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ppcmmu: Shorten ppc_mmu_init. 

Also, initialize all the fields.
This commit is contained in:
joevt 2023-08-24 23:42:30 -07:00 committed by dingusdev
parent 968f503d80
commit b7b783b6be
1 changed files with 25 additions and 89 deletions
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114
cpu/ppc/ppcmmu.cpp
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@ -2046,6 +2046,19 @@ bool mmu_translate_dbg(uint32_t guest_va, uint32_t &guest_pa) {
return is_mapped;
}
template <std::size_t N>
static void invalidate_tlb_entries(std::array<TLBEntry, N> &tlb) {
for (auto &tlb_el : tlb) {
tlb_el.tag = TLB_INVALID_TAG;
tlb_el.flags = 0;
tlb_el.lru_bits = 0;
tlb_el.host_va_offs_r = 0;
tlb_el.host_va_offs_w = 0;
tlb_el.phys_tag = 0;
tlb_el.reserved = 0;
}
}
void ppc_mmu_init()
{
mmu_exception_handler = ppc_exception_handler;
@ -2060,96 +2073,19 @@ void ppc_mmu_init()
}
// invalidate all IDTLB entries
for (auto &tlb_el : itlb1_mode1) {
tlb_el.tag = TLB_INVALID_TAG;
tlb_el.flags = 0;
tlb_el.lru_bits = 0;
tlb_el.host_va_offs_r = 0;
}
for (auto &tlb_el : itlb1_mode2) {
tlb_el.tag = TLB_INVALID_TAG;
tlb_el.flags = 0;
tlb_el.lru_bits = 0;
tlb_el.host_va_offs_r = 0;
}
for (auto &tlb_el : itlb1_mode3) {
tlb_el.tag = TLB_INVALID_TAG;
tlb_el.flags = 0;
tlb_el.lru_bits = 0;
tlb_el.host_va_offs_r = 0;
}
for (auto &tlb_el : itlb2_mode1) {
tlb_el.tag = TLB_INVALID_TAG;
tlb_el.flags = 0;
tlb_el.lru_bits = 0;
tlb_el.host_va_offs_r = 0;
}
for (auto &tlb_el : itlb2_mode2) {
tlb_el.tag = TLB_INVALID_TAG;
tlb_el.flags = 0;
tlb_el.lru_bits = 0;
tlb_el.host_va_offs_r = 0;
}
for (auto &tlb_el : itlb2_mode3) {
tlb_el.tag = TLB_INVALID_TAG;
tlb_el.flags = 0;
tlb_el.lru_bits = 0;
tlb_el.host_va_offs_r = 0;
}
invalidate_tlb_entries(itlb1_mode1);
invalidate_tlb_entries(itlb1_mode2);
invalidate_tlb_entries(itlb1_mode3);
invalidate_tlb_entries(itlb2_mode1);
invalidate_tlb_entries(itlb2_mode2);
invalidate_tlb_entries(itlb2_mode3);
// invalidate all DTLB entries
for (auto &tlb_el : dtlb1_mode1) {
tlb_el.tag = TLB_INVALID_TAG;
tlb_el.flags = 0;
tlb_el.lru_bits = 0;
tlb_el.host_va_offs_r = 0;
tlb_el.host_va_offs_w = 0;
}
for (auto &tlb_el : dtlb1_mode2) {
tlb_el.tag = TLB_INVALID_TAG;
tlb_el.flags = 0;
tlb_el.lru_bits = 0;
tlb_el.host_va_offs_r = 0;
tlb_el.host_va_offs_w = 0;
}
for (auto &tlb_el : dtlb1_mode3) {
tlb_el.tag = TLB_INVALID_TAG;
tlb_el.flags = 0;
tlb_el.lru_bits = 0;
tlb_el.host_va_offs_r = 0;
tlb_el.host_va_offs_w = 0;
}
for (auto &tlb_el : dtlb2_mode1) {
tlb_el.tag = TLB_INVALID_TAG;
tlb_el.flags = 0;
tlb_el.lru_bits = 0;
tlb_el.host_va_offs_r = 0;
tlb_el.host_va_offs_w = 0;
}
for (auto &tlb_el : dtlb2_mode2) {
tlb_el.tag = TLB_INVALID_TAG;
tlb_el.flags = 0;
tlb_el.lru_bits = 0;
tlb_el.host_va_offs_r = 0;
tlb_el.host_va_offs_w = 0;
}
for (auto &tlb_el : dtlb2_mode3) {
tlb_el.tag = TLB_INVALID_TAG;
tlb_el.flags = 0;
tlb_el.lru_bits = 0;
tlb_el.host_va_offs_r = 0;
tlb_el.host_va_offs_w = 0;
}
invalidate_tlb_entries(dtlb1_mode1);
invalidate_tlb_entries(dtlb1_mode2);
invalidate_tlb_entries(dtlb1_mode3);
invalidate_tlb_entries(dtlb2_mode1);
invalidate_tlb_entries(dtlb2_mode2);
invalidate_tlb_entries(dtlb2_mode3);
mmu_change_mode();