///////////////////////////////////////////////////////////////////////// // $Id: sse_move.cc,v 1.128 2010-12-30 21:45:39 sshwarts Exp $ ///////////////////////////////////////////////////////////////////////// // // Copyright (c) 2003-2010 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 // ///////////////////////////////////////////////////////////////////////// #define NEED_CPU_REG_SHORTCUTS 1 #include "bochs.h" #include "cpu.h" #define LOG_THIS BX_CPU_THIS_PTR // Make code more tidy with a few macros. #if BX_SUPPORT_X86_64==0 #define RDI EDI #endif #if BX_CPU_LEVEL >= 6 void BX_CPU_C::print_state_SSE(void) { BX_DEBUG(("MXCSR: 0x%08x\n", BX_MXCSR_REGISTER)); for(unsigned n=0;n= 0; index--, twd <<= 2, tag_byte <<= 1) { if(tag_byte & 0x80) { const floatx80 &fpu_reg = BX_FPU_REG(index); twd |= FPU_tagof(fpu_reg); } else { twd |= FPU_Tag_Empty; } } return (twd >> 2); } #endif /* ************************************ */ /* SSE: SAVE/RESTORE FPU/MMX/SSEx STATE */ /* ************************************ */ /* 0F AE Grp15 010 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::LDMXCSR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); Bit32u new_mxcsr = read_virtual_dword(i->seg(), eaddr); if(new_mxcsr & ~MXCSR_MASK) exception(BX_GP_EXCEPTION, 0); BX_MXCSR_REGISTER = new_mxcsr; #endif } /* 0F AE Grp15 011 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::STMXCSR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 Bit32u mxcsr = BX_MXCSR_REGISTER & MXCSR_MASK; bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); write_virtual_dword(i->seg(), eaddr, mxcsr); #endif } /* 0F AE Grp15 000 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::FXSAVE(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 unsigned index; BxPackedXmmRegister xmm; BX_DEBUG(("FXSAVE: save FPU/MMX/SSE state")); if(BX_CPU_THIS_PTR cr0.get_EM()) exception(BX_UD_EXCEPTION, 0); if(BX_CPU_THIS_PTR cr0.get_TS()) exception(BX_NM_EXCEPTION, 0); xmm.xmm16u(0) = BX_CPU_THIS_PTR the_i387.get_control_word(); xmm.xmm16u(1) = BX_CPU_THIS_PTR the_i387.get_status_word(); xmm.xmm16u(2) = pack_FPU_TW(BX_CPU_THIS_PTR the_i387.get_tag_word()); /* x87 FPU Opcode (16 bits) */ /* The lower 11 bits contain the FPU opcode, upper 5 bits are reserved */ xmm.xmm16u(3) = BX_CPU_THIS_PTR the_i387.foo; /* * x87 FPU IP Offset (32/64 bits) * The contents of this field differ depending on the current * addressing mode (16/32/64 bit) when the FXSAVE instruction was executed: * + 64-bit mode - 64-bit IP offset * + 32-bit mode - 32-bit IP offset * + 16-bit mode - low 16 bits are IP offset; high 16 bits are reserved. * x87 CS FPU IP Selector * + 16 bit, in 16/32 bit mode only */ #if BX_SUPPORT_X86_64 if (i->os64L()) /* 64 bit operand size mode */ { xmm.xmm64u(1) = (BX_CPU_THIS_PTR the_i387.fip); } else #endif { xmm.xmm32u(2) = (Bit32u)(BX_CPU_THIS_PTR the_i387.fip); xmm.xmm32u(3) = (BX_CPU_THIS_PTR the_i387.fcs); } bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); write_virtual_dqword_aligned(i->seg(), eaddr, (Bit8u *) &xmm); bx_address asize_mask = i->asize_mask(); /* * x87 FPU Instruction Operand (Data) Pointer Offset (32/64 bits) * The contents of this field differ depending on the current * addressing mode (16/32 bit) when the FXSAVE instruction was executed: * + 64-bit mode - 64-bit offset * + 32-bit mode - 32-bit offset * + 16-bit mode - low 16 bits are offset; high 16 bits are reserved. * x87 DS FPU Instruction Operand (Data) Pointer Selector * + 16 bit, in 16/32 bit mode only */ #if BX_SUPPORT_X86_64 if (i->os64L()) /* 64 bit operand size mode */ { xmm.xmm64u(0) = (BX_CPU_THIS_PTR the_i387.fdp); } else #endif { xmm.xmm32u(0) = (Bit32u)(BX_CPU_THIS_PTR the_i387.fdp); xmm.xmm32u(1) = (BX_CPU_THIS_PTR the_i387.fds); } if (bx_cpuid_support_sse()) { xmm.xmm32u(2) = BX_MXCSR_REGISTER; xmm.xmm32u(3) = MXCSR_MASK; } else { xmm.xmm32u(2) = 0; xmm.xmm32u(3) = 0; } write_virtual_dqword(i->seg(), (eaddr + 16) & asize_mask, (Bit8u *) &xmm); /* store i387 register file */ for(index=0; index < 8; index++) { const floatx80 &fp = BX_READ_FPU_REG(index); xmm.xmm64u(0) = fp.fraction; xmm.xmm64u(1) = 0; xmm.xmm16u(4) = fp.exp; write_virtual_dqword(i->seg(), (eaddr+index*16+32) & asize_mask, (Bit8u *) &xmm); } #if BX_SUPPORT_X86_64 if (BX_CPU_THIS_PTR efer.get_FFXSR() && CPL == 0 && long64_mode()) return; // skip saving of the XMM state #endif if (bx_cpuid_support_sse()) { /* store XMM register file */ for(index=0; index < BX_XMM_REGISTERS; index++) { // save XMM8-XMM15 only in 64-bit mode if (index < 8 || long64_mode()) { write_virtual_dqword(i->seg(), (eaddr+index*16+160) & asize_mask, (Bit8u *)(&BX_READ_XMM_REG(index))); } } } /* do not touch reserved fields */ #endif } /* 0F AE Grp15 001 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::FXRSTOR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister xmm; unsigned index; BX_DEBUG(("FXRSTOR: restore FPU/MMX/SSE state")); if(BX_CPU_THIS_PTR cr0.get_EM()) exception(BX_UD_EXCEPTION, 0); if(BX_CPU_THIS_PTR cr0.get_TS()) exception(BX_NM_EXCEPTION, 0); bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); read_virtual_dqword_aligned(i->seg(), eaddr, (Bit8u *) &xmm); bx_address asize_mask = i->asize_mask(); BX_CPU_THIS_PTR the_i387.cwd = xmm.xmm16u(0); BX_CPU_THIS_PTR the_i387.swd = xmm.xmm16u(1); BX_CPU_THIS_PTR the_i387.tos = (xmm.xmm16u(1) >> 11) & 0x07; /* Restore x87 FPU Opcode */ /* The lower 11 bits contain the FPU opcode, upper 5 bits are reserved */ BX_CPU_THIS_PTR the_i387.foo = xmm.xmm16u(3) & 0x7FF; /* Restore x87 FPU IP */ #if BX_SUPPORT_X86_64 if (i->os64L()) { BX_CPU_THIS_PTR the_i387.fip = xmm.xmm64u(1); BX_CPU_THIS_PTR the_i387.fcs = 0; } else #endif { BX_CPU_THIS_PTR the_i387.fip = xmm.xmm32u(2); BX_CPU_THIS_PTR the_i387.fcs = xmm.xmm16u(6); } Bit32u tag_byte = xmm.xmmubyte(4); /* Restore x87 FPU DP */ read_virtual_dqword(i->seg(), (eaddr + 16) & asize_mask, (Bit8u *) &xmm); #if BX_SUPPORT_X86_64 if (i->os64L()) { BX_CPU_THIS_PTR the_i387.fdp = xmm.xmm64u(0); BX_CPU_THIS_PTR the_i387.fds = 0; } else #endif { BX_CPU_THIS_PTR the_i387.fdp = xmm.xmm32u(0); BX_CPU_THIS_PTR the_i387.fds = xmm.xmm16u(2); } if(/* BX_CPU_THIS_PTR cr4.get_OSFXSR() && */ bx_cpuid_support_sse()) { Bit32u new_mxcsr = xmm.xmm32u(2); if(new_mxcsr & ~MXCSR_MASK) exception(BX_GP_EXCEPTION, 0); BX_MXCSR_REGISTER = new_mxcsr; } /* load i387 register file */ for(index=0; index < 8; index++) { floatx80 reg; reg.fraction = read_virtual_qword(i->seg(), (eaddr+index*16+32) & asize_mask); reg.exp = read_virtual_word (i->seg(), (eaddr+index*16+40) & asize_mask); // update tag only if it is not empty BX_WRITE_FPU_REGISTER_AND_TAG(reg, IS_TAG_EMPTY(index) ? FPU_Tag_Empty : FPU_tagof(reg), index); } BX_CPU_THIS_PTR the_i387.twd = unpack_FPU_TW(tag_byte); /* check for unmasked exceptions */ if (FPU_PARTIAL_STATUS & ~FPU_CONTROL_WORD & FPU_CW_Exceptions_Mask) { /* set the B and ES bits in the status-word */ FPU_PARTIAL_STATUS |= FPU_SW_Summary | FPU_SW_Backward; } else { /* clear the B and ES bits in the status-word */ FPU_PARTIAL_STATUS &= ~(FPU_SW_Summary | FPU_SW_Backward); } #if BX_SUPPORT_X86_64 if (BX_CPU_THIS_PTR efer.get_FFXSR() && CPL == 0 && long64_mode()) return; // skip restore of the XMM state #endif /* If the OSFXSR bit in CR4 is not set, the FXRSTOR instruction does not restore the states of the XMM and MXCSR registers. */ if(BX_CPU_THIS_PTR cr4.get_OSFXSR() && bx_cpuid_support_sse()) { /* load XMM register file */ for(index=0; index < BX_XMM_REGISTERS; index++) { // restore