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1.1 root 1: //
2: // nono
1.1.1.3 root 3: // Copyright (C) 2020 nono project
4: // Licensed under nono-license.txt
1.1 root 5: //
6:
1.1.1.8 root 7: //
8: // デバイスの基本クラスなど
9: //
1.1 root 10:
1.1.1.8 root 11: #include "device.h"
12: #include "mpu.h"
13: #include "scheduler.h"
1.1 root 14:
15: //
16: // Device
17: //
18:
19: // コンストラクタ
1.1.1.11 root 20: Device::Device(uint objid_)
1.1.1.9 root 21: : inherited(objid_)
1.1 root 22: {
23: }
24:
25: // デストラクタ
26: Device::~Device()
27: {
28: }
29:
30: bool
31: Device::Create()
32: {
33: return true;
34: }
35:
36: bool
1.1.1.12! root 37: Device::Create2()
! 38: {
! 39: return true;
! 40: }
! 41:
! 42: void
! 43: Device::EarlyInit()
1.1 root 44: {
1.1.1.9 root 45: mpu = GetMPUDevice();
46: scheduler = GetScheduler();
1.1.1.12! root 47: }
1.1.1.9 root 48:
1.1.1.12! root 49: bool
! 50: Device::Init()
! 51: {
1.1 root 52: return true;
53: }
54:
55: bool
56: Device::Apply()
57: {
58: return true;
59: }
60:
1.1.1.8 root 61: void
62: Device::ResetHard(bool poweron)
1.1 root 63: {
64: }
65:
1.1.1.8 root 66: void
1.1 root 67: Device::PowerOff()
68: {
69: }
70:
1.1.1.8 root 71: // ログ表示。
72: // VM デバイスでは、仮想時間、PC、オブジェクト名を表示する。
1.1 root 73: void
1.1.1.8 root 74: Device::putlogn(const char *fmt, ...) const
1.1 root 75: {
1.1.1.8 root 76: char buf[1024];
77: va_list ap;
78: uint64 vt;
79: int len;
80:
1.1.1.9 root 81: vt = scheduler->GetVirtTime();
1.1.1.11 root 82: len = snprintf(buf, sizeof(buf), "%4u.%03u'%03u'%03u %08x %s ",
83: (uint)(vt / 1000 / 1000 / 1000),
84: (uint)((vt / 1000 / 1000) % 1000),
85: (uint)((vt / 1000) % 1000),
86: (uint)(vt % 1000),
1.1.1.9 root 87: mpu->GetPPC(),
1.1.1.8 root 88: GetName().c_str());
89:
90: va_start(ap, fmt);
91: vsnprintf(buf + len, sizeof(buf) - len, fmt, ap);
92: va_end(ap);
93:
94: WriteLog(buf);
1.1 root 95: }
96:
97:
98: //
99: // IODevice
100: //
101:
102: // コンストラクタ
1.1.1.11 root 103: IODevice::IODevice(uint objid_)
1.1.1.9 root 104: : inherited(objid_)
1.1 root 105: {
106: }
107:
108: // デストラクタ
109: IODevice::~IODevice()
110: {
111: }
112:
1.1.1.10 root 113: busdata
1.1.1.11 root 114: IODevice::Read(busaddr addr)
1.1 root 115: {
1.1.1.11 root 116: return 0;
1.1 root 117: }
118:
1.1.1.10 root 119: busdata
1.1.1.11 root 120: IODevice::Write(busaddr addr, uint32 data)
1.1 root 121: {
1.1.1.11 root 122: return 0;
1.1 root 123: }
124:
1.1.1.10 root 125: busdata
1.1.1.11 root 126: IODevice::ReadBurst16(busaddr addr, uint32 *dst)
1.1 root 127: {
1.1.1.11 root 128: return BusData::BusErr;
1.1 root 129: }
130:
1.1.1.10 root 131: busdata
1.1.1.11 root 132: IODevice::WriteBurst16(busaddr addr, const uint32 *src)
1.1 root 133: {
1.1.1.11 root 134: return BusData::BusErr;
1.1 root 135: }
136:
1.1.1.10 root 137: busdata
1.1.1.11 root 138: IODevice::Read1(uint32 addr)
1.1 root 139: {
1.1.1.11 root 140: return 0xff;
1.1 root 141: }
142:
1.1.1.10 root 143: busdata
1.1.1.11 root 144: IODevice::Write1(uint32 addr, uint32 data)
1.1 root 145: {
146: return 0;
147: }
148:
1.1.1.10 root 149: busdata
1.1.1.11 root 150: IODevice::Peek1(uint32 addr)
