From: Andrew Cagney Date: Sat, 28 Feb 1998 02:51:06 +0000 (+0000) Subject: Add generic sim-info.c:sim_info() function using module mechanism. X-Git-Tag: gdb-4_18~3142 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0e701ac37b0154048977636afe262f55a9150492;p=external%2Fbinutils.git Add generic sim-info.c:sim_info() function using module mechanism. Clean up compile probs in mips/vr5400. --- diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog index d345e3f..e362e28 100644 --- a/sim/common/ChangeLog +++ b/sim/common/ChangeLog @@ -1,3 +1,32 @@ +Fri Feb 27 13:29:13 1998 Andrew Cagney + + * sim-profile.c (profile_info): Rename from profile_print. Drop + misc and misc_cpu callback arguments. Use + PROFILE_INFO_CPU_CALLBACK and STATE_PROFILE_INFO_CALLBACK instead. + (profile_install): Install profile_info function. + + * sim-profile.h (PROFILE_INFO_CPU_CALLBACK, + STATE_PROFILE_INFO_CALLBACK): Define. + (struct PROFILE_DATA): Add field info_cpu_callback. + (profile_print): Delete function. + + * sim-base.h (STATE_MODULES): Define. Replace individual + STATE_*_LIST with single struct module_list. + + * sim-module.h (MODULE_INFO_FN, MODULE_INFO_LIST): Declare. + (struct module_list): Declare. + + * sim-module.h, sim-module.c (sim_module_add_info_fn, + sim_module_info): New functions. + (sim_module_install): Clean up module data structures. + + * sim-info.c (sim_info): New file. New function. Call + sim_module_info. + + * Make-common.in (sim-info.o): Define rule. + (SIM_NEW_COMMON_OBJS): Add sim-info.o. + + Fri Feb 27 18:26:16 1998 Doug Evans * sim-base.h (sim_cpu_base): New members name, options. diff --git a/sim/common/Make-common.in b/sim/common/Make-common.in index e5c69a7..485b676 100644 --- a/sim/common/Make-common.in +++ b/sim/common/Make-common.in @@ -144,6 +144,7 @@ SIM_NEW_COMMON_OBJS = \ sim-events.o \ sim-fpu.o \ sim-io.o \ + sim-info.o \ sim-load.o \ sim-memopt.o \ sim-module.o \ @@ -333,6 +334,11 @@ sim-hrw.o: $(srccom)/sim-hrw.c $(sim-assert_h) $(sim_core_h) \ $(SIM_EXTRA_DEPS) $(CC) -c $(srccom)/sim-hrw.c $(ALL_CFLAGS) +sim-info.o: $(srccom)/sim-info.c $(sim-assert_h) \ + $(srcroot)/include/remote-sim.h \ + $(SIM_EXTRA_DEPS) + $(CC) -c $(srccom)/sim-info.c $(ALL_CFLAGS) + sim-inline.c: $(srccom)/sim-inline.c rm -f $@ tmp-$@ echo "# 1 \"$(srccom)/$@\"" > tmp-$@ diff --git a/sim/common/sim-base.h b/sim/common/sim-base.h index 5b2f48d..d5d875e 100644 --- a/sim/common/sim-base.h +++ b/sim/common/sim-base.h @@ -138,17 +138,8 @@ typedef struct { #endif /* List of installed module `init' handlers. */ - MODULE_INIT_LIST *init_list; -#define STATE_INIT_LIST(sd) ((sd)->base.init_list) - /* List of installed module `uninstall' handlers. */ - MODULE_UNINSTALL_LIST *uninstall_list; -#define STATE_UNINSTALL_LIST(sd) ((sd)->base.uninstall_list) - /* List of installed module `resume' handlers. */ - MODULE_RESUME_LIST *resume_list; -#define STATE_RESUME_LIST(sd) ((sd)->base.resume_list) - /* List of installed module `suspend' handlers. */ - MODULE_SUSPEND_LIST *suspend_list; -#define STATE_SUSPEND_LIST(sd) ((sd)->base.suspend_list) + struct module_list *modules; +#define STATE_MODULES(sd) ((sd)->base.modules) /* Supported options. */ struct option_list *options; diff --git a/sim/common/sim-info.c b/sim/common/sim-info.c new file mode 100644 index 0000000..844bebe --- /dev/null +++ b/sim/common/sim-info.c @@ -0,0 +1,32 @@ +/* Generic memory read/write for hardware simulator models. + Copyright (C) 1998 Free Software Foundation, Inc. + Contributed by Cygnus Support. + +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. */ + +#include "sim-main.h" +#include "sim-assert.h" + +/* Generic implementation of sim_info that works with simulators using + sim-module. */ + +void +sim_info (SIM_DESC sd, int verbose) +{ + SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); + sim_module_info (sd, verbose); +} diff --git a/sim/common/sim-module.c b/sim/common/sim-module.c index c4dcd30..bb1dca4 100644 --- a/sim/common/sim-module.c +++ b/sim/common/sim-module.c @@ -70,6 +70,8 @@ SIM_RC sim_pre_argv_init (SIM_DESC sd, const char *myname) { SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); + SIM_ASSERT (STATE_MODULES (sd) == NULL); + STATE_MY_NAME (sd) = myname + strlen (myname); while (STATE_MY_NAME (sd) > myname && STATE_MY_NAME (sd)[-1] != '/') --STATE_MY_NAME (sd); @@ -99,6 +101,7 @@ sim_post_argv_init (SIM_DESC sd) { int i; SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); + SIM_ASSERT (STATE_MODULES (sd) != NULL); if (sim_module_init (sd) != SIM_RC_OK) return SIM_RC_FAIL; @@ -117,13 +120,17 @@ SIM_RC sim_module_install (SIM_DESC sd) { MODULE_INSTALL_FN * const *modp; + SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); + SIM_ASSERT (STATE_MODULES (sd) == NULL); + STATE_MODULES (sd) = ZALLOC (struct module_list); for (modp = modules; *modp != NULL; ++modp) { if ((*modp) (sd) != SIM_RC_OK) { sim_module_uninstall (sd); + SIM_ASSERT (STATE_MODULES (sd) == NULL); return SIM_RC_FAIL; } } @@ -136,10 +143,13 @@ sim_module_install (SIM_DESC sd) SIM_RC sim_module_init (SIM_DESC sd) { + struct module_list *modules = STATE_MODULES (sd); MODULE_INIT_LIST *modp; + SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); + SIM_ASSERT (STATE_MODULES (sd) == NULL); - for (modp = STATE_INIT_LIST (sd); modp != NULL; modp = modp->next) + for (modp = modules->init_list; modp != NULL; modp = modp->next) { if ((*modp->fn) (sd) != SIM_RC_OK) return SIM_RC_FAIL; @@ -152,10 +162,13 @@ sim_module_init (SIM_DESC sd) SIM_RC sim_module_resume (SIM_DESC sd) { + struct module_list *modules = STATE_MODULES (sd); MODULE_RESUME_LIST *modp; + SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); + SIM_ASSERT (STATE_MODULES (sd) == NULL); - for (modp = STATE_RESUME_LIST (sd); modp != NULL; modp = modp->next) + for (modp = modules->resume_list; modp != NULL; modp = modp->next) { if ((*modp->fn) (sd) != SIM_RC_OK) return SIM_RC_FAIL; @@ -168,10 +181,13 @@ sim_module_resume (SIM_DESC sd) SIM_RC sim_module_suspend (SIM_DESC sd) { + struct module_list *modules = STATE_MODULES (sd); MODULE_SUSPEND_LIST *modp; + SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); + SIM_ASSERT (STATE_MODULES (sd) == NULL); - for (modp = STATE_SUSPEND_LIST (sd); modp != NULL; modp = modp->next) + for (modp = modules->suspend_list; modp != NULL; modp = modp->next) { if ((*modp->fn) (sd) != SIM_RC_OK) return SIM_RC_FAIL; @@ -184,12 +200,85 @@ sim_module_suspend (SIM_DESC sd) void sim_module_uninstall (SIM_DESC sd) { + struct module_list *modules = STATE_MODULES (sd); MODULE_UNINSTALL_LIST *modp; + SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); + SIM_ASSERT (STATE_MODULES (sd) == NULL); /* Uninstall the modules. */ - for (modp = STATE_UNINSTALL_LIST (sd); modp != NULL; modp = modp->next) + for (modp = modules->uninstall_list; modp != NULL; modp = modp->next) (*modp->fn) (sd); + + /* clean-up init list */ + { + MODULE_INIT_LIST *n, *d; + for (d = modules->init_list; d != NULL; d = n) + { + n = d->next; + zfree (d); + } + } + + /* clean-up resume list */ + { + MODULE_RESUME_LIST *n, *d; + for (d = modules->resume_list; d != NULL; d = n) + { + n = d->next; + zfree (d); + } + } + + /* clean-up suspend list */ + { + MODULE_SUSPEND_LIST *n, *d; + for (d = modules->suspend_list; d != NULL; d = n) + { + n = d->next; + zfree (d); + } + } + + /* clean-up uninstall list */ + { + MODULE_UNINSTALL_LIST *n, *d; + for (d = modules->uninstall_list; d != NULL; d = n) + { + n = d->next; + zfree (d); + } + } + + /* clean-up info list */ + { + MODULE_INFO_LIST *n, *d; + for (d = modules->info_list; d != NULL; d = n) + { + n = d->next; + zfree (d); + } + } + + zfree (modules); + STATE_MODULES (sd) = NULL; +} + +/* Called when ever simulator info is needed */ + +void +sim_module_info (SIM_DESC sd, int verbose) +{ + struct module_list *modules = STATE_MODULES (sd); + MODULE_INFO_LIST *modp; + + SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); + SIM_ASSERT (STATE_MODULES (sd) == NULL); + + for (modp = modules->info_list; modp != NULL; modp = modp->next) + { + (*modp->fn) (sd, verbose); + } } /* Add FN to the init handler list. @@ -198,11 +287,14 @@ sim_module_uninstall (SIM_DESC sd) void sim_module_add_init_fn (SIM_DESC sd, MODULE_INIT_FN fn) { - MODULE_INIT_LIST *l = - (MODULE_INIT_LIST *) xmalloc (sizeof (MODULE_INIT_LIST)); - MODULE_INIT_LIST **last = &STATE_INIT_LIST (sd); + struct module_list *modules = STATE_MODULES (sd); + MODULE_INIT_LIST *l = ZALLOC (MODULE_INIT_LIST); + MODULE_INIT_LIST **last; + SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); + SIM_ASSERT (STATE_MODULES (sd) == NULL); + last = &modules->init_list; while (*last != NULL) last = &((*last)->next); @@ -217,11 +309,14 @@ sim_module_add_init_fn (SIM_DESC sd, MODULE_INIT_FN fn) void sim_module_add_resume_fn (SIM_DESC sd, MODULE_RESUME_FN fn) { + struct module_list *modules = STATE_MODULES (sd); MODULE_RESUME_LIST *l = ZALLOC (MODULE_RESUME_LIST); MODULE_RESUME_LIST **last; + SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); + SIM_ASSERT (STATE_MODULES (sd) == NULL); - last = &STATE_RESUME_LIST (sd); + last = &modules->resume_list; while (*last != NULL) last = &((*last)->next); @@ -236,17 +331,20 @@ sim_module_add_resume_fn (SIM_DESC sd, MODULE_RESUME_FN fn) void sim_module_add_suspend_fn (SIM_DESC sd, MODULE_SUSPEND_FN fn) { + struct module_list *modules = STATE_MODULES (sd); MODULE_SUSPEND_LIST *l = ZALLOC (MODULE_SUSPEND_LIST); MODULE_SUSPEND_LIST **last; + SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); + SIM_ASSERT (STATE_MODULES (sd) == NULL); - last = &STATE_SUSPEND_LIST (sd); + last = &modules->suspend_list; while (*last != NULL) last = &((*last)->next); l->fn = fn; - l->next = STATE_SUSPEND_LIST (sd); - STATE_SUSPEND_LIST (sd) = l; + l->next = modules->suspend_list; + modules->suspend_list = l; } /* Add FN to the uninstall handler list. @@ -255,10 +353,35 @@ sim_module_add_suspend_fn (SIM_DESC sd, MODULE_SUSPEND_FN fn) void sim_module_add_uninstall_fn (SIM_DESC sd, MODULE_UNINSTALL_FN fn) { - MODULE_UNINSTALL_LIST *l = - (MODULE_UNINSTALL_LIST *) xmalloc (sizeof (MODULE_UNINSTALL_LIST)); + struct module_list *modules = STATE_MODULES (sd); + MODULE_UNINSTALL_LIST *l = ZALLOC (MODULE_UNINSTALL_LIST); + + SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); + SIM_ASSERT (STATE_MODULES (sd) == NULL); + + l->fn = fn; + l->next = modules->uninstall_list; + modules->uninstall_list = l; +} + +/* Add FN to the info handler list. + Report info in the same order as the install. */ + +void +sim_module_add_info_fn (SIM_DESC sd, MODULE_INFO_FN fn) +{ + struct module_list *modules = STATE_MODULES (sd); + MODULE_INFO_LIST *l = ZALLOC (MODULE_INFO_LIST); + MODULE_INFO_LIST **last; + + SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); + SIM_ASSERT (STATE_MODULES (sd) == NULL); + + last = &modules->info_list; + while (*last != NULL) + last = &((*last)->next); l->fn = fn; - l->next = STATE_UNINSTALL_LIST (sd); - STATE_UNINSTALL_LIST (sd) = l; + l->next = NULL; + *last = l; } diff --git a/sim/common/sim-profile.c b/sim/common/sim-profile.c index 796b945..f3f8a7e 100644 --- a/sim/common/sim-profile.c +++ b/sim/common/sim-profile.c @@ -829,9 +829,8 @@ profile_print_speed (sim_cpu *cpu) Note that results are indented two spaces to distinguish them from section titles. */ -void -profile_print (SIM_DESC sd, int verbose, - PROFILE_CALLBACK *misc, PROFILE_CPU_CALLBACK *misc_cpu) +static void +profile_info (SIM_DESC sd, int verbose) { int i,c; int print_title_p = 0; @@ -916,8 +915,8 @@ profile_print (SIM_DESC sd, int verbose, #endif /* Print cpu-specific data before the execution speed. */ - if (misc_cpu != NULL) - (*misc_cpu) (cpu, verbose); + if (PROFILE_INFO_CPU_CALLBACK (data) != NULL) + PROFILE_INFO_CPU_CALLBACK (data) (cpu, verbose); /* Always try to print execution time and speed. */ if (verbose @@ -926,9 +925,9 @@ profile_print (SIM_DESC sd, int verbose, } /* Finally print non-cpu specific miscellaneous data. */ + if (STATE_PROFILE_INFO_CALLBACK (sd)) + STATE_PROFILE_INFO_CALLBACK (sd) (sd, verbose); - if (misc != NULL) - (*misc) (sd, verbose); } /* Install profiling support in the simulator. */ @@ -948,6 +947,7 @@ profile_install (SIM_DESC sd) sim_module_add_init_fn (sd, profile_pc_init); #endif sim_module_add_uninstall_fn (sd, profile_uninstall); + sim_module_add_info_fn (sd, profile_info); return SIM_RC_OK; } diff --git a/sim/common/sim-profile.h b/sim/common/sim-profile.h new file mode 100644 index 0000000..12ccffb --- /dev/null +++ b/sim/common/sim-profile.h @@ -0,0 +1,247 @@ +/* Profile header for simulators using common framework. + Copyright (C) 1996, 1997 Free Software Foundation, Inc. + Contributed by Cygnus Support. + +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. */ + +#ifndef SIM_PROFILE_H +#define SIM_PROFILE_H + +#ifndef WITH_PROFILE +Error, WITH_PROFILE not defined. +#endif + +/* Maximum number of profilable entities. */ +#ifndef MAX_PROFILE_VALUES +#define MAX_PROFILE_VALUES 8 +#endif + +/* Standard profilable entities. */ +#define PROFILE_INSN_IDX 0 +#define PROFILE_MEMORY_IDX 1 +#define PROFILE_MODEL_IDX 2 +#define PROFILE_SCACHE_IDX 3 +#define PROFILE_PC_IDX 4 +#define PROFILE_CORE_IDX 5 +#define PROFILE_NEXT_IDX 6 /* simulator specific profile bits begin here */ + +/* Masks so WITH_PROFILE can have symbolic values. */ +#define PROFILE_insn 1 +#define PROFILE_memory 2 +#define PROFILE_model 4 +#define PROFILE_scache 8 +#define PROFILE_pc 16 +#define PROFILE_core 32 + +/* Preprocessor macros to simplify tests of WITH_PROFILE. */ +#define WITH_PROFILE_INSN_P (WITH_PROFILE & PROFILE_insn) +#define WITH_PROFILE_MEMORY_P (WITH_PROFILE & PROFILE_memory) +#define WITH_PROFILE_MODEL_P (WITH_PROFILE & PROFILE_model) +#define WITH_PROFILE_SCACHE_P (WITH_PROFILE & PROFILE_scache) +#define WITH_PROFILE_PC_P (WITH_PROFILE & PROFILE_pc) +#define WITH_PROFILE_CORE_P (WITH_PROFILE & PROFILE_core) + +/* If MAX_INSNS isn't defined, we can't do instruction profiling. + ??? It is intended that this is a temporary occurence. Normally + MAX_INSNS is defined. */ +#ifndef MAX_INSNS +#undef WITH_PROFILE_INSN_P +#define WITH_PROFILE_INSN_P 0 +#endif + +/* If MAX_MODES isn't defined, we can't do memory profiling. + ??? It is intended that this is a temporary occurence. Normally + MAX_MODES is defined. */ +#ifndef MAX_MODES +#undef WITH_PROFILE_MEMORY_P +#define WITH_PROFILE_MEMORY_P 0 +#endif + +/* Only build MODEL code when the target simulator has support for it */ +#ifndef SIM_HAVE_MODEL +#undef WITH_PROFILE_MODEL_P +#define WITH_PROFILE_MODEL_P 0 +#endif + +/* Profiling install handler. */ +MODULE_INSTALL_FN profile_install; + +/* Output format macros. */ +#ifndef PROFILE_HISTOGRAM_WIDTH +#define PROFILE_HISTOGRAM_WIDTH 40 +#endif +#ifndef PROFILE_LABEL_WIDTH +#define PROFILE_LABEL_WIDTH 32 +#endif + +/* Callbacks for internal profile_info. + The callbacks may be NULL meaning there isn't one. + Note that results are indented two spaces to distinguish them from + section titles. + If non-NULL, PROFILE_CALLBACK is called to print extra non-cpu related data. + If non-NULL, PROFILE_CPU_CALLBACK is called to print extra cpu related data. + */ + +typedef void (PROFILE_INFO_CALLBACK_FN) (SIM_DESC, int); +struct _sim_cpu; /* forward reference */ +typedef void (PROFILE_INFO_CPU_CALLBACK_FN) (struct _sim_cpu *cpu, int verbose); + + +/* Struct containing most profiling data. + It doesn't contain all profiling data because for example scache data + is kept with the rest of scache support. */ + +typedef struct { + /* Boolean array of specified profiling flags. */ + char profile_flags[MAX_PROFILE_VALUES]; +#define PROFILE_FLAGS(p) ((p)->profile_flags) + + /* The total insn count is tracked separately. + It is always computed, regardless of insn profiling. */ + unsigned long total_insn_count; +#define PROFILE_TOTAL_INSN_COUNT(p) ((p)->total_insn_count) + + /* Execution time in milliseconds. */ + unsigned long exec_time; +#define PROFILE_EXEC_TIME(p) ((p)->exec_time) + +#if WITH_PROFILE_INSN_P + unsigned int insn_count[MAX_INSNS]; +#define PROFILE_INSN_COUNT(p) ((p)->insn_count) +#endif + +#if WITH_PROFILE_MEMORY_P + unsigned int read_count[MAX_MODES]; +#define PROFILE_READ_COUNT(p) ((p)->read_count) + unsigned int write_count[MAX_MODES]; +#define PROFILE_WRITE_COUNT(p) ((p)->write_count) +#endif + +#if WITH_PROFILE_CORE_P + /* Count read/write/exec accesses separatly. */ + unsigned int core_count[nr_sim_core_maps]; +#define PROFILE_CORE_COUNT(p) ((p)->core_count) +#endif + +#if WITH_PROFILE_MODEL_P + /* Total cycle count (less stalls). */ + unsigned long cycle_count; +#define PROFILE_MODEL_CYCLE_COUNT(p) ((p)->cycle_count) + /* Stalls due to branches. */ + unsigned long cti_stall_count; +#define PROFILE_MODEL_CTI_STALL_COUNT(p) ((p)->cti_stall_count) + unsigned long load_stall_count; +#define PROFILE_MODEL_LOAD_STALL_COUNT(p) ((p)->load_stall_count) + /* Taken and not-taken branches (and other cti's). */ +#define PROFILE_TOTAL_CYCLE_COUNT(p) \ +(PROFILE_MODEL_CYCLE_COUNT(p) \ + + PROFILE_MODEL_CTI_STALL_COUNT(p) \ + + PROFILE_MODEL_LOAD_STALL_COUNT(p)) + + unsigned long taken_count, untaken_count; +#define PROFILE_MODEL_TAKEN_COUNT(p) ((p)->taken_count) +#define PROFILE_MODEL_UNTAKEN_COUNT(p) ((p)->untaken_count) +#endif + +#if WITH_PROFILE_PC_P + /* PC profiling attempts to determine function usage by sampling the PC + every so many instructions. */ + unsigned int profile_pc_freq; +#define PROFILE_PC_FREQ(p) ((p)->profile_pc_freq) + unsigned int profile_pc_nr_buckets; +#define PROFILE_PC_NR_BUCKETS(p) ((p)->profile_pc_nr_buckets) + address_word profile_pc_start; +#define PROFILE_PC_START(p) ((p)->profile_pc_start) + address_word profile_pc_end; +#define PROFILE_PC_END(p) ((p)->profile_pc_end) + unsigned profile_pc_shift; +#define PROFILE_PC_SHIFT(p) ((p)->profile_pc_shift) +#define PROFILE_PC_BUCKET_SIZE(p) (PROFILE_PC_SHIFT (p) ? (1 << PROFILE_PC_SHIFT (p)) : 0) + unsigned *profile_pc_count; +#define PROFILE_PC_COUNT(p) ((p)->profile_pc_count) + sim_event *profile_pc_event; +#define PROFILE_PC_EVENT(p) ((p)->profile_pc_event) +#endif + + /* Profile output goes to this or stderr if NULL. + We can't store `stderr' here as stderr goes through a callback. */ + FILE *profile_file; +#define PROFILE_FILE(p) ((p)->profile_file) + + /* When reporting a profile summary, hook to include per-processor + target specific profile information */ + PROFILE_INFO_CPU_CALLBACK_FN *info_cpu_callback; +#define PROFILE_INFO_CPU_CALLBACK(p) ((p)->info_cpu_callback) + + /* When reporting a profile summary, hook to include common target + specific profile information */ + PROFILE_INFO_CALLBACK_FN *info_callback; +#define STATE_PROFILE_INFO_CALLBACK(sd) \ +(CPU_PROFILE_DATA (STATE_CPU (sd, 0))->info_callback) + +} PROFILE_DATA; + +/* Usage macros. */ + +#define CPU_PROFILE_FLAGS(cpu) PROFILE_FLAGS (CPU_PROFILE_DATA (cpu)) + +#if WITH_PROFILE_INSN_P +#define PROFILE_COUNT_INSN(cpu, pc, insn_num) \ +do { \ + if (CPU_PROFILE_FLAGS (cpu) [PROFILE_INSN_IDX]) \ + ++ PROFILE_INSN_COUNT (CPU_PROFILE_DATA (cpu)) [insn_num]; \ +} while (0) +#else +#define PROFILE_COUNT_INSN(cpu, pc, insn_num) +#endif /* ! insn */ + +#if WITH_PROFILE_MEMORY_P +#define PROFILE_COUNT_READ(cpu, addr, mode_num) \ +do { \ + if (CPU_PROFILE_FLAGS (cpu) [PROFILE_MEMORY_IDX]) \ + ++ PROFILE_READ_COUNT (CPU_PROFILE_DATA (cpu)) [mode_num]; \ +} while (0) +#define PROFILE_COUNT_WRITE(cpu, addr, mode_num) \ +do { \ + if (CPU_PROFILE_FLAGS (cpu) [PROFILE_MEMORY_IDX]) \ + ++ PROFILE_WRITE_COUNT (CPU_PROFILE_DATA (cpu)) [mode_num]; \ +} while (0) +#else +#define PROFILE_COUNT_READ(cpu, addr, mode_num) +#define PROFILE_COUNT_WRITE(cpu, addr, mode_num) +#endif /* ! memory */ + +#if WITH_PROFILE_CORE_P +#define PROFILE_COUNT_CORE(cpu, addr, size, map) \ +do { \ + if (CPU_PROFILE_FLAGS (cpu) [PROFILE_CORE_IDX]) \ + PROFILE_CORE_COUNT (CPU_PROFILE_DATA (cpu)) [map] += 1; \ +} while (0) +#else +#define PROFILE_COUNT_CORE(cpu, addr, size, map) +#endif /* ! core */ + +#if WITH_PROFILE_MODEL_P +/* Model profiling is a bit more complicated so we just provide a macro + to say whether to do it or not. */ +#define PROFILE_MODEL_P(cpu) \ +(CPU_PROFILE_FLAGS (cpu) [PROFILE_MODEL_IDX]) +#else +#define PROFILE_MODEL_P(cpu) 0 +#endif /* ! model */ + +#endif /* SIM_PROFILE_H */ diff --git a/sim/m32r/ChangeLog b/sim/m32r/ChangeLog index 6958fc5..d40632e 100644 --- a/sim/m32r/ChangeLog +++ b/sim/m32r/ChangeLog @@ -1,3 +1,9 @@ +Thu Feb 26 18:38:35 1998 Andrew Cagney + + * sim-if.c (sim_open): Initialize PROFILE_INFO_CPU_CALLBACK. + + * sim-if.c (sim_info): Delete. + start-sanitize-m32rx Fri Feb 27 10:14:29 1998 Doug Evans diff --git a/sim/m32r/Makefile.in b/sim/m32r/Makefile.in index 1ad6bb4..add004b 100644 --- a/sim/m32r/Makefile.in +++ b/sim/m32r/Makefile.in @@ -20,14 +20,18 @@ ## COMMON_PRE_CONFIG_FRAG -M32R_OBJS = m32r.o decode.o extract.o sem.o model.o mloop.o +M32R_OBJS = m32r.o cpu.o decode.o extract.o sem.o model.o mloop.o # start-sanitize-m32rx -M32RX_OBJS = m32rx.o decodex.o semx.o modelx.o mloopx.o +M32RX_OBJS = m32rx.o cpux.o decodex.o semx.o modelx.o mloopx.o # end-sanitize-m32rx SIM_OBJS = \ $(SIM_NEW_COMMON_OBJS) \ - sim-hload.o sim-hrw.o sim-engine.o sim-model.o sim-reason.o \ + sim-engine.o \ + sim-hload.o \ + sim-hrw.o \ + sim-model.o \ + sim-reason.o \ cgen-utils.o cgen-trace.o cgen-scache.o \ sim-if.o arch.o \ $(start-sanitize-m32rx) \ @@ -47,6 +51,9 @@ SIM_EXTRA_CFLAGS = SIM_RUN_OBJS = nrun.o SIM_EXTRA_CLEAN = m32r-clean +# This selects the m32r newlib/libgloss syscall definitions. +NL_TARGET = -DNL_TARGET_m32r + ## COMMON_POST_CONFIG_FRAG arch = m32r @@ -81,10 +88,12 @@ mloop.c: $(srcdir)/../common/genmloop.sh mloop.in Makefile | sed -e 's/@cpu@/m32r/' -e 's/@CPU@/M32R/' >mloop.c mloop.o: mloop.c sem-switch.c $(INCLUDE_DEPS) $(OPS_INCLUDE_DEPS) cpu.h +cpu.o: cpu.c $(INCLUDE_DEPS) $(OPS_INCLUDE_DEPS) cpu.h decode.o: decode.c decode.h $(INCLUDE_DEPS) $(OPS_INCLUDE_DEPS) cpu-opc.h cpu.h extract.o: extract.c decode.h $(INCLUDE_DEPS) $(OPS_INCLUDE_DEPS) cpu.h $(CC) -c $(srcdir)/extract.c $(ALL_CFLAGS) -DSCACHE_P sem.o: sem.c decode.h $(INCLUDE_DEPS) $(OPS_INCLUDE_DEPS) cpu.h + $(CC) -c $(srcdir)/sem.c $(ALL_CFLAGS) -DSCACHE_P model.o: model.c $(INCLUDE_DEPS) cpu-opc.h cpu.h #sem-cache.o: sem.c decode.h $(INCLUDE_DEPS) $(OPS_INCLUDE_DEPS) cpu.h @@ -99,11 +108,12 @@ m32rx.o: m32rx.c $(INCLUDE_DEPS) $(OPS_INCLUDE_DEPS) cpux.h mloopx.c: $(srcdir)/../common/genmloop.sh mloopx.in Makefile rm -f mloopx.c $(SHELL) $(srcdir)/../common/genmloop.sh $(SHELL) \ - -mono -no-scache -no-fast -no-parallel \ + -mono -no-scache -no-fast -parallel \ m32r $(srcdir)/mloopx.in \ | sed -e 's/@cpu@/m32rx/' -e 's/@CPU@/M32RX/' >mloopx.c mloopx.o: mloopx.c readx.c $(INCLUDE_DEPS) $(OPS_INCLUDE_DEPS) cpux.h +cpux.o: cpux.c $(INCLUDE_DEPS) $(OPS_INCLUDE_DEPS) cpux.h decodex.o: decodex.c decodex.h $(INCLUDE_DEPS) $(OPS_INCLUDE_DEPS) cpu-opc.h cpux.h semx.o: semx.c decodex.h $(INCLUDE_DEPS) $(OPS_INCLUDE_DEPS) cpux.h modelx.o: modelx.c $(INCLUDE_DEPS) cpu-opc.h cpux.h diff --git a/sim/m32r/sim-if.c b/sim/m32r/sim-if.c index cb11a27..2335f39 100644 --- a/sim/m32r/sim-if.c +++ b/sim/m32r/sim-if.c @@ -24,9 +24,11 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "libiberty.h" #include "bfd.h" #include "sim-core.h" +#include "targ-vals.h" static SIM_RC alloc_cpu (SIM_DESC, struct _bfd *, char **); static void free_state (SIM_DESC); +static void print_m32r_misc_cpu (SIM_CPU *cpu, int verbose); /* Records simulator descriptor so utilities like m32r_dump_regs can be called from gdb. */ @@ -155,10 +157,15 @@ sim_open (kind, callback, abfd, argv) { int i; - /* Only needed for profiling, but the structure member is small. */ for (i = 0; i < MAX_NR_PROCESSORS; ++i) - memset (& CPU_M32R_MISC_PROFILE (STATE_CPU (sd, i)), 0, - sizeof (CPU_M32R_MISC_PROFILE (STATE_CPU (sd, i)))); + { + /* Only needed for profiling, but the structure member is small. */ + memset (& CPU_M32R_MISC_PROFILE (STATE_CPU (sd, i)), 0, + sizeof (CPU_M32R_MISC_PROFILE (STATE_CPU (sd, i)))); + /* Hook in callback for reporting these stats */ + PROFILE_INFO_CPU_CALLBACK (CPU_PROFILE_DATA (STATE_CPU (sd, i))) + = print_m32r_misc_cpu; + } } /* Store in a global so things like sparc32_dump_regs can be invoked @@ -185,14 +192,12 @@ sim_create_inferior (sd, abfd, argv, envp) { SIM_CPU *current_cpu = STATE_CPU (sd, 0); SIM_ADDR addr; - SI taddr; if (abfd != NULL) addr = bfd_get_start_address (abfd); else addr = 0; - taddr = endian_h2t_4 (addr); - sim_store_register (sd, PC_REGNUM, (unsigned char *) &taddr, 4); + h_pc_set (current_cpu, addr); #if 0 STATE_ARGV (sd) = sim_copy_argv (argv); @@ -260,14 +265,6 @@ print_m32r_misc_cpu (SIM_CPU *cpu, int verbose) } } -void -sim_info (sd, verbose) - SIM_DESC sd; - int verbose; -{ - profile_print (sd, STATE_VERBOSE_P (sd), NULL, print_m32r_misc_cpu); -} - /* The contents of BUF are in target byte order. */ int @@ -341,3 +338,153 @@ sim_engine_illegal_insn (current_cpu, pc) sim_engine_halt (CPU_STATE (current_cpu), current_cpu, NULL, pc, sim_stopped, SIM_SIGILL); } + +/* Utility fns to access registers, without knowing the current mach. + FIXME: Machine generate? */ + +USI +h_pc_get (SIM_CPU *current_cpu) +{ + switch (STATE_ARCHITECTURE (CPU_STATE (current_cpu))->mach) + { + case bfd_mach_m32r : + return m32r_h_pc_get (current_cpu); +/* start-sanitize-m32rx */ +#ifdef HAVE_CPU_M32RX + case bfd_mach_m32rx : + return m32rx_h_pc_get (current_cpu); +#endif +/* end-sanitize-m32rx */ + default : + abort (); + } +} + +void +h_pc_set (SIM_CPU *current_cpu, USI newval) +{ + switch (STATE_ARCHITECTURE (CPU_STATE (current_cpu))->mach) + { + case bfd_mach_m32r : + m32r_h_pc_set (current_cpu, newval); + break; +/* start-sanitize-m32rx */ +#ifdef HAVE_CPU_M32RX + case bfd_mach_m32rx : + m32rx_h_pc_set (current_cpu, newval); + break; +#endif +/* end-sanitize-m32rx */ + default : + abort (); + } +} + +SI +h_gr_get (SIM_CPU *current_cpu, UINT regno) +{ + switch (STATE_ARCHITECTURE (CPU_STATE (current_cpu))->mach) + { + case bfd_mach_m32r : + return m32r_h_gr_get (current_cpu, regno); +/* start-sanitize-m32rx */ +#ifdef HAVE_CPU_M32RX + case bfd_mach_m32rx : + return m32rx_h_gr_get (current_cpu, regno); +#endif +/* end-sanitize-m32rx */ + default : + abort (); + } +} + +void +h_gr_set (SIM_CPU *current_cpu, UINT regno, SI newval) +{ + switch (STATE_ARCHITECTURE (CPU_STATE (current_cpu))->mach) + { + case bfd_mach_m32r : + m32r_h_gr_set (current_cpu, regno, newval); + break; +/* start-sanitize-m32rx */ +#ifdef HAVE_CPU_M32RX + case bfd_mach_m32rx : + m32rx_h_gr_set (current_cpu, regno, newval); + break; +#endif +/* end-sanitize-m32rx */ + default : + abort (); + } +} + +/* Read/write functions for system call interface. */ + +static int +syscall_read_mem (host_callback *cb, struct cb_syscall *sc, + unsigned long taddr, char *buf, int bytes) +{ + SIM_DESC sd = (SIM_DESC) sc->p1; + SIM_CPU *cpu = (SIM_CPU *) sc->p2; + + return sim_core_read_buffer (sd, cpu, sim_core_read_map, buf, taddr, bytes); +} + +static int +syscall_write_mem (host_callback *cb, struct cb_syscall *sc, + unsigned long taddr, const char *buf, int bytes) +{ + SIM_DESC sd = (SIM_DESC) sc->p1; + SIM_CPU *cpu = (SIM_CPU *) sc->p2; + + return sim_core_write_buffer (sd, cpu, sim_core_write_map, buf, taddr, bytes); +} + +/* Trap support. */ + +void +do_trap (SIM_CPU *current_cpu, int num) +{ + SIM_DESC sd = CPU_STATE (current_cpu); + host_callback *cb = STATE_CALLBACK (sd); + + switch (num) + { + case 0 : + /* Trap 0 is used for system calls. */ + { + CB_SYSCALL s; + + CB_SYSCALL_INIT (&s); + s.func = h_gr_get (current_cpu, 0); + s.arg1 = h_gr_get (current_cpu, 1); + s.arg2 = h_gr_get (current_cpu, 2); + s.arg3 = h_gr_get (current_cpu, 3); + + if (s.func == TARGET_SYS_exit) + { + sim_engine_halt (sd, current_cpu, NULL, h_pc_get (current_cpu), + sim_exited, s.arg1); + } + + s.p1 = (PTR) sd; + s.p2 = (PTR) current_cpu; + s.read_mem = syscall_read_mem; + s.write_mem = syscall_write_mem; + cb_syscall (STATE_CALLBACK (sd), &s); + h_gr_set (current_cpu, 2, s.errcode); + h_gr_set (current_cpu, 0, s.result); + h_gr_set (current_cpu, 1, s.result2); + break; + } + + case 1: /* breakpoint trap */ + sim_engine_halt (sd, current_cpu, NULL, NULL_CIA, + sim_stopped, SIM_SIGTRAP); + break; + + default : + /* Unless environment operating, ignore other traps. */ + break; + } +} diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog index bfda50a..9b2a8e5 100644 --- a/sim/mips/ChangeLog +++ b/sim/mips/ChangeLog @@ -1,3 +1,11 @@ +Fri Feb 27 13:49:49 1998 Andrew Cagney + + * sim-main.h (HIACCESS, LOACCESS): Always define. + + * mdmx.igen (Maxi, Mini): Rename Max, Min. + + * interp.c (sim_info): Delete. + Fri Feb 27 18:41:01 1998 Doug Evans * interp.c (DECLARE_OPTION_HANDLER): Use it. diff --git a/sim/mips/interp.c b/sim/mips/interp.c index ec9bd0c..5de00e3 100644 --- a/sim/mips/interp.c +++ b/sim/mips/interp.c @@ -781,43 +781,6 @@ sim_fetch_register (sd,rn,memory,length) } -void -sim_info (sd,verbose) - SIM_DESC sd; - int verbose; -{ - /* Accessed from the GDB "info files" command: */ - if (STATE_VERBOSE_P (sd) || verbose) - { - - sim_io_printf (sd, "MIPS %d-bit %s endian simulator\n", - WITH_TARGET_WORD_BITSIZE, - (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN ? "Big" : "Little")); - -#if !defined(FASTSIM) - /* It would be a useful feature, if when performing multi-cycle - simulations (rather than single-stepping) we keep the start and - end times of the execution, so that we can give a performance - figure for the simulator. */ -#endif /* !FASTSIM */ - sim_io_printf (sd, "Number of execution cycles = %ld\n", - (long) sim_events_time (sd)); - - /* print information pertaining to MIPS ISA and architecture being simulated */ - /* things that may be interesting */ - /* instructions executed - if available */ - /* cycles executed - if available */ - /* pipeline stalls - if available */ - /* virtual time taken */ - /* profiling size */ - /* profiling frequency */ - /* profile minpc */ - /* profile maxpc */ - } - profile_print (sd, STATE_VERBOSE_P (sd), NULL, NULL); -} - - SIM_RC sim_create_inferior (sd, abfd, argv,env) SIM_DESC sd; diff --git a/sim/mips/mdmx.igen b/sim/mips/mdmx.igen index e10d7d2..5222863 100644 --- a/sim/mips/mdmx.igen +++ b/sim/mips/mdmx.igen @@ -1,3 +1,4 @@ +// -*- C -*- // Media Instructions // ------------------ @@ -539,7 +540,7 @@ // Vector Maximum. -:function:64,f::signed:Max:int scale, signed l, signed r +:function:64,f::signed:Maxi:int scale, signed l, signed r *mdmx: // start-sanitize-vr5400 *vr5400: @@ -562,16 +563,16 @@ int scale = get_scale (SD_, SEL); for (i = 0; i < (8 >> scale); i++) store_vr (SD_, scale, VD, i, - Max (SD_, scale, - value_vr (SD_, scale, VS, i), - select_vr (SD_, SEL, VT, i))); + Maxi (SD_, scale, + value_vr (SD_, scale, VS, i), + select_vr (SD_, SEL, VT, i))); } // Vector Minimum. -:function:64,f::signed:Min:int scale, signed l, signed r +:function:64,f::signed:Mini:int scale, signed l, signed r *mdmx: // start-sanitize-vr5400 *vr5400: @@ -594,9 +595,9 @@ int scale = get_scale (SD_, SEL); for (i = 0; i < (8 >> scale); i++) store_vr (SD_, scale, VD, i, - Min (SD_, scale, - value_vr (SD_, scale, VS, i), - select_vr (SD_, SEL, VT, i))); + Mini (SD_, scale, + value_vr (SD_, scale, VS, i), + select_vr (SD_, SEL, VT, i))); } diff --git a/sim/mips/sim-main.h b/sim/mips/sim-main.h index 5dd7071..f9a9278 100644 --- a/sim/mips/sim-main.h +++ b/sim/mips/sim-main.h @@ -589,7 +589,6 @@ struct _sim_cpu { #define LLBIT ((CPU)->llbit) -#if 0 /* The HIACCESS and LOACCESS counts are used to ensure that corruptions caused by using the HI or LO register to close to a following operation