u16 *buf;
+
sep = strchr(option, '=');
if (!sep) {
printf("Invalid bootmenu entry: %s\n", option);
@@ -308,23 +321,23 @@ static struct bootmenu_data *bootmenu_create(int delay)
entry = malloc(sizeof(struct bootmenu_entry));
if (!entry)
- goto cleanup;
+ return -ENOMEM;
len = sep-option;
- entry->title = malloc(len + 1);
+ buf = calloc(1, (len + 1) * sizeof(u16));
+ entry->title = buf;
if (!entry->title) {
free(entry);
- goto cleanup;
+ return -ENOMEM;
}
- memcpy(entry->title, option, len);
- entry->title[len] = 0;
+ utf8_utf16_strncpy(&buf, option, len);
len = strlen(sep + 1);
entry->command = malloc(len + 1);
if (!entry->command) {
free(entry->title);
free(entry);
- goto cleanup;
+ return -ENOMEM;
}
memcpy(entry->command, sep + 1, len);
entry->command[len] = 0;
@@ -333,6 +346,8 @@ static struct bootmenu_data *bootmenu_create(int delay)
entry->num = i;
entry->menu = menu;
+ entry->type = BOOTMENU_TYPE_BOOTMENU;
+ entry->bootorder = i;
entry->next = NULL;
if (!iter)
@@ -347,13 +362,146 @@ static struct bootmenu_data *bootmenu_create(int delay)
break;
}
+ *index = i;
+ *current = iter;
+
+ return 1;
+}
+
+/**
+ * prepare_uefi_bootorder_entry() - generate the uefi bootmenu entries
+ *
+ * This function read the "BootOrder" UEFI variable
+ * and generate the bootmenu entries in the order of "BootOrder".
+ *
+ * @menu: pointer to the bootmenu structure
+ * @current: pointer to the last bootmenu entry list
+ * @index: pointer to the index of the last bootmenu entry,
+ * the number of uefi entry is added by this function
+ * Return: 1 on success, negative value on error
+ */
+static int prepare_uefi_bootorder_entry(struct bootmenu_data *menu,
+ struct bootmenu_entry **current,
+ unsigned short int *index)
+{
+ u16 *bootorder;
+ efi_status_t ret;
+ unsigned short j;
+ efi_uintn_t num, size;
+ void *load_option;
+ struct efi_load_option lo;
+ u16 varname[] = u"Boot####";
+ unsigned short int i = *index;
+ struct bootmenu_entry *entry = NULL;
+ struct bootmenu_entry *iter = *current;
+
+ bootorder = efi_get_var(u"BootOrder", &efi_global_variable_guid, &size);
+ if (!bootorder)
+ return -ENOENT;
+
+ num = size / sizeof(u16);
+ for (j = 0; j < num; j++) {
+ entry = malloc(sizeof(struct bootmenu_entry));
+ if (!entry)
+ return -ENOMEM;
+
+ efi_create_indexed_name(varname, sizeof(varname),
+ "Boot", bootorder[j]);
+ load_option = efi_get_var(varname, &efi_global_variable_guid, &size);
+ if (!load_option)
+ continue;
+
+ ret = efi_deserialize_load_option(&lo, load_option, &size);
+ if (ret != EFI_SUCCESS) {
+ log_warning("Invalid load option for %ls\n", varname);
+ free(load_option);
+ free(entry);
+ continue;
+ }
+
+ if (lo.attributes & LOAD_OPTION_ACTIVE) {
+ entry->title = u16_strdup(lo.label);
+ if (!entry->title) {
+ free(load_option);
+ free(entry);
+ free(bootorder);
+ return -ENOMEM;
+ }
+ entry->command = strdup("bootefi bootmgr");
+ sprintf(entry->key, "%d", i);
+ entry->num = i;
+ entry->menu = menu;
+ entry->type = BOOTMENU_TYPE_UEFI_BOOT_OPTION;
+ entry->bootorder = bootorder[j];
+ entry->next = NULL;
+
+ if (!iter)
+ menu->first = entry;
+ else
+ iter->next = entry;
+
+ iter = entry;
+ i++;
+ }
+
+ free(load_option);
+
+ if (i == MAX_COUNT - 1)
+ break;
+ }
+
+ free(bootorder);
+ *index = i;
