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Added additional comment to code in paging.cc

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This commit is contained in:
Stanislav Shwartsman 2005-01-19 20:48:51 +00:00
parent acd1d8f14f
commit 2212b963ed
1 changed files with 4 additions and 3 deletions
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bochs/cpu/paging.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: paging.cc,v 1.52 2004-12-16 22:21:35 sshwarts Exp $
// $Id: paging.cc,v 1.53 2005-01-19 20:48:51 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
@ -951,10 +951,11 @@ BX_CPU_C::translate_linear(bx_address laddr, unsigned pl, unsigned rw, unsigned
return(paddress);
// error checking order - page not present, reserved bits, protection
#define ERROR_NOT_PRESENT 0x00
#define ERROR_PROTECTION 0x01
#define ERROR_RESERVED 0x08
#define ERROR_ID 0x10
#define ERROR_CODE_ACCESS 0x10
/* keep compiler happy until it actually used
page_fault_reserved:
@ -968,7 +969,7 @@ page_fault_not_present:
error_code |= (pl << 2) | (isWrite << 1);
#if BX_SUPPORT_X86_64
if (BX_CPU_THIS_PTR msr.nxe && (access_type == CODE_ACCESS))
error_code |= ERROR_ID; // I/D = 1
error_code |= ERROR_CODE_ACCESS; // I/D = 1
#endif
BX_CPU_THIS_PTR cr2 = laddr;
// Invalidate TLB entry.