* Make-common.in (sim-reg.o): New rule.

(cgen-run.o): New rule.
	* cgen-ops.h: Delete many BI macros.  Change all UBI -> BI.
	* cgen-run.c (prime_cpu): New function.
	* cgen-scache.c: Add pseudo-basic-block (pbb) scaching support.
	(scache_option_handler, case OPTION_PROFILE_SCACHE): Handle explicitly
	mentioned cpu.
	(scache_flush_cpu,scache_lookup,scache_lookup_or_alloc): New fns.
	* cgen-sim.h (CGEN_INSN_VIRTUAL_TYPE): New enum.
	(CGEN_INSN_VIRTUAL_P): New macro.
	(SEM_PC): New typedef.
	(SEMANTIC_FN): Change type of result to SEM_PC.
	(SEM_SET_FULL_CODE,SEM_SET_FAST_CODE,SEM_SET_CODE): New macros.
	(IDESC_CTI_P,IDESC_SKIP_P): New macros.
	(SCACHE_MAP): New typedef.
	(CPU_SCACHE): Add pbb support.
	(scace_lookup,scache_lookup_or_alloc,scache_flush_cpu): Declare.
	(SEM_BRANCH_INIT_EXTRACT,SEM_BRANCH_INIT,SEM_BRANCH_FINI): New macros.
	(CGEN_CPU): New members running_p,insn_count,{fast,full}_engine_fn,
	max_slice_insns.
	(INSN_NAME): Delete.
	(cgen_insn_name): Declare.
	(sim_engine_invalid_insn): Renamed from sim_engine_illegal_insn.
	* cgen-trace.c (trace_buf): Shrink from 1024 to 256 bytes.
	(first_insn_p): Make static.
	(trace_insn): Handle virtual insns specially.
	(cgen_trace_printf): Ensure we haven't overflowed the buffer.
	* cgen-types.h (UBI): Delete.
	(MODE_TYPE): New enum.
	(HOSTINT,HOSTUINT,HOSTPTR): Delete.
	* cgen-utils.c (mode_names): Delete UBI.  Add INT,UINT,PTR.
	(cgen_virtual_opcode_table): New global.
	(cgen_insn_name): New function.
	(sim_disassemble_insn): Ignore virtual insns.
	* genmloop.sh: Delete top level loop generation.  Add pbb support.
	* sim-cpu.h (CPU_INSN_NAME_FN): New typedef.
	(sim_cpu_base): New members max_insns,insn_name,model_data.
	(CPU_PC_GET,CPU_PC_SET): New macros.
	(sim_pc_get,sim_pc_set): Declare.
	* sim-model.c (model_set): Call model init fn.
	* sim-model.h (MODEL_FN): New typedef.
	(INSN_TIMING): New member model_fn.
	(MODEL): New members num,init.
	* sim-profile.c (sim_profile_print_bar): Renamed from print_bar.
	All callers updated.
	(profile_insn_init): New fn.
	(profile_print_insn): Update, INSN_NAME -> CPU_INSN_NAME.
	Exit early if insn profiling not supported.
	(profile_print_memory): Update, MAX_MODES -> MODE_TARGET_MAX.
	(profile_install): Record profile_insn_init as init fn.
	(profile_uninstall): Free PROFILE_INSN_COUNT if non-null.
	* sim-profile.h: Update, MAX_MODES -> MODE_TARGET_MAX.
	(PROFILE_DATA): Delete member exec_time.
	Change insn_count to pointer to array, rather than the array.
	(sim_profile_print_bar): Declare.
This commit is contained in:
Doug Evans 1998-10-09 22:43:05 +00:00
parent 60fc3193fc
commit 0b517b9cf2

