Mirrors/yuzu
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Merge remote-tracking branch 'origin/master' into typos3

Browse source
This commit is contained in:
Viktor Szépe 2024-01-16 00:09:00 +00:00
commit 90ab89a0b0
144 changed files with 5036 additions and 1334 deletions
Download patch file Download diff file Expand all files Collapse all files

34
src/common/page_table.cpp
View file

@ -2,6 +2,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/page_table.h"
#include "common/scope_exit.h"
namespace Common {
@ -11,29 +12,10 @@ PageTable::~PageTable() noexcept = default;
bool PageTable::BeginTraversal(TraversalEntry* out_entry, TraversalContext* out_context,
Common::ProcessAddress address) const {
// Setup invalid defaults.
out_entry->phys_addr = 0;
out_entry->block_size = page_size;
out_context->next_page = 0;
out_context->next_offset = GetInteger(address);
out_context->next_page = address / page_size;
// Validate that we can read the actual entry.
const auto page = address / page_size;
if (page >= backing_addr.size()) {
return false;
}
// 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 + GetInteger(address);
out_context->next_page = page + 1;
out_context->next_offset = GetInteger(address) + page_size;
return true;
return this->ContinueTraversal(out_entry, out_context);
}
bool PageTable::ContinueTraversal(TraversalEntry* out_entry, TraversalContext* context) const {
@ -41,6 +23,12 @@ bool PageTable::ContinueTraversal(TraversalEntry* out_entry, TraversalContext* c
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()) {
@ -55,8 +43,6 @@ bool PageTable::ContinueTraversal(TraversalEntry* out_entry, TraversalContext* c
// Populate the results.
out_entry->phys_addr = phys_addr + context->next_offset;
context->next_page = page + 1;
context->next_offset += page_size;
return true;
}