+ *current = iter;
+
+ return 1;
+}
+
+static struct bootmenu_data *bootmenu_create(int delay)
+{
+ int ret;
+ unsigned short int i = 0;
+ struct bootmenu_data *menu;
+ struct bootmenu_entry *iter = NULL;
+ struct bootmenu_entry *entry;
+ char *default_str;
+
+ menu = malloc(sizeof(struct bootmenu_data));
+ if (!menu)
+ return NULL;
+
+ menu->delay = delay;
+ menu->active = 0;
+ menu->first = NULL;
+
+ default_str = env_get("bootmenu_default");
+ if (default_str)
+ menu->active = (int)simple_strtol(default_str, NULL, 10);
+
+ ret = prepare_bootmenu_entry(menu, &iter, &i);
+ if (ret < 0)
+ goto cleanup;
+
+ if (IS_ENABLED(CONFIG_CMD_BOOTEFI_BOOTMGR)) {
+ if (i < MAX_COUNT - 1) {
+ ret = prepare_uefi_bootorder_entry(menu, &iter, &i);
+ if (ret < 0 && ret != -ENOENT)
+ goto cleanup;
+ }
+ }
+
/* Add U-Boot console entry at the end */
if (i <= MAX_COUNT - 1) {
entry = malloc(sizeof(struct bootmenu_entry));
if (!entry)
goto cleanup;
- entry->title = strdup("U-Boot console");
+ /* Add Quit entry if entering U-Boot console is disabled */
+ if (IS_ENABLED(CONFIG_CMD_BOOTMENU_ENTER_UBOOT_CONSOLE))
+ entry->title = u16_strdup(u"U-Boot console");
+ else
+ entry->title = u16_strdup(u"Quit");
+
if (!entry->title) {
free(entry);
goto cleanup;
@@ -370,6 +518,7 @@ static struct bootmenu_data *bootmenu_create(int delay)
entry->num = i;
entry->menu = menu;
+ entry->type = BOOTMENU_TYPE_NONE;
entry->next = NULL;
if (!iter)
@@ -407,8 +556,8 @@ static void menu_display_statusline(struct menu *m)
printf(ANSI_CURSOR_POSITION, 1, 1);
puts(ANSI_CLEAR_LINE);
- printf(ANSI_CURSOR_POSITION, 2, 1);
- puts(" *** U-Boot Boot Menu ***");
+ printf(ANSI_CURSOR_POSITION, 2, 3);
+ puts("*** U-Boot Boot Menu ***");
puts(ANSI_CLEAR_LINE_TO_END);
printf(ANSI_CURSOR_POSITION, 3, 1);
puts(ANSI_CLEAR_LINE);
@@ -416,50 +565,81 @@ static void menu_display_statusline(struct menu *m)
/* First 3 lines are bootmenu header + 2 empty lines between entries */
printf(ANSI_CURSOR_POSITION, menu->count + 5, 1);
puts(ANSI_CLEAR_LINE);
- printf(ANSI_CURSOR_POSITION, menu->count + 6, 1);
- puts(" Press UP/DOWN to move, ENTER to select, ESC/CTRL+C to quit");
+ printf(ANSI_CURSOR_POSITION, menu->count + 6, 3);
+ puts("Press UP/DOWN to move, ENTER to select, ESC/CTRL+C to quit");
puts(ANSI_CLEAR_LINE_TO_END);
printf(ANSI_CURSOR_POSITION, menu->count + 7, 1);
puts(ANSI_CLEAR_LINE);
}
-static void bootmenu_show(int delay)
+static void handle_uefi_bootnext(void)
{
+ u16 bootnext;
+ efi_status_t ret;
+ efi_uintn_t size;
+
+ /* Initialize EFI drivers */
+ ret = efi_init_obj_list();
+ if (ret != EFI_SUCCESS) {
+ log_err("Error: Cannot initialize UEFI sub-system, r = %lu\n",
+ ret & ~EFI_ERROR_MASK);
+
+ return;
+ }
+
+ /* If UEFI BootNext variable is set, boot the BootNext load option */
+ size = sizeof(u16);
+ ret = efi_get_variable_int(u"BootNext",
+ &efi_global_variable_guid,
+ NULL, &size, &bootnext, NULL);
+ if (ret == EFI_SUCCESS)
+ /* BootNext does exist here, try to boot */
+ run_command("bootefi bootmgr", 0);
+}
+
+static enum bootmenu_ret bootmenu_show(int delay)
+{
+ int cmd_ret;
int init = 0;
void *choice = NULL;
- char *title = NULL;
+ u16 *title = NULL;
char *command = NULL;
struct menu *menu;
- struct bootmenu_data *bootmenu;
struct bootmenu_entry *iter;
