[mirror_qemu.git] / linux-user / i386 / 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"
Commit	Line	Data
2c0262af FB	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
8d18e893	28	#define TARGET_GDT_ENTRIES 9
2c0262af FB	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)
	32
	33	struct target_modify_ldt_ldt_s {
	34	unsigned int entry_number;
992f48a0	35	abi_ulong base_addr;
2c0262af FB	36	unsigned int limit;
	37	unsigned int flags;
	38	};
	39
	40	/* vm86 defines */
	41
	42	#define TARGET_BIOSSEG 0x0f000
	43
	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
	50
	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 */
	55
	56	/*
	57	* Additional return values when invoking new vm86()
	58	*/
	59	#define TARGET_VM86_PICRETURN 4 /* return due to pending PIC request */
	60	#define TARGET_VM86_TRAP 6 /* return due to DOS-debugger request */
	61
	62	/*
	63	* function codes when invoking new vm86()
	64	*/
	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
	72
	73	/*
	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).
	77	*/
	78
	79	struct target_vm86_regs {
	80	/*
	81	* normal regs, with special meaning for the segment descriptors..
	82	*/
992f48a0 BS	83	abi_long ebx;
	84	abi_long ecx;
	85	abi_long edx;
	86	abi_long esi;
	87	abi_long edi;
	88	abi_long ebp;
	89	abi_long eax;
	90	abi_long __null_ds;
	91	abi_long __null_es;
	92	abi_long __null_fs;
	93	abi_long __null_gs;
	94	abi_long orig_eax;
	95	abi_long eip;
2c0262af	96	unsigned short cs, __csh;
992f48a0 BS	97	abi_long eflags;
992f48a0 BS	98	abi_long esp;
2c0262af FB	99	unsigned short ss, __ssh;
	100	/*
	101	* these are specific to v86 mode:
	102	*/
	103	unsigned short es, __esh;
	104	unsigned short ds, __dsh;
	105	unsigned short fs, __fsh;
	106	unsigned short gs, __gsh;
	107	};
	108
	109	struct target_revectored_struct {
992f48a0	110	abi_ulong __map[8]; /* 256 bits */
2c0262af FB	111	};
	112
	113	struct target_vm86_struct {
	114	struct target_vm86_regs regs;
992f48a0 BS	115	abi_ulong flags;
	116	abi_ulong screen_bitmap;
	117	abi_ulong cpu_type;
2c0262af FB	118	struct target_revectored_struct int_revectored;
	119	struct target_revectored_struct int21_revectored;
	120	};
	121
	122	/*
	123	* flags masks
	124	*/
	125	#define TARGET_VM86_SCREEN_BITMAP 0x0001
	126
	127	struct target_vm86plus_info_struct {
992f48a0	128	abi_ulong flags;
2c0262af FB	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 */
	134	};
	135
	136	struct target_vm86plus_struct {
	137	struct target_vm86_regs regs;
992f48a0 BS	138	abi_ulong flags;
	139	abi_ulong screen_bitmap;
	140	abi_ulong cpu_type;
2c0262af FB	141	struct target_revectored_struct int_revectored;
	142	struct target_revectored_struct int21_revectored;
	143	struct target_vm86plus_info_struct vm86plus;
	144	};
	145
cf720db3	146	#define UNAME_MACHINE "i686"