1.1 root 151: {
1.1.1.2 root 152: return 0xff;
1.1 root 153: }
154:
1.1.1.10 root 155: bool
1.1.1.11 root 156: IODevice::Poke1(uint32 addr, uint32 data)
1.1.1.9 root 157: {
1.1.1.10 root 158: return false;
1.1.1.9 root 159: }
160:
161:
162: //
163: // バスエラー
164: //
1.1.1.6 root 165:
1.1 root 166: // コンストラクタ
167: BusErrDevice::BusErrDevice()
1.1.1.9 root 168: : inherited(OBJ_BUSERR)
1.1 root 169: {
1.1.1.7 root 170: ClearAlias();
171: AddAlias("BusErr");
1.1 root 172: }
173:
1.1.1.8 root 174: // デストラクタ
1.1 root 175: BusErrDevice::~BusErrDevice()
176: {
177: }
178:
1.1.1.10 root 179: busdata
1.1.1.11 root 180: BusErrDevice::Read(busaddr addr)
1.1 root 181: {
1.1.1.11 root 182: uint32 datasize = addr.GetSize();
1.1 root 183:
1.1.1.11 root 184: putlog(1, "$%08x.%u", addr.Addr(), datasize);
185: busdata data = BusData::BusErr;
186: data |= busdata::Size(datasize);
187: return data;
1.1 root 188: }
189:
1.1.1.10 root 190: busdata
1.1.1.11 root 191: BusErrDevice::Write(busaddr addr, uint32 data)
1.1 root 192: {
1.1.1.11 root 193: uint32 datasize = addr.GetSize();
1.1 root 194:
1.1.1.11 root 195: putlog(1, "$%08x.%u <- %0*X", addr.Addr(), datasize, datasize * 2, data);
196: busdata r = BusData::BusErr;
197: r |= busdata::Size(datasize);
198: return r;
1.1 root 199: }
200:
1.1.1.10 root 201: busdata
1.1.1.11 root 202: BusErrDevice::Peek1(uint32 addr)
1.1 root 203: {
1.1.1.11 root 204: return BusData::BusErr;
1.1 root 205: }
206:
207:
208: //
209: // 何もしないデバイス
210: //
211:
212: // コンストラクタ
1.1.1.7 root 213: NopIODevice::NopIODevice()
1.1.1.9 root 214: : inherited(OBJ_NOPIO)
1.1 root 215: {
1.1.1.7 root 216: ClearAlias();
217: AddAlias("NopIO");
1.1 root 218: }
219:
1.1.1.8 root 220: // デストラクタ
1.1.1.7 root 221: NopIODevice::~NopIODevice()
1.1 root 222: {
223: }
224:
1.1.1.10 root 225: busdata
1.1.1.11 root 226: NopIODevice::Read(busaddr addr)
1.1 root 227: {
1.1.1.11 root 228: uint32 datasize = addr.GetSize();
1.1 root 229:
1.1.1.11 root 230: putlog(1, "$%08x.%u", addr.Addr(), datasize);
231: busdata data = (1ULL << (datasize * 8)) - 1;
232: data |= busdata::Size(datasize);
233: return data;
1.1.1.5 root 234: }
235:
1.1.1.10 root 236: busdata
1.1.1.11 root 237: NopIODevice::Write(busaddr addr, uint32 data)
1.1.1.5 root 238: {
1.1.1.11 root 239: uint32 datasize = addr.GetSize();
1.1.1.5 root 240:
1.1.1.11 root 241: putlog(1, "$%08x.%u <- $%0*x", addr.Addr(), datasize, datasize * 2, data);
242: busdata r = busdata::Size(datasize);
243: return r;
1.1.1.5 root 244: }
245:
1.1.1.10 root 246: busdata
1.1.1.11 root 247: NopIODevice::Peek1(uint32 addr)
1.1.1.5 root 248: {
1.1.1.11 root 249: return 0xff;
1.1.1.5 root 250: }
251:
1.1.1.10 root 252: busdata
1.1.1.11 root 253: NopIODevice::Read1(uint32 addr)
1.1.1.5 root 254: {
1.1.1.11 root 255: putlog(1, "XP $%05x", addr);
256: busdata data = 0xff;
257: return data;
1.1 root 258: }
259:
1.1.1.10 root 260: busdata
1.1.1.11 root 261: NopIODevice::Write1(uint32 addr, uint32 data)
1.1 root 262: {
1.1.1.11 root 263: putlog(1, "XP $%05x <- $%02x", addr, data);
264: return 0;
1.1 root 265: }
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