arm64: KVM: CPU specific 32bit coprocessor access

Enable handling of CPU specific 32bit coprocessor access. Not much
here either.

Reviewed-by: Christopher Covington <cov@codeaurora.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/arch/arm64/kvm/sys_regs_generic_v8.c b/arch/arm64/kvm/sys_regs_generic_v8.c
index d4e803907312..4268ab9356b1 100644
--- a/arch/arm64/kvm/sys_regs_generic_v8.c
+++ b/arch/arm64/kvm/sys_regs_generic_v8.c
@@ -59,11 +59,21 @@ static const struct sys_reg_desc genericv8_sys_regs[] = {
           access_actlr, reset_actlr, ACTLR_EL1 },
 };
 
+static const struct sys_reg_desc genericv8_cp15_regs[] = {
+        /* ACTLR */
+        { Op1(0b000), CRn(0b0001), CRm(0b0000), Op2(0b001),
+          access_actlr },
+};
+
 static struct kvm_sys_reg_target_table genericv8_target_table = {
         .table64 = {
                 .table = genericv8_sys_regs,
                 .num = ARRAY_SIZE(genericv8_sys_regs),
         },
+        .table32 = {
+                .table = genericv8_cp15_regs,
+                .num = ARRAY_SIZE(genericv8_cp15_regs),
+        },
 };
 
 static int __init sys_reg_genericv8_init(void)