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ea1ab4cf SS |
1 | /* |
2 | * i386 system call definitions | |
3 | * | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
17 | */ | |
0c6940d0 LV |
18 | #ifndef TARGET_SYSCALL_H |
19 | #define TARGET_SYSCALL_H | |
20 | ||
31fc12df BS |
21 | /* default linux values for the selectors */ |
22 | #define __USER_CS (0x23) | |
23 | #define __USER_DS (0x2B) | |
24 | ||
25 | struct target_pt_regs { | |
26 | long ebx; | |
27 | long ecx; | |
28 | long edx; | |
29 | long esi; | |
30 | long edi; | |
31 | long ebp; | |
32 | long eax; | |
33 | int xds; | |
34 | int xes; | |
35 | long orig_eax; | |
36 | long eip; | |
37 | int xcs; | |
38 | long eflags; | |
39 | long esp; | |
40 | int xss; | |
41 | }; | |
42 | ||
43 | /* ioctls */ | |
44 | ||
45 | #define TARGET_LDT_ENTRIES 8192 | |
46 | #define TARGET_LDT_ENTRY_SIZE 8 | |
47 | ||
48 | #define TARGET_GDT_ENTRIES 9 | |
49 | #define TARGET_GDT_ENTRY_TLS_ENTRIES 3 | |
50 | #define TARGET_GDT_ENTRY_TLS_MIN 6 | |
51 | #define TARGET_GDT_ENTRY_TLS_MAX (TARGET_GDT_ENTRY_TLS_MIN + TARGET_GDT_ENTRY_TLS_ENTRIES - 1) | |
52 | ||
53 | struct target_modify_ldt_ldt_s { | |
54 | unsigned int entry_number; | |
55 | abi_ulong base_addr; | |
56 | unsigned int limit; | |
57 | unsigned int flags; | |
58 | }; | |
59 | ||
60 | /* vm86 defines */ | |
61 | ||
62 | #define TARGET_BIOSSEG 0x0f000 | |
63 | ||
64 | #define TARGET_CPU_086 0 | |
65 | #define TARGET_CPU_186 1 | |
66 | #define TARGET_CPU_286 2 | |
67 | #define TARGET_CPU_386 3 | |
68 | #define TARGET_CPU_486 4 | |
69 | #define TARGET_CPU_586 5 | |
70 | ||
71 | #define TARGET_VM86_SIGNAL 0 /* return due to signal */ | |
72 | #define TARGET_VM86_UNKNOWN 1 /* unhandled GP fault - IO-instruction or similar */ | |
73 | #define TARGET_VM86_INTx 2 /* int3/int x instruction (ARG = x) */ | |
74 | #define TARGET_VM86_STI 3 /* sti/popf/iret instruction enabled virtual interrupts */ | |
75 | ||
76 | /* | |
77 | * Additional return values when invoking new vm86() | |
78 | */ | |
79 | #define TARGET_VM86_PICRETURN 4 /* return due to pending PIC request */ | |
80 | #define TARGET_VM86_TRAP 6 /* return due to DOS-debugger request */ | |
81 | ||
82 | /* | |
83 | * function codes when invoking new vm86() | |
84 | */ | |
85 | #define TARGET_VM86_PLUS_INSTALL_CHECK 0 | |
86 | #define TARGET_VM86_ENTER 1 | |
87 | #define TARGET_VM86_ENTER_NO_BYPASS 2 | |
88 | #define TARGET_VM86_REQUEST_IRQ 3 | |
89 | #define TARGET_VM86_FREE_IRQ 4 | |
90 | #define TARGET_VM86_GET_IRQ_BITS 5 | |
91 | #define TARGET_VM86_GET_AND_RESET_IRQ 6 | |
92 | ||
93 | /* | |
94 | * This is the stack-layout seen by the user space program when we have | |
95 | * done a translation of "SAVE_ALL" from vm86 mode. The real kernel layout | |
96 | * is 'kernel_vm86_regs' (see below). | |
97 | */ | |
98 | ||
99 | struct target_vm86_regs { | |
100 | /* | |
