root / hw / cirrus_vga.c @ b7169916
History | View | Annotate | Download (100 kB)
1 |
/*
|
---|---|
2 |
* QEMU Cirrus CLGD 54xx VGA Emulator.
|
3 |
*
|
4 |
* Copyright (c) 2004 Fabrice Bellard
|
5 |
* Copyright (c) 2004 Makoto Suzuki (suzu)
|
6 |
*
|
7 |
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
8 |
* of this software and associated documentation files (the "Software"), to deal
|
9 |
* in the Software without restriction, including without limitation the rights
|
10 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
11 |
* copies of the Software, and to permit persons to whom the Software is
|
12 |
* furnished to do so, subject to the following conditions:
|
13 |
*
|
14 |
* The above copyright notice and this permission notice shall be included in
|
15 |
* all copies or substantial portions of the Software.
|
16 |
*
|
17 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
18 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
19 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
20 |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
21 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
22 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
23 |
* THE SOFTWARE.
|
24 |
*/
|
25 |
/*
|
26 |
* Reference: Finn Thogersons' VGADOC4b
|
27 |
* available at http://home.worldonline.dk/~finth/
|
28 |
*/
|
29 |
#include "hw.h" |
30 |
#include "pc.h" |
31 |
#include "pci.h" |
32 |
#include "console.h" |
33 |
#include "vga_int.h" |
34 |
#include "kvm.h" |
35 |
|
36 |
/*
|
37 |
* TODO:
|
38 |
* - destination write mask support not complete (bits 5..7)
|
39 |
* - optimize linear mappings
|
40 |
* - optimize bitblt functions
|
41 |
*/
|
42 |
|
43 |
//#define DEBUG_CIRRUS
|
44 |
//#define DEBUG_BITBLT
|
45 |
|
46 |
/***************************************
|
47 |
*
|
48 |
* definitions
|
49 |
*
|
50 |
***************************************/
|
51 |
|
52 |
#define qemu_MIN(a,b) ((a) < (b) ? (a) : (b))
|
53 |
|
54 |
// ID
|
55 |
#define CIRRUS_ID_CLGD5422 (0x23<<2) |
56 |
#define CIRRUS_ID_CLGD5426 (0x24<<2) |
57 |
#define CIRRUS_ID_CLGD5424 (0x25<<2) |
58 |
#define CIRRUS_ID_CLGD5428 (0x26<<2) |
59 |
#define CIRRUS_ID_CLGD5430 (0x28<<2) |
60 |
#define CIRRUS_ID_CLGD5434 (0x2A<<2) |
61 |
#define CIRRUS_ID_CLGD5436 (0x2B<<2) |
62 |
#define CIRRUS_ID_CLGD5446 (0x2E<<2) |
63 |
|
64 |
// sequencer 0x07
|
65 |
#define CIRRUS_SR7_BPP_VGA 0x00 |
66 |
#define CIRRUS_SR7_BPP_SVGA 0x01 |
67 |
#define CIRRUS_SR7_BPP_MASK 0x0e |
68 |
#define CIRRUS_SR7_BPP_8 0x00 |
69 |
#define CIRRUS_SR7_BPP_16_DOUBLEVCLK 0x02 |
70 |
#define CIRRUS_SR7_BPP_24 0x04 |
71 |
#define CIRRUS_SR7_BPP_16 0x06 |
72 |
#define CIRRUS_SR7_BPP_32 0x08 |
73 |
#define CIRRUS_SR7_ISAADDR_MASK 0xe0 |
74 |
|
75 |
// sequencer 0x0f
|
76 |
#define CIRRUS_MEMSIZE_512k 0x08 |
77 |
#define CIRRUS_MEMSIZE_1M 0x10 |
78 |
#define CIRRUS_MEMSIZE_2M 0x18 |
79 |
#define CIRRUS_MEMFLAGS_BANKSWITCH 0x80 // bank switching is enabled. |
80 |
|
81 |
// sequencer 0x12
|
82 |
#define CIRRUS_CURSOR_SHOW 0x01 |
83 |
#define CIRRUS_CURSOR_HIDDENPEL 0x02 |
84 |
#define CIRRUS_CURSOR_LARGE 0x04 // 64x64 if set, 32x32 if clear |
85 |
|
86 |
// sequencer 0x17
|
87 |
#define CIRRUS_BUSTYPE_VLBFAST 0x10 |
88 |
#define CIRRUS_BUSTYPE_PCI 0x20 |
89 |
#define CIRRUS_BUSTYPE_VLBSLOW 0x30 |
90 |
#define CIRRUS_BUSTYPE_ISA 0x38 |
91 |
#define CIRRUS_MMIO_ENABLE 0x04 |
92 |
#define CIRRUS_MMIO_USE_PCIADDR 0x40 // 0xb8000 if cleared. |
93 |
#define CIRRUS_MEMSIZEEXT_DOUBLE 0x80 |
94 |
|
95 |
// control 0x0b
|
96 |
#define CIRRUS_BANKING_DUAL 0x01 |
97 |
#define CIRRUS_BANKING_GRANULARITY_16K 0x20 // set:16k, clear:4k |
98 |
|
99 |
// control 0x30
|
100 |
#define CIRRUS_BLTMODE_BACKWARDS 0x01 |
101 |
#define CIRRUS_BLTMODE_MEMSYSDEST 0x02 |
102 |
#define CIRRUS_BLTMODE_MEMSYSSRC 0x04 |
103 |
#define CIRRUS_BLTMODE_TRANSPARENTCOMP 0x08 |
104 |
#define CIRRUS_BLTMODE_PATTERNCOPY 0x40 |
105 |
#define CIRRUS_BLTMODE_COLOREXPAND 0x80 |
106 |
#define CIRRUS_BLTMODE_PIXELWIDTHMASK 0x30 |
107 |
#define CIRRUS_BLTMODE_PIXELWIDTH8 0x00 |
108 |
#define CIRRUS_BLTMODE_PIXELWIDTH16 0x10 |
109 |
#define CIRRUS_BLTMODE_PIXELWIDTH24 0x20 |
110 |
#define CIRRUS_BLTMODE_PIXELWIDTH32 0x30 |
111 |
|
112 |
// control 0x31
|
113 |
#define CIRRUS_BLT_BUSY 0x01 |
114 |
#define CIRRUS_BLT_START 0x02 |
115 |
#define CIRRUS_BLT_RESET 0x04 |
116 |
#define CIRRUS_BLT_FIFOUSED 0x10 |
117 |
#define CIRRUS_BLT_AUTOSTART 0x80 |
118 |
|
119 |
// control 0x32
|
120 |
#define CIRRUS_ROP_0 0x00 |
121 |
#define CIRRUS_ROP_SRC_AND_DST 0x05 |
122 |
#define CIRRUS_ROP_NOP 0x06 |
123 |
#define CIRRUS_ROP_SRC_AND_NOTDST 0x09 |
124 |
#define CIRRUS_ROP_NOTDST 0x0b |
125 |
#define CIRRUS_ROP_SRC 0x0d |
126 |
#define CIRRUS_ROP_1 0x0e |
127 |
#define CIRRUS_ROP_NOTSRC_AND_DST 0x50 |
128 |
#define CIRRUS_ROP_SRC_XOR_DST 0x59 |
129 |
#define CIRRUS_ROP_SRC_OR_DST 0x6d |
130 |
#define CIRRUS_ROP_NOTSRC_OR_NOTDST 0x90 |
131 |
#define CIRRUS_ROP_SRC_NOTXOR_DST 0x95 |
132 |
#define CIRRUS_ROP_SRC_OR_NOTDST 0xad |
133 |
#define CIRRUS_ROP_NOTSRC 0xd0 |
134 |
#define CIRRUS_ROP_NOTSRC_OR_DST 0xd6 |
135 |
#define CIRRUS_ROP_NOTSRC_AND_NOTDST 0xda |
136 |
|
137 |
#define CIRRUS_ROP_NOP_INDEX 2 |
138 |
#define CIRRUS_ROP_SRC_INDEX 5 |
139 |
|
140 |
// control 0x33
|
141 |
#define CIRRUS_BLTMODEEXT_SOLIDFILL 0x04 |
142 |
#define CIRRUS_BLTMODEEXT_COLOREXPINV 0x02 |
143 |
#define CIRRUS_BLTMODEEXT_DWORDGRANULARITY 0x01 |
144 |
|
145 |
// memory-mapped IO
|
146 |
#define CIRRUS_MMIO_BLTBGCOLOR 0x00 // dword |
147 |
#define CIRRUS_MMIO_BLTFGCOLOR 0x04 // dword |
148 |
#define CIRRUS_MMIO_BLTWIDTH 0x08 // word |
149 |
#define CIRRUS_MMIO_BLTHEIGHT 0x0a // word |
150 |
#define CIRRUS_MMIO_BLTDESTPITCH 0x0c // word |
151 |
#define CIRRUS_MMIO_BLTSRCPITCH 0x0e // word |
152 |
#define CIRRUS_MMIO_BLTDESTADDR 0x10 // dword |
153 |
#define CIRRUS_MMIO_BLTSRCADDR 0x14 // dword |
154 |
#define CIRRUS_MMIO_BLTWRITEMASK 0x17 // byte |
155 |
#define CIRRUS_MMIO_BLTMODE 0x18 // byte |
156 |
#define CIRRUS_MMIO_BLTROP 0x1a // byte |
157 |
#define CIRRUS_MMIO_BLTMODEEXT 0x1b // byte |
158 |
#define CIRRUS_MMIO_BLTTRANSPARENTCOLOR 0x1c // word? |
159 |
#define CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK 0x20 // word? |
160 |
#define CIRRUS_MMIO_LINEARDRAW_START_X 0x24 // word |
161 |
#define CIRRUS_MMIO_LINEARDRAW_START_Y 0x26 // word |
162 |
#define CIRRUS_MMIO_LINEARDRAW_END_X 0x28 // word |
163 |
#define CIRRUS_MMIO_LINEARDRAW_END_Y 0x2a // word |
164 |
#define CIRRUS_MMIO_LINEARDRAW_LINESTYLE_INC 0x2c // byte |
165 |
#define CIRRUS_MMIO_LINEARDRAW_LINESTYLE_ROLLOVER 0x2d // byte |
166 |
#define CIRRUS_MMIO_LINEARDRAW_LINESTYLE_MASK 0x2e // byte |
167 |
#define CIRRUS_MMIO_LINEARDRAW_LINESTYLE_ACCUM 0x2f // byte |
168 |
#define CIRRUS_MMIO_BRESENHAM_K1 0x30 // word |
169 |
#define CIRRUS_MMIO_BRESENHAM_K3 0x32 // word |
170 |
#define CIRRUS_MMIO_BRESENHAM_ERROR 0x34 // word |
171 |
#define CIRRUS_MMIO_BRESENHAM_DELTA_MAJOR 0x36 // word |
172 |
#define CIRRUS_MMIO_BRESENHAM_DIRECTION 0x38 // byte |
173 |
#define CIRRUS_MMIO_LINEDRAW_MODE 0x39 // byte |
174 |
#define CIRRUS_MMIO_BLTSTATUS 0x40 // byte |
175 |
|
176 |
// PCI 0x02: device
|
177 |
#define PCI_DEVICE_CLGD5462 0x00d0 |
178 |
#define PCI_DEVICE_CLGD5465 0x00d6 |
179 |
|
180 |
// PCI 0x04: command(word), 0x06(word): status
|
181 |
#define PCI_COMMAND_IOACCESS 0x0001 |
182 |
#define PCI_COMMAND_MEMACCESS 0x0002 |
183 |
#define PCI_COMMAND_BUSMASTER 0x0004 |
184 |
#define PCI_COMMAND_SPECIALCYCLE 0x0008 |
185 |
#define PCI_COMMAND_MEMWRITEINVALID 0x0010 |
186 |
#define PCI_COMMAND_PALETTESNOOPING 0x0020 |
187 |
#define PCI_COMMAND_PARITYDETECTION 0x0040 |
188 |
#define PCI_COMMAND_ADDRESSDATASTEPPING 0x0080 |
189 |
#define PCI_COMMAND_SERR 0x0100 |
190 |
#define PCI_COMMAND_BACKTOBACKTRANS 0x0200 |
191 |
// PCI 0x08, 0xff000000 (0x09-0x0b:class,0x08:rev)
|
192 |
#define PCI_CLASS_BASE_DISPLAY 0x03 |
193 |
// PCI 0x08, 0x00ff0000
|
194 |
#define PCI_CLASS_SUB_VGA 0x00 |
195 |
// PCI 0x0c, 0x00ff0000 (0x0c:cacheline,0x0d:latency,0x0e:headertype,0x0f:Built-in self test)
|
196 |
#define PCI_CLASS_HEADERTYPE_00h 0x00 |
197 |
// 0x10-0x3f (headertype 00h)
|
198 |
// PCI 0x10,0x14,0x18,0x1c,0x20,0x24: base address mapping registers
|
199 |
// 0x10: MEMBASE, 0x14: IOBASE(hard-coded in XFree86 3.x)
|
200 |
#define PCI_MAP_MEM 0x0 |
201 |
#define PCI_MAP_IO 0x1 |
202 |
#define PCI_MAP_MEM_ADDR_MASK (~0xf) |
203 |
#define PCI_MAP_IO_ADDR_MASK (~0x3) |
204 |
#define PCI_MAP_MEMFLAGS_32BIT 0x0 |
205 |
#define PCI_MAP_MEMFLAGS_32BIT_1M 0x1 |
206 |
#define PCI_MAP_MEMFLAGS_64BIT 0x4 |
207 |
#define PCI_MAP_MEMFLAGS_CACHEABLE 0x8 |
208 |
// PCI 0x28: cardbus CIS pointer
|
209 |
// PCI 0x2c: subsystem vendor id, 0x2e: subsystem id
|
210 |
// PCI 0x30: expansion ROM base address
|
211 |
#define PCI_ROMBIOS_ENABLED 0x1 |
212 |
// PCI 0x34: 0xffffff00=reserved, 0x000000ff=capabilities pointer
|
213 |
// PCI 0x38: reserved
|
214 |
// PCI 0x3c: 0x3c=int-line, 0x3d=int-pin, 0x3e=min-gnt, 0x3f=maax-lat
|
215 |
|
216 |
#define CIRRUS_PNPMMIO_SIZE 0x1000 |
217 |
|
218 |
|
219 |
/* I/O and memory hook */
|
220 |
#define CIRRUS_HOOK_NOT_HANDLED 0 |
221 |
#define CIRRUS_HOOK_HANDLED 1 |
222 |
|
223 |
#define ABS(a) ((signed)(a) > 0 ? a : -a) |
224 |
|
225 |
#define BLTUNSAFE(s) \
|
226 |
( \ |
227 |
( /* check dst is within bounds */ \
|
228 |
(s)->cirrus_blt_height * ABS((s)->cirrus_blt_dstpitch) \ |
229 |
+ ((s)->cirrus_blt_dstaddr & (s)->cirrus_addr_mask) > \ |
230 |
(s)->vram_size \ |
231 |
) || \ |
232 |
( /* check src is within bounds */ \
|
233 |
(s)->cirrus_blt_height * ABS((s)->cirrus_blt_srcpitch) \ |
234 |
+ ((s)->cirrus_blt_srcaddr & (s)->cirrus_addr_mask) > \ |
235 |
(s)->vram_size \ |
236 |
) \ |
237 |
) |
238 |
|
239 |
struct CirrusVGAState;
|
240 |
typedef void (*cirrus_bitblt_rop_t) (struct CirrusVGAState *s, |
241 |
uint8_t * dst, const uint8_t * src,
|
242 |
int dstpitch, int srcpitch, |
243 |
int bltwidth, int bltheight); |
244 |
typedef void (*cirrus_fill_t)(struct CirrusVGAState *s, |
245 |
uint8_t *dst, int dst_pitch, int width, int height); |
246 |
|
247 |
typedef struct CirrusVGAState { |
248 |
VGA_STATE_COMMON |
249 |
|
250 |
int cirrus_linear_io_addr;
|
251 |
int cirrus_linear_bitblt_io_addr;
|
252 |
int cirrus_mmio_io_addr;
|
253 |
uint32_t cirrus_addr_mask; |
254 |
uint32_t linear_mmio_mask; |
255 |
uint8_t cirrus_shadow_gr0; |
256 |
uint8_t cirrus_shadow_gr1; |
257 |
uint8_t cirrus_hidden_dac_lockindex; |
258 |
uint8_t cirrus_hidden_dac_data; |
259 |
uint32_t cirrus_bank_base[2];
|
260 |
uint32_t cirrus_bank_limit[2];
|
261 |
uint8_t cirrus_hidden_palette[48];
|
262 |
uint32_t hw_cursor_x; |
263 |
uint32_t hw_cursor_y; |
264 |
int cirrus_blt_pixelwidth;
|
265 |
int cirrus_blt_width;
|
266 |
int cirrus_blt_height;
|
267 |
int cirrus_blt_dstpitch;
|
268 |
int cirrus_blt_srcpitch;
|
269 |
uint32_t cirrus_blt_fgcol; |
270 |
uint32_t cirrus_blt_bgcol; |
271 |
uint32_t cirrus_blt_dstaddr; |
272 |
uint32_t cirrus_blt_srcaddr; |
273 |
uint8_t cirrus_blt_mode; |
274 |
uint8_t cirrus_blt_modeext; |
275 |
cirrus_bitblt_rop_t cirrus_rop; |
276 |
#define CIRRUS_BLTBUFSIZE (2048 * 4) /* one line width */ |
277 |
uint8_t cirrus_bltbuf[CIRRUS_BLTBUFSIZE]; |
278 |
uint8_t *cirrus_srcptr; |
279 |
uint8_t *cirrus_srcptr_end; |
280 |
uint32_t cirrus_srccounter; |
281 |
/* hwcursor display state */
|
282 |
int last_hw_cursor_size;
|
283 |
int last_hw_cursor_x;
|
284 |
int last_hw_cursor_y;
|
285 |
int last_hw_cursor_y_start;
|
286 |
int last_hw_cursor_y_end;
|
287 |
int real_vram_size; /* XXX: suppress that */ |
288 |
CPUWriteMemoryFunc **cirrus_linear_write; |
289 |
int device_id;
|
290 |
int bustype;
|
291 |
} CirrusVGAState; |
292 |
|
293 |
typedef struct PCICirrusVGAState { |
294 |
PCIDevice dev; |
295 |
CirrusVGAState cirrus_vga; |
296 |
} PCICirrusVGAState; |
297 |
|
298 |
static uint8_t rop_to_index[256]; |
299 |
|
300 |
/***************************************
|
301 |
*
|
302 |
* prototypes.
