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Initialize MMU recently used regions in ppc_mmu_init

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More encapsulated and allows re-initialization.
This commit is contained in:
Mihai Parparita 2024-03-07 23:25:50 -08:00
parent 7226fe5303
commit c7d2eb87ac
1 changed files with 11 additions and 5 deletions
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16
cpu/ppc/ppcmmu.cpp
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@ -77,11 +77,11 @@ uint64_t num_entry_replacements = 0; // number of entry replacements
#endif // TLB_PROFILING
/** remember recently used physical memory regions for quicker translation. */
AddressMapEntry last_read_area = {0xFFFFFFFF, 0xFFFFFFFF, 0, 0, nullptr, nullptr};
AddressMapEntry last_write_area = {0xFFFFFFFF, 0xFFFFFFFF, 0, 0, nullptr, nullptr};
AddressMapEntry last_exec_area = {0xFFFFFFFF, 0xFFFFFFFF, 0, 0, nullptr, nullptr};
AddressMapEntry last_ptab_area = {0xFFFFFFFF, 0xFFFFFFFF, 0, 0, nullptr, nullptr};
AddressMapEntry last_dma_area = {0xFFFFFFFF, 0xFFFFFFFF, 0, 0, nullptr, nullptr};
AddressMapEntry last_read_area;
AddressMapEntry last_write_area;
AddressMapEntry last_exec_area;
AddressMapEntry last_ptab_area;
AddressMapEntry last_dma_area;
/** 601-style block address translation. */
static BATResult mpc601_block_address_translation(uint32_t la)
@ -2020,6 +2020,12 @@ static void invalidate_tlb_entries(std::array<TLBEntry, N> &tlb) {
void ppc_mmu_init()
{
last_read_area = {0xFFFFFFFF, 0xFFFFFFFF, 0, 0, nullptr, nullptr};
last_write_area = {0xFFFFFFFF, 0xFFFFFFFF, 0, 0, nullptr, nullptr};
last_exec_area = {0xFFFFFFFF, 0xFFFFFFFF, 0, 0, nullptr, nullptr};
last_ptab_area = {0xFFFFFFFF, 0xFFFFFFFF, 0, 0, nullptr, nullptr};
last_dma_area = {0xFFFFFFFF, 0xFFFFFFFF, 0, 0, nullptr, nullptr};
mmu_exception_handler = ppc_exception_handler;
if (is_601) {