101 | * normal regs, with special meaning for the segment descriptors.. | |
102 | */ | |
103 | abi_long ebx; | |
104 | abi_long ecx; | |
105 | abi_long edx; | |
106 | abi_long esi; | |
107 | abi_long edi; | |
108 | abi_long ebp; | |
109 | abi_long eax; | |
110 | abi_long __null_ds; | |
111 | abi_long __null_es; | |
112 | abi_long __null_fs; | |
113 | abi_long __null_gs; | |
114 | abi_long orig_eax; | |
115 | abi_long eip; | |
116 | unsigned short cs, __csh; | |
117 | abi_long eflags; | |
118 | abi_long esp; | |
119 | unsigned short ss, __ssh; | |
120 | /* | |
121 | * these are specific to v86 mode: | |
122 | */ | |
123 | unsigned short es, __esh; | |
124 | unsigned short ds, __dsh; | |
125 | unsigned short fs, __fsh; | |
126 | unsigned short gs, __gsh; | |
127 | }; | |
128 | ||
129 | struct target_revectored_struct { | |
130 | abi_ulong __map[8]; /* 256 bits */ | |
131 | }; | |
132 | ||
133 | struct target_vm86_struct { | |
134 | struct target_vm86_regs regs; | |
135 | abi_ulong flags; | |
136 | abi_ulong screen_bitmap; | |
137 | abi_ulong cpu_type; | |
138 | struct target_revectored_struct int_revectored; | |
139 | struct target_revectored_struct int21_revectored; | |
140 | }; | |
141 | ||
142 | /* | |
143 | * flags masks | |
144 | */ | |
145 | #define TARGET_VM86_SCREEN_BITMAP 0x0001 | |
146 | ||
147 | struct target_vm86plus_info_struct { | |
148 | abi_ulong flags; | |
149 | #define TARGET_force_return_for_pic (1 << 0) | |
150 | #define TARGET_vm86dbg_active (1 << 1) /* for debugger */ | |
151 | #define TARGET_vm86dbg_TFpendig (1 << 2) /* for debugger */ | |
152 | #define TARGET_is_vm86pus (1 << 31) /* for vm86 internal use */ | |
153 | unsigned char vm86dbg_intxxtab[32]; /* for debugger */ | |
154 | }; | |
155 | ||
156 | struct target_vm86plus_struct { | |
157 | struct target_vm86_regs regs; | |
158 | abi_ulong flags; | |
159 | abi_ulong screen_bitmap; | |
160 | abi_ulong cpu_type; | |
161 | struct target_revectored_struct int_revectored; | |
162 | struct target_revectored_struct int21_revectored; | |
163 | struct target_vm86plus_info_struct vm86plus; | |
164 | }; | |
165 | ||
78cfb07f JL |
166 | /* FreeBSD sysarch(2) */ |
167 | #define TARGET_FREEBSD_I386_GET_LDT 0 | |
168 | #define TARGET_FREEBSD_I386_SET_LDT 1 | |
169 | /* I386_IOPL */ | |
170 | #define TARGET_FREEBSD_I386_GET_IOPERM 3 | |
171 | #define TARGET_FREEBSD_I386_SET_IOPERM 4 | |
172 | /* xxxxx */ | |
173 | #define TARGET_FREEBSD_I386_VM86 6 | |
174 | #define TARGET_FREEBSD_I386_GET_FSBASE 7 | |
175 | #define TARGET_FREEBSD_I386_SET_FSBASE 8 | |
176 | #define TARGET_FREEBSD_I386_GET_GSBASE 9 | |
177 | #define TARGET_FREEBSD_I386_SET_GSBASE 10 | |
178 | ||
179 | ||
31fc12df | 180 | #define UNAME_MACHINE "i386" |
ea1ab4cf SS |
181 | #define TARGET_HW_MACHINE UNAME_MACHINE |
182 | #define TARGET_HW_MACHINE_ARCH UNAME_MACHINE | |
31fc12df | 183 | |
175de524 | 184 | #endif /* TARGET_SYSCALL_H */ |