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Return to syscall.h CVS log | Up to [Qemu by Fabrice Bellard] / qemu / linux-user / i386 |
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:
28: #define TARGET_GDT_ENTRY_TLS_ENTRIES 3
29: #define TARGET_GDT_ENTRY_TLS_MIN 6
30: #define TARGET_GDT_ENTRY_TLS_MAX (TARGET_GDT_ENTRY_TLS_MIN + TARGET_GDT_ENTRY_TLS_ENTRIES - 1)
31:
32: struct target_modify_ldt_ldt_s {
33: unsigned int entry_number;
34: target_ulong base_addr;
35: unsigned int limit;
36: unsigned int flags;
37: };
38:
39: /* vm86 defines */
40:
41: #define TARGET_BIOSSEG 0x0f000
42:
43: #define TARGET_CPU_086 0
44: #define TARGET_CPU_186 1
45: #define TARGET_CPU_286 2
46: #define TARGET_CPU_386 3
47: #define TARGET_CPU_486 4
48: #define TARGET_CPU_586 5
49:
50: #define TARGET_VM86_SIGNAL 0 /* return due to signal */
51: #define TARGET_VM86_UNKNOWN 1 /* unhandled GP fault - IO-instruction or similar */
52: #define TARGET_VM86_INTx 2 /* int3/int x instruction (ARG = x) */
53: #define TARGET_VM86_STI 3 /* sti/popf/iret instruction enabled virtual interrupts */
54:
55: /*
56: * Additional return values when invoking new vm86()
57: */
58: #define TARGET_VM86_PICRETURN 4 /* return due to pending PIC request */
59: #define TARGET_VM86_TRAP 6 /* return due to DOS-debugger request */
60:
61: /*
62: * function codes when invoking new vm86()
63: */
64: #define TARGET_VM86_PLUS_INSTALL_CHECK 0
65: #define TARGET_VM86_ENTER 1
66: #define TARGET_VM86_ENTER_NO_BYPASS 2
67: #define TARGET_VM86_REQUEST_IRQ 3
68: #define TARGET_VM86_FREE_IRQ 4
69: #define TARGET_VM86_GET_IRQ_BITS 5
70: #define TARGET_VM86_GET_AND_RESET_IRQ 6
71:
72: /*
73: * This is the stack-layout seen by the user space program when we have
74: * done a translation of "SAVE_ALL" from vm86 mode. The real kernel layout
75: * is 'kernel_vm86_regs' (see below).
76: */
77:
78: struct target_vm86_regs {
79: /*
80: * normal regs, with special meaning for the segment descriptors..
81: */
82: target_long ebx;
83: target_long ecx;
84: target_long edx;
85: target_long esi;
86: target_long edi;
87: target_long ebp;
88: target_long eax;
89: target_long __null_ds;
90: target_long __null_es;
91: target_long __null_fs;
92: target_long __null_gs;
93: target_long orig_eax;
94: target_long eip;
95: unsigned short cs, __csh;
96: target_long eflags;
97: target_long esp;
98: unsigned short ss, __ssh;
99: /*
100: * these are specific to v86 mode:
101: */
102: unsigned short es, __esh;
103: unsigned short ds, __dsh;
104: unsigned short fs, __fsh;
105: unsigned short gs, __gsh;
106: };
107:
108: struct target_revectored_struct {
109: target_ulong __map[8]; /* 256 bits */
110: };
111:
112: struct target_vm86_struct {
113: struct target_vm86_regs regs;
114: target_ulong flags;
115: target_ulong screen_bitmap;
116: target_ulong cpu_type;
117: struct target_revectored_struct int_revectored;
118: struct target_revectored_struct int21_revectored;
119: };
120:
121: /*
122: * flags masks
123: */
124: #define TARGET_VM86_SCREEN_BITMAP 0x0001
125:
126: struct target_vm86plus_info_struct {
127: target_ulong flags;
128: #define TARGET_force_return_for_pic (1 << 0)
129: #define TARGET_vm86dbg_active (1 << 1) /* for debugger */
130: #define TARGET_vm86dbg_TFpendig (1 << 2) /* for debugger */
131: #define TARGET_is_vm86pus (1 << 31) /* for vm86 internal use */
132: unsigned char vm86dbg_intxxtab[32]; /* for debugger */
133: };
134:
135: struct target_vm86plus_struct {
136: struct target_vm86_regs regs;
137: target_ulong flags;
138: target_ulong screen_bitmap;
139: target_ulong cpu_type;
140: struct target_revectored_struct int_revectored;
141: struct target_revectored_struct int21_revectored;
142: struct target_vm86plus_info_struct vm86plus;
143: };
144:
145: /* ipcs */
146:
147: #define TARGET_SEMOP 1
148: #define TARGET_SEMGET 2
149: #define TARGET_SEMCTL 3
150: #define TARGET_MSGSND 11
151: #define TARGET_MSGRCV 12
152: #define TARGET_MSGGET 13
153: #define TARGET_MSGCTL 14
154: #define TARGET_SHMAT 21
155: #define TARGET_SHMDT 22
156: #define TARGET_SHMGET 23
157: #define TARGET_SHMCTL 24
158:
159: struct target_msgbuf {
160: int mtype;
161: char mtext[1];
162: };
163:
164: struct target_ipc_kludge {
165: unsigned int msgp; /* Really (struct msgbuf *) */
166: int msgtyp;
167: };
168:
169: struct target_ipc_perm {
170: int key;
171: unsigned short uid;
172: unsigned short gid;
173: unsigned short cuid;
174: unsigned short cgid;
175: unsigned short mode;
176: unsigned short seq;
177: };
178:
179: struct target_msqid_ds {
180: struct target_ipc_perm msg_perm;
181: unsigned int msg_first; /* really struct target_msg* */
182: unsigned int msg_last; /* really struct target_msg* */
183: unsigned int msg_stime; /* really target_time_t */
184: unsigned int msg_rtime; /* really target_time_t */
185: unsigned int msg_ctime; /* really target_time_t */
186: unsigned int wwait; /* really struct wait_queue* */
187: unsigned int rwait; /* really struct wait_queue* */
188: unsigned short msg_cbytes;
189: unsigned short msg_qnum;
190: unsigned short msg_qbytes;
191: unsigned short msg_lspid;
192: unsigned short msg_lrpid;
193: };
194:
195: struct target_shmid_ds {
196: struct target_ipc_perm shm_perm;
197: int shm_segsz;
198: unsigned int shm_atime; /* really target_time_t */
199: unsigned int shm_dtime; /* really target_time_t */
200: unsigned int shm_ctime; /* really target_time_t */
201: unsigned short shm_cpid;
202: unsigned short shm_lpid;
203: short shm_nattch;
204: unsigned short shm_npages;
205: unsigned long *shm_pages;
206: void *attaches; /* really struct shm_desc * */
207: };
208:
209: #define TARGET_IPC_RMID 0
210: #define TARGET_IPC_SET 1
211: #define TARGET_IPC_STAT 2
212:
213: union target_semun {
214: int val;
215: unsigned int buf; /* really struct semid_ds * */
216: unsigned int array; /* really unsigned short * */
217: unsigned int __buf; /* really struct seminfo * */
218: unsigned int __pad; /* really void* */
219: };
220:
221: #define UNAME_MACHINE "i686"
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