Wolfgang Thalleradd binutils-2.20.15d96d8014 years agoHistory
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; Collection of macros, for GNU Binutils .cpu files. -*- Scheme -*-;; Copyright 2000, 2007, 2009 Free Software Foundation, Inc.;; Contributed by Red Hat Inc.;; This file is part of the GNU Binutils.;; This program is free software; you can redistribute it and/or modify; it under the terms of the GNU General Public License as published by; the Free Software Foundation; either version 3 of the License, or; (at your option) any later version.;; This program 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 General Public License for more details.;; You should have received a copy of the GNU General Public License; along with this program; if not, write to the Free Software; Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,; MA 02110-1301, USA.; Enums. ; Define a normal enum without using name/value pairs.; This is currently the same as define-full-enum but it needn't remain; that way (it's define-full-enum that would change). (define-pmacro (define-normal-enum name comment attrs prefix vals)  "Define a normal enum, fixed number of arguments."  (define-full-enum name comment attrs prefix vals)) ; Define a normal insn enum. (define-pmacro (define-normal-insn-enum name comment attrs prefix fld vals)  "Define a normal instruction opcode enum."  (define-full-insn-enum name comment attrs prefix fld vals)); Instruction fields. ; Normally, fields are unsigned and have no encode/decode needs. (define-pmacro (define-normal-ifield name comment attrs start length)  "Define a normal instruction field."  (define-full-ifield name comment attrs start length UINT #f #f)) ; For those who don't like typing. (define-pmacro (df name comment attrs start length mode encode decode)  "Shorthand form of normal fields requiring mode, encode/decode."  (define-full-ifield name comment attrs start length mode encode decode))(define-pmacro dnf  "Shorthand form of define-normal-ifield."  define-normal-ifield) ; Define a normal multi-ifield. (define-pmacro (define-normal-multi-ifield name comment attrs		 mode subflds insert extract)  "Define a normal multi-part instruction field."  (define-full-multi-ifield name comment attrs mode subflds insert extract)) ; For those who don't like typing. (define-pmacro dnmf  "Shorthand form of define-normal-multi-ifield."  define-normal-multi-ifield) ; Simple multi-ifields: mode is UINT, default insert/extract support,; default encode/decode support. (define-pmacro (dsmf name comment attrs subflds)  "Define a simple multi-part instruction field."  (define-full-multi-ifield name comment attrs UINT subflds #f #f)); Hardware. ; Simpler version for most hardware elements.; Allow special assembler support specification but no semantic-name,; getter/setter, or layout specs. (define-pmacro (define-normal-hardware name comment attrs type		 indices values handlers)  "Define a normal hardware element."  (define-full-hardware name comment attrs name type    indices values handlers () () ())) ; For those who don't like typing. (define-pmacro dnh  "Shorthand form of define-normal-hardware."  define-normal-hardware) ; Simpler version of dnh that leaves out the indices, values, handlers,; getter/setter, and layout specs.; This is useful for 1 bit registers.; ??? While dsh and dnh aren't that distinguishable when perusing a .cpu file,; they both take a fixed number of positional arguments, and dsh is a proper; subset of dnh with all arguments in the same positions, so methinks things; are ok. (define-pmacro (define-simple-hardware name comment attrs type)  "Define a simple hardware element (usually a scalar register)."  (define-full-hardware name comment attrs name type () () () () () ())) (define-pmacro dsh  "Shorthand form of define-simple-hardware."  define-simple-hardware); Operands. ; Simpler version for most operands.; Allow special assembler support specification but no handlers or; getter/setter specs. (define-pmacro (define-normal-operand name comment attrs type index)  "Define a normal operand."  (define-full-operand name comment attrs type DFLT index () () ())) ; For those who don't like typing. (define-pmacro dno  "Shorthand form of define-normal-operand."  define-normal-operand) ; Deprecated, but still in wide use. (define-pmacro dnop  "Shorthand form of define-normal-operand."  define-normal-operand) (define-pmacro (dndo x-name x-mode x-args		     x-syntax x-base-ifield x-encoding x-ifield-assertion		     x-getter x-setter)  "Define a normal derived operand."  (define-derived-operand    (name x-name)    (mode x-mode)    (args x-args)    (syntax x-syntax)    (base-ifield x-base-ifield)    (encoding x-encoding)    (ifield-assertion x-ifield-assertion)    (getter x-getter)    (setter x-setter)    )); Instructions. ; Define an instruction object, normal version.; At present all fields must be specified.; Fields ifield-assertion is absent. (define-pmacro (define-normal-insn name comment attrs syntax fmt semantics timing)  "Define a normal instruction."  (define-full-insn name comment attrs syntax fmt () semantics timing)) ; To reduce the amount of typing.; Note that this is the same name as the D'ni in MYST.  Oooohhhh.....; this must be the right way to go. :-) (define-pmacro dni  "Shorthand form of define-normal-insn."  define-normal-insn); Macro instructions. ; Define a macro-insn object, normal version.; This only supports expanding to one real insn. (define-pmacro (define-normal-macro-insn name comment attrs syntax expansion)  "Define a normal macro instruction."  (define-full-minsn name comment attrs syntax expansion)) ; To reduce the amount of typing. (define-pmacro dnmi  "Shorthand form of define-normal-macro-insn."  define-normal-macro-insn); Modes.; ??? Not currently available for use.;; Define Normal Mode;;(define-pmacro (define-normal-mode name comment attrs bits bytes;		 non-mode-c-type printf-type sem-mode ptr-to host?);  "Define a normal mode.\n";  (define-full-mode name comment attrs bits bytes;    non-mode-c-type printf-type sem-mode ptr-to host?););; For those who don't like typing.;(define-pmacro dnm;  "Shorthand form of define-normal-mode.\n";  define-normal-mode;)

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