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target_syscall.h (3846B)

      1 #ifndef I386_TARGET_SYSCALL_H
      2 #define I386_TARGET_SYSCALL_H
      3 
      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 
     31 #define TARGET_GDT_ENTRIES             9
     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;
     38     abi_ulong base_addr;
     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  */
     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;
     99 	unsigned short cs, __csh;
    100 	abi_long eflags;
    101 	abi_long esp;
    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 {
    113 	abi_ulong __map[8];			/* 256 bits */
    114 };
    115 
    116 struct target_vm86_struct {
    117 	struct target_vm86_regs regs;
    118 	abi_ulong flags;
    119 	abi_ulong screen_bitmap;
    120 	abi_ulong cpu_type;
    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 {
    131         abi_ulong flags;
    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;
    141 	abi_ulong flags;
    142 	abi_ulong screen_bitmap;
    143 	abi_ulong cpu_type;
    144 	struct target_revectored_struct int_revectored;
    145 	struct target_revectored_struct int21_revectored;
    146 	struct target_vm86plus_info_struct vm86plus;
    147 };
    148 
    149 #define UNAME_MACHINE "i686"
    150 #define UNAME_MINIMUM_RELEASE "2.6.32"
    151 
    152 #define TARGET_CLONE_BACKWARDS
    153 #define TARGET_MCL_CURRENT 1
    154 #define TARGET_MCL_FUTURE  2
    155 #define TARGET_MCL_ONFAULT 4
    156 #define TARGET_WANT_OLD_SYS_SELECT
    157 
    158 #endif /* I386_TARGET_SYSCALL_H */