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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:
1.1.1.4 root 71: // アクセスウェイトを加算
72: void
1.1.1.5 ! root 73: MPU88xx0Device::AddCycle(int32 cycle)
1.1.1.4 root 74: {
75: // 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
76: m88200 *cmmu = m88200::GetBusMaster();
77: assert(cmmu);
78: cmmu->AddCycle(cycle);
79: }
80:
1.1.1.2 root 81: // Interrupt
82: void
1.1.1.5 ! root 83: MPU88xx0Device::Interrupt(int level)
1.1.1.2 root 84: {
1.1.1.5 ! root 85: cpu->Interrupt(level);
1.1.1.2 root 86: }
87:
1.1 root 88: // モニター更新
1.1.1.3 root 89: void
90: MPU88xx0Device::MonitorUpdate(TextScreen& monitor)
1.1 root 91: {
92: m88100reg reg;
93: int x;
94: int y;
95:
96: monitor.Clear();
97:
98: // ローカルにコピー
99: reg = *cpu;
100:
101: //
102: for (int i = 0; i < countof(reg.r); i++) {
103: monitor.Print((i / 8) * 14, i % 8, "r%-2d:%08x", i, reg.r[i]);
104: }
105:
106: // 制御レジスタ
107: x = 0;
108: y = 9;
1.1.1.2 root 109: monitor.Print(x, y++, "pid (cr0):%08x(Arch=$%02x Ver=$%02x MC=%s)",
1.1 root 110: reg.pid,
111: (reg.pid >> 8) & 0xff,
1.1.1.2 root 112: (reg.pid >> 1) & 0x7f,
113: (reg.pid & 1) ? "Master" : "Checker");
114: monitor.Print(x, y, "psr (cr1):%08x(", reg.psr);
115: monitor.Puts(x + 19, y, TA::OnOff(reg.psr & m88100reg::PSR_SUPER), "S");
116: monitor.Puts(x + 21, y,
117: ((reg.psr & m88100reg::PSR_BO_LE) ? "BO=LE" : "BO=BE"));
118: monitor.Puts(x + 27, y, TA::OnOff(reg.psr & m88100reg::PSR_SER), "SER");
119: monitor.Puts(x + 31, y, TA::OnOff(reg.psr & m88100reg::PSR_C), "Cy");
120: monitor.Puts(x + 34, y, TA::OnOff(reg.psr & m88100reg::PSR_SFD1), "SFD1");
121: monitor.Puts(x + 39, y, TA::OnOff(reg.psr & m88100reg::PSR_MXM), "MXM");
122: monitor.Puts(x + 43, y, TA::OnOff(reg.psr & m88100reg::PSR_IND), "IND");
123: monitor.Puts(x + 47, y, TA::OnOff(reg.psr & m88100reg::PSR_SFRZ), "SFRZ");
124: monitor.Puts(x + 51, y, ")");
125: y++;
126: monitor.Print(x, y, "epsr(cr2):%08x(", reg.epsr);
127: monitor.Puts(x + 19, y, TA::OnOff(reg.epsr & m88100reg::PSR_SUPER), "S");
128: monitor.Puts(x + 21, y,
129: ((reg.epsr& m88100reg::PSR_BO_LE) ? "BO=LE" : "BO=BE"));
130: monitor.Puts(x + 27, y, TA::OnOff(reg.epsr & m88100reg::PSR_SER), "SER");
131: monitor.Puts(x + 31, y, TA::OnOff(reg.epsr & m88100reg::PSR_C), "Cy");
132: monitor.Puts(x + 34, y, TA::OnOff(reg.epsr & m88100reg::PSR_SFD1), "SFD1");
133: monitor.Puts(x + 39, y, TA::OnOff(reg.epsr & m88100reg::PSR_MXM), "MXM");
134: monitor.Puts(x + 43, y, TA::OnOff(reg.epsr & m88100reg::PSR_IND), "IND");
