[PATCH v1 07/13] KVM: arm64: Add config register bit definitions
Fuad Tabba
tabba at google.com
Tue Jun 8 07:11:35 PDT 2021
Add hardware configuration register bit definitions for HCR_EL2
and MDCR_EL2. Future patches toggle these hyp configuration
register bits to trap on certain accesses.
No functional change intended.
Signed-off-by: Fuad Tabba <tabba at google.com>
---
arch/arm64/include/asm/kvm_arm.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index d140e3c4c34f..5bb26be69c3f 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -12,7 +12,11 @@
#include <asm/types.h>
/* Hyp Configuration Register (HCR) bits */
+#define HCR_TID5 (UL(1) << 58)
+#define HCR_DCT (UL(1) << 57)
#define HCR_ATA (UL(1) << 56)
+#define HCR_AMVOFFEN (UL(1) << 51)
+#define HCR_FIEN (UL(1) << 47)
#define HCR_FWB (UL(1) << 46)
#define HCR_API (UL(1) << 41)
#define HCR_APK (UL(1) << 40)
@@ -280,7 +284,11 @@
/* Hyp Debug Configuration Register bits */
#define MDCR_EL2_E2TB_MASK (UL(0x3))
#define MDCR_EL2_E2TB_SHIFT (UL(24))
+#define MDCR_EL2_MTPME (UL(1) << 28)
+#define MDCR_EL2_TDCC (UL(1) << 27)
+#define MDCR_EL2_HCCD (UL(1) << 23)
#define MDCR_EL2_TTRF (UL(1) << 19)
+#define MDCR_EL2_HPMD (UL(1) << 17)
#define MDCR_EL2_TPMS (UL(1) << 14)
#define MDCR_EL2_E2PB_MASK (UL(0x3))
#define MDCR_EL2_E2PB_SHIFT (UL(12))
--
2.32.0.rc1.229.g3e70b5a671-goog
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