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better wifi stub

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This commit is contained in:
StapleButter
2017-04-12 16:58:09 +02:00
parent 96a3848d84
commit db20d7408e
5 changed files with 223 additions and 60 deletions
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163
src/Wifi.cpp
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@ -52,8 +52,6 @@ void Reset()
Random = 1;
BBCnt = 0;
BBWrite = 0;
memset(BBRegs, 0, 0x100);
memset(BBRegsRO, 0, 0x100);
@ -86,9 +84,6 @@ void Reset()
#undef BBREG_FIXED
RFVersion = SPI_Firmware::GetRFVersion();
RFCnt = 0;
RFData1 = 0;
RFData2 = 0;
memset(RFRegs, 0, 4*0x40);
memset(&IOPORT(0x018), 0xFF, 6);
@ -98,33 +93,33 @@ void Reset()
void RFTransfer_Type2()
{
u32 id = (RFData2 >> 2) & 0x1F;
u32 id = (IOPORT(W_RFData2) >> 2) & 0x1F;
if (RFData2 & 0x0080)
if (IOPORT(W_RFData2) & 0x0080)
{
u32 data = RFRegs[id];
RFData1 = data & 0xFFFF;
RFData2 = (RFData2 & 0xFFFC) | ((data >> 16) & 0x3);
IOPORT(W_RFData1) = data & 0xFFFF;
IOPORT(W_RFData2) = (IOPORT(W_RFData2) & 0xFFFC) | ((data >> 16) & 0x3);
}
else
{
u32 data = RFData1 | ((RFData2 & 0x0003) << 16);
u32 data = IOPORT(W_RFData1) | ((IOPORT(W_RFData2) & 0x0003) << 16);
RFRegs[id] = data;
}
}
void RFTransfer_Type3()
{
u32 id = (RFData1 >> 8) & 0x3F;
u32 id = (IOPORT(W_RFData1) >> 8) & 0x3F;
u32 cmd = RFData2 & 0xF;
u32 cmd = IOPORT(W_RFData2) & 0xF;
if (cmd == 6)
{
RFData1 = (RFData1 & 0xFF00) | (RFRegs[id] & 0xFF);
IOPORT(W_RFData1) = (IOPORT(W_RFData1) & 0xFF00) | (RFRegs[id] & 0xFF);
}
else if (cmd == 5)
{
u32 data = RFData1 & 0xFF;
u32 data = IOPORT(W_RFData1) & 0xFF;
RFRegs[id] = data;
}
}
@ -143,35 +138,25 @@ u16 Read(u32 addr)
switch (addr)
{
case 0x044: // random generator. not accurate
case W_Random: // random generator. not accurate
Random = (Random & 0x1) ^ (((Random & 0x3FF) << 1) | (Random >> 10));
return Random;
case 0x0BC:
return IOPORT(0x0BC) & 0x0003;
case W_Preamble:
return IOPORT(W_Preamble) & 0x0003;
case 0x158:
return BBCnt;
case 0x15C:
if ((BBCnt & 0xF000) != 0x6000)
case W_BBRead:
if ((IOPORT(W_BBCnt) & 0xF000) != 0x6000)
{
printf("WIFI: bad BB read, CNT=%04X\n", BBCnt);
printf("WIFI: bad BB read, CNT=%04X\n", IOPORT(W_BBCnt));
return 0;
}
return BBRegs[BBCnt & 0xFF];
return BBRegs[IOPORT(W_BBCnt) & 0xFF];
case 0x15E:
case W_BBBusy:
return 0; // TODO eventually (BB busy flag)
case 0x17C:
return RFData2;
case 0x17E:
return RFData1;
case 0x180:
case W_RFBusy:
return 0; // TODO eventually (RF busy flag)
case 0x184:
return RFCnt;
}
//printf("WIFI: read %08X\n", addr);
@ -190,42 +175,114 @@ void Write(u32 addr, u16 val)
switch (addr)
{
case 0x006:
case W_ModeReset:
{
u16 oldval = IOPORT(W_ModeReset);
if (!(oldval & 0x0001) && (val & 0x0001))
{
IOPORT(0x034) = 0x0002;
IOPORT(W_RFPins) = 0x0046;
IOPORT(W_RFStatus) = 9;
IOPORT(0x27C) = 0x0005;
// TODO: 02A2??