XMM8-XMM15 only in 64-bit mode if (index < 8 || long64_mode()) { read_virtual_dqword(i->seg(), (eaddr+index*16+160) & asize_mask, (Bit8u *)(&BX_READ_XMM_REG(index))); } } } #endif } /* *************************** */ /* SSE: MEMORY MOVE OPERATIONS */ /* *************************** */ /* All these opcodes never generate SIMD floating point exeptions */ /* MOVUPS: 0F 10 */ /* MOVUPD: 66 0F 10 */ /* MOVDQU: F3 0F 6F */ /* LDDQU: F2 0F F0 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVUPS_VpsWpsM(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister op; bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); read_virtual_dqword(i->seg(), eaddr, (Bit8u *) &op); /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), op); #endif } void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVUPS_WpsVpsM(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); write_virtual_dqword(i->seg(), eaddr, &BX_XMM_REG(i->nnn())); #endif } /* MOVAPS: 0F 28 */ /* MOVAPD: 66 0F 28 */ /* MOVDQA: F3 0F 6F */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVAPS_VpsWpsR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BX_WRITE_XMM_REG(i->nnn(), BX_READ_XMM_REG(i->rm())); #endif } void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVAPS_VpsWpsM(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister op; bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); read_virtual_dqword_aligned(i->seg(), eaddr, (Bit8u *) &op); /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), op); #endif } /* MOVAPS: 0F 29 */ /* MOVAPD: 66 0F 29 */ /* MOVDQA: F3 0F 7F */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVAPS_WpsVpsR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BX_WRITE_XMM_REG(i->rm(), BX_READ_XMM_REG(i->nnn())); #endif } /* MOVAPS: 0F 29 */ /* MOVNTPS: 0F 2B */ /* MOVNTPD: 66 0F 2B */ /* MOVNTDQ: 66 0F E7 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVAPS_WpsVpsM(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); write_virtual_dqword_aligned(i->seg(), eaddr, &BX_XMM_REG(i->nnn())); #endif } /* F3 0F 10 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVSS_VssWssR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 /* If the source operand is an XMM register, the high-order 96 bits of the destination XMM register are not modified. */ BX_WRITE_XMM_REG_LO_DWORD(i->nnn(), BX_READ_XMM_REG_LO_DWORD(i->rm())); #endif } void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVSS_VssWssM(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister op; bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); /* If the source operand is a memory location, the high-order 96 bits of the destination XMM register are cleared to 0s */ op.xmm64u(0) = (Bit64u) read_virtual_dword(i->seg(), eaddr); op.xmm64u(1) = 0; /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), op); #endif } /* F3 0F 11 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVSS_WssVssM(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); write_virtual_dword(i->seg(), eaddr, BX_READ_XMM_REG_LO_DWORD(i->nnn())); #endif } /* F2 0F 10 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVSD_VsdWsdR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 /* If the source operand is an XMM register, the high-order 64 bits of the destination XMM register are not modified. */ BX_WRITE_XMM_REG_LO_QWORD(i->nnn(), BX_READ_XMM_REG_LO_QWORD(i->rm())); #endif } /* MOVHLPS: 0F 12 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVHLPS_VpsWpsR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BX_WRITE_XMM_REG_LO_QWORD(i->nnn(), BX_READ_XMM_REG_HI_QWORD(i->rm())); #endif } /* MOVLPS: 0F 12 */ /* MOVLPD: 66 0F 12 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVLPS_VpsMq(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); /* pointer, segment