octo/yuzu-android
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

host_memory: Support staged VirtualProtect calls

Browse Source
This commit is contained in:
ReinUsesLisp
2021-06-06 20:53:26 -03:00
committed by Markus Wick
parent 5ba28325b2
commit ee67460ff0
1 changed files with 12 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
src/common/host_memory.cpp
View File

@@ -110,10 +110,19 @@ public:
} else { } else {
UNIMPLEMENTED_MSG("Protection flag combination read={} write={}", read, write); UNIMPLEMENTED_MSG("Protection flag combination read={} write={}", read, write);
} }
const size_t virtual_end = virtual_offset + length;
std::lock_guard lock{placeholder_mutex};
auto [it, end] = placeholders.equal_range({virtual_offset, virtual_end});
while (it != end) {
const size_t offset = std::max(it->lower(), virtual_offset);
const size_t protect_length = std::min(it->upper(), virtual_end) - offset;
DWORD old_flags{}; DWORD old_flags{};
if (!VirtualProtect(virtual_base + virtual_offset, length, new_flags, &old_flags)) { if (!VirtualProtect(virtual_base + offset, protect_length, new_flags, &old_flags)) {
LOG_CRITICAL(HW_Memory, "Failed to change virtual memory protect rules"); LOG_CRITICAL(HW_Memory, "Failed to change virtual memory protect rules");
} }
++it;
}
} }
const size_t backing_size; ///< Size of the backing memory in bytes const size_t backing_size; ///< Size of the backing memory in bytes