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authorMarc Zyngier <maz@kernel.org>2022-05-04 09:42:16 +0100
committerMarc Zyngier <maz@kernel.org>2022-05-04 09:42:16 +0100
commitb2c4caf3316ce535af333bbd2cd99ad96f991074 (patch)
tree33bd05ec99caab3a0cab27f7f65f2fed2b64d9f2 /arch/arm64/include/asm/esr.h
parent4b88524c47d7bffd5aaabf918c7759c74a1c577b (diff)
parent06e0b802583d7bbc075476d90da995ee3e6053d5 (diff)
Merge branch kvm-arm64/wfxt into kvmarm-master/next
* kvm-arm64/wfxt: : . : Add support for the WFET/WFIT instructions that provide the same : service as WFE/WFI, only with a timeout. : . KVM: arm64: Expose the WFXT feature to guests KVM: arm64: Offer early resume for non-blocking WFxT instructions KVM: arm64: Handle blocking WFIT instruction KVM: arm64: Introduce kvm_counter_compute_delta() helper KVM: arm64: Simplify kvm_cpu_has_pending_timer() arm64: Use WFxT for __delay() when possible arm64: Add wfet()/wfit() helpers arm64: Add HWCAP advertising FEAT_WFXT arm64: Add RV and RN fields for ESR_ELx_WFx_ISS arm64: Expand ESR_ELx_WFx_ISS_TI to match its ARMv8.7 definition Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm64/include/asm/esr.h')
-rw-r--r--arch/arm64/include/asm/esr.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h
index 0467837fd66b..0bc9941b412e 100644
--- a/arch/arm64/include/asm/esr.h
+++ b/arch/arm64/include/asm/esr.h
@@ -135,7 +135,10 @@
#define ESR_ELx_CV (UL(1) << 24)
#define ESR_ELx_COND_SHIFT (20)
#define ESR_ELx_COND_MASK (UL(0xF) << ESR_ELx_COND_SHIFT)
-#define ESR_ELx_WFx_ISS_TI (UL(1) << 0)
+#define ESR_ELx_WFx_ISS_RN (UL(0x1F) << 5)
+#define ESR_ELx_WFx_ISS_RV (UL(1) << 2)
+#define ESR_ELx_WFx_ISS_TI (UL(3) << 0)
+#define ESR_ELx_WFx_ISS_WFxT (UL(2) << 0)
#define ESR_ELx_WFx_ISS_WFI (UL(0) << 0)
#define ESR_ELx_WFx_ISS_WFE (UL(1) << 0)
#define ESR_ELx_xVC_IMM_MASK ((1UL << 16) - 1)
@@ -148,7 +151,8 @@
#define DISR_EL1_ESR_MASK (ESR_ELx_AET | ESR_ELx_EA | ESR_ELx_FSC)
/* ESR value templates for specific events */
-#define ESR_ELx_WFx_MASK (ESR_ELx_EC_MASK | ESR_ELx_WFx_ISS_TI)
+#define ESR_ELx_WFx_MASK (ESR_ELx_EC_MASK | \
+ (ESR_ELx_WFx_ISS_TI & ~ESR_ELx_WFx_ISS_WFxT))
#define ESR_ELx_WFx_WFI_VAL ((ESR_ELx_EC_WFx << ESR_ELx_EC_SHIFT) | \
ESR_ELx_WFx_ISS_WFI)