52425a3b3c
Introduce accessor functions for floating point and vector registers like the ones that exist for GPRs. Use these to replace the existing FPR and VR accessor macros. This will be important later for Nested APIv2 support which requires additional functionality for accessing and modifying VCPU state. Signed-off-by: Gautam Menghani <gautam@linux.ibm.com> Signed-off-by: Jordan Niethe <jniethe5@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230914030600.16993-3-jniethe5@gmail.com
119 lines
2.4 KiB
C
119 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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*
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* Copyright SUSE Linux Products GmbH 2010
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*
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* Authors: Alexander Graf <agraf@suse.de>
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*/
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#ifndef __ASM_KVM_BOOKE_H__
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#define __ASM_KVM_BOOKE_H__
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#include <linux/types.h>
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#include <linux/kvm_host.h>
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/*
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* Number of available lpids. Only the low-order 6 bits of LPID rgister are
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* implemented on e500mc+ cores.
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*/
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#define KVMPPC_NR_LPIDS 64
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#define KVMPPC_INST_EHPRIV 0x7c00021c
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#define EHPRIV_OC_SHIFT 11
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/* "ehpriv 1" : ehpriv with OC = 1 is used for debug emulation */
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#define EHPRIV_OC_DEBUG 1
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static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
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{
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vcpu->arch.regs.gpr[num] = val;
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}
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static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
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{
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return vcpu->arch.regs.gpr[num];
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}
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static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
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{
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vcpu->arch.regs.ccr = val;
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}
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static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
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{
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return vcpu->arch.regs.ccr;
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}
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static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, ulong val)
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{
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vcpu->arch.regs.xer = val;
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}
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static inline ulong kvmppc_get_xer(struct kvm_vcpu *vcpu)
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{
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return vcpu->arch.regs.xer;
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}
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static inline bool kvmppc_need_byteswap(struct kvm_vcpu *vcpu)
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{
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/* XXX Would need to check TLB entry */
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return false;
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}
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static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
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{
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vcpu->arch.regs.ctr = val;
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}
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static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
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{
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return vcpu->arch.regs.ctr;
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}
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static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
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{
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vcpu->arch.regs.link = val;
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}
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static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
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{
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return vcpu->arch.regs.link;
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}
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static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
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{
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vcpu->arch.regs.nip = val;
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}
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static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
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{
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return vcpu->arch.regs.nip;
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}
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static inline void kvmppc_set_fpr(struct kvm_vcpu *vcpu, int i, u64 val)
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{
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vcpu->arch.fp.fpr[i][TS_FPROFFSET] = val;
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}
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static inline u64 kvmppc_get_fpr(struct kvm_vcpu *vcpu, int i)
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{
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return vcpu->arch.fp.fpr[i][TS_FPROFFSET];
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}
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#ifdef CONFIG_BOOKE
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static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
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{
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return vcpu->arch.fault_dear;
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}
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#endif
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static inline bool kvmppc_supports_magic_page(struct kvm_vcpu *vcpu)
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{
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/* Magic page is only supported on e500v2 */
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#ifdef CONFIG_KVM_E500V2
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return true;
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#else
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return false;
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#endif
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}
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#endif /* __ASM_KVM_BOOKE_H__ */
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