135: monitor.Puts(x + 47, y, TA::OnOff(reg.epsr & m88100reg::PSR_SFRZ), "SFRZ");
136: monitor.Puts(x + 51, y, ")");
1.1 root 137:
1.1.1.2 root 138: // 制御レジスタ(左中; *IP)
1.1 root 139: x = 0;
140: y = 12;
141: monitor.Print(x, y + 0, "xip:%08x opX:%08x(%c%c)",
142: reg.xip, (uint32)reg.opX,
143: cpu->OpIsBusErr(reg.opX) ? 'B' : '-',
144: cpu->OpIsDelay(reg.opX) ? 'D' : '-');
145: monitor.Print(x, y + 1, "nip:%08x opF:%08x(%c%c)",
146: reg.nip, (uint32)reg.opF,
147: cpu->OpIsBusErr(reg.opF) ? 'B' : '-',
148: cpu->OpIsDelay(reg.opF) ? 'D' : '-');
149: monitor.Print(x, y + 2, "fip:%08x", reg.fip);
150:
151: // 制御レジスタ (S*IP)
152: x = 32;
153: for (int i = 0; i < 3; i++) {
154: monitor.Print(x, y + i, "%s(cr%d):%08x:%c%c",
155: m88100reg::sipname[i], 4 + i,
156: (reg.cr[4 + i] & m88100reg::SIP_MASK),
157: (reg.cr[4 + i] & m88100reg::SIP_V) ? 'V' : '-',
158: (reg.cr[4 + i] & m88100reg::SIP_E) ? 'E' : '-');
159: }
160:
1.1.1.2 root 161: // 制御レジスタ(右中)
1.1 root 162: x = 55;
163: y = 9;
164: for (int i = 0; i < 4; i++) {
165: int rn = 17 + i;
1.1.1.4 root 166: monitor.Print(x, y++, "sr%d(cr%d):%08x", i, rn, reg.cr[rn]);
1.1 root 167: }
1.1.1.4 root 168: monitor.Print(x, y++, "ssbr(cr3):%08x", reg.ssbr);
169: monitor.Print(x, y++, "vbr (cr7):%08x", reg.vbr);
1.1 root 170:
1.1.1.2 root 171: // MMU レジスタ(下段)
172: y = 15;
173: for (int i = 0; i <= 2; i++) {
174: int dt = 8 + i * 3;
175: int dd = 9 + i * 3;
176: int da = 10 + i * 3;
177:
178: monitor.Print(0, y, "dmt%d(cr%-2d):%04x",
179: i, dt, (reg.cr[dt] & 0xffff));
180: monitor.Puts(15, y, "(b,s,d,l,rx, s,en ,w,v)");
181: monitor.Puts(16, y, (reg.cr[dt] & m88100reg::DM_BO) ? "B" : "-");
182: monitor.Puts(18, y, (reg.cr[dt] & m88100reg::DM_DAS) ? "S" : "U");
183: monitor.Puts(20, y, (reg.cr[dt] & m88100reg::DM_DOUB1) ? "D" : "-");
184: monitor.Puts(22, y, (reg.cr[dt] & m88100reg::DM_LOCK) ? "L" : "-");
185: // 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
186: monitor.Print(25, y, "%d,",
187: (reg.cr[dt] & m88100reg::DM_DREG_MASK) >> 7);
188: monitor.Puts(28, y, (reg.cr[dt] & m88100reg::DM_SIGNED) ? "S" : "-");
189: uint32 en = (reg.cr[dt] & m88100reg::DM_EN_MASK) >> 2;
190: monitor.Puts(30, y, m88100reg::dmt_en_str[en]);
191: monitor.Puts(35, y, (reg.cr[dt] & m88100reg::DM_WRITE) ? "W" : "-");
192: monitor.Puts(37, y, (reg.cr[dt] & m88100reg::DM_VALID) ? "V" : "-");
193:
194: monitor.Print(40, y, "dmd%d(cr%-2d):%08x", i, dd, reg.cr[dd]);
195: monitor.Print(60, y, "dma%d(cr%2d):%08x", i, da, reg.cr[da]);
196: y++;
197: }
198: }
199:
200: //
201: // {B,P}ATC モニタ
