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Clear input key before show main menu

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This commit is contained in:
longpanda 2021-04-01 09:42:57 +08:00
parent 26c1756e8d
commit 32bcd8f87b
1 changed files with 30 additions and 0 deletions
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30
GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy.c
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@ -3461,6 +3461,35 @@ static grub_err_t ventoy_cmd_check_secureboot_var(grub_extcmd_context_t ctxt, in
} }
#endif #endif
static grub_err_t ventoy_cmd_clear_key(grub_extcmd_context_t ctxt, int argc, char **args)
{
int i;
int ret;
(void)ctxt;
(void)argc;
(void)args;
for (i = 0; i < 500; i++)
{
ret = grub_getkey_noblock();
if (ret == GRUB_TERM_NO_KEY)
{
break;
}
}
if (i >= 500)
{
grub_cls();
grub_printf("\n\n Still have key input after clear.\n");
grub_refresh();
grub_sleep(5);
}
return 0;
}
static grub_err_t ventoy_cmd_acpi_param(grub_extcmd_context_t ctxt, int argc, char **args) static grub_err_t ventoy_cmd_acpi_param(grub_extcmd_context_t ctxt, int argc, char **args)
{ {
int i; int i;
@ -4341,6 +4370,7 @@ static cmd_para ventoy_cmds[] =
{ "vt_img_unhook_root", ventoy_cmd_img_unhook_root, 0, NULL, "", "", NULL }, { "vt_img_unhook_root", ventoy_cmd_img_unhook_root, 0, NULL, "", "", NULL },
{ "vt_acpi_param", ventoy_cmd_acpi_param, 0, NULL, "", "", NULL }, { "vt_acpi_param", ventoy_cmd_acpi_param, 0, NULL, "", "", NULL },
{ "vt_check_secureboot_var", ventoy_cmd_check_secureboot_var, 0, NULL, "", "", NULL }, { "vt_check_secureboot_var", ventoy_cmd_check_secureboot_var, 0, NULL, "", "", NULL },
{ "vt_clear_key", ventoy_cmd_clear_key, 0, NULL, "", "", NULL },
}; };