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https://github.com/melonDS-emu/melonDS.git
synced 2024-11-14 13:27:41 -07:00
try actually receiving replies. doesn't work yet.
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b721ecab14
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@ -56,6 +56,7 @@ u16 Channel;
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u8 TXBuffer[2048];
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u8 RXBuffer[2048];
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u8 MPReplyBuffer[15*1024];
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u16 BeaconCount;
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u16 BeaconInterval;
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@ -71,13 +72,14 @@ u16 ClientID;
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u16 HostScanCount;
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u32 HostScanBuffer;
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u32 MPUnkBuffer;
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u32 MPFrameMetadata[6];
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u16 MPSeqNo;
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u64 CmdTimestamp;
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u32 CmdCount;
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u16 CmdClientTime;
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u16 CmdClientMask;
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u16 CmdClientDone;
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u16 CmdClientFail;
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void ScheduleTimer(bool first);
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@ -106,6 +108,7 @@ void Reset()
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memset(TXBuffer, 0, sizeof(TXBuffer));
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memset(RXBuffer, 0, sizeof(RXBuffer));
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memset(MPReplyBuffer, 0, sizeof(MPReplyBuffer));
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BeaconCount = 0;
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BeaconInterval = 0;
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@ -121,13 +124,14 @@ void Reset()
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HostScanCount = 0;
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HostScanBuffer = 0;
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MPUnkBuffer = 0;
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memset(MPFrameMetadata, 0, sizeof(MPFrameMetadata));
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MPSeqNo = 0;
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CmdTimestamp = 0;
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CmdCount = 0;
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CmdClientTime = 0;
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CmdClientMask = 0;
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CmdClientDone = 0;
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CmdClientFail = 0;
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u16 chanmask = 0x2082;
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@ -329,8 +333,8 @@ void SendCmdFrame(u32 bodyaddr, u32 bodylen, u16 clientmask, u32 stream)
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if (bodylen & 1) bodylen++;
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u16 clienttime = NDS::ARM7Read16(SharedMem[1]+0x3A);
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clienttime = (clienttime*4) + 0xE2;
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u16 clientlen = bodylen ? NDS::ARM7Read16(SharedMem[1]+0x3A) : 8;
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u16 clienttime = (clientlen*4) + 0xE6;
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*(u16*)&frame[0x0] = 0;
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*(u16*)&frame[0x2] = clientmask;
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@ -346,12 +350,12 @@ void SendCmdFrame(u32 bodyaddr, u32 bodylen, u16 clientmask, u32 stream)
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*(u16*)ptr = TXSeqNo << 4; ptr += 2; // sequence number
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TXSeqNo++;
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printf("SEND CMD: BODYLEN=%04X\n", bodylen);
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if (bodylen)
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{
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*(u16*)ptr = clienttime; ptr += 2;
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*(u16*)ptr = clientmask; ptr += 2;
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printf("SEND CMD: BODYLEN=%04X\n", bodylen);
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if (bodylen)
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{
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u16 flags = (bodylen >> 1) & 0xFF;
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flags |= ((stream & 0xF) << 8);
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flags |= 0x9000;
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@ -374,8 +378,6 @@ printf("SEND CMD: BODYLEN=%04X\n", bodylen);
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}
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else
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{
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*(u16*)ptr = 0x106; ptr += 2;
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*(u16*)ptr = clientmask; ptr += 2;
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*(u16*)ptr = 0x8000; ptr += 2;
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}
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@ -391,10 +393,32 @@ printf("SEND CMD: BODYLEN=%04X\n", bodylen);
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CmdTimestamp = Timestamp;
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CmdCount = 4; // TODO not hardcode this!
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CmdClientTime = clienttime;
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CmdClientMask = clientmask;
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CmdClientDone = 0;
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CmdClientFail = 0;
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Platform::MP_SendCmd(frame, 12+len, Timestamp);
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u16 curbuf = NDS::ARM7Read16(SharedMem[1]+0x70);
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u32 dstaddr = NDS::ARM7Read32(SharedMem[1]+0x74 + (curbuf<<2));
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u16 rxlen = clientlen + 0xE;
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u16 nclients = 0;
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for (int i = 1; i < 16; i++)
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{
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if (!(clientmask & (1<<i))) continue;
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// CHECKME
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u32 rxbuf = dstaddr+0x8 + (rxlen*nclients);
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NDS::ARM7Write16(rxbuf+0x00, 0x0001);
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NDS::ARM7Write16(rxbuf+0x02, 0xFFFF);
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nclients++;
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}
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NDS::ARM7Write32(dstaddr, 0); // ??
