void _premain()
{
int t;
unsigned long *pul;
fptr f;
UART_DATA = 0x31;
UART_DATA = 0x2e;
// __copy_data();
// _initIO();
__clear_bss();
UART_DATA = 0x32;
UART_DATA = 0x2e;
// small_printf("\nCalling constructors...\n");
pul = (unsigned long *)&__constructor_list;
while(pul != (unsigned long *)&__end_of_constructors) {
// small_printf("Constructor %p...\n", *pul);
f = (fptr)*pul;
f();
pul++;
}
UART_DATA = 0x33;
UART_DATA = 0x2e;
// small_printf("\nStarting Main...\n");
t=main(1, args);
pul = (unsigned long *)&__end_of_destructors;
do {
pul--;
if(pul < (unsigned long *)&__destructor_list)
break;
small_printf("Destructor: %p...\n", *pul);
f = (fptr)*pul;
f();
} while(1);
small_printf("Done!\n");
// exit(t);
// for (;;);
}
int main ()
/*****/
/* main program, corresponds to procedures */
/* Main and Proc_0 in the Ada version */
{
One_Fifty Int_1_Loc;
REG One_Fifty Int_2_Loc;
One_Fifty Int_3_Loc;
REG char Ch_Index;
Enumeration Enum_Loc;
REG int Run_Index;
/* Initializations */
HW_PER(PER_UART_CLKDIV)=1250000/1152;
// Next_Ptr_Glob = (Rec_Pointer) malloc (sizeof (Rec_Type));
// Ptr_Glob = (Rec_Pointer) malloc (sizeof (Rec_Type));
Next_Ptr_Glob = &rec1;
Ptr_Glob = &rec2;
Ptr_Glob->Ptr_Comp = Next_Ptr_Glob;
Ptr_Glob->Discr = Ident_1;
Ptr_Glob->variant.var_1.Enum_Comp = Ident_3;
Ptr_Glob->variant.var_1.Int_Comp = 40;
strcpy (Ptr_Glob->variant.var_1.Str_Comp,
"DHRYSTONE PROGRAM, SOME STRING");
strcpy (Str_1_Loc, "DHRYSTONE PROGRAM, 1'ST STRING");
Arr_2_Glob [8][7] = 10;
/* Was missing in published program. Without this statement, */
/* Arr_2_Glob [8][7] would have an undefined value. */
/* Warning: With 16-Bit processors and Number_Of_Runs > 32000, */
/* overflow may occur for this array element. */
small_printf ("\n");
small_printf ("Dhrystone Benchmark, Version 2.1 (Language: C)\n");
small_printf ("\n");
if (Reg)
{
small_printf ("Program compiled with 'register' attribute\n");
small_printf ("\n");
}
else
{
small_printf ("Program compiled without 'register' attribute\n");
small_printf ("\n");
}
Number_Of_Runs;
small_printf ("Execution starts, %d runs through Dhrystone\n", Number_Of_Runs);
/***************/
/* Start timer */
/***************/
#if 0
#ifdef TIMES
times (&time_info);
Begin_Time = (long) time_info.tms_utime;
#endif
#ifdef TIME
Begin_Time = time ( (long *) 0);
#endif
#else
Begin_Time = _readMilliseconds();
#endif
for (Run_Index = 1; Run_Index <= Number_Of_Runs; ++Run_Index)
{
Proc_5();
Proc_4();
/* Ch_1_Glob == 'A', Ch_2_Glob == 'B', Bool_Glob == true */
Int_1_Loc = 2;
Int_2_Loc = 3;
strcpy (Str_2_Loc, "DHRYSTONE PROGRAM, 2'ND STRING");
Enum_Loc = Ident_2;
Bool_Glob = ! Func_2 (Str_1_Loc, Str_2_Loc);
/* Bool_Glob == 1 */
while (Int_1_Loc < Int_2_Loc) /* loop body executed once */
{
Int_3_Loc = 5 * Int_1_Loc - Int_2_Loc;
/* Int_3_Loc == 7 */
Proc_7 (Int_1_Loc, Int_2_Loc, &Int_3_Loc);
/* Int_3_Loc == 7 */
Int_1_Loc += 1;
} /* while */
/* Int_1_Loc == 3, Int_2_Loc == 3, Int_3_Loc == 7 */
Proc_8 (Arr_1_Glob, Arr_2_Glob, Int_1_Loc, Int_3_Loc);
/* Int_Glob == 5 */
Proc_1 (Ptr_Glob);
for (Ch_Index = 'A'; Ch_Index <= Ch_2_Glob; ++Ch_Index)
/* loop body executed twice */
{
if (Enum_Loc == Func_1 (Ch_Index, 'C'))
/* then, not executed */
{
Proc_6 (Ident_1, &Enum_Loc);
strcpy (Str_2_Loc, "DHRYSTONE PROGRAM, 3'RD STRING");
Int_2_Loc = Run_Index;
Int_Glob = Run_Index;
}
}
/* Int_1_Loc == 3, Int_2_Loc == 3, Int_3_Loc == 7 */
Int_2_Loc = Int_2_Loc * Int_1_Loc;
Int_1_Loc = Int_2_Loc / Int_3_Loc;
Int_2_Loc = 7 * (Int_2_Loc - Int_3_Loc) - Int_1_Loc;
/* Int_1_Loc == 1, Int_2_Loc == 13, Int_3_Loc == 7 */
Proc_2 (&Int_1_Loc);
/* Int_1_Loc == 5 */
} /* loop "for Run_Index" */
/**************/
/* Stop timer */
/**************/
#if 0
#ifdef TIMES
times (&time_info);
End_Time = (long) time_info.tms_utime;
