1
2#ifndef _ASM_X86_XEN_INTERFACE_64_H
3#define _ASM_X86_XEN_INTERFACE_64_H
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11
12#define FLAT_RING3_CS32 0xe023
13#define FLAT_RING3_CS64 0xe033
14#define FLAT_RING3_DS32 0xe02b
15#define FLAT_RING3_DS64 0x0000
16#define FLAT_RING3_SS32 0xe02b
17#define FLAT_RING3_SS64 0xe02b
18
19#define FLAT_KERNEL_DS64 FLAT_RING3_DS64
20#define FLAT_KERNEL_DS32 FLAT_RING3_DS32
21#define FLAT_KERNEL_DS FLAT_KERNEL_DS64
22#define FLAT_KERNEL_CS64 FLAT_RING3_CS64
23#define FLAT_KERNEL_CS32 FLAT_RING3_CS32
24#define FLAT_KERNEL_CS FLAT_KERNEL_CS64
25#define FLAT_KERNEL_SS64 FLAT_RING3_SS64
26#define FLAT_KERNEL_SS32 FLAT_RING3_SS32
27#define FLAT_KERNEL_SS FLAT_KERNEL_SS64
28
29#define FLAT_USER_DS64 FLAT_RING3_DS64
30#define FLAT_USER_DS32 FLAT_RING3_DS32
31#define FLAT_USER_DS FLAT_USER_DS64
32#define FLAT_USER_CS64 FLAT_RING3_CS64
33#define FLAT_USER_CS32 FLAT_RING3_CS32
34#define FLAT_USER_CS FLAT_USER_CS64
35#define FLAT_USER_SS64 FLAT_RING3_SS64
36#define FLAT_USER_SS32 FLAT_RING3_SS32
37#define FLAT_USER_SS FLAT_USER_SS64
38
39#define __HYPERVISOR_VIRT_START 0xFFFF800000000000
40#define __HYPERVISOR_VIRT_END 0xFFFF880000000000
41#define __MACH2PHYS_VIRT_START 0xFFFF800000000000
42#define __MACH2PHYS_VIRT_END 0xFFFF804000000000
43#define __MACH2PHYS_SHIFT 3
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49
50#define SEGBASE_FS 0
51#define SEGBASE_GS_USER 1
52#define SEGBASE_GS_KERNEL 2
53#define SEGBASE_GS_USER_SEL 3
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75
76#define _VGCF_in_syscall 8
77#define VGCF_in_syscall (1<<_VGCF_in_syscall)
78#define VGCF_IN_SYSCALL VGCF_in_syscall
79
80#ifndef __ASSEMBLY__
81
82struct iret_context {
83
84 uint64_t rax, r11, rcx, flags, rip, cs, rflags, rsp, ss;
85
86};
87
88#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
89
90#define __DECL_REG(name) union { \
91 uint64_t r ## name, e ## name; \
92 uint32_t _e ## name; \
93}
94#else
95
96#define __DECL_REG(name) uint64_t r ## name
97#endif
98
99struct cpu_user_regs {
100 uint64_t r15;
101 uint64_t r14;
102 uint64_t r13;
103 uint64_t r12;
104 __DECL_REG(bp);
105 __DECL_REG(bx);
106 uint64_t r11;
107 uint64_t r10;
108 uint64_t r9;
109 uint64_t r8;
110 __DECL_REG(ax);
111 __DECL_REG(cx);
112 __DECL_REG(dx);
113 __DECL_REG(si);
114 __DECL_REG(di);
115 uint32_t error_code;
116 uint32_t entry_vector;
117 __DECL_REG(ip);
118 uint16_t cs, _pad0[1];
119 uint8_t saved_upcall_mask;
120 uint8_t _pad1[3];
121 __DECL_REG(flags);
122 __DECL_REG(sp);
123 uint16_t ss, _pad2[3];
124 uint16_t es, _pad3[3];
125 uint16_t ds, _pad4[3];
126 uint16_t fs, _pad5[3];
127 uint16_t gs, _pad6[3];
128};
129DEFINE_GUEST_HANDLE_STRUCT(cpu_user_regs);
130
131#undef __DECL_REG
132
133#define xen_pfn_to_cr3(pfn) ((unsigned long)(pfn) << 12)
134#define xen_cr3_to_pfn(cr3) ((unsigned long)(cr3) >> 12)
135
136struct arch_vcpu_info {
137 unsigned long cr2;
138 unsigned long pad;
139};
140
141typedef unsigned long xen_callback_t;
142
143#define XEN_CALLBACK(__cs, __rip) \
144 ((unsigned long)(__rip))
145
146#endif
147
148
149#endif
150