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root/cebix/BasiliskII/src/slot_rom.cpp
Revision: 1.3
Committed: 2000-07-14T21:29:10Z (24 years, 4 months ago) by cebix
Branch: MAIN
Changes since 1.2: +1 -1 lines
Log Message:
- AmigaOS bug fixes by J.Lachmann (floppy, 2060scsi.device, "Add Volume" in
  prefs editor)
- imported some changes from the Windows source (1Hz interrupt, FPU fixes)

File Contents

# User Rev Content
1 cebix 1.1 /*
2     * slot_rom.cpp - Slot declaration ROM
3     *
4 cebix 1.3 * Basilisk II (C) 1996-2000 Christian Bauer
5 cebix 1.1 *
6     * This program is free software; you can redistribute it and/or modify
7     * it under the terms of the GNU General Public License as published by
8     * the Free Software Foundation; either version 2 of the License, or
9     * (at your option) any later version.
10     *
11     * This program is distributed in the hope that it will be useful,
12     * but WITHOUT ANY WARRANTY; without even the implied warranty of
13     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14     * GNU General Public License for more details.
15     *
16     * You should have received a copy of the GNU General Public License
17     * along with this program; if not, write to the Free Software
18     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19     */
20    
21     /*
22     * SEE ALSO
23     * Inside Macintosh: Devices, chapter 2 "Slot Manager"
24     * Designing Cards and Drivers for the Macintosh Family, Second Edition
25     */
26    
27     #include <stdio.h>
28     #include <string.h>
29    
30     #include "sysdeps.h"
31     #include "cpu_emulation.h"
32     #include "main.h"
33     #include "video.h"
34     #include "emul_op.h"
35     #include "version.h"
36     #include "slot_rom.h"
37    
38    
39     // Temporary buffer for slot ROM
40     static uint8 srom[4096];
41    
42     // Index in srom
43     static uint32 p;
44    
45    
46     /*
47     * Construct slot declaration ROM and copy it into the Mac ROM (must be called after VideoInit())
48     */
49    
50     static void Offs(uint8 type, uint32 ptr)
51     {
52     uint32 offs = ptr - p;
53     srom[p++] = type;
54     srom[p++] = offs >> 16;
55     srom[p++] = offs >> 8;
56     srom[p++] = offs;
57     }
58    
59     static void Rsrc(uint8 type, uint32 data)
60     {
61     srom[p++] = type;
62     srom[p++] = data >> 16;
63     srom[p++] = data >> 8;
64     srom[p++] = data;
65     }
66    
67     static void EndOfList(void)
68     {
69     srom[p++] = 0xff;
70     srom[p++] = 0;
71     srom[p++] = 0;
72     srom[p++] = 0;
73     }
74    
75     static void Long(uint32 data)
76     {
77     srom[p++] = data >> 24;
78     srom[p++] = data >> 16;
79     srom[p++] = data >> 8;
80     srom[p++] = data;
81     }
82    
83     static void Word(uint16 data)
84     {
85     srom[p++] = data >> 8;
86     srom[p++] = data;
87     }
88    
89     static void String(char *str)
90     {
91     while ((srom[p++] = *str++) != 0) ;
92     if (p & 1)
93     srom[p++] = 0;
94     }
95    
96     static void PString(char *str)
97     {
98     srom[p++] = strlen(str);
99     while ((srom[p++] = *str++) != 0) ;
100     p--;
101     if (p & 1)
102     srom[p++] = 0;
103     }
104    
105     bool InstallSlotROM(void)
106     {
107     uint32 boardType, boardName, vendorID, revLevel, partNum, date;
108     uint32 vendorInfo, sRsrcBoard;
109    
110     uint32 videoType, videoName, minorBase, minorLength, videoDrvr, vidDrvrDir;
