[Qemu-arm] [PATCH RFC 1/7] ARM64: KVM: Add the definition of ID registers

[Shannon Zhao]

From: Shannon Zhao <address@hidden>

Add a new memeber in kvm_cpu_context to save the ID registers value.

Signed-off-by: Shannon Zhao <address@hidden>
---
 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