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1.1 root 1: //
2: // nono
1.1.1.2 root 3: // Copyright (C) 2020 nono project
4: // Licensed under nono-license.txt
1.1 root 5: //
6:
7: // MPU (m88xx0)
8:
9: #include "mpu88xx0.h"
10: #include "config.h"
1.1.1.2 root 11: #include "sysctlr.h"
12:
13: std::unique_ptr<MPU88200ATC> gMPU88200ATC[2];
1.1 root 14:
15: // コンストラクタ
1.1.1.5 root 16: MPU88xx0Device::MPU88xx0Device(uint32 reset_vector)
1.1 root 17: {
1.1.1.3 root 18: monitor_size = nnSize(79, 18);
1.1 root 19:
1.1.1.5 root 20: cpu.reset(new m88kcpu(reset_vector));
1.1.1.2 root 21:
1.1.1.4 root 22: // リセット例外イベントコールバック設定
1.1.1.5 root 23: event.func = (DeviceCallback_t)&MPU88xx0Device::Callback;
1.1.1.4 root 24:
1.1.1.2 root 25: // LUNA88K では CMMU の ID は次のように割り振ってあるようだ。
26: // OpenBSD の sys/arch/luna68k/include/board.h より。
27: //
28: // Inst Data
29: // CPU#0 ID=7 ID=6
30: // CPU#1 ID=5 ID=4
31: // CPU#2 ID=3 ID=2
32: // CPU#3 ID=1 ID=0
33: //
34: // 厳密にはこれは LUNA88K のハードウェアがどういうコンフィグレーションで
35: // m88200 を使うかなので、ここではなくて vm_luna あたりのほうがいいかも
36: // しれんけど、あまり遠いのも面倒なので、とりあえずこの辺に。
37: // あとマルチプロセッサになったらまたその時考える。
38: cpu->cmmu[0].SetID(7);
39: cpu->cmmu[1].SetID(6);
40:
41: // モニタ用の別オブジェクト
42: gMPU88200ATC[0].reset(new MPU88200ATC(&cpu->cmmu[0]));
43: gMPU88200ATC[1].reset(new MPU88200ATC(&cpu->cmmu[1]));
1.1 root 44: }
45:
46: // デストラクタ
47: MPU88xx0Device::~MPU88xx0Device()
48: {
49: }
50:
1.1.1.5 root 51: bool
52: MPU88xx0Device::Init()
53: {
54: // 親クラス
55: if (inherited::Init() == false) {
56: return false;
57: }
58: // MPU クロックは親 Init() で読み込んで、ここで cpu にセットする
59: cpu->SetClockSpeed(clock_khz);
60:
61: return true;
62: }
63:
1.1.1.4 root 64: // リセット例外イベントコールバック
1.1 root 65: void
1.1.1.5 root 66: MPU88xx0Device::Callback(Event& ev)
1.1 root 67: {
1.1.1.5 root 68: cpu->RequestReset();
1.1 root 69: }
70:
1.1.1.6 ! root 71: // アクセス中の論理アドレスを取得
! 72: uint32
! 73: MPU88xx0Device::GetLaddr() const
! 74: {
! 75: m88200 *cmmu = m88200::GetBusMaster();
! 76: assert(cmmu);
! 77: return cmmu->GetLaddr();
! 78: }
! 79:
! 80: // アクセス中の物理アドレスを取得
! 81: uint32
! 82: MPU88xx0Device::GetPaddr() const
! 83: {
! 84: m88200 *cmmu = m88200::GetBusMaster();
! 85: assert(cmmu);
! 86: return cmmu->GetPaddr();
! 87: }
! 88:
1.1.1.4 root 89: // アクセスウェイトを加算
90: void
1.1.1.5 root 91: MPU88xx0Device::AddCycle(int32 cycle)
1.1.1.4 root 92: {
93: // 今アクセスしてきている(= バスマスターの) CMMU に対して加算する
94: m88200 *cmmu = m88200::GetBusMaster();
95: assert(cmmu);
96: cmmu->AddCycle(cycle);
97: }
98:
1.1.1.2 root 99: // Interrupt
100: void
1.1.1.5 root 101: MPU88xx0Device::Interrupt(int level)
1.1.1.2 root 102: {
1.1.1.5 root 103: cpu->Interrupt(level);
1.1.1.2 root 104: }
105:
1.1 root 106: // モニター更新
1.1.1.3 root 107: void
108: MPU88xx0Device::MonitorUpdate(TextScreen& monitor)
1.1 root 109: {
110: m88100reg reg;
111: int x;
112: int y;
113:
114: monitor.Clear();
115:
116: // ローカルにコピー
117: reg = *cpu;
118:
119: //
120: for (int i = 0; i < countof(reg.r); i++) {
121: monitor.Print((i / 8) * 14, i % 8, "r%-2d:%08x", i, reg.r[i]);
122: }
123:
124: // 制御レジスタ
125: x = 0;
126: y = 9;
1.1.1.2 root 127: monitor.Print(x, y++, "pid (cr0):%08x(Arch=$%02x Ver=$%02x MC=%s)",
1.1 root 128: reg.pid,
129: (reg.pid >> 8) & 0xff,
1.1.1.2 root 130: (reg.pid >> 1) & 0x7f,
131: (reg.pid & 1) ? "Master" : "Checker");
132: monitor.Print(x, y, "psr (cr1):%08x(", reg.psr);
133: monitor.Puts(x + 19, y, TA::OnOff(reg.psr & m88100reg::PSR_SUPER), "S");
134: monitor.Puts(x + 21, y,
135: ((reg.psr & m88100reg::PSR_BO_LE) ? "BO=LE" : "BO=BE"));
136: monitor.Puts(x + 27, y, TA::OnOff(reg.psr & m88100reg::PSR_SER), "SER");
137: monitor.Puts(x + 31, y, TA::OnOff(reg.psr & m88100reg::PSR_C), "Cy");
138: monitor.Puts(x + 34, y, TA::OnOff(reg.psr & m88100reg::PSR_SFD1), "SFD1");
139: monitor.Puts(x + 39, y, TA::OnOff(reg.psr & m88100reg::PSR_MXM), "MXM");
140: monitor.Puts(x + 43, y, TA::OnOff(reg.psr & m88100reg::PSR_IND), "IND");
141: monitor.Puts(x + 47, y, TA::OnOff(reg.psr & m88100reg::PSR_SFRZ), "SFRZ");
142: monitor.Puts(x + 51, y, ")");
143: y++;
144: monitor.Print(x, y, "epsr(cr2):%08x(", reg.epsr);
145: monitor.Puts(x + 19, y, TA::OnOff(reg.epsr & m88100reg::PSR_SUPER), "S");
146: monitor.Puts(x + 21, y,
147: ((reg.epsr& m88100reg::PSR_BO_LE) ? "BO=LE" : "BO=BE"));
148: monitor.Puts(x + 27, y, TA::OnOff(reg.epsr & m88100reg::PSR_SER), "SER");
149: monitor.Puts(x + 31, y, TA::OnOff(reg.epsr & m88100reg::PSR_C), "Cy");
150: monitor.Puts(x + 34, y, TA::OnOff(reg.epsr & m88100reg::PSR_SFD1), "SFD1");
151: monitor.Puts(x + 39, y, TA::OnOff(reg.epsr & m88100reg::PSR_MXM), "MXM");
152: monitor.Puts(x + 43, y, TA::OnOff(reg.epsr & m88100reg::PSR_IND), "IND");
153: monitor.Puts(x + 47, y, TA::OnOff(reg.epsr & m88100reg::PSR_SFRZ), "SFRZ");
154: monitor.Puts(x + 51, y, ")");
1.1 root 155:
1.1.1.2 root 156: // 制御レジスタ(左中; *IP)
1.1 root 157: x = 0;
158: y = 12;
