blob: 266e2c4c83f22756e51fdd5c2a6cce22c527cff0 [file] [log] [blame]
bellard2c0262a2003-09-30 20:34:21 +00001/* default linux values for the selectors */
2#define __USER_CS (0x23)
3#define __USER_DS (0x2B)
4
5struct 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
bellard8d18e892007-11-14 15:18:40 +000028#define TARGET_GDT_ENTRIES 9
bellard2c0262a2003-09-30 20:34:21 +000029#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
33struct target_modify_ldt_ldt_s {
34 unsigned int entry_number;
blueswir1992f48a2007-10-14 16:27:31 +000035 abi_ulong base_addr;
bellard2c0262a2003-09-30 20:34:21 +000036 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
79struct target_vm86_regs {
80/*
81 * normal regs, with special meaning for the segment descriptors..
82 */
blueswir1992f48a2007-10-14 16:27:31 +000083 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;
bellard2c0262a2003-09-30 20:34:21 +000096 unsigned short cs, __csh;
blueswir1992f48a2007-10-14 16:27:31 +000097 abi_long eflags;
98 abi_long esp;
bellard2c0262a2003-09-30 20:34:21 +000099 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
109struct target_revectored_struct {
blueswir1992f48a2007-10-14 16:27:31 +0000110 abi_ulong __map[8]; /* 256 bits */
bellard2c0262a2003-09-30 20:34:21 +0000111};
112
113struct target_vm86_struct {
114 struct target_vm86_regs regs;
blueswir1992f48a2007-10-14 16:27:31 +0000115 abi_ulong flags;
116 abi_ulong screen_bitmap;
117 abi_ulong cpu_type;
bellard2c0262a2003-09-30 20:34:21 +0000118 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
127struct target_vm86plus_info_struct {
blueswir1992f48a2007-10-14 16:27:31 +0000128 abi_ulong flags;
bellard2c0262a2003-09-30 20:34:21 +0000129#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
136struct target_vm86plus_struct {
137 struct target_vm86_regs regs;
blueswir1992f48a2007-10-14 16:27:31 +0000138 abi_ulong flags;
139 abi_ulong screen_bitmap;
140 abi_ulong cpu_type;
bellard2c0262a2003-09-30 20:34:21 +0000141 struct target_revectored_struct int_revectored;
142 struct target_revectored_struct int21_revectored;
143 struct target_vm86plus_info_struct vm86plus;
144};
145
bellardcf720db2004-09-13 21:41:39 +0000146#define UNAME_MACHINE "i686"