Annotation of cci/d/fpevent/pipe3.c, revision 1.1.1.1

1.1       root        1: 
                      2: #include "evt_defs.h"
                      3: 
                      4: /*
                      5:  *********************************************************************
                      6:  *     FPP PIPELINED EVENTS TEST #3
                      7:  *
                      8:  *  This test will execute the following code: "LDF LOGF CMPF2 LOGF"
                      9:  * with a reserved operand fault on the CMPF2. We will make sure that:
                     10:  * 1. The fault is detected, 
                     11:  * 2. the 1st log operation completes, and
                     12:  * 3. the 2nd log instruction is not executed.
                     13:  *********************************************************************
                     14: */
                     15: pipe3()
                     16: {
                     17:        asm("moval (r13),_pre_event_fp");       /* save the frame pointer */
                     18:        asm("moval (r14),_pre_event_sp");       /* save the stack pointer */
                     19:        precision = SGL;
                     20:        test_event = RESOP_CODE;                /* reserved op.fault expected */
                     21:        exp_event = FALSE;                      /* ... but not yet          */
                     22:        asm("movab _pipe3_ret,_event_return"); /* post event addr */
                     23:        for( index = 0; index < max_pipe3_index; index++ ) {
                     24:             dbl_ld_acc =   pipe3_data[index].op_1;     /* get the data */
                     25:             dbl_expected = pipe3_data[index].exp;
                     26:             dbl_value_1 =  cmp2_resops[index].op_1;    /* get reserved ops. */
                     27:             dbl_value_2 =  cmp2_resops[index].op_2;
                     28:             asm(".globl _pipe3_lp1");
                     29:             asm("_pipe3_lp1:");
                     30:             asm("bispsw $0x60");                       /* enable ovfl,undfl */
                     31:             asm("ldf _dbl_ld_acc");                    /* load the Acc.     */
                     32:             exp_event = test_event;                    /* expect event soon */
                     33:             asm("logf");                               /* get the log       */
                     34:             asm("cmpf2 _dbl_value_1,_dbl_value_2");    /* cause the event   */
                     35:             asm("logf");                               /* shouldn't get here*/
                     36: /*
                     37:  * If we got to here then there was no event
                     38: */
                     39:             if( force_loop )
                     40:                  asm("brw _pipe3_lp1");;       /* loop on the error         */
                     41:             exp_event = FALSE;                 /* reset event expected flag */
                     42:             asm("bicpsw $0x60");               /* disable ovfl & undfl evts */
                     43:             asm("movl _pre_event_fp,fp");      /* restore the frame pointer */
                     44:             asm("movl _pre_event_sp,sp");      /* restore the stack pointer */
                     45:             no_pipe3_evt();;                   /* report the error          */
                     46: /*
                     47:  * Come here after the event
                     48: */
                     49:             asm(".globl _pipe3_ret");
                     50:             asm("_pipe3_ret:");
                     51:             asm("movl _pre_event_fp,fp");      /* restore the frame pointer */
                     52:             asm("movl _pre_event_sp,sp");      /* restore the stack pointer */
                     53:             if( force_loop )
                     54:                  asm("brw _pipe3_lp1");;       /* loop on the error         */
                     55:             asm("bicpsw $0x60");               /* disable ovfl & undfl evts */
                     56:             if( post_evt_acc.m != dbl_expected.m )
                     57:                  bad_pipe3_result();           /* incorrect result error    */
                     58:             
                     59:        }
                     60: }
                     61: 
                     62: 
                     63: 
                     64: /****************************************************************************
                     65: *              Report an "EVENT NOT DETECTED" error
                     66: *
                     67: * Cycle: xx. EVT test xx. subtest xx. No reserved operand fault. index = xx
                     68: * inst = LDF op_1, LOGF, CMPF2 op_2,op_3, LOGF (reserved op. fault on CMPF2)
                     69: * op_1 = xxxxxxxx,   op_2 = xxxxxxxx,    op_3 = xxxxxxxx 
                     70: ****************************************************************************/
                     71: no_pipe3_evt()
                     72: {
                     73:        errcnt++;                               /* bump the error count    */
                     74:        if ( prt_error ) {
                     75:             print_pipe3_er( ". No reserved operand fault. " );
                     76:             writes("op_1 = ");
                     77:             write32h( dbl_ld_acc.m );
                     78:             writes(",   op_2 = ");
                     79:             write32h( dbl_value_1.m );
                     80:             writes(",   op_3 = ");
                     81:             write32h( dbl_value_2.m );
                     82:             writec('\n');
                     83:        }
                     84:        if ( halt_flg )                         /* halt on error?          */
                     85:             pipe3_halt( 1 );                   /* halt with a code of 1   */
                     86:        if ( loop_on_err ) {
                     87:             force_loop = TRUE;                 /* set the force loop flag */
                     88:             asm("jmp _pipe3_lp1");             /* and loop                */
                     89:        };
                     90: }
                     91: 
                     92: 
                     93: 
                     94: 
                     95: /****************************************************************************
                     96: *              Report an "BAD ACCUMULATOR AFTER THE EVENT" error
                     97: *
                     98: * Cycle: xx. EVT test xx. subtest xx. Bad final Accumulator. index = xx
                     99: * inst = LDF op_1, LOGF, CMPF2 op_2,op_3, LOGF (reserved op. fault on CMPF2)
                    100: * The 2nd LOGF should not be executed.
                    101: * op_1 = xxxxxxxx,   final Acc. = xxxxxxxx,   expected = xxxxxxxx 
                    102: ****************************************************************************/
                    103: bad_pipe3_result()
                    104: {
                    105:        errcnt++;                               /* bump the error count    */
                    106:        if ( prt_error ) {
                    107:             print_pipe3_er( ". Bad final Accumulator. " );
                    108:             writes("The 2nd LOGF should not be executed\n");
                    109:             writes("op_1 = ");
                    110:             write32h( dbl_ld_acc.m );
                    111:             writes(",   final Acc. = ");
                    112:             write32h( post_evt_acc.m );
                    113:             writes(",   expected   = ");
                    114:             write32h( dbl_expected.m );
                    115:             writec('\n');
                    116:        }
                    117:        if ( halt_flg )                         /* halt on error?           */
                    118:             pipe3_halt( 2 );                   /* halt with a code of 2    */
                    119:        if ( loop_on_err ) {
                    120:             force_loop = TRUE;         /* set the force loop flag */
                    121:             asm("jmp _pipe3_lp1");     /* and loop                */
                    122:        };
                    123: }
                    124: 
                    125: 
                    126: 
                    127: 
                    128: 
                    129: 
                    130: /****************************************************************************
                    131: *              Report an error message of the form:
                    132: *
                    133: * Cycle: xx. EVT test xx. subtest xx. <your message here>. index = xx
                    134: * inst = LDF op_1, LOGF, CMPF2 op_2,op_3, LOGF (reserved op. fault on CMPF2)
                    135: ****************************************************************************/
                    136: print_pipe3_er( msg )
                    137: char *msg;                                     /* error message to print   */
                    138: {
                    139:             if( errcnt == 1 )                  /* 1st error?               */
                    140:                  writes(" \n");                /* start a new print line   */
                    141:             writes("Cycle: ");
                    142:             writed( cycle );
                    143:             writes("  EVT test ");
                    144:             writed( test_no );
                    145:             writes(". subtest ");
                    146:             writed( subtest );
                    147:             writes( msg );                     /* print the message */
                    148:             writes(" index = ");
                    149:             writed( index );
                    150:             writes("\ninst = LDF op_1, LOGF, CMPF2 op_2,op_3, LOGF");
                    151:             writes(" (reserved op. fault on CMPF2)\n");
                    152: }
                    153: 
                    154: 
                    155: 
                    156: /****************************************************************************
                    157: *              halt on error routine
                    158: ****************************************************************************/
                    159: pipe3_halt( code )
                    160: int code;                              /* error code to halt with */
                    161: {
                    162:        err_code = code;
                    163:        sgl_value_1 = dbl_ld_acc.m;
                    164:        asm("movl _test_no,r0");                /* r0  = test number        */
                    165:        asm("movl _subtest,r1");                /* r1  = subtest number     */
                    166:        asm("movl _err_code,r2");               /* r2  = error code         */
                    167:        asm("movl _cycle,r3");                  /* r3  = cycle count        */
                    168:        asm("movl _sgl_value_1,r4");            /* r4  = initial operand    */
                    169:        if( code == 1 ) {
                    170:             sgl_value_2 = dbl_value_1.m;
                    171:             sgl_value_3 = dbl_value_2.m;
                    172:             asm("movl _sgl_value_2,r5");       /* r5  = 1st CMPF2 operand  */
                    173:             asm("movl _sgl_value_3,r6");       /* r6  = 2nd CMPF2 operand  */
                    174:        } else {
                    175:             sgl_value_2 = post_evt_acc.m;
                    176:             sgl_value_3 = dbl_expected.m;
                    177:             asm("movl _sgl_value_2,r5");       /* r5  = final accumulator  */
                    178:             asm("movl _sgl_value_3,r6");       /* r6  = expected accumulator */
                    179:        }
                    180:        asm("movl _index,r7");                  /* r7  = data index         */
                    181:        asm("halt");                            /* HALT ...                 */
                    182: }

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