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Fix busy TSS in TR

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This commit is contained in:
Stanislav Shwartsman 2008-04-17 14:22:23 +00:00
parent 5b900fbb5e
commit 72cefc818f
1 changed files with 4 additions and 3 deletions
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7
bochs/cpu/io_pro.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: io_pro.cc,v 1.30 2008-03-29 18:18:07 sshwarts Exp $
// $Id: io_pro.cc,v 1.31 2008-04-17 14:22:23 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
@ -113,9 +113,10 @@ bx_bool BX_CPU_C::allow_io(Bit16u addr, unsigned len)
if (BX_CPU_THIS_PTR cr0.get_PE() && (BX_CPU_THIS_PTR get_VM() || (CPL>BX_CPU_THIS_PTR get_IOPL())))
{
if (BX_CPU_THIS_PTR tr.cache.valid==0 ||
BX_CPU_THIS_PTR tr.cache.type != BX_SYS_SEGMENT_AVAIL_386_TSS)
(BX_CPU_THIS_PTR tr.cache.type != BX_SYS_SEGMENT_AVAIL_386_TSS &&
BX_CPU_THIS_PTR tr.cache.type != BX_SYS_SEGMENT_BUSY_386_TSS))
{
BX_ERROR(("allow_io(): TR doesn't point to a valid 32bit TSS"));
BX_ERROR(("allow_io(): TR doesn't point to a valid 32bit TSS, TR.TYPE=%u", BX_CPU_THIS_PTR tr.cache.type));
return(0);
}