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 /* Internal pseudo-irqprio for level triggered externals */
50 #define BOOKE_IRQPRIO_EXTERNAL_LEVEL 20
51 #define BOOKE_IRQPRIO_MAX 20
52
53 extern unsigned long kvmppc_booke_handlers;
54
55 /* Helper function for "full" MSR writes. No need to call this if only EE is
56 * changing. */
kvmppc_set_msr(struct kvm_vcpu * vcpu,u32 new_msr)57 static inline void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr)
58 {
59 if ((new_msr & MSR_PR) != (vcpu->arch.shared->msr & MSR_PR))
60 kvmppc_mmu_priv_switch(vcpu, new_msr & MSR_PR);
61
62 vcpu->arch.shared->msr = new_msr;
63
64 if (vcpu->arch.shared->msr & MSR_WE) {
65 kvm_vcpu_block(vcpu);
66 kvmppc_set_exit_type(vcpu, EMULATED_MTMSRWE_EXITS);
67 };
68 }
69
70 int kvmppc_booke_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
71 unsigned int inst, int *advance);
72 int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt);
73 int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs);
74
75 #endif /* __KVM_BOOKE_H__ */
76