address pair */ Bit64u val64 = read_virtual_qword(i->seg(), eaddr); /* now write result back to destination */ BX_WRITE_XMM_REG_LO_QWORD(i->nnn(), val64); #endif } /* F2 0F 12 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVDDUP_VpdWqR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister op; Bit64u val64 = BX_READ_XMM_REG_LO_QWORD(i->rm()); op.xmm64u(0) = val64; op.xmm64u(1) = val64; /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), op); #endif } /* F3 0F 12 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVSLDUP_VpsWpsR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister op, result; op = BX_READ_XMM_REG(i->rm()); result.xmm32u(0) = op.xmm32u(0); result.xmm32u(1) = op.xmm32u(0); result.xmm32u(2) = op.xmm32u(2); result.xmm32u(3) = op.xmm32u(2); /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), result); #endif } /* F3 0F 16 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVSHDUP_VpsWpsR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister op, result; op = BX_READ_XMM_REG(i->rm()); result.xmm32u(0) = op.xmm32u(1); result.xmm32u(1) = op.xmm32u(1); result.xmm32u(2) = op.xmm32u(3); result.xmm32u(3) = op.xmm32u(3); /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), result); #endif } /* MOVLPS: 0F 13 */ /* MOVLPD: 66 0F 13 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVLPS_MqVps(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); write_virtual_qword(i->seg(), eaddr, BX_XMM_REG_LO_QWORD(i->nnn())); #endif } /* MOVLHPS: 0F 16 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVLHPS_VpsWpsR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BX_WRITE_XMM_REG_HI_QWORD(i->nnn(), BX_READ_XMM_REG_LO_QWORD(i->rm())); #endif } /* MOVHPS: 0F 16 */ /* MOVHPD: 66 0F 16 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVHPS_VpsMq(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); /* pointer, segment address pair */ Bit64u val64 = read_virtual_qword(i->seg(), eaddr); /* now write result back to destination */ BX_WRITE_XMM_REG_HI_QWORD(i->nnn(), val64); #endif } /* MOVHPS: 0F 17 */ /* MOVHPD: 66 0F 17 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVHPS_MqVps(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); write_virtual_qword(i->seg(), eaddr, BX_XMM_REG_HI_QWORD(i->nnn())); #endif } /* 66 0F F7 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MASKMOVDQU_VdqUdq(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 bx_address rdi = RDI & i->asize_mask(); BxPackedXmmRegister op = BX_READ_XMM_REG(i->nnn()), mask = BX_READ_XMM_REG(i->rm()), temp; /* implement as read-modify-write for efficiency */ read_virtual_dqword(i->seg(), rdi, (Bit8u *) &temp); /* no data will be written to memory if mask is all 0s */ if ((mask.xmm64u(0) | mask.xmm64u(1)) == 0) return; for(unsigned j=0; j<16; j++) { if(mask.xmmubyte(j) & 0x80) temp.xmmubyte(j) = op.xmmubyte(j); } /* and write result back to the memory */ write_virtual_dqword(i->seg(), rdi, (Bit8u *) &temp); #endif } /* 0F 50 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVMSKPS_GdVRps(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister op = BX_READ_XMM_REG(i->rm()); Bit32u val32 = 0; if(op.xmm32u(0) & 0x80000000) val32 |= 0x1; if(op.xmm32u(1) & 0x80000000) val32 |= 0x2; if(op.xmm32u(2) & 0x80000000) val32 |= 0x4; if(op.xmm32u(3) & 0x80000000) val32 |= 0x8; BX_WRITE_32BIT_REGZ(i->nnn(), val32); #endif } /* 66 0F 50 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVMSKPD_GdVRpd(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister op = BX_READ_XMM_REG(i->rm()); Bit32u val32 = 0; if(op.xmm32u(1) & 0x80000000) val32 |= 0x1; if(op.xmm32u(3) & 0x80000000) val32 |= 0x2; BX_WRITE_32BIT_REGZ(i->nnn(), val32); #endif } /* 66 0F 6E */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVD_VdqEdR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister op; op.xmm64u(0) = (Bit64u) BX_READ_32BIT_REG(i->rm()); op.xmm64u(1) = 0; BX_WRITE_XMM_REG(i->nnn(), op); #endif } #if BX_SUPPORT_X86_64 /* 66 0F 6E */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVQ_VdqEqR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister op; op.xmm64u(0) = BX_READ_64BIT_REG(i->rm()); op.xmm64u(1) = 0; BX_WRITE_XMM_REG(i->nnn(), op); #endif } #endif /* 66 0F 7E */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVD_EdVdR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BX_WRITE_32BIT_REGZ(i->rm(), BX_READ_XMM_REG_LO_DWORD(i->nnn())); #endif } #if BX_SUPPORT_X86_64 /* 66 0F 7E */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVQ_EqVqR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BX_WRITE_64BIT_REG(i->rm(), BX_READ_XMM_REG_LO_QWORD(i->nnn())); #endif } #endif /* F3 0F 7E */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVQ_VqWqR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister op; op.xmm64u(0) = BX_READ_XMM_REG_LO_QWORD(i->rm()); op.xmm64u(1) = 0; /* zero-extension to 128 bit */ BX_WRITE_XMM_REG(i->nnn(), op); #endif } void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVQ_VqWqM(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister op; bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); op.xmm64u(0) = read_virtual_qword(i->seg(), eaddr); op.xmm64u(1) = 0; /* zero-extension to 128 bit */ /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), op); #endif } /* 66 0F D6 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVQ_WqVqR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister op; op.xmm64u(0) = BX_READ_XMM_REG_LO_QWORD(i->nnn()); op.xmm64u(1) = 0; /* zero-extension to 128 bit */ BX_WRITE_XMM_REG(i->rm(), op); #endif } void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVQ_WqVqM(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); write_virtual_qword(i->seg(), eaddr, BX_READ_XMM_REG_LO_QWORD(i->nnn())); #endif } /* F2 0F D6 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVDQ2Q_PqVRq(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BX_CPU_THIS_PTR FPU_check_pending_exceptions(); /* check floating point status word for a pending FPU exceptions */ BX_CPU_THIS_PTR prepareFPU2MMX(); BxPackedMmxRegister mm; MMXUQ(mm) = BX_READ_XMM_REG_LO_QWORD(i->rm()); BX_WRITE_MMX_REG(i->nnn(), mm); #endif } /* F3 0F D6 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVQ2DQ_VdqQq(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BX_CPU_THIS_PTR FPU_check_pending_exceptions(); /* check floating point status word for a pending FPU exceptions */ BX_CPU_THIS_PTR prepareFPU2MMX(); BxPackedXmmRegister op; BxPackedMmxRegister mm = BX_READ_MMX_REG(i->rm()); op.xmm64u(0) = MMXUQ(mm); op.xmm64u(1) = 0; BX_WRITE_XMM_REG(i->nnn(), op); #endif } /* 66 0F D7 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::PMOVMSKB_GdUdq(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister op = BX_READ_XMM_REG(i->rm()); Bit32u result = 0; if(op.xmmubyte(0x0) & 0x80) result |= 0x0001; if(op.xmmubyte(0x1) & 0x80) result |= 0x0002; if(op.xmmubyte(0x2) & 0x80) result |= 0x0004; if(op.xmmubyte(0x3) & 0x80) result |= 0x0008; if(op.xmmubyte(0x4) & 0x80) result |= 0x0010; if(op.xmmubyte(0x5) & 0x80) result |= 0x0020; if(op.xmmubyte(0x6) & 0x80) result |= 0x0040; if(op.xmmubyte(0x7) & 0x80) result |= 0x0080; if(op.xmmubyte(0x8) & 0x80) result |= 0x0100; if(op.xmmubyte(0x9) & 0x80) result |= 0x0200; if(op.xmmubyte(0xA) & 0x80) result |= 0x0400; if(op.xmmubyte(0xB) & 0x80) result |= 0x0800; if(op.xmmubyte(0xC) & 0x80) result |= 0x1000; if(op.xmmubyte(0xD) & 0x80) result |= 0x2000; if(op.xmmubyte(0xE) & 