raphiaura/KytyPS5
1
0
Fork 0
mirror of https://github.com/KytyPS5/KytyPS5.git synced 2026-10-20 10:56:58 +02:00
Code Issues Packages Projects Releases Wiki Activity

memory: remove per-page host protection bookkeeping

Browse Source
This commit is contained in:
nmzik
2026-09-11 12:49:30 +04:00
parent 0cd7682012
commit 73363f1272
6 changed files with 21 additions and 115 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/common/platform/sysWindowsVirtual.cpp
+1 -17
View File
@@ -45,18 +45,6 @@ static DWORD GetProtectionFlag(VirtualMemory::Mode mode) {
return protect;
}
static VirtualMemory::Mode GetProtectionFlag(DWORD mode) {
switch (mode) {
case PAGE_NOACCESS: return VirtualMemory::Mode::NoAccess;
case PAGE_READONLY: return VirtualMemory::Mode::Read;
case PAGE_READWRITE: return VirtualMemory::Mode::ReadWrite;
case PAGE_EXECUTE: return VirtualMemory::Mode::Execute;
case PAGE_EXECUTE_READ: return VirtualMemory::Mode::ExecuteRead;
case PAGE_EXECUTE_READWRITE: return VirtualMemory::Mode::ExecuteReadWrite;
default: return VirtualMemory::Mode::NoAccess;
}
}
void SysVirtualInit() {}
uint64_t SysVirtualAlloc(uint64_t address, uint64_t size, VirtualMemory::Mode mode) {
@@ -328,17 +316,13 @@ bool SysVirtualFreeRange(uint64_t address, uint64_t size) {
return current - address == size && SysVirtualFree(address);
}
bool SysVirtualProtect(uint64_t address, uint64_t size, VirtualMemory::Mode mode,
VirtualMemory::Mode* old_mode) {
bool SysVirtualProtect(uint64_t address, uint64_t size, VirtualMemory::Mode mode) {
DWORD old_protect = 0;
if (VirtualProtect(reinterpret_cast<LPVOID>(static_cast<uintptr_t>(address)), size,
GetProtectionFlag(mode), &old_protect) == 0) {
printf("VirtualProtect() failed: 0x%08" PRIx32 "\n", static_cast<uint32_t>(GetLastError()));
return false;
}
if (old_mode != nullptr) {
*old_mode = GetProtectionFlag(old_protect);
}
return true;
}