111     uint32 defaultGamma, gammaDir, vidModeParms, vidMode, sRsrcVideo;
112    
113     uint32 cpuType, cpuName, cpuMajor, cpuMinor, sRsrcCPU;
114    
115     uint32 etherType, etherName, etherDrvr, etherDrvrDir, sRsrcEther;
116    
117     uint32 sRsrcDir;
118    
119     char str[256];
120     p = 0;
121    
122     // Board sResource
123     boardType = p; // Literals
124     Word(1); Word(0); Word(0); Word(0); // Board sResource
125     boardName = p;
126     String("Basilisk II Slot ROM");
127     vendorID = p;
128     String("Christian Bauer");
129     revLevel = p;
130     sprintf(str, "V%d.%d", VERSION_MAJOR, VERSION_MINOR);
131     String(str);
132     partNum = p;
133     String("BasiliskII");
134     date = p;
135     String(__DATE__);
136    
137     vendorInfo = p; // Vendor Info
138     Offs(0x01, vendorID); // Vendor ID
139     Offs(0x03, revLevel); // Revision level
140     Offs(0x04, partNum); // Part number
141     Offs(0x05, date); // ROM build date
142     EndOfList();
143    
144     sRsrcBoard = p;
145     Offs(0x01, boardType); // Board descriptor
146     Offs(0x02, boardName); // Board name
147     Rsrc(0x20, 0x4232); // Board ID ('B2')
148     Offs(0x24, vendorInfo); // Vendor Info
149     EndOfList();
150    
151     // Video sResource
152     videoType = p; // Literals
153     Word(3); Word(1); Word(1); Word(0x4232); // Display Video Apple 'B2'
154     videoName = p;
155     String("Display_Video_Apple_Basilisk");
156     minorBase = p;
157     Long(VideoMonitor.mac_frame_base); // Frame buffer base
158     minorLength = p;
159     Long(VideoMonitor.bytes_per_row * VideoMonitor.y); // Frame buffer size
160    
161     videoDrvr = p; // Video driver
162     Long(0x72); // Length
163     Word(0x4c00); Word(0); Word(0); Word(0);
164     Word(0x32); // Open offset
165     Word(0x36); // Prime offset
166     Word(0x3a); // Control offset
167     Word(0x46); // Status offset
168     Word(0x6c); // Close offset
169     PString(".Display_Video_Apple_Basilisk");
170     Word(1); // Driver version
171     Word(M68K_EMUL_OP_VIDEO_OPEN); // Open()
172     Word(0x4e75);
173     Word(0x70ff); // Prime()
174     Word(0x600e);
175     Word(M68K_EMUL_OP_VIDEO_CONTROL); // Control()
176     Word(0x0c68); Word(0x0001); Word(0x001a);
177     Word(0x6604);
178     Word(0x4e75);
179     Word(M68K_EMUL_OP_VIDEO_STATUS); // Status()
180     Word(0x3228); Word(0x0006); // IOReturn
181     Word(0x0801); Word(0x0009);
182     Word(0x670c);
183     Word(0x4a40);
184     Word(0x6f02);
185     Word(0x4240);
186     Word(0x3140); Word(0x0010);
187     Word(0x4e75);
188     Word(0x4a40);
189     Word(0x6f04);
190     Word(0x4240);
191     Word(0x4e75);
192     Word(0x2f38); Word(0x08fc);
193     Word(0x4e75);
194     Word(0x70e8); // Close()
195     Word(0x4e75);
196    
197     vidDrvrDir = p; // Driver directory
198     Offs(0x02, videoDrvr); // sMacOS68020
199     EndOfList();
200    
201     defaultGamma = p; // Gamma table
202     Long(38 + 0x100); // Length
203     Word(0x2000); // Resource ID
204     String("Mac HiRes Std Gamma");
205     Word(0); // Version
206     Word(0); // Type
207     Word(0); // FormulaSize
208     Word(1); // ChanCnt
209     Word(0x0100); // DataCnt
210     Word(8); // ChanWidth
211     Long(0x0005090B); Long(0x0E101315); Long(0x17191B1D); Long(0x1E202224);
212     Long(0x2527282A); Long(0x2C2D2F30); Long(0x31333436); Long(0x37383A3B);
