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

more like real hardware behaves

Browse Source
This commit is contained in:
Stanislav Shwartsman 2010-03-16 21:09:11 +00:00
parent bc96e7e411
commit 6b3c785b68
1 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
bochs/cpu/vmx.cc
View File

@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: vmx.cc,v 1.41 2010-03-16 15:11:03 sshwarts Exp $
// $Id: vmx.cc,v 1.42 2010-03-16 21:09:11 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2009 Stanislav Shwartsman
@ -2235,6 +2235,16 @@ void BX_CPP_AttrRegparmN(1) BX_CPU_C::VMPTRST(bxInstruction_c *i)
#endif
}
BX_CPP_INLINE Bit32u rotate_r(Bit32u val_32)
{
return (val_32 >> 8) | (val_32 << 24);
}
BX_CPP_INLINE Bit32u rotate_l(Bit32u val_32)
{
return (val_32 << 8) | (val_32 >> 24);
}
void BX_CPP_AttrRegparmN(1) BX_CPU_C::VMREAD(bxInstruction_c *i)
{
#if BX_SUPPORT_VMX
@ -2354,7 +2364,7 @@ void BX_CPP_AttrRegparmN(1) BX_CPU_C::VMREAD(bxInstruction_c *i)
case VMCS_32BIT_GUEST_GS_ACCESS_RIGHTS:
case VMCS_32BIT_GUEST_LDTR_ACCESS_RIGHTS:
case VMCS_32BIT_GUEST_TR_ACCESS_RIGHTS:
field_64 = VMread32(encoding) >> 8;
field_64 = rotate_r(VMread32(encoding));
break;
/* VMCS 32-bit host-state fields */
@ -2658,7 +2668,7 @@ void BX_CPP_AttrRegparmN(1) BX_CPU_C::VMWRITE(bxInstruction_c *i)
case VMCS_32BIT_GUEST_GS_ACCESS_RIGHTS:
case VMCS_32BIT_GUEST_LDTR_ACCESS_RIGHTS:
case VMCS_32BIT_GUEST_TR_ACCESS_RIGHTS:
VMwrite32(encoding, val_32 << 8);
VMwrite32(encoding, rotate_l(val_32));
break;
/* VMCS 32-bit host-state fields */