[−][src]Module x86::controlregs

Functions to read and write control registers. See Intel Vol. 3a Section 2.5, especially Figure 2-7.

Structs

Cr0
Cr4
Xcr0

Functions

cr0⚠

Read cr0

cr0_write⚠

Write cr0.

cr2⚠

Contains page-fault linear address.

cr2_write⚠

Write cr2, for instance to reset cr2

cr3⚠

Contains page-table root pointer.

cr3_write⚠

Switch page-table PML4 pointer.

cr4⚠

Contains various flags to control operations in protected mode.

cr4_write⚠

Write cr4.

xcr0⚠

Read Extended Control Register XCR0. Only supported if CR4_ENABLE_OS_XSAVE is set.

xcr0_write⚠

Write to Extended Control Register XCR0. Only supported if CR4_ENABLE_OS_XSAVE is set.