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Fixed dbg_linear2phy function for legacy PAE

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This commit is contained in:
Stanislav Shwartsman 2010-04-14 15:41:57 +00:00
parent df07dab80f
commit 77f8857ddb
1 changed files with 10 additions and 4 deletions
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14
bochs/cpu/paging.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: paging.cc,v 1.218 2010-04-13 17:56:50 sshwarts Exp $
// $Id: paging.cc,v 1.219 2010-04-14 15:41:57 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001-2010 The Bochs Project
@ -1384,11 +1384,17 @@ bx_bool BX_CPU_C::dbg_xlate_linear2phy(bx_address laddr, bx_phy_address *phy)
#if BX_CPU_LEVEL >= 6
if (BX_CPU_THIS_PTR cr4.get_PAE()) {
Bit64u offset_mask = BX_CONST64(0x0000ffffffffffff);
int level = 3;
if (! long_mode()) {
pt_address &= BX_CR3_LEGACY_PAE_PAGING_MASK;
offset_mask >>= 9;
if (! BX_CPU_THIS_PTR PDPTR_CACHE.valid)
goto page_fault;
pt_address = BX_CPU_THIS_PTR PDPTR_CACHE.entry[(laddr >> 30) & 3] & BX_CONST64(0x000ffffffffff000);
offset_mask >>= 18;
level = 1;
}
for (int level = 2 + long_mode(); level >= 0; --level) {
for (; level >= 0; --level) {
Bit64u pte;
pt_address += ((laddr >> (9 + 9*level)) & 0xff8);
offset_mask >>= 9;