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Optimize bulk memory invalidation (#124)

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* Per page -> per range search (optimization)
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nmzik authored and GitHub committed 2026-07-29 05:09:36 +02:00
1 parent 861729fc6c
commit f6e01e5403
16 files changed
+322 -228
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src/kernel/memory.cpp
+23 -23
View File
@@ -66,8 +66,8 @@ constexpr int PAGE_TABLE_POOL_ENTRIES =
static_cast<int>(PAGE_TABLE_POOL_SIZE / PAGE_TABLE_GRANULARITY);
constexpr uint64_t DEFAULT_FLEXIBLE_MEMORY_SIZE = 4ull * 1024ull * 1024ull * 1024ull;
static uint64_t g_flexible_memory_size = DEFAULT_FLEXIBLE_MEMORY_SIZE;
static Graphics::GpuResourceManager* g_gpu_resources = nullptr;
static uint64_t g_flexible_memory_size = DEFAULT_FLEXIBLE_MEMORY_SIZE;
static Graphics::GpuResourceManager* g_gpu_resources = nullptr;
static Graphics::GpuResourceManager& GetGpuResources() {
EXIT_IF(g_gpu_resources == nullptr);
@@ -892,11 +892,11 @@ void WriteBacking(uint64_t vaddr, const void* data, uint64_t size) noexcept {
}
}
void PrepareHostWrite(uint64_t vaddr, uint64_t size) {
void InvalidateMemory(uint64_t vaddr, uint64_t size) {
if (size == 0) {
return;
}
GetGpuResources().PrepareHostWrite(vaddr, size);
(void)GetGpuResources().InvalidateMemory(vaddr, size);
}
void InstallGpuResources(Graphics::GpuResourceManager* resources) noexcept {
@@ -1915,24 +1915,24 @@ int32_t KYTY_SYSV_ABI KernelMapNamedFlexibleMemory(void** addr_in_out, size_t le
EXIT_NOT_IMPLEMENTED(addr_in_out == nullptr);
constexpr size_t PAGE_SIZE = 0x4000;
constexpr size_t MAXIMUM_NAME_SIZE = 32;
constexpr uint64_t DEFAULT_PS5_BASE = 0x200000000;
constexpr int GUEST_MAP_FIXED = 0x10;
constexpr int GUEST_MAP_SHARED = 0x01;
constexpr int GUEST_MAP_PRIVATE = 0x02;
constexpr int GUEST_MAP_NO_OVERWRITE = 0x80;
constexpr int GUEST_MAP_VOID = 0x100;
constexpr int GUEST_MAP_STACK = 0x400;
constexpr int GUEST_MAP_NO_SYNC = 0x800;
constexpr int GUEST_MAP_ANON = 0x1000;
constexpr int GUEST_MAP_UNKNOWN_8000 = 0x8000;
constexpr int GUEST_MAP_NO_CORE = 0x20000;
constexpr int GUEST_MAP_NO_COALESCE = 0x400000;
constexpr int SUPPORTED_MAP_BITS =
GUEST_MAP_SHARED | GUEST_MAP_PRIVATE | GUEST_MAP_FIXED | GUEST_MAP_NO_OVERWRITE |
GUEST_MAP_VOID | GUEST_MAP_STACK | GUEST_MAP_NO_SYNC | GUEST_MAP_ANON |
GUEST_MAP_UNKNOWN_8000 | GUEST_MAP_NO_CORE | GUEST_MAP_NO_COALESCE;
constexpr size_t PAGE_SIZE = 0x4000;
constexpr size_t MAXIMUM_NAME_SIZE = 32;
constexpr uint64_t DEFAULT_PS5_BASE = 0x200000000;
constexpr int GUEST_MAP_FIXED = 0x10;
constexpr int GUEST_MAP_SHARED = 0x01;
constexpr int GUEST_MAP_PRIVATE = 0x02;
constexpr int GUEST_MAP_NO_OVERWRITE = 0x80;
constexpr int GUEST_MAP_VOID = 0x100;
constexpr int GUEST_MAP_STACK = 0x400;
constexpr int GUEST_MAP_NO_SYNC = 0x800;
constexpr int GUEST_MAP_ANON = 0x1000;
constexpr int GUEST_MAP_UNKNOWN_8000 = 0x8000;
constexpr int GUEST_MAP_NO_CORE = 0x20000;
constexpr int GUEST_MAP_NO_COALESCE = 0x400000;
constexpr int SUPPORTED_MAP_BITS = GUEST_MAP_SHARED | GUEST_MAP_PRIVATE | GUEST_MAP_FIXED |
GUEST_MAP_NO_OVERWRITE | GUEST_MAP_VOID | GUEST_MAP_STACK |
GUEST_MAP_NO_SYNC | GUEST_MAP_ANON | GUEST_MAP_UNKNOWN_8000 |
GUEST_MAP_NO_CORE | GUEST_MAP_NO_COALESCE;
if (len == 0 || (len & (PAGE_SIZE - 1)) != 0) {
return KERNEL_ERROR_EINVAL;
@@ -3294,7 +3294,7 @@ int KYTY_SYSV_ABI KernelReserveVirtualRange(void** addr, size_t len, int flags,
"\t alignment = 0x%016" PRIx64 "\n",
in_addr, len, flags, alignment);
constexpr size_t PAGE_SIZE = 0x4000;
constexpr size_t PAGE_SIZE = 0x4000;
constexpr int GUEST_MAP_FIXED = 0x10;
constexpr int GUEST_MAP_NO_OVERWRITE = 0x80;