|
303 |
*
|
304 |
***************************************/
|
305 |
|
306 |
|
307 |
static void cirrus_bitblt_reset(CirrusVGAState *s); |
308 |
static void cirrus_update_memory_access(CirrusVGAState *s); |
309 |
|
310 |
/***************************************
|
311 |
*
|
312 |
* raster operations
|
313 |
*
|
314 |
***************************************/
|
315 |
|
316 |
static void cirrus_bitblt_rop_nop(CirrusVGAState *s, |
317 |
uint8_t *dst,const uint8_t *src,
|
318 |
int dstpitch,int srcpitch, |
319 |
int bltwidth,int bltheight) |
320 |
{ |
321 |
} |
322 |
|
323 |
static void cirrus_bitblt_fill_nop(CirrusVGAState *s, |
324 |
uint8_t *dst, |
325 |
int dstpitch, int bltwidth,int bltheight) |
326 |
{ |
327 |
} |
328 |
|
329 |
#define ROP_NAME 0 |
330 |
#define ROP_OP(d, s) d = 0 |
331 |
#include "cirrus_vga_rop.h" |
332 |
|
333 |
#define ROP_NAME src_and_dst
|
334 |
#define ROP_OP(d, s) d = (s) & (d)
|
335 |
#include "cirrus_vga_rop.h" |
336 |
|
337 |
#define ROP_NAME src_and_notdst
|
338 |
#define ROP_OP(d, s) d = (s) & (~(d))
|
339 |
#include "cirrus_vga_rop.h" |
340 |
|
341 |
#define ROP_NAME notdst
|
342 |
#define ROP_OP(d, s) d = ~(d)
|
343 |
#include "cirrus_vga_rop.h" |
344 |
|
345 |
#define ROP_NAME src
|
346 |
#define ROP_OP(d, s) d = s
|
347 |
#include "cirrus_vga_rop.h" |
348 |
|
349 |
#define ROP_NAME 1 |
350 |
#define ROP_OP(d, s) d = ~0 |
351 |
#include "cirrus_vga_rop.h" |
352 |
|
353 |
#define ROP_NAME notsrc_and_dst
|
354 |
#define ROP_OP(d, s) d = (~(s)) & (d)
|
355 |
#include "cirrus_vga_rop.h" |
356 |
|
357 |
#define ROP_NAME src_xor_dst
|
358 |
#define ROP_OP(d, s) d = (s) ^ (d)
|
359 |
#include "cirrus_vga_rop.h" |
360 |
|
361 |
#define ROP_NAME src_or_dst
|
362 |
#define ROP_OP(d, s) d = (s) | (d)
|
363 |
#include "cirrus_vga_rop.h" |
364 |
|
365 |
#define ROP_NAME notsrc_or_notdst
|
366 |
#define ROP_OP(d, s) d = (~(s)) | (~(d))
|
367 |
#include "cirrus_vga_rop.h" |
368 |
|
369 |
#define ROP_NAME src_notxor_dst
|
370 |
#define ROP_OP(d, s) d = ~((s) ^ (d))
|
371 |
#include "cirrus_vga_rop.h" |
372 |
|
373 |
#define ROP_NAME src_or_notdst
|
374 |
#define ROP_OP(d, s) d = (s) | (~(d))
|
375 |
#include "cirrus_vga_rop.h" |
376 |
|
377 |
#define ROP_NAME notsrc
|
378 |
#define ROP_OP(d, s) d = (~(s))
|
379 |
#include "cirrus_vga_rop.h" |
380 |
|
381 |
#define ROP_NAME notsrc_or_dst
|
382 |
#define ROP_OP(d, s) d = (~(s)) | (d)
|
383 |
#include "cirrus_vga_rop.h" |
384 |
|
385 |
#define ROP_NAME notsrc_and_notdst
|
386 |
#define ROP_OP(d, s) d = (~(s)) & (~(d))
|
387 |
#include "cirrus_vga_rop.h" |
388 |
|
389 |
static const cirrus_bitblt_rop_t cirrus_fwd_rop[16] = { |
390 |
cirrus_bitblt_rop_fwd_0, |
391 |
cirrus_bitblt_rop_fwd_src_and_dst, |
392 |
cirrus_bitblt_rop_nop, |
393 |
cirrus_bitblt_rop_fwd_src_and_notdst, |
394 |
cirrus_bitblt_rop_fwd_notdst, |
395 |
cirrus_bitblt_rop_fwd_src, |
396 |
cirrus_bitblt_rop_fwd_1, |
397 |
cirrus_bitblt_rop_fwd_notsrc_and_dst, |
398 |
cirrus_bitblt_rop_fwd_src_xor_dst, |
399 |
cirrus_bitblt_rop_fwd_src_or_dst, |
400 |
cirrus_bitblt_rop_fwd_notsrc_or_notdst, |
401 |
cirrus_bitblt_rop_fwd_src_notxor_dst, |
402 |
cirrus_bitblt_rop_fwd_src_or_notdst, |
403 |
cirrus_bitblt_rop_fwd_notsrc, |
404 |
cirrus_bitblt_rop_fwd_notsrc_or_dst, |
405 |
cirrus_bitblt_rop_fwd_notsrc_and_notdst, |
406 |
}; |
407 |
|
408 |
static const cirrus_bitblt_rop_t cirrus_bkwd_rop[16] = { |
409 |
cirrus_bitblt_rop_bkwd_0, |
410 |
cirrus_bitblt_rop_bkwd_src_and_dst, |
411 |
cirrus_bitblt_rop_nop, |
412 |
cirrus_bitblt_rop_bkwd_src_and_notdst, |
413 |
cirrus_bitblt_rop_bkwd_notdst, |
414 |
cirrus_bitblt_rop_bkwd_src, |
415 |
cirrus_bitblt_rop_bkwd_1, |
416 |
cirrus_bitblt_rop_bkwd_notsrc_and_dst, |
417 |
cirrus_bitblt_rop_bkwd_src_xor_dst, |
418 |
cirrus_bitblt_rop_bkwd_src_or_dst, |
419 |
cirrus_bitblt_rop_bkwd_notsrc_or_notdst, |
420 |
cirrus_bitblt_rop_bkwd_src_notxor_dst, |
421 |
cirrus_bitblt_rop_bkwd_src_or_notdst, |
422 |
cirrus_bitblt_rop_bkwd_notsrc, |
423 |
cirrus_bitblt_rop_bkwd_notsrc_or_dst, |
424 |
cirrus_bitblt_rop_bkwd_notsrc_and_notdst, |
425 |
}; |
426 |
|
427 |
#define TRANSP_ROP(name) {\
|
428 |
name ## _8,\ |
429 |
name ## _16,\ |
430 |
} |
431 |
#define TRANSP_NOP(func) {\
|
432 |
func,\ |
433 |
func,\ |
434 |
} |
435 |
|
436 |
static const cirrus_bitblt_rop_t cirrus_fwd_transp_rop[16][2] = { |
437 |
TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_0), |
438 |
TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_and_dst), |
439 |
TRANSP_NOP(cirrus_bitblt_rop_nop), |
440 |
TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_and_notdst), |
441 |
TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notdst), |
442 |
TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src), |
443 |
TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_1), |
444 |
TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_and_dst), |
445 |
TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_xor_dst), |
446 |
TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_or_dst), |
447 |
TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_or_notdst), |
448 |
TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_notxor_dst), |
449 |
TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_or_notdst), |
450 |
TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc), |
451 |
TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_or_dst), |
452 |
TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_and_notdst), |
453 |
}; |
454 |
|
455 |
static const cirrus_bitblt_rop_t cirrus_bkwd_transp_rop[16][2] = { |
456 |
TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_0), |
457 |
TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_and_dst), |
458 |
TRANSP_NOP(cirrus_bitblt_rop_nop), |
459 |
TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_and_notdst), |
460 |
TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notdst), |
461 |
TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src), |
462 |
TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_1), |
463 |
TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_and_dst), |
464 |
TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_xor_dst), |
465 |
TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_or_dst), |
466 |
TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_or_notdst), |
467 |
TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_notxor_dst), |
468 |
TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_or_notdst), |
469 |
TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc), |
470 |
TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_or_dst), |
471 |
TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_and_notdst), |
472 |
}; |
473 |
|
474 |
#define ROP2(name) {\
|
475 |
name ## _8,\ |
476 |
name ## _16,\ |
477 |
name ## _24,\ |
478 |
name ## _32,\ |
479 |
} |
480 |
|
481 |
#define ROP_NOP2(func) {\
|
482 |
func,\ |
483 |
func,\ |
484 |
func,\ |
485 |
func,\ |
486 |
} |
487 |
|
488 |
static const cirrus_bitblt_rop_t cirrus_patternfill[16][4] = { |
489 |
ROP2(cirrus_patternfill_0), |
490 |
ROP2(cirrus_patternfill_src_and_dst), |
491 |
ROP_NOP2(cirrus_bitblt_rop_nop), |
492 |
ROP2(cirrus_patternfill_src_and_notdst), |
493 |
ROP2(cirrus_patternfill_notdst), |
494 |
ROP2(cirrus_patternfill_src), |
495 |
ROP2(cirrus_patternfill_1), |
496 |
ROP2(cirrus_patternfill_notsrc_and_dst), |
497 |
ROP2(cirrus_patternfill_src_xor_dst), |
498 |
ROP2(cirrus_patternfill_src_or_dst), |
499 |
ROP2(cirrus_patternfill_notsrc_or_notdst), |
500 |
ROP2(cirrus_patternfill_src_notxor_dst), |
501 |
ROP2(cirrus_patternfill_src_or_notdst), |
502 |
ROP2(cirrus_patternfill_notsrc), |
503 |
ROP2(cirrus_patternfill_notsrc_or_dst), |
504 |
ROP2(cirrus_patternfill_notsrc_and_notdst), |
505 |
}; |
506 |
|
507 |
static const cirrus_bitblt_rop_t cirrus_colorexpand_transp[16][4] = { |
508 |
ROP2(cirrus_colorexpand_transp_0), |
509 |
ROP2(cirrus_colorexpand_transp_src_and_dst), |
510 |
ROP_NOP2(cirrus_bitblt_rop_nop), |
511 |
ROP2(cirrus_colorexpand_transp_src_and_notdst), |
512 |
ROP2(cirrus_colorexpand_transp_notdst), |
513 |
ROP2(cirrus_colorexpand_transp_src), |
514 |
ROP2(cirrus_colorexpand_transp_1), |
515 |
ROP2(cirrus_colorexpand_transp_notsrc_and_dst), |
516 |
ROP2(cirrus_colorexpand_transp_src_xor_dst), |
517 |
ROP2(cirrus_colorexpand_transp_src_or_dst), |
518 |
ROP2(cirrus_colorexpand_transp_notsrc_or_notdst), |
519 |
ROP2(cirrus_colorexpand_transp_src_notxor_dst), |
520 |
ROP2(cirrus_colorexpand_transp_src_or_notdst), |
521 |
ROP2(cirrus_colorexpand_transp_notsrc), |
522 |
ROP2(cirrus_colorexpand_transp_notsrc_or_dst), |
523 |
ROP2(cirrus_colorexpand_transp_notsrc_and_notdst), |
524 |
}; |
525 |
|
526 |
static const cirrus_bitblt_rop_t cirrus_colorexpand[16][4] = { |
527 |
ROP2(cirrus_colorexpand_0), |
528 |
ROP2(cirrus_colorexpand_src_and_dst), |
529 |
ROP_NOP2(cirrus_bitblt_rop_nop), |
530 |
ROP2(cirrus_colorexpand_src_and_notdst), |
531 |
ROP2(cirrus_colorexpand_notdst), |
532 |
ROP2(cirrus_colorexpand_src), |
533 |
ROP2(cirrus_colorexpand_1), |
534 |
ROP2(cirrus_colorexpand_notsrc_and_dst), |
535 |
ROP2(cirrus_colorexpand_src_xor_dst), |
536 |
ROP2(cirrus_colorexpand_src_or_dst), |
537 |
ROP2(cirrus_colorexpand_notsrc_or_notdst), |
538 |
ROP2(cirrus_colorexpand_src_notxor_dst), |
539 |
ROP2(cirrus_colorexpand_src_or_notdst), |
540 |
ROP2(cirrus_colorexpand_notsrc), |
541 |
ROP2(cirrus_colorexpand_notsrc_or_dst), |
542 |
ROP2(cirrus_colorexpand_notsrc_and_notdst), |
543 |
}; |
544 |
|
545 |
static const cirrus_bitblt_rop_t cirrus_colorexpand_pattern_transp[16][4] = { |
546 |
ROP2(cirrus_colorexpand_pattern_transp_0), |
547 |
ROP2(cirrus_colorexpand_pattern_transp_src_and_dst), |
548 |
ROP_NOP2(cirrus_bitblt_rop_nop), |
549 |
ROP2(cirrus_colorexpand_pattern_transp_src_and_notdst), |
550 |
ROP2(cirrus_colorexpand_pattern_transp_notdst), |
551 |
ROP2(cirrus_colorexpand_pattern_transp_src), |
552 |
ROP2(cirrus_colorexpand_pattern_transp_1), |
553 |
ROP2(cirrus_colorexpand_pattern_transp_notsrc_and_dst), |
554 |
ROP2(cirrus_colorexpand_pattern_transp_src_xor_dst), |
555 |
ROP2(cirrus_colorexpand_pattern_transp_src_or_dst), |
556 |
ROP2(cirrus_colorexpand_pattern_transp_notsrc_or_notdst), |
557 |
ROP2(cirrus_colorexpand_pattern_transp_src_notxor_dst), |
558 |
ROP2(cirrus_colorexpand_pattern_transp_src_or_notdst), |
559 |
ROP2(cirrus_colorexpand_pattern_transp_notsrc), |
560 |
ROP2(cirrus_colorexpand_pattern_transp_notsrc_or_dst), |
561 |
ROP2(cirrus_colorexpand_pattern_transp_notsrc_and_notdst), |
562 |
}; |
563 |
|
564 |
static const cirrus_bitblt_rop_t cirrus_colorexpand_pattern[16][4] = { |
565 |
ROP2(cirrus_colorexpand_pattern_0), |
566 |
ROP2(cirrus_colorexpand_pattern_src_and_dst), |
567 |
ROP_NOP2(cirrus_bitblt_rop_nop), |
568 |
ROP2(cirrus_colorexpand_pattern_src_and_notdst), |
569 |
ROP2(cirrus_colorexpand_pattern_notdst), |
570 |
ROP2(cirrus_colorexpand_pattern_src), |
571 |
ROP2(cirrus_colorexpand_pattern_1), |
572 |
ROP2(cirrus_colorexpand_pattern_notsrc_and_dst), |
573 |
ROP2(cirrus_colorexpand_pattern_src_xor_dst), |
574 |
ROP2(cirrus_colorexpand_pattern_src_or_dst), |
575 |
ROP2(cirrus_colorexpand_pattern_notsrc_or_notdst), |
576 |
ROP2(cirrus_colorexpand_pattern_src_notxor_dst), |
577 |
ROP2(cirrus_colorexpand_pattern_src_or_notdst), |
578 |
ROP2(cirrus_colorexpand_pattern_notsrc), |
579 |
ROP2(cirrus_colorexpand_pattern_notsrc_or_dst), |
580 |
ROP2(cirrus_colorexpand_pattern_notsrc_and_notdst), |
581 |
}; |
582 |
|
583 |
static const cirrus_fill_t cirrus_fill[16][4] = { |
584 |
ROP2(cirrus_fill_0), |
585 |
ROP2(cirrus_fill_src_and_dst), |
586 |
ROP_NOP2(cirrus_bitblt_fill_nop), |
587 |
ROP2(cirrus_fill_src_and_notdst), |
588 |
ROP2(cirrus_fill_notdst), |
589 |
ROP2(cirrus_fill_src), |
590 |
ROP2(cirrus_fill_1), |
591 |
ROP2(cirrus_fill_notsrc_and_dst), |
592 |
ROP2(cirrus_fill_src_xor_dst), |
593 |
ROP2(cirrus_fill_src_or_dst), |
594 |
ROP2(cirrus_fill_notsrc_or_notdst), |
595 |
ROP2(cirrus_fill_src_notxor_dst), |
596 |
ROP2(cirrus_fill_src_or_notdst), |
597 |
ROP2(cirrus_fill_notsrc), |
598 |
ROP2(cirrus_fill_notsrc_or_dst), |
599 |
ROP2(cirrus_fill_notsrc_and_notdst), |
600 |
}; |
601 |
|
602 |
static inline void cirrus_bitblt_fgcol(CirrusVGAState *s) |
603 |
{ |
604 |
unsigned int color; |
605 |
switch (s->cirrus_blt_pixelwidth) {
|
606 |
case 1: |
607 |
s->cirrus_blt_fgcol = s->cirrus_shadow_gr1; |
608 |
break;
|
609 |
case 2: |
610 |
color = s->cirrus_shadow_gr1 | (s->gr[0x11] << 8); |
611 |
s->cirrus_blt_fgcol = le16_to_cpu(color); |
612 |
break;
|
613 |
case 3: |
614 |
s->cirrus_blt_fgcol = s->cirrus_shadow_gr1 | |
615 |
(s->gr[0x11] << 8) | (s->gr[0x13] << 16); |
616 |
break;
|
617 |
default:
|
618 |
case 4: |
619 |
color = s->cirrus_shadow_gr1 | (s->gr[0x11] << 8) | |
620 |
(s->gr[0x13] << 16) | (s->gr[0x15] << 24); |
621 |
s->cirrus_blt_fgcol = le32_to_cpu(color); |
622 |
break;
|
623 |
} |
624 |
} |
625 |
|
626 |
static inline void cirrus_bitblt_bgcol(CirrusVGAState *s) |
627 |
{ |
628 |
unsigned int color; |
629 |
switch (s->cirrus_blt_pixelwidth) {
|
630 |
case 1: |
631 |
s->cirrus_blt_bgcol = s->cirrus_shadow_gr0; |
632 |
break;
|
633 |
case 2: |
634 |
color = s->cirrus_shadow_gr0 | (s->gr[0x10] << 8); |
635 |
s->cirrus_blt_bgcol = le16_to_cpu(color); |
636 |
break;
|
637 |
case 3: |
638 |
s->cirrus_blt_bgcol = s->cirrus_shadow_gr0 | |
639 |
(s->gr[0x10] << 8) | (s->gr[0x12] << 16); |
640 |
break;
|
641 |
default:
|
642 |
case 4: |
643 |
color = s->cirrus_shadow_gr0 | (s->gr[0x10] << 8) | |
644 |
(s->gr[0x12] << 16) | (s->gr[0x14] << 24); |
645 |
s->cirrus_blt_bgcol = le32_to_cpu(color); |
646 |
break;
|
647 |
} |
648 |
} |
649 |
|
650 |
static void cirrus_invalidate_region(CirrusVGAState * s, int off_begin, |
651 |
int off_pitch, int bytesperline, |
652 |
int lines)
|
653 |
{ |
654 |
int y;
|
655 |
int off_cur;
|
656 |
int off_cur_end;
|
657 |
|
658 |
for (y = 0; y < lines; y++) { |
659 |
off_cur = off_begin; |
660 |
off_cur_end = (off_cur + bytesperline) & s->cirrus_addr_mask; |
661 |
off_cur &= TARGET_PAGE_MASK; |
662 |
while (off_cur < off_cur_end) {
|
663 |
