Commit d0be0b2e authored by Marc Zyngier's avatar Marc Zyngier
Browse files

KVM: arm64: nv: Add trap forwarding for HDFGxTR_EL2 



... and finally, the Debug version of FGT, with its *enormous*
list of trapped registers.

Reviewed-by: default avatarSuzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: default avatarEric Auger <eric.auger@redhat.com>
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Reviewed-by: default avatarJing Zhang <jingzhangos@google.com>
Link: https://lore.kernel.org/r/20230815183903.2735724-23-maz@kernel.org
parent 039f9f12

arch/arm64/include/asm/kvm_arm.h

+11 −0
Original line number Diff line number Diff line
@@ -358,6 +358,17 @@ 
#define __HFGITR_EL2_MASK	GENMASK(54, 0)

#define __HFGITR_EL2_nMASK	GENMASK(56, 55)



#define __HDFGRTR_EL2_RES0	(BIT(49) | BIT(42) | GENMASK(39, 38) |	\

				 GENMASK(21, 20) | BIT(8))

#define __HDFGRTR_EL2_MASK	~__HDFGRTR_EL2_nMASK

#define __HDFGRTR_EL2_nMASK	GENMASK(62, 59)



#define __HDFGWTR_EL2_RES0	(BIT(63) | GENMASK(59, 58) | BIT(51) | BIT(47) | \

				 BIT(43) | GENMASK(40, 38) | BIT(34) | BIT(30) | \

				 BIT(22) | BIT(9) | BIT(6))

#define __HDFGWTR_EL2_MASK	~__HDFGWTR_EL2_nMASK

#define __HDFGWTR_EL2_nMASK	GENMASK(62, 60)



/* Hyp Prefetch Fault Address Register (HPFAR/HDFAR) */

#define HPFAR_MASK	(~UL(0xf))

/*

arch/arm64/kvm/emulate-nested.c

+474 −0

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