OpenPunk/citra
1
0
Fork 0
mirror of https://github.com/citra-emu/citra.git synced 2024-11-22 18:00:05 +00:00
Code Issues Projects Releases Wiki Activity

Kernel: Zero-fill shared memory blocks when mapping

Browse Source 
This works around crashes related to GSP/HID/etc. shared memory blocks
having garbage values. The proper fix requires proper management of
mapped memory blocks in the process.
This commit is contained in:
Yuri Kunde Schlesner 2015-05-10 19:49:46 -03:00
parent c96f22490a
commit 774eea8374
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/core/hle/kernel/shared_memory.cpp
View File

@ -2,6 +2,8 @@
// Licensed under GPLv2 or any later version // Licensed under GPLv2 or any later version
// Refer to the license.txt file included. // Refer to the license.txt file included.
#include <cstring>
#include "common/logging/log.h" #include "common/logging/log.h"
#include "core/mem_map.h" #include "core/mem_map.h"
@ -38,6 +40,12 @@ ResultCode SharedMemory::Map(VAddr address, MemoryPermission permissions,
// TODO: Test permissions // TODO: Test permissions
// HACK: Since there's no way to write to the memory block without mapping it onto the game
// process yet, at least initialize memory the first time it's mapped.
if (address != this->base_address) {
std::memset(Memory::GetPointer(address), 0, size);
}
this->base_address = address; this->base_address = address;
return RESULT_SUCCESS; return RESULT_SUCCESS;