Commit 2b97411f authored by Marc Zyngier's avatar Marc Zyngier
Browse files

arm64: Add AT operation encodings 



Add the encodings for the AT operation that are usable from NS.

Reviewed-by: default avatarEric Auger <eric.auger@redhat.com>
Acked-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Reviewed-by: default avatarMiguel Luis <miguel.luis@oracle.com>
Reviewed-by: default avatarZenghui Yu <yuzenghui@huawei.com>
Reviewed-by: default avatarJing Zhang <jingzhangos@google.com>
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230815183903.2735724-6-maz@kernel.org
parent fb1926cc

arch/arm64/include/asm/sysreg.h

+17 −0
Original line number Diff line number Diff line
@@ -514,6 +514,23 @@ 


#define SYS_SP_EL2			sys_reg(3, 6,  4, 1, 0)



/* AT instructions */

#define AT_Op0 1

#define AT_CRn 7



#define OP_AT_S1E1R	sys_insn(AT_Op0, 0, AT_CRn, 8, 0)

#define OP_AT_S1E1W	sys_insn(AT_Op0, 0, AT_CRn, 8, 1)

#define OP_AT_S1E0R	sys_insn(AT_Op0, 0, AT_CRn, 8, 2)

#define OP_AT_S1E0W	sys_insn(AT_Op0, 0, AT_CRn, 8, 3)

#define OP_AT_S1E1RP	sys_insn(AT_Op0, 0, AT_CRn, 9, 0)

#define OP_AT_S1E1WP	sys_insn(AT_Op0, 0, AT_CRn, 9, 1)

#define OP_AT_S1E2R	sys_insn(AT_Op0, 4, AT_CRn, 8, 0)

#define OP_AT_S1E2W	sys_insn(AT_Op0, 4, AT_CRn, 8, 1)

#define OP_AT_S12E1R	sys_insn(AT_Op0, 4, AT_CRn, 8, 4)

#define OP_AT_S12E1W	sys_insn(AT_Op0, 4, AT_CRn, 8, 5)

#define OP_AT_S12E0R	sys_insn(AT_Op0, 4, AT_CRn, 8, 6)

#define OP_AT_S12E0W	sys_insn(AT_Op0, 4, AT_CRn, 8, 7)



/* TLBI instructions */

#define OP_TLBI_VMALLE1OS		sys_insn(1, 0, 8, 1, 0)

#define OP_TLBI_VAE1OS			sys_insn(1, 0, 8, 1, 1)