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fixed PDE4M reserved bits checking if physical address wider than 40 bit

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Stanislav Shwartsman 2018-11-22 11:51:33 +00:00
parent eff201773f
commit 7a183ab520
1 changed files with 4 additions and 0 deletions
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4
bochs/cpu/paging.cc
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@ -1042,7 +1042,11 @@ bx_phy_address BX_CPU_C::translate_linear_PAE(bx_address laddr, Bit32u &lpf_mask
// 31-22 | Bits 31-22 of physical address of the 4-MByte page
// -----------------------------------------------------------
#if BX_PHY_ADDRESS_WIDTH > 40
const Bit32u PAGING_PDE4M_RESERVED_BITS = 0; // there are no reserved bits in PDE4M when physical address is wider than 40 bit
#else
const Bit32u PAGING_PDE4M_RESERVED_BITS = ((1 << (41-BX_PHY_ADDRESS_WIDTH))-1) << (13 + BX_PHY_ADDRESS_WIDTH - 32);
#endif
// Translate a linear address to a physical address in legacy paging mode
bx_phy_address BX_CPU_C::translate_linear_legacy(bx_address laddr, Bit32u &lpf_mask, unsigned user, unsigned rw)