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Diffstat (limited to 'sim/ppc/gen-semantics.h')
-rw-r--r-- | sim/ppc/gen-semantics.h | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/sim/ppc/gen-semantics.h b/sim/ppc/gen-semantics.h deleted file mode 100644 index 2c25715..0000000 --- a/sim/ppc/gen-semantics.h +++ /dev/null @@ -1,81 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - -/* Creates the files semantics.[hc]. - - The generated file semantics contains functions that implement the - operations required to model a single target processor instruction. - - Several different variations on the semantics file can be created: - - o uncached - - No instruction cache exists. The semantic function - needs to generate any required values locally. - - o cached - separate cracker and semantic - - Two independant functions are created. Firstly the - function that cracks an instruction entering it into a - cache and secondly the semantic function propper that - uses the cache. - - o cached - semantic + cracking semantic - - The function that cracks the instruction and enters - all values into the cache also contains a copy of the - semantic code (avoiding the need to call both the - cracker and the semantic function when there is a - cache miss). - - For each of these general forms, several refinements can occure: - - o do/don't duplicate/expand semantic functions - - As a consequence of decoding an instruction, the - decoder, as part of its table may have effectivly made - certain of the variable fields in an instruction - constant. Separate functions for each of the - alternative values for what would have been treated as - a variable part can be created. - - o use cache struct directly. - - When a cracking cache is present, the semantic - functions can be generated to either hold intermediate - cache values in local variables or always refer to the - contents of the cache directly. */ - - - -extern insn_handler print_semantic_declaration; -extern insn_handler print_semantic_definition; - -extern void print_idecode_illegal -(lf *file, - const char *result); - -extern void print_semantic_body -(lf *file, - insn *instruction, - insn_bits *expanded_bits, - opcode_field *opcodes); - |