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Handle NOWAIT in SifGetOtherData.

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This commit is contained in:
Jean-Philip Desjardins 2023-12-11 16:55:11 -05:00
parent 606084921c
commit 3899d072ab
2 changed files with 24 additions and 9 deletions
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9
Source/SifDefs.h
View file

@ -122,6 +122,15 @@ struct SIFRPCHEADER
};
static_assert(sizeof(SIFRPCHEADER) == 0x10, "sizeof(SIFRPCHEADER) must be 16 bytes.");
struct SIFRPCRECEIVEDATA
{
SIFRPCHEADER header;
uint32 srcPtr;
uint32 dstPtr;
uint32 size;
};
static_assert(sizeof(SIFRPCRECEIVEDATA) == 0x1C, "sizeof(SIFRPCRECEIVEDATA) must be 28 bytes.");
struct SIFRPCCLIENTDATA
{
SIFRPCHEADER header;

24
Source/iop/Iop_SifCmd.cpp
View file

@ -53,6 +53,7 @@ using namespace Iop;
static constexpr uint32 INVALID_SEMAPHORE_ID = ~0U;
static constexpr uint32 DUMMY_PACKET_ADDR = 0xCAFECAFE;
static constexpr uint32 RPC_MODE_NOWAIT = 0x01;
CSifCmd::CSifCmd(CIopBios& bios, CSifMan& sifMan, CSysmem& sysMem, uint8* ram)
: m_bios(bios)
@ -857,8 +858,6 @@ void CSifCmd::SifBindRpc(CMIPS& context)
void CSifCmd::SifCallRpc(CMIPS& context)
{
static constexpr uint32 CALL_MODE_NOWAIT = 0x01;
uint32 clientDataAddr = context.m_State.nGPR[CMIPS::A0].nV0;
uint32 rpcNumber = context.m_State.nGPR[CMIPS::A1].nV0;
uint32 mode = context.m_State.nGPR[CMIPS::A2].nV0;
@ -869,7 +868,7 @@ void CSifCmd::SifCallRpc(CMIPS& context)
uint32 endFctAddr = context.m_pMemoryMap->GetWord(context.m_State.nGPR[CMIPS::SP].nV0 + 0x1C);
uint32 endParam = context.m_pMemoryMap->GetWord(context.m_State.nGPR[CMIPS::SP].nV0 + 0x20);
assert((mode == 0) || (mode == CALL_MODE_NOWAIT));
assert((mode == 0) || (mode == RPC_MODE_NOWAIT));
CLog::GetInstance().Print(LOG_NAME, FUNCTION_SIFCALLRPC "(clientDataAddr = 0x%08X, rpcNumber = 0x%08X, mode = 0x%08X, sendAddr = 0x%08X, sendSize = 0x%08X, "
"recvAddr = 0x%08X, recvSize = 0x%08X, endFctAddr = 0x%08X, endParam = 0x%08X);\r\n",
@ -882,7 +881,7 @@ void CSifCmd::SifCallRpc(CMIPS& context)
clientData->header.packetAddr = DUMMY_PACKET_ADDR;
clientData->endFctPtr = endFctAddr;
clientData->endParam = endParam;
if((mode & CALL_MODE_NOWAIT) == 0)
if((mode & RPC_MODE_NOWAIT) == 0)
{
clientData->header.semaId = m_bios.CreateSemaphore(0, 1, 0, 0);
assert(static_cast<int32>(clientData->header.semaId) >= 0);
@ -1012,12 +1011,12 @@ void CSifCmd::SifExecRequest(CMIPS& context)
context.m_State.nPC = m_sifExecRequestAddr;
}
uint32 CSifCmd::SifCheckStatRpc(uint32 clientDataAddr)
uint32 CSifCmd::SifCheckStatRpc(uint32 headerAddr)
{
CLog::GetInstance().Print(LOG_NAME, FUNCTION_SIFCHECKSTATRPC "(clientData = 0x%08X);\r\n",
clientDataAddr);
auto clientData = reinterpret_cast<SIFRPCCLIENTDATA*>(m_ram + clientDataAddr);
if(clientData->header.packetAddr != 0)
CLog::GetInstance().Print(LOG_NAME, FUNCTION_SIFCHECKSTATRPC "(headerAddr = 0x%08X);\r\n",
headerAddr);
auto header = reinterpret_cast<const SIFRPCHEADER*>(m_ram + headerAddr);
if(header->packetAddr != 0)
{
return 1;
}
@ -1073,7 +1072,14 @@ uint32 CSifCmd::SifGetOtherData(uint32 packetPtr, uint32 src, uint32 dst, uint32
{
CLog::GetInstance().Print(LOG_NAME, FUNCTION_SIFGETOTHERDATA "(packetPtr = 0x%08X, src = 0x%08X, dst = 0x%08X, size = 0x%08X, mode = %d);\r\n",
packetPtr, src, dst, size, mode);
assert((mode == 0) || (mode == RPC_MODE_NOWAIT));
m_sifMan.GetOtherData(dst, src, size);
if((mode & RPC_MODE_NOWAIT) != 0)
{
//Clear packetAddr to make sure SifCheckStatRpc returns properly
auto receiveData = reinterpret_cast<SIFRPCRECEIVEDATA*>(m_ram + packetPtr);
receiveData->header.packetAddr = 0;
}
return 0;
}