Add more CPU eligibility checks to config.c

This commit is contained in:
RichardG867
2020-11-18 14:44:27 -03:00
parent 6527f14d76
commit 1ce9241242

View File

@@ -537,7 +537,7 @@ load_machine(void)
if (machine >= machine_count())
machine = machine_count() - 1;
/* Backwards compatibility the previous CPU model system. */
/* Backwards compatibility for the previous CPU model system. */
legacy_mfg = config_get_int(cat, "cpu_manufacturer", 0);
legacy_cpu = config_get_int(cat, "cpu", 0);
if (legacy_mfg || legacy_cpu) {
@@ -564,8 +564,12 @@ load_machine(void)
legacy_cpu -= legacy_table_entry->old_offset;
legacy_cpu += legacy_table_entry->new_offset;
config_set_int(cat, "cpu_speed", legacy_family->cpus[legacy_cpu].rspeed);
config_set_double(cat, "cpu_multi", legacy_family->cpus[legacy_cpu].multi);
while (!cpu_is_eligible(legacy_family, legacy_cpu, machine) && (legacy_family->cpus[legacy_cpu].cpu_type != 0)) /* if the legacy CPU is no longer eligible, bump it up until one is eligible or we're out of CPUs */
legacy_cpu++;
if (legacy_family->cpus[legacy_cpu].cpu_type != 0) { /* store only if an eligible CPU was found; if none are, reset to the first one */
config_set_int(cat, "cpu_speed", legacy_family->cpus[legacy_cpu].rspeed);
config_set_double(cat, "cpu_multi", legacy_family->cpus[legacy_cpu].multi);
}
break;
}
@@ -581,17 +585,25 @@ load_machine(void)
if (cpu_f) {
speed = config_get_int(cat, "cpu_speed", 0);
multi = config_get_double(cat, "cpu_multi", 0);
/* Find the configured CPU. */
c = 0;
i = -1;
while (cpu_f->cpus[c].cpu_type != -1) {
if ((cpu_f->cpus[c].rspeed == speed) && (cpu_f->cpus[c].multi == multi))
break;
if (cpu_is_eligible(cpu_f, c, machine)) { /* skip ineligible CPUs */
if (i == -1) /* store the first eligible CPU */
i = c;
if ((cpu_f->cpus[c].rspeed == speed) && (cpu_f->cpus[c].multi == multi)) /* check if clock speed and multiplier match */
break;
}
c++;
}
if (cpu_f->cpus[c].cpu_type == -1)
c = 0;
if (cpu_f->cpus[c].cpu_type == -1) /* use first eligible CPU if no match was found */
c = MAX(i, 0);
cpu = c;
cpu_s = (CPU *) &cpu_f->cpus[cpu];
} else {
} else { /* default */
/* Find first eligible family. */
c = 0;
while (!cpu_family_is_eligible(&cpu_families[c], machine)) {
if (cpu_families[c++].package == 0) {
@@ -601,6 +613,7 @@ load_machine(void)
}
cpu_f = &cpu_families[c];
/* Find first eligible CPU in that family. */
c = 0;
while (!cpu_is_eligible(cpu_f, c, machine)) {
if (cpu_f->cpus[c++].cpu_type == 0) {