cpu_physical_memory_set_dirty(s->vram_offset + off_cur); |
664 |
off_cur += TARGET_PAGE_SIZE; |
665 |
} |
666 |
off_begin += off_pitch; |
667 |
} |
668 |
} |
669 |
|
670 |
static int cirrus_bitblt_common_patterncopy(CirrusVGAState * s, |
671 |
const uint8_t * src)
|
672 |
{ |
673 |
uint8_t *dst; |
674 |
|
675 |
dst = s->vram_ptr + (s->cirrus_blt_dstaddr & s->cirrus_addr_mask); |
676 |
|
677 |
if (BLTUNSAFE(s))
|
678 |
return 0; |
679 |
|
680 |
(*s->cirrus_rop) (s, dst, src, |
681 |
s->cirrus_blt_dstpitch, 0,
|
682 |
s->cirrus_blt_width, s->cirrus_blt_height); |
683 |
cirrus_invalidate_region(s, s->cirrus_blt_dstaddr, |
684 |
s->cirrus_blt_dstpitch, s->cirrus_blt_width, |
685 |
s->cirrus_blt_height); |
686 |
return 1; |
687 |
} |
688 |
|
689 |
/* fill */
|
690 |
|
691 |
static int cirrus_bitblt_solidfill(CirrusVGAState *s, int blt_rop) |
692 |
{ |
693 |
cirrus_fill_t rop_func; |
694 |
|
695 |
if (BLTUNSAFE(s))
|
696 |
return 0; |
697 |
rop_func = cirrus_fill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
|
698 |
rop_func(s, s->vram_ptr + (s->cirrus_blt_dstaddr & s->cirrus_addr_mask), |
699 |
s->cirrus_blt_dstpitch, |
700 |
s->cirrus_blt_width, s->cirrus_blt_height); |
701 |
cirrus_invalidate_region(s, s->cirrus_blt_dstaddr, |
702 |
s->cirrus_blt_dstpitch, s->cirrus_blt_width, |
703 |
s->cirrus_blt_height); |
704 |
cirrus_bitblt_reset(s); |
705 |
return 1; |
706 |
} |
707 |
|
708 |
/***************************************
|
709 |
*
|
710 |
* bitblt (video-to-video)
|
711 |
*
|
712 |
***************************************/
|
713 |
|
714 |
static int cirrus_bitblt_videotovideo_patterncopy(CirrusVGAState * s) |
715 |
{ |
716 |
return cirrus_bitblt_common_patterncopy(s,
|
717 |
s->vram_ptr + ((s->cirrus_blt_srcaddr & ~7) &
|
718 |
s->cirrus_addr_mask)); |
719 |
} |
720 |
|
721 |
static void cirrus_do_copy(CirrusVGAState *s, int dst, int src, int w, int h) |
722 |
{ |
723 |
int sx, sy;
|
724 |
int dx, dy;
|
725 |
int width, height;
|
726 |
int depth;
|
727 |
int notify = 0; |
728 |
|
729 |
depth = s->get_bpp((VGAState *)s) / 8;
|
730 |
s->get_resolution((VGAState *)s, &width, &height); |
731 |
|
732 |
/* extra x, y */
|
733 |
sx = (src % ABS(s->cirrus_blt_srcpitch)) / depth; |
734 |
sy = (src / ABS(s->cirrus_blt_srcpitch)); |
735 |
dx = (dst % ABS(s->cirrus_blt_dstpitch)) / depth; |
736 |
dy = (dst / ABS(s->cirrus_blt_dstpitch)); |
737 |
|
738 |
/* normalize width */
|
739 |
w /= depth; |
740 |
|
741 |
/* if we're doing a backward copy, we have to adjust
|
742 |
our x/y to be the upper left corner (instead of the lower
|
743 |
right corner) */
|
744 |
if (s->cirrus_blt_dstpitch < 0) { |
745 |
sx -= (s->cirrus_blt_width / depth) - 1;
|
746 |
dx -= (s->cirrus_blt_width / depth) - 1;
|
747 |
sy -= s->cirrus_blt_height - 1;
|
748 |
dy -= s->cirrus_blt_height - 1;
|
749 |
} |
750 |
|
751 |
/* are we in the visible portion of memory? */
|
752 |
if (sx >= 0 && sy >= 0 && dx >= 0 && dy >= 0 && |
753 |
(sx + w) <= width && (sy + h) <= height && |
754 |
(dx + w) <= width && (dy + h) <= height) { |
755 |
notify = 1;
|
756 |
} |
757 |
|
758 |
/* make to sure only copy if it's a plain copy ROP */
|
759 |
if (*s->cirrus_rop != cirrus_bitblt_rop_fwd_src &&
|
760 |
*s->cirrus_rop != cirrus_bitblt_rop_bkwd_src) |
761 |
notify = 0;
|
762 |
|
763 |
/* we have to flush all pending changes so that the copy
|
764 |
is generated at the appropriate moment in time */
|
765 |
if (notify)
|
766 |
vga_hw_update(); |
767 |
|
768 |
(*s->cirrus_rop) (s, s->vram_ptr + |
769 |
(s->cirrus_blt_dstaddr & s->cirrus_addr_mask), |
770 |
s->vram_ptr + |
771 |
(s->cirrus_blt_srcaddr & s->cirrus_addr_mask), |
772 |
s->cirrus_blt_dstpitch, s->cirrus_blt_srcpitch, |
773 |
s->cirrus_blt_width, s->cirrus_blt_height); |
774 |
|
775 |
if (notify)
|
776 |
qemu_console_copy(s->ds, |
777 |
sx, sy, dx, dy, |
778 |
s->cirrus_blt_width / depth, |
779 |
s->cirrus_blt_height); |
780 |
|
781 |
/* we don't have to notify the display that this portion has
|
782 |
changed since qemu_console_copy implies this */
|
783 |
|
784 |
cirrus_invalidate_region(s, s->cirrus_blt_dstaddr, |
785 |
s->cirrus_blt_dstpitch, s->cirrus_blt_width, |
786 |
s->cirrus_blt_height); |
787 |
} |
788 |
|
789 |
static int cirrus_bitblt_videotovideo_copy(CirrusVGAState * s) |
790 |
{ |
791 |
if (BLTUNSAFE(s))
|
792 |
return 0; |
793 |
|
794 |
cirrus_do_copy(s, s->cirrus_blt_dstaddr - s->start_addr, |
795 |
s->cirrus_blt_srcaddr - s->start_addr, |
796 |
s->cirrus_blt_width, s->cirrus_blt_height); |
797 |
|
798 |
return 1; |
799 |
} |
800 |
|
801 |
/***************************************
|
802 |
*
|
803 |
* bitblt (cpu-to-video)
|
804 |
*
|
805 |
***************************************/
|
806 |
|
807 |
static void cirrus_bitblt_cputovideo_next(CirrusVGAState * s) |
808 |
{ |
809 |
int copy_count;
|
810 |
uint8_t *end_ptr; |
811 |
|
812 |
if (s->cirrus_srccounter > 0) { |
813 |
if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) {
|
814 |
cirrus_bitblt_common_patterncopy(s, s->cirrus_bltbuf); |
815 |
the_end:
|
816 |
s->cirrus_srccounter = 0;
|
817 |
cirrus_bitblt_reset(s); |
818 |
} else {
|
819 |
/* at least one scan line */
|
820 |
do {
|
821 |
(*s->cirrus_rop)(s, s->vram_ptr + |
822 |
(s->cirrus_blt_dstaddr & s->cirrus_addr_mask), |
823 |
s->cirrus_bltbuf, 0, 0, s->cirrus_blt_width, 1); |
824 |
cirrus_invalidate_region(s, s->cirrus_blt_dstaddr, 0,
|
825 |
s->cirrus_blt_width, 1);
|
826 |
s->cirrus_blt_dstaddr += s->cirrus_blt_dstpitch; |
827 |
s->cirrus_srccounter -= s->cirrus_blt_srcpitch; |
828 |
if (s->cirrus_srccounter <= 0) |
829 |
goto the_end;
|
830 |
/* more bytes than needed can be transfered because of
|
831 |
word alignment, so we keep them for the next line */
|
832 |
/* XXX: keep alignment to speed up transfer */
|
833 |
end_ptr = s->cirrus_bltbuf + s->cirrus_blt_srcpitch; |
834 |
copy_count = s->cirrus_srcptr_end - end_ptr; |
835 |
memmove(s->cirrus_bltbuf, end_ptr, copy_count); |
836 |
s->cirrus_srcptr = s->cirrus_bltbuf + copy_count; |
837 |
s->cirrus_srcptr_end = s->cirrus_bltbuf + s->cirrus_blt_srcpitch; |
838 |
} while (s->cirrus_srcptr >= s->cirrus_srcptr_end);
|
839 |
} |
840 |
} |
841 |
} |
842 |
|
843 |
/***************************************
|
844 |
*
|
845 |
* bitblt wrapper
|
846 |
*
|
847 |
***************************************/
|
848 |
|
849 |
static void cirrus_bitblt_reset(CirrusVGAState * s) |
850 |
{ |
851 |
int need_update;
|
852 |
|
853 |
s->gr[0x31] &=
|
854 |
~(CIRRUS_BLT_START | CIRRUS_BLT_BUSY | CIRRUS_BLT_FIFOUSED); |
855 |
need_update = s->cirrus_srcptr != &s->cirrus_bltbuf[0]
|
856 |
|| s->cirrus_srcptr_end != &s->cirrus_bltbuf[0];
|
857 |
s->cirrus_srcptr = &s->cirrus_bltbuf[0];
|
858 |
s->cirrus_srcptr_end = &s->cirrus_bltbuf[0];
|
859 |
s->cirrus_srccounter = 0;
|
860 |
if (!need_update)
|
861 |
return;
|
862 |
cirrus_update_memory_access(s); |
863 |
} |
864 |
|
865 |
static int cirrus_bitblt_cputovideo(CirrusVGAState * s) |
866 |
{ |
867 |
int w;
|
868 |
|
869 |
s->cirrus_blt_mode &= ~CIRRUS_BLTMODE_MEMSYSSRC; |
870 |
s->cirrus_srcptr = &s->cirrus_bltbuf[0];
|
871 |
s->cirrus_srcptr_end = &s->cirrus_bltbuf[0];
|
872 |
|
873 |
if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) {
|
874 |
if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) {
|
875 |
s->cirrus_blt_srcpitch = 8;
|
876 |
} else {
|
877 |
/* XXX: check for 24 bpp */
|
878 |
s->cirrus_blt_srcpitch = 8 * 8 * s->cirrus_blt_pixelwidth; |
879 |
} |
880 |
s->cirrus_srccounter = s->cirrus_blt_srcpitch; |
881 |
} else {
|
882 |
if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) {
|
883 |
w = s->cirrus_blt_width / s->cirrus_blt_pixelwidth; |
884 |
if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_DWORDGRANULARITY)
|
885 |
s->cirrus_blt_srcpitch = ((w + 31) >> 5); |
886 |
else
|
887 |
s->cirrus_blt_srcpitch = ((w + 7) >> 3); |
888 |
} else {
|
889 |
/* always align input size to 32 bits */
|
890 |
s->cirrus_blt_srcpitch = (s->cirrus_blt_width + 3) & ~3; |
891 |
} |
892 |
s->cirrus_srccounter = s->cirrus_blt_srcpitch * s->cirrus_blt_height; |
893 |
} |
894 |
s->cirrus_srcptr = s->cirrus_bltbuf; |
895 |
s->cirrus_srcptr_end = s->cirrus_bltbuf + s->cirrus_blt_srcpitch; |
896 |
cirrus_update_memory_access(s); |
897 |
return 1; |
898 |
} |
899 |
|
900 |
static int cirrus_bitblt_videotocpu(CirrusVGAState * s) |
901 |
{ |
902 |
/* XXX */
|
903 |
#ifdef DEBUG_BITBLT
|
904 |
printf("cirrus: bitblt (video to cpu) is not implemented yet\n");
|
905 |
#endif
|
906 |
return 0; |
907 |
} |
908 |
|
909 |
static int cirrus_bitblt_videotovideo(CirrusVGAState * s) |
910 |
{ |
911 |
int ret;
|
912 |
|
913 |
if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) {
|
914 |
ret = cirrus_bitblt_videotovideo_patterncopy(s); |
915 |
} else {
|
916 |
ret = cirrus_bitblt_videotovideo_copy(s); |
917 |
} |
918 |
if (ret)
|
919 |
cirrus_bitblt_reset(s); |
920 |
return ret;
|
921 |
} |
922 |
|
923 |
static void cirrus_bitblt_start(CirrusVGAState * s) |
924 |
{ |
925 |
uint8_t blt_rop; |
926 |
|
927 |
s->gr[0x31] |= CIRRUS_BLT_BUSY;
|
928 |
|
929 |
s->cirrus_blt_width = (s->gr[0x20] | (s->gr[0x21] << 8)) + 1; |
930 |
s->cirrus_blt_height = (s->gr[0x22] | (s->gr[0x23] << 8)) + 1; |
931 |
s->cirrus_blt_dstpitch = (s->gr[0x24] | (s->gr[0x25] << 8)); |
932 |
s->cirrus_blt_srcpitch = (s->gr[0x26] | (s->gr[0x27] << 8)); |
933 |
s->cirrus_blt_dstaddr = |
934 |
(s->gr[0x28] | (s->gr[0x29] << 8) | (s->gr[0x2a] << 16)); |
935 |
s->cirrus_blt_srcaddr = |
936 |
(s->gr[0x2c] | (s->gr[0x2d] << 8) | (s->gr[0x2e] << 16)); |
937 |
s->cirrus_blt_mode = s->gr[0x30];
|
938 |
s->cirrus_blt_modeext = s->gr[0x33];
|
939 |
blt_rop = s->gr[0x32];
|
940 |
|
941 |
#ifdef DEBUG_BITBLT
|
942 |
printf("rop=0x%02x mode=0x%02x modeext=0x%02x w=%d h=%d dpitch=%d spitch=%d daddr=0x%08x saddr=0x%08x writemask=0x%02x\n",
|
943 |
blt_rop, |
944 |
s->cirrus_blt_mode, |
945 |
s->cirrus_blt_modeext, |
946 |
s->cirrus_blt_width, |
947 |
s->cirrus_blt_height, |
948 |
s->cirrus_blt_dstpitch, |
949 |
s->cirrus_blt_srcpitch, |
950 |
s->cirrus_blt_dstaddr, |
951 |
s->cirrus_blt_srcaddr, |
952 |
s->gr[0x2f]);
|
953 |
#endif
|
954 |
|
955 |
switch (s->cirrus_blt_mode & CIRRUS_BLTMODE_PIXELWIDTHMASK) {
|
956 |
case CIRRUS_BLTMODE_PIXELWIDTH8:
|
957 |
s->cirrus_blt_pixelwidth = 1;
|
958 |
break;
|
959 |
case CIRRUS_BLTMODE_PIXELWIDTH16:
|
960 |
s->cirrus_blt_pixelwidth = 2;
|
961 |
break;
|
962 |
case CIRRUS_BLTMODE_PIXELWIDTH24:
|
963 |
s->cirrus_blt_pixelwidth = 3;
|
964 |
break;
|
965 |
case CIRRUS_BLTMODE_PIXELWIDTH32:
|
966 |
s->cirrus_blt_pixelwidth = 4;
|
967 |
break;
|
968 |
default:
|
969 |
#ifdef DEBUG_BITBLT
|
970 |
printf("cirrus: bitblt - pixel width is unknown\n");
|
971 |
#endif
|
972 |
goto bitblt_ignore;
|
973 |
} |
974 |
s->cirrus_blt_mode &= ~CIRRUS_BLTMODE_PIXELWIDTHMASK; |
975 |
|
976 |
if ((s->
|
977 |
cirrus_blt_mode & (CIRRUS_BLTMODE_MEMSYSSRC | |
978 |
CIRRUS_BLTMODE_MEMSYSDEST)) |
979 |
== (CIRRUS_BLTMODE_MEMSYSSRC | CIRRUS_BLTMODE_MEMSYSDEST)) { |
980 |
#ifdef DEBUG_BITBLT
|
981 |
printf("cirrus: bitblt - memory-to-memory copy is requested\n");
|
982 |
#endif
|
983 |
goto bitblt_ignore;
|
984 |
} |
985 |
|
986 |
if ((s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_SOLIDFILL) &&
|
987 |
(s->cirrus_blt_mode & (CIRRUS_BLTMODE_MEMSYSDEST | |
988 |
CIRRUS_BLTMODE_TRANSPARENTCOMP | |
989 |
CIRRUS_BLTMODE_PATTERNCOPY | |
990 |
CIRRUS_BLTMODE_COLOREXPAND)) == |
991 |
(CIRRUS_BLTMODE_PATTERNCOPY | CIRRUS_BLTMODE_COLOREXPAND)) { |
992 |
cirrus_bitblt_fgcol(s); |
993 |
cirrus_bitblt_solidfill(s, blt_rop); |
994 |
} else {
|
995 |
if ((s->cirrus_blt_mode & (CIRRUS_BLTMODE_COLOREXPAND |
|
996 |
CIRRUS_BLTMODE_PATTERNCOPY)) == |
997 |
CIRRUS_BLTMODE_COLOREXPAND) { |
998 |
|
999 |
if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) {
|
1000 |
if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV)
|
1001 |
cirrus_bitblt_bgcol(s); |
1002 |
else
|
1003 |
cirrus_bitblt_fgcol(s); |
1004 |
s->cirrus_rop = cirrus_colorexpand_transp[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
|
1005 |
} else {
|
1006 |
cirrus_bitblt_fgcol(s); |
1007 |
cirrus_bitblt_bgcol(s); |
1008 |
s->cirrus_rop = cirrus_colorexpand[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
|
1009 |
} |
1010 |
} else if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) { |
1011 |
if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) {
|
1012 |
if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) {
|
1013 |
if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV)
|
1014 |
cirrus_bitblt_bgcol(s); |
1015 |
else
|
1016 |
cirrus_bitblt_fgcol(s); |
1017 |
s->cirrus_rop = cirrus_colorexpand_pattern_transp[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
|
1018 |
} else {
|
1019 |
cirrus_bitblt_fgcol(s); |
1020 |
cirrus_bitblt_bgcol(s); |
1021 |
s->cirrus_rop = cirrus_colorexpand_pattern[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
|
1022 |
} |
1023 |
} else {
|
1024 |
s->cirrus_rop = cirrus_patternfill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
|
1025 |
} |
1026 |
} else {
|
1027 |
if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) {
|
1028 |
if (s->cirrus_blt_pixelwidth > 2) { |
1029 |
printf("src transparent without colorexpand must be 8bpp or 16bpp\n");
|
1030 |
goto bitblt_ignore;
|
1031 |
} |
1032 |
if (s->cirrus_blt_mode & CIRRUS_BLTMODE_BACKWARDS) {
|
1033 |
s->cirrus_blt_dstpitch = -s->cirrus_blt_dstpitch; |
1034 |
s->cirrus_blt_srcpitch = -s->cirrus_blt_srcpitch; |
1035 |
s->cirrus_rop = cirrus_bkwd_transp_rop[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
|
1036 |
} else {
|
1037 |
s->cirrus_rop = cirrus_fwd_transp_rop[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
|
1038 |
} |
1039 |
} else {
|
1040 |
if (s->cirrus_blt_mode & CIRRUS_BLTMODE_BACKWARDS) {
|
1041 |
s->cirrus_blt_dstpitch = -s->cirrus_blt_dstpitch; |
1042 |
s->cirrus_blt_srcpitch = -s->cirrus_blt_srcpitch; |
1043 |
s->cirrus_rop = cirrus_bkwd_rop[rop_to_index[blt_rop]]; |
1044 |
} else {
|
1045 |
s->cirrus_rop = cirrus_fwd_rop[rop_to_index[blt_rop]]; |
1046 |
} |
1047 |
} |
1048 |
} |
1049 |
// setup bitblt engine.