#endif
#ifdef TIME
End_Time = time ( (long *) 0);
#endif
#else
End_Time = _readMilliseconds();
#endif
small_printf ("Execution ends\n");
small_printf ("\n");
small_printf ("Final values of the variables used in the benchmark:\n");
small_printf ("\n");
small_printf ("Int_Glob: %d\n", Int_Glob);
small_printf (" should be: %d\n", 5);
small_printf ("Bool_Glob: %d\n", Bool_Glob);
small_printf (" should be: %d\n", 1);
small_printf ("Ch_1_Glob: %c\n", Ch_1_Glob);
small_printf (" should be: %c\n", 'A');
small_printf ("Ch_2_Glob: %c\n", Ch_2_Glob);
small_printf (" should be: %c\n", 'B');
small_printf ("Arr_1_Glob[8]: %d\n", Arr_1_Glob[8]);
small_printf (" should be: %d\n", 7);
small_printf ("Arr_2_Glob[8][7]: %d\n", Arr_2_Glob[8][7]);
small_printf (" should be: Number_Of_Runs + 10\n");
small_printf ("Ptr_Glob->\n");
small_printf (" Ptr_Comp: %d\n", (int) Ptr_Glob->Ptr_Comp);
small_printf (" should be: (implementation-dependent)\n");
small_printf (" Discr: %d\n", Ptr_Glob->Discr);
small_printf (" should be: %d\n", 0);
small_printf (" Enum_Comp: %d\n", Ptr_Glob->variant.var_1.Enum_Comp);
small_printf (" should be: %d\n", 2);
small_printf (" Int_Comp: %d\n", Ptr_Glob->variant.var_1.Int_Comp);
small_printf (" should be: %d\n", 17);
small_printf (" Str_Comp: %s\n", Ptr_Glob->variant.var_1.Str_Comp);
small_printf (" should be: DHRYSTONE PROGRAM, SOME STRING\n");
small_printf ("Next_Ptr_Glob->\n");
small_printf (" Ptr_Comp: %d\n", (int) Next_Ptr_Glob->Ptr_Comp);
small_printf (" should be: (implementation-dependent), same as above\n");
small_printf (" Discr: %d\n", Next_Ptr_Glob->Discr);
small_printf (" should be: %d\n", 0);
small_printf (" Enum_Comp: %d\n", Next_Ptr_Glob->variant.var_1.Enum_Comp);
small_printf (" should be: %d\n", 1);
small_printf (" Int_Comp: %d\n", Next_Ptr_Glob->variant.var_1.Int_Comp);
small_printf (" should be: %d\n", 18);
small_printf (" Str_Comp: %s\n",
Next_Ptr_Glob->variant.var_1.Str_Comp);
small_printf (" should be: DHRYSTONE PROGRAM, SOME STRING\n");
small_printf ("Int_1_Loc: %d\n", Int_1_Loc);
small_printf (" should be: %d\n", 5);
small_printf ("Int_2_Loc: %d\n", Int_2_Loc);
small_printf (" should be: %d\n", 13);
small_printf ("Int_3_Loc: %d\n", Int_3_Loc);
small_printf (" should be: %d\n", 7);
small_printf ("Enum_Loc: %d\n", Enum_Loc);
small_printf (" should be: %d\n", 1);
small_printf ("Str_1_Loc: %s\n", Str_1_Loc);
small_printf (" should be: DHRYSTONE PROGRAM, 1'ST STRING\n");
small_printf ("Str_2_Loc: %s\n", Str_2_Loc);
small_printf (" should be: DHRYSTONE PROGRAM, 2'ND STRING\n");
small_printf ("\n");
User_Time = End_Time - Begin_Time;
small_printf ("User time: %d\n", (int)User_Time);
if (User_Time < Too_Small_Time)
{
small_printf ("Measured time too small to obtain meaningful results\n");
small_printf ("Please increase number of runs\n");
small_printf ("\n");
}
/* else */
{
#if 0
#ifdef TIME
Microseconds = (User_Time * Mic_secs_Per_Second )
/ Number_Of_Runs;
Dhrystones_Per_Second = Number_Of_Runs / User_Time;
Vax_Mips = (Number_Of_Runs*1000) / (1757*User_Time);
#else
Microseconds = (float) User_Time * Mic_secs_Per_Second
/ ((float) HZ * ((float) Number_Of_Runs));
Dhrystones_Per_Second = ((float) HZ * (float) Number_Of_Runs)
/ (float) User_Time;
Vax_Mips = Dhrystones_Per_Second / 1757.0;
#endif
#else
Microseconds = (1000*User_Time) / Number_Of_Runs;
Dhrystones_Per_Second = (Number_Of_Runs*1000) / User_Time;
Vax_Mips = (Number_Of_Runs*569) / User_Time;
#endif
small_printf ("Microseconds for one run through Dhrystone: ");
small_printf ("%d \n", (int)Microseconds);
small_printf ("Dhrystones per Second: ");
small_printf ("%d \n", (int)Dhrystones_Per_Second);
small_printf ("VAX MIPS rating * 1000 = %d \n",(int)Vax_Mips);
small_printf ("\n");
}
return 0;
}
