From 6fca8abef7e6d7be1a9e6d93dd0f2b7fbc5b28e5 Mon Sep 17 00:00:00 2001 From: Pasha Date: Tue, 20 Feb 2024 18:55:36 +0000 Subject: initial risc-v example --- riscv/include/asm/kvm_vcpu_fp.h | 59 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 riscv/include/asm/kvm_vcpu_fp.h (limited to 'riscv/include/asm/kvm_vcpu_fp.h') diff --git a/riscv/include/asm/kvm_vcpu_fp.h b/riscv/include/asm/kvm_vcpu_fp.h new file mode 100644 index 0000000..b554014 --- /dev/null +++ b/riscv/include/asm/kvm_vcpu_fp.h @@ -0,0 +1,59 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2021 Western Digital Corporation or its affiliates. + * + * Authors: + * Atish Patra + * Anup Patel + */ + +#ifndef __KVM_VCPU_RISCV_FP_H +#define __KVM_VCPU_RISCV_FP_H + +#include + +struct kvm_cpu_context; + +#ifdef CONFIG_FPU +void __kvm_riscv_fp_f_save(struct kvm_cpu_context *context); +void __kvm_riscv_fp_f_restore(struct kvm_cpu_context *context); +void __kvm_riscv_fp_d_save(struct kvm_cpu_context *context); +void __kvm_riscv_fp_d_restore(struct kvm_cpu_context *context); + +void kvm_riscv_vcpu_fp_reset(struct kvm_vcpu *vcpu); +void kvm_riscv_vcpu_guest_fp_save(struct kvm_cpu_context *cntx, + const unsigned long *isa); +void kvm_riscv_vcpu_guest_fp_restore(struct kvm_cpu_context *cntx, + const unsigned long *isa); +void kvm_riscv_vcpu_host_fp_save(struct kvm_cpu_context *cntx); +void kvm_riscv_vcpu_host_fp_restore(struct kvm_cpu_context *cntx); +#else +static inline void kvm_riscv_vcpu_fp_reset(struct kvm_vcpu *vcpu) +{ +} +static inline void kvm_riscv_vcpu_guest_fp_save(struct kvm_cpu_context *cntx, + const unsigned long *isa) +{ +} +static inline void kvm_riscv_vcpu_guest_fp_restore( + struct kvm_cpu_context *cntx, + const unsigned long *isa) +{ +} +static inline void kvm_riscv_vcpu_host_fp_save(struct kvm_cpu_context *cntx) +{ +} +static inline void kvm_riscv_vcpu_host_fp_restore( + struct kvm_cpu_context *cntx) +{ +} +#endif + +int kvm_riscv_vcpu_get_reg_fp(struct kvm_vcpu *vcpu, + const struct kvm_one_reg *reg, + unsigned long rtype); +int kvm_riscv_vcpu_set_reg_fp(struct kvm_vcpu *vcpu, + const struct kvm_one_reg *reg, + unsigned long rtype); + +#endif -- cgit v1.2.1