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-rw-r--r--sim/common/sim-cpu.h152
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diff --git a/sim/common/sim-cpu.h b/sim/common/sim-cpu.h
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--- a/sim/common/sim-cpu.h
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-/* 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 *);
-
-/* Return prefix to use in cpu specific messages. */
-extern const char *sim_cpu_msg_prefix (sim_cpu *);
-/* Cover fn to sim_io_eprintf. */
-extern void sim_io_eprintf_cpu (sim_cpu *, 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 */