Retro/pcem
Watch
1
0
Fork
You've already forked pcem
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

CHECK_READ()/CHECK_WRITE() now handle code segments. Patch from Greatpsycho.

Browse source
This commit is contained in:
SarahW 2017-06-20 19:32:58 +01:00
commit 8fbebead19
1 changed files with 2 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/386_common.h
View file

@ -38,14 +38,14 @@ int checkio(int port);
} }
#define CHECK_READ(seg, low, high) \ #define CHECK_READ(seg, low, high) \
if ((low < (seg)->limit_low) || (high > (seg)->limit_high)) \ if ((low < (seg)->limit_low) || (high > (seg)->limit_high) || ((msw & 1) && !(eflags & VM_FLAG) && (((seg)->access & 10) == 8))) \
{ \ { \
x86gpf("Limit check", 0); \ x86gpf("Limit check", 0); \
return 1; \ return 1; \
} }
#define CHECK_WRITE(seg, low, high) \ #define CHECK_WRITE(seg, low, high) \
if ((low < (seg)->limit_low) || (high > (seg)->limit_high) || !((seg)->access & 2)) \ if ((low < (seg)->limit_low) || (high > (seg)->limit_high) || !((seg)->access & 2) || ((msw & 1) && !(eflags & VM_FLAG) && ((seg)->access & 8))) \
{ \ { \
x86gpf("Limit check", 0); \ x86gpf("Limit check", 0); \
return 1; \ return 1; \