Christoffer Dall | 749cf76c | 2013-01-20 18:28:06 -0500 | [diff] [blame^] | 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__ */ |