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PPC: Disable non-440 CPUs for ppcemb target

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The sole reason we have the ppcemb target is to support MMUs that have
less than the usual 4k possible page size. There are very few of these
chips and I don't want to add additional QA and testing burden to everyone
to ensure that code still works when TARGET_PAGE_SIZE is not 4k.

So this patch disables all CPUs except for MMU_BOOKE capable ones from
the ppcemb target.

Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf 2011-10-18 02:00:51 +02:00
parent 8b242eba64
commit f0ad8c3401
1 changed files with 24 additions and 0 deletions
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24
target-ppc/translate_init.c
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@ -10047,11 +10047,27 @@ int cpu_ppc_register_internal (CPUPPCState *env, const ppc_def_t *def)
return 0;
}
static bool ppc_cpu_usable(const ppc_def_t *def)
{
#if defined(TARGET_PPCEMB)
/* When using the ppcemb target, we only support 440 style cores */
if (def->mmu_model != POWERPC_MMU_BOOKE) {
return false;
}
#endif
return true;
}
const ppc_def_t *ppc_find_by_pvr(uint32_t pvr)
{
int i;
for (i = 0; i < ARRAY_SIZE(ppc_defs); i++) {
if (!ppc_cpu_usable(&ppc_defs[i])) {
continue;
}
/* If we have an exact match, we're done */
if (pvr == ppc_defs[i].pvr) {
return &ppc_defs[i];
@ -10091,6 +10107,10 @@ const ppc_def_t *cpu_ppc_find_by_name (const char *name)
ret = NULL;
max = ARRAY_SIZE(ppc_defs);
for (i = 0; i < max; i++) {
if (!ppc_cpu_usable(&ppc_defs[i])) {
continue;
}
if (strcasecmp(name, ppc_defs[i].name) == 0) {
ret = &ppc_defs[i];
break;
@ -10106,6 +10126,10 @@ void ppc_cpu_list (FILE *f, fprintf_function cpu_fprintf)
max = ARRAY_SIZE(ppc_defs);
for (i = 0; i < max; i++) {
if (!ppc_cpu_usable(&ppc_defs[i])) {
continue;
}
(*cpu_fprintf)(f, "PowerPC %-16s PVR %08x\n",
ppc_defs[i].name, ppc_defs[i].pvr);
}