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[/] [ao486/] [trunk/] [bochs486/] [cpu/] [stack.h] - Rev 4
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///////////////////////////////////////////////////////////////////////// // $Id: stack.h 11106 2012-03-25 11:54:32Z sshwarts $ ///////////////////////////////////////////////////////////////////////// // // Copyright (c) 2007-2012 Stanislav Shwartsman // Written by Stanislav Shwartsman [sshwarts at sourceforge net] // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public // License as published by the Free Software Foundation; either // version 2 of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA B 02110-1301 USA // ///////////////////////////////////////////////////////////////////////// #ifndef BX_PUSHPOP_H #define BX_PUSHPOP_H BX_CPP_INLINE void BX_CPP_AttrRegparmN(1) BX_CPU_C::push_16(Bit16u value16) { #if BX_SUPPORT_X86_64 if (long64_mode()) { /* StackAddrSize = 64 */ stack_write_word(RSP-2, value16); RSP -= 2; } else #endif if (BX_CPU_THIS_PTR sregs[BX_SEG_REG_SS].cache.u.segment.d_b) { /* StackAddrSize = 32 */ stack_write_word((Bit32u) (ESP-2), value16); ESP -= 2; } else /* StackAddrSize = 16 */ { stack_write_word((Bit16u) (SP-2), value16); SP -= 2; } } BX_CPP_INLINE void BX_CPP_AttrRegparmN(1) BX_CPU_C::push_32(Bit32u value32) { #if BX_SUPPORT_X86_64 if (long64_mode()) { /* StackAddrSize = 64 */ stack_write_dword(RSP-4, value32); RSP -= 4; } else #endif if (BX_CPU_THIS_PTR sregs[BX_SEG_REG_SS].cache.u.segment.d_b) { /* StackAddrSize = 32 */ stack_write_dword((Bit32u) (ESP-4), value32); ESP -= 4; } else /* StackAddrSize = 16 */ { stack_write_dword((Bit16u) (SP-4), value32); SP -= 4; } } /* push 64 bit operand */ #if BX_SUPPORT_X86_64 BX_CPP_INLINE void BX_CPP_AttrRegparmN(1) BX_CPU_C::push_64(Bit64u value64) { /* StackAddrSize = 64 */ stack_write_qword(RSP-8, value64); RSP -= 8; } #endif /* pop 16 bit operand from the stack */ BX_CPP_INLINE Bit16u BX_CPU_C::pop_16(void) { Bit16u value16; #if BX_SUPPORT_X86_64 if (long64_mode()) { /* StackAddrSize = 64 */ value16 = stack_read_word(RSP); RSP += 2; } else #endif if (BX_CPU_THIS_PTR sregs[BX_SEG_REG_SS].cache.u.segment.d_b) { /* StackAddrSize = 32 */ value16 = stack_read_word(ESP); ESP += 2; } else { /* StackAddrSize = 16 */ value16 = stack_read_word(SP); SP += 2; } return value16; } /* pop 32 bit operand from the stack */ BX_CPP_INLINE Bit32u BX_CPU_C::pop_32(void) { Bit32u value32; #if BX_SUPPORT_X86_64 if (long64_mode()) { /* StackAddrSize = 64 */ value32 = stack_read_dword(RSP); RSP += 4; } else #endif if (BX_CPU_THIS_PTR sregs[BX_SEG_REG_SS].cache.u.segment.d_b) { /* StackAddrSize = 32 */ value32 = stack_read_dword(ESP); ESP += 4; } else { /* StackAddrSize = 16 */ value32 = stack_read_dword(SP); SP += 4; } return value32; } /* pop 64 bit operand from the stack */ #if BX_SUPPORT_X86_64 BX_CPP_INLINE Bit64u BX_CPU_C::pop_64(void) { /* StackAddrSize = 64 */ Bit64u value64 = stack_read_qword(RSP); RSP += 8; return value64; } #endif // BX_SUPPORT_X86_64 #endif
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