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Power 6/32 Unix version 1.21
#include "fpp_defs.h"
/***************************************************************************
*
* CMPF -COMPARE SGL ACCUMULATOR TO SGL OPERAND
*
*****************************************************************************/
cmpf()
{
asm(".globl _cmpf_t");
asm("_cmpf_t:"); /* entry address */
if( ( cycle == 1 ) && ( prt_hdrs ) ) /* print headers on 1st pass */
{
writes(" CMPF");
}
cmpf_1(); /* test via registers */
cmpf_2(); /* test via cache */
cmpf_3(); /* register corruption test */
cmpf_4(); /* acc. corruption test */
if( !no_fpp_wcs ) {
cmpf_5(); /* pipelined entry test */
cmpf_6(); /* pipelined exit test */
};
asm("jmp *return"); /* return to the test monitor */
}
/****************************************************************************
*
* SUBTEST 1 - CMPF status test -register data
*
****************************************************************************/
cmpf_1()
{
force_loop = FALSE;
subtest = 1;
index = 0;
do
{
sgl_value_1 = cmpf_1_data[index].one; /* get the data operands */
sgl_value_2 = cmpf_1_data[index].two;
sgl_expected = cmpf_1_data[index].flag; /* get expected results */
status_index = 0; /* clear the status index */
do
{
sgl_dummy1 = status_array[status_index]; /* array = +, -, 0 */
/*
* If LOOP ON ERROR is set, this is the loop for this subtest.
* The force loop flag is set after the first error.
*/
asm("_cmpf_1_lp1:");
asm("movl _sgl_value_1,r4"); /* move operand #1 to r4 */
asm("movl _sgl_value_2,r5"); /* move operand #2 to r5 */
asm("ldf r4"); /* load the 1st operand */
asm("tstl _sgl_dummy1"); /* generate initial status */
asm("movpsl _init_psl"); /* save the initial status */
asm("cmpf r5"); /* compare the operands */
asm("movpsl _psl_val"); /* save the final status */
asm("stf _sgl_st_acc"); /* save the final acc */
if( force_loop ) /* loop? */
asm("brb _cmpf_1_lp1");; /* run the loop again */
exp_psl = init_psl; /* get the initial PSL */
exp_psl &= 0xfffffff3; /* clear ZERO, NEGATIVE */
if( sgl_expected == ZERO )
exp_psl |= PSL_Z; /* expect the ZERO bit set */
if( sgl_expected == NEGATIVE )
exp_psl |= PSL_N; /* expect the NEG bit set */
if( psl_val != exp_psl ) { /* COMPARE the values */
errcnt++; /* bump the error count */
if ( prt_error ) {
writes(" \n"); /* start a new print line */
writes("cycle: ");
writed( cycle );
writes(" CMPF test ");
writed( test_no );
writes(", subtest 1 (Reg. Data) - BAD FINAL PSL\n");
print_cmpf_data();
writes(", data index = ");
writed( index );
writec('\n');
writes("initial PSL = ");
write32h( init_psl );
writes(", final PSL = ");
write32h( psl_val );
writes(", expected PSL = ");
write32h( exp_psl );
writes("\n");
}
if ( halt_flg )
cmpf_er_halt( BAD_PSL_HLT ); /* halt on the error */
if ( loop_on_err ) {
force_loop = TRUE; /* set the force loop flag */
asm("brw _cmpf_1_lp1"); /* and loop on the error */
} /* end of loop on error */
} /* end of compare error */
} while ( ++status_index < 3 ); /* end of PSL WHILE loop */
} while( index++ < max_cmpf_1_index);/* end of data loop */
} /* end of subtest 1 */
/****************************************************************************
*
* SUBTEST 2 - CMPF status test -cache data
*
****************************************************************************/
cmpf_2()
{
force_loop = FALSE;
subtest = 2;
index = 0;
do
{
sgl_value_1 = cmpf_1_data[index].one; /* get the data operands */
sgl_value_2 = cmpf_1_data[index].two;
sgl_expected = cmpf_1_data[index].flag;/* get expected results */
status_index = 0; /* clear the status index */
do
{
sgl_dummy1 = status_array[status_index]; /* array = +, -, 0 */
/*
* If LOOP ON ERROR is set, this is the loop for this subtest.
* The force loop flag is set after the first error.
