diff options
Diffstat (limited to 'arch/powerpc/include/asm/kvm_booke.h')
-rw-r--r-- | arch/powerpc/include/asm/kvm_booke.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/kvm_booke.h b/arch/powerpc/include/asm/kvm_booke.h new file mode 100644 index 000000000..f0cef625f --- /dev/null +++ b/arch/powerpc/include/asm/kvm_booke.h @@ -0,0 +1,117 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Copyright SUSE Linux Products GmbH 2010 + * + * Authors: Alexander Graf <agraf@suse.de> + */ + +#ifndef __ASM_KVM_BOOKE_H__ +#define __ASM_KVM_BOOKE_H__ + +#include <linux/types.h> +#include <linux/kvm_host.h> + +/* + * Number of available lpids. Only the low-order 6 bits of LPID rgister are + * implemented on e500mc+ cores. + */ +#define KVMPPC_NR_LPIDS 64 + +#define KVMPPC_INST_EHPRIV 0x7c00021c +#define EHPRIV_OC_SHIFT 11 +/* "ehpriv 1" : ehpriv with OC = 1 is used for debug emulation */ +#define EHPRIV_OC_DEBUG 1 + +static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val) +{ + vcpu->arch.regs.gpr[num] = val; +} + +static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num) +{ + return vcpu->arch.regs.gpr[num]; +} + +static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val) +{ + vcpu->arch.regs.ccr = val; +} + +static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu) +{ + return vcpu->arch.regs.ccr; +} + +static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, ulong val) +{ + vcpu->arch.regs.xer = val; +} + +static inline ulong kvmppc_get_xer(struct kvm_vcpu *vcpu) +{ + return vcpu->arch.regs.xer; +} + +static inline bool kvmppc_need_byteswap(struct kvm_vcpu *vcpu) +{ + /* XXX Would need to check TLB entry */ + return false; +} + +static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val) +{ + vcpu->arch.regs.ctr = val; +} + +static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu) +{ + return vcpu->arch.regs.ctr; +} + +static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val) +{ + vcpu->arch.regs.link = val; +} + +static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu) +{ + return vcpu->arch.regs.link; +} + +static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val) +{ + vcpu->arch.regs.nip = val; +} + +static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu) +{ + return vcpu->arch.regs.nip; +} + +static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu) +{ + return vcpu->arch.fault_dear; +} + +static inline bool kvmppc_supports_magic_page(struct kvm_vcpu *vcpu) +{ + /* Magic page is only supported on e500v2 */ +#ifdef CONFIG_KVM_E500V2 + return true; +#else + return false; +#endif +} +#endif /* __ASM_KVM_BOOKE_H__ */ |