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-rw-r--r--src/common/page_table.cpp43
1 files changed, 17 insertions, 26 deletions
diff --git a/src/common/page_table.cpp b/src/common/page_table.cpp
index 3205eb7dab..d34ba89993 100644
--- a/src/common/page_table.cpp
+++ b/src/common/page_table.cpp
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
@@ -22,37 +25,25 @@ bool PageTable::ContinueTraversal(TraversalEntry* out_entry, TraversalContext* c
// Setup invalid defaults.
out_entry->phys_addr = 0;
out_entry->block_size = page_size;
-
- // Regardless of whether the page was mapped, advance on exit.
- SCOPE_EXIT {
- context->next_page += 1;
- context->next_offset += page_size;
- };
-
// Validate that we can read the actual entry.
- const auto page = context->next_page;
- if (page >= backing_addr.size()) {
- return false;
+ if (auto const page = context->next_page; page < entries.size()) {
+ // Validate that the entry is mapped.
+ if (auto const paddr = entries[page].addr; paddr != 0) {
+ // Populate the results.
+ out_entry->phys_addr = paddr + context->next_offset;
+ context->next_page += 1;
+ context->next_offset += page_size;
+ return true;
+ }
}
-
- // Validate that the entry is mapped.
- const auto phys_addr = backing_addr[page];
- if (phys_addr == 0) {
- return false;
- }
-
- // Populate the results.
- out_entry->phys_addr = phys_addr + context->next_offset;
-
- return true;
+ context->next_page += 1;
+ context->next_offset += page_size;
+ return false;
}
void PageTable::Resize(std::size_t address_space_width_in_bits, std::size_t page_size_in_bits) {
- const std::size_t num_page_table_entries{1ULL
- << (address_space_width_in_bits - page_size_in_bits)};
- pointers.resize(num_page_table_entries);
- backing_addr.resize(num_page_table_entries);
- blocks.resize(num_page_table_entries);
+ auto const num_page_table_entries = 1ULL << (address_space_width_in_bits - page_size_in_bits);
+ entries.resize(num_page_table_entries);
current_address_space_width_in_bits = address_space_width_in_bits;
page_size = 1ULL << page_size_in_bits;
}