*/
asm("_cmpf_2_lp1:");
asm("ldf _sgl_value_1"); /* load the 1st operand */
asm("tstl _sgl_dummy1"); /* generate initial status */
asm("movpsl _init_psl"); /* save the initial status */
asm("cmpf _sgl_value_2"); /* compare the operands */
asm("movpsl _psl_val"); /* save the final status */
asm("stf _sgl_st_acc"); /* save the final acc */
if( force_loop ) /* loop? */
asm("brb _cmpf_2_lp1");; /* run the loop again */
exp_psl = init_psl; /* get the initial PSL */
exp_psl &= 0xfffffff3; /* clear ZERO, NEGATIVE */
if( sgl_expected == ZERO )
exp_psl |= PSL_Z; /* expect the ZERO bit set */
if( sgl_expected == NEGATIVE )
exp_psl |= PSL_N; /* expect the NEG bit set */
if( psl_val != exp_psl ) { /* COMPARE the values */
errcnt++; /* bump the error count */
if ( prt_error ) {
writes(" \n"); /* start a new print line */
writes("cycle: ");
writed( cycle );
writes(" CMPF test ");
writed( test_no );
writes(", subtest 2 (Cache Data) - BAD FINAL PSL\n");
print_cmpf_data();
writes(", data index = ");
writed( index );
writec('\n');
writes("initial PSL = ");
write32h( init_psl );
writes(", final PSL = ");
write32h( psl_val );
writes(", expected PSL = ");
write32h( exp_psl );
writes("\n");
}
if ( halt_flg )
cmpf_er_halt( BAD_PSL_HLT ); /* halt on the error */
if ( loop_on_err ) {
force_loop = TRUE; /* set the force loop flag */
asm("brw _cmpf_2_lp1"); /* and loop on the error */
} /* end of loop on error */
} /* end of compare error */
} while ( ++status_index < 3 ); /* end of PSL WHILE loop */
} while( index++ < max_cmpf_1_index);/* end of data loop */
} /* end of subtest 2 */
/************************************************************************
*
* SUBTEST 3 - Check for register corruption
*
************************************************************************/
cmpf_3()
{
force_loop = FALSE; /* clear force_loop flg */
subtest = 3;
fill_reg_buf( load_regs ); /* get pattern for regs */
index = 0;
do
{
sgl_value_1 = cmpf_1_data[index].one; /* data to load */
sgl_value_2 = cmpf_1_data[index].two; /* data to compare */
/*
* If LOOP ON ERROR is set, this is the loop for this subtest.
* The force loop flag is set after the first error.
*/
asm("_cmpf_3_lp1:");
asm("ldf _sgl_value_1"); /* LOAD the accumulator */
asm("nop");
asm("loadr $0x1fff,_load_regs"); /* load regs 0 - 12 */
asm("nop");
asm("cmpf _sgl_value_2"); /* test the values */
asm("nop");
asm("storer $0x1fff,_store_regs"); /* store regs 0 - 12 */
asm("stf _sgl_st_acc"); /* save the final acc */
if( force_loop ) /* loop? */
asm("brb _cmpf_3_lp1");; /* run the loop again */
/*
* Now compare the stored register values to those that were loaded
*/
index2 = 0;
while( (load_regs[index2] == store_regs[index2]) && (index2 < 13) )
index2++; /* check reg values */
if( index2 < 13 ) { /* error if index2 < 13 */
errcnt++; /* bump the error count */
if ( prt_error ) {
writes(" \n"); /* start a new print line */
writes("cycle: ");
writed( cycle );
writes(", CMPF test ");
writed( test_no );
writes(", subtest 3 - A REGISTER WAS MODIFIED\n");
print_cmpf_data(); /* print the operands */
writes("\n");
writes("register "); /* print the information */
writed( index2 ); /* about the corrupted */
writes(" = "); /* register */
write32h( store_regs[index2] );
writes(", should be = ");
write32h( load_regs[index2] );
writes("\n");
}
if ( halt_flg ) /* halt on error? */
cmpf_er_halt( BAD_REG_HLT ); /* PC after the halt */
if ( loop_on_err ) {
force_loop = TRUE; /* set the force loop flag */
asm("brw _cmpf_3_lp1"); /* and loop on the error */
} /* end of loop on error */
} /* end of register corruption error */
} while( index++ < max_cmpf_1_index);/* end of data loop */
} /* end of subtest 3 */
/************************************************************************
*
* SUBTEST 4 - Check for accumulator corruption
*
************************************************************************/
cmpf_4()
{
force_loop = FALSE; /* clear force_loop flg */
index = 0;
do
{
sgl_value_1 = cmpf_1_data[index].one; /* data to load */
sgl_value_2 = cmpf_1_data[index].two;
if( sgl_value_1 & 0x7f800000 )
sgl_expected = sgl_value_1; /* expected = loaded */
else
sgl_expected = 0; /* expect a '0' stored */
/*
* If LOOP ON ERROR is set, this is the loop for this subtest.