213     Long(0x3C3E3F40); Long(0x42434445); Long(0x4748494A); Long(0x4B4D4E4F);
214     Long(0x50515254); Long(0x55565758); Long(0x595A5B5C); Long(0x5E5F6061);
215     Long(0x62636465); Long(0x66676869); Long(0x6A6B6C6D); Long(0x6E6F7071);
216     Long(0x72737475); Long(0x76777879); Long(0x7A7B7C7D); Long(0x7E7F8081);
217     Long(0x81828384); Long(0x85868788); Long(0x898A8B8C); Long(0x8C8D8E8F);
218     Long(0x90919293); Long(0x94959596); Long(0x9798999A); Long(0x9B9B9C9D);
219     Long(0x9E9FA0A1); Long(0xA1A2A3A4); Long(0xA5A6A6A7); Long(0xA8A9AAAB);
220     Long(0xABACADAE); Long(0xAFB0B0B1); Long(0xB2B3B4B4); Long(0xB5B6B7B8);
221     Long(0xB8B9BABB); Long(0xBCBCBDBE); Long(0xBFC0C0C1); Long(0xC2C3C3C4);
222     Long(0xC5C6C7C7); Long(0xC8C9CACA); Long(0xCBCCCDCD); Long(0xCECFD0D0);
223     Long(0xD1D2D3D3); Long(0xD4D5D6D6); Long(0xD7D8D9D9); Long(0xDADBDCDC);
224     Long(0xDDDEDFDF); Long(0xE0E1E1E2); Long(0xE3E4E4E5); Long(0xE6E7E7E8);
225     Long(0xE9E9EAEB); Long(0xECECEDEE); Long(0xEEEFF0F1); Long(0xF1F2F3F3);
226     Long(0xF4F5F5F6); Long(0xF7F8F8F9); Long(0xFAFAFBFC); Long(0xFCFDFEFF);
227    
228     gammaDir = p; // Gamma directory
229     Offs(0x80, defaultGamma);
230     EndOfList();
231    
232     vidModeParms = p; // Video mode parameters
233     Long(50); // Length
234     Long(0); // Base offset
235     Word(VideoMonitor.bytes_per_row); // Row bytes
236     Word(0); // Bounds
237     Word(0);
238     Word(VideoMonitor.y);
239     Word(VideoMonitor.x);
240     Word(0); // Version
241     Word(0); // Pack type
242     Long(0); // Pack size
243     Long(0x00480000); // HRes
244     Long(0x00480000); // VRes
245     switch (VideoMonitor.mode) {
246     case VMODE_1BIT:
247     Word(0); // Pixel type (indirect)
248     Word(1); // Pixel size
249     Word(1); // CmpCount
250     Word(1); // CmpSize
251     break;
252     case VMODE_2BIT:
253     Word(0); // Pixel type (indirect)
254     Word(2); // Pixel size
255     Word(1); // CmpCount
256     Word(2); // CmpSize
257     break;
258     case VMODE_4BIT:
259     Word(0); // Pixel type (indirect)
260     Word(4); // Pixel size
261     Word(1); // CmpCount
262     Word(4); // CmpSize
263     break;
264     case VMODE_8BIT:
265     Word(0); // Pixel type (indirect)
266     Word(8); // Pixel size
267     Word(1); // CmpCount
268     Word(8); // CmpSize
269     break;
270     case VMODE_16BIT:
271     Word(16); // Pixel type (direct)
272     Word(16); // Pixel size
273     Word(3); // CmpCount
274     Word(5); // CmpSize
275     break;
276     case VMODE_32BIT:
277     Word(16); // Pixel type (direct)
278     Word(32); // Pixel size
279     Word(3); // CmpCount
280     Word(8); // CmpSize
281     break;
282     }
283     Long(0); // Plane size
284     Long(0); // Reserved
285    
286     vidMode = p; // Video mode description
287     Offs(0x01, vidModeParms); // Video parameters
288     Rsrc(0x03, 1); // Page count
289     Rsrc(0x04, IsDirectMode(VideoMonitor.mode) ? 2 :0); // Device type
290     EndOfList();
291    
292     sRsrcVideo = p;
293     Offs(0x01, videoType); // Video type descriptor
294     Offs(0x02, videoName); // Driver name
295     Offs(0x04, vidDrvrDir); // Driver directory
296     Rsrc(0x08, 0x4232); // Hardware device ID ('B2')
297     Offs(0x0a, minorBase); // Frame buffer base
298     Offs(0x0b, minorLength); // Frame buffer length
299     Offs(0x40, gammaDir); // Gamma directory