0x80) result |= 0x4000; if(op.xmmubyte(0xF) & 0x80) result |= 0x8000; /* now write result back to destination */ BX_WRITE_32BIT_REGZ(i->nnn(), result); #endif } /* **************************** */ /* SSE: STORE DATA NON-TEMPORAL */ /* **************************** */ /* 0F C3 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVNTI_MdGd(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); write_virtual_dword(i->seg(), eaddr, BX_READ_32BIT_REG(i->nnn())); #endif } #if BX_SUPPORT_X86_64 /* 0F C3 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::MOVNTI_MqGq(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); write_virtual_qword_64(i->seg(), eaddr, BX_READ_64BIT_REG(i->nnn())); #endif } #endif /* ************************** */ /* 3-BYTE-OPCODE INSTRUCTIONS */ /* ************************** */ /* 66 0F 38 20 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::PMOVSXBW_VdqWqR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister result; Bit64u val64 = BX_READ_XMM_REG_LO_QWORD(i->rm()); result.xmm16u(0) = (Bit8s) (val64 & 0xFF); result.xmm16u(1) = (Bit8s) ((val64 >> 8) & 0xFF); result.xmm16u(2) = (Bit8s) ((val64 >> 16) & 0xFF); result.xmm16u(3) = (Bit8s) ((val64 >> 24) & 0xFF); result.xmm16u(4) = (Bit8s) ((val64 >> 32) & 0xFF); result.xmm16u(5) = (Bit8s) ((val64 >> 40) & 0xFF); result.xmm16u(6) = (Bit8s) ((val64 >> 48) & 0xFF); result.xmm16u(7) = (Bit8s) (val64 >> 56); /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), result); #endif } /* 66 0F 38 21 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::PMOVSXBD_VdqWdR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister result; Bit32u val32 = BX_READ_XMM_REG_LO_DWORD(i->rm()); result.xmm32u(0) = (Bit8s) (val32 & 0xFF); result.xmm32u(1) = (Bit8s) ((val32 >> 8) & 0xFF); result.xmm32u(2) = (Bit8s) ((val32 >> 16) & 0xFF); result.xmm32u(3) = (Bit8s) (val32 >> 24); /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), result); #endif } /* 66 0F 38 22 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::PMOVSXBQ_VdqWwR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister result; Bit16u val16 = BX_READ_XMM_REG_LO_WORD(i->rm()); result.xmm64u(0) = (Bit8s) (val16 & 0xFF); result.xmm64u(1) = (Bit8s) (val16 >> 8); /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), result); #endif } /* 66 0F 38 23 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::PMOVSXWD_VdqWqR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister result; Bit64u val64 = BX_READ_XMM_REG_LO_QWORD(i->rm()); result.xmm32u(0) = (Bit16s) (val64 & 0xFFFF); result.xmm32u(1) = (Bit16s) ((val64 >> 16) & 0xFFFF); result.xmm32u(2) = (Bit16s) ((val64 >> 32) & 0xFFFF); result.xmm32u(3) = (Bit16s) (val64 >> 48); /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), result); #endif } /* 66 0F 38 24 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::PMOVSXWQ_VdqWdR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister result; Bit32u val32 = BX_READ_XMM_REG_LO_DWORD(i->rm()); result.xmm64u(0) = (Bit16s) (val32 & 0xFFFF); result.xmm64u(1) = (Bit16s) (val32 >> 16); /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), result); #endif } /* 66 0F 38 25 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::PMOVSXDQ_VdqWqR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister result; Bit64u val64 = BX_READ_XMM_REG_LO_QWORD(i->rm()); result.xmm64u(0) = (Bit32s) (val64 & 0xFFFFFFFF); result.xmm64u(1) = (Bit32s) (val64 >> 32); /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), result); #endif } /* 66 0F 38 30 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::PMOVZXBW_VdqWqR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister result; Bit64u val64 = BX_READ_XMM_REG_LO_QWORD(i->rm()); result.xmm16u(0) = val64 & 0xFF; result.xmm16u(1) = (val64 >> 8) & 0xFF; result.xmm16u(2) = (val64 >> 16) & 0xFF; result.xmm16u(3) = (val64 >> 24) & 0xFF; result.xmm16u(4) = (val64 >> 32) & 0xFF; result.xmm16u(5) = (val64 >> 40) & 0xFF; result.xmm16u(6) = (val64 >> 48) & 0xFF; result.xmm16u(7) = val64 >> 56; /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), result); #endif } /* 66 0F 38 31 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::PMOVZXBD_VdqWdR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister result; Bit32u val32 = BX_READ_XMM_REG_LO_DWORD(i->rm()); result.xmm32u(0) = val32 & 0xFF; result.xmm32u(1) = (val32 >> 8) & 0xFF; result.xmm32u(2) = (val32 >> 16) & 0xFF; result.xmm32u(3) = val32 >> 24; /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), result); #endif } /* 66 0F 38 32 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::PMOVZXBQ_VdqWwR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister result; Bit16u val16 = BX_READ_XMM_REG_LO_WORD(i->rm()); result.xmm64u(0) = val16 & 0xFF; result.xmm64u(1) = val16 >> 8; /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), result); #endif } /* 66 0F 38 33 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::PMOVZXWD_VdqWqR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister result; Bit64u val64 = BX_READ_XMM_REG_LO_QWORD(i->rm()); result.xmm32u(0) = val64 & 0xFFFF; result.xmm32u(1) = (val64 >> 16) & 0xFFFF; result.xmm32u(2) = (val64 >> 32) & 0xFFFF; result.xmm32u(3) = val64 >> 48; /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), result); #endif } /* 66 0F 38 34 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::PMOVZXWQ_VdqWdR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister result; Bit32u val32 = BX_READ_XMM_REG_LO_DWORD(i->rm()); result.xmm64u(0) = val32 & 0xFFFF; result.xmm64u(1) = val32 >> 16; /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), result); #endif } /* 66 0F 38 35 */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::PMOVZXDQ_VdqWqR(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister result; Bit64u val64 = BX_READ_XMM_REG_LO_QWORD(i->rm()); result.xmm64u(0) = val64 & 0xFFFFFFFF; result.xmm64u(1) = val64 >> 32; /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), result); #endif } /* 66 0F 3A 0F */ void BX_CPP_AttrRegparmN(1) BX_CPU_C::PALIGNR_VdqWdqIb(bxInstruction_c *i) { #if BX_CPU_LEVEL >= 6 BxPackedXmmRegister op1 = BX_READ_XMM_REG(i->nnn()), op2, result; /* op2 is a register or memory reference */ if (i->modC0()) { op2 = BX_READ_XMM_REG(i->rm()); } else { bx_address eaddr = BX_CPU_CALL_METHODR(i->ResolveModrm, (i)); /* pointer, segment address pair */ read_virtual_dqword_aligned(i->seg(), eaddr, (Bit8u *) &op2); } unsigned shift = i->Ib() * 8; if(shift == 0) { result.xmm64u(0) = op2.xmm64u(0); result.xmm64u(1) = op2.xmm64u(1); } else if(shift < 64) { result.xmm64u(0) = (op2.xmm64u(0) >> shift) | (op2.xmm64u(1) << (64-shift)); result.xmm64u(1) = (op2.xmm64u(1) >> shift) | (op1.xmm64u(0) << (64-shift)); } else if(shift == 64) { result.xmm64u(0) = op2.xmm64u(1); result.xmm64u(1) = op1.xmm64u(0); } else if(shift < 128) { shift -= 64; result.xmm64u(0) = (op2.xmm64u(1) >> shift) | (op1.xmm64u(0) << (64-shift)); result.xmm64u(1) = (op1.xmm64u(0) >> shift) | (op1.xmm64u(1) << (64-shift)); } else if(shift == 128) { result.xmm64u(0) = op1.xmm64u(0); result.xmm64u(1) = op1.xmm64u(1); } else if(shift < 192) { shift -= 128; result.xmm64u(0) = (op1.xmm64u(0) >> shift) | (op1.xmm64u(1) << (64-shift)); result.xmm64u(1) = (op1.xmm64u(1) >> shift); } else if(shift < 256) { result.xmm64u(0) = op1.xmm64u(1) >> (shift - 192); result.xmm64u(1) = 0; } else { result.xmm64u(0) = 0; result.xmm64u(1) = 0; } /* now write result back to destination */ BX_WRITE_XMM_REG(i->nnn(), result); #endif }