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

#ifndef I386_TARGET_SYSCALL_H
#define I386_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;
};

#define UNAME_MACHINE "i686"
#define UNAME_MINIMUM_RELEASE "2.6.32"

#define TARGET_CLONE_BACKWARDS
#define TARGET_MCL_CURRENT 1
#define TARGET_MCL_FUTURE  2
#define TARGET_MCL_ONFAULT 4
#define TARGET_WANT_OLD_SYS_SELECT

#endif /* I386_TARGET_SYSCALL_H */
Commit	Line	Data
3622634b MA	1	#ifndef I386_TARGET_SYSCALL_H
3622634b MA	2	#define I386_TARGET_SYSCALL_H
460c579f	3
2c0262af FB	4	/* default linux values for the selectors */
	5	#define __USER_CS (0x23)
	6	#define __USER_DS (0x2B)
	7
	8	struct target_pt_regs {
	9	long ebx;
	10	long ecx;
	11	long edx;
	12	long esi;
	13	long edi;
	14	long ebp;
	15	long eax;
	16	int xds;
	17	int xes;
	18	long orig_eax;
	19	long eip;
	20	int xcs;
	21	long eflags;
	22	long esp;
	23	int xss;
	24	};
	25
	26	/* ioctls */
	27
	28	#define TARGET_LDT_ENTRIES 8192
	29	#define TARGET_LDT_ENTRY_SIZE 8
	30
8d18e893	31	#define TARGET_GDT_ENTRIES 9
2c0262af FB	32	#define TARGET_GDT_ENTRY_TLS_ENTRIES 3
	33	#define TARGET_GDT_ENTRY_TLS_MIN 6
	34	#define TARGET_GDT_ENTRY_TLS_MAX (TARGET_GDT_ENTRY_TLS_MIN + TARGET_GDT_ENTRY_TLS_ENTRIES - 1)
	35
	36	struct target_modify_ldt_ldt_s {
	37	unsigned int entry_number;
992f48a0	38	abi_ulong base_addr;
2c0262af FB	39	unsigned int limit;
	40	unsigned int flags;
	41	};
	42
	43	/* vm86 defines */
	44
	45	#define TARGET_BIOSSEG 0x0f000
	46
	47	#define TARGET_CPU_086 0
	48	#define TARGET_CPU_186 1
	49	#define TARGET_CPU_286 2
	50	#define TARGET_CPU_386 3
	51	#define TARGET_CPU_486 4
	52	#define TARGET_CPU_586 5
	53
	54	#define TARGET_VM86_SIGNAL 0 /* return due to signal */
	55	#define TARGET_VM86_UNKNOWN 1 /* unhandled GP fault - IO-instruction or similar */
	56	#define TARGET_VM86_INTx 2 /* int3/int x instruction (ARG = x) */
	57	#define TARGET_VM86_STI 3 /* sti/popf/iret instruction enabled virtual interrupts */
	58
	59	/*
	60	* Additional return values when invoking new vm86()
	61	*/
	62	#define TARGET_VM86_PICRETURN 4 /* return due to pending PIC request */
	63	#define TARGET_VM86_TRAP 6 /* return due to DOS-debugger request */
	64
	65	/*
	66	* function codes when invoking new vm86()
	67	*/
	68	#define TARGET_VM86_PLUS_INSTALL_CHECK 0
	69	#define TARGET_VM86_ENTER 1
	70	#define TARGET_VM86_ENTER_NO_BYPASS 2
	71	#define TARGET_VM86_REQUEST_IRQ 3
	72	#define TARGET_VM86_FREE_IRQ 4
	73	#define TARGET_VM86_GET_IRQ_BITS 5
	74	#define TARGET_VM86_GET_AND_RESET_IRQ 6
	75
	76	/*
	77	* This is the stack-layout seen by the user space program when we have
	78	* done a translation of "SAVE_ALL" from vm86 mode. The real kernel layout
	79	* is 'kernel_vm86_regs' (see below).
	80	*/
	81
	82	struct target_vm86_regs {
	83	/*
	84	* normal regs, with special meaning for the segment descriptors..
	85	*/
992f48a0 BS	86	abi_long ebx;
	87	abi_long ecx;
	88	abi_long edx;
	89	abi_long esi;
	90	abi_long edi;
	91	abi_long ebp;
	92	abi_long eax;
	93	abi_long __null_ds;
	94	abi_long __null_es;
	95	abi_long __null_fs;
	96	abi_long __null_gs;
	97	abi_long orig_eax;
	98	abi_long eip;
2c0262af	99	unsigned short cs, __csh;
992f48a0 BS	100	abi_long eflags;
992f48a0 BS	101	abi_long esp;
2c0262af FB	102	unsigned short ss, __ssh;
	103	/*
	104	* these are specific to v86 mode:
	105	*/
	106	unsigned short es, __esh;
	107	unsigned short ds, __dsh;
	108	unsigned short fs, __fsh;
	109	unsigned short gs, __gsh;
	110	};
	111
	112	struct target_revectored_struct {
992f48a0	113	abi_ulong __map[8]; /* 256 bits */
2c0262af FB	114	};
	115
	116	struct target_vm86_struct {
	117	struct target_vm86_regs regs;
992f48a0 BS	118	abi_ulong flags;
	119	abi_ulong screen_bitmap;
	120	abi_ulong cpu_type;
2c0262af FB	121	struct target_revectored_struct int_revectored;
	122	struct target_revectored_struct int21_revectored;
	123	};
	124
	125	/*
	126	* flags masks
	127	*/
	128	#define TARGET_VM86_SCREEN_BITMAP 0x0001
	129
	130	struct target_vm86plus_info_struct {
992f48a0	131	abi_ulong flags;
2c0262af FB	132	#define TARGET_force_return_for_pic (1 << 0)
	133	#define TARGET_vm86dbg_active (1 << 1) /* for debugger */
	134	#define TARGET_vm86dbg_TFpendig (1 << 2) /* for debugger */
	135	#define TARGET_is_vm86pus (1 << 31) /* for vm86 internal use */
	136	unsigned char vm86dbg_intxxtab[32]; /* for debugger */
	137	};
	138
	139	struct target_vm86plus_struct {
	140	struct target_vm86_regs regs;
992f48a0 BS	141	abi_ulong flags;
	142	abi_ulong screen_bitmap;
	143	abi_ulong cpu_type;
2c0262af FB	144	struct target_revectored_struct int_revectored;
	145	struct target_revectored_struct int21_revectored;
	146	struct target_vm86plus_info_struct vm86plus;
	147	};
	148
cf720db3	149	#define UNAME_MACHINE "i686"
cbc14e6f	150	#define UNAME_MINIMUM_RELEASE "2.6.32"
4ce6243d PM	151
4ce6243d PM	152	#define TARGET_CLONE_BACKWARDS
02e5d7d7 FB	153	#define TARGET_MCL_CURRENT 1
	154	#define TARGET_MCL_FUTURE 2
	155	#define TARGET_MCL_ONFAULT 4
5457dc9e	156	#define TARGET_WANT_OLD_SYS_SELECT
460c579f	157
3622634b	158	#endif /* I386_TARGET_SYSCALL_H */