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NDS::ARM7Write16(dstaddr+0x4, nclients);
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NDS::ARM7Write16(dstaddr+0x6, rxlen);
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}
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void SendReplyFrame(u32 bodyaddr, u32 bodylen, u32 stream)
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@ -462,12 +486,90 @@ printf("SEND REPLY: BODYLEN=%04X\n", bodylen);
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Platform::MP_SendReply(frame, 12+len, Timestamp, clientID);
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}
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void ReceiveReplyFrames()
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{
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u16 remmask = CmdClientMask & ~CmdClientDone;
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if (!remmask) return;
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// TODO: only block on the last attempt
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u16 res = Platform::MP_RecvReplies(MPReplyBuffer, CmdTimestamp, remmask);
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if (!res) return;
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res &= remmask;
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for (int i = 1; i < 16; i++)
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{
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if (!(res & (1<<i))) continue;
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u8* frame = &MPReplyBuffer[(i-1)*1024];
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u16 framelen = *(u16*)&frame[10];
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u16 frametime = (framelen * 4) + 0x60;
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if (frametime > CmdClientTime) continue;
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u8* dstmac = &frame[12+16];
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if (*(u16*)&dstmac[0] != 0x0903) continue;
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if (*(u16*)&dstmac[2] != 0x00BF) continue;
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if (*(u16*)&dstmac[4] != 0x1000) continue;
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// TODO check source MAC and all that
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u16 curbuf = NDS::ARM7Read16(SharedMem[1]+0x70);
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u32 _dstaddr = NDS::ARM7Read32(SharedMem[1]+0x74 + (curbuf<<2));
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u16 dstlen = NDS::ARM7Read16(SharedMem[1]+0x72);
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u16 nclients = NDS::ARM7Read16(_dstaddr+0x4);
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u16 rxlen = NDS::ARM7Read16(_dstaddr+0x6);
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if (i > nclients) continue;
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u16 bodylen;
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if (framelen >= 0x26) bodylen = framelen - 0x26;
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else bodylen = 0;
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u16 writelen = framelen - 0x1A;
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if ((writelen+0xA) > rxlen) continue;
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u32 dstaddr = _dstaddr + (0x8 + (rxlen * (i-1)));
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// TODO a lot more of the stuff
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NDS::ARM7Write16(dstaddr+0x00, 0);
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NDS::ARM7Write16(dstaddr+0x02, 0x0040);
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NDS::ARM7Write16(dstaddr+0x04, 0x8014);
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NDS::ARM7Write16(dstaddr+0x06, i);
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NDS::ARM7Write16(dstaddr+0x08, 0);
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for (u32 i = 0; i < writelen; i+=2)
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{
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NDS::ARM7Write16(dstaddr+0xA + i, *(u16*)&frame[12+24 + i]);
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}
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u16 tmp = NDS::ARM7Read16(SharedMem[1]+0x86);
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tmp |= (1<<i);
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NDS::ARM7Write16(SharedMem[1]+0x86, tmp);
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/*u16 extra[3];
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extra[0] = 0xC;
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*(u32*)&extra[1] = dstaddr;
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WifiIPCReply(0xE, 0, 3, extra);*/
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if (bodylen)
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{
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u16 cmdflags = *(u16*)&frame[12+24];
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MPSignalRX(_dstaddr, dstaddr, i, cmdflags);
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}
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}
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CmdClientDone |= res;
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}
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void SendAckFrame()
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{
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u8 frame[12+32];
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u8* ptr = &frame[0xC];
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u8 dest[6] = {0x03, 0x09, 0xBF, 0x00, 0x00, 0x03};
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CmdClientFail = CmdClientMask & ~CmdClientDone;
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*(u16*)&frame[0x0] = 0;
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*(u16*)&frame[0x2] = 0;
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*(u16*)&frame[0x4] = 0;
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@ -502,11 +604,17 @@ printf("MP: ACK\n");
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MPSignalTX(MPSeqNo);
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}
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u16 curbuf = NDS::ARM7Read16(SharedMem[1]+0x70);
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u32 dstaddr = NDS::ARM7Read32(SharedMem[1]+0x74 + (curbuf<<2));
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//u16 dstlen = NDS::ARM7Read16(SharedMem[1]+0x72);
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u16 extra[3];
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extra[0] = 0xB;
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*(u32*)&extra[1] = MPUnkBuffer;
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MPUnkBuffer ^= 0x100; // CHECKME!!!
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*(u32*)&extra[1] = dstaddr;
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WifiIPCReply(0xE, 0, 3, extra);
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curbuf ^= 1;
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NDS::ARM7Write16(SharedMem[1]+0x70, curbuf);
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}
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void MPSignalTX(u16 seqno)
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@ -1044,7 +1152,7 @@ void ClientComm(int status)
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if (clientmask & (1<<clientID))
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{
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u16 framelen = MPFrameMetadata[1];
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framelen = (framelen*4) + 0xE2;
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framelen = (framelen*4) + 0xE0;
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if (framelen <= clienttime)
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doreply = true;
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}
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@ -1057,6 +1165,8 @@ void ClientComm(int status)
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{
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Platform::MP_SendReply(nullptr, 0, Timestamp, clientID);
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}
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MPFrameMetadata[1] = 0;
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}
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else if (*(u16*)&dstmac[4] == 0x0300)
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{
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@ -1124,6 +1234,7 @@ void MSTimer(u32 param)
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if ((status == 9) && (CmdCount > 0))
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{
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CmdCount--;
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ReceiveReplyFrames();
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if (CmdCount == 0)
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SendAckFrame();
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}
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@ -1860,9 +1971,6 @@ void OnIPCRequest(u32 addr)
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u32 txbuf = NDS::ARM7Read32(addr+0xC);
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u32 txlen = NDS::ARM7Read32(addr+0x10);
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// HAX
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MPUnkBuffer = rxbuf;
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NDS::ARM7Write32(SharedMem[1]+0x74, rxbuf);
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NDS::ARM7Write16(SharedMem[1]+0x72, rxlen);
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NDS::ARM7Write32(SharedMem[1]+0x78, rxbuf+rxlen);
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