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

VME is for CPU_LEVEL>=5 only

Browse Source
This commit is contained in:
Stanislav Shwartsman 2012-07-08 18:16:25 +00:00
parent 5994d0e100
commit 58dde88887
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
bochs/cpu/cpu.cc
View File

@ -505,12 +505,15 @@ void BX_CPU_C::prefetch(void)
else
#endif
{
#if BX_CPU_LEVEL >= 5
if (USER_PL && BX_CPU_THIS_PTR get_VIP() && BX_CPU_THIS_PTR get_VIF()) {
if (BX_CPU_THIS_PTR cr4.get_PVI() | (v8086_mode() && BX_CPU_THIS_PTR cr4.get_VME())) {
BX_ERROR(("prefetch: inconsistent VME state"));
exception(BX_GP_EXCEPTION, 0);
}
}
#endif
BX_CLEAR_64BIT_HIGH(BX_64BIT_REG_RIP); /* avoid 32-bit EIP wrap */
laddr = get_laddr32(BX_SEG_REG_CS, EIP);