75 lines
No EOL
3.2 KiB
C
75 lines
No EOL
3.2 KiB
C
/*********************************************************************************/
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/* Module Name: power.c */
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/* Project: AurixOS */
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/* */
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/* Copyright (c) 2024-2025 Jozef Nagy */
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/* */
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/* This source is subject to the MIT License. */
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/* See License.txt in the root of this repository. */
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/* All other rights reserved. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR */
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/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, */
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/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE */
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/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER */
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/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
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/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE */
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/* SOFTWARE. */
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/*********************************************************************************/
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#include <power.h>
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#include <efi.h>
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#include <efilib.h>
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#include <axboot.h>
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#include <print.h>
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#include <stdbool.h>
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bool platform_is_reboot_to_fw_possible()
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{
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EFI_STATUS Status;
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EFI_UINT64 OsIndications;
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EFI_UINTN OsIndicationsSize = sizeof(EFI_UINT64);
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EFI_GUID GlobalVarGuid = EFI_GLOBAL_VARIABLE;
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Status = gSystemTable->RuntimeServices->GetVariable(L"OsIndicationsSupported", &GlobalVarGuid, NULL, &OsIndicationsSize, &OsIndications);
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if (!EFI_ERROR(Status)) {
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if (OsIndications & EFI_OS_INDICATIONS_BOOT_TO_FW_UI) {
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debug("platform_is_reboot_to_fw_possible(): Boot to firmware UI is possible!\n");
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return true;
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}
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} else {
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debug("platform_is_reboot_to_fw_possible(): Failed to get OsIndications variable: 0x%llx (%s) \n", Status, efi_status_to_str(Status));
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}
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return false;
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}
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void platform_reboot_to_fw()
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{
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if (!platform_is_reboot_to_fw_possible()) {
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return;
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}
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EFI_STATUS Status;
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EFI_UINT64 OsIndications = EFI_OS_INDICATIONS_BOOT_TO_FW_UI;
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EFI_UINTN OsIndicationsSize = sizeof(EFI_UINT64);
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EFI_GUID GlobalVarGuid = EFI_GLOBAL_VARIABLE;
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Status = gSystemTable->RuntimeServices->SetVariable(L"OsIndications", &GlobalVarGuid, EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS, OsIndicationsSize, &OsIndications);
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if (EFI_ERROR(Status)) {
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debug("platform_reboot_to_fw(): Failed to set OsIndications variable: 0x%llx (%s) \n", Status, efi_status_to_str(Status));
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}
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gSystemTable->RuntimeServices->ResetSystem(EfiResetCold, EFI_SUCCESS, 0, NULL);
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}
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void platform_reboot()
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{
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gSystemTable->RuntimeServices->ResetSystem(EfiResetWarm, EFI_SUCCESS, 0, NULL);
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}
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void platform_shutdown()
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{
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gSystemTable->RuntimeServices->ResetSystem(EfiResetShutdown, EFI_SUCCESS, 0, NULL);
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} |