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1.1 root 1: /* default linux values for the selectors */
2: #define __USER_CS (0x23)
3: #define __USER_DS (0x2B)
4:
5: struct target_pt_regs {
6: long ebx;
7: long ecx;
8: long edx;
9: long esi;
10: long edi;
11: long ebp;
12: long eax;
13: int xds;
14: int xes;
15: long orig_eax;
16: long eip;
17: int xcs;
18: long eflags;
19: long esp;
20: int xss;
21: };
22:
23: /* ioctls */
24:
25: #define TARGET_LDT_ENTRIES 8192
26: #define TARGET_LDT_ENTRY_SIZE 8
27:
1.1.1.2 ! root 28: #define TARGET_GDT_ENTRIES 9
1.1 root 29: #define TARGET_GDT_ENTRY_TLS_ENTRIES 3
30: #define TARGET_GDT_ENTRY_TLS_MIN 6
31: #define TARGET_GDT_ENTRY_TLS_MAX (TARGET_GDT_ENTRY_TLS_MIN + TARGET_GDT_ENTRY_TLS_ENTRIES - 1)
32:
33: struct target_modify_ldt_ldt_s {
34: unsigned int entry_number;
1.1.1.2 ! root 35: abi_ulong base_addr;
1.1 root 36: unsigned int limit;
37: unsigned int flags;
38: };
39:
40: /* vm86 defines */
41:
42: #define TARGET_BIOSSEG 0x0f000
43:
44: #define TARGET_CPU_086 0
45: #define TARGET_CPU_186 1
46: #define TARGET_CPU_286 2
47: #define TARGET_CPU_386 3
48: #define TARGET_CPU_486 4
49: #define TARGET_CPU_586 5
50:
51: #define TARGET_VM86_SIGNAL 0 /* return due to signal */
52: #define TARGET_VM86_UNKNOWN 1 /* unhandled GP fault - IO-instruction or similar */
53: #define TARGET_VM86_INTx 2 /* int3/int x instruction (ARG = x) */
54: #define TARGET_VM86_STI 3 /* sti/popf/iret instruction enabled virtual interrupts */
55:
56: /*
57: * Additional return values when invoking new vm86()
58: */
59: #define TARGET_VM86_PICRETURN 4 /* return due to pending PIC request */
60: #define TARGET_VM86_TRAP 6 /* return due to DOS-debugger request */
61:
62: /*
63: * function codes when invoking new vm86()
64: */
65: #define TARGET_VM86_PLUS_INSTALL_CHECK 0
66: #define TARGET_VM86_ENTER 1
67: #define TARGET_VM86_ENTER_NO_BYPASS 2
68: #define TARGET_VM86_REQUEST_IRQ 3
69: #define TARGET_VM86_FREE_IRQ 4
70: #define TARGET_VM86_GET_IRQ_BITS 5
71: #define TARGET_VM86_GET_AND_RESET_IRQ 6
72:
73: /*
74: * This is the stack-layout seen by the user space program when we have
75: * done a translation of "SAVE_ALL" from vm86 mode. The real kernel layout
76: * is 'kernel_vm86_regs' (see below).
77: */
78:
79: struct target_vm86_regs {
80: /*
81: * normal regs, with special meaning for the segment descriptors..
82: */
1.1.1.2 ! root 83: abi_long ebx;
! 84: abi_long ecx;
! 85: abi_long edx;
! 86: abi_long esi;
! 87: abi_long edi;
! 88: abi_long ebp;
! 89: abi_long eax;
! 90: abi_long __null_ds;
! 91: abi_long __null_es;
! 92: abi_long __null_fs;
! 93: abi_long __null_gs;
! 94: abi_long orig_eax;
! 95: abi_long eip;
1.1 root 96: unsigned short cs, __csh;
1.1.1.2 ! root 97: abi_long eflags;
! 98: abi_long esp;
1.1 root 99: unsigned short ss, __ssh;
100: /*
101: * these are specific to v86 mode:
102: */
103: unsigned short es, __esh;
104: unsigned short ds, __dsh;
105: unsigned short fs, __fsh;
106: unsigned short gs, __gsh;
107: };
108:
109: struct target_revectored_struct {
1.1.1.2 ! root 110: abi_ulong __map[8]; /* 256 bits */
1.1 root 111: };
112:
113: struct target_vm86_struct {
114: struct target_vm86_regs regs;
1.1.1.2 ! root 115: abi_ulong flags;
! 116: abi_ulong screen_bitmap;
! 117: abi_ulong cpu_type;
1.1 root 118: struct target_revectored_struct int_revectored;
119: struct target_revectored_struct int21_revectored;
120: };
121:
122: /*
123: * flags masks
124: */
125: #define TARGET_VM86_SCREEN_BITMAP 0x0001
126:
127: struct target_vm86plus_info_struct {
1.1.1.2 ! root 128: abi_ulong flags;
1.1 root 129: #define TARGET_force_return_for_pic (1 << 0)
130: #define TARGET_vm86dbg_active (1 << 1) /* for debugger */
131: #define TARGET_vm86dbg_TFpendig (1 << 2) /* for debugger */
132: #define TARGET_is_vm86pus (1 << 31) /* for vm86 internal use */
133: unsigned char vm86dbg_intxxtab[32]; /* for debugger */
134: };
135:
136: struct target_vm86plus_struct {
137: struct target_vm86_regs regs;
1.1.1.2 ! root 138: abi_ulong flags;
! 139: abi_ulong screen_bitmap;
! 140: abi_ulong cpu_type;
1.1 root 141: struct target_revectored_struct int_revectored;
142: struct target_revectored_struct int21_revectored;
143: struct target_vm86plus_info_struct vm86plus;
144: };
145:
146: #define UNAME_MACHINE "i686"
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