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-rw-r--r--src/arch/x86/isa/decoder/one_byte_opcodes.isa11
-rw-r--r--src/arch/x86/isa/decoder/x87.isa346
2 files changed, 347 insertions, 10 deletions
diff --git a/src/arch/x86/isa/decoder/one_byte_opcodes.isa b/src/arch/x86/isa/decoder/one_byte_opcodes.isa
index 507f75bb8..7c627b0c2 100644
--- a/src/arch/x86/isa/decoder/one_byte_opcodes.isa
+++ b/src/arch/x86/isa/decoder/one_byte_opcodes.isa
@@ -470,16 +470,7 @@
}
0x7: xlat();
}
- 0x1B: decode OPCODE_OP_BOTTOM3 {
- 0x0: esc0();
- 0x1: esc1();
- 0x2: esc2();
- 0x3: esc3();
- 0x4: esc4();
- 0x5: esc5();
- 0x6: esc6();
- 0x7: esc7();
- }
+ ##include "x87.isa"
0x1C: decode OPCODE_OP_BOTTOM3 {
0x0: loopne_Jb();
0x1: loope_Jb();
diff --git a/src/arch/x86/isa/decoder/x87.isa b/src/arch/x86/isa/decoder/x87.isa
new file mode 100644
index 000000000..f16647fe5
--- /dev/null
+++ b/src/arch/x86/isa/decoder/x87.isa
@@ -0,0 +1,346 @@
+// Copyright (c) 2007 The Hewlett-Packard Development Company
+// All rights reserved.
+//
+// Redistribution and use of this software in source and binary forms,
+// with or without modification, are permitted provided that the
+// following conditions are met:
+//
+// The software must be used only for Non-Commercial Use which means any
+// use which is NOT directed to receiving any direct monetary
+// compensation for, or commercial advantage from such use. Illustrative
+// examples of non-commercial use are academic research, personal study,
+// teaching, education and corporate research & development.
+// Illustrative examples of commercial use are distributing products for
+// commercial advantage and providing services using the software for
+// commercial advantage.
+//
+// If you wish to use this software or functionality therein that may be
+// covered by patents for commercial use, please contact:
+// Director of Intellectual Property Licensing
+// Office of Strategy and Technology
+// Hewlett-Packard Company
+// 1501 Page Mill Road
+// Palo Alto, California 94304
+//
+// Redistributions of source code must retain the above copyright notice,
+// this list of conditions and the following disclaimer. Redistributions
+// in binary form must reproduce the above copyright notice, this list of
+// conditions and the following disclaimer in the documentation and/or
+// other materials provided with the distribution. Neither the name of
+// the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission. No right of
+// sublicense is granted herewith. Derivatives of the software and
+// output created using the software may be prepared, but only for
+// Non-Commercial Uses. Derivatives of the software may be shared with
+// others provided: (i) the others agree to abide by the list of
+// conditions herein which includes the Non-Commercial Use restrictions;
+// and (ii) such Derivatives of the software include the above copyright
+// notice to acknowledge the contribution from this software where
+// applicable, this list of conditions and the disclaimer below.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Authors: Gabe Black
+
+0x1B: decode OPCODE_OP_BOTTOM3 {
+ //0x0: esc0();
+ 0x0: decode MODRM_REG {
+ 0x0: fadd();
+ 0x1: fmul();
+ 0x2: fcom();
+ 0x3: fcomp();
+ 0x4: fsub();
+ 0x5: fsubr();
+ 0x6: fdiv();
+ 0x7: fdivr();
+ }
+ //0x1: esc1();
+ 0x1: decode MODRM_REG {
+ 0x0: fld();
+ 0x1: decode MODRM_MOD {
+ 0x3: fxch();
+ default: Inst::UD2();
+ }
+ 0x2: decode MODRM_MOD {
+ 0x3: decode MODRM_RM {
+ 0x0: fnop();
+ default: Inst::UD2();
+ }
+ default: fst();
+ }
+ 0x3: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fstp();
+ }
+ 0x4: decode MODRM_MOD {
+ 0x3: decode MODRM_RM {
+ 0x0: fchs();
+ 0x1: fabs();
+ 0x4: ftst();
+ 0x5: fxam();
+ default: Inst::UD2();
+ }
+ default: fldenv();
+ }
+ 0x5: decode MODRM_MOD {
+ 0x3: decode MODRM_RM {
+ 0x0: fld1();
+ 0x1: fldl2t();
+ 0x2: fldl2e();
+ 0x3: fldpi();
+ 0x4: fldlg2();
+ 0x5: fldln2();
+ 0x6: fldz();
+ }
+ default: fldcw();
+ }
+ 0x6: decode MODRM_MOD {
+ 0x3: decode MODRM_RM {
