1 /* default linux values for the selectors */
2 #define __USER_CS (0x23)
3 #define __USER_DS (0x2B)
5 struct target_pt_regs
{
25 #define TARGET_LDT_ENTRIES 8192
26 #define TARGET_LDT_ENTRY_SIZE 8
28 #define TARGET_GDT_ENTRIES 9
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)
33 struct target_modify_ldt_ldt_s
{
34 unsigned int entry_number
;
42 #define TARGET_BIOSSEG 0x0f000
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
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 */
57 * Additional return values when invoking new vm86()
59 #define TARGET_VM86_PICRETURN 4 /* return due to pending PIC request */
60 #define TARGET_VM86_TRAP 6 /* return due to DOS-debugger request */
63 * function codes when invoking new vm86()
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
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).
79 struct target_vm86_regs
{
81 * normal regs, with special meaning for the segment descriptors..
96 unsigned short cs
, __csh
;
99 unsigned short ss
, __ssh
;
101 * these are specific to v86 mode:
103 unsigned short es
, __esh
;
104 unsigned short ds
, __dsh
;
105 unsigned short fs
, __fsh
;
106 unsigned short gs
, __gsh
;
109 struct target_revectored_struct
{
110 abi_ulong __map
[8]; /* 256 bits */
113 struct target_vm86_struct
{
114 struct target_vm86_regs regs
;
116 abi_ulong screen_bitmap
;
118 struct target_revectored_struct int_revectored
;
119 struct target_revectored_struct int21_revectored
;
125 #define TARGET_VM86_SCREEN_BITMAP 0x0001
127 struct target_vm86plus_info_struct
{
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 */
136 struct target_vm86plus_struct
{
137 struct target_vm86_regs regs
;
139 abi_ulong screen_bitmap
;
141 struct target_revectored_struct int_revectored
;
142 struct target_revectored_struct int21_revectored
;
143 struct target_vm86plus_info_struct vm86plus
;
146 #define UNAME_MACHINE "i686"
147 #define UNAME_MINIMUM_RELEASE "2.6.32"
149 #define TARGET_CLONE_BACKWARDS