com.h

操作系统课程设计 在minix3下实现实时进程

#  define SYS_TIMES	 (KERNEL_CALL + 25)	/* sys_times() */
#  define SYS_GETINFO    (KERNEL_CALL + 26) 	/* sys_getinfo() */
#  define SYS_ABORT      (KERNEL_CALL + 27)	/* sys_abort() */
#  define SYS_IOPENABLE  (KERNEL_CALL + 28)	/* sys_enable_iop() */
#  define SYS_CHRT       (KERNEL_CALL + 29)	/* sys_chrt() */

#define NR_SYS_CALLS	30	/* number of system calls */ 

/* Field names for SYS_MEMSET, SYS_SEGCTL. */
#define MEM_PTR		m2_p1	/* base */
#define MEM_COUNT	m2_l1	/* count */
#define MEM_PATTERN	m2_l2   /* pattern to write */
#define MEM_CHUNK_BASE	m4_l1	/* physical base address */
#define MEM_CHUNK_SIZE	m4_l2	/* size of mem chunk */
#define MEM_TOT_SIZE	m4_l3	/* total memory size */
#define MEM_CHUNK_TAG	m4_l4	/* tag to identify chunk of mem */

/* Field names for SYS_DEVIO, SYS_VDEVIO, SYS_SDEVIO. */
#define DIO_REQUEST	m2_i3	/* device in or output */
#   define DIO_INPUT	    0	/* input */
#   define DIO_OUTPUT	    1	/* output */
#define DIO_TYPE	m2_i1   /* flag indicating byte, word, or long */ 
#   define DIO_BYTE	  'b'	/* byte type values */
#   define DIO_WORD	  'w'	/* word type values */
#   define DIO_LONG	  'l'	/* long type values */
#define DIO_PORT	m2_l1	/* single port address */
#define DIO_VALUE	m2_l2	/* single I/O value */
#define DIO_VEC_ADDR	m2_p1   /* address of buffer or (p,v)-pairs */
#define DIO_VEC_SIZE	m2_l2   /* number of elements in vector */
#define DIO_VEC_PROC	m2_i2   /* number of process where vector is */

/* Field names for SYS_SIGNARLM, SYS_FLAGARLM, SYS_SYNCALRM. */
#define ALRM_EXP_TIME   m2_l1	/* expire time for the alarm call */
#define ALRM_ABS_TIME   m2_i2	/* set to 1 to use absolute alarm time */
#define ALRM_TIME_LEFT  m2_l1	/* how many ticks were remaining */
#define ALRM_PROC_NR    m2_i1	/* which process wants the alarm? */
#define ALRM_FLAG_PTR	m2_p1   /* virtual address of timeout flag */ 	

/* Field names for SYS_IRQCTL. */
#define IRQ_REQUEST     m5_c1	/* what to do? */
#  define IRQ_SETPOLICY     1	/* manage a slot of the IRQ table */
#  define IRQ_RMPOLICY      2	/* remove a slot of the IRQ table */
#  define IRQ_ENABLE        3	/* enable interrupts */
#  define IRQ_DISABLE       4	/* disable interrupts */
#define IRQ_VECTOR	m5_c2   /* irq vector */
#define IRQ_POLICY	m5_i1   /* options for IRQCTL request */
#  define IRQ_REENABLE  0x001	/* reenable IRQ line after interrupt */
#  define IRQ_BYTE      0x100	/* byte values */      
#  define IRQ_WORD      0x200	/* word values */
#  define IRQ_LONG      0x400	/* long values */
#define IRQ_PROC_NR	m5_i2   /* process number, SELF, NONE */
#define IRQ_HOOK_ID	m5_l3   /* id of irq hook at kernel */

/* Field names for SYS_SEGCTL. */
#define SEG_SELECT	m4_l1   /* segment selector returned */ 
#define SEG_OFFSET	m4_l2	/* offset in segment returned */
#define SEG_PHYS	m4_l3	/* physical address of segment */
#define SEG_SIZE	m4_l4	/* segment size */
#define SEG_INDEX	m4_l5	/* segment index in remote map */

/* Field names for SYS_VIDCOPY. */
#define VID_REQUEST	m4_l1	/* what to do? */
#  define VID_VID_COPY	   1	/* request vid_vid_copy() */
#  define MEM_VID_COPY     2	/* request mem_vid_copy() */
#define VID_SRC_ADDR	m4_l2	/* virtual address in memory */
#define VID_SRC_OFFSET	m4_l3	/* offset in video memory */
#define VID_DST_OFFSET	m4_l4	/* offset in video memory */
#define VID_CP_COUNT	m4_l5	/* number of words to be copied */

