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authorChristoffer Dall <cdall@cs.columbia.edu>2013-02-21 11:26:10 -0800
committerChristoffer Dall <cdall@cs.columbia.edu>2013-03-06 15:48:43 -0800
commitc088f8f0088decf0ce172a6bb4a6f5742cc54c15 (patch)
tree234ffa8054524cdc532e1975737a09756264db3c
parent3414bbfff98b2524c0b2cdc4d0a78153ebf4f823 (diff)
KVM: ARM: Reintroduce trace_kvm_hvc
This one got lost in the move to handle_exit, so let's reintroduce it using an accessor to the immediate value field like the other ones. Signed-off-by: Christoffer Dall <cdall@cs.columbia.edu>
-rw-r--r--arch/arm/include/asm/kvm_emulate.h5
-rw-r--r--arch/arm/kvm/handle_exit.c5
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/include/asm/kvm_emulate.h b/arch/arm/include/asm/kvm_emulate.h
index e14268c77af0..9cb2fe17cf3a 100644
--- a/arch/arm/include/asm/kvm_emulate.h
+++ b/arch/arm/include/asm/kvm_emulate.h
@@ -158,4 +158,9 @@ static inline u8 kvm_vcpu_trap_get_fault(struct kvm_vcpu *vcpu)
return kvm_vcpu_get_hsr(vcpu) & HSR_FSC_TYPE;
}
+static inline u32 kvm_vcpu_hvc_get_imm(struct kvm_vcpu *vcpu)
+{
+ return kvm_vcpu_get_hsr(vcpu) & HSR_HVC_IMM_MASK;
+}
+
#endif /* __ARM_KVM_EMULATE_H__ */
diff --git a/arch/arm/kvm/handle_exit.c b/arch/arm/kvm/handle_exit.c
index f1cc3a8a9c7e..301301808c4e 100644
--- a/arch/arm/kvm/handle_exit.c
+++ b/arch/arm/kvm/handle_exit.c
@@ -23,6 +23,8 @@
#include <asm/kvm_mmu.h>
#include <asm/kvm_psci.h>
+#include "trace.h"
+
typedef int (*exit_handle_fn)(struct kvm_vcpu *, struct kvm_run *);
static int handle_svc_hyp(struct kvm_vcpu *vcpu, struct kvm_run *run)
@@ -35,6 +37,9 @@ static int handle_svc_hyp(struct kvm_vcpu *vcpu, struct kvm_run *run)
static int handle_hvc(struct kvm_vcpu *vcpu, struct kvm_run *run)
{
+ trace_kvm_hvc(*vcpu_pc(vcpu), *vcpu_reg(vcpu, 0),
+ kvm_vcpu_hvc_get_imm(vcpu));
+
if (kvm_psci_call(vcpu))
return 1;