|
1050 |
if (s->cirrus_blt_mode & CIRRUS_BLTMODE_MEMSYSSRC) {
|
1051 |
if (!cirrus_bitblt_cputovideo(s))
|
1052 |
goto bitblt_ignore;
|
1053 |
} else if (s->cirrus_blt_mode & CIRRUS_BLTMODE_MEMSYSDEST) { |
1054 |
if (!cirrus_bitblt_videotocpu(s))
|
1055 |
goto bitblt_ignore;
|
1056 |
} else {
|
1057 |
if (!cirrus_bitblt_videotovideo(s))
|
1058 |
goto bitblt_ignore;
|
1059 |
} |
1060 |
} |
1061 |
return;
|
1062 |
bitblt_ignore:;
|
1063 |
cirrus_bitblt_reset(s); |
1064 |
} |
1065 |
|
1066 |
static void cirrus_write_bitblt(CirrusVGAState * s, unsigned reg_value) |
1067 |
{ |
1068 |
unsigned old_value;
|
1069 |
|
1070 |
old_value = s->gr[0x31];
|
1071 |
s->gr[0x31] = reg_value;
|
1072 |
|
1073 |
if (((old_value & CIRRUS_BLT_RESET) != 0) && |
1074 |
((reg_value & CIRRUS_BLT_RESET) == 0)) {
|
1075 |
cirrus_bitblt_reset(s); |
1076 |
} else if (((old_value & CIRRUS_BLT_START) == 0) && |
1077 |
((reg_value & CIRRUS_BLT_START) != 0)) {
|
1078 |
cirrus_bitblt_start(s); |
1079 |
} |
1080 |
} |
1081 |
|
1082 |
|
1083 |
/***************************************
|
1084 |
*
|
1085 |
* basic parameters
|
1086 |
*
|
1087 |
***************************************/
|
1088 |
|
1089 |
static void cirrus_get_offsets(VGAState *s1, |
1090 |
uint32_t *pline_offset, |
1091 |
uint32_t *pstart_addr, |
1092 |
uint32_t *pline_compare) |
1093 |
{ |
1094 |
CirrusVGAState * s = (CirrusVGAState *)s1; |
1095 |
uint32_t start_addr, line_offset, line_compare; |
1096 |
|
1097 |
line_offset = s->cr[0x13]
|
1098 |
| ((s->cr[0x1b] & 0x10) << 4); |
1099 |
line_offset <<= 3;
|
1100 |
*pline_offset = line_offset; |
1101 |
|
1102 |
start_addr = (s->cr[0x0c] << 8) |
1103 |
| s->cr[0x0d]
|
1104 |
| ((s->cr[0x1b] & 0x01) << 16) |
1105 |
| ((s->cr[0x1b] & 0x0c) << 15) |
1106 |
| ((s->cr[0x1d] & 0x80) << 12); |
1107 |
*pstart_addr = start_addr; |
1108 |
|
1109 |
line_compare = s->cr[0x18] |
|
1110 |
((s->cr[0x07] & 0x10) << 4) | |
1111 |
((s->cr[0x09] & 0x40) << 3); |
1112 |
*pline_compare = line_compare; |
1113 |
} |
1114 |
|
1115 |
static uint32_t cirrus_get_bpp16_depth(CirrusVGAState * s)
|
1116 |
{ |
1117 |
uint32_t ret = 16;
|
1118 |
|
1119 |
switch (s->cirrus_hidden_dac_data & 0xf) { |
1120 |
case 0: |
1121 |
ret = 15;
|
1122 |
break; /* Sierra HiColor */ |
1123 |
case 1: |
1124 |
ret = 16;
|
1125 |
break; /* XGA HiColor */ |
1126 |
default:
|
1127 |
#ifdef DEBUG_CIRRUS
|
1128 |
printf("cirrus: invalid DAC value %x in 16bpp\n",
|
1129 |
(s->cirrus_hidden_dac_data & 0xf));
|
1130 |
#endif
|
1131 |
ret = 15; /* XXX */ |
1132 |
break;
|
1133 |
} |
1134 |
return ret;
|
1135 |
} |
1136 |
|
1137 |
static int cirrus_get_bpp(VGAState *s1) |
1138 |
{ |
1139 |
CirrusVGAState * s = (CirrusVGAState *)s1; |
1140 |
uint32_t ret = 8;
|
1141 |
|
1142 |
if ((s->sr[0x07] & 0x01) != 0) { |
1143 |
/* Cirrus SVGA */
|
1144 |
switch (s->sr[0x07] & CIRRUS_SR7_BPP_MASK) { |
1145 |
case CIRRUS_SR7_BPP_8:
|
1146 |
ret = 8;
|
1147 |
break;
|
1148 |
case CIRRUS_SR7_BPP_16_DOUBLEVCLK:
|
1149 |
ret = cirrus_get_bpp16_depth(s); |
1150 |
break;
|
1151 |
case CIRRUS_SR7_BPP_24:
|
1152 |
ret = 24;
|
1153 |
break;
|
1154 |
case CIRRUS_SR7_BPP_16:
|
1155 |
ret = cirrus_get_bpp16_depth(s); |
1156 |
break;
|
1157 |
case CIRRUS_SR7_BPP_32:
|
1158 |
ret = 32;
|
1159 |
break;
|
1160 |
default:
|
1161 |
#ifdef DEBUG_CIRRUS
|
1162 |
printf("cirrus: unknown bpp - sr7=%x\n", s->sr[0x7]); |
1163 |
#endif
|
1164 |
ret = 8;
|
1165 |
break;
|
1166 |
} |
1167 |
} else {
|
1168 |
/* VGA */
|
1169 |
ret = 0;
|
1170 |
} |
1171 |
|
1172 |
return ret;
|
1173 |
} |
1174 |
|
1175 |
static void cirrus_get_resolution(VGAState *s, int *pwidth, int *pheight) |
1176 |
{ |
1177 |
int width, height;
|
1178 |
|
1179 |
width = (s->cr[0x01] + 1) * 8; |
1180 |
height = s->cr[0x12] |
|
1181 |
((s->cr[0x07] & 0x02) << 7) | |
1182 |
((s->cr[0x07] & 0x40) << 3); |
1183 |
height = (height + 1);
|
1184 |
/* interlace support */
|
1185 |
if (s->cr[0x1a] & 0x01) |
1186 |
height = height * 2;
|
1187 |
*pwidth = width; |
1188 |
*pheight = height; |
1189 |
} |
1190 |
|
1191 |
/***************************************
|
1192 |
*
|
1193 |
* bank memory
|
1194 |
*
|
1195 |
***************************************/
|
1196 |
|
1197 |
static void cirrus_update_bank_ptr(CirrusVGAState * s, unsigned bank_index) |
1198 |
{ |
1199 |
unsigned offset;
|
1200 |
unsigned limit;
|
1201 |
|
1202 |
if ((s->gr[0x0b] & 0x01) != 0) /* dual bank */ |
1203 |
offset = s->gr[0x09 + bank_index];
|
1204 |
else /* single bank */ |
1205 |
offset = s->gr[0x09];
|
1206 |
|
1207 |
if ((s->gr[0x0b] & 0x20) != 0) |
1208 |
offset <<= 14;
|
1209 |
else
|
1210 |
offset <<= 12;
|
1211 |
|
1212 |
if (s->real_vram_size <= offset)
|
1213 |
limit = 0;
|
1214 |
else
|
1215 |
limit = s->real_vram_size - offset; |
1216 |
|
1217 |
if (((s->gr[0x0b] & 0x01) == 0) && (bank_index != 0)) { |
1218 |
if (limit > 0x8000) { |
1219 |
offset += 0x8000;
|
1220 |
limit -= 0x8000;
|
1221 |
} else {
|
1222 |
limit = 0;
|
1223 |
} |
1224 |
} |
1225 |
|
1226 |
if (limit > 0) { |
1227 |
/* Thinking about changing bank base? First, drop the dirty bitmap information
|
1228 |
* on the current location, otherwise we lose this pointer forever */
|
1229 |
if (s->lfb_vram_mapped) {
|
1230 |
target_phys_addr_t base_addr = isa_mem_base + 0xa0000 + bank_index * 0x8000; |
1231 |
cpu_physical_sync_dirty_bitmap(base_addr, base_addr + 0x8000);
|
1232 |
} |
1233 |
s->cirrus_bank_base[bank_index] = offset; |
1234 |
s->cirrus_bank_limit[bank_index] = limit; |
1235 |
} else {
|
1236 |
s->cirrus_bank_base[bank_index] = 0;
|
1237 |
s->cirrus_bank_limit[bank_index] = 0;
|
1238 |
} |
1239 |
} |
1240 |
|
1241 |
/***************************************
|
1242 |
*
|
1243 |
* I/O access between 0x3c4-0x3c5
|
1244 |
*
|
1245 |
***************************************/
|
1246 |
|
1247 |
static int |
1248 |
cirrus_hook_read_sr(CirrusVGAState * s, unsigned reg_index, int *reg_value) |
1249 |
{ |
1250 |
switch (reg_index) {
|
1251 |
case 0x00: // Standard VGA |
1252 |
case 0x01: // Standard VGA |
1253 |
case 0x02: // Standard VGA |
1254 |
case 0x03: // Standard VGA |
1255 |
case 0x04: // Standard VGA |
1256 |
return CIRRUS_HOOK_NOT_HANDLED;
|
1257 |
case 0x06: // Unlock Cirrus extensions |
1258 |
*reg_value = s->sr[reg_index]; |
1259 |
break;
|
1260 |
case 0x10: |
1261 |
case 0x30: |
1262 |
case 0x50: |
1263 |
case 0x70: // Graphics Cursor X |
1264 |
case 0x90: |
1265 |
case 0xb0: |
1266 |
case 0xd0: |
1267 |
case 0xf0: // Graphics Cursor X |
1268 |
*reg_value = s->sr[0x10];
|
1269 |
break;
|
1270 |
case 0x11: |
1271 |
case 0x31: |
1272 |
case 0x51: |
1273 |
case 0x71: // Graphics Cursor Y |
1274 |
case 0x91: |
1275 |
case 0xb1: |
1276 |
case 0xd1: |
1277 |
case 0xf1: // Graphics Cursor Y |
1278 |
*reg_value = s->sr[0x11];
|
1279 |
break;
|
1280 |
case 0x05: // ??? |
1281 |
case 0x07: // Extended Sequencer Mode |
1282 |
case 0x08: // EEPROM Control |
1283 |
case 0x09: // Scratch Register 0 |
1284 |
case 0x0a: // Scratch Register 1 |
1285 |
case 0x0b: // VCLK 0 |
1286 |
case 0x0c: // VCLK 1 |
1287 |
case 0x0d: // VCLK 2 |
1288 |
case 0x0e: // VCLK 3 |
1289 |
case 0x0f: // DRAM Control |
1290 |
case 0x12: // Graphics Cursor Attribute |
1291 |
case 0x13: // Graphics Cursor Pattern Address |
1292 |
case 0x14: // Scratch Register 2 |
1293 |
case 0x15: // Scratch Register 3 |
1294 |
case 0x16: // Performance Tuning Register |
1295 |
case 0x17: // Configuration Readback and Extended Control |
1296 |
case 0x18: // Signature Generator Control |
1297 |
case 0x19: // Signal Generator Result |
1298 |
case 0x1a: // Signal Generator Result |
1299 |
case 0x1b: // VCLK 0 Denominator & Post |
1300 |
case 0x1c: // VCLK 1 Denominator & Post |
1301 |
case 0x1d: // VCLK 2 Denominator & Post |
1302 |
case 0x1e: // VCLK 3 Denominator & Post |
1303 |
case 0x1f: // BIOS Write Enable and MCLK select |
1304 |
#ifdef DEBUG_CIRRUS
|
1305 |
printf("cirrus: handled inport sr_index %02x\n", reg_index);
|
1306 |
#endif
|
1307 |
*reg_value = s->sr[reg_index]; |
1308 |
break;
|
1309 |
default:
|
1310 |
#ifdef DEBUG_CIRRUS
|
1311 |
printf("cirrus: inport sr_index %02x\n", reg_index);
|
1312 |
#endif
|
1313 |
*reg_value = 0xff;
|
1314 |
break;
|
1315 |
} |
1316 |
|
1317 |
return CIRRUS_HOOK_HANDLED;
|
1318 |
} |
1319 |
|
1320 |
static int |
1321 |
cirrus_hook_write_sr(CirrusVGAState * s, unsigned reg_index, int reg_value) |
1322 |
{ |
1323 |
switch (reg_index) {
|
1324 |
case 0x00: // Standard VGA |
1325 |
case 0x01: // Standard VGA |
1326 |
case 0x02: // Standard VGA |
1327 |
case 0x03: // Standard VGA |
1328 |
case 0x04: // Standard VGA |
1329 |
return CIRRUS_HOOK_NOT_HANDLED;
|
1330 |
case 0x06: // Unlock Cirrus extensions |
1331 |
reg_value &= 0x17;
|
1332 |
if (reg_value == 0x12) { |
1333 |
s->sr[reg_index] = 0x12;
|
1334 |
} else {
|
1335 |
s->sr[reg_index] = 0x0f;
|
1336 |
} |
1337 |
break;
|
1338 |
case 0x10: |
1339 |
case 0x30: |
1340 |
case 0x50: |
1341 |
case 0x70: // Graphics Cursor X |
1342 |
case 0x90: |
1343 |
case 0xb0: |
1344 |
case 0xd0: |
1345 |
case 0xf0: // Graphics Cursor X |
1346 |
s->sr[0x10] = reg_value;
|
1347 |
s->hw_cursor_x = (reg_value << 3) | (reg_index >> 5); |
1348 |
break;
|
1349 |
case 0x11: |
1350 |
case 0x31: |
1351 |
case 0x51: |
1352 |
case 0x71: // Graphics Cursor Y |
1353 |
case 0x91: |
1354 |
case 0xb1: |
1355 |
case 0xd1: |
1356 |
case 0xf1: // Graphics Cursor Y |
1357 |
s->sr[0x11] = reg_value;
|
1358 |
s->hw_cursor_y = (reg_value << 3) | (reg_index >> 5); |
1359 |
break;
|
1360 |
case 0x07: // Extended Sequencer Mode |
1361 |
cirrus_update_memory_access(s); |
1362 |
case 0x08: // EEPROM Control |
1363 |
case 0x09: // Scratch Register 0 |
1364 |
case 0x0a: // Scratch Register 1 |
1365 |
case 0x0b: // VCLK 0 |
1366 |
case 0x0c: // VCLK 1 |
1367 |
case 0x0d: // VCLK 2 |
1368 |
case 0x0e: // VCLK 3 |
1369 |
case 0x0f: // DRAM Control |
1370 |
case 0x12: // Graphics Cursor Attribute |
1371 |
case 0x13: // Graphics Cursor Pattern Address |
1372 |
case 0x14: // Scratch Register 2 |
1373 |
case 0x15: // Scratch Register 3 |
1374 |
case 0x16: // Performance Tuning Register |
1375 |
case 0x18: // Signature Generator Control |
1376 |
case 0x19: // Signature Generator Result |
1377 |
case 0x1a: // Signature Generator Result |
1378 |
case 0x1b: // VCLK 0 Denominator & Post |
1379 |
case 0x1c: // VCLK 1 Denominator & Post |
1380 |
case 0x1d: // VCLK 2 Denominator & Post |
1381 |
case 0x1e: // VCLK 3 Denominator & Post |
1382 |
case 0x1f: // BIOS Write Enable and MCLK select |
1383 |
s->sr[reg_index] = reg_value; |
1384 |
#ifdef DEBUG_CIRRUS
|
1385 |
printf("cirrus: handled outport sr_index %02x, sr_value %02x\n",
|
1386 |
reg_index, reg_value); |
1387 |
#endif
|
1388 |
break;
|
1389 |
case 0x17: // Configuration Readback and Extended Control |
1390 |
s->sr[reg_index] = (s->sr[reg_index] & 0x38) | (reg_value & 0xc7); |
1391 |
cirrus_update_memory_access(s); |
1392 |
break;
|
1393 |
default:
|
1394 |
#ifdef DEBUG_CIRRUS
|
1395 |
printf("cirrus: outport sr_index %02x, sr_value %02x\n", reg_index,
|
1396 |
reg_value); |
1397 |
#endif
|
1398 |
break;
|
1399 |
} |
1400 |
|
1401 |
return CIRRUS_HOOK_HANDLED;
|
1402 |
} |
1403 |
|
1404 |
/***************************************
|
1405 |
*
|
1406 |
* I/O access at 0x3c6
|
1407 |
*
|
1408 |
***************************************/
|
1409 |
|
1410 |
static void cirrus_read_hidden_dac(CirrusVGAState * s, int *reg_value) |
1411 |
{ |
1412 |
*reg_value = 0xff;
|
1413 |
if (++s->cirrus_hidden_dac_lockindex == 5) { |
1414 |
*reg_value = s->cirrus_hidden_dac_data; |
1415 |
s->cirrus_hidden_dac_lockindex = 0;
|
1416 |
} |
1417 |
} |
1418 |
|
1419 |
static void cirrus_write_hidden_dac(CirrusVGAState * s, int reg_value) |
1420 |
{ |
1421 |
if (s->cirrus_hidden_dac_lockindex == 4) { |
1422 |
s->cirrus_hidden_dac_data = reg_value; |
1423 |
#if defined(DEBUG_CIRRUS)
|
1424 |
printf("cirrus: outport hidden DAC, value %02x\n", reg_value);
|
1425 |
#endif
|
1426 |
} |
1427 |
s->cirrus_hidden_dac_lockindex = 0;
|
1428 |
} |
1429 |
|
1430 |
/***************************************
|
1431 |
*
|
1432 |
* I/O access at 0x3c9
|
1433 |
*
|
1434 |
***************************************/
|
1435 |
|
1436 |
static int cirrus_hook_read_palette(CirrusVGAState * s, int *reg_value) |
1437 |
{ |
1438 |
if (!(s->sr[0x12] & CIRRUS_CURSOR_HIDDENPEL)) |
1439 |
return CIRRUS_HOOK_NOT_HANDLED;
|
1440 |
*reg_value = |
1441 |
s->cirrus_hidden_palette[(s->dac_read_index & 0x0f) * 3 + |
1442 |
s->dac_sub_index]; |
1443 |
if (++s->dac_sub_index == 3) { |
1444 |
s->dac_sub_index = 0;
|
1445 |
s->dac_read_index++; |
1446 |
} |
1447 |
return CIRRUS_HOOK_HANDLED;
|
1448 |
} |
1449 |
|
1450 |
static int cirrus_hook_write_palette(CirrusVGAState * s, int reg_value) |
1451 |
{ |
1452 |
if (!(s->sr[0x12] & CIRRUS_CURSOR_HIDDENPEL)) |
1453 |
return CIRRUS_HOOK_NOT_HANDLED;
|
1454 |
s->dac_cache[s->dac_sub_index] = reg_value; |
1455 |
if (++s->dac_sub_index == 3) { |
1456 |
memcpy(&s->cirrus_hidden_palette[(s->dac_write_index & 0x0f) * 3], |
1457 |
s->dac_cache, 3);
|
1458 |
/* XXX update cursor */
|
1459 |
s->dac_sub_index = 0;
|
1460 |
s->dac_write_index++; |
1461 |
} |
1462 |
return CIRRUS_HOOK_HANDLED;
|
1463 |
} |
1464 |
|
1465 |
/***************************************
|
1466 |
*
|
1467 |
* I/O access between 0x3ce-0x3cf
|
1468 |
*
|
1469 |
***************************************/
|
1470 |
|
1471 |
static int |
1472 |
cirrus_hook_read_gr(CirrusVGAState * s, unsigned reg_index, int *reg_value) |
1473 |
{ |
1474 |
switch (reg_index) {
|
1475 |
case 0x00: // Standard VGA, BGCOLOR 0x000000ff |
1476 |
*reg_value = s->cirrus_shadow_gr0; |
1477 |
return CIRRUS_HOOK_HANDLED;
|
1478 |
case 0x01: // Standard VGA, FGCOLOR 0x000000ff |
1479 |
*reg_value = s->cirrus_shadow_gr1; |
