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Diffstat (limited to 'sim/ppc/igen.h')
| -rw-r--r-- | sim/ppc/igen.h | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/sim/ppc/igen.h b/sim/ppc/igen.h deleted file mode 100644 index d3462098905..00000000000 --- a/sim/ppc/igen.h +++ /dev/null @@ -1,199 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994,1995,1996, 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. - - */ - - -/* What does the instruction look like - bit ordering and size */ -extern int hi_bit_nr; -extern int insn_bit_size; - - -/* generation options: */ - - -enum { - generate_with_direct_access = 0x1, - generate_with_icache = 0x2, - generate_with_semantic_icache = 0x4, - generate_with_insn_in_icache = 0x8, -}; - - -typedef enum { - - /* Transfer control to an instructions semantic code using the the - standard call/return mechanism */ - - generate_calls = 0x100, - - /* In addition, when refering to fields access them directly instead - of via variables */ - - generate_calls_with_direct_access - = generate_calls | generate_with_direct_access, - - /* In addition, pre-decode an instructions opcode fields (entering - them into an icache) so that semantic code can avoid the need to - re-decode fields each time it is executed */ - - generate_calls_with_icache - = generate_calls | generate_with_icache, - - /* In addition, the instruction decode code includes a duplicated - copy of the instructions semantic code. This avoids the need to - perform two calls (one to decode an instructions opcode fields - and one to execute the instruction) when there is a miss of the - icache */ - - generate_calls_with_semantic_icache - = generate_calls_with_icache | generate_with_semantic_icache, - - /* In addition, the semantic function refers to icache entries - directly instead of first moving them into local variables */ - - generate_calls_with_direct_access_icache - = generate_calls_with_icache | generate_with_direct_access, - - generate_calls_with_direct_access_semantic_icache - = generate_calls_with_direct_access_icache | generate_with_semantic_icache, - - - /* Transfer control to an instructions semantic code using - (computed) goto's instead of the more conventional call/return - mechanism */ - - generate_jumps = 0x200, - - /* As for generate jumps but with instruction fields accessed - directly */ - - generate_jumps_with_direct_access - = generate_jumps | generate_with_direct_access, - - /* As for generate_calls_with_icache but applies to jumping code */ - - generate_jumps_with_icache - = generate_jumps | generate_with_icache, - - /* As for generate_calls_with_semantic_icache but applies to jumping - code */ - - generate_jumps_with_semantic_icache - = generate_jumps_with_icache | generate_with_semantic_icache, - - /* As for generate_calls_with_direct_access */ - - generate_jumps_with_direct_access_icache - = generate_jumps_with_icache | generate_with_direct_access, - - generate_jumps_with_direct_access_semantic_icache - = generate_jumps_with_direct_access_icache | generate_with_semantic_icache, - -} igen_code; - -extern igen_code code; - - - - -extern int icache_size; - - -/* Instruction expansion? - - Should the semantic code for each instruction, when the oportunity - arrises, be expanded according to the variable opcode files that - the instruction decode process renders constant */ - -extern int generate_expanded_instructions; - - -/* SMP? - - Should the generated code include SMP support (>0) and if so, for - how many processors? */ - -extern int generate_smp; - - - - -/* Misc junk */ - - - -/* Function header definitions */ - - -/* Cache functions: */ - -#define ICACHE_FUNCTION_FORMAL \ -"cpu *processor,\n\ - instruction_word instruction,\n\ - unsigned_word cia,\n\ - idecode_cache *cache_entry" - -#define ICACHE_FUNCTION_ACTUAL "processor, instruction, cia, cache_entry" - -#define ICACHE_FUNCTION_TYPE \ -((code & generate_with_semantic_icache) \ - ? SEMANTIC_FUNCTION_TYPE \ - : "idecode_semantic *") - - -/* Semantic functions: */ - -#define SEMANTIC_FUNCTION_FORMAL \ -((code & generate_with_icache) \ - ? "cpu *processor,\n idecode_cache *cache_entry,\n unsigned_word cia" \ - : "cpu *processor,\n instruction_word instruction,\n unsigned_word cia") - -#define SEMANTIC_FUNCTION_ACTUAL \ -((code & generate_with_icache) \ - ? "processor, instruction, cia, cache_entry" \ - : "processor, instruction, cia") - -#define SEMANTIC_FUNCTION_TYPE "unsigned_word" - - - -extern void print_my_defines -(lf *file, - insn_bits *expanded_bits, - table_entry *file_entry); - -extern void print_itrace -(lf *file, - table_entry *file_entry, - int idecode); - - -typedef enum { - function_name_prefix_semantics, - function_name_prefix_idecode, - function_name_prefix_itable, - function_name_prefix_icache, - function_name_prefix_none -} lf_function_name_prefixes; - -extern int print_function_name -(lf *file, - const char *basename, - insn_bits *expanded_bits, - lf_function_name_prefixes prefix); |