159: monitor.Print(x, y + 0, "xip:%08x opX:%08x(%c%c)",
160: reg.xip, (uint32)reg.opX,
161: cpu->OpIsBusErr(reg.opX) ? 'B' : '-',
162: cpu->OpIsDelay(reg.opX) ? 'D' : '-');
163: monitor.Print(x, y + 1, "nip:%08x opF:%08x(%c%c)",
164: reg.nip, (uint32)reg.opF,
165: cpu->OpIsBusErr(reg.opF) ? 'B' : '-',
166: cpu->OpIsDelay(reg.opF) ? 'D' : '-');
167: monitor.Print(x, y + 2, "fip:%08x", reg.fip);
168:
169: // 制御レジスタ (S*IP)
170: x = 32;
171: for (int i = 0; i < 3; i++) {
172: monitor.Print(x, y + i, "%s(cr%d):%08x:%c%c",
173: m88100reg::sipname[i], 4 + i,
174: (reg.cr[4 + i] & m88100reg::SIP_MASK),
175: (reg.cr[4 + i] & m88100reg::SIP_V) ? 'V' : '-',
176: (reg.cr[4 + i] & m88100reg::SIP_E) ? 'E' : '-');
177: }
178:
1.1.1.2 root 179: // 制御レジスタ(右中)
1.1 root 180: x = 55;
181: y = 9;
182: for (int i = 0; i < 4; i++) {
183: int rn = 17 + i;
1.1.1.4 root 184: monitor.Print(x, y++, "sr%d(cr%d):%08x", i, rn, reg.cr[rn]);
1.1 root 185: }
1.1.1.4 root 186: monitor.Print(x, y++, "ssbr(cr3):%08x", reg.ssbr);
187: monitor.Print(x, y++, "vbr (cr7):%08x", reg.vbr);
1.1 root 188:
1.1.1.2 root 189: // MMU レジスタ(下段)
190: y = 15;
191: for (int i = 0; i <= 2; i++) {
192: int dt = 8 + i * 3;
193: int dd = 9 + i * 3;
194: int da = 10 + i * 3;
195:
196: monitor.Print(0, y, "dmt%d(cr%-2d):%04x",
197: i, dt, (reg.cr[dt] & 0xffff));
198: monitor.Puts(15, y, "(b,s,d,l,rx, s,en ,w,v)");
199: monitor.Puts(16, y, (reg.cr[dt] & m88100reg::DM_BO) ? "B" : "-");
200: monitor.Puts(18, y, (reg.cr[dt] & m88100reg::DM_DAS) ? "S" : "U");
201: monitor.Puts(20, y, (reg.cr[dt] & m88100reg::DM_DOUB1) ? "D" : "-");
202: monitor.Puts(22, y, (reg.cr[dt] & m88100reg::DM_LOCK) ? "L" : "-");
203: // カンマが自然に見えるようにここだけカンマも含めて前詰めで出力
204: monitor.Print(25, y, "%d,",
205: (reg.cr[dt] & m88100reg::DM_DREG_MASK) >> 7);
206: monitor.Puts(28, y, (reg.cr[dt] & m88100reg::DM_SIGNED) ? "S" : "-");
207: uint32 en = (reg.cr[dt] & m88100reg::DM_EN_MASK) >> 2;
208: monitor.Puts(30, y, m88100reg::dmt_en_str[en]);
209: monitor.Puts(35, y, (reg.cr[dt] & m88100reg::DM_WRITE) ? "W" : "-");
210: monitor.Puts(37, y, (reg.cr[dt] & m88100reg::DM_VALID) ? "V" : "-");
211:
212: monitor.Print(40, y, "dmd%d(cr%-2d):%08x", i, dd, reg.cr[dd]);
213: monitor.Print(60, y, "dma%d(cr%2d):%08x", i, da, reg.cr[da]);
214: y++;
215: }
216: }
217:
218: //
219: // {B,P}ATC モニタ
220: //
221:
222: // コンストラクタ
223: MPU88200ATC::MPU88200ATC(m88200 *cmmu_)
224: {
225: cmmu = cmmu_;