300     Rsrc(0x7d, 6); // Video attributes: Default to color, built-in
301     Offs(0x80, vidMode); // Video mode parameters
302     EndOfList();
303    
304     // CPU sResource
305     cpuType = p; // Literals
306     Word(10); Word(3); Word(0); Word(24); // CPU 68020
307     cpuName = p;
308     String("CPU_68020");
309     cpuMajor = p;
310     Long(0); Long(0x7fffffff);
311     cpuMinor = p;
312     Long(0xf0800000); Long(0xf0ffffff);
313    
314     sRsrcCPU = p;
315     Offs(0x01, cpuType); // Type descriptor
316     Offs(0x02, cpuName); // CPU name
317     Offs(0x81, cpuMajor); // Major RAM space
318     Offs(0x82, cpuMinor); // Minor RAM space
319     EndOfList();
320    
321     // Ethernet sResource
322     etherType = p; // Literals
323     Word(4); Word(1); Word(1); Word(0x4232); // Network Ethernet Apple 'B2'
324     etherName = p;
325     String("Network_Ethernet_Apple_BasiliskII");
326    
327     etherDrvr = p; // Video driver
328     Long(0x88); // Length
329     Word(0x4400); Word(0); Word(0); Word(0);
330     Word(0x4a); // Open offset
331     Word(0x4e); // Prime offset
332     Word(0x52); // Control offset
333     Word(0x4e); // Status offset
334     Word(0x82); // Close offset
335     PString(".ENET");
336     Word(0x0111); Word(0x8000); // Driver version
337     Word(0);
338     PString("1.1.1 ");
339     PString("Basilisk II Ethernet Network Driver");
340     Word(M68K_EMUL_OP_ETHER_OPEN); // Open()
341     Word(0x4e75);
342     Word(0x70ef); // Prime()/Status()
343     Word(0x600c);
344     Word(M68K_EMUL_OP_ETHER_CONTROL); // Control()
345     Word(0x0c68); Word(0x0001); Word(0x001a);
346     Word(0x6602);
347     Word(0x4e75);
348     Word(0x3228); Word(0x0006); // IOReturn
349     Word(0x0801); Word(0x0009);
350     Word(0x670c);
351     Word(0x4a40);
352     Word(0x6f02);
353     Word(0x4240);
354     Word(0x3140); Word(0x0010);
355     Word(0x4e75);
356     Word(0x4a40);
357     Word(0x6f04);
358     Word(0x4240);
359     Word(0x4e75);
360     Word(0x2f38); Word(0x08fc);
361     Word(0x4e75);
362     Word(0x70e8); // Close()
363     Word(0x4e75);
364    
365     etherDrvrDir = p; // Driver directory
366     Offs(0x02, etherDrvr); // sMacOS68020
367     EndOfList();
368    
369     sRsrcEther = p;
370     Offs(0x01, etherType); // Type descriptor
371     Offs(0x02, etherName); // Driver name
372     Offs(0x04, etherDrvrDir); // Driver directory
373     Rsrc(0x07, 2); // Flags: OpenAtStart
374     Rsrc(0x08, 0x4232); // Hardware device ID ('B2')
375     EndOfList();
376    
377     // sResource directory
378     sRsrcDir = p;
379     Offs(0x01, sRsrcBoard);
380     Offs(0x80, sRsrcVideo);
381     Offs(0xf0, sRsrcCPU);
382     Offs(0xf1, sRsrcEther);
383     EndOfList();
384    
385     // Format/header block
386     Offs(0, sRsrcDir); // sResource directory
387     Long(p + 16); // Length of declaration data
388     Long(0); // CRC (calculated below)
389     Word(0x0101); // Rev. level, format
390     Long(0x5a932bc7); // Test pattern
391     Word(0x000f); // Byte lanes
392    
393     // Calculate CRC
394     uint32 crc = 0;
395 cebix 1.2 for (uint32 i=0; i<p; i++) {
396 cebix 1.1 crc = (crc << 1) | (crc >> 31);
397     crc += srom[i];
398     }
399     srom[p - 12] = crc >> 24;
400     srom[p - 11] = crc >> 16;
401     srom[p - 10] = crc >> 8;
402     srom[p - 9] = crc;
403    
404     // Copy slot ROM to Mac ROM
405     memcpy(ROMBaseHost + ROMSize - p, srom, p);
406     return true;
407     }