github.com/simh.simh
1
0
Fork 0
mirror of https://github.com/simh/simh.git synced 2026-04-29 13:12:13 +00:00
Code Releases Activity

VAX750: Fix UBA register alignment and length check

Browse Source 
The VAX 11/750 diagnostic supervisor makes word length references to
UBA register space, so this must have been legal.
This commit is contained in:
Mark Pizzolato
2016-06-20 16:51:52 -07:00
parent c5d5a9dfbf
commit f946508c8b
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
VAX/vax750_uba.c
View File

@@ -200,7 +200,7 @@ t_stat uba_rdreg (int32 *val, int32 pa, int32 lnt)
{ {
int32 idx, ofs; int32 idx, ofs;
if ((pa & 3) || (lnt != L_LONG)) { /* unaligned or not lw? */ if ((pa & 3) || (lnt < L_WORD)) { /* unaligned or not at least word? */
sim_printf (">>UBA: invalid adapter read mask, pa = %X, lnt = %d\r\n", pa, lnt); sim_printf (">>UBA: invalid adapter read mask, pa = %X, lnt = %d\r\n", pa, lnt);
/* FIXME: set appropriate error bits */ /* FIXME: set appropriate error bits */
return SCPE_OK; return SCPE_OK;