ret = runtime->set_variable(u"efi_st_var0", &guid_vendor0, EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE, 0, NULL); if (ret != EFI_NOT_FOUND) { efi_st_error("SetVaria
memset(&result.capsule_processed, 0, sizeof(time)); result.capsule_status = return_status; ret = efi_set_variable_int(variable_name16, &efi_guid_capsule_report, EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS, ...
* All runtime access to EFI goes through this structure: */ extern struct efi { const efi_runtime_services_t *runtime; /* EFI runtime services table */ unsigned int runtime_version; /* Runtime services version */ unsigned int runtime_supported_mask; unsigned long acpi; /* ...
UEFI Runtime Services: 系统重启时,需要将修改后的启动项和配置永久保存在非易失性存储(NVRAM)中。SetVariable() 和GetVariable() 等API 用于访问 NVRAM 中存储的启动项数据。 2. 操作系统依赖 EFI Boot Editor 需要与操作系统协作,以确保能够访问和修改固件设置。它通常运行在操作系统环境下,因此,操作系统的功能...
time 显示当前时间或设置系统 (nPartition) 时间。以 GMT(格林威治标准时间)设置和显示 EFI 时间。 variable 保存(或恢复)特定的 EFI 变量。 ver 显示版本信息。 设备、驱动程序和句柄命令 — EFI Shell 用于管理设备、驱动程序和句柄的命令。 baud 查看串行端口 com 设置。 connect 将驱动程序绑定到设备。 dblk...
INF MdeModulePkg/Universal/Variable/RuntimeDxe/VariableRuntimeDxe.inf 1. 2. 3. 4. 其中FvbServicesRuntimeDxe.inf有一个优先执行的配置,所以它会是上述模块中第一个执行的。 APRIORI DXE { INF MdeModulePkg/Universal/DevicePathDxe/DevicePathDxe.inf ...
[Boot] services are also available to drivers and applications that need access to platform capability. Boot services terminate once the operating system takes control of the platform. Boot Services Time (This definition is copied and pasted from the EFI 1.10 Specification, for the convenience of ...
I've already found a few posts here that explain how to repair the EFI partition. How to do that is not my question. Q1: Is this just windows being...
EFI_VARIABLE_RUNTIME_ACCESS, size, bootorder)); ret = (ret == EFI_SUCCESS ? CMD_RET_SUCCESS : CMD_RET_FAILURE); r = (ret == EFI_SUCCESS ? CMD_RET_SUCCESS : CMD_RET_FAILURE); out: free(bootorder);return ret; return r;
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS, size, &bootnext)); @@ -964,6 +966,7 @@ static int do_efi_boot_order(cmd_tbl_t *cmdtp, int flag,guid = efi_global_variable_guid;ret