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target-sparc: Implement CPUClass::parse_features() for SPARCCPU 

Factor cpu_model parsing out of cpu_sparc_find_by_name() by passing
cpu_sparc_find_by_name() the name portion only and calling
CPUClass::parse_features() from cpu_sparc_register() afterwards.

Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2014-03-04 00:38:58 +01:00
parent db5d39f786
commit 433ac7a968
1 changed files with 49 additions and 33 deletions
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82
target-sparc/cpu.c
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@ -70,16 +70,32 @@ static void sparc_cpu_reset(CPUState *s)
env->cache_control = 0;
}
static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model)
static int cpu_sparc_register(SPARCCPU *cpu, const char *cpu_model)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
CPUSPARCState *env = &cpu->env;
char *s = g_strdup(cpu_model);
char *featurestr, *name = strtok(s, ",");
sparc_def_t def1, *def = &def1;
Error *err = NULL;
if (cpu_sparc_find_by_name(def, cpu_model) < 0) {
if (cpu_sparc_find_by_name(def, name) < 0) {
g_free(s);
return -1;
}
env->def = g_new0(sparc_def_t, 1);
memcpy(env->def, def, sizeof(*def));
featurestr = strtok(NULL, ",");
cc->parse_features(CPU(cpu), featurestr, &err);
g_free(s);
if (err) {
error_report("%s", error_get_pretty(err));
error_free(err);
return -1;
}
#if defined(CONFIG_USER_ONLY)
if ((env->def->features & CPU_FEATURE_FLOAT)) {
env->def->features |= CPU_FEATURE_FLOAT128;
@ -104,12 +120,10 @@ static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model)
SPARCCPU *cpu_sparc_init(const char *cpu_model)
{
SPARCCPU *cpu;
CPUSPARCState *env;
cpu = SPARC_CPU(object_new(TYPE_SPARC_CPU));
env = &cpu->env;
if (cpu_sparc_register(env, cpu_model) < 0) {
if (cpu_sparc_register(cpu, cpu_model) < 0) {
object_unref(OBJECT(cpu));
return NULL;
}
@ -510,16 +524,10 @@ static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features)
error_report("CPU feature %s not found", flagname);
}
static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model)
static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *name)
{
unsigned int i;
const sparc_def_t *def = NULL;
char *s = g_strdup(cpu_model);
char *featurestr, *name = strtok(s, ",");
uint32_t plus_features = 0;
uint32_t minus_features = 0;
uint64_t iu_version;
uint32_t fpu_version, mmu_version, nwindows;
for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
if (strcasecmp(name, sparc_defs[i].name) == 0) {
@ -527,11 +535,24 @@ static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model)
}
}
if (!def) {
goto error;
return -1;
}
memcpy(cpu_def, def, sizeof(*def));
return 0;
}
featurestr = strtok(NULL, ",");
static void sparc_cpu_parse_features(CPUState *cs, char *features,
Error **errp)
{
SPARCCPU *cpu = SPARC_CPU(cs);
sparc_def_t *cpu_def = cpu->env.def;
char *featurestr;
uint32_t plus_features = 0;
uint32_t minus_features = 0;
uint64_t iu_version;
uint32_t fpu_version, mmu_version, nwindows;
featurestr = features ? strtok(features, ",") : NULL;
while (featurestr) {
char *val;
@ -546,8 +567,8 @@ static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model)
iu_version = strtoll(val, &err, 0);
if (!*val || *err) {
error_report("bad numerical value %s", val);
goto error;
error_setg(errp, "bad numerical value %s", val);
return;
}
cpu_def->iu_version = iu_version;
#ifdef DEBUG_FEATURES
@ -558,8 +579,8 @@ static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model)
fpu_version = strtol(val, &err, 0);
if (!*val || *err) {
error_report("bad numerical value %s", val);
goto error;
error_setg(errp, "bad numerical value %s", val);
return;
}
cpu_def->fpu_version = fpu_version;
#ifdef DEBUG_FEATURES
@ -570,8 +591,8 @@ static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model)
mmu_version = strtol(val, &err, 0);
if (!*val || *err) {
error_report("bad numerical value %s", val);
goto error;
error_setg(errp, "bad numerical value %s", val);
return;
}
cpu_def->mmu_version = mmu_version;
#ifdef DEBUG_FEATURES
@ -583,21 +604,21 @@ static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model)
nwindows = strtol(val, &err, 0);
if (!*val || *err || nwindows > MAX_NWINDOWS ||
nwindows < MIN_NWINDOWS) {
error_report("bad numerical value %s", val);
goto error;
error_setg(errp, "bad numerical value %s", val);
return;
}
cpu_def->nwindows = nwindows;
#ifdef DEBUG_FEATURES
fprintf(stderr, "nwindows %d\n", nwindows);
#endif
} else {
error_report("unrecognized feature %s", featurestr);
goto error;
error_setg(errp, "unrecognized feature %s", featurestr);
return;
}
} else {
error_report("feature string `%s' not in format "
"(+feature|-feature|feature=xyz)", featurestr);
goto error;
error_setg(errp, "feature string `%s' not in format "
"(+feature|-feature|feature=xyz)", featurestr);
return;
}
featurestr = strtok(NULL, ",");
}
@ -606,12 +627,6 @@ static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model)
#ifdef DEBUG_FEATURES
print_features(stderr, fprintf, cpu_def->features, NULL);
#endif
g_free(s);
return 0;
error:
g_free(s);
return -1;
}
void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf)
@ -792,6 +807,7 @@ static void sparc_cpu_class_init(ObjectClass *oc, void *data)
scc->parent_reset = cc->reset;
cc->reset = sparc_cpu_reset;
cc->parse_features = sparc_cpu_parse_features;
cc->has_work = sparc_cpu_has_work;
cc->do_interrupt = sparc_cpu_do_interrupt;
cc->dump_state = sparc_cpu_dump_state;