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1 | /* |
2 | * Copyright (C) 2012 - Virtual Open Systems and Columbia University | |
3 | * Author: Christoffer Dall <c.dall@virtualopensystems.com> | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License, version 2, as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write to the Free Software | |
16 | * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
17 | */ | |
18 | ||
19 | #ifndef __ARM_KVM_H__ | |
20 | #define __ARM_KVM_H__ | |
21 | ||
22 | #include <linux/types.h> | |
23 | #include <asm/ptrace.h> | |
24 | ||
25 | #define __KVM_HAVE_GUEST_DEBUG | |
26 | ||
27 | #define KVM_REG_SIZE(id) \ | |
28 | (1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT)) | |
29 | ||
30 | /* Valid for svc_regs, abt_regs, und_regs, irq_regs in struct kvm_regs */ | |
31 | #define KVM_ARM_SVC_sp svc_regs[0] | |
32 | #define KVM_ARM_SVC_lr svc_regs[1] | |
33 | #define KVM_ARM_SVC_spsr svc_regs[2] | |
34 | #define KVM_ARM_ABT_sp abt_regs[0] | |
35 | #define KVM_ARM_ABT_lr abt_regs[1] | |
36 | #define KVM_ARM_ABT_spsr abt_regs[2] | |
37 | #define KVM_ARM_UND_sp und_regs[0] | |
38 | #define KVM_ARM_UND_lr und_regs[1] | |
39 | #define KVM_ARM_UND_spsr und_regs[2] | |
40 | #define KVM_ARM_IRQ_sp irq_regs[0] | |
41 | #define KVM_ARM_IRQ_lr irq_regs[1] | |
42 | #define KVM_ARM_IRQ_spsr irq_regs[2] | |
43 | ||
44 | /* Valid only for fiq_regs in struct kvm_regs */ | |
45 | #define KVM_ARM_FIQ_r8 fiq_regs[0] | |
46 | #define KVM_ARM_FIQ_r9 fiq_regs[1] | |
47 | #define KVM_ARM_FIQ_r10 fiq_regs[2] | |
48 | #define KVM_ARM_FIQ_fp fiq_regs[3] | |
49 | #define KVM_ARM_FIQ_ip fiq_regs[4] | |
50 | #define KVM_ARM_FIQ_sp fiq_regs[5] | |
51 | #define KVM_ARM_FIQ_lr fiq_regs[6] | |
52 | #define KVM_ARM_FIQ_spsr fiq_regs[7] | |
53 | ||
54 | struct kvm_regs { | |
55 | struct pt_regs usr_regs;/* R0_usr - R14_usr, PC, CPSR */ | |
56 | __u32 svc_regs[3]; /* SP_svc, LR_svc, SPSR_svc */ | |
57 | __u32 abt_regs[3]; /* SP_abt, LR_abt, SPSR_abt */ | |
58 | __u32 und_regs[3]; /* SP_und, LR_und, SPSR_und */ | |
59 | __u32 irq_regs[3]; /* SP_irq, LR_irq, SPSR_irq */ | |
60 | __u32 fiq_regs[8]; /* R8_fiq - R14_fiq, SPSR_fiq */ | |
61 | }; | |
62 | ||
63 | /* Supported Processor Types */ | |
64 | #define KVM_ARM_TARGET_CORTEX_A15 0 | |
65 | #define KVM_ARM_NUM_TARGETS 1 | |
66 | ||
67 | struct kvm_vcpu_init { | |
68 | __u32 target; | |
69 | __u32 features[7]; | |
70 | }; | |
71 | ||
72 | struct kvm_sregs { | |
73 | }; | |
74 | ||
75 | struct kvm_fpu { | |
76 | }; | |
77 | ||
78 | struct kvm_guest_debug_arch { | |
79 | }; | |
80 | ||
81 | struct kvm_debug_exit_arch { | |
82 | }; | |
83 | ||
84 | struct kvm_sync_regs { | |
85 | }; | |
86 | ||
87 | struct kvm_arch_memory_slot { | |
88 | }; | |
89 | ||
90 | /* If you need to interpret the index values, here is the key: */ | |
91 | #define KVM_REG_ARM_COPROC_MASK 0x000000000FFF0000 | |
92 | #define KVM_REG_ARM_COPROC_SHIFT 16 | |
93 | #define KVM_REG_ARM_32_OPC2_MASK 0x0000000000000007 | |
94 | #define KVM_REG_ARM_32_OPC2_SHIFT 0 | |
95 | #define KVM_REG_ARM_OPC1_MASK 0x0000000000000078 | |
96 | #define KVM_REG_ARM_OPC1_SHIFT 3 | |
97 | #define KVM_REG_ARM_CRM_MASK 0x0000000000000780 | |
98 | #define KVM_REG_ARM_CRM_SHIFT 7 | |
99 | #define KVM_REG_ARM_32_CRN_MASK 0x0000000000007800 | |
100 | #define KVM_REG_ARM_32_CRN_SHIFT 11 | |
101 | ||
102 | /* Normal registers are mapped as coprocessor 16. */ | |
103 | #define KVM_REG_ARM_CORE (0x0010 << KVM_REG_ARM_COPROC_SHIFT) | |
104 | #define KVM_REG_ARM_CORE_REG(name) (offsetof(struct kvm_regs, name) / 4) | |
105 | ||
106 | #endif /* __ARM_KVM_H__ */ |