![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to cmpd.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Power 6/32 Unix Tahoe 4.2BSD] / cci / d / macro4|
Return to cmpd.c CVS log | Up to [Power 6/32 Unix Tahoe 4.2BSD] / cci / d / macro4 |
Power 6/32 Unix version 1.21
#include "fpp_defs.h"
/***************************************************************************
*
* CMPD -COMPARE SGL ACCUMULATOR TO SGL OPERAND
*
*****************************************************************************/
cmpd()
{
asm(".globl _cmpd_t");
asm("_cmpd_t:"); /* entry address */
if( ( cycle == 1 ) && ( prt_hdrs ) ) /* print headers on 1st pass */
{
writes(" CMPD");
}
cmpd_1(); /* test via registers */
cmpd_2(); /* test via cache */
cmpd_3(); /* register corruption test */
cmpd_4(); /* acc. corruption test */
asm("jmp *return"); /* return to the test monitor */
}
/****************************************************************************
*
* SUBTEST 1 - CMPD status test -register data
*
****************************************************************************/
cmpd_1()
{
force_loop = FALSE;
subtest = 1;
index = 0;
do
{
dbl_value_1 = cmpd_1_data[index].one; /* get the data operands */
dbl_value_2 = cmpd_1_data[index].two;
sgl_expected = cmpd_1_data[index].flag; /* get expected results */
sgl_value_1 = dbl_value_1.m;
sgl_value_2 = dbl_value_1.l;
sgl_value_3 = dbl_value_2.m;
sgl_value_4 = dbl_value_2.l;
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("_cmpd_1_lp1:");
asm("movl _sgl_value_1,r4"); /* move operand #1 to r4 */
asm("movl _sgl_value_2,r5"); /* move operand #1 to r5 */
asm("movl _sgl_value_3,r6"); /* move operand #2 to r6 */
asm("movl _sgl_value_4,r7"); /* move operand #2 to r7 */
asm("ldd r4"); /* load the operand */
asm("tstl _sgl_dummy1"); /* generate initial status */
asm("movpsl _init_psl"); /* save the initial status */
asm("cmpd r6"); /* compare the operands */
asm("movpsl _psl_val"); /* save the final status */
if( force_loop ) /* loop? */
asm("brb _cmpd_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(" CMPD test ");
writed( test_no );
writes(", subtest 1 (Reg. Data) - BAD FINAL PSL\n");
print_cmpd_data();
writes(", index = ");
writed( index );
writes("\ninitial PSL = ");
write32h( init_psl );
writes(", final PSL = ");
write32h( psl_val );
writes(", expected PSL = ");
write32h( exp_psl );
writes("\n");
}
if ( halt_flg )
cmpd_er_halt( BAD_PSL_HLT );/* halt on the error */
if ( loop_on_err ) {
force_loop = TRUE; /* set the force loop flag */
asm("brw _cmpd_1_lp1"); /* and loop on the error */
} /* end of loop on error */
} /* end of compare error */
} while( ++status_index < 3 ); /* end of WHILE loop */
} while ( index++ < max_cmpd_1_index ); /* end of WHILE loop */
} /* end of subtest 1 */
/****************************************************************************
*
* SUBTEST 2 - CMPD status test -cache data
*
****************************************************************************/
cmpd_2()
{
force_loop = FALSE;
subtest = 2;
index = 0;
do
{
dbl_value_1 = cmpd_1_data[index].one; /* get the data operands */
dbl_value_2 = cmpd_1_data[index].two;
sgl_expected = cmpd_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("_cmpd_2_lp1:");
asm("ldd _dbl_value_1"); /* load the 1st operand */