* The force loop flag is set after the first error.
*/
asm("_cmpf_4_lp1:");
asm("ldf _sgl_value_1"); /* LOAD the accumulator */
asm("cmpf _sgl_value_2"); /* test the values */
asm("stf _sgl_st_acc"); /* store the accumulator */
if( force_loop ) /* loop? */
asm("brb _cmpf_4_lp1");; /* run the loop again */
if( sgl_st_acc != sgl_expected ) /* COMPARE the values */
{
errcnt++; /* bump the error count */
if ( prt_error ) {
writes(" \n"); /* start a new print line */
writes("cycle: ");
writed( cycle );
writes(" CMPF test ");
writed( test_no );
writes(", subtest 4 (Cache Data) - THE ACC WAS MODIFIED\n");
print_cmpf_data();
writes(", data index = ");
writed( index );
writec('\n');
writes(" final Acc = ");
write32h( sgl_st_acc );
writes(", Acc expected = ");
write32h( sgl_expected );
writec('\n');
}
if ( halt_flg ) /* halt on error? */
cmpf_er_halt( BAD_ACC_HLT ); /* halt on the error */
if ( loop_on_err ) {
force_loop = TRUE; /* set the force loop flag */
asm("brw _cmpf_4_lp1"); /* and loop on the error */
} /* end of loop on error */
} /* end of compare error */
} while( index++ < max_cmpf_1_index);/* end of data loop */
} /* end of subtest 4 */
/****************************************************************************
*
* SUBTEST 5 - CMPF status test - piped entry
*
****************************************************************************/
cmpf_5()
{
force_loop = FALSE;
subtest = 5;
index = 0;
do
{
sgl_value_1 = cmpf_1_data[index].one; /* get the data operands */
sgl_value_2 = cmpf_1_data[index].two;
sgl_expected = cmpf_1_data[index].flag;/* get expected results */
status_index = 0; /* clear the status index */
do
{
sgl_dummy1 = status_array[status_index]; /* array = +, -, 0 */
/*
* If LOOP ON ERROR is set, this is the loop for this subtest.
* The force loop flag is set after the first error.
*/
asm("_cmpf_5_lp1:");
asm("movl $0,r0"); /* clear r0 */
asm("ldf r0"); /* load the accumulator */
asm("addf _sgl_value_1"); /* add the 1st operand */
asm("tstl _sgl_dummy1"); /* generate initial status */
asm("movpsl _init_psl"); /* save the initial status */
asm("cmpf _sgl_value_2"); /* compare the operands */
asm("movpsl _psl_val"); /* save the final status */
asm("stf _sgl_st_acc"); /* save the final acc */
if( force_loop ) /* loop? */
asm("brb _cmpf_5_lp1");; /* run the loop again */
exp_psl = init_psl; /* get the initial PSL */
exp_psl &= 0xfffffff3; /* clear ZERO, NEGATIVE */
if( sgl_expected == ZERO )
exp_psl |= PSL_Z; /* expect the ZERO bit set */
if( sgl_expected == NEGATIVE )
exp_psl |= PSL_N; /* expect the NEG bit set */
if( psl_val != exp_psl ) { /* COMPARE the values */
errcnt++; /* bump the error count */
if ( prt_error ) {
writes(" \n"); /* start a new print line */
writes("cycle: ");
writed( cycle );
writes(" CMPF test ");
writed( test_no );
writes(", subtest 5 (Piped Entry) - BAD FINAL PSL\n");
print_cmpf_data();
writes(", data index = ");
writed( index );
writec('\n');
writes("initial PSL = ");
write32h( init_psl );
writes(", final PSL = ");
write32h( psl_val );
writes(", expected PSL = ");
write32h( exp_psl );
writes("\n");
}
if ( halt_flg )
cmpf_er_halt( BAD_PSL_HLT ); /* halt on the error */
if ( loop_on_err ) {
force_loop = TRUE; /* set the force loop flag */
asm("brw _cmpf_5_lp1"); /* and loop on the error */
} /* end of loop on error */
} /* end of compare error */
} while ( ++status_index < 3 ); /* end of PSL WHILE loop */
} while( index++ < max_cmpf_1_index);/* end of data loop */
} /* end of subtest 5 */
/****************************************************************************
*
* SUBTEST 6 - CMPF status test -piped exit
*
****************************************************************************/
cmpf_6()
{
force_loop = FALSE;
subtest = 2;
index = 0;
do
{
sgl_value_1 = cmpf_1_data[index].one; /* data to load */
sgl_value_2 = cmpf_1_data[index].two;
if( sgl_value_1 & 0x7f800000 )
sgl_expected = sgl_value_1; /* expected = loaded */
else
sgl_expected = 0; /* expect a '0' stored */
/*
* If LOOP ON ERROR is set, this is the loop for this subtest.
