diff options
author | Yuri Kunde Schlesner <yuriks@yuriks.net> | 2015-05-10 19:49:46 -0300 |
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committer | Yuri Kunde Schlesner <yuriks@yuriks.net> | 2015-05-10 20:05:29 -0300 |
commit | 774eea83741286338e249e1bf188f53b53243411 (patch) | |
tree | 57f077f8c88afc74bb1dac5573db511d823af1a5 /src | |
parent | c96f22490a4a459d477f446fd4e5f894f580b69c (diff) |
Kernel: Zero-fill shared memory blocks when mapping
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.
Diffstat (limited to 'src')
-rw-r--r-- | src/core/hle/kernel/shared_memory.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/core/hle/kernel/shared_memory.cpp b/src/core/hle/kernel/shared_memory.cpp index 178589cb..0c59f487 100644 --- a/src/core/hle/kernel/shared_memory.cpp +++ b/src/core/hle/kernel/shared_memory.cpp @@ -2,6 +2,8 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include <cstring> + #include "common/logging/log.h" #include "core/mem_map.h" @@ -38,6 +40,12 @@ ResultCode SharedMemory::Map(VAddr address, MemoryPermission 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; return RESULT_SUCCESS; |