1480 |
return CIRRUS_HOOK_HANDLED;
|
1481 |
case 0x02: // Standard VGA |
1482 |
case 0x03: // Standard VGA |
1483 |
case 0x04: // Standard VGA |
1484 |
case 0x06: // Standard VGA |
1485 |
case 0x07: // Standard VGA |
1486 |
case 0x08: // Standard VGA |
1487 |
return CIRRUS_HOOK_NOT_HANDLED;
|
1488 |
case 0x05: // Standard VGA, Cirrus extended mode |
1489 |
default:
|
1490 |
break;
|
1491 |
} |
1492 |
|
1493 |
if (reg_index < 0x3a) { |
1494 |
*reg_value = s->gr[reg_index]; |
1495 |
} else {
|
1496 |
#ifdef DEBUG_CIRRUS
|
1497 |
printf("cirrus: inport gr_index %02x\n", reg_index);
|
1498 |
#endif
|
1499 |
*reg_value = 0xff;
|
1500 |
} |
1501 |
|
1502 |
return CIRRUS_HOOK_HANDLED;
|
1503 |
} |
1504 |
|
1505 |
static int |
1506 |
cirrus_hook_write_gr(CirrusVGAState * s, unsigned reg_index, int reg_value) |
1507 |
{ |
1508 |
#if defined(DEBUG_BITBLT) && 0 |
1509 |
printf("gr%02x: %02x\n", reg_index, reg_value);
|
1510 |
#endif
|
1511 |
switch (reg_index) {
|
1512 |
case 0x00: // Standard VGA, BGCOLOR 0x000000ff |
1513 |
s->cirrus_shadow_gr0 = reg_value; |
1514 |
return CIRRUS_HOOK_NOT_HANDLED;
|
1515 |
case 0x01: // Standard VGA, FGCOLOR 0x000000ff |
1516 |
s->cirrus_shadow_gr1 = reg_value; |
1517 |
return CIRRUS_HOOK_NOT_HANDLED;
|
1518 |
case 0x02: // Standard VGA |
1519 |
case 0x03: // Standard VGA |
1520 |
case 0x04: // Standard VGA |
1521 |
case 0x06: // Standard VGA |
1522 |
case 0x07: // Standard VGA |
1523 |
case 0x08: // Standard VGA |
1524 |
return CIRRUS_HOOK_NOT_HANDLED;
|
1525 |
case 0x05: // Standard VGA, Cirrus extended mode |
1526 |
s->gr[reg_index] = reg_value & 0x7f;
|
1527 |
cirrus_update_memory_access(s); |
1528 |
break;
|
1529 |
case 0x09: // bank offset #0 |
1530 |
case 0x0A: // bank offset #1 |
1531 |
s->gr[reg_index] = reg_value; |
1532 |
cirrus_update_bank_ptr(s, 0);
|
1533 |
cirrus_update_bank_ptr(s, 1);
|
1534 |
cirrus_update_memory_access(s); |
1535 |
break;
|
1536 |
case 0x0B: |
1537 |
s->gr[reg_index] = reg_value; |
1538 |
cirrus_update_bank_ptr(s, 0);
|
1539 |
cirrus_update_bank_ptr(s, 1);
|
1540 |
cirrus_update_memory_access(s); |
1541 |
break;
|
1542 |
case 0x10: // BGCOLOR 0x0000ff00 |
1543 |
case 0x11: // FGCOLOR 0x0000ff00 |
1544 |
case 0x12: // BGCOLOR 0x00ff0000 |
1545 |
case 0x13: // FGCOLOR 0x00ff0000 |
1546 |
case 0x14: // BGCOLOR 0xff000000 |
1547 |
case 0x15: // FGCOLOR 0xff000000 |
1548 |
case 0x20: // BLT WIDTH 0x0000ff |
1549 |
case 0x22: // BLT HEIGHT 0x0000ff |
1550 |
case 0x24: // BLT DEST PITCH 0x0000ff |
1551 |
case 0x26: // BLT SRC PITCH 0x0000ff |
1552 |
case 0x28: // BLT DEST ADDR 0x0000ff |
1553 |
case 0x29: // BLT DEST ADDR 0x00ff00 |
1554 |
case 0x2c: // BLT SRC ADDR 0x0000ff |
1555 |
case 0x2d: // BLT SRC ADDR 0x00ff00 |
1556 |
case 0x2f: // BLT WRITEMASK |
1557 |
case 0x30: // BLT MODE |
1558 |
case 0x32: // RASTER OP |
1559 |
case 0x33: // BLT MODEEXT |
1560 |
case 0x34: // BLT TRANSPARENT COLOR 0x00ff |
1561 |
case 0x35: // BLT TRANSPARENT COLOR 0xff00 |
1562 |
case 0x38: // BLT TRANSPARENT COLOR MASK 0x00ff |
1563 |
case 0x39: // BLT TRANSPARENT COLOR MASK 0xff00 |
1564 |
s->gr[reg_index] = reg_value; |
1565 |
break;
|
1566 |
case 0x21: // BLT WIDTH 0x001f00 |
1567 |
case 0x23: // BLT HEIGHT 0x001f00 |
1568 |
case 0x25: // BLT DEST PITCH 0x001f00 |
1569 |
case 0x27: // BLT SRC PITCH 0x001f00 |
1570 |
s->gr[reg_index] = reg_value & 0x1f;
|
1571 |
break;
|
1572 |
case 0x2a: // BLT DEST ADDR 0x3f0000 |
1573 |
s->gr[reg_index] = reg_value & 0x3f;
|
1574 |
/* if auto start mode, starts bit blt now */
|
1575 |
if (s->gr[0x31] & CIRRUS_BLT_AUTOSTART) { |
1576 |
cirrus_bitblt_start(s); |
1577 |
} |
1578 |
break;
|
1579 |
case 0x2e: // BLT SRC ADDR 0x3f0000 |
1580 |
s->gr[reg_index] = reg_value & 0x3f;
|
1581 |
break;
|
1582 |
case 0x31: // BLT STATUS/START |
1583 |
cirrus_write_bitblt(s, reg_value); |
1584 |
break;
|
1585 |
default:
|
1586 |
#ifdef DEBUG_CIRRUS
|
1587 |
printf("cirrus: outport gr_index %02x, gr_value %02x\n", reg_index,
|
1588 |
reg_value); |
1589 |
#endif
|
1590 |
break;
|
1591 |
} |
1592 |
|
1593 |
return CIRRUS_HOOK_HANDLED;
|
1594 |
} |
1595 |
|
1596 |
/***************************************
|
1597 |
*
|
1598 |
* I/O access between 0x3d4-0x3d5
|
1599 |
*
|
1600 |
***************************************/
|
1601 |
|
1602 |
static int |
1603 |
cirrus_hook_read_cr(CirrusVGAState * s, unsigned reg_index, int *reg_value) |
1604 |
{ |
1605 |
switch (reg_index) {
|
1606 |
case 0x00: // Standard VGA |
1607 |
case 0x01: // Standard VGA |
1608 |
case 0x02: // Standard VGA |
1609 |
case 0x03: // Standard VGA |
1610 |
case 0x04: // Standard VGA |
1611 |
case 0x05: // Standard VGA |
1612 |
case 0x06: // Standard VGA |
1613 |
case 0x07: // Standard VGA |
1614 |
case 0x08: // Standard VGA |
1615 |
case 0x09: // Standard VGA |
1616 |
case 0x0a: // Standard VGA |
1617 |
case 0x0b: // Standard VGA |
1618 |
case 0x0c: // Standard VGA |
1619 |
case 0x0d: // Standard VGA |
1620 |
case 0x0e: // Standard VGA |
1621 |
case 0x0f: // Standard VGA |
1622 |
case 0x10: // Standard VGA |
1623 |
case 0x11: // Standard VGA |
1624 |
case 0x12: // Standard VGA |
1625 |
case 0x13: // Standard VGA |
1626 |
case 0x14: // Standard VGA |
1627 |
case 0x15: // Standard VGA |
1628 |
case 0x16: // Standard VGA |
1629 |
case 0x17: // Standard VGA |
1630 |
case 0x18: // Standard VGA |
1631 |
return CIRRUS_HOOK_NOT_HANDLED;
|
1632 |
case 0x24: // Attribute Controller Toggle Readback (R) |
1633 |
*reg_value = (s->ar_flip_flop << 7);
|
1634 |
break;
|
1635 |
case 0x19: // Interlace End |
1636 |
case 0x1a: // Miscellaneous Control |
1637 |
case 0x1b: // Extended Display Control |
1638 |
case 0x1c: // Sync Adjust and Genlock |
1639 |
case 0x1d: // Overlay Extended Control |
1640 |
case 0x22: // Graphics Data Latches Readback (R) |
1641 |
case 0x25: // Part Status |
1642 |
case 0x27: // Part ID (R) |
1643 |
*reg_value = s->cr[reg_index]; |
1644 |
break;
|
1645 |
case 0x26: // Attribute Controller Index Readback (R) |
1646 |
*reg_value = s->ar_index & 0x3f;
|
1647 |
break;
|
1648 |
default:
|
1649 |
#ifdef DEBUG_CIRRUS
|
1650 |
printf("cirrus: inport cr_index %02x\n", reg_index);
|
1651 |
*reg_value = 0xff;
|
1652 |
#endif
|
1653 |
break;
|
1654 |
} |
1655 |
|
1656 |
return CIRRUS_HOOK_HANDLED;
|
1657 |
} |
1658 |
|
1659 |
static int |
1660 |
cirrus_hook_write_cr(CirrusVGAState * s, unsigned reg_index, int reg_value) |
1661 |
{ |
1662 |
switch (reg_index) {
|
1663 |
case 0x00: // Standard VGA |
1664 |
case 0x01: // Standard VGA |
1665 |
case 0x02: // Standard VGA |
1666 |
case 0x03: // Standard VGA |
1667 |
case 0x04: // Standard VGA |
1668 |
case 0x05: // Standard VGA |
1669 |
case 0x06: // Standard VGA |
1670 |
case 0x07: // Standard VGA |
1671 |
case 0x08: // Standard VGA |
1672 |
case 0x09: // Standard VGA |
1673 |
case 0x0a: // Standard VGA |
1674 |
case 0x0b: // Standard VGA |
1675 |
case 0x0c: // Standard VGA |
1676 |
case 0x0d: // Standard VGA |
1677 |
case 0x0e: // Standard VGA |
1678 |
case 0x0f: // Standard VGA |
1679 |
case 0x10: // Standard VGA |
1680 |
case 0x11: // Standard VGA |
1681 |
case 0x12: // Standard VGA |
1682 |
case 0x13: // Standard VGA |
1683 |
case 0x14: // Standard VGA |
1684 |
case 0x15: // Standard VGA |
1685 |
case 0x16: // Standard VGA |
1686 |
case 0x17: // Standard VGA |
1687 |
case 0x18: // Standard VGA |
1688 |
return CIRRUS_HOOK_NOT_HANDLED;
|
1689 |
case 0x19: // Interlace End |
1690 |
case 0x1a: // Miscellaneous Control |
1691 |
case 0x1b: // Extended Display Control |
1692 |
case 0x1c: // Sync Adjust and Genlock |
1693 |
case 0x1d: // Overlay Extended Control |
1694 |
s->cr[reg_index] = reg_value; |
1695 |
#ifdef DEBUG_CIRRUS
|
1696 |
printf("cirrus: handled outport cr_index %02x, cr_value %02x\n",
|
1697 |
reg_index, reg_value); |
1698 |
#endif
|
1699 |
break;
|
1700 |
case 0x22: // Graphics Data Latches Readback (R) |
1701 |
case 0x24: // Attribute Controller Toggle Readback (R) |
1702 |
case 0x26: // Attribute Controller Index Readback (R) |
1703 |
case 0x27: // Part ID (R) |
1704 |
break;
|
1705 |
case 0x25: // Part Status |
1706 |
default:
|
1707 |
#ifdef DEBUG_CIRRUS
|
1708 |
printf("cirrus: outport cr_index %02x, cr_value %02x\n", reg_index,
|
1709 |
reg_value); |
1710 |
#endif
|
1711 |
break;
|
1712 |
} |
1713 |
|
1714 |
return CIRRUS_HOOK_HANDLED;
|
1715 |
} |
1716 |
|
1717 |
/***************************************
|
1718 |
*
|
1719 |
* memory-mapped I/O (bitblt)
|
1720 |
*
|
1721 |
***************************************/
|
1722 |
|
1723 |
static uint8_t cirrus_mmio_blt_read(CirrusVGAState * s, unsigned address) |
1724 |
{ |
1725 |
int value = 0xff; |
1726 |
|
1727 |
switch (address) {
|
1728 |
case (CIRRUS_MMIO_BLTBGCOLOR + 0): |
1729 |
cirrus_hook_read_gr(s, 0x00, &value);
|
1730 |
break;
|
1731 |
case (CIRRUS_MMIO_BLTBGCOLOR + 1): |
1732 |
cirrus_hook_read_gr(s, 0x10, &value);
|
1733 |
break;
|
1734 |
case (CIRRUS_MMIO_BLTBGCOLOR + 2): |
1735 |
cirrus_hook_read_gr(s, 0x12, &value);
|
1736 |
break;
|
1737 |
case (CIRRUS_MMIO_BLTBGCOLOR + 3): |
1738 |
cirrus_hook_read_gr(s, 0x14, &value);
|
1739 |
break;
|
1740 |
case (CIRRUS_MMIO_BLTFGCOLOR + 0): |
1741 |
cirrus_hook_read_gr(s, 0x01, &value);
|
1742 |
break;
|
1743 |
case (CIRRUS_MMIO_BLTFGCOLOR + 1): |
1744 |
cirrus_hook_read_gr(s, 0x11, &value);
|
1745 |
break;
|
1746 |
case (CIRRUS_MMIO_BLTFGCOLOR + 2): |
1747 |
cirrus_hook_read_gr(s, 0x13, &value);
|
1748 |
break;
|
1749 |
case (CIRRUS_MMIO_BLTFGCOLOR + 3): |
1750 |
cirrus_hook_read_gr(s, 0x15, &value);
|
1751 |
break;
|
1752 |
case (CIRRUS_MMIO_BLTWIDTH + 0): |
1753 |
cirrus_hook_read_gr(s, 0x20, &value);
|
1754 |
break;
|
1755 |
case (CIRRUS_MMIO_BLTWIDTH + 1): |
1756 |
cirrus_hook_read_gr(s, 0x21, &value);
|
1757 |
break;
|
1758 |
case (CIRRUS_MMIO_BLTHEIGHT + 0): |
1759 |
cirrus_hook_read_gr(s, 0x22, &value);
|
1760 |
break;
|
1761 |
case (CIRRUS_MMIO_BLTHEIGHT + 1): |
1762 |
cirrus_hook_read_gr(s, 0x23, &value);
|
1763 |
break;
|
1764 |
case (CIRRUS_MMIO_BLTDESTPITCH + 0): |
1765 |
cirrus_hook_read_gr(s, 0x24, &value);
|
1766 |
break;
|
1767 |
case (CIRRUS_MMIO_BLTDESTPITCH + 1): |
1768 |
cirrus_hook_read_gr(s, 0x25, &value);
|
1769 |
break;
|
1770 |
case (CIRRUS_MMIO_BLTSRCPITCH + 0): |
1771 |
cirrus_hook_read_gr(s, 0x26, &value);
|
1772 |
break;
|
1773 |
case (CIRRUS_MMIO_BLTSRCPITCH + 1): |
1774 |
cirrus_hook_read_gr(s, 0x27, &value);
|
1775 |
break;
|
1776 |
case (CIRRUS_MMIO_BLTDESTADDR + 0): |
1777 |
cirrus_hook_read_gr(s, 0x28, &value);
|
1778 |
break;
|
1779 |
case (CIRRUS_MMIO_BLTDESTADDR + 1): |
1780 |
cirrus_hook_read_gr(s, 0x29, &value);
|
1781 |
break;
|
1782 |
case (CIRRUS_MMIO_BLTDESTADDR + 2): |
1783 |
cirrus_hook_read_gr(s, 0x2a, &value);
|
1784 |
break;
|
1785 |
case (CIRRUS_MMIO_BLTSRCADDR + 0): |
1786 |
cirrus_hook_read_gr(s, 0x2c, &value);
|
1787 |
break;
|
1788 |
case (CIRRUS_MMIO_BLTSRCADDR + 1): |
1789 |
cirrus_hook_read_gr(s, 0x2d, &value);
|
1790 |
break;
|
1791 |
case (CIRRUS_MMIO_BLTSRCADDR + 2): |
1792 |
cirrus_hook_read_gr(s, 0x2e, &value);
|
1793 |
break;
|
1794 |
case CIRRUS_MMIO_BLTWRITEMASK:
|
1795 |
cirrus_hook_read_gr(s, 0x2f, &value);
|
1796 |
break;
|
1797 |
case CIRRUS_MMIO_BLTMODE:
|
1798 |
cirrus_hook_read_gr(s, 0x30, &value);
|
1799 |
break;
|
1800 |
case CIRRUS_MMIO_BLTROP:
|
1801 |
cirrus_hook_read_gr(s, 0x32, &value);
|
1802 |
break;
|
1803 |
case CIRRUS_MMIO_BLTMODEEXT:
|
1804 |
cirrus_hook_read_gr(s, 0x33, &value);
|
1805 |
break;
|
1806 |
case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 0): |
1807 |
cirrus_hook_read_gr(s, 0x34, &value);
|
1808 |
break;
|
1809 |
case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 1): |
1810 |
cirrus_hook_read_gr(s, 0x35, &value);
|
1811 |
break;
|
1812 |
case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 0): |
1813 |
cirrus_hook_read_gr(s, 0x38, &value);
|
1814 |
break;
|
1815 |
case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 1): |
1816 |
cirrus_hook_read_gr(s, 0x39, &value);
|
1817 |
break;
|
1818 |
case CIRRUS_MMIO_BLTSTATUS:
|
1819 |
cirrus_hook_read_gr(s, 0x31, &value);
|
1820 |
break;
|
1821 |
default:
|
1822 |
#ifdef DEBUG_CIRRUS
|
1823 |
printf("cirrus: mmio read - address 0x%04x\n", address);
|
1824 |
#endif
|
1825 |
break;
|
1826 |
} |
1827 |
|
1828 |
return (uint8_t) value;
|
1829 |
} |
1830 |
|
1831 |
static void cirrus_mmio_blt_write(CirrusVGAState * s, unsigned address, |
1832 |
uint8_t value) |
1833 |
{ |
1834 |
switch (address) {
|
1835 |
case (CIRRUS_MMIO_BLTBGCOLOR + 0): |
1836 |
cirrus_hook_write_gr(s, 0x00, value);
|
1837 |
break;
|
1838 |
case (CIRRUS_MMIO_BLTBGCOLOR + 1): |
1839 |
cirrus_hook_write_gr(s, 0x10, value);
|
1840 |
break;
|
1841 |
case (CIRRUS_MMIO_BLTBGCOLOR + 2): |
1842 |
cirrus_hook_write_gr(s, 0x12, value);
|
1843 |
break;
|
1844 |
case (CIRRUS_MMIO_BLTBGCOLOR + 3): |
1845 |
cirrus_hook_write_gr(s, 0x14, value);
|
1846 |
break;
|
1847 |
case (CIRRUS_MMIO_BLTFGCOLOR + 0): |
1848 |
cirrus_hook_write_gr(s, 0x01, value);
|
1849 |
break;
|
1850 |
case (CIRRUS_MMIO_BLTFGCOLOR + 1): |
1851 |
cirrus_hook_write_gr(s, 0x11, value);
|
1852 |
break;
|
1853 |
case (CIRRUS_MMIO_BLTFGCOLOR + 2): |
1854 |
cirrus_hook_write_gr(s, 0x13, value);
|
1855 |
break;
|
1856 |
case (CIRRUS_MMIO_BLTFGCOLOR + 3): |
1857 |
cirrus_hook_write_gr(s, 0x15, value);
|
1858 |
break;
|
1859 |
case (CIRRUS_MMIO_BLTWIDTH + 0): |
1860 |
cirrus_hook_write_gr(s, 0x20, value);
|
1861 |
break;
|
1862 |
case (CIRRUS_MMIO_BLTWIDTH + 1): |
1863 |
cirrus_hook_write_gr(s, 0x21, value);
|
1864 |
break;
|
1865 |
case (CIRRUS_MMIO_BLTHEIGHT + 0): |
1866 |
cirrus_hook_write_gr(s, 0x22, value);
|
1867 |
break;
|
1868 |
case (CIRRUS_MMIO_BLTHEIGHT + 1): |
1869 |
cirrus_hook_write_gr(s, 0x23, value);
|
1870 |
break;
|
1871 |
case (CIRRUS_MMIO_BLTDESTPITCH + 0): |
