Macintosh-Tools/dingusppc
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debugger: Parse BAT registers.

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joevt authored and dingusdev committed 2026-04-11 10:26:06 -07:00
1 parent 52631da7c7
commit e689d62067
2 files changed
+20 -11
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debugger/debugger.cpp
+17 -11
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@@ -526,18 +526,24 @@ static void print_mmu_regs()
printf("\nBAT registers:\n");
for (int i = 0; i < 4; i++) {
printf(" ibat%du : %08X ibat%dl : %08X\n",
i, ppc_state.spr[528+i*2],
i, ppc_state.spr[529+i*2]);
}
if (!is_601) {
for (int i = 0; i < 4; i++) {
printf(" dbat%du : %08X dbat%dl : %08X\n",
i, ppc_state.spr[536+i*2],
i, ppc_state.spr[537+i*2]);
for (int i = 0; i < 4 + (is_601 ? 0 : 4); i++) {
PPC_BAT_entry *bat_entry = i < 4 ? ibat_array : dbat_array;
bat_entry = &bat_entry[i & 3];
printf(" %sbat%du : %08X ibat%dl : %08X ; range : %08X..%08X -> %08X..%08X access : %s%s protection : %s%s",
is_601 ? "" : i < 4 ? "i" : "d",
i & 3, ppc_state.spr[528+i*2],
i & 3, ppc_state.spr[529+i*2],
bat_entry->bepi, bat_entry->bepi + ~bat_entry->hi_mask,
bat_entry->phys_hi, bat_entry->phys_hi + ~bat_entry->hi_mask,
bat_entry->access & 2 ? is_601 ? "Ks" : "Vs" : "__",
bat_entry->access & 1 ? is_601 ? "Ku" : "Vp" : "__",
bat_entry->prot & 2 ? "P" : "_",
bat_entry->prot & 1 ? "P" : "_"
);
if (is_601) {
printf(" (%s)", bat_entry->valid ? "valid" : "invalid");
}
printf("\n");
}
printf("\n");