Module context

CPU execution context control.

Modules

cpuid

Support for the CPUID instructions.

tdx 🔒

Macros

cpu_context_impl_getter_setter 🔒

define_cpu_exception 🔒

Structs

CpuExceptionInfo

CPU exception information.

FpuState

The FPU state of user task.

FxSaveArea 🔒

GeneralRegs

General registers.

PageFaultErrorCode

Page Fault error code. Following the Intel Architectures Software Developer’s Manual Volume 3

UserContext

Userspace CPU context, including both general-purpose registers and FPU state.

XSaveArea 🔒

The modern FPU state format (as saved by the XSAVE`` and restored by the XRSTOR` instructions).

Enums

CpuException

CPU exception.

CpuExceptionType

As Osdev Wiki defines(https://wiki.osdev.org/Exceptions): CPU exceptions are classified as:

Constants

MAX_XSAVE_AREA_SIZE 🔒

The max size in bytes of the XSAVE area.

XFEATURE_MASK_USER_RESTORE 🔒

Mask features which are restored when returning to user space.

Statics

XSAVE_AREA_SIZE 🔒

The real size in bytes of the XSAVE area containing all states enabled by XCRO | IA32_XSS.

XSTATE_MAX_FEATURES 🔒

The XSTATE features (user & supervisor) supported by the processor.

Functions

enable_essential_features 🔒