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menu: Support rebooting to UEFI firmware setup. Closes #299

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48cf 2023-11-24 01:47:40 +01:00 committed by mintsuki
parent 6374a0027b
commit 25686280bc
3 changed files with 75 additions and 0 deletions
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7
common/console.c
View File

@ -21,6 +21,7 @@ static void console_help(void) {
"lsvol -- List volumes.\n"
"firmware -- Show firmware type.\n"
#if defined (UEFI)
"setup -- Reboot to firmware setup.\n"
"slide -- Print load slide offset.\n"
#endif
"version -- Print version.\n"
@ -66,6 +67,12 @@ void console(void) {
print("unknown\n");
#endif
#if defined (UEFI)
} else if (strcmp(prompt, "setup") == 0) {
if (reboot_to_fw_ui_supported()) {
reboot_to_fw_ui();
} else {
print("Your firmware does not support rebooting to the firmware UI.\n");
}
} else if (strcmp(prompt, "slide") == 0) {
print("%p\n", __slide);
#endif

63
common/menu.c
View File

@ -628,6 +628,50 @@ static void menu_init_term(void) {
}
}
#if defined(UEFI)
bool reboot_to_fw_ui_supported(void) {
uint64_t os_indications_supported;
UINTN size = sizeof(os_indications_supported);
EFI_GUID global_variable = EFI_GLOBAL_VARIABLE;
EFI_STATUS status = gRT->GetVariable(L"OsIndicationsSupported", &global_variable, NULL, &size, &os_indications_supported);
if (status == EFI_SUCCESS && size == sizeof(os_indications_supported)) {
return (os_indications_supported & EFI_OS_INDICATIONS_BOOT_TO_FW_UI) != 0;
}
return false;
}
noreturn void reboot_to_fw_ui(void) {
reset_term();
print("Rebooting to the firmware setup...\n");
uint64_t os_indications;
UINTN size = sizeof(os_indications);
EFI_GUID global_variable = EFI_GLOBAL_VARIABLE;
EFI_STATUS status = gRT->GetVariable(L"OsIndications", &global_variable, NULL, &size, &os_indications);
if (status != EFI_SUCCESS || size != sizeof(os_indications)) {
if (status == EFI_NOT_FOUND) {
os_indications = 0;
goto not_found;
}
panic(true, "Failed to get OsIndications variable, status=%X", status);
}
not_found:;
uint64_t new_os_indications = os_indications | EFI_OS_INDICATIONS_BOOT_TO_FW_UI;
status = gRT->SetVariable(L"OsIndications", &global_variable,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
sizeof(new_os_indications), &new_os_indications);
if (status != EFI_SUCCESS) {
panic(true, "Failed to set OsIndications variable, status=%X", status);
}
gRT->ResetSystem(EfiResetWarm, EFI_SUCCESS, 0, NULL);
panic(true, "Failed to reboot to firmware UI");
}
#endif
noreturn void _menu(bool first_run) {
size_t data_size = (uintptr_t)data_end - (uintptr_t)data_begin;
#if defined (BIOS)
@ -739,6 +783,10 @@ noreturn void _menu(bool first_run) {
timeout = strtoui(timeout_config, NULL, 10);
}
#if defined(UEFI)
bool reboot_to_firmware_supported = reboot_to_fw_ui_supported();
#endif
if (!first_run) {
skip_timeout = true;
}
@ -831,6 +879,12 @@ refresh:
print(" \e[32mARROWS\e[0m Select \e[32mENTER\e[0m %s",
selected_menu_entry->expanded ? "Collapse" : "Expand");
}
#if defined(UEFI)
if (reboot_to_firmware_supported) {
set_cursor_pos_helper(terms[0]->cols - 33, 3);
print("\e[32mS\e[0m Firmware Setup");
}
#endif
set_cursor_pos_helper(terms[0]->cols - 13, 3);
print("\e[32mC\e[0m Console");
}
@ -941,6 +995,15 @@ timeout_aborted:
}
break;
}
#if defined(UEFI)
case 's':
case 'S': {
if (reboot_to_firmware_supported) {
reboot_to_fw_ui();
}
break;
}
#endif
case 'c':
case 'C': {
reset_term();

5
common/menu.h
View File

@ -4,6 +4,11 @@
#include <stdbool.h>
#include <stdnoreturn.h>
#if defined(UEFI)
bool reboot_to_fw_ui_supported(void);
noreturn void reboot_to_fw_ui(void);
#endif
noreturn void menu(bool first_run);
noreturn void boot(char *config);