226:
1.1.1.3 root 227: monitor_size = nnSize(65, 38);
1.1.1.2 root 228: }
229:
1.1.1.3 root 230: void
231: MPU88200ATC::MonitorUpdate(TextScreen& monitor)
1.1.1.2 root 232: {
233: int x;
234: int y;
235:
236: monitor.Clear();
237:
238: monitor.Print(0, 0, "SAPR %05x'000 TE=%d %c%c%c",
239: (cmmu->sapr.addr >> 12) & 0xfffff,
240: cmmu->sapr.enable ? 1 : 0,
241: (cmmu->sapr.stat & m88200::APR_WT) ? 'T' : '-',
242: (cmmu->sapr.stat & m88200::APR_G) ? 'G' : '-',
243: (cmmu->sapr.stat & m88200::APR_CI) ? 'C' : '-');
244:
245: monitor.Print(34, 0, "UAPR %05x'000 TE=%d %c%c%c",
246: (cmmu->uapr.addr >> 12) & 0xfffff,
247: cmmu->uapr.enable ? 1 : 0,
248: (cmmu->uapr.stat & m88200::APR_WT) ? 'T' : '-',
249: (cmmu->uapr.stat & m88200::APR_G) ? 'G' : '-',
250: (cmmu->uapr.stat & m88200::APR_CI) ? 'C' : '-');
251:
252: monitor.Puts(0, 1, "<BATC>");
253: monitor.Puts(0, 2, "No. LBA PBA Stat");
254: monitor.Puts(34, 2, "No. LBA PBA Stat");
255: x = 0;
256: y = 3;
257: for (int i = 0; i < 10; i++) {
258: m88200BATC& b = cmmu->batc[i];
259:
260: if (i == cmmu->batc.size() / 2) {
261: x = 34;
262: y = 3;
263: }
264: if (i < 8) {
265: monitor.Print(x, y, " %d:", i);
266: } else {
267: monitor.Print(x, y, "(%d)", i);
268: }
269: if ((b.lba & 1) == 0) {
270: monitor.Print(x + 4, y, "%c:%04x'0000 %04x'0000 %c%c%c%c",
271: (b.lba & m88200::BATC_S) ? 'S' : 'U',
272: b.lba >> 16, b.pba >> 16,
273: (b.stat & m88200::DESC_WT) ? 'T' : '-',
274: (b.stat & m88200::DESC_G) ? 'G' : '-',
275: (b.stat & m88200::DESC_CI) ? 'C' : '-',
276: (b.stat & m88200::DESC_WP) ? 'P' : '-');
277: }
278: y++;
279: }
280:
281: monitor.Puts(0, 8, "<PATC>");
282: monitor.Puts(0, 9, "No. LPA PFA Stat");
283: monitor.Puts(34, 9, "No. LPA PFA Stat");
284:
285: x = 0;
286: y = 10;
287: for (int i = 0; i < cmmu->patc.size(); i++) {
288: m88200PATC& p = cmmu->patc[i];
289:
290: if (i == cmmu->patc.size() / 2) {
291: x = 34;
292: y = 10;
293: }
294:
295: monitor.Print(x, y, "%2d:", i);
296: if ((p.lpa & 1) == 0) {
297: monitor.Print(x + 4, y, "%c:%05x'000 %05x'000 %c%c%c%c%c",
298: (p.lpa & m88200::PATC_S) ? 'S' : 'U',
299: p.lpa >> 12, p.pfa >> 12,
300: (p.stat & m88200::DESC_WT) ? 'T' : '-',
301: (p.stat & m88200::DESC_G) ? 'G' : '-',
302: (p.stat & m88200::DESC_CI) ? 'C' : '-',
303: (p.stat & m88200::DESC_WP) ? 'P' : '-',
304: p.m ? 'M' : '-');
305: }
306:
307: y++;
308: }
1.1 root 309: }
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