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Annotation of coherent/g/usr/include/sys/mwc_coherent.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * /usr/include/sys/mwc_coherent.h
        !             3:  *
        !             4:  * mwc_coherent.h is for kernel debugging definitions.
        !             5:  *
        !             6:  * Revised: Thu May 27 08:06:57 1993 CDT
        !             7:  */
        !             8: #ifndef __SYS_MWC_COHERENT_H__
        !             9: #define __SYS_MWC_COHERENT_H__
        !            10: 
        !            11: /*
        !            12:  * Control flags for tracing features.
        !            13:  *
        !            14:  * t_piggy bits:
        !            15:  *     0x0001  pexit()
        !            16:  *     0x0002  286 system calls
        !            17:  *     0x0004  386 system calls
        !            18:  *     0x0008  uioctl()
        !            19:  *     0x0020  ssread()/sswrite()      in io.386/ss.c
        !            20:  *     0x0200  uread()                 in coh.386/sys3.c
        !            21:  *     0x0400  ssblock()               in io.386/ss.c
        !            22:  *     0x1000  XP_DATA_IN/OUT          in state machine in io.386/ss.c
        !            23:  *     0x10000 open() bad exit values  in coh.386/sys3.c
        !            24:  *
        !            25:  * t_hal bits:
        !            26:  *     0x0001  TCSETA/TCSETAF/TCSETAW ioctl's
        !            27:  *     0x0002  TIOCSETP/TIOCSETN ioctl's
        !            28:  *     0x0004  al[01] verbose mode (see alx.c); asy devmsgs
        !            29:  *     0x0008  obrk()
        !            30:  *     0x0010  pipe open/read/write
        !            31:  *     0x0020  1= NO c_grow() calls;  alx overruns
        !            32:  *     0x0040  monitor number of free clists
        !            33:  *     0x0080  '+' when asleep waiting for free clist
        !            34:  *     0x0100  trace c_grow() calls
        !            35:  *     0x0200  run check_slot() on alloc() and ubrk()
        !            36:  *     0x0400  async opens, closes, speed changes
        !            37:  *     0x0800  asy, all interrupts
        !            38:  *     0x1000  explanation of page faults
        !            39:  *     0x2000
        !            40:  *     0x4000  all traps
        !            41:  *     0x8000  ubrk()
        !            42:  *
        !            43:  * 0x0001 0000
        !            44:  * 0x0002 0000
        !            45:  *
        !            46:  * t_vlad bits:
        !            47:  *     0x0001
        !            48:  *     0x0002  fcntl
        !            49:  *
        !            50:  * t_errno - trace u.u_error settings
        !            51:  * t_con - trace console events
        !            52:  *
        !            53:  * t_msgq bits:
        !            54:  *     0x0001  memory alloc
        !            55:  *     0x0002  permissions
        !            56:  */
        !            57: 
        !            58: 
        !            59: /*
        !            60:  * T_PIGGY() is for piggy controlled tracing.
        !            61:  */
        !            62: 
        !            63: extern unsigned t_piggy;
        !            64: #define T_PIGGY(flag, expr)    ((t_piggy & (flag)) != 0 ? (void) (expr) : \
        !            65:                                                           (void) 0)
        !            66: 
        !            67: /*
        !            68:  * T_HAL() is for hal controlled tracing.
        !            69:  */
        !            70: 
        !            71: extern unsigned t_hal;
        !            72: #define T_HAL(flag, expr)      ((t_hal & (flag)) != 0 ? (void) (expr) : \
        !            73:                                                         (void) 0)
        !            74: 
        !            75: /*
        !            76:  * T_VLAD() is for vlad controlled tracing.
        !            77:  */
        !            78: extern unsigned t_vlad;
        !            79: #define T_VLAD(flag, expr)     ((t_vlad & (flag)) != 0 ? (void) (expr) : \
        !            80:                                                          (void) 0)
        !            81: 
        !            82: /*
        !            83:  * T_MSGQ() is for message queue controlled tracing.
        !            84:  */
        !            85: extern unsigned t_msgq;
        !            86: #define T_MSGQ(flag, expr)     ((t_msgq & (flag)) != 0 ? (void) (expr) : \
        !            87:                                                          (void) 0)
        !            88: 
        !            89: /*
        !            90:  * SET_U_ERROR() is for error tracing.
        !            91:  */
        !            92: extern unsigned t_errno;
        !            93: #define SET_U_ERROR(errno, msg)        \
        !            94:        (u.u_error = (errno), \
        !            95:         t_errno ? (void) printf ("u_error: %d: %s:\n", (errno), (msg)) : \
        !            96:                   (void) 0)
        !            97: 
        !            98: /*
        !            99:  * T_CON() is for video & keyboard tracing.
        !           100:  */
        !           101: extern unsigned t_con;
        !           102: #define T_CON(flag, expr)      ((t_con & (flag)) != 0 ? (void) (expr) : \
        !           103:                                                         (void) 0)
        !           104: 
        !           105: /* DV(variable) displays: variable=.... */
        !           106: #define DISP_VAR(v)    (strchirp ("  " #v "="), print32(v))
        !           107: #define DV(v)          T_PIGGY(0x400, DISP_VAR(v))
        !           108: 
        !           109: #endif

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