Hi Marc, On Tue, Aug 8, 2023 at 4:47 AM Marc Zyngier <maz@xxxxxxxxxx> wrote: > > Add the encodings for the AT operation that are usable from NS. > > Reviewed-by: Eric Auger <eric.auger@xxxxxxxxxx> > Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx> > Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx> > Reviewed-by: Miguel Luis <miguel.luis@xxxxxxxxxx> > Reviewed-by: Zenghui Yu <yuzenghui@xxxxxxxxxx> > --- > arch/arm64/include/asm/sysreg.h | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h > index 72e18480ce62..76289339b43b 100644 > --- a/arch/arm64/include/asm/sysreg.h > +++ b/arch/arm64/include/asm/sysreg.h > @@ -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) > -- > 2.34.1 > > Reviewed-by: Jing Zhang <jingzhangos@xxxxxxxxxx>
