MSR_IA32_BNDCFGS_REGISTER Union Reference

#include <MdePkg/Include/Register/Intel/ArchitecturalMsr.h>

Data Fields
struct {
UINT32   EN: 1
UINT32   BNDPRESERVE: 1
UINT32   Reserved: 10
UINT32   Base: 20
UINT32   BaseHi: 32
}	Bits
UINT64	Uint64

Detailed Description

MSR information returned for MSR index MSR_IA32_BNDCFGS

Definition at line 6115 of file ArchitecturalMsr.h.

Field Documentation

Base

UINT32 MSR_IA32_BNDCFGS_REGISTER::Base

[Bits 31:12] Base Address of Bound Directory.

Definition at line 6133 of file ArchitecturalMsr.h.

BaseHi

UINT32 MSR_IA32_BNDCFGS_REGISTER::BaseHi

[Bits 63:32] Base Address of Bound Directory.

Definition at line 6137 of file ArchitecturalMsr.h.

struct { ... } MSR_IA32_BNDCFGS_REGISTER::Bits

Individual bit fields

BNDPRESERVE

UINT32 MSR_IA32_BNDCFGS_REGISTER::BNDPRESERVE

[Bit 1] BNDPRESERVE: Preserve the bounds registers for near branch instructions in the absence of the BND prefix.

Definition at line 6128 of file ArchitecturalMsr.h.

EN

UINT32 MSR_IA32_BNDCFGS_REGISTER::EN

[Bit 0] EN: Enable Intel MPX in supervisor mode.

Definition at line 6123 of file ArchitecturalMsr.h.

Reserved

UINT32 MSR_IA32_BNDCFGS_REGISTER::Reserved

Definition at line 6129 of file ArchitecturalMsr.h.

Uint64

UINT64 MSR_IA32_BNDCFGS_REGISTER::Uint64

All bit fields as a 64-bit value

Definition at line 6142 of file ArchitecturalMsr.h.

---

The documentation for this union was generated from the following file:

• MdePkg/Include/Register/Intel/ArchitecturalMsr.h