}
else if ((oldval & 0x0001) && !(val & 0x0001))
{
IOPORT(0x27C) = 0x000A;
}
if (val & 0x2000)
{
IOPORT(W_RXBufWriteAddr) = 0;
IOPORT(W_CmdTotalTime) = 0;
IOPORT(W_CmdReplyTime) = 0;
IOPORT(0x1A4) = 0;
IOPORT(0x278) = 0x000F;
// TODO: other ports??
}
if (val & 0x4000)
{
IOPORT(W_ModeWEP) = 0;
IOPORT(W_TXStatCnt) = 0;
IOPORT(0x00A) = 0;
IOPORT(W_MACAddr0) = 0;
IOPORT(W_MACAddr1) = 0;
IOPORT(W_MACAddr2) = 0;
IOPORT(W_BSSID0) = 0;
IOPORT(W_BSSID1) = 0;
IOPORT(W_BSSID2) = 0;
IOPORT(W_AIDLow) = 0;
IOPORT(W_AIDFull) = 0;
IOPORT(W_TXRetryLimit) = 0x0707;
IOPORT(0x02E) = 0;
IOPORT(W_RXBufBegin) = 0x4000;
IOPORT(W_RXBufEnd) = 0x4800;
IOPORT(W_TXBeaconTIM) = 0;
IOPORT(W_Preamble) = 0x0001;
IOPORT(W_RXFilter) = 0x0401;
IOPORT(0x0D4) = 0x0001;
IOPORT(W_RXFilter2) = 0x0008;
IOPORT(0x0EC) = 0x3F03;
IOPORT(W_TXHeaderCnt) = 0;
IOPORT(0x198) = 0;
IOPORT(0x1A2) = 0x0001;
IOPORT(0x224) = 0x0003;
IOPORT(0x230) = 0x0047;
}
}
break;
case W_ModeWEP:
val &= 0x007F;
break;
case 0x010:
case W_IF:
// IF: TODO
return;
case 0x012:
case W_IE:
printf("WIFI IE=%04X\n", val);
break;
case 0x158:
BBCnt = val;
if ((BBCnt & 0xF000) == 0x5000)
case W_PowerState:
if (val & 0x0002)
{
u32 regid = BBCnt & 0xFF;
// TODO: IRQ11
IOPORT(W_PowerState) = 0x0000;
}
return;
case W_PowerForce:
printf("WIFI: forcing power %04X\n", val);
val &= 0x8001;
if (val == 0x8001)
{
IOPORT(0x034) = 0x0002;
IOPORT(W_PowerState) = 0x0200;
IOPORT(W_TXReqRead) = 0;
IOPORT(W_RFPins) = 00046;
IOPORT(W_RFStatus) = 9;
}
break;
case W_BBCnt:
IOPORT(W_BBCnt) = val;
if ((IOPORT(W_BBCnt) & 0xF000) == 0x5000)
{
u32 regid = IOPORT(W_BBCnt) & 0xFF;
if (!BBRegsRO[regid])
BBRegs[regid] = val & 0xFF;
BBRegs[regid] = IOPORT(W_BBWrite) & 0xFF;
}
return;
case 0x15A:
BBWrite = val;
return;
case 0x17C:
RFData2 = val;
case W_RFData2:
IOPORT(W_RFData2) = val;
if (RFVersion == 3) RFTransfer_Type3();
else RFTransfer_Type2();
return;
case 0x17E:
RFData1 = val;
return;
case 0x184:
RFCnt = val & 0x413F;
return;
case W_RFCnt:
val &= 0x413F;
break;
// read-only ports
case 0x000: