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Power 6/32 Unix version 1.21

#include "evt_defs.h"

/*
 *********************************************************************
 *	FPP PIPELINED EVENTS TEST #3
 *
 *  This test will execute the following code: "LDF LOGF CMPF2 LOGF"
 * with a reserved operand fault on the CMPF2. We will make sure that:
 * 1. The fault is detected, 
 * 2. the 1st log operation completes, and
 * 3. the 2nd log instruction is not executed.
 *********************************************************************
*/
pipe3()
{
	asm("moval (r13),_pre_event_fp");	/* save the frame pointer */
	asm("moval (r14),_pre_event_sp");	/* save the stack pointer */
	precision = SGL;
	test_event = RESOP_CODE;		/* reserved op.fault expected */
	exp_event = FALSE;			/* ... but not yet          */
	asm("movab _pipe3_ret,_event_return"); /* post event addr */
	for( index = 0; index < max_pipe3_index; index++ ) {
	     dbl_ld_acc =   pipe3_data[index].op_1;	/* get the data */
	     dbl_expected = pipe3_data[index].exp;
	     dbl_value_1 =  cmp2_resops[index].op_1;	/* get reserved ops. */
	     dbl_value_2 =  cmp2_resops[index].op_2;
	     asm(".globl _pipe3_lp1");
	     asm("_pipe3_lp1:");
	     asm("bispsw $0x60");			/* enable ovfl,undfl */
	     asm("ldf _dbl_ld_acc");			/* load the Acc.     */
	     exp_event = test_event;			/* expect event soon */
	     asm("logf");				/* get the log       */
	     asm("cmpf2 _dbl_value_1,_dbl_value_2");	/* cause the event   */
	     asm("logf");				/* shouldn't get here*/
/*
 * If we got to here then there was no event
*/
	     if( force_loop )
		  asm("brw _pipe3_lp1");;	/* loop on the error         */
	     exp_event = FALSE;			/* reset event expected flag */
	     asm("bicpsw $0x60");		/* disable ovfl & undfl evts */
	     asm("movl _pre_event_fp,fp");	/* restore the frame pointer */
	     asm("movl _pre_event_sp,sp");	/* restore the stack pointer */
	     no_pipe3_evt();;			/* report the error          */
/*
 * Come here after the event
*/
	     asm(".globl _pipe3_ret");
	     asm("_pipe3_ret:");
	     asm("movl _pre_event_fp,fp");	/* restore the frame pointer */
	     asm("movl _pre_event_sp,sp");	/* restore the stack pointer */
	     if( force_loop )
		  asm("brw _pipe3_lp1");;	/* loop on the error         */
	     asm("bicpsw $0x60");		/* disable ovfl & undfl evts */
	     if( post_evt_acc.m != dbl_expected.m )
		  bad_pipe3_result();		/* incorrect result error    */
	     
	}
}



/****************************************************************************
*		Report an "EVENT NOT DETECTED" error
*
* Cycle: xx. EVT test xx. subtest xx. No reserved operand fault. index = xx
* inst = LDF op_1, LOGF, CMPF2 op_2,op_3, LOGF (reserved op. fault on CMPF2)
* op_1 = xxxxxxxx,   op_2 = xxxxxxxx,    op_3 = xxxxxxxx 
****************************************************************************/
no_pipe3_evt()
{
	errcnt++;				/* bump the error count    */
	if ( prt_error ) {
	     print_pipe3_er( ". No reserved operand fault. " );
	     writes("op_1 = ");
	     write32h( dbl_ld_acc.m );
	     writes(",   op_2 = ");
	     write32h( dbl_value_1.m );
	     writes(",   op_3 = ");
	     write32h( dbl_value_2.m );
	     writec('\n');
	}
	if ( halt_flg ) 			/* halt on error?          */
	     pipe3_halt( 1 );			/* halt with a code of 1   */
	if ( loop_on_err ) {
	     force_loop = TRUE;			/* set the force loop flag */
	     asm("jmp _pipe3_lp1");		/* and loop                */
	};
}




/****************************************************************************
*		Report an "BAD ACCUMULATOR AFTER THE EVENT" error
*
* Cycle: xx. EVT test xx. subtest xx. Bad final Accumulator. index = xx
* inst = LDF op_1, LOGF, CMPF2 op_2,op_3, LOGF (reserved op. fault on CMPF2)
* The 2nd LOGF should not be executed.
* op_1 = xxxxxxxx,   final Acc. = xxxxxxxx,   expected = xxxxxxxx 
****************************************************************************/
bad_pipe3_result()
{
	errcnt++;				/* bump the error count    */
	if ( prt_error ) {
	     print_pipe3_er( ". Bad final Accumulator. " );
	     writes("The 2nd LOGF should not be executed\n");
	     writes("op_1 = ");
	     write32h( dbl_ld_acc.m );
	     writes(",   final Acc. = ");
	     write32h( post_evt_acc.m );
	     writes(",   expected   = ");
	     write32h( dbl_expected.m );
	     writec('\n');
	}
	if ( halt_flg ) 			/* halt on error?           */
	     pipe3_halt( 2 );			/* halt with a code of 2    */
	if ( loop_on_err ) {
	     force_loop = TRUE;		/* set the force loop flag */
	     asm("jmp _pipe3_lp1");	/* and loop                */
	};
}






/****************************************************************************
*		Report an error message of the form:
*
* Cycle: xx. EVT test xx. subtest xx. <your message here>. index = xx
* inst = LDF op_1, LOGF, CMPF2 op_2,op_3, LOGF (reserved op. fault on CMPF2)
****************************************************************************/
print_pipe3_er( msg )
char *msg;					/* error message to print   */
{
	     if( errcnt == 1 )			/* 1st error?               */
		  writes(" \n");		/* start a new print line   */
	     writes("Cycle: ");
	     writed( cycle );
	     writes("  EVT test ");
	     writed( test_no );
	     writes(". subtest ");
	     writed( subtest );
	     writes( msg );			/* print the message */
	     writes(" index = ");
	     writed( index );
	     writes("\ninst = LDF op_1, LOGF, CMPF2 op_2,op_3, LOGF");
	     writes(" (reserved op. fault on CMPF2)\n");
}



/****************************************************************************
*		halt on error routine
****************************************************************************/
pipe3_halt( code )
int code;				/* error code to halt with */
{
	err_code = code;
	sgl_value_1 = dbl_ld_acc.m;
	asm("movl _test_no,r0");		/* r0  = test number        */
	asm("movl _subtest,r1");		/* r1  = subtest number     */
	asm("movl _err_code,r2");		/* r2  = error code         */
	asm("movl _cycle,r3");			/* r3  = cycle count        */
	asm("movl _sgl_value_1,r4");		/* r4  = initial operand    */
	if( code == 1 ) {
	     sgl_value_2 = dbl_value_1.m;
	     sgl_value_3 = dbl_value_2.m;
	     asm("movl _sgl_value_2,r5");	/* r5  = 1st CMPF2 operand  */
	     asm("movl _sgl_value_3,r6");	/* r6  = 2nd CMPF2 operand  */
	} else {
	     sgl_value_2 = post_evt_acc.m;
	     sgl_value_3 = dbl_expected.m;
	     asm("movl _sgl_value_2,r5");	/* r5  = final accumulator  */
	     asm("movl _sgl_value_3,r6");	/* r6  = expected accumulator */
	}
	asm("movl _index,r7");			/* r7  = data index         */
	asm("halt");				/* HALT ...                 */
}

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