diff options
author | Al Viro <viro@zeniv.linux.org.uk> | 2008-08-17 21:05:42 -0400 |
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committer | H. Peter Anvin <hpa@zytor.com> | 2008-10-23 01:55:20 -0400 |
commit | bb8985586b7a906e116db835c64773b7a7d51663 (patch) | |
tree | de93ae58e88cc563d95cc124a73f3930594c6100 /include/asm-x86/xen/interface_32.h | |
parent | 8ede0bdb63305d3353efd97e9af6210afb05734e (diff) |
x86, um: ... and asm-x86 move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'include/asm-x86/xen/interface_32.h')
-rw-r--r-- | include/asm-x86/xen/interface_32.h | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/include/asm-x86/xen/interface_32.h b/include/asm-x86/xen/interface_32.h deleted file mode 100644 index 08167e19fc66..000000000000 --- a/include/asm-x86/xen/interface_32.h +++ /dev/null | |||
@@ -1,97 +0,0 @@ | |||
1 | /****************************************************************************** | ||
2 | * arch-x86_32.h | ||
3 | * | ||
4 | * Guest OS interface to x86 32-bit Xen. | ||
5 | * | ||
6 | * Copyright (c) 2004, K A Fraser | ||
7 | */ | ||
8 | |||
9 | #ifndef ASM_X86__XEN__INTERFACE_32_H | ||
10 | #define ASM_X86__XEN__INTERFACE_32_H | ||
11 | |||
12 | |||
13 | /* | ||
14 | * These flat segments are in the Xen-private section of every GDT. Since these | ||
15 | * are also present in the initial GDT, many OSes will be able to avoid | ||
16 | * installing their own GDT. | ||
17 | */ | ||
18 | #define FLAT_RING1_CS 0xe019 /* GDT index 259 */ | ||
19 | #define FLAT_RING1_DS 0xe021 /* GDT index 260 */ | ||
20 | #define FLAT_RING1_SS 0xe021 /* GDT index 260 */ | ||
21 | #define FLAT_RING3_CS 0xe02b /* GDT index 261 */ | ||
22 | #define FLAT_RING3_DS 0xe033 /* GDT index 262 */ | ||
23 | #define FLAT_RING3_SS 0xe033 /* GDT index 262 */ | ||
24 | |||
25 | #define FLAT_KERNEL_CS FLAT_RING1_CS | ||
26 | #define FLAT_KERNEL_DS FLAT_RING1_DS | ||
27 | #define FLAT_KERNEL_SS FLAT_RING1_SS | ||
28 | #define FLAT_USER_CS FLAT_RING3_CS | ||
29 | #define FLAT_USER_DS FLAT_RING3_DS | ||
30 | #define FLAT_USER_SS FLAT_RING3_SS | ||
31 | |||
32 | /* And the trap vector is... */ | ||
33 | #define TRAP_INSTR "int $0x82" | ||
34 | |||
35 | /* | ||
36 | * Virtual addresses beyond this are not modifiable by guest OSes. The | ||
37 | * machine->physical mapping table starts at this address, read-only. | ||
38 | */ | ||
39 | #define __HYPERVISOR_VIRT_START 0xF5800000 | ||
40 | |||
41 | #ifndef __ASSEMBLY__ | ||
42 | |||
43 | struct cpu_user_regs { | ||
44 | uint32_t ebx; | ||
45 | uint32_t ecx; | ||
46 | uint32_t edx; | ||
47 | uint32_t esi; | ||
48 | uint32_t edi; | ||
49 | uint32_t ebp; | ||
50 | uint32_t eax; | ||
51 | uint16_t error_code; /* private */ | ||
52 | uint16_t entry_vector; /* private */ | ||
53 | uint32_t eip; | ||
54 | uint16_t cs; | ||
55 | uint8_t saved_upcall_mask; | ||
56 | uint8_t _pad0; | ||
57 | uint32_t eflags; /* eflags.IF == !saved_upcall_mask */ | ||
58 | uint32_t esp; | ||
59 | uint16_t ss, _pad1; | ||
60 | uint16_t es, _pad2; | ||
61 | uint16_t ds, _pad3; | ||
62 | uint16_t fs, _pad4; | ||
63 | uint16_t gs, _pad5; | ||
64 | }; | ||
65 | DEFINE_GUEST_HANDLE_STRUCT(cpu_user_regs); | ||
66 | |||
67 | typedef uint64_t tsc_timestamp_t; /* RDTSC timestamp */ | ||
68 | |||
69 | struct arch_vcpu_info { | ||
70 | unsigned long cr2; | ||
71 | unsigned long pad[5]; /* sizeof(struct vcpu_info) == 64 */ | ||
72 | }; | ||
73 | |||
74 | struct xen_callback { | ||
75 | unsigned long cs; | ||
76 | unsigned long eip; | ||
77 | }; | ||
78 | typedef struct xen_callback xen_callback_t; | ||
79 | |||
80 | #define XEN_CALLBACK(__cs, __eip) \ | ||
81 | ((struct xen_callback){ .cs = (__cs), .eip = (unsigned long)(__eip) }) | ||
82 | #endif /* !__ASSEMBLY__ */ | ||
83 | |||
84 | |||
85 | /* | ||
86 | * Page-directory addresses above 4GB do not fit into architectural %cr3. | ||
87 | * When accessing %cr3, or equivalent field in vcpu_guest_context, guests | ||
88 | * must use the following accessor macros to pack/unpack valid MFNs. | ||
89 | * | ||
90 | * Note that Xen is using the fact that the pagetable base is always | ||
91 | * page-aligned, and putting the 12 MSB of the address into the 12 LSB | ||
92 | * of cr3. | ||
93 | */ | ||
94 | #define xen_pfn_to_cr3(pfn) (((unsigned)(pfn) << 12) | ((unsigned)(pfn) >> 20)) | ||
95 | #define xen_cr3_to_pfn(cr3) (((unsigned)(cr3) >> 12) | ((unsigned)(cr3) << 20)) | ||
96 | |||
97 | #endif /* ASM_X86__XEN__INTERFACE_32_H */ | ||