1872 |
cirrus_hook_write_gr(s, 0x24, value);
|
1873 |
break;
|
1874 |
case (CIRRUS_MMIO_BLTDESTPITCH + 1): |
1875 |
cirrus_hook_write_gr(s, 0x25, value);
|
1876 |
break;
|
1877 |
case (CIRRUS_MMIO_BLTSRCPITCH + 0): |
1878 |
cirrus_hook_write_gr(s, 0x26, value);
|
1879 |
break;
|
1880 |
case (CIRRUS_MMIO_BLTSRCPITCH + 1): |
1881 |
cirrus_hook_write_gr(s, 0x27, value);
|
1882 |
break;
|
1883 |
case (CIRRUS_MMIO_BLTDESTADDR + 0): |
1884 |
cirrus_hook_write_gr(s, 0x28, value);
|
1885 |
break;
|
1886 |
case (CIRRUS_MMIO_BLTDESTADDR + 1): |
1887 |
cirrus_hook_write_gr(s, 0x29, value);
|
1888 |
break;
|
1889 |
case (CIRRUS_MMIO_BLTDESTADDR + 2): |
1890 |
cirrus_hook_write_gr(s, 0x2a, value);
|
1891 |
break;
|
1892 |
case (CIRRUS_MMIO_BLTDESTADDR + 3): |
1893 |
/* ignored */
|
1894 |
break;
|
1895 |
case (CIRRUS_MMIO_BLTSRCADDR + 0): |
1896 |
cirrus_hook_write_gr(s, 0x2c, value);
|
1897 |
break;
|
1898 |
case (CIRRUS_MMIO_BLTSRCADDR + 1): |
1899 |
cirrus_hook_write_gr(s, 0x2d, value);
|
1900 |
break;
|
1901 |
case (CIRRUS_MMIO_BLTSRCADDR + 2): |
1902 |
cirrus_hook_write_gr(s, 0x2e, value);
|
1903 |
break;
|
1904 |
case CIRRUS_MMIO_BLTWRITEMASK:
|
1905 |
cirrus_hook_write_gr(s, 0x2f, value);
|
1906 |
break;
|
1907 |
case CIRRUS_MMIO_BLTMODE:
|
1908 |
cirrus_hook_write_gr(s, 0x30, value);
|
1909 |
break;
|
1910 |
case CIRRUS_MMIO_BLTROP:
|
1911 |
cirrus_hook_write_gr(s, 0x32, value);
|
1912 |
break;
|
1913 |
case CIRRUS_MMIO_BLTMODEEXT:
|
1914 |
cirrus_hook_write_gr(s, 0x33, value);
|
1915 |
break;
|
1916 |
case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 0): |
1917 |
cirrus_hook_write_gr(s, 0x34, value);
|
1918 |
break;
|
1919 |
case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 1): |
1920 |
cirrus_hook_write_gr(s, 0x35, value);
|
1921 |
break;
|
1922 |
case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 0): |
1923 |
cirrus_hook_write_gr(s, 0x38, value);
|
1924 |
break;
|
1925 |
case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 1): |
1926 |
cirrus_hook_write_gr(s, 0x39, value);
|
1927 |
break;
|
1928 |
case CIRRUS_MMIO_BLTSTATUS:
|
1929 |
cirrus_hook_write_gr(s, 0x31, value);
|
1930 |
break;
|
1931 |
default:
|
1932 |
#ifdef DEBUG_CIRRUS
|
1933 |
printf("cirrus: mmio write - addr 0x%04x val 0x%02x (ignored)\n",
|
1934 |
address, value); |
1935 |
#endif
|
1936 |
break;
|
1937 |
} |
1938 |
} |
1939 |
|
1940 |
/***************************************
|
1941 |
*
|
1942 |
* write mode 4/5
|
1943 |
*
|
1944 |
* assume TARGET_PAGE_SIZE >= 16
|
1945 |
*
|
1946 |
***************************************/
|
1947 |
|
1948 |
static void cirrus_mem_writeb_mode4and5_8bpp(CirrusVGAState * s, |
1949 |
unsigned mode,
|
1950 |
unsigned offset,
|
1951 |
uint32_t mem_value) |
1952 |
{ |
1953 |
int x;
|
1954 |
unsigned val = mem_value;
|
1955 |
uint8_t *dst; |
1956 |
|
1957 |
dst = s->vram_ptr + (offset &= s->cirrus_addr_mask); |
1958 |
for (x = 0; x < 8; x++) { |
1959 |
if (val & 0x80) { |
1960 |
*dst = s->cirrus_shadow_gr1; |
1961 |
} else if (mode == 5) { |
1962 |
*dst = s->cirrus_shadow_gr0; |
1963 |
} |
1964 |
val <<= 1;
|
1965 |
dst++; |
1966 |
} |
1967 |
cpu_physical_memory_set_dirty(s->vram_offset + offset); |
1968 |
cpu_physical_memory_set_dirty(s->vram_offset + offset + 7);
|
1969 |
} |
1970 |
|
1971 |
static void cirrus_mem_writeb_mode4and5_16bpp(CirrusVGAState * s, |
1972 |
unsigned mode,
|
1973 |
unsigned offset,
|
1974 |
uint32_t mem_value) |
1975 |
{ |
1976 |
int x;
|
1977 |
unsigned val = mem_value;
|
1978 |
uint8_t *dst; |
1979 |
|
1980 |
dst = s->vram_ptr + (offset &= s->cirrus_addr_mask); |
1981 |
for (x = 0; x < 8; x++) { |
1982 |
if (val & 0x80) { |
1983 |
*dst = s->cirrus_shadow_gr1; |
1984 |
*(dst + 1) = s->gr[0x11]; |
1985 |
} else if (mode == 5) { |
1986 |
*dst = s->cirrus_shadow_gr0; |
1987 |
*(dst + 1) = s->gr[0x10]; |
1988 |
} |
1989 |
val <<= 1;
|
1990 |
dst += 2;
|
1991 |
} |
1992 |
cpu_physical_memory_set_dirty(s->vram_offset + offset); |
1993 |
cpu_physical_memory_set_dirty(s->vram_offset + offset + 15);
|
1994 |
} |
1995 |
|
1996 |
/***************************************
|
1997 |
*
|
1998 |
* memory access between 0xa0000-0xbffff
|
1999 |
*
|
2000 |
***************************************/
|
2001 |
|
2002 |
static uint32_t cirrus_vga_mem_readb(void *opaque, target_phys_addr_t addr) |
2003 |
{ |
2004 |
CirrusVGAState *s = opaque; |
2005 |
unsigned bank_index;
|
2006 |
unsigned bank_offset;
|
2007 |
uint32_t val; |
2008 |
|
2009 |
if ((s->sr[0x07] & 0x01) == 0) { |
2010 |
return vga_mem_readb(s, addr);
|
2011 |
} |
2012 |
|
2013 |
addr &= 0x1ffff;
|
2014 |
|
2015 |
if (addr < 0x10000) { |
2016 |
/* XXX handle bitblt */
|
2017 |
/* video memory */
|
2018 |
bank_index = addr >> 15;
|
2019 |
bank_offset = addr & 0x7fff;
|
2020 |
if (bank_offset < s->cirrus_bank_limit[bank_index]) {
|
2021 |
bank_offset += s->cirrus_bank_base[bank_index]; |
2022 |
if ((s->gr[0x0B] & 0x14) == 0x14) { |
2023 |
bank_offset <<= 4;
|
2024 |
} else if (s->gr[0x0B] & 0x02) { |
2025 |
bank_offset <<= 3;
|
2026 |
} |
2027 |
bank_offset &= s->cirrus_addr_mask; |
2028 |
val = *(s->vram_ptr + bank_offset); |
2029 |
} else
|
2030 |
val = 0xff;
|
2031 |
} else if (addr >= 0x18000 && addr < 0x18100) { |
2032 |
/* memory-mapped I/O */
|
2033 |
val = 0xff;
|
2034 |
if ((s->sr[0x17] & 0x44) == 0x04) { |
2035 |
val = cirrus_mmio_blt_read(s, addr & 0xff);
|
2036 |
} |
2037 |
} else {
|
2038 |
val = 0xff;
|
2039 |
#ifdef DEBUG_CIRRUS
|
2040 |
printf("cirrus: mem_readb %06x\n", addr);
|
2041 |
#endif
|
2042 |
} |
2043 |
return val;
|
2044 |
} |
2045 |
|
2046 |
static uint32_t cirrus_vga_mem_readw(void *opaque, target_phys_addr_t addr) |
2047 |
{ |
2048 |
uint32_t v; |
2049 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2050 |
v = cirrus_vga_mem_readb(opaque, addr) << 8;
|
2051 |
v |= cirrus_vga_mem_readb(opaque, addr + 1);
|
2052 |
#else
|
2053 |
v = cirrus_vga_mem_readb(opaque, addr); |
2054 |
v |= cirrus_vga_mem_readb(opaque, addr + 1) << 8; |
2055 |
#endif
|
2056 |
return v;
|
2057 |
} |
2058 |
|
2059 |
static uint32_t cirrus_vga_mem_readl(void *opaque, target_phys_addr_t addr) |
2060 |
{ |
2061 |
uint32_t v; |
2062 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2063 |
v = cirrus_vga_mem_readb(opaque, addr) << 24;
|
2064 |
v |= cirrus_vga_mem_readb(opaque, addr + 1) << 16; |
2065 |
v |= cirrus_vga_mem_readb(opaque, addr + 2) << 8; |
2066 |
v |= cirrus_vga_mem_readb(opaque, addr + 3);
|
2067 |
#else
|
2068 |
v = cirrus_vga_mem_readb(opaque, addr); |
2069 |
v |= cirrus_vga_mem_readb(opaque, addr + 1) << 8; |
2070 |
v |= cirrus_vga_mem_readb(opaque, addr + 2) << 16; |
2071 |
v |= cirrus_vga_mem_readb(opaque, addr + 3) << 24; |
2072 |
#endif
|
2073 |
return v;
|
2074 |
} |
2075 |
|
2076 |
static void cirrus_vga_mem_writeb(void *opaque, target_phys_addr_t addr, |
2077 |
uint32_t mem_value) |
2078 |
{ |
2079 |
CirrusVGAState *s = opaque; |
2080 |
unsigned bank_index;
|
2081 |
unsigned bank_offset;
|
2082 |
unsigned mode;
|
2083 |
|
2084 |
if ((s->sr[0x07] & 0x01) == 0) { |
2085 |
vga_mem_writeb(s, addr, mem_value); |
2086 |
return;
|
2087 |
} |
2088 |
|
2089 |
addr &= 0x1ffff;
|
2090 |
|
2091 |
if (addr < 0x10000) { |
2092 |
if (s->cirrus_srcptr != s->cirrus_srcptr_end) {
|
2093 |
/* bitblt */
|
2094 |
*s->cirrus_srcptr++ = (uint8_t) mem_value; |
2095 |
if (s->cirrus_srcptr >= s->cirrus_srcptr_end) {
|
2096 |
cirrus_bitblt_cputovideo_next(s); |
2097 |
} |
2098 |
} else {
|
2099 |
/* video memory */
|
2100 |
bank_index = addr >> 15;
|
2101 |
bank_offset = addr & 0x7fff;
|
2102 |
if (bank_offset < s->cirrus_bank_limit[bank_index]) {
|
2103 |
bank_offset += s->cirrus_bank_base[bank_index]; |
2104 |
if ((s->gr[0x0B] & 0x14) == 0x14) { |
2105 |
bank_offset <<= 4;
|
2106 |
} else if (s->gr[0x0B] & 0x02) { |
2107 |
bank_offset <<= 3;
|
2108 |
} |
2109 |
bank_offset &= s->cirrus_addr_mask; |
2110 |
mode = s->gr[0x05] & 0x7; |
2111 |
if (mode < 4 || mode > 5 || ((s->gr[0x0B] & 0x4) == 0)) { |
2112 |
*(s->vram_ptr + bank_offset) = mem_value; |
2113 |
cpu_physical_memory_set_dirty(s->vram_offset + |
2114 |
bank_offset); |
2115 |
} else {
|
2116 |
if ((s->gr[0x0B] & 0x14) != 0x14) { |
2117 |
cirrus_mem_writeb_mode4and5_8bpp(s, mode, |
2118 |
bank_offset, |
2119 |
mem_value); |
2120 |
} else {
|
2121 |
cirrus_mem_writeb_mode4and5_16bpp(s, mode, |
2122 |
bank_offset, |
2123 |
mem_value); |
2124 |
} |
2125 |
} |
2126 |
} |
2127 |
} |
2128 |
} else if (addr >= 0x18000 && addr < 0x18100) { |
2129 |
/* memory-mapped I/O */
|
2130 |
if ((s->sr[0x17] & 0x44) == 0x04) { |
2131 |
cirrus_mmio_blt_write(s, addr & 0xff, mem_value);
|
2132 |
} |
2133 |
} else {
|
2134 |
#ifdef DEBUG_CIRRUS
|
2135 |
printf("cirrus: mem_writeb %06x value %02x\n", addr, mem_value);
|
2136 |
#endif
|
2137 |
} |
2138 |
} |
2139 |
|
2140 |
static void cirrus_vga_mem_writew(void *opaque, target_phys_addr_t addr, uint32_t val) |
2141 |
{ |
2142 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2143 |
cirrus_vga_mem_writeb(opaque, addr, (val >> 8) & 0xff); |
2144 |
cirrus_vga_mem_writeb(opaque, addr + 1, val & 0xff); |
2145 |
#else
|
2146 |
cirrus_vga_mem_writeb(opaque, addr, val & 0xff);
|
2147 |
cirrus_vga_mem_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
2148 |
#endif
|
2149 |
} |
2150 |
|
2151 |
static void cirrus_vga_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val) |
2152 |
{ |
2153 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2154 |
cirrus_vga_mem_writeb(opaque, addr, (val >> 24) & 0xff); |
2155 |
cirrus_vga_mem_writeb(opaque, addr + 1, (val >> 16) & 0xff); |
2156 |
cirrus_vga_mem_writeb(opaque, addr + 2, (val >> 8) & 0xff); |
2157 |
cirrus_vga_mem_writeb(opaque, addr + 3, val & 0xff); |
2158 |
#else
|
2159 |
cirrus_vga_mem_writeb(opaque, addr, val & 0xff);
|
2160 |
cirrus_vga_mem_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
2161 |
cirrus_vga_mem_writeb(opaque, addr + 2, (val >> 16) & 0xff); |
2162 |
cirrus_vga_mem_writeb(opaque, addr + 3, (val >> 24) & 0xff); |
2163 |
#endif
|
2164 |
} |
2165 |
|
2166 |
static CPUReadMemoryFunc *cirrus_vga_mem_read[3] = { |
2167 |
cirrus_vga_mem_readb, |
2168 |
cirrus_vga_mem_readw, |
2169 |
cirrus_vga_mem_readl, |
2170 |
}; |
2171 |
|
2172 |
static CPUWriteMemoryFunc *cirrus_vga_mem_write[3] = { |
2173 |
cirrus_vga_mem_writeb, |
2174 |
cirrus_vga_mem_writew, |
2175 |
cirrus_vga_mem_writel, |
2176 |
}; |
2177 |
|
2178 |
/***************************************
|
2179 |
*
|
2180 |
* hardware cursor
|
2181 |
*
|
2182 |
***************************************/
|
2183 |
|
2184 |
static inline void invalidate_cursor1(CirrusVGAState *s) |
2185 |
{ |
2186 |
if (s->last_hw_cursor_size) {
|
2187 |
vga_invalidate_scanlines((VGAState *)s, |
2188 |
s->last_hw_cursor_y + s->last_hw_cursor_y_start, |
2189 |
s->last_hw_cursor_y + s->last_hw_cursor_y_end); |
2190 |
} |
2191 |
} |
2192 |
|
2193 |
static inline void cirrus_cursor_compute_yrange(CirrusVGAState *s) |
2194 |
{ |
2195 |
const uint8_t *src;
|
2196 |
uint32_t content; |
2197 |
int y, y_min, y_max;
|
2198 |
|
2199 |
src = s->vram_ptr + s->real_vram_size - 16 * 1024; |
2200 |
if (s->sr[0x12] & CIRRUS_CURSOR_LARGE) { |
2201 |
src += (s->sr[0x13] & 0x3c) * 256; |
2202 |
y_min = 64;
|
2203 |
y_max = -1;
|
2204 |
for(y = 0; y < 64; y++) { |
2205 |
content = ((uint32_t *)src)[0] |
|
2206 |
((uint32_t *)src)[1] |
|
2207 |
((uint32_t *)src)[2] |
|
2208 |
((uint32_t *)src)[3];
|
2209 |
if (content) {
|
2210 |
if (y < y_min)
|
2211 |
y_min = y; |
2212 |
if (y > y_max)
|
2213 |
y_max = y; |
2214 |
} |
2215 |
src += 16;
|
2216 |
} |
2217 |
} else {
|
2218 |
src += (s->sr[0x13] & 0x3f) * 256; |
2219 |
y_min = 32;
|
2220 |
y_max = -1;
|
2221 |
for(y = 0; y < 32; y++) { |
2222 |
content = ((uint32_t *)src)[0] |
|
2223 |
((uint32_t *)(src + 128))[0]; |
2224 |
if (content) {
|
2225 |
if (y < y_min)
|
2226 |
y_min = y; |
2227 |
if (y > y_max)
|
2228 |
y_max = y; |
2229 |
} |
2230 |
src += 4;
|
2231 |
} |
2232 |
} |
2233 |
if (y_min > y_max) {
|
2234 |
s->last_hw_cursor_y_start = 0;
|
2235 |
s->last_hw_cursor_y_end = 0;
|
2236 |
} else {
|
2237 |
s->last_hw_cursor_y_start = y_min; |
2238 |
s->last_hw_cursor_y_end = y_max + 1;
|
2239 |
} |
2240 |
} |
2241 |
|
2242 |
/* NOTE: we do not currently handle the cursor bitmap change, so we
|
2243 |
update the cursor only if it moves. */
|
2244 |
static void cirrus_cursor_invalidate(VGAState *s1) |
2245 |
{ |
2246 |
CirrusVGAState *s = (CirrusVGAState *)s1; |
2247 |
int size;
|
2248 |
|
2249 |
if (!s->sr[0x12] & CIRRUS_CURSOR_SHOW) { |
2250 |
size = 0;
|
2251 |
} else {
|
2252 |
if (s->sr[0x12] & CIRRUS_CURSOR_LARGE) |
2253 |
size = 64;
|
2254 |
else
|
2255 |
size = 32;
|
2256 |
} |
2257 |
/* invalidate last cursor and new cursor if any change */
|
2258 |
if (s->last_hw_cursor_size != size ||
|
2259 |
s->last_hw_cursor_x != s->hw_cursor_x || |
2260 |
s->last_hw_cursor_y != s->hw_cursor_y) { |
2261 |
|
2262 |
invalidate_cursor1(s); |
2263 |
|
2264 |
s->last_hw_cursor_size = size; |
2265 |
s->last_hw_cursor_x = s->hw_cursor_x; |
2266 |
s->last_hw_cursor_y = s->hw_cursor_y; |
2267 |
/* compute the real cursor min and max y */
|
2268 |
cirrus_cursor_compute_yrange(s); |
2269 |
invalidate_cursor1(s); |
2270 |
} |
2271 |
} |
2272 |
|
2273 |
static void cirrus_cursor_draw_line(VGAState *s1, uint8_t *d1, int scr_y) |
2274 |
{ |
2275 |
CirrusVGAState *s = (CirrusVGAState *)s1; |
2276 |
int w, h, bpp, x1, x2, poffset;
|
2277 |
unsigned int color0, color1; |
2278 |
const uint8_t *palette, *src;
|
2279 |
uint32_t content; |
2280 |
|
2281 |
if (!(s->sr[0x12] & CIRRUS_CURSOR_SHOW)) |
2282 |
return;
|
2283 |
/* fast test to see if the cursor intersects with the scan line */
|
2284 |
if (s->sr[0x12] & CIRRUS_CURSOR_LARGE) { |
2285 |
h = 64;
|
2286 |
} else {
|
2287 |
