github.com/open-simh.simh
1
0
Fork 0
mirror of https://github.com/open-simh/simh.git synced 2026-05-04 15:16:06 +00:00
Code Issues Projects Releases Wiki Activity

All VAX: Fix REI check when compatibilty mode. From Bob Supnik

Browse Source 
The rule check on the PSL was incomplete. DV, FU, IV must all be zero,
and they weren't checked at all.

VAX Diagnostic EVKAE now runs to completion.
This commit is contained in:
Mark Pizzolato
2016-07-14 11:32:20 -07:00
parent 553bc357b9
commit 83bf230a47
2 changed files with 10 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
VAX/vax_cpu1.c
View File

@@ -1,6 +1,6 @@
/* vax_cpu1.c: VAX complex instructions
Copyright (c) 1998-2012, Robert M Supnik
Copyright (c) 1998-2016, Robert M Supnik
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
@@ -23,6 +23,10 @@
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from Robert M Supnik.
14-Jul-16 RMS Corrected REI rule 9
21-Jun-16 RMS Removed reserved check on SIRR (Mark Pizzolato)
18-Feb-16 RMS Changed variables in MxPR to unsigned
29-Mar-15 RMS Added model-specific IPR max
15-Mar-12 RMS Fixed potential integer overflow in LDPCTX (Mark Pizzolato)
25-Nov-11 RMS Added VEC_QBUS test in interrupt handler
23-Mar-11 RMS Revised idle design (Mark Pizzolato)
@@ -1193,7 +1197,7 @@ Rule SRM formulation Comment
6 tmp<25:24> LEQ tmp<23:22> tmp<cur_mode> LEQ tmp<prv_mode>
7 tmp<20:16> LEQ PSL<20:16> tmp<ipl> LEQ PSL<ipl>
8 tmp<31,29:28,21,15:8> = 0 tmp<mbz> = 0
9 tmp<31> = 1 => tmp<cur_mode> = 3, tmp<prv_mode> = 3>, tmp<fpd,is,ipl> = 0
9 tmp<31> = 1 => tmp<cur_mode> = 3, tmp<prv_mode> = 3>, tmp<fpd,is,ipl,dv,fu,iv> = 0
*/
int32 op_rei (int32 acc)
@@ -1545,7 +1549,7 @@ return cc;
int32 op_mfpr (int32 *opnd)
{
int32 prn = opnd[0];
uint32 prn = (uint32)opnd[0];
int32 val;
if (PSL & PSL_CUR) /* must be kernel */