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Diffstat (limited to 'arch/arm/include/asm/kvm_host.h')
-rw-r--r--arch/arm/include/asm/kvm_host.h47
1 files changed, 32 insertions, 15 deletions
diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h
index 0c4e643d939e..57cb786a6203 100644
--- a/arch/arm/include/asm/kvm_host.h
+++ b/arch/arm/include/asm/kvm_host.h
@@ -87,7 +87,7 @@ struct kvm_vcpu_fault_info {
u32 hyp_pc; /* PC when exception was taken from Hyp mode */
};
-typedef struct vfp_hard_struct kvm_kernel_vfp_t;
+typedef struct vfp_hard_struct kvm_cpu_context_t;
struct kvm_vcpu_arch {
struct kvm_regs regs;
@@ -105,8 +105,10 @@ struct kvm_vcpu_arch {
struct kvm_vcpu_fault_info fault;
/* Floating point registers (VFP and Advanced SIMD/NEON) */
- kvm_kernel_vfp_t vfp_guest;
- kvm_kernel_vfp_t *vfp_host;
+ struct vfp_hard_struct vfp_guest;
+
+ /* Host FP context */
+ kvm_cpu_context_t *host_cpu_context;
/* VGIC state */
struct vgic_cpu vgic_cpu;
@@ -188,23 +190,38 @@ int kvm_arm_coproc_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *);
int handle_exit(struct kvm_vcpu *vcpu, struct kvm_run *run,
int exception_index);
-static inline void __cpu_init_hyp_mode(unsigned long long pgd_ptr,
+static inline void __cpu_init_hyp_mode(unsigned long long boot_pgd_ptr,
+ unsigned long long pgd_ptr,
unsigned long hyp_stack_ptr,
unsigned long vector_ptr)
{
- unsigned long pgd_low, pgd_high;
-
- pgd_low = (pgd_ptr & ((1ULL << 32) - 1));
- pgd_high = (pgd_ptr >> 32ULL);
-
/*
- * Call initialization code, and switch to the full blown
- * HYP code. The init code doesn't need to preserve these registers as
- * r1-r3 and r12 are already callee save according to the AAPCS.
- * Note that we slightly misuse the prototype by casing the pgd_low to
- * a void *.
+ * Call initialization code, and switch to the full blown HYP
+ * code. The init code doesn't need to preserve these
+ * registers as r0-r3 are already callee saved according to
+ * the AAPCS.
+ * Note that we slightly misuse the prototype by casing the
+ * stack pointer to a void *.
+ *
+ * We don't have enough registers to perform the full init in
+ * one go. Install the boot PGD first, and then install the
+ * runtime PGD, stack pointer and vectors. The PGDs are always
+ * passed as the third argument, in order to be passed into
+ * r2-r3 to the init code (yes, this is compliant with the
+ * PCS!).
*/
- kvm_call_hyp((void *)pgd_low, pgd_high, hyp_stack_ptr, vector_ptr);
+
+ kvm_call_hyp(NULL, 0, boot_pgd_ptr);
+
+ kvm_call_hyp((void*)hyp_stack_ptr, vector_ptr, pgd_ptr);
}
+static inline int kvm_arch_dev_ioctl_check_extension(long ext)
+{
+ return 0;
+}
+
+int kvm_perf_init(void);
+int kvm_perf_teardown(void);
+
#endif /* __ARM_KVM_HOST_H__ */