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/*
* Target-specific parts of the CPU object
*
* Copyright (c) 2003 Fabrice Bellard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qemu/error-report.h"
#include "qemu/qemu-print.h"
#include "system/accel-ops.h"
#include "system/cpus.h"
#include "exec/tswap.h"
#include "exec/replay-core.h"
#include "exec/log.h"
#include "accel/accel-cpu-target.h"
#include "trace/trace-root.h"
char *cpu_model_from_type(const char *typename)
{
const char *suffix = "-" CPU_RESOLVING_TYPE;
if (!object_class_by_name(typename)) {
return NULL;
}
if (g_str_has_suffix(typename, suffix)) {
return g_strndup(typename, strlen(typename) - strlen(suffix));
}
return g_strdup(typename);
}
const char *parse_cpu_option(const char *cpu_option)
{
ObjectClass *oc;
CPUClass *cc;
gchar **model_pieces;
const char *cpu_type;
model_pieces = g_strsplit(cpu_option, ",", 2);
if (!model_pieces[0]) {
error_report("-cpu option cannot be empty");
exit(1);
}
oc = cpu_class_by_name(CPU_RESOLVING_TYPE, model_pieces[0]);
if (oc == NULL) {
error_report("unable to find CPU model '%s'", model_pieces[0]);
g_strfreev(model_pieces);
exit(EXIT_FAILURE);
}
cpu_type = object_class_get_name(oc);
cc = CPU_CLASS(oc);
cc->parse_features(cpu_type, model_pieces[1], &error_fatal);
g_strfreev(model_pieces);
return cpu_type;
}
#ifndef cpu_list
static void cpu_list_entry(gpointer data, gpointer user_data)
{
CPUClass *cc = CPU_CLASS(OBJECT_CLASS(data));
const char *typename = object_class_get_name(OBJECT_CLASS(data));
g_autofree char *model = cpu_model_from_type(typename);
if (cc->deprecation_note) {
qemu_printf(" %s (deprecated)\n", model);
} else {
qemu_printf(" %s\n", model);
}
}
static void cpu_list(void)
{
GSList *list;
list = object_class_get_list_sorted(TYPE_CPU, false);
qemu_printf("Available CPUs:\n");
g_slist_foreach(list, cpu_list_entry, NULL);
g_slist_free(list);
}
#endif
void list_cpus(void)
{
cpu_list();
}
/* enable or disable single step mode. EXCP_DEBUG is returned by the
CPU loop after each instruction */
void cpu_single_step(CPUState *cpu, int enabled)
{
if (cpu->singlestep_enabled != enabled) {
cpu->singlestep_enabled = enabled;
#if !defined(CONFIG_USER_ONLY)
const AccelOpsClass *ops = cpus_get_accel();
if (ops->update_guest_debug) {
ops->update_guest_debug(cpu);
}
#endif
trace_breakpoint_singlestep(cpu->cpu_index, enabled);
}
}
void cpu_abort(CPUState *cpu, const char *fmt, ...)
{
va_list ap;
va_list ap2;
va_start(ap, fmt);
va_copy(ap2, ap);
fprintf(stderr, "qemu: fatal: ");
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
cpu_dump_state(cpu, stderr, CPU_DUMP_FPU | CPU_DUMP_CCOP);
if (qemu_log_separate()) {
FILE *logfile = qemu_log_trylock();
if (logfile) {
fprintf(logfile, "qemu: fatal: ");
vfprintf(logfile, fmt, ap2);
fprintf(logfile, "\n");
cpu_dump_state(cpu, logfile, CPU_DUMP_FPU | CPU_DUMP_CCOP);
qemu_log_unlock(logfile);
}
}
va_end(ap2);
va_end(ap);
replay_finish();
#if defined(CONFIG_USER_ONLY)
{
struct sigaction act;
sigfillset(&act.sa_mask);
act.sa_handler = SIG_DFL;
act.sa_flags = 0;
sigaction(SIGABRT, &act, NULL);
}
#endif
abort();
}
bool target_words_bigendian(void)
{
return TARGET_BIG_ENDIAN;
}
const char *target_name(void)
{
return TARGET_NAME;
}
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