202: //
203:
204: // コンストラクタ
205: MPU88200ATC::MPU88200ATC(m88200 *cmmu_)
206: {
207: cmmu = cmmu_;
208:
1.1.1.3 root 209: monitor_size = nnSize(65, 38);
1.1.1.2 root 210: }
211:
1.1.1.3 root 212: void
213: MPU88200ATC::MonitorUpdate(TextScreen& monitor)
1.1.1.2 root 214: {
215: int x;
216: int y;
217:
218: monitor.Clear();
219:
220: monitor.Print(0, 0, "SAPR %05x'000 TE=%d %c%c%c",
221: (cmmu->sapr.addr >> 12) & 0xfffff,
222: cmmu->sapr.enable ? 1 : 0,
223: (cmmu->sapr.stat & m88200::APR_WT) ? 'T' : '-',
224: (cmmu->sapr.stat & m88200::APR_G) ? 'G' : '-',
225: (cmmu->sapr.stat & m88200::APR_CI) ? 'C' : '-');
226:
227: monitor.Print(34, 0, "UAPR %05x'000 TE=%d %c%c%c",
228: (cmmu->uapr.addr >> 12) & 0xfffff,
229: cmmu->uapr.enable ? 1 : 0,
230: (cmmu->uapr.stat & m88200::APR_WT) ? 'T' : '-',
231: (cmmu->uapr.stat & m88200::APR_G) ? 'G' : '-',
232: (cmmu->uapr.stat & m88200::APR_CI) ? 'C' : '-');
233:
234: monitor.Puts(0, 1, "<BATC>");
235: monitor.Puts(0, 2, "No. LBA PBA Stat");
236: monitor.Puts(34, 2, "No. LBA PBA Stat");
237: x = 0;
238: y = 3;
239: for (int i = 0; i < 10; i++) {
240: m88200BATC& b = cmmu->batc[i];
241:
242: if (i == cmmu->batc.size() / 2) {
243: x = 34;
244: y = 3;
245: }
246: if (i < 8) {
247: monitor.Print(x, y, " %d:", i);
248: } else {
249: monitor.Print(x, y, "(%d)", i);
250: }
251: if ((b.lba & 1) == 0) {
252: monitor.Print(x + 4, y, "%c:%04x'0000 %04x'0000 %c%c%c%c",
253: (b.lba & m88200::BATC_S) ? 'S' : 'U',
254: b.lba >> 16, b.pba >> 16,
255: (b.stat & m88200::DESC_WT) ? 'T' : '-',
256: (b.stat & m88200::DESC_G) ? 'G' : '-',
257: (b.stat & m88200::DESC_CI) ? 'C' : '-',
258: (b.stat & m88200::DESC_WP) ? 'P' : '-');
259: }
260: y++;
261: }
262:
263: monitor.Puts(0, 8, "<PATC>");
264: monitor.Puts(0, 9, "No. LPA PFA Stat");
265: monitor.Puts(34, 9, "No. LPA PFA Stat");
266:
267: x = 0;
268: y = 10;
269: for (int i = 0; i < cmmu->patc.size(); i++) {
270: m88200PATC& p = cmmu->patc[i];
271:
272: if (i == cmmu->patc.size() / 2) {
273: x = 34;
274: y = 10;
275: }
276:
277: monitor.Print(x, y, "%2d:", i);
278: if ((p.lpa & 1) == 0) {
279: monitor.Print(x + 4, y, "%c:%05x'000 %05x'000 %c%c%c%c%c",
280: (p.lpa & m88200::PATC_S) ? 'S' : 'U',
281: p.lpa >> 12, p.pfa >> 12,
282: (p.stat & m88200::DESC_WT) ? 'T' : '-',
283: (p.stat & m88200::DESC_G) ? 'G' : '-',
284: (p.stat & m88200::DESC_CI) ? 'C' : '-',
285: (p.stat & m88200::DESC_WP) ? 'P' : '-',
286: p.m ? 'M' : '-');
287: }
288:
289: y++;
290: }
1.1 root 291: }
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