mirrors/Bochs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

correctly handle CET Enbranch override prefix 0x3E in 64-bit mode

Browse Source
This commit is contained in:
Stanislav Shwartsman 2019-12-27 13:44:57 +00:00
parent 596c197cea
commit 8bd5272591
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
bochs/cpu/decoder/fetchdecode64.cc
View File

@ -1889,6 +1889,12 @@ fetch_b1:
b1 = *iptr++;
remain--;
#if BX_SUPPORT_CET
// in 64-bit mode DS prefix is ignored but still recorded for CET Endranch suppress hint
if (b1 == 0x3e)
seg_override = BX_SEG_REG_DS;
#endif
switch (b1) {
case 0x40:
case 0x41:
@ -1931,7 +1937,6 @@ fetch_b1:
case 0x26: // ES:
case 0x36: // SS:
case 0x3e: // DS:
seg_override = (b1 >> 3) & 3;
rex_prefix = 0;
if (remain != 0) {
goto fetch_b1;