Commit 6dcd2ac7 authored by Marc Zyngier's avatar Marc Zyngier
Browse files

arm64: Add PAR_EL1 field description 



As KVM is about to grow a full emulation for the AT instructions,
add the layout of the PAR_EL1 register in its non-D128 configuration.

Note that the constants are a bit ugly, as the register has two
layouts, based on the state of the F bit.

Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
parent 4abc783e

arch/arm64/include/asm/sysreg.h

+18 −0
Original line number Diff line number Diff line
@@ -325,7 +325,25 @@ 
#define SYS_PAR_EL1			sys_reg(3, 0, 7, 4, 0)



#define SYS_PAR_EL1_F			BIT(0)

/* When PAR_EL1.F == 1 */

#define SYS_PAR_EL1_FST			GENMASK(6, 1)

#define SYS_PAR_EL1_PTW			BIT(8)

#define SYS_PAR_EL1_S			BIT(9)

#define SYS_PAR_EL1_AssuredOnly		BIT(12)

#define SYS_PAR_EL1_TopLevel		BIT(13)

#define SYS_PAR_EL1_Overlay		BIT(14)

#define SYS_PAR_EL1_DirtyBit		BIT(15)

#define SYS_PAR_EL1_F1_IMPDEF		GENMASK_ULL(63, 48)

#define SYS_PAR_EL1_F1_RES0		(BIT(7) | BIT(10) | GENMASK_ULL(47, 16))

#define SYS_PAR_EL1_RES1		BIT(11)

/* When PAR_EL1.F == 0 */

#define SYS_PAR_EL1_SH			GENMASK_ULL(8, 7)

#define SYS_PAR_EL1_NS			BIT(9)

#define SYS_PAR_EL1_F0_IMPDEF		BIT(10)

#define SYS_PAR_EL1_NSE			BIT(11)

#define SYS_PAR_EL1_PA			GENMASK_ULL(51, 12)

#define SYS_PAR_EL1_ATTR		GENMASK_ULL(63, 56)

#define SYS_PAR_EL1_F0_RES0		(GENMASK_ULL(6, 1) | GENMASK_ULL(55, 52))



/*** Statistical Profiling Extension ***/

#define PMSEVFR_EL1_RES0_IMP	\