diff options
Diffstat (limited to 'sim/arm/wrapper.c')
| -rw-r--r-- | sim/arm/wrapper.c | 169 |
1 files changed, 115 insertions, 54 deletions
diff --git a/sim/arm/wrapper.c b/sim/arm/wrapper.c index fdbff86..2a582cd 100644 --- a/sim/arm/wrapper.c +++ b/sim/arm/wrapper.c @@ -1,7 +1,7 @@ /* run front end support for arm - Copyright (C) 1995 Free Software Foundation, Inc. + Copyright (C) 1995, 1996 Free Software Foundation, Inc. -This file is part of ARM SIM +This file is part of ARM SIM. GNU CC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -14,68 +14,95 @@ 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 GNU CC; see the file COPYING. If not, write to -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ +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 provides the interface between the simulator and run.c and gdb + (when the simulator is linked with gdb). + All simulator interaction should go through this file. */ #include <stdio.h> #include <stdarg.h> -#include <armdefs.h> #include <bfd.h> #include <signal.h> #include "callback.h" #include "remote-sim.h" +#include "armdefs.h" +#include "armemu.h" +#include "dbg_rdi.h" + +host_callback *sim_callback; + static struct ARMul_State *state; +/* Memory size in bytes. */ +static int mem_size = (1 << 21); + +/* Non-zero to display start up banner, and maybe other things. */ +static int verbosity; + static void init () { static int done; + if (!done) { ARMul_EmulateInit(); state = ARMul_NewState (); - ARMul_MemoryInit(state, 1<<21); + ARMul_MemoryInit(state, mem_size); ARMul_OSInit(state); ARMul_CoProInit(state); + state->verbose = verbosity; done = 1; } - -} -void -ARMul_ConsolePrint (ARMul_State * state, const char *format,...) -{ - va_list ap; - va_start (ap, format); - vprintf (format, ap); - va_end (ap); } -ARMword -ARMul_Debug (ARMul_State * state, ARMword pc, ARMword instr) -{ +/* Set verbosity level of simulator. + This is not intended to produce detailed tracing or debugging information. + Just summaries. */ +/* FIXME: common/run.c doesn't do this yet. */ +void +sim_set_verbose (v) + int v; +{ + verbosity = v; } +/* Set the memory size to SIZE bytes. + Must be called before initializing simulator. */ +/* FIXME: Rename to sim_set_mem_size. */ + void sim_size (size) int size; { - init (); - ARMul_MemoryInit (state, 1 << size); + mem_size = size; } - void -sim_set_profile () +ARMul_ConsolePrint (ARMul_State * state, const char *format,...) { + va_list ap; + + if (state->verbose) + { + va_start (ap, format); + vprintf (format, ap); + va_end (ap); + } } -void -sim_set_profile_size () + +ARMword +ARMul_Debug (ARMul_State * state, ARMword pc, ARMword instr) { + } int -sim_write (addr, buffer, size) +sim_write (sd, addr, buffer, size) + SIM_DESC sd; SIM_ADDR addr; unsigned char *buffer; int size; @@ -90,7 +117,8 @@ sim_write (addr, buffer, size) } int -sim_read (addr, buffer, size) +sim_read (sd, addr, buffer, size) + SIM_DESC sd; SIM_ADDR addr; unsigned char *buffer; int size; @@ -104,29 +132,38 @@ sim_read (addr, buffer, size) return size; } -void -sim_trace () +int +sim_trace (sd) + SIM_DESC sd; { + (*sim_callback->printf_filtered) (sim_callback, "This simulator does not support tracing\n"); + return 1; } -static int rc; void -sim_resume (step, siggnal) +sim_resume (sd, step, siggnal) + SIM_DESC sd; int step, siggnal; { + state->EndCondition = 0; + if (step) { - rc = SIGTRAP; - state->Reg[15] = ARMul_DoInstr (state); + state->Reg[15] = ARMul_DoInstr (state); + if (state->EndCondition == 0) + state->EndCondition = RDIError_BreakpointReached; } else { - state->Reg[15] = ARMul_DoProg (state); + state->Reg[15] = ARMul_DoProg (state); } + + FLUSHPIPE; } void -sim_create_inferior (start_address, argv, env) +sim_create_inferior (sd, start_address, argv, env) + SIM_DESC sd; SIM_ADDR start_address; char **argv; char **env; @@ -135,13 +172,14 @@ sim_create_inferior (start_address, argv, env) } void -sim_info (verbose) +sim_info (sd, verbose) + SIM_DESC sd; int verbose; { } -int +static int frommem (state, memory) struct ARMul_State *state; unsigned char *memory; @@ -163,7 +201,7 @@ frommem (state, memory) } -void +static void tomem (state, memory, val) struct ARMul_State *state; unsigned char *memory; @@ -186,7 +224,8 @@ tomem (state, memory, val) } void -sim_store_register (rn, memory) +sim_store_register (sd, rn, memory) + SIM_DESC sd; int rn; unsigned char *memory; { @@ -195,7 +234,8 @@ sim_store_register (rn, memory) } void -sim_fetch_register (rn, memory) +sim_fetch_register (sd, rn, memory) + SIM_DESC sd; int rn; unsigned char *memory; { @@ -206,22 +246,27 @@ sim_fetch_register (rn, memory) -void -sim_open (name) - char *name; +SIM_DESC +sim_open (kind, argv) + SIM_OPEN_KIND kind; + char **argv; { - /* nothing to do */ + /* (*sim_callback->error) (sim_callback, "testing 1 2 3\n");*/ + /* nothing to do, fudge our descriptor */ + return (SIM_DESC) 1; } void -sim_close (quitting) +sim_close (sd, quitting) + SIM_DESC sd; int quitting; { /* nothing to do */ } int -sim_load (prog, from_tty) +sim_load (sd, prog, from_tty) + SIM_DESC sd; char *prog; int from_tty; { @@ -230,30 +275,46 @@ sim_load (prog, from_tty) } void -sim_stop_reason (reason, sigrc) +sim_stop_reason (sd, reason, sigrc) + SIM_DESC sd; enum sim_stop *reason; int *sigrc; { - *reason = sim_stopped; - *sigrc = rc; + if (state->EndCondition == 0) + { + *reason = sim_exited; + *sigrc = state->Reg[0] & 255; + } + else + { + *reason = sim_stopped; + if (state->EndCondition == RDIError_BreakpointReached) + *sigrc = SIGTRAP; + else + *sigrc = 0; + } } + void -sim_kill () +sim_kill (sd) + SIM_DESC sd; { /* nothing to do */ } void -sim_do_command (cmd) +sim_do_command (sd, cmd) + SIM_DESC sd; char *cmd; { - printf_filtered ("This simulator does not accept any commands.\n"); + (*sim_callback->printf_filtered) (sim_callback, "This simulator does not accept any commands.\n"); } void -sim_set_callbacks (ptr) -struct host_callback_struct *ptr; +sim_set_callbacks (sd, ptr) + SIM_DESC sd; + host_callback *ptr; { - + sim_callback = ptr; } |