This commit adds the menu-driven update of UEFI bootorder
variable.
Signed-off-by: Masahisa Kojima <masahisa.koj...@linaro.org>
---
Changes in v5:
- split into the separate patch
lib/efi_loader/efi_bootmenu_maintenance.c | 102 ++++++++++++++++++++++
1 file changed, 102 insertions(+)
diff --git a/lib/efi_loader/efi_bootmenu_maintenance.c
b/lib/efi_loader/efi_bootmenu_maintenance.c
index 26320a8b73..8c3f94c695 100644
--- a/lib/efi_loader/efi_bootmenu_maintenance.c
+++ b/lib/efi_loader/efi_bootmenu_maintenance.c
@@ -719,6 +719,56 @@ static efi_status_t
efi_bootmenu_boot_add_enter_name(struct efi_bootmenu_boot_op
return ret;
}
+static efi_status_t allow_decimal(struct efi_input_key *key)
+{
+ if (u'0' <= key->unicode_char && key->unicode_char <= u'9')
+ return EFI_SUCCESS;
+
+ return EFI_INVALID_PARAMETER;
+}
+
+static efi_status_t efi_bootmenu_change_boot_order(int selected, int max, int
*new)
+{
+ efi_status_t ret;
+ u16 new_order[EFI_BOOT_ORDER_MAX_SIZE_IN_DECIMAL] = {0};
+
+ printf(ANSI_CURSOR_POSITION, 2, 1);
+ puts(" *** U-Boot EFI Boot Manager Menu ***");
+ printf(ANSI_CURSOR_POSITION, 4, 1);
+ printf(" current boot order : %d", selected);
+
+ printf(ANSI_CURSOR_POSITION, 6, 1);
+ printf(" new boot order(0 - %4d): ", max);
+
+ printf(ANSI_CURSOR_POSITION, 8, 1);
+ puts(" ENTER to complete, ESC/CTRL+C to quit");
+
+ printf(ANSI_CURSOR_POSITION, 6, 29);
+ puts(ANSI_CURSOR_SHOW);
+
+ for (;;) {
+ memset(new_order, 0, sizeof(new_order));
+ ret = efi_console_get_u16_string(cin, cout, new_order, 6,
allow_decimal, 6, 29);
+ if (ret == EFI_SUCCESS) {
+ int i;
+ int val = 0;
+
+ for (i = 0;
+ i < u16_strnlen(new_order,
EFI_BOOT_ORDER_MAX_SIZE_IN_DECIMAL - 1);
+ i++)
+ val = (val * 10) + (new_order[i] - u'0');
+
+ if (val > max)
+ continue;
+
+ *new = val;
+ return EFI_SUCCESS;
+ } else {
+ return ret;
+ }
+ }
+}
+
static efi_status_t efi_bootmenu_select_file_handler(struct
efi_bootmenu_boot_option *bo)
{
efi_status_t ret;
@@ -958,6 +1008,57 @@ static efi_status_t
efi_bootmenu_process_delete_boot_option(void *data, bool *ex
return ret;
}
+static efi_status_t efi_bootmenu_process_change_boot_order(void *data, bool
*exit)
+{
+ int selected;
+ int new_order;
+ efi_status_t ret;
+ efi_uintn_t num, size;
+ u16 *bootorder = NULL;
+ u16 *new_bootorder = NULL;
+
+ bootorder = efi_get_var(u"BootOrder", &efi_global_variable_guid, &size);
+ if (!bootorder)
+ return EFI_NOT_FOUND;
+
+ num = size / sizeof(u16);
+ ret = efi_bootmenu_show_boot_selection(bootorder, num, &selected);
+ if (ret != EFI_SUCCESS)
+ goto out;
+
+ ret = efi_bootmenu_change_boot_order(selected, num - 1, &new_order);
+ if (ret != EFI_SUCCESS)
+ goto out;
+
+ new_bootorder = calloc(1, size);
+ if (!new_bootorder)
+ goto out;
+
+ memcpy(new_bootorder, bootorder, size);
+ if (selected > new_order) {
+ new_bootorder[new_order] = bootorder[selected];
+ memcpy(&new_bootorder[new_order + 1], &bootorder[new_order],
+ (selected - new_order) * sizeof(u16));
+ } else if (selected < new_order) {
+ new_bootorder[new_order] = bootorder[selected];
+ memcpy(&new_bootorder[selected], &bootorder[selected + 1],
+ (new_order - selected) * sizeof(u16));
+ } else {
+ /* nothing to change */
+ goto out;
+ }
+ ret = efi_set_variable_int(u"BootOrder", &efi_global_variable_guid,
+ EFI_VARIABLE_NON_VOLATILE |
+ EFI_VARIABLE_BOOTSERVICE_ACCESS |
+ EFI_VARIABLE_RUNTIME_ACCESS,
+ size, new_bootorder, false);
+out:
+ free(new_bootorder);
+ free(bootorder);
+
+ return ret;
+}
+
static efi_status_t efi_bootmenu_init(void)
{
efi_status_t ret;
@@ -987,6 +1088,7 @@ static efi_status_t efi_bootmenu_init(void)
static const struct efi_bootmenu_item maintenance_menu_items[] = {
{u"Add Boot Option", efi_bootmenu_process_add_boot_option},
{u"Delete Boot Option", efi_bootmenu_process_delete_boot_option},
+ {u"Change Boot Order", efi_bootmenu_process_change_boot_order},
{u"Quit", NULL},
};
--
2.17.1
