[mirror_qemu.git] / bsd-user / i386 / target_syscall.h

/*
 *  i386 system call definitions
 *
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
#ifndef TARGET_SYSCALL_H
#define TARGET_SYSCALL_H

/* default linux values for the selectors */
#define __USER_CS	(0x23)
#define __USER_DS	(0x2B)

struct target_pt_regs {
	long ebx;
	long ecx;
	long edx;
	long esi;
	long edi;
	long ebp;
	long eax;
	int  xds;
	int  xes;
	long orig_eax;
	long eip;
	int  xcs;
	long eflags;
	long esp;
	int  xss;
};

/* ioctls */

#define TARGET_LDT_ENTRIES      8192
#define TARGET_LDT_ENTRY_SIZE	8

#define TARGET_GDT_ENTRIES             9
#define TARGET_GDT_ENTRY_TLS_ENTRIES   3
#define TARGET_GDT_ENTRY_TLS_MIN       6
#define TARGET_GDT_ENTRY_TLS_MAX       (TARGET_GDT_ENTRY_TLS_MIN + TARGET_GDT_ENTRY_TLS_ENTRIES - 1)

struct target_modify_ldt_ldt_s {
    unsigned int  entry_number;
    abi_ulong base_addr;
    unsigned int limit;
    unsigned int flags;
};

/* vm86 defines */

#define TARGET_BIOSSEG		0x0f000

#define TARGET_CPU_086		0
#define TARGET_CPU_186		1
#define TARGET_CPU_286		2
#define TARGET_CPU_386		3
#define TARGET_CPU_486		4
#define TARGET_CPU_586		5

#define TARGET_VM86_SIGNAL	0	/* return due to signal */
#define TARGET_VM86_UNKNOWN	1	/* unhandled GP fault - IO-instruction or similar */
#define TARGET_VM86_INTx	2	/* int3/int x instruction (ARG = x) */
#define TARGET_VM86_STI	3	/* sti/popf/iret instruction enabled virtual interrupts */

/*
 * Additional return values when invoking new vm86()
 */
#define TARGET_VM86_PICRETURN	4	/* return due to pending PIC request */
#define TARGET_VM86_TRAP	6	/* return due to DOS-debugger request */

/*
 * function codes when invoking new vm86()
 */
#define TARGET_VM86_PLUS_INSTALL_CHECK	0
#define TARGET_VM86_ENTER		1
#define TARGET_VM86_ENTER_NO_BYPASS	2
#define	TARGET_VM86_REQUEST_IRQ	3
#define TARGET_VM86_FREE_IRQ		4
#define TARGET_VM86_GET_IRQ_BITS	5
#define TARGET_VM86_GET_AND_RESET_IRQ	6

/*
 * This is the stack-layout seen by the user space program when we have
 * done a translation of "SAVE_ALL" from vm86 mode. The real kernel layout
 * is 'kernel_vm86_regs' (see below).
 */

struct target_vm86_regs {
/*
 * normal regs, with special meaning for the segment descriptors..
 */
	abi_long ebx;
	abi_long ecx;
	abi_long edx;
	abi_long esi;
	abi_long edi;
	abi_long ebp;
	abi_long eax;
	abi_long __null_ds;
	abi_long __null_es;
	abi_long __null_fs;
	abi_long __null_gs;
	abi_long orig_eax;
	abi_long eip;
	unsigned short cs, __csh;
	abi_long eflags;
	abi_long esp;
	unsigned short ss, __ssh;
/*
 * these are specific to v86 mode:
 */
	unsigned short es, __esh;
	unsigned short ds, __dsh;
	unsigned short fs, __fsh;
	unsigned short gs, __gsh;
};

struct target_revectored_struct {
	abi_ulong __map[8];			/* 256 bits */
};

struct target_vm86_struct {
	struct target_vm86_regs regs;
	abi_ulong flags;
	abi_ulong screen_bitmap;
	abi_ulong cpu_type;
	struct target_revectored_struct int_revectored;
	struct target_revectored_struct int21_revectored;
};

/*
 * flags masks
 */
#define TARGET_VM86_SCREEN_BITMAP	0x0001

struct target_vm86plus_info_struct {
        abi_ulong flags;
#define TARGET_force_return_for_pic (1 << 0)
#define TARGET_vm86dbg_active       (1 << 1)  /* for debugger */
#define TARGET_vm86dbg_TFpendig     (1 << 2)  /* for debugger */
#define TARGET_is_vm86pus           (1 << 31) /* for vm86 internal use */
	unsigned char vm86dbg_intxxtab[32];   /* for debugger */
};

struct target_vm86plus_struct {
	struct target_vm86_regs regs;
	abi_ulong flags;
	abi_ulong screen_bitmap;
	abi_ulong cpu_type;
	struct target_revectored_struct int_revectored;
	struct target_revectored_struct int21_revectored;
	struct target_vm86plus_info_struct vm86plus;
};

/* FreeBSD sysarch(2) */
#define TARGET_FREEBSD_I386_GET_LDT	0
#define TARGET_FREEBSD_I386_SET_LDT	1
				/* I386_IOPL */
#define TARGET_FREEBSD_I386_GET_IOPERM	3
#define TARGET_FREEBSD_I386_SET_IOPERM	4
				/* xxxxx */
#define TARGET_FREEBSD_I386_VM86	6
#define TARGET_FREEBSD_I386_GET_FSBASE	7
#define TARGET_FREEBSD_I386_SET_FSBASE	8
#define TARGET_FREEBSD_I386_GET_GSBASE	9
#define TARGET_FREEBSD_I386_SET_GSBASE	10


#define UNAME_MACHINE "i386"
#define TARGET_HW_MACHINE UNAME_MACHINE
#define TARGET_HW_MACHINE_ARCH UNAME_MACHINE

#endif /* TARGET_SYSCALL_H */
Commit	Line	Data
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
ea1ab4cf SS	182	#define TARGET_HW_MACHINE_ARCH UNAME_MACHINE
31fc12df	183
175de524	184	#endif /* TARGET_SYSCALL_H */