asm("tstl _sgl_dummy1"); /* generate initial status */
asm("movpsl _init_psl"); /* save the initial status */
asm("cmpd _dbl_value_2"); /* compare the operands */
asm("movpsl _psl_val"); /* save the final status */
if( force_loop ) /* loop? */
asm("brb _cmpd_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(" CMPD test ");
writed( test_no );
writes(", subtest 2 (Cache Data) - BAD FINAL PSL\n");
print_cmpd_data();
writes(", index = ");
writed( index );
writes("\ninitial PSL = ");
write32h( init_psl );
writes(", final PSL = ");
write32h( psl_val );
writes(", expected PSL = ");
write32h( exp_psl );
writes("\n");
}
if ( halt_flg )
cmpd_er_halt( BAD_PSL_HLT ); /* halt on the error */
if ( loop_on_err ) {
force_loop = TRUE; /* set the force loop flag */
asm("brw _cmpd_2_lp1"); /* and loop on the error */
} /* end of loop on error */
} /* end of compare error */
} while( ++status_index < 3 ); /* end of WHILE loop */
} while ( index++ < max_cmpd_1_index ); /* end of WHILE loop */
} /* end of subtest 2 */
/************************************************************************
*
* SUBTEST 3 - Check for register corruption
*
************************************************************************/
cmpd_3()
{
force_loop = FALSE; /* clear force_loop flg */
subtest = 3;
fill_reg_buf( load_regs ); /* get pattern for regs */
index = 0;
do
{
dbl_value_1 = cmpd_1_data[index].one; /* data to load */
dbl_value_2 = cmpd_1_data[index].two; /* data to compare */
dbl_expected = cmpd_1_data[index].one; /* expected result */
/*
* If LOOP ON ERROR is set, this is the loop for this subtest.
* The force loop flag is set after the first error.
*/
asm("_cmpd_3_lp1:");
asm("ldd _dbl_value_1"); /* LOAD the accumulator */
asm("nop");
asm("loadr $0x1fff,_load_regs"); /* load regs 0 - 12 */
asm("nop");
asm("cmpd _dbl_value_2"); /* test the values */
asm("nop");
asm("storer $0x1fff,_store_regs"); /* store regs 0 - 12 */
if( force_loop ) /* loop? */
asm("brb _cmpd_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(", CMPD test ");
writed( test_no );
writes(", subtest 3 - A REGISTER WAS MODIFIED\n");
print_cmpd_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? */
cmpd_er_halt( BAD_REG_HLT ); /* PC after halt */
if ( loop_on_err ) {
force_loop = TRUE; /* set force loop flag */
asm("brw _cmpd_3_lp1"); /* and loop on error */
} /* end of loop on error */
} /* end of register corruption error */
} while ( index++ < max_cmpd_1_index ); /* end of WHILE loop */
} /* end of subtest 3 */
/************************************************************************
*
* SUBTEST 4 - Check for accumulator corruption
*
************************************************************************/
cmpd_4()
{
force_loop = FALSE; /* clear force_loop flg */
index = 0;
do
{
dbl_value_1 = cmpd_1_data[index].one; /* data to load */
dbl_value_2 = cmpd_1_data[index].two;
dbl_expected = cmpd_1_data[index].one; /* expected result */
if( !(dbl_value_1.m & 0x7f800000) ) { /* */
dbl_expected.m = 0; /* */
dbl_expected.l = 0; /* ignore bad 0's */
} /* */
sgl_value_1 = dbl_value_1.m;
sgl_value_2 = dbl_value_1.l;
sgl_value_3 = dbl_value_2.m;
sgl_value_4 = dbl_value_2.l;
/*
* If LOOP ON ERROR is set, this is the loop for this subtest.
* The force loop flag is set after the first error.