+ int ret = BOOTMENU_RET_SUCCESS;
+ struct bootmenu_data *bootmenu;
+ efi_status_t efi_ret = EFI_SUCCESS;
char *option, *sep;
+ if (IS_ENABLED(CONFIG_CMD_BOOTEFI_BOOTMGR))
+ handle_uefi_bootnext();
+
/* If delay is 0 do not create menu, just run first entry */
if (delay == 0) {
option = bootmenu_getoption(0);
if (!option) {
puts("bootmenu option 0 was not found\n");
- return;
+ return BOOTMENU_RET_FAIL;
}
sep = strchr(option, '=');
if (!sep) {
puts("bootmenu option 0 is invalid\n");
- return;
+ return BOOTMENU_RET_FAIL;
}
- run_command(sep+1, 0);
- return;
+ cmd_ret = run_command(sep + 1, 0);
+ return (cmd_ret == CMD_RET_SUCCESS ? BOOTMENU_RET_SUCCESS : BOOTMENU_RET_FAIL);
}
bootmenu = bootmenu_create(delay);
if (!bootmenu)
- return;
+ return BOOTMENU_RET_FAIL;
menu = menu_create(NULL, bootmenu->delay, 1, menu_display_statusline,
bootmenu_print_entry, bootmenu_choice_entry,
bootmenu);
if (!menu) {
bootmenu_destroy(bootmenu);
- return;
+ return BOOTMENU_RET_FAIL;
}
for (iter = bootmenu->first; iter; iter = iter->next) {
@@ -478,8 +658,37 @@ static void bootmenu_show(int delay)
if (menu_get_choice(menu, &choice) == 1) {
iter = choice;
- title = strdup(iter->title);
+ title = u16_strdup(iter->title);
command = strdup(iter->command);
+
+ /* last entry is U-Boot console or Quit */
+ if (iter->num == iter->menu->count - 1) {
+ ret = BOOTMENU_RET_QUIT;
+ goto cleanup;
+ }
+ } else {
+ goto cleanup;
+ }
+
+ /*
+ * If the selected entry is UEFI BOOT####, set the BootNext variable.
+ * Then uefi bootmgr is invoked by the preset command in iter->command.
+ */
+ if (IS_ENABLED(CONFIG_CMD_BOOTEFI_BOOTMGR)) {
+ if (iter->type == BOOTMENU_TYPE_UEFI_BOOT_OPTION) {
+ /*
+ * UEFI specification requires BootNext variable needs non-volatile
+ * attribute, but this BootNext is only used inside of U-Boot and
+ * removed by efi bootmgr once BootNext is processed.
+ * So this BootNext can be volatile.
+ */
+ efi_ret = efi_set_variable_int(u"BootNext", &efi_global_variable_guid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS |
+ EFI_VARIABLE_RUNTIME_ACCESS,
+ sizeof(u16), &iter->bootorder, false);
+ if (efi_ret != EFI_SUCCESS)
+ goto cleanup;
+ }
}
cleanup:
@@ -493,21 +702,47 @@ cleanup:
}
if (title && command) {
- debug("Starting entry '%s'\n", title);
+ debug("Starting entry '%ls'\n", title);
free(title);
- run_command(command, 0);
+ if (efi_ret == EFI_SUCCESS)
+ cmd_ret = run_command(command, 0);
free(command);
}
#ifdef CONFIG_POSTBOOTMENU
run_command(CONFIG_POSTBOOTMENU, 0);
#endif
+
+ if (efi_ret != EFI_SUCCESS || cmd_ret != CMD_RET_SUCCESS)
+ ret = BOOTMENU_RET_FAIL;
+
+ return ret;
}
#ifdef CONFIG_AUTOBOOT_MENU_SHOW
int menu_show(int bootdelay)
{
- bootmenu_show(bootdelay);
+ int ret;
+
+ while (1) {
+ ret = bootmenu_show(bootdelay);
+ bootdelay = -1;
+ if (ret == BOOTMENU_RET_UPDATED)
+ continue;
+
+ if (!IS_ENABLED(CONFIG_CMD_BOOTMENU_ENTER_UBOOT_CONSOLE)) {
+ if (ret == BOOTMENU_RET_QUIT) {
+ /* default boot process */
+ if (IS_ENABLED(CONFIG_CMD_BOOTEFI_BOOTMGR))
+ run_command("bootefi bootmgr", 0);
+
+ run_command("run bootcmd", 0);
+ }
+ } else {
+ break;
+ }
+ }
+
return -1; /* -1 - abort boot and run monitor code */
}
#endif
generated by cgit v1.2.3 (git 2.0.4) at 2025-07-24 17:30:30 +0000