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[/] [ao486/] [trunk/] [bochs486/] [cpu/] [bit.cc] - Rev 2
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///////////////////////////////////////////////////////////////////////// // $Id: bit.cc 11313 2012-08-05 13:52:40Z sshwarts $ ///////////////////////////////////////////////////////////////////////// // // Copyright (C) 2001-2012 The Bochs Project // // 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 ///////////////////////////////////////////////////////////////////////// #define NEED_CPU_REG_SHORTCUTS 1 #include "bochs.h" #include "cpu.h" #define LOG_THIS BX_CPU_THIS_PTR #if BX_CPU_LEVEL >= 3 BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETO_EbM(bxInstruction_c *i) { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit8u result_8 = getB_OF(); write_virtual_byte(i->seg(), eaddr, result_8); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETO_EbR(bxInstruction_c *i) { BX_WRITE_8BIT_REGx(i->dst(), i->extend8bitL(), getB_OF()); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNO_EbM(bxInstruction_c *i) { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit8u result_8 = !getB_OF(); write_virtual_byte(i->seg(), eaddr, result_8); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNO_EbR(bxInstruction_c *i) { BX_WRITE_8BIT_REGx(i->dst(), i->extend8bitL(), !getB_OF()); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETB_EbM(bxInstruction_c *i) { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit8u result_8 = getB_CF(); write_virtual_byte(i->seg(), eaddr, result_8); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETB_EbR(bxInstruction_c *i) { BX_WRITE_8BIT_REGx(i->dst(), i->extend8bitL(), getB_CF()); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNB_EbM(bxInstruction_c *i) { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit8u result_8 = !getB_CF(); write_virtual_byte(i->seg(), eaddr, result_8); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNB_EbR(bxInstruction_c *i) { BX_WRITE_8BIT_REGx(i->dst(), i->extend8bitL(), !getB_CF()); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETZ_EbM(bxInstruction_c *i) { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit8u result_8 = getB_ZF(); write_virtual_byte(i->seg(), eaddr, result_8); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETZ_EbR(bxInstruction_c *i) { BX_WRITE_8BIT_REGx(i->dst(), i->extend8bitL(), getB_ZF()); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNZ_EbM(bxInstruction_c *i) { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit8u result_8 = !getB_ZF(); write_virtual_byte(i->seg(), eaddr, result_8); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNZ_EbR(bxInstruction_c *i) { BX_WRITE_8BIT_REGx(i->dst(), i->extend8bitL(), !getB_ZF()); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETBE_EbM(bxInstruction_c *i) { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit8u result_8 = (getB_CF() | getB_ZF()); write_virtual_byte(i->seg(), eaddr, result_8); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETBE_EbR(bxInstruction_c *i) { BX_WRITE_8BIT_REGx(i->dst(), i->extend8bitL(), (getB_CF() | getB_ZF())); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNBE_EbM(bxInstruction_c *i) { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit8u result_8 = !(getB_CF() | getB_ZF()); write_virtual_byte(i->seg(), eaddr, result_8); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNBE_EbR(bxInstruction_c *i) { BX_WRITE_8BIT_REGx(i->dst(), i->extend8bitL(), !(getB_CF() | getB_ZF())); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETS_EbM(bxInstruction_c *i) { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit8u result_8 = getB_SF(); write_virtual_byte(i->seg(), eaddr, result_8); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETS_EbR(bxInstruction_c *i) { BX_WRITE_8BIT_REGx(i->dst(), i->extend8bitL(), getB_SF()); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNS_EbM(bxInstruction_c *i) { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit8u result_8 = !getB_SF(); write_virtual_byte(i->seg(), eaddr, result_8); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNS_EbR(bxInstruction_c *i) { BX_WRITE_8BIT_REGx(i->dst(), i->extend8bitL(), !getB_SF()); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETP_EbM(bxInstruction_c *i) { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit8u result_8 = getB_PF(); write_virtual_byte(i->seg(), eaddr, result_8); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETP_EbR(bxInstruction_c *i) { BX_WRITE_8BIT_REGx(i->dst(), i->extend8bitL(), getB_PF()); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNP_EbM(bxInstruction_c *i) { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit8u result_8 = !getB_PF(); write_virtual_byte(i->seg(), eaddr, result_8); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNP_EbR(bxInstruction_c *i) { BX_WRITE_8BIT_REGx(i->dst(), i->extend8bitL(), !getB_PF()); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETL_EbM(bxInstruction_c *i) { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit8u result_8 = (getB_SF() ^ getB_OF()); write_virtual_byte(i->seg(), eaddr, result_8); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETL_EbR(bxInstruction_c *i) { BX_WRITE_8BIT_REGx(i->dst(), i->extend8bitL(), (getB_SF() ^ getB_OF())); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNL_EbM(bxInstruction_c *i) { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit8u result_8 = !(getB_SF() ^ getB_OF()); write_virtual_byte(i->seg(), eaddr, result_8); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNL_EbR(bxInstruction_c *i) { BX_WRITE_8BIT_REGx(i->dst(), i->extend8bitL(), !(getB_SF() ^ getB_OF())); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETLE_EbM(bxInstruction_c *i) { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit8u result_8 = getB_ZF() | (getB_SF() ^ getB_OF()); write_virtual_byte(i->seg(), eaddr, result_8); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETLE_EbR(bxInstruction_c *i) { Bit8u result_8 = getB_ZF() | (getB_SF() ^ getB_OF()); BX_WRITE_8BIT_REGx(i->dst(), i->extend8bitL(), result_8); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNLE_EbM(bxInstruction_c *i) { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit8u result_8 = !(getB_ZF() | (getB_SF() ^ getB_OF())); write_virtual_byte(i->seg(), eaddr, result_8); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::SETNLE_EbR(bxInstruction_c *i) { Bit8u result_8 = !(getB_ZF() | (getB_SF() ^ getB_OF())); BX_WRITE_8BIT_REGx(i->dst(), i->extend8bitL(), result_8); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::BSWAP_RX(bxInstruction_c *i) { BX_ERROR(("BSWAP with 16-bit opsize: undefined behavior !")); BX_WRITE_16BIT_REG(i->dst(), 0); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::BSWAP_ERX(bxInstruction_c *i) { Bit32u val32 = BX_READ_32BIT_REG(i->dst()); BX_WRITE_32BIT_REGZ(i->dst(), bx_bswap32(val32)); BX_NEXT_INSTR(i); } #if BX_SUPPORT_X86_64 BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::BSWAP_RRX(bxInstruction_c *i) { Bit64u val64 = BX_READ_64BIT_REG(i->dst()); BX_WRITE_64BIT_REG(i->dst(), bx_bswap64(val64)); BX_NEXT_INSTR(i); } #endif #if BX_CPU_LEVEL >= 6 BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVBE_GwMw(bxInstruction_c *i) { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit16u val16 = read_virtual_word(i->seg(), eaddr); BX_WRITE_16BIT_REG(i->dst(), bx_bswap16(val16)); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVBE_MwGw(bxInstruction_c *i) { Bit16u val16 = BX_READ_16BIT_REG(i->src()); bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); write_virtual_word(i->seg(), eaddr, bx_bswap16(val16)); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVBE_GdMd(bxInstruction_c *i) { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit32u val32 = read_virtual_dword(i->seg(), eaddr); BX_WRITE_32BIT_REGZ(i->dst(), bx_bswap32(val32)); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVBE_MdGd(bxInstruction_c *i) { Bit32u val32 = BX_READ_32BIT_REG(i->src()); bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); write_virtual_dword(i->seg(), eaddr, bx_bswap32(val32)); BX_NEXT_INSTR(i); } #if BX_SUPPORT_X86_64 BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVBE_GqMq(bxInstruction_c *i) { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit64u val64 = read_virtual_qword(i->seg(), eaddr); BX_WRITE_64BIT_REG(i->dst(), bx_bswap64(val64)); BX_NEXT_INSTR(i); } BX_INSF_TYPE BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVBE_MqGq(bxInstruction_c *i) { Bit64u val64 = BX_READ_64BIT_REG(i->src()); bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); write_virtual_qword_64(i->seg(), eaddr, bx_bswap64(val64)); BX_NEXT_INSTR(i); } #endif // BX_SUPPORT_X86_64 #endif // BX_CPU_LEVEL >= 6 #endif // BX_CPU_LEVEL >= 3