*/
asm("_cmpd_4_lp1:");
asm("movl _sgl_value_1,r4"); /* r4 = operand #1's MSW */
asm("movl _sgl_value_2,r5"); /* r5 = operand #1's LSW */
asm("movl _sgl_value_3,r6"); /* r6 = operand #2's MSW */
asm("movl _sgl_value_4,r7"); /* r7 = operand #2's LSW */
asm("ldd r4"); /* store the accumulator */
asm("cmpd r6"); /* test the values */
asm("std r8"); /* store the accumulator */
if( force_loop ) /* loop? */
asm("brb _cmpd_4_lp1");; /* run the loop again */
asm("movl r8,_sgl_value_5"); /* move results to cache */
asm("movl r9,_sgl_value_6");
if ( (sgl_value_5 != dbl_expected.m) || /* COMPARE the values */
(sgl_value_6 != dbl_expected.l) ){
errcnt++; /* bump the error count */
if ( prt_error ) {
writes(" \n"); /* start a new print line */
writes("cycle: ");
writed( cycle );
writes(", CMPD test ");
writed( test_no );
writes(", subtest 4 - THE ACC WAS MODIFIED\n");
print_cmpd_data();
writes(", index = ");
writed( index );
writec('\n');
writes(" final Acc = ");
write32h( sgl_value_5 );
writec(' ');
write32h( sgl_value_6 );
writec('\n');
writes(" expected = ");
write32h( dbl_expected.m );
writec(' ');
write32h( dbl_expected.l );
writec('\n');
}
if ( halt_flg ) /* halt on error? */
cmpd_er_halt( BAD_ACC_HLT ); /* halt on the error */
if ( loop_on_err ) {
force_loop = TRUE; /* set the force loop flag */
asm("brw _cmpd_4_lp1"); /* and loop on the error */
} /* end of loop on error */
} /* end of compare error */
} while ( index++ < max_cmpd_1_index ); /* end of WHILE loop */
} /* end of subtest 4 */
/**************************************************************************
*
* PRINT THE DATA AND STORE RESULTS
*
* initial Acc = xxxxxxxx xxxxxxxx, operand = xxxxxxxx xxxxxxxx
**************************************************************************/
print_cmpd_data()
{
writes("initial Acc = ");
write32h( dbl_value_1.m );
writec(' ');
write32h( dbl_value_1.l );
writes(" operand = ");
write32h( dbl_value_2.m );
writec(' ');
write32h( dbl_value_2.l );
}
/**************************************************************************
*
* HALT ON ERROR ROUTINE
*
**************************************************************************/
cmpd_er_halt( halt_code )
int halt_code;
{
sgl_value_1 = dbl_value_1.m;
sgl_value_2 = dbl_value_1.l;
sgl_value_3 = dbl_value_2.m;
sgl_value_4 = dbl_value_2.l;
sgl_value_5 = dbl_st_acc.m;
sgl_value_6 = dbl_st_acc.l;
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 = MS operand 1 */
asm("movl _sgl_value_2,r5"); /* r5 = LS operand 1 */
asm("movl _sgl_value_3,r6"); /* r6 = MS operand 2 */
asm("movl _sgl_value_4,r7"); /* r7 = MS operand 2 */
asm("movl _psl_val,r8"); /* r8 = actual PSL */
if( halt_code == BAD_ACC_HLT ) {
sgl_value_1 = dbl_expected.m;
sgl_value_2 = dbl_expected.l;
asm("movl _sgl_value_5,r9"); /* r9 = MS stored */
asm("movl _sgl_value_6,r10"); /* r10 = LS stored */
asm("movl _sgl_value_1,r11"); /* r11 = MS expected */
asm("movl _sgl_value_2,r12"); /* r12 = LS expected */
} else
if( halt_code == BAD_REG_HLT ) {
sgl_dummy1 = load_regs[index2];
sgl_dummy2 = store_regs[index2];
asm("movl _index2,r9"); /* r9 = bad register # */
asm("movl _sgl_dummy2,r10"); /* r10 = actual value */
asm("movl _sgl_dummy1,r11"); /* r11 = expected value */
} else
if( halt_code == BAD_PSL_HLT ) {
asm("movl _exp_psl,r9"); /* r9 = expected PSL */
asm("movl _index,r10"); /* r10 = data index */
};
asm("halt"); /* HALT ... */
}
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.