1/* 2 * This program is free software; you can redistribute it and/or modify 3 * it under the terms of the GNU General Public License, version 2, as 4 * published by the Free Software Foundation. 5 * 6 * This program is distributed in the hope that it will be useful, 7 * but WITHOUT ANY WARRANTY; without even the implied warranty of 8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 9 * GNU General Public License for more details. 10 * 11 * You should have received a copy of the GNU General Public License 12 * along with this program; if not, write to the Free Software 13 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 14 * 15 * Copyright IBM Corp. 2008 16 * 17 * Authors: Hollis Blanchard <hollisb@us.ibm.com> 18 */ 19 20#ifndef __KVM_BOOKE_H__ 21#define __KVM_BOOKE_H__ 22 23#include <linux/types.h> 24#include <linux/kvm_host.h> 25#include <asm/kvm_ppc.h> 26#include "timing.h" 27 28/* interrupt priortity ordering */ 29#define BOOKE_IRQPRIO_DATA_STORAGE 0 30#define BOOKE_IRQPRIO_INST_STORAGE 1 31#define BOOKE_IRQPRIO_ALIGNMENT 2 32#define BOOKE_IRQPRIO_PROGRAM 3 33#define BOOKE_IRQPRIO_FP_UNAVAIL 4 34#define BOOKE_IRQPRIO_SPE_UNAVAIL 5 35#define BOOKE_IRQPRIO_SPE_FP_DATA 6 36#define BOOKE_IRQPRIO_SPE_FP_ROUND 7 37#define BOOKE_IRQPRIO_SYSCALL 8 38#define BOOKE_IRQPRIO_AP_UNAVAIL 9 39#define BOOKE_IRQPRIO_DTLB_MISS 10 40#define BOOKE_IRQPRIO_ITLB_MISS 11 41#define BOOKE_IRQPRIO_MACHINE_CHECK 12 42#define BOOKE_IRQPRIO_DEBUG 13 43#define BOOKE_IRQPRIO_CRITICAL 14 44#define BOOKE_IRQPRIO_WATCHDOG 15 45#define BOOKE_IRQPRIO_EXTERNAL 16 46#define BOOKE_IRQPRIO_FIT 17 47#define BOOKE_IRQPRIO_DECREMENTER 18 48#define BOOKE_IRQPRIO_PERFORMANCE_MONITOR 19 49#define BOOKE_IRQPRIO_MAX 19 50 51extern unsigned long kvmppc_booke_handlers; 52 53/* Helper function for "full" MSR writes. No need to call this if only EE is 54 * changing. */ 55static inline void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr) 56{ 57 if ((new_msr & MSR_PR) != (vcpu->arch.msr & MSR_PR)) 58 kvmppc_mmu_priv_switch(vcpu, new_msr & MSR_PR); 59 60 vcpu->arch.msr = new_msr; 61 62 if (vcpu->arch.msr & MSR_WE) { 63 kvm_vcpu_block(vcpu); 64 kvmppc_set_exit_type(vcpu, EMULATED_MTMSRWE_EXITS); 65 }; 66} 67 68int kvmppc_booke_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, 69 unsigned int inst, int *advance); 70int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt); 71int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs); 72 73#endif /* __KVM_BOOKE_H__ */ 74