+ 0x0: f2xm1();
+ 0x1: fyl2x();
+ 0x2: fptan();
+ 0x3: fpatan();
+ 0x4: fxtract();
+ 0x5: fprem1();
+ 0x6: fdecstp();
+ 0x7: fincstp();
+ }
+ default: fnstenv();
+ }
+ 0x7: decode MODRM_MOD {
+ 0x3: decode MODRM_RM {
+ 0x0: fprem();
+ 0x1: fyl2xp1();
+ 0x2: fsqrt();
+ 0x3: fsincos();
+ 0x4: frndint();
+ 0x5: fscale();
+ 0x6: fsin();
+ 0x7: fcos();
+ }
+ default: fnstcw();
+ }
+ }
+ //0x2: esc2();
+ 0x2: decode MODRM_REG {
+ 0x0: decode MODRM_MOD {
+ 0x3: fcmovb();
+ default: fiadd();
+ }
+ 0x1: decode MODRM_MOD {
+ 0x3: fcmove();
+ default: fimul();
+ }
+ 0x2: decode MODRM_MOD {
+ 0x3: fcmovbe();
+ default: ficom();
+ }
+ 0x3: decode MODRM_MOD {
+ 0x3: fcmovu();
+ default: ficomp();
+ }
+ 0x4: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fisub();
+ }
+ 0x5: decode MODRM_MOD {
+ 0x3: decode MODRM_RM {
+ 0x1: fucompp();
+ default: Inst::UD2();
+ }
+ default: fisubr();
+ }
+ 0x6: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fidiv();
+ }
+ 0x7: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fidivr();
+ }
+ }
+ //0x3: esc3();
+ 0x3: decode MODRM_REG {
+ 0x0: decode MODRM_MOD {
+ 0x3: fcmovnb();
+ default: fild();
+ }
+ 0x1: decode MODRM_MOD {
+ 0x3: fcmovne();
+ default: fisttp();
+ }
+ 0x2: decode MODRM_MOD {
+ 0x3: fcmovnbe();
+ default: fist();
+ }
+ 0x3: decode MODRM_MOD {
+ 0x3: fcmovnu();
+ default: fistp();
+ }
+ 0x4: decode MODRM_MOD {
+ 0x3: decode MODRM_RM {
+ 0x2: fnclex();
+ 0x3: fninit();
+ default: Inst::UD2();
+ }
+ default: Inst::UD2();
+ }
+ 0x5: decode MODRM_MOD {
+ 0x3: fucomi();
+ default: fld();
+ }
+ 0x6: decode MODRM_MOD {
+ 0x3: fcomi();
+ default: Inst::UD2();
+ }
+ 0x7: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fstp();
+ }
+ }
+ //0x4: esc4();
+ 0x4: decode MODRM_REG {
+ 0x0: fadd();
+ 0x1: fmul();
+ 0x2: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fcom();
+ }
+ 0x3: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fcomp();
+ }
+ 0x4: decode MODRM_MOD {
+ 0x3: fsubr();
+ default: fsub();
+ }
+ 0x5: decode MODRM_MOD {
+ 0x3: fsub();
+ default: fsubr();
+ }
+ 0x6: decode MODRM_MOD {
+ 0x3: fdivr();
+ default: fdiv();
+ }
+ 0x7: decode MODRM_MOD {
+ 0x3: fdiv();
+ default: fdivr();
+ }
+ }
+ //0x5: esc5();
+ 0x5: decode MODRM_REG {
+ 0x0: decode MODRM_MOD {
+ 0x3: ffree();
+ default: fld();
+ }
+ 0x1: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fisttp();
+ }
+ 0x2: fst();
+ 0x3: fstp();
+ 0x4: decode MODRM_MOD {
+ 0x3: fucom();
+ default: frstor();
+ }
+ 0x5: decode MODRM_MOD {
+ 0x3: fucomp();
+ default: Inst::UD2();
+ }
+ 0x6: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fnsave();
+ }
+ 0x7: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fnstsw();
+ }
+ }
+ //0x6: esc6();
+ 0x6: decode MODRM_REG {
+ 0x0: decode MODRM_MOD {
+ 0x3: faddp();
+ default: fiadd();
+ }
+ 0x1: decode MODRM_MOD {
+ 0x3: fmulp();
+ default: fimul();
+ }
+ 0x2: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: ficom();
+ }
+ 0x3: decode MODRM_MOD {
+ 0x3: decode MODRM_RM {
+ 0x1: fcompp();
+ default: Inst::UD2();
+ }
+ default: ficomp();
+ }
+ 0x4: decode MODRM_MOD {
+ 0x3: fsubrp();
+ default: fisub();
+ }
+ 0x5: decode MODRM_MOD {
+ 0x3: fsubp();
+ default: fisubr();
+ }
+ 0x6: decode MODRM_MOD {
+ 0x3: fdivrp();
+ default: fidiv();
+ }
+ 0x7: decode MODRM_MOD {
+ 0x3: fdivp();
+ default: fidivr();
+ }
+ }
+ //0x7: esc7();
+ 0x7: decode MODRM_REG {
+ 0x0: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fild();
+ }
+ 0x1: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fisttp();
+ }
+ 0x2: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fist();
+ }
+ 0x3: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fistp();
+ }
+ 0x4: decode MODRM_MOD {
+ 0x3: decode MODRM_RM {
+ 0x0: fnstsw();
+ default: Inst::UD2();
+ }
+ default: fbld();
+ }
+ 0x5: decode MODRM_MOD {
+ 0x3: fucomip();
+ default: fild();
+ }
+ 0x6: decode MODRM_MOD {
+ 0x3: fcomip();
+ default: fbstp();
+ }
+ 0x7: decode MODRM_MOD {
+ 0x3: Inst::UD2();
+ default: fistp();
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-30 19:44:44 +0000