From: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
Add a new memeber in kvm_cpu_context to save the ID registers value.
Signed-off-by: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
---
arch/arm64/include/asm/kvm_host.h | 46 +++++++++++++++++++++++++++++++++++++++
1 file changed, 46 insertions(+)
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index e505038..6034f92 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -187,12 +187,57 @@ enum vcpu_sysreg {
#define NR_COPRO_REGS (NR_SYS_REGS * 2)
+enum id_vcpu_sysreg {
+ MIDR_EL1,
+ /* ID group 1 registers */
+ REVIDR_EL1,
+ AIDR_EL1,
+
+ /* ID group 2 registers */
+ CTR_EL0,
+ CCSIDR_EL1,
+ CLIDR_EL1,
+
+ /* ID group 3 registers */
+ ID_PFR0_EL1,
+ ID_PFR1_EL1,
+ ID_DFR0_EL1,
+ ID_AFR0_EL1,
+ ID_MMFR0_EL1,
+ ID_MMFR1_EL1,
+ ID_MMFR2_EL1,
+ ID_MMFR3_EL1,
+ ID_ISAR0_EL1,
+ ID_ISAR1_EL1,
+ ID_ISAR2_EL1,
+ ID_ISAR3_EL1,
+ ID_ISAR4_EL1,
+ ID_ISAR5_EL1,
+ MVFR0_EL1,
+ MVFR1_EL1,
+ MVFR2_EL1,
+ ID_AA64PFR0_EL1,
+ ID_AA64PFR1_EL1,
+ ID_AA64DFR0_EL1,
+ ID_AA64DFR1_EL1,
+ ID_AA64ISAR0_EL1,
+ ID_AA64ISAR1_EL1,
+ ID_AA64MMFR0_EL1,
+ ID_AA64MMFR1_EL1,
+ ID_AA64AFR0_EL1,
+ ID_AA64AFR1_EL1,
+ ID_MMFR4_EL1,
+
+ NR_ID_SYS_REGS
+};
+
struct kvm_cpu_context {
struct kvm_regs gp_regs;
union {
u64 sys_regs[NR_SYS_REGS];
u32 copro[NR_COPRO_REGS];
};
+ u64 id_sys_regs[NR_ID_SYS_REGS];
};
typedef struct kvm_cpu_context kvm_cpu_context_t;
@@ -277,6 +322,7 @@ struct kvm_vcpu_arch {
#define vcpu_gp_regs(v) (&(v)->arch.ctxt.gp_regs)
#define vcpu_sys_reg(v,r) ((v)->arch.ctxt.sys_regs[(r)])
+#define vcpu_id_sys_reg(v,r) ((v)->arch.ctxt.id_sys_regs[(r)])
/*
* CP14 and CP15 live in the same array, as they are backed by the
* same system registers.
--
2.0.4
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