h = 32;
|
2288 |
} |
2289 |
if (scr_y < s->hw_cursor_y ||
|
2290 |
scr_y >= (s->hw_cursor_y + h)) |
2291 |
return;
|
2292 |
|
2293 |
src = s->vram_ptr + s->real_vram_size - 16 * 1024; |
2294 |
if (s->sr[0x12] & CIRRUS_CURSOR_LARGE) { |
2295 |
src += (s->sr[0x13] & 0x3c) * 256; |
2296 |
src += (scr_y - s->hw_cursor_y) * 16;
|
2297 |
poffset = 8;
|
2298 |
content = ((uint32_t *)src)[0] |
|
2299 |
((uint32_t *)src)[1] |
|
2300 |
((uint32_t *)src)[2] |
|
2301 |
((uint32_t *)src)[3];
|
2302 |
} else {
|
2303 |
src += (s->sr[0x13] & 0x3f) * 256; |
2304 |
src += (scr_y - s->hw_cursor_y) * 4;
|
2305 |
poffset = 128;
|
2306 |
content = ((uint32_t *)src)[0] |
|
2307 |
((uint32_t *)(src + 128))[0]; |
2308 |
} |
2309 |
/* if nothing to draw, no need to continue */
|
2310 |
if (!content)
|
2311 |
return;
|
2312 |
w = h; |
2313 |
|
2314 |
x1 = s->hw_cursor_x; |
2315 |
if (x1 >= s->last_scr_width)
|
2316 |
return;
|
2317 |
x2 = s->hw_cursor_x + w; |
2318 |
if (x2 > s->last_scr_width)
|
2319 |
x2 = s->last_scr_width; |
2320 |
w = x2 - x1; |
2321 |
palette = s->cirrus_hidden_palette; |
2322 |
color0 = s->rgb_to_pixel(c6_to_8(palette[0x0 * 3]), |
2323 |
c6_to_8(palette[0x0 * 3 + 1]), |
2324 |
c6_to_8(palette[0x0 * 3 + 2])); |
2325 |
color1 = s->rgb_to_pixel(c6_to_8(palette[0xf * 3]), |
2326 |
c6_to_8(palette[0xf * 3 + 1]), |
2327 |
c6_to_8(palette[0xf * 3 + 2])); |
2328 |
bpp = ((ds_get_bits_per_pixel(s->ds) + 7) >> 3); |
2329 |
d1 += x1 * bpp; |
2330 |
switch(ds_get_bits_per_pixel(s->ds)) {
|
2331 |
default:
|
2332 |
break;
|
2333 |
case 8: |
2334 |
vga_draw_cursor_line_8(d1, src, poffset, w, color0, color1, 0xff);
|
2335 |
break;
|
2336 |
case 15: |
2337 |
vga_draw_cursor_line_16(d1, src, poffset, w, color0, color1, 0x7fff);
|
2338 |
break;
|
2339 |
case 16: |
2340 |
vga_draw_cursor_line_16(d1, src, poffset, w, color0, color1, 0xffff);
|
2341 |
break;
|
2342 |
case 32: |
2343 |
vga_draw_cursor_line_32(d1, src, poffset, w, color0, color1, 0xffffff);
|
2344 |
break;
|
2345 |
} |
2346 |
} |
2347 |
|
2348 |
/***************************************
|
2349 |
*
|
2350 |
* LFB memory access
|
2351 |
*
|
2352 |
***************************************/
|
2353 |
|
2354 |
static uint32_t cirrus_linear_readb(void *opaque, target_phys_addr_t addr) |
2355 |
{ |
2356 |
CirrusVGAState *s = (CirrusVGAState *) opaque; |
2357 |
uint32_t ret; |
2358 |
|
2359 |
addr &= s->cirrus_addr_mask; |
2360 |
|
2361 |
if (((s->sr[0x17] & 0x44) == 0x44) && |
2362 |
((addr & s->linear_mmio_mask) == s->linear_mmio_mask)) { |
2363 |
/* memory-mapped I/O */
|
2364 |
ret = cirrus_mmio_blt_read(s, addr & 0xff);
|
2365 |
} else if (0) { |
2366 |
/* XXX handle bitblt */
|
2367 |
ret = 0xff;
|
2368 |
} else {
|
2369 |
/* video memory */
|
2370 |
if ((s->gr[0x0B] & 0x14) == 0x14) { |
2371 |
addr <<= 4;
|
2372 |
} else if (s->gr[0x0B] & 0x02) { |
2373 |
addr <<= 3;
|
2374 |
} |
2375 |
addr &= s->cirrus_addr_mask; |
2376 |
ret = *(s->vram_ptr + addr); |
2377 |
} |
2378 |
|
2379 |
return ret;
|
2380 |
} |
2381 |
|
2382 |
static uint32_t cirrus_linear_readw(void *opaque, target_phys_addr_t addr) |
2383 |
{ |
2384 |
uint32_t v; |
2385 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2386 |
v = cirrus_linear_readb(opaque, addr) << 8;
|
2387 |
v |= cirrus_linear_readb(opaque, addr + 1);
|
2388 |
#else
|
2389 |
v = cirrus_linear_readb(opaque, addr); |
2390 |
v |= cirrus_linear_readb(opaque, addr + 1) << 8; |
2391 |
#endif
|
2392 |
return v;
|
2393 |
} |
2394 |
|
2395 |
static uint32_t cirrus_linear_readl(void *opaque, target_phys_addr_t addr) |
2396 |
{ |
2397 |
uint32_t v; |
2398 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2399 |
v = cirrus_linear_readb(opaque, addr) << 24;
|
2400 |
v |= cirrus_linear_readb(opaque, addr + 1) << 16; |
2401 |
v |= cirrus_linear_readb(opaque, addr + 2) << 8; |
2402 |
v |= cirrus_linear_readb(opaque, addr + 3);
|
2403 |
#else
|
2404 |
v = cirrus_linear_readb(opaque, addr); |
2405 |
v |= cirrus_linear_readb(opaque, addr + 1) << 8; |
2406 |
v |= cirrus_linear_readb(opaque, addr + 2) << 16; |
2407 |
v |= cirrus_linear_readb(opaque, addr + 3) << 24; |
2408 |
#endif
|
2409 |
return v;
|
2410 |
} |
2411 |
|
2412 |
static void cirrus_linear_writeb(void *opaque, target_phys_addr_t addr, |
2413 |
uint32_t val) |
2414 |
{ |
2415 |
CirrusVGAState *s = (CirrusVGAState *) opaque; |
2416 |
unsigned mode;
|
2417 |
|
2418 |
addr &= s->cirrus_addr_mask; |
2419 |
|
2420 |
if (((s->sr[0x17] & 0x44) == 0x44) && |
2421 |
((addr & s->linear_mmio_mask) == s->linear_mmio_mask)) { |
2422 |
/* memory-mapped I/O */
|
2423 |
cirrus_mmio_blt_write(s, addr & 0xff, val);
|
2424 |
} else if (s->cirrus_srcptr != s->cirrus_srcptr_end) { |
2425 |
/* bitblt */
|
2426 |
*s->cirrus_srcptr++ = (uint8_t) val; |
2427 |
if (s->cirrus_srcptr >= s->cirrus_srcptr_end) {
|
2428 |
cirrus_bitblt_cputovideo_next(s); |
2429 |
} |
2430 |
} else {
|
2431 |
/* video memory */
|
2432 |
if ((s->gr[0x0B] & 0x14) == 0x14) { |
2433 |
addr <<= 4;
|
2434 |
} else if (s->gr[0x0B] & 0x02) { |
2435 |
addr <<= 3;
|
2436 |
} |
2437 |
addr &= s->cirrus_addr_mask; |
2438 |
|
2439 |
mode = s->gr[0x05] & 0x7; |
2440 |
if (mode < 4 || mode > 5 || ((s->gr[0x0B] & 0x4) == 0)) { |
2441 |
*(s->vram_ptr + addr) = (uint8_t) val; |
2442 |
cpu_physical_memory_set_dirty(s->vram_offset + addr); |
2443 |
} else {
|
2444 |
if ((s->gr[0x0B] & 0x14) != 0x14) { |
2445 |
cirrus_mem_writeb_mode4and5_8bpp(s, mode, addr, val); |
2446 |
} else {
|
2447 |
cirrus_mem_writeb_mode4and5_16bpp(s, mode, addr, val); |
2448 |
} |
2449 |
} |
2450 |
} |
2451 |
} |
2452 |
|
2453 |
static void cirrus_linear_writew(void *opaque, target_phys_addr_t addr, |
2454 |
uint32_t val) |
2455 |
{ |
2456 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2457 |
cirrus_linear_writeb(opaque, addr, (val >> 8) & 0xff); |
2458 |
cirrus_linear_writeb(opaque, addr + 1, val & 0xff); |
2459 |
#else
|
2460 |
cirrus_linear_writeb(opaque, addr, val & 0xff);
|
2461 |
cirrus_linear_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
2462 |
#endif
|
2463 |
} |
2464 |
|
2465 |
static void cirrus_linear_writel(void *opaque, target_phys_addr_t addr, |
2466 |
uint32_t val) |
2467 |
{ |
2468 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2469 |
cirrus_linear_writeb(opaque, addr, (val >> 24) & 0xff); |
2470 |
cirrus_linear_writeb(opaque, addr + 1, (val >> 16) & 0xff); |
2471 |
cirrus_linear_writeb(opaque, addr + 2, (val >> 8) & 0xff); |
2472 |
cirrus_linear_writeb(opaque, addr + 3, val & 0xff); |
2473 |
#else
|
2474 |
cirrus_linear_writeb(opaque, addr, val & 0xff);
|
2475 |
cirrus_linear_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
2476 |
cirrus_linear_writeb(opaque, addr + 2, (val >> 16) & 0xff); |
2477 |
cirrus_linear_writeb(opaque, addr + 3, (val >> 24) & 0xff); |
2478 |
#endif
|
2479 |
} |
2480 |
|
2481 |
|
2482 |
static CPUReadMemoryFunc *cirrus_linear_read[3] = { |
2483 |
cirrus_linear_readb, |
2484 |
cirrus_linear_readw, |
2485 |
cirrus_linear_readl, |
2486 |
}; |
2487 |
|
2488 |
static CPUWriteMemoryFunc *cirrus_linear_write[3] = { |
2489 |
cirrus_linear_writeb, |
2490 |
cirrus_linear_writew, |
2491 |
cirrus_linear_writel, |
2492 |
}; |
2493 |
|
2494 |
static void cirrus_linear_mem_writeb(void *opaque, target_phys_addr_t addr, |
2495 |
uint32_t val) |
2496 |
{ |
2497 |
CirrusVGAState *s = (CirrusVGAState *) opaque; |
2498 |
|
2499 |
addr &= s->cirrus_addr_mask; |
2500 |
*(s->vram_ptr + addr) = val; |
2501 |
cpu_physical_memory_set_dirty(s->vram_offset + addr); |
2502 |
} |
2503 |
|
2504 |
static void cirrus_linear_mem_writew(void *opaque, target_phys_addr_t addr, |
2505 |
uint32_t val) |
2506 |
{ |
2507 |
CirrusVGAState *s = (CirrusVGAState *) opaque; |
2508 |
|
2509 |
addr &= s->cirrus_addr_mask; |
2510 |
cpu_to_le16w((uint16_t *)(s->vram_ptr + addr), val); |
2511 |
cpu_physical_memory_set_dirty(s->vram_offset + addr); |
2512 |
} |
2513 |
|
2514 |
static void cirrus_linear_mem_writel(void *opaque, target_phys_addr_t addr, |
2515 |
uint32_t val) |
2516 |
{ |
2517 |
CirrusVGAState *s = (CirrusVGAState *) opaque; |
2518 |
|
2519 |
addr &= s->cirrus_addr_mask; |
2520 |
cpu_to_le32w((uint32_t *)(s->vram_ptr + addr), val); |
2521 |
cpu_physical_memory_set_dirty(s->vram_offset + addr); |
2522 |
} |
2523 |
|
2524 |
/***************************************
|
2525 |
*
|
2526 |
* system to screen memory access
|
2527 |
*
|
2528 |
***************************************/
|
2529 |
|
2530 |
|
2531 |
static uint32_t cirrus_linear_bitblt_readb(void *opaque, target_phys_addr_t addr) |
2532 |
{ |
2533 |
uint32_t ret; |
2534 |
|
2535 |
/* XXX handle bitblt */
|
2536 |
ret = 0xff;
|
2537 |
return ret;
|
2538 |
} |
2539 |
|
2540 |
static uint32_t cirrus_linear_bitblt_readw(void *opaque, target_phys_addr_t addr) |
2541 |
{ |
2542 |
uint32_t v; |
2543 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2544 |
v = cirrus_linear_bitblt_readb(opaque, addr) << 8;
|
2545 |
v |= cirrus_linear_bitblt_readb(opaque, addr + 1);
|
2546 |
#else
|
2547 |
v = cirrus_linear_bitblt_readb(opaque, addr); |
2548 |
v |= cirrus_linear_bitblt_readb(opaque, addr + 1) << 8; |
2549 |
#endif
|
2550 |
return v;
|
2551 |
} |
2552 |
|
2553 |
static uint32_t cirrus_linear_bitblt_readl(void *opaque, target_phys_addr_t addr) |
2554 |
{ |
2555 |
uint32_t v; |
2556 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2557 |
v = cirrus_linear_bitblt_readb(opaque, addr) << 24;
|
2558 |
v |= cirrus_linear_bitblt_readb(opaque, addr + 1) << 16; |
2559 |
v |= cirrus_linear_bitblt_readb(opaque, addr + 2) << 8; |
2560 |
v |= cirrus_linear_bitblt_readb(opaque, addr + 3);
|
2561 |
#else
|
2562 |
v = cirrus_linear_bitblt_readb(opaque, addr); |
2563 |
v |= cirrus_linear_bitblt_readb(opaque, addr + 1) << 8; |
2564 |
v |= cirrus_linear_bitblt_readb(opaque, addr + 2) << 16; |
2565 |
v |= cirrus_linear_bitblt_readb(opaque, addr + 3) << 24; |
2566 |
#endif
|
2567 |
return v;
|
2568 |
} |
2569 |
|
2570 |
static void cirrus_linear_bitblt_writeb(void *opaque, target_phys_addr_t addr, |
2571 |
uint32_t val) |
2572 |
{ |
2573 |
CirrusVGAState *s = (CirrusVGAState *) opaque; |
2574 |
|
2575 |
if (s->cirrus_srcptr != s->cirrus_srcptr_end) {
|
2576 |
/* bitblt */
|
2577 |
*s->cirrus_srcptr++ = (uint8_t) val; |
2578 |
if (s->cirrus_srcptr >= s->cirrus_srcptr_end) {
|
2579 |
cirrus_bitblt_cputovideo_next(s); |
2580 |
} |
2581 |
} |
2582 |
} |
2583 |
|
2584 |
static void cirrus_linear_bitblt_writew(void *opaque, target_phys_addr_t addr, |
2585 |
uint32_t val) |
2586 |
{ |
2587 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2588 |
cirrus_linear_bitblt_writeb(opaque, addr, (val >> 8) & 0xff); |
2589 |
cirrus_linear_bitblt_writeb(opaque, addr + 1, val & 0xff); |
2590 |
#else
|
2591 |
cirrus_linear_bitblt_writeb(opaque, addr, val & 0xff);
|
2592 |
cirrus_linear_bitblt_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
2593 |
#endif
|
2594 |
} |
2595 |
|
2596 |
static void cirrus_linear_bitblt_writel(void *opaque, target_phys_addr_t addr, |
2597 |
uint32_t val) |
2598 |
{ |
2599 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2600 |
cirrus_linear_bitblt_writeb(opaque, addr, (val >> 24) & 0xff); |
2601 |
cirrus_linear_bitblt_writeb(opaque, addr + 1, (val >> 16) & 0xff); |
2602 |
cirrus_linear_bitblt_writeb(opaque, addr + 2, (val >> 8) & 0xff); |
2603 |
cirrus_linear_bitblt_writeb(opaque, addr + 3, val & 0xff); |
2604 |
#else
|
2605 |
cirrus_linear_bitblt_writeb(opaque, addr, val & 0xff);
|
2606 |
cirrus_linear_bitblt_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
2607 |
cirrus_linear_bitblt_writeb(opaque, addr + 2, (val >> 16) & 0xff); |
2608 |
cirrus_linear_bitblt_writeb(opaque, addr + 3, (val >> 24) & 0xff); |
2609 |
#endif
|
2610 |
} |
2611 |
|
2612 |
|
2613 |
static CPUReadMemoryFunc *cirrus_linear_bitblt_read[3] = { |
2614 |
cirrus_linear_bitblt_readb, |
2615 |
cirrus_linear_bitblt_readw, |
2616 |
cirrus_linear_bitblt_readl, |
2617 |
}; |
2618 |
|
2619 |
static CPUWriteMemoryFunc *cirrus_linear_bitblt_write[3] = { |
2620 |
cirrus_linear_bitblt_writeb, |
2621 |
cirrus_linear_bitblt_writew, |
2622 |
cirrus_linear_bitblt_writel, |
2623 |
}; |
2624 |
|
2625 |
static void map_linear_vram(CirrusVGAState *s) |
2626 |
{ |
2627 |
vga_dirty_log_stop((VGAState *)s); |
2628 |
|
2629 |
if (!s->map_addr && s->lfb_addr && s->lfb_end) {
|
2630 |
s->map_addr = s->lfb_addr; |
2631 |
s->map_end = s->lfb_end; |
2632 |
cpu_register_physical_memory(s->map_addr, s->map_end - s->map_addr, s->vram_offset); |
2633 |
} |
2634 |
|
2635 |
if (!s->map_addr)
|
2636 |
return;
|
2637 |
|
2638 |
s->lfb_vram_mapped = 0;
|
2639 |
|
2640 |
if (!(s->cirrus_srcptr != s->cirrus_srcptr_end)
|
2641 |
&& !((s->sr[0x07] & 0x01) == 0) |
2642 |
&& !((s->gr[0x0B] & 0x14) == 0x14) |
2643 |
&& !(s->gr[0x0B] & 0x02)) { |
2644 |
|
2645 |
cpu_register_physical_memory(isa_mem_base + 0xa0000, 0x8000, |
2646 |
(s->vram_offset + s->cirrus_bank_base[0]) | IO_MEM_RAM);
|
2647 |
cpu_register_physical_memory(isa_mem_base + 0xa8000, 0x8000, |
2648 |
(s->vram_offset + s->cirrus_bank_base[1]) | IO_MEM_RAM);
|
2649 |
|
2650 |
s->lfb_vram_mapped = 1;
|
2651 |
} |
2652 |
else {
|
2653 |
cpu_register_physical_memory(isa_mem_base + 0xa0000, 0x20000, |
2654 |
s->vga_io_memory); |
2655 |
} |
2656 |
|
2657 |
vga_dirty_log_start((VGAState *)s); |
2658 |
} |
2659 |
|
2660 |
static void unmap_linear_vram(CirrusVGAState *s) |
2661 |
{ |
2662 |
vga_dirty_log_stop((VGAState *)s); |
2663 |
|
2664 |
if (s->map_addr && s->lfb_addr && s->lfb_end)
|
2665 |
s->map_addr = s->map_end = 0;
|
2666 |
|
2667 |
cpu_register_physical_memory(isa_mem_base + 0xa0000, 0x20000, |
2668 |
s->vga_io_memory); |
2669 |
|
2670 |
vga_dirty_log_start((VGAState *)s); |
2671 |
} |
2672 |
|
2673 |
/* Compute the memory access functions */