are spotted. */ @@ -599,6 +598,7 @@ struct _sim_cpu { #define HIACCESS ((CPU)->hiaccess) #define LOACCESS ((CPU)->loaccess) +#if 0 unsigned_word HLPC; /* If either of the preceding two instructions have accessed the HI or LO registers, then the values they see should be diff --git a/sim/tic80/ChangeLog b/sim/tic80/ChangeLog index cd494e5..4ab9129 100644 --- a/sim/tic80/ChangeLog +++ b/sim/tic80/ChangeLog @@ -1,3 +1,7 @@ +Thu Feb 26 19:08:37 1998 Andrew Cagney + + * sim-calls.c (sim_info): Delete. + Tue Feb 17 14:35:05 1998 Michael Meissner * misc.c (tic80_trace_cond_br): Take size/code arguments, and diff --git a/sim/tic80/Makefile.in b/sim/tic80/Makefile.in index c2ddcdb..45a1862 100644 --- a/sim/tic80/Makefile.in +++ b/sim/tic80/Makefile.in @@ -13,14 +13,14 @@ SIM_OBJS = \ $(SIM_NEW_COMMON_OBJS) \ support.o idecode.o semantics.o itable.o misc.o \ + sim-engine.o \ sim-calls.o \ sim-hload.o \ sim-hrw.o \ - sim-engine.o \ - sim-run.o \ + sim-reason.o \ sim-resume.o \ + sim-run.o \ sim-stop.o \ - sim-reason.o # List of extra dependencies. # Generally this consists of simulator specific files included by sim-main.h. diff --git a/sim/tic80/sim-calls.c b/sim/tic80/sim-calls.c index b3130df..c60bd9b 100644 --- a/sim/tic80/sim-calls.c +++ b/sim/tic80/sim-calls.c @@ -168,12 +168,6 @@ sim_store_register (SIM_DESC sd, int regnr, unsigned char *buf, int length) } -void -sim_info (SIM_DESC sd, int verbose) -{ -} - - SIM_RC sim_create_inferior (SIM_DESC sd, struct _bfd *abfd, diff --git a/sim/v850/ChangeLog b/sim/v850/ChangeLog index 3e6b935..357c593 100644 --- a/sim/v850/ChangeLog +++ b/sim/v850/ChangeLog @@ -1,3 +1,19 @@ +Thu Feb 26 19:09:47 1998 Andrew Cagney + + * interp.c (sim_info): Delete. + +Wed Feb 18 10:47:32 1998 Andrew Cagney + + * sim-main.h (TRACE_ALU_INPUT*): Delete. Moved to sim-trace.[hc]. + + * simops.c (trace_result): Call trace_generic instead of + trace_one_insn. + (trace_module): Change variable type to integer. + (trace_input): Initialize trace_module with TRACE_ALU_IDX. + + * sim-main.h (trace_module): Change variable decl to integer type. + (TRACE_BRANCH*, TRACE_LD, TRACE_ST): Update. + Tue Feb 17 12:51:18 1998 Andrew Cagney * interp.c (sim_store_register, sim_fetch_register): Pass in diff --git a/sim/v850/interp.c b/sim/v850/interp.c index 3532011..d111590 100644 --- a/sim/v850/interp.c +++ b/sim/v850/interp.c @@ -1,7 +1,7 @@ -#include #include "sim-main.h" #include "sim-options.h" #include "v850_sim.h" +#include "sim-assert.h" #ifdef HAVE_STDLIB_H #include @@ -188,6 +188,8 @@ sim_open (kind, cb, abfd, argv) SIM_DESC sd = sim_state_alloc (kind, cb); int mach; + SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); + /* for compatibility */ simulator = sd; @@ -262,18 +264,16 @@ sim_open (kind, cb, abfd, argv) case bfd_mach_v850: /* start-sanitize-v850e */ case bfd_mach_v850e: - /* end-sanitize-v850e */ STATE_CPU (sd, 0)->psw_mask = (PSW_NP | PSW_EP | PSW_ID | PSW_SAT | PSW_CY | PSW_OV | PSW_S | PSW_Z); break; - /* start-sanitize-v850eq */ - case bfd_mach_v850eq: + case bfd_mach_v850ea: PSW |= PSW_US; STATE_CPU (sd, 0)->psw_mask = (PSW_US | PSW_NP | PSW_EP | PSW_ID | PSW_SAT | PSW_CY | PSW_OV | PSW_S | PSW_Z); break; - /* end-sanitize-v850eq */ + /* end-sanitize-v850e */ } return sd; @@ -295,14 +295,6 @@ sim_stop (sd) return 0; } -void -sim_info (sd, verbose) - SIM_DESC sd; - int verbose; -{ - profile_print (sd, STATE_VERBOSE_P (sd), NULL, NULL); -} - SIM_RC sim_create_inferior (sd, prog_bfd, argv, env) SIM_DESC sd; @@ -313,32 +305,36 @@ sim_create_inferior (sd, prog_bfd, argv, env) memset (&State, 0, sizeof (State)); if (prog_bfd != NULL) PC = bfd_get_start_address (prog_bfd); - /* start-sanitize-v850eq */ - /* For v850eq, set PSW[US] by default */ + /* start-sanitize-v850e */ + /* For v850ea, set PSW[US] by default */ if (STATE_ARCHITECTURE (sd) != NULL && STATE_ARCHITECTURE (sd)->arch == bfd_arch_v850 - && STATE_ARCHITECTURE (sd)->mach == bfd_mach_v850eq) + && STATE_ARCHITECTURE (sd)->mach == bfd_mach_v850ea) PSW |= PSW_US; - /* end-sanitize-v850eq */ + /* end-sanitize-v850e */ return SIM_RC_OK; } -void -sim_fetch_register (sd, rn, memory) +int +sim_fetch_register (sd, rn, memory, length) SIM_DESC sd; int rn; unsigned char *memory; + int length; { *(unsigned32*)memory = H2T_4 (State.regs[rn]); + return -1; } -void -sim_store_register (sd, rn, memory) +int +sim_store_register (sd, rn, memory, length) SIM_DESC sd; int rn; unsigned char *memory; + int length; { State.regs[rn] = T2H_4 (*(unsigned32*)memory); + return -1; } void