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