Add workaround for case where game pass buffer = 0 in SifRegisterRpc.

jpd002 · Nov 19, 2024 · 8837c10 · 8837c10
1 parent 49d5021
commit 8837c10
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/Source/iop/Iop_SifCmd.cpp b/Source/iop/Iop_SifCmd.cpp
@@ -949,6  949,16 @@ void CSifCmd::SifRegisterRpc(CMIPS& context)
 
 	if(serverDataAddr != 0)
 	{
 		if(buffer == 0)
 		{
 			//This is needed by Pia Carrot e Yokoso: GO Summer Fair.
 			//Game passes 0 for buffer and we have a check in ProcessInvocation to prevent copying RPC call
 			//parameters to address 0. On a real PS2, it probably doesn't really matter, but this is a
 			//questionable thing to do, so, let's be safe and allocate some buffer for the game.
 			CLog::GetInstance().Warn(LOG_NAME, "SifRegisterRpc: address 0 provided for RPC server buffer, allocating dummy buffer.\r\n");
 			buffer = m_sysMem.AllocateMemory(0x100, 0, 0);
 		}
 
 		auto serverData = reinterpret_cast<SIFRPCSERVERDATA*>(&m_ram[serverDataAddr]);
 		serverData->serverId = serverId;
 		serverData->function = function;