/* Field names for SYS_ABORT. */
#define ABRT_HOW	m1_i1	/* RBT_REBOOT, RBT_HALT, etc. */
#define ABRT_MON_PROC   m1_i2	/* process where monitor params are */
#define ABRT_MON_LEN	m1_i3	/* length of monitor params */
#define ABRT_MON_ADDR   m1_p1	/* virtual address of monitor params */

/* Field names for _UMAP, _VIRCOPY, _PHYSCOPY. */
#define CP_SRC_SPACE 	m5_c1	/* T or D space (stack is also D) */
#define CP_SRC_PROC_NR	m5_i1	/* process to copy from */
#define CP_SRC_ADDR	m5_l1	/* address where data come from */
#define CP_DST_SPACE	m5_c2	/* T or D space (stack is also D) */
#define CP_DST_PROC_NR	m5_i2	/* process to copy to */
#define CP_DST_ADDR	m5_l2	/* address where data go to */
#define CP_NR_BYTES	m5_l3	/* number of bytes to copy */

/* Field names for SYS_VCOPY and SYS_VVIRCOPY. */
#define VCP_NR_OK	m1_i2	/* number of successfull copies */
#define VCP_VEC_SIZE	m1_i3	/* size of copy vector */
#define VCP_VEC_ADDR	m1_p1	/* pointer to copy vector */

/* Field names for SYS_GETINFO. */
#define I_REQUEST      m7_i3	/* what info to get */
#   define GET_KINFO	   0	/* get kernel information structure */
#   define GET_IMAGE	   1	/* get system image table */
#   define GET_PROCTAB	   2	/* get kernel process table */
#   define GET_RANDOMNESS  3	/* get randomness buffer */
#   define GET_MONPARAMS   4	/* get monitor parameters */
#   define GET_KENV	   5	/* get kernel environment string */
#   define GET_IRQHOOKS	   6	/* get the IRQ table */
#   define GET_KMESSAGES   7	/* get kernel messages */
#   define GET_PRIVTAB	   8	/* get kernel privileges table */
#   define GET_KADDRESSES  9	/* get various kernel addresses */
#   define GET_SCHEDINFO  10	/* get scheduling queues */
#   define GET_PROC 	  11	/* get process slot if given process */
#   define GET_MACHINE 	  12	/* get machine information */
#   define GET_LOCKTIMING 13	/* get lock()/unlock() latency timing */
#   define GET_BIOSBUFFER 14	/* get a buffer for BIOS calls */
#define I_PROC_NR      m7_i4	/* calling process */
#define I_VAL_PTR      m7_p1	/* virtual address at caller */ 
#define I_VAL_LEN      m7_i1	/* max length of value */
#define I_VAL_PTR2     m7_p2	/* second virtual address */ 
#define I_VAL_LEN2     m7_i2	/* second length, or proc nr */

/* Field names for SYS_TIMES. */
#define T_PROC_NR      m4_l1	/* process to request time info for */
#define T_USER_TIME    m4_l1	/* user time consumed by process */
#define T_SYSTEM_TIME  m4_l2	/* system time consumed by process */
#define T_CHILD_UTIME  m4_l3	/* user time consumed by process' children */
#define T_CHILD_STIME  m4_l4	/* sys time consumed by process' children */
#define T_BOOT_TICKS   m4_l5	/* number of clock ticks since boot time */

/* Field names for SYS_TRACE, SYS_SVRCTL. */
#define CTL_PROC_NR    m2_i1	/* process number of the caller */
#define CTL_REQUEST    m2_i2	/* server control request */
#define CTL_MM_PRIV    m2_i3	/* privilege as seen by PM */
#define CTL_ARG_PTR    m2_p1	/* pointer to argument */
#define CTL_ADDRESS    m2_l1	/* address at traced process' space */
#define CTL_DATA       m2_l2	/* data field for tracing */

/* Field names for SYS_KILL, SYS_SIGCTL */
#define SIG_REQUEST    m2_l2	/* PM signal control request */
#define S_GETSIG 	   0	/* get pending kernel signal */
#define S_ENDSIG 	   1	/* finish a kernel signal */
#define S_SENDSIG   	   2	/* POSIX style signal handling */
#define S_SIGRETURN	   3 	/* return from POSIX handling */
#define S_KILL		   4 	/* servers kills process with signal */
#define SIG_PROC       m2_i1	/* process number for inform */
#define SIG_NUMBER     m2_i2	/* signal number to send */
#define SIG_FLAGS      m2_i3	/* signal flags field */
#define SIG_MAP        m2_l1	/* used by kernel to pass signal bit map */
#define SIG_CTXT_PTR   m2_p1	/* pointer to info to restore signal context */

