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Bugfix for big real mode

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This commit is contained in:
Stanislav Shwartsman 2008-08-15 14:31:31 +00:00
parent 5eb845763e
commit 65f3344496
1 changed files with 2 additions and 2 deletions
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4
bochs/cpu/segment_ctrl_pro.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: segment_ctrl_pro.cc,v 1.96 2008-08-03 19:53:09 sshwarts Exp $
// $Id: segment_ctrl_pro.cc,v 1.97 2008-08-15 14:31:31 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
@ -207,7 +207,6 @@ BX_CPU_C::load_seg_reg(bx_segment_reg_t *seg, Bit16u new_value)
seg->cache.u.segment.base = new_value << 4;
seg->cache.segment = 1; /* regular segment */
seg->cache.p = 1; /* present */
seg->cache.type = BX_DATA_READ_WRITE_ACCESSED;
if (seg == &BX_CPU_THIS_PTR sregs[BX_SEG_REG_CS]) {
invalidate_prefetch_q();
@ -221,6 +220,7 @@ BX_CPU_C::load_seg_reg(bx_segment_reg_t *seg, Bit16u new_value)
/* Support for big real mode */
if (real_mode()) return;
seg->cache.type = BX_DATA_READ_WRITE_ACCESSED;
seg->cache.dpl = 3; /* we are in v8086 mode */
seg->cache.u.segment.limit = 0xffff;
seg->cache.u.segment.limit_scaled = 0xffff;