Module cortex_a::registers::HCR_EL2::API

Controls the use of instructions related to Pointer Authentication:

• In EL0, when HCR_EL2.TGE==0 or HCR_EL2.E2H==0, and the associated SCTLR_EL1.En==1.
• In EL1, the associated SCTLR_EL1.En==1.

Traps are reported using EC syndrome value 0x09. The Pointer Authentication instructions trapped are:

AUTDA, AUTDB, AUTDZA, AUTDZB, AUTIA, AUTIA1716, AUTIASP, AUTIAZ, AUTIB, AUTIB1716, AUTIBSP, AUTIBZ, AUTIZA, AUTIZB, PACGA, PACDA, PACDB, PACDZA, PACDZB, PACIA, PACIA1716, PACIASP, PACIAZ, PACIB, PACIB1716, PACIBSP, PACIBZ, PACIZA, PACIZB, RETAA, RETAB, BRAA, BRAB, BLRAA, BLRAB, BRAAZ, BRABZ, BLRAAZ, BLRABZ, ERETAA, ERETAB, LDRAA, and LDRAB.

Enums

Value

Controls the use of instructions related to Pointer Authentication:

Constants

CLEAR

DisableTrapPointerAuthInstToEl2

EnableTrapPointerAuthInstToEl2

SET