Macintosh-Tools/dingusppc
1
0
Fork 0
mirror of https://github.com/dingusdev/dingusppc.git synced 2025-01-23 06:31:28 +00:00
Code Issues Projects Releases Wiki Activity

ppcmmu: Shorten tlb_flush_entries.

Browse Source
This commit is contained in:
joevt 2023-08-25 00:09:40 -07:00 committed by dingusdev
parent cd097232cb
commit 318e035344
1 changed files with 21 additions and 46 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

67
cpu/ppc/ppcmmu.cpp
View File

@ -772,6 +772,15 @@ void tlb_flush_entry(uint32_t ea)
tlb_flush_secondary_entry(dtlb2_mode3, tag);
}
template <std::size_t N>
static void tlb_flush_entries(std::array<TLBEntry, N> &tlb, TLBFlags type) {
for (auto &tlb_el : tlb) {
if (tlb_el.tag != TLB_INVALID_TAG && tlb_el.flags & type) {
tlb_el.tag = TLB_INVALID_TAG;
}
}
}
template <const TLBType tlb_type>
void tlb_flush_entries(TLBFlags type)
{
@ -779,53 +788,19 @@ void tlb_flush_entries(TLBFlags type)
int i;
if (tlb_type == TLBType::ITLB) {
m1_tlb = &itlb1_mode1[0];
m2_tlb = &itlb1_mode2[0];
m3_tlb = &itlb1_mode3[0];
tlb_flush_entries(itlb1_mode1, type);
tlb_flush_entries(itlb1_mode2, type);
tlb_flush_entries(itlb1_mode3, type);
tlb_flush_entries(itlb2_mode1, type);
tlb_flush_entries(itlb2_mode2, type);
tlb_flush_entries(itlb2_mode3, type);
} else {
m1_tlb = &dtlb1_mode1[0];
m2_tlb = &dtlb1_mode2[0];
m3_tlb = &dtlb1_mode3[0];
}
// Flush entries from the primary TLBs
for (i = 0; i < TLB_SIZE; i++) {
if (m1_tlb[i].flags & type) {
m1_tlb[i].tag = TLB_INVALID_TAG;
}
if (m2_tlb[i].flags & type) {
m2_tlb[i].tag = TLB_INVALID_TAG;
}
if (m3_tlb[i].flags & type) {
m3_tlb[i].tag = TLB_INVALID_TAG;
}
}
if (tlb_type == TLBType::ITLB) {
m1_tlb = &itlb2_mode1[0];
m2_tlb = &itlb2_mode2[0];
m3_tlb = &itlb2_mode3[0];
} else {
m1_tlb = &dtlb2_mode1[0];
m2_tlb = &dtlb2_mode2[0];
m3_tlb = &dtlb2_mode3[0];
}
// Flush entries from the secondary TLBs
for (i = 0; i < TLB_SIZE * TLB2_WAYS; i++) {
if (m1_tlb[i].flags & type) {
m1_tlb[i].tag = TLB_INVALID_TAG;
}
if (m2_tlb[i].flags & type) {
m2_tlb[i].tag = TLB_INVALID_TAG;
}
if (m3_tlb[i].flags & type) {
m3_tlb[i].tag = TLB_INVALID_TAG;
}
tlb_flush_entries(dtlb1_mode1, type);
tlb_flush_entries(dtlb1_mode2, type);
tlb_flush_entries(dtlb1_mode3, type);
tlb_flush_entries(dtlb2_mode1, type);
tlb_flush_entries(dtlb2_mode2, type);
tlb_flush_entries(dtlb2_mode3, type);
}
}