* The force loop flag is set after the first error.
*/
asm("_cmpf_6_lp1:");
asm("movl $0,r0"); /* clear r0 */
asm("ldf _sgl_value_1"); /* load the 1st operand */
asm("cmpf _sgl_value_2"); /* compare the value */
asm("addf r0"); /* add a zero to the acc */
asm("stf _sgl_st_acc"); /* save the accumulator */
if( force_loop ) /* loop? */
asm("brb _cmpf_6_lp1");; /* run the loop again */
if( sgl_st_acc != sgl_expected ) { /* COMPARE the values */
errcnt++; /* bump the error count */
if ( prt_error ) {
writes(" \n"); /* start a new print line */
writes("cycle: ");
writed( cycle );
writes(" CMPF test ");
writed( test_no );
writes(", subtest 6 (Piped Exit) - THE ACC WAS MODIFIED\n");
print_cmpf_data();
writes(", data index = ");
writed( index );
writec('\n');
writes(" final Acc = ");
write32h( sgl_st_acc );
writes(", Acc expected = ");
write32h( sgl_expected );
writec('\n');
}
if ( halt_flg )
cmpf_er_halt( BAD_ACC_HLT ); /* halt on the error */
if ( loop_on_err ) {
force_loop = TRUE; /* set the force loop flag */
asm("brw _cmpf_6_lp1"); /* and loop on the error */
} /* end of loop on error */
} /* end of compare error */
} while( index++ < max_cmpf_1_index); /* end of data loop */
} /* end of subtest 6 */
/**************************************************************************
*
* PRINT THE DATA AND STORE RESULTS
*
* initial Acc = xxxxxxxx, stored = xxxxxxxx, data index = xx
* operand = xxxxxxxx, expected = xxxxxxxx
**************************************************************************/
print_cmpf_data()
{
writes("initial Acc = ");
write32h( sgl_value_1 );
writes(", operand = ");
write32h( sgl_value_2 );
}
/**************************************************************************
*
* HALT ON ERROR ROUTINE
*
**************************************************************************/
cmpf_er_halt( halt_code )
int halt_code;
{
sgl_dummy1 = halt_code; /* get the error type */
asm("movl _test_no,r0"); /* r0 = test number */
asm("movl _subtest,r1"); /* r1 = subtest number */
asm("movl _sgl_dummy1,r2"); /* r2 = error code */
asm("movl _cycle,r3"); /* r3 = cycle count */
asm("movl _sgl_value_1,r4"); /* r4 = initial acc */
asm("movl _sgl_value_2,r5"); /* r5 = data compared */
asm("movl _psl_val,r6"); /* r6 = final PSL */
if( halt_code == BAD_ACC_HLT ) {
asm("movl _sgl_st_acc,r7"); /* r7 = actual value */
asm("movl _sgl_expected,r8"); /* r8 = expected value */
} else
if( halt_code == BAD_REG_HLT ) {
sgl_dummy1 = load_regs[index2];
sgl_dummy2 = store_regs[index2];
asm("movl _index2,r7"); /* r7 = bad register # */
asm("movl _sgl_dummy2,r8"); /* r8 = actual value */
asm("movl _sgl_dummy1,r9"); /* r9 = expected value */
} else
if( halt_code == BAD_PSL_HLT ) {
asm("movl _exp_psl,r7"); /* r7 = expected PSL */
asm("movl _index,r7"); /* r8 = data index */
};
asm("halt"); /* HALT ... */
}
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