147
sim/common/sim-cpu.h Normal file
View file

@ -0,0 +1,147 @@
/* CPU support.
Copyright (C) 1998 Free Software Foundation, Inc.
Contributed by Cygnus Solutions.
This file is part of GDB, the GNU debugger.
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, 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. */
/* This file is intended to be included by sim-base.h.
This file provides an interface between the simulator framework and
the selected cpu. */
#ifndef SIM_CPU_H
#define SIM_CPU_H
/* Type of function to return an insn name. */
typedef const char * (CPU_INSN_NAME_FN) (sim_cpu *, int);
/* Types for register access functions.
These routines implement the sim_{fetch,store}_register interface. */
typedef int (CPUREG_FETCH_FN) (sim_cpu *, int, unsigned char *, int);
typedef int (CPUREG_STORE_FN) (sim_cpu *, int, unsigned char *, int);
/* Types for PC access functions.
Some simulators require a functional interface to access the program
counter [a macro is insufficient as the PC is kept in a cpu-specific part
of the sim_cpu struct]. */
typedef sim_cia (PC_FETCH_FN) (sim_cpu *);
typedef void (PC_STORE_FN) (sim_cpu *, sim_cia);
/* Pseudo baseclass for each cpu. */
typedef struct {
/* Backlink to main state struct. */
SIM_DESC state;
#define CPU_STATE(cpu) ((cpu)->base.state)
/* Processor index within the SD_DESC */
int index;
#define CPU_INDEX(cpu) ((cpu)->base.index)
/* The name of the cpu. */
const char *name;
#define CPU_NAME(cpu) ((cpu)->base.name)
/* Options specific to this cpu. */
struct option_list *options;
#define CPU_OPTIONS(cpu) ((cpu)->base.options)
/* Processor specific core data */
sim_cpu_core core;
#define CPU_CORE(cpu) (& (cpu)->base.core)
/* Number of instructions (used to iterate over CPU_INSN_NAME). */
unsigned int max_insns;
#define CPU_MAX_INSNS(cpu) ((cpu)->base.max_insns)
/* Function to return the name of an insn. */
CPU_INSN_NAME_FN *insn_name;
#define CPU_INSN_NAME(cpu) ((cpu)->base.insn_name)
/* Trace data. See sim-trace.h. */
TRACE_DATA trace_data;
#define CPU_TRACE_DATA(cpu) (& (cpu)->base.trace_data)
/* Maximum number of debuggable entities.
This debugging is not intended for normal use.
It is only enabled when the simulator is configured with --with-debug
which shouldn't normally be specified. */
#ifndef MAX_DEBUG_VALUES
#define MAX_DEBUG_VALUES 4
#endif
/* Boolean array of specified debugging flags. */
char debug_flags[MAX_DEBUG_VALUES];
#define CPU_DEBUG_FLAGS(cpu) ((cpu)->base.debug_flags)
/* Standard values. */
#define DEBUG_INSN_IDX 0
#define DEBUG_NEXT_IDX 2 /* simulator specific debug bits begin here */
/* Debugging output goes to this or stderr if NULL.
We can't store `stderr' here as stderr goes through a callback. */
FILE *debug_file;
#define CPU_DEBUG_FILE(cpu) ((cpu)->base.debug_file)
/* Profile data. See sim-profile.h. */
PROFILE_DATA profile_data;
#define CPU_PROFILE_DATA(cpu) (& (cpu)->base.profile_data)
#ifdef SIM_HAVE_MODEL
/* Machine tables for this cpu. See sim-model.h. */
const MACH *mach;
#define CPU_MACH(cpu) ((cpu)->base.mach)
/* The selected model. */
const MODEL *model;
#define CPU_MODEL(cpu) ((cpu)->base.model)
/* Model data (profiling state, etc.). */
void *model_data;
#define CPU_MODEL_DATA(cpu) ((cpu)->base.model_data)
#endif
/* Routines to fetch/store registers. */
CPUREG_FETCH_FN *reg_fetch;
#define CPU_REG_FETCH(c) ((c)->base.reg_fetch)
CPUREG_STORE_FN *reg_store;
#define CPU_REG_STORE(c) ((c)->base.reg_store)
PC_FETCH_FN *pc_fetch;
#define CPU_PC_FETCH(c) ((c)->base.pc_fetch)
PC_STORE_FN *pc_store;
#define CPU_PC_STORE(c) ((c)->base.pc_store)
} sim_cpu_base;
/* Create all cpus. */
extern SIM_RC sim_cpu_alloc_all (SIM_DESC, int, int);
/* Create a cpu. */
extern sim_cpu *sim_cpu_alloc (SIM_DESC, int);
/* Release resources held by all cpus. */
extern void sim_cpu_free_all (SIM_DESC);
/* Release resources held by a cpu. */
extern void sim_cpu_free (sim_cpu *);
/* Return a pointer to the cpu data for CPU_NAME, or NULL if not found. */
extern sim_cpu *sim_cpu_lookup (SIM_DESC, const char *);
/* Get/set a pc value. */
#define CPU_PC_GET(cpu) ((* CPU_PC_FETCH (cpu)) (cpu))
#define CPU_PC_SET(cpu,newval) ((* CPU_PC_STORE (cpu)) ((cpu), (newval)))
/* External interface to accessing the pc. */
sim_cia sim_pc_get (sim_cpu *);
void sim_pc_set (sim_cpu *, sim_cia);
#endif /* SIM_CPU_H */