sm_mdes.h

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/*****************************************************************************\
 *      File:   sm_mdes.h
 *      Author: John C. Gyllenhaal
 *      Creation Date:  March 1996
 *      Copyright (c) 1996 John C. Gyllenhaal, Wen-mei Hwu and
 *                         The Board of Trustees of the University of Illinois.
 *                         All rights reserved.
 *      The University of Illinois software License Agreement
 *      specifies the terms and conditions for redistribution.
\*****************************************************************************/

#ifndef SM_MDES_H
#define SM_MDES_H

#include "md.h"

typedef struct SM_Resource
{
    char                *name;
    unsigned int        mask;           /* Bit mask for this resource */
    unsigned short      offset;         /* Offset for this resource */
} SM_Resource;

typedef struct SM_Usage
{
    unsigned int        resources_used; /* Bit mask of resources used */
    unsigned short      map_offset;     /* Offset into resource map */
} SM_Usage;

typedef struct SM_Option
{
    SM_Usage            *first_usage;   /* Array of resource usages */
    SM_Usage            *last_usage;    /* Last usage in above array */
} SM_Option;

/* Possible names:
 * SM_Req SM_Required SM_Use SM_Used SM_Head SM_Tree SM_Node SM_Choice
 * SM_Selection
 */
typedef struct SM_Choice
{
    SM_Option           *first_option;  /* First in an array of options */
    SM_Option           *last_option;   /* Last option in above array*/
} SM_Choice;

typedef struct SM_Table
{
    SM_Choice           *first_choice;    /* First in an array of choices*/
    SM_Choice           *last_choice;     /* Last choice in above array */
    SM_Choice           *slot_choice;     /* Choice that sets slot used */
    unsigned short      num_choices;      /* Number of choices (array size) */
    unsigned short      *slot_options;    /* Depends on the slot choice */
    unsigned short      max_usage_offset; /* Max offset of any usage in table*/
} SM_Table;

typedef struct SM_Mdes
{
    struct Mdes2        *mdes2;                 /* What this was build from */
    MD                  *md_mdes;               /* The md version of the mdes*/
    SM_Resource         *resource;              /* Array of resources */
    unsigned int        num_resources;          /* Size of resource array */
    unsigned int        map_width;              /* words/cycle in map */
    unsigned int        time_shift;             /* Accounts for map width */
    unsigned int        max_num_choices;        /* Max across all tables */

    /*
     * Fields below used for building/freeing schedule manager's mdes.
     * In general not used directly by the schedule manager.
     */
    SM_Option           *unit_array;            /* Array of units */
    unsigned int        unit_array_size;        /* Size of unit array */
    SM_Choice           *choice_array;          /* Array of choices */
    unsigned int        choice_array_size;      /* Size of choice array */
    SM_Table            *table_array;           /* Array of tables */
    unsigned int        table_array_size;       /* Size of table array */
    /*
     * Fields above used for building/freeing schedule manager's mdes.
     * In general not used directly by the schedule manager.
     */
} SM_Mdes;

extern SM_Mdes *SM_build_mdes (struct Mdes2 *mdes2);

#endif

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