/* Field names for SYS_FORK, _EXEC, _EXIT, _NEWMAP. */
#define PR_PROC_NR     m1_i1	/* indicates a (child) process */
#define PR_PRIORITY    m1_i2	/* process priority */
#define PR_PPROC_NR    m1_i2	/* indicates a (parent) process */
#define PR_PID	       m1_i3	/* process id at process manager */
#define PR_STACK_PTR   m1_p1	/* used for stack ptr in sys_exec, sys_getsp */
#define PR_TRACING     m1_i3	/* flag to indicate tracing is on/ off */
#define PR_NAME_PTR    m1_p2	/* tells where program name is for dmp */
#define PR_IP_PTR      m1_p3	/* initial value for ip after exec */
#define PR_MEM_PTR     m1_p1	/* tells where memory map is for sys_newmap */

/* Field names for SYS_INT86 */
#define INT86_REG86    m1_p1	/* pointer to registers */

/* Field names for SELECT (FS). */
#define SEL_NFDS       m8_i1
#define SEL_READFDS    m8_p1
#define SEL_WRITEFDS   m8_p2
#define SEL_ERRORFDS   m8_p3
#define SEL_TIMEOUT    m8_p4

/*===========================================================================*
 *                Messages for the Reincarnation Server 		     *
 *===========================================================================*/

#define RS_RQ_BASE		0x700

#define RS_UP		(RS_RQ_BASE + 0)	/* start system service */
#define RS_DOWN		(RS_RQ_BASE + 1)	/* stop system service */
#define RS_REFRESH	(RS_RQ_BASE + 2)	/* restart system service */
#define RS_RESCUE	(RS_RQ_BASE + 3)	/* set rescue directory */
#define RS_SHUTDOWN	(RS_RQ_BASE + 4)	/* alert about shutdown */

#  define RS_CMD_ADDR		m1_p1		/* command string */
#  define RS_CMD_LEN		m1_i1		/* length of command */
#  define RS_PID		m1_i1		/* pid of system service */
#  define RS_PERIOD 	        m1_i2		/* heartbeat period */
#  define RS_DEV_MAJOR          m1_i3           /* major device number */

/*===========================================================================*
 *                Messages for the Data Store Server			     *
 *===========================================================================*/

#define DS_RQ_BASE		0x800

#define DS_PUBLISH	(DS_RQ_BASE + 0)	/* publish information */
#define DS_RETRIEVE	(DS_RQ_BASE + 1)	/* retrieve information */
#define DS_SUBSCRIBE	(DS_RQ_BASE + 2)	/* subscribe to information */

#  define DS_KEY		m2_i1		/* key for the information */
#  define DS_FLAGS		m2_i2		/* flags provided by caller */
#  define DS_AUTH		m2_p1		/* authorization of caller */
#  define DS_VAL_L1		m2_l1		/* first long data value */
#  define DS_VAL_L2		m2_l2		/* second long data value */

/*===========================================================================*
 *                Miscellaneous messages used by TTY			     *
 *===========================================================================*/

/* Miscellaneous request types and field names, e.g. used by IS server. */
#define PANIC_DUMPS  		97  	/* debug dumps at the TTY on RBT_PANIC */
#define FKEY_CONTROL 		98  	/* control a function key at the TTY */
#  define FKEY_REQUEST	     m2_i1	/* request to perform at TTY */
#  define    FKEY_MAP		10	/* observe function key */
#  define    FKEY_UNMAP		11	/* stop observing function key */
#  define    FKEY_EVENTS	12	/* request open key presses */
#  define FKEY_FKEYS	      m2_l1	/* F1-F12 keys pressed */
#  define FKEY_SFKEYS	      m2_l2	/* Shift-F1-F12 keys pressed */
#define DIAGNOSTICS 	100 	/* output a string without FS in between */
#  define DIAG_PRINT_BUF      m1_p1
#  define DIAG_BUF_COUNT      m1_i1
#  define DIAG_PROC_NR        m1_i2
#define GET_KMESS	101	/* get kmess from TTY */
#  define GETKM_PTR	      m1_p1


#endif /* _MINIX_COM_H */