Subversion Repositories open8_urisc

#include <ctype.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include "defines.h"

#include "main.h"

#include "memory.h"

#include "files.h"

extern struct object_file *obj_first;

extern int emptyfill, sms_checksum, snes_rom_mode, snes_rom_speed, smc_status;

extern int gb_checksum, gb_complement_check, snes_checksum, snes_mode, cpu_65816;

extern int snes_sramsize;

int emptyfill;

int check_file_types(void) {

  struct object_file *o;

  o = obj_first;

  while (o != NULL) {

    if (strncmp((char *)o->data, "WLAK", 4) == 0)

      o->format = WLA_VERSION_OBJ;

    else if (strncmp((char *)o->data, "WLAV", 4) == 0)

      o->format = WLA_VERSION_LIB;

    else {

      fprintf(stderr, "CHECK_FILE_TYPES: File \"%s\" is of unknown format (\"%c%c%c%c\").\n", o->name, o->data[0], o->data[1], o->data[2], o->data[3]);

      return FAILED;

    }

    o = o->next;

  }

  return SUCCEEDED;

}

int check_headers(void) {

  struct object_file *o;

  int x = 0, misc_bits = 0, more_bits = 0;

  o = obj_first;

  while (o != NULL) {

    if (o->format == WLA_VERSION_OBJ) {

      if (x == 0) {

        /* misc bits */

        emptyfill = *(o->data + OBJ_EMPTY_FILL);

        misc_bits = *(o->data + OBJ_MISC_BITS);

        sms_checksum = misc_bits & 1;

        snes_rom_mode = misc_bits & 2;

        snes_mode = misc_bits & 4;

        snes_rom_speed = misc_bits & 8;

        gb_checksum = misc_bits & 16;

        gb_complement_check = misc_bits & 32;

        snes_checksum = misc_bits & 64;

        cpu_65816 = misc_bits & 128;

        /* more bits */

        more_bits = *(o->data + OBJ_MORE_BITS);

        smc_status = more_bits & 1;

        snes_sramsize = (more_bits>>1) & 3;

        x++;

      }

      else if (emptyfill != *(o->data + OBJ_EMPTY_FILL) || misc_bits != *(o->data + OBJ_MISC_BITS) || more_bits != *(o->data + OBJ_MORE_BITS)) {

        fprintf(stderr, "CHECK_HEADERS: The object files are from different projects.\n");

        return FAILED;

      }

    }

    o = o->next;

  }

  if (x == 0) {

    fprintf(stderr, "CHECK_HEADERS: There's nothing to link.\n");

    return FAILED;

  }

  return SUCCEEDED;

}