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06d1838d | 1 | /* |
d116e812 DCZ |
2 | * This file is subject to the terms and conditions of the GNU General Public |
3 | * License. See the file "COPYING" in the main directory of this archive | |
4 | * for more details. | |
5 | * | |
6 | * KVM/MIPS: Interrupts | |
7 | * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. | |
8 | * Authors: Sanjay Lal <sanjayl@kymasys.com> | |
9 | */ | |
06d1838d | 10 | |
d116e812 DCZ |
11 | /* |
12 | * MIPS Exception Priorities, exceptions (including interrupts) are queued up | |
06d1838d SL |
13 | * for the guest in the order specified by their priorities |
14 | */ | |
15 | ||
16 | #define MIPS_EXC_RESET 0 | |
17 | #define MIPS_EXC_SRESET 1 | |
18 | #define MIPS_EXC_DEBUG_ST 2 | |
19 | #define MIPS_EXC_DEBUG 3 | |
20 | #define MIPS_EXC_DDB 4 | |
21 | #define MIPS_EXC_NMI 5 | |
22 | #define MIPS_EXC_MCHK 6 | |
23 | #define MIPS_EXC_INT_TIMER 7 | |
24 | #define MIPS_EXC_INT_IO 8 | |
25 | #define MIPS_EXC_EXECUTE 9 | |
26 | #define MIPS_EXC_INT_IPI_1 10 | |
27 | #define MIPS_EXC_INT_IPI_2 11 | |
28 | #define MIPS_EXC_MAX 12 | |
29 | /* XXXSL More to follow */ | |
30 | ||
797179bc | 31 | extern char __kvm_mips_vcpu_run_end[]; |
d116e812 DCZ |
32 | extern char mips32_exception[], mips32_exceptionEnd[]; |
33 | extern char mips32_GuestException[], mips32_GuestExceptionEnd[]; | |
34 | ||
06d1838d SL |
35 | #define C_TI (_ULCAST_(1) << 30) |
36 | ||
37 | #define KVM_MIPS_IRQ_DELIVER_ALL_AT_ONCE (0) | |
38 | #define KVM_MIPS_IRQ_CLEAR_ALL_AT_ONCE (0) | |
39 | ||
40 | void kvm_mips_queue_irq(struct kvm_vcpu *vcpu, uint32_t priority); | |
41 | void kvm_mips_dequeue_irq(struct kvm_vcpu *vcpu, uint32_t priority); | |
42 | int kvm_mips_pending_timer(struct kvm_vcpu *vcpu); | |
43 | ||
44 | void kvm_mips_queue_timer_int_cb(struct kvm_vcpu *vcpu); | |
45 | void kvm_mips_dequeue_timer_int_cb(struct kvm_vcpu *vcpu); | |
46 | void kvm_mips_queue_io_int_cb(struct kvm_vcpu *vcpu, | |
47 | struct kvm_mips_interrupt *irq); | |
48 | void kvm_mips_dequeue_io_int_cb(struct kvm_vcpu *vcpu, | |
49 | struct kvm_mips_interrupt *irq); | |
50 | int kvm_mips_irq_deliver_cb(struct kvm_vcpu *vcpu, unsigned int priority, | |
51 | uint32_t cause); | |
52 | int kvm_mips_irq_clear_cb(struct kvm_vcpu *vcpu, unsigned int priority, | |
53 | uint32_t cause); | |
54 | void kvm_mips_deliver_interrupts(struct kvm_vcpu *vcpu, uint32_t cause); |