|
2674 |
static void cirrus_update_memory_access(CirrusVGAState *s) |
2675 |
{ |
2676 |
unsigned mode;
|
2677 |
|
2678 |
if ((s->sr[0x17] & 0x44) == 0x44) { |
2679 |
goto generic_io;
|
2680 |
} else if (s->cirrus_srcptr != s->cirrus_srcptr_end) { |
2681 |
goto generic_io;
|
2682 |
} else {
|
2683 |
if ((s->gr[0x0B] & 0x14) == 0x14) { |
2684 |
goto generic_io;
|
2685 |
} else if (s->gr[0x0B] & 0x02) { |
2686 |
goto generic_io;
|
2687 |
} |
2688 |
|
2689 |
mode = s->gr[0x05] & 0x7; |
2690 |
if (mode < 4 || mode > 5 || ((s->gr[0x0B] & 0x4) == 0)) { |
2691 |
map_linear_vram(s); |
2692 |
s->cirrus_linear_write[0] = cirrus_linear_mem_writeb;
|
2693 |
s->cirrus_linear_write[1] = cirrus_linear_mem_writew;
|
2694 |
s->cirrus_linear_write[2] = cirrus_linear_mem_writel;
|
2695 |
} else {
|
2696 |
generic_io:
|
2697 |
unmap_linear_vram(s); |
2698 |
s->cirrus_linear_write[0] = cirrus_linear_writeb;
|
2699 |
s->cirrus_linear_write[1] = cirrus_linear_writew;
|
2700 |
s->cirrus_linear_write[2] = cirrus_linear_writel;
|
2701 |
} |
2702 |
} |
2703 |
} |
2704 |
|
2705 |
|
2706 |
/* I/O ports */
|
2707 |
|
2708 |
static uint32_t vga_ioport_read(void *opaque, uint32_t addr) |
2709 |
{ |
2710 |
CirrusVGAState *s = opaque; |
2711 |
int val, index;
|
2712 |
|
2713 |
/* check port range access depending on color/monochrome mode */
|
2714 |
if ((addr >= 0x3b0 && addr <= 0x3bf && (s->msr & MSR_COLOR_EMULATION)) |
2715 |
|| (addr >= 0x3d0 && addr <= 0x3df |
2716 |
&& !(s->msr & MSR_COLOR_EMULATION))) { |
2717 |
val = 0xff;
|
2718 |
} else {
|
2719 |
switch (addr) {
|
2720 |
case 0x3c0: |
2721 |
if (s->ar_flip_flop == 0) { |
2722 |
val = s->ar_index; |
2723 |
} else {
|
2724 |
val = 0;
|
2725 |
} |
2726 |
break;
|
2727 |
case 0x3c1: |
2728 |
index = s->ar_index & 0x1f;
|
2729 |
if (index < 21) |
2730 |
val = s->ar[index]; |
2731 |
else
|
2732 |
val = 0;
|
2733 |
break;
|
2734 |
case 0x3c2: |
2735 |
val = s->st00; |
2736 |
break;
|
2737 |
case 0x3c4: |
2738 |
val = s->sr_index; |
2739 |
break;
|
2740 |
case 0x3c5: |
2741 |
if (cirrus_hook_read_sr(s, s->sr_index, &val))
|
2742 |
break;
|
2743 |
val = s->sr[s->sr_index]; |
2744 |
#ifdef DEBUG_VGA_REG
|
2745 |
printf("vga: read SR%x = 0x%02x\n", s->sr_index, val);
|
2746 |
#endif
|
2747 |
break;
|
2748 |
case 0x3c6: |
2749 |
cirrus_read_hidden_dac(s, &val); |
2750 |
break;
|
2751 |
case 0x3c7: |
2752 |
val = s->dac_state; |
2753 |
break;
|
2754 |
case 0x3c8: |
2755 |
val = s->dac_write_index; |
2756 |
s->cirrus_hidden_dac_lockindex = 0;
|
2757 |
break;
|
2758 |
case 0x3c9: |
2759 |
if (cirrus_hook_read_palette(s, &val))
|
2760 |
break;
|
2761 |
val = s->palette[s->dac_read_index * 3 + s->dac_sub_index];
|
2762 |
if (++s->dac_sub_index == 3) { |
2763 |
s->dac_sub_index = 0;
|
2764 |
s->dac_read_index++; |
2765 |
} |
2766 |
break;
|
2767 |
case 0x3ca: |
2768 |
val = s->fcr; |
2769 |
break;
|
2770 |
case 0x3cc: |
2771 |
val = s->msr; |
2772 |
break;
|
2773 |
case 0x3ce: |
2774 |
val = s->gr_index; |
2775 |
break;
|
2776 |
case 0x3cf: |
2777 |
if (cirrus_hook_read_gr(s, s->gr_index, &val))
|
2778 |
break;
|
2779 |
val = s->gr[s->gr_index]; |
2780 |
#ifdef DEBUG_VGA_REG
|
2781 |
printf("vga: read GR%x = 0x%02x\n", s->gr_index, val);
|
2782 |
#endif
|
2783 |
break;
|
2784 |
case 0x3b4: |
2785 |
case 0x3d4: |
2786 |
val = s->cr_index; |
2787 |
break;
|
2788 |
case 0x3b5: |
2789 |
case 0x3d5: |
2790 |
if (cirrus_hook_read_cr(s, s->cr_index, &val))
|
2791 |
break;
|
2792 |
val = s->cr[s->cr_index]; |
2793 |
#ifdef DEBUG_VGA_REG
|
2794 |
printf("vga: read CR%x = 0x%02x\n", s->cr_index, val);
|
2795 |
#endif
|
2796 |
break;
|
2797 |
case 0x3ba: |
2798 |
case 0x3da: |
2799 |
/* just toggle to fool polling */
|
2800 |
val = s->st01 = s->retrace((VGAState *) s); |
2801 |
s->ar_flip_flop = 0;
|
2802 |
break;
|
2803 |
default:
|
2804 |
val = 0x00;
|
2805 |
break;
|
2806 |
} |
2807 |
} |
2808 |
#if defined(DEBUG_VGA)
|
2809 |
printf("VGA: read addr=0x%04x data=0x%02x\n", addr, val);
|
2810 |
#endif
|
2811 |
return val;
|
2812 |
} |
2813 |
|
2814 |
static void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val) |
2815 |
{ |
2816 |
CirrusVGAState *s = opaque; |
2817 |
int index;
|
2818 |
|
2819 |
/* check port range access depending on color/monochrome mode */
|
2820 |
if ((addr >= 0x3b0 && addr <= 0x3bf && (s->msr & MSR_COLOR_EMULATION)) |
2821 |
|| (addr >= 0x3d0 && addr <= 0x3df |
2822 |
&& !(s->msr & MSR_COLOR_EMULATION))) |
2823 |
return;
|
2824 |
|
2825 |
#ifdef DEBUG_VGA
|
2826 |
printf("VGA: write addr=0x%04x data=0x%02x\n", addr, val);
|
2827 |
#endif
|
2828 |
|
2829 |
switch (addr) {
|
2830 |
case 0x3c0: |
2831 |
if (s->ar_flip_flop == 0) { |
2832 |
val &= 0x3f;
|
2833 |
s->ar_index = val; |
2834 |
} else {
|
2835 |
index = s->ar_index & 0x1f;
|
2836 |
switch (index) {
|
2837 |
case 0x00 ... 0x0f: |
2838 |
s->ar[index] = val & 0x3f;
|
2839 |
break;
|
2840 |
case 0x10: |
2841 |
s->ar[index] = val & ~0x10;
|
2842 |
break;
|
2843 |
case 0x11: |
2844 |
s->ar[index] = val; |
2845 |
break;
|
2846 |
case 0x12: |
2847 |
s->ar[index] = val & ~0xc0;
|
2848 |
break;
|
2849 |
case 0x13: |
2850 |
s->ar[index] = val & ~0xf0;
|
2851 |
break;
|
2852 |
case 0x14: |
2853 |
s->ar[index] = val & ~0xf0;
|
2854 |
break;
|
2855 |
default:
|
2856 |
break;
|
2857 |
} |
2858 |
} |
2859 |
s->ar_flip_flop ^= 1;
|
2860 |
break;
|
2861 |
case 0x3c2: |
2862 |
s->msr = val & ~0x10;
|
2863 |
s->update_retrace_info((VGAState *) s); |
2864 |
break;
|
2865 |
case 0x3c4: |
2866 |
s->sr_index = val; |
2867 |
break;
|
2868 |
case 0x3c5: |
2869 |
if (cirrus_hook_write_sr(s, s->sr_index, val))
|
2870 |
break;
|
2871 |
#ifdef DEBUG_VGA_REG
|
2872 |
printf("vga: write SR%x = 0x%02x\n", s->sr_index, val);
|
2873 |
#endif
|
2874 |
s->sr[s->sr_index] = val & sr_mask[s->sr_index]; |
2875 |
if (s->sr_index == 1) s->update_retrace_info((VGAState *) s); |
2876 |
break;
|
2877 |
case 0x3c6: |
2878 |
cirrus_write_hidden_dac(s, val); |
2879 |
break;
|
2880 |
case 0x3c7: |
2881 |
s->dac_read_index = val; |
2882 |
s->dac_sub_index = 0;
|
2883 |
s->dac_state = 3;
|
2884 |
break;
|
2885 |
case 0x3c8: |
2886 |
s->dac_write_index = val; |
2887 |
s->dac_sub_index = 0;
|
2888 |
s->dac_state = 0;
|
2889 |
break;
|
2890 |
case 0x3c9: |
2891 |
if (cirrus_hook_write_palette(s, val))
|
2892 |
break;
|
2893 |
s->dac_cache[s->dac_sub_index] = val; |
2894 |
if (++s->dac_sub_index == 3) { |
2895 |
memcpy(&s->palette[s->dac_write_index * 3], s->dac_cache, 3); |
2896 |
s->dac_sub_index = 0;
|
2897 |
s->dac_write_index++; |
2898 |
} |
2899 |
break;
|
2900 |
case 0x3ce: |
2901 |
s->gr_index = val; |
2902 |
break;
|
2903 |
case 0x3cf: |
2904 |
if (cirrus_hook_write_gr(s, s->gr_index, val))
|
2905 |
break;
|
2906 |
#ifdef DEBUG_VGA_REG
|
2907 |
printf("vga: write GR%x = 0x%02x\n", s->gr_index, val);
|
2908 |
#endif
|
2909 |
s->gr[s->gr_index] = val & gr_mask[s->gr_index]; |
2910 |
break;
|
2911 |
case 0x3b4: |
2912 |
case 0x3d4: |
2913 |
s->cr_index = val; |
2914 |
break;
|
2915 |
case 0x3b5: |
2916 |
case 0x3d5: |
2917 |
if (cirrus_hook_write_cr(s, s->cr_index, val))
|
2918 |
break;
|
2919 |
#ifdef DEBUG_VGA_REG
|
2920 |
printf("vga: write CR%x = 0x%02x\n", s->cr_index, val);
|
2921 |
#endif
|
2922 |
/* handle CR0-7 protection */
|
2923 |
if ((s->cr[0x11] & 0x80) && s->cr_index <= 7) { |
2924 |
/* can always write bit 4 of CR7 */
|
2925 |
if (s->cr_index == 7) |
2926 |
s->cr[7] = (s->cr[7] & ~0x10) | (val & 0x10); |
2927 |
return;
|
2928 |
} |
2929 |
switch (s->cr_index) {
|
2930 |
case 0x01: /* horizontal display end */ |
2931 |
case 0x07: |
2932 |
case 0x09: |
2933 |
case 0x0c: |
2934 |
case 0x0d: |
2935 |
case 0x12: /* vertical display end */ |
2936 |
s->cr[s->cr_index] = val; |
2937 |
break;
|
2938 |
|
2939 |
default:
|
2940 |
s->cr[s->cr_index] = val; |
2941 |
break;
|
2942 |
} |
2943 |
|
2944 |
switch(s->cr_index) {
|
2945 |
case 0x00: |
2946 |
case 0x04: |
2947 |
case 0x05: |
2948 |
case 0x06: |
2949 |
case 0x07: |
2950 |
case 0x11: |
2951 |
case 0x17: |
2952 |
s->update_retrace_info((VGAState *) s); |
2953 |
break;
|
2954 |
} |
2955 |
break;
|
2956 |
case 0x3ba: |
2957 |
case 0x3da: |
2958 |
s->fcr = val & 0x10;
|
2959 |
break;
|
2960 |
} |
2961 |
} |
2962 |
|
2963 |
/***************************************
|
2964 |
*
|
2965 |
* memory-mapped I/O access
|
2966 |
*
|
2967 |
***************************************/
|
2968 |
|
2969 |
static uint32_t cirrus_mmio_readb(void *opaque, target_phys_addr_t addr) |
2970 |
{ |
2971 |
CirrusVGAState *s = (CirrusVGAState *) opaque; |
2972 |
|
2973 |
addr &= CIRRUS_PNPMMIO_SIZE - 1;
|
2974 |
|
2975 |
if (addr >= 0x100) { |
2976 |
return cirrus_mmio_blt_read(s, addr - 0x100); |
2977 |
} else {
|
2978 |
return vga_ioport_read(s, addr + 0x3c0); |
2979 |
} |
2980 |
} |
2981 |
|
2982 |
static uint32_t cirrus_mmio_readw(void *opaque, target_phys_addr_t addr) |
2983 |
{ |
2984 |
uint32_t v; |
2985 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2986 |
v = cirrus_mmio_readb(opaque, addr) << 8;
|
2987 |
v |= cirrus_mmio_readb(opaque, addr + 1);
|
2988 |
#else
|
2989 |
v = cirrus_mmio_readb(opaque, addr); |
2990 |
v |= cirrus_mmio_readb(opaque, addr + 1) << 8; |
2991 |
#endif
|
2992 |
return v;
|
2993 |
} |
2994 |
|
2995 |
static uint32_t cirrus_mmio_readl(void *opaque, target_phys_addr_t addr) |
2996 |
{ |
2997 |
uint32_t v; |
2998 |
#ifdef TARGET_WORDS_BIGENDIAN
|
2999 |
v = cirrus_mmio_readb(opaque, addr) << 24;
|
3000 |
v |= cirrus_mmio_readb(opaque, addr + 1) << 16; |
3001 |
v |= cirrus_mmio_readb(opaque, addr + 2) << 8; |
3002 |
v |= cirrus_mmio_readb(opaque, addr + 3);
|
3003 |
#else
|
3004 |
v = cirrus_mmio_readb(opaque, addr); |
3005 |
v |= cirrus_mmio_readb(opaque, addr + 1) << 8; |
3006 |
v |= cirrus_mmio_readb(opaque, addr + 2) << 16; |
3007 |
v |= cirrus_mmio_readb(opaque, addr + 3) << 24; |
3008 |
#endif
|
3009 |
return v;
|
3010 |
} |
3011 |
|
3012 |
static void cirrus_mmio_writeb(void *opaque, target_phys_addr_t addr, |
3013 |
uint32_t val) |
3014 |
{ |
3015 |
CirrusVGAState *s = (CirrusVGAState *) opaque; |
3016 |
|
3017 |
addr &= CIRRUS_PNPMMIO_SIZE - 1;
|
3018 |
|
3019 |
if (addr >= 0x100) { |
3020 |
cirrus_mmio_blt_write(s, addr - 0x100, val);
|
3021 |
} else {
|
3022 |
vga_ioport_write(s, addr + 0x3c0, val);
|
3023 |
} |
3024 |
} |
3025 |
|
3026 |
static void cirrus_mmio_writew(void *opaque, target_phys_addr_t addr, |
3027 |
uint32_t val) |
3028 |
{ |
3029 |
#ifdef TARGET_WORDS_BIGENDIAN
|
3030 |
cirrus_mmio_writeb(opaque, addr, (val >> 8) & 0xff); |
3031 |
cirrus_mmio_writeb(opaque, addr + 1, val & 0xff); |
3032 |
#else
|
3033 |
cirrus_mmio_writeb(opaque, addr, val & 0xff);
|
3034 |
cirrus_mmio_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
3035 |
#endif
|
3036 |
} |
3037 |
|
3038 |
static void cirrus_mmio_writel(void *opaque, target_phys_addr_t addr, |
3039 |
uint32_t val) |
3040 |
{ |
3041 |
#ifdef TARGET_WORDS_BIGENDIAN
|
3042 |
cirrus_mmio_writeb(opaque, addr, (val >> 24) & 0xff); |
3043 |
cirrus_mmio_writeb(opaque, addr + 1, (val >> 16) & 0xff); |
3044 |
cirrus_mmio_writeb(opaque, addr + 2, (val >> 8) & 0xff); |
3045 |
cirrus_mmio_writeb(opaque, addr + 3, val & 0xff); |
3046 |
#else
|
3047 |
cirrus_mmio_writeb(opaque, addr, val & 0xff);
|
3048 |
cirrus_mmio_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
3049 |
cirrus_mmio_writeb(opaque, addr + 2, (val >> 16) & 0xff); |
3050 |
cirrus_mmio_writeb(opaque, addr + 3, (val >> 24) & 0xff); |
3051 |
#endif
|
3052 |
} |
3053 |
|
3054 |
|
3055 |
static CPUReadMemoryFunc *cirrus_mmio_read[3] = { |
3056 |
cirrus_mmio_readb, |
3057 |
cirrus_mmio_readw, |
3058 |
cirrus_mmio_readl, |
3059 |
}; |
3060 |
|
3061 |
static CPUWriteMemoryFunc *cirrus_mmio_write[3] = { |
3062 |
cirrus_mmio_writeb, |
3063 |
cirrus_mmio_writew, |
3064 |
cirrus_mmio_writel, |
3065 |
}; |
3066 |
|
3067 |
/* load/save state */
|
3068 |
|
3069 |
static void cirrus_vga_save(QEMUFile *f, void *opaque) |
3070 |
{ |
3071 |
CirrusVGAState *s = opaque; |
3072 |
|
3073 |
if (s->pci_dev)
|
3074 |
pci_device_save(s->pci_dev, f); |
3075 |
|
3076 |
qemu_put_be32s(f, &s->latch); |
3077 |
qemu_put_8s(f, &s->sr_index); |
3078 |
qemu_put_buffer(f, s->sr, 256);
|
3079 |
qemu_put_8s(f, &s->gr_index); |
3080 |
qemu_put_8s(f, &s->cirrus_shadow_gr0); |
3081 |
qemu_put_8s(f, &s->cirrus_shadow_gr1); |
3082 |
qemu_put_buffer(f, s->gr + 2, 254); |
3083 |
qemu_put_8s(f, &s->ar_index); |
3084 |
qemu_put_buffer(f, s->ar, 21);
|
3085 |
qemu_put_be32(f, s->ar_flip_flop); |
3086 |
qemu_put_8s(f, &s->cr_index); |
3087 |
qemu_put_buffer(f, s->cr, 256);
|
3088 |
qemu_put_8s(f, &s->msr); |
3089 |
qemu_put_8s(f, &s->fcr); |
3090 |
qemu_put_8s(f, &s->st00); |
3091 |
qemu_put_8s(f, &s->st01); |
3092 |
|
3093 |
qemu_put_8s(f, &s->dac_state); |
3094 |
qemu_put_8s(f, &s->dac_sub_index); |
3095 |
qemu_put_8s(f, &s->dac_read_index); |
3096 |
qemu_put_8s(f, &s->dac_write_index); |
3097 |
qemu_put_buffer(f, s->dac_cache, 3);
|
3098 |
qemu_put_buffer(f, s->palette, 768);
|
3099 |
|
3100 |
qemu_put_be32(f, s->bank_offset); |
3101 |
|
3102 |
qemu_put_8s(f, &s->cirrus_hidden_dac_lockindex); |
3103 |
qemu_put_8s(f, &s->cirrus_hidden_dac_data); |
3104 |
|
3105 |
qemu_put_be32s(f, &s->hw_cursor_x); |
3106 |
qemu_put_be32s(f, &s->hw_cursor_y); |
3107 |
/* XXX: we do not save the bitblt state - we assume we do not save
|
3108 |
the state when the blitter is active */
|
3109 |
} |
3110 |
|
3111 |
static int cirrus_vga_load(QEMUFile *f, void *opaque, int version_id) |
3112 |
{ |
3113 |
CirrusVGAState *s = opaque; |
3114 |
int ret;
|
3115 |
|
3116 |
if (version_id > 2) |
3117 |
return -EINVAL;
|
3118 |
|
3119 |
if (s->pci_dev && version_id >= 2) { |
3120 |
ret = pci_device_load(s->pci_dev, f); |
3121 |
if (ret < 0) |
3122 |
return ret;
|
3123 |
} |
3124 |
|
3125 |
qemