mirrors/shadPS4
1
0
Fork 0
mirror of https://github.com/shadps4-emu/shadPS4.git synced 2025-07-23 18:45:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

Sync page manager protections

Browse Source
This commit is contained in:
Lander Gallastegi 2025-06-19 21:22:43 +02:00
parent 4c279f64c7
commit 71d5d27ab2
1 changed files with 83 additions and 104 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
src/video_core/page_manager.cpp
View File

@ -57,12 +57,6 @@ struct PageManager::Impl {
}
};
struct UpdateProtectRange {
VAddr addr;
u64 size;
Core::MemoryPermission perms;
};
static constexpr size_t ADDRESS_BITS = 40;
static constexpr size_t NUM_ADDRESS_PAGES = 1ULL << (40 - PAGE_BITS);
inline static Vulkan::Rasterizer* rasterizer;
@ -195,9 +189,6 @@ struct PageManager::Impl {
template <bool track>
void UpdatePageWatchers(VAddr addr, u64 size) {
RENDERER_TRACE;
boost::container::small_vector<UpdateProtectRange, 16> update_ranges;
{
std::scoped_lock lk(lock);
size_t page = addr >> PAGE_BITS;
auto perms = cached_pages[page].Perm();
@ -207,12 +198,14 @@ struct PageManager::Impl {
const auto release_pending = [&] {
if (range_bytes > 0) {
RENDERER_TRACE;
// Add pending (un)protect action
update_ranges.push_back({range_begin << PAGE_BITS, range_bytes, perms});
// Perform pending (un)protect action
Protect(range_begin << PAGE_BITS, range_bytes, perms);
range_bytes = 0;
}
};
std::scoped_lock lk(lock);
// Iterate requested pages
const u64 page_end = Common::DivCeil(addr + size, PAGE_SIZE);
const u64 aligned_addr = page << PAGE_BITS;
@ -247,17 +240,9 @@ struct PageManager::Impl {
release_pending();
}
// Flush deferred protects
for (const auto& range : update_ranges) {
Protect(range.addr, range.size, range.perms);
}
}
template <bool track>
void UpdatePageWatchersMasked(VAddr base_addr, RegionBits& mask) {
RENDERER_TRACE;
boost::container::small_vector<UpdateProtectRange, 16> update_ranges;
auto start_range = mask.FirstRange();
auto end_range = mask.LastRange();
@ -270,9 +255,6 @@ struct PageManager::Impl {
return;
}
{
std::scoped_lock lk(lock);
size_t base_page = (base_addr >> PAGE_BITS);
auto perms = cached_pages[base_page + start_range.first].Perm();
u64 range_begin = 0;
@ -281,12 +263,15 @@ struct PageManager::Impl {
const auto release_pending = [&] {
if (range_bytes > 0) {
RENDERER_TRACE;
// Add pending (un)protect action
update_ranges.push_back({range_begin << PAGE_BITS, range_bytes, perms});
// Perform pending (un)protect action
Protect((range_begin << PAGE_BITS), range_bytes, perms);
range_bytes = 0;
}
};
std::scoped_lock lk(lock);
// Iterate pages
for (size_t page = start_range.first; page < end_range.second; ++page) {
PageState& state = cached_pages[base_page + page];
const bool update = mask.Get(page);
@ -320,12 +305,6 @@ struct PageManager::Impl {
release_pending();
}
// Flush deferred protects
for (const auto& range : update_ranges) {
Protect(range.addr, range.size, range.perms);
}
}
std::array<PageState, NUM_ADDRESS_PAGES> cached_pages{};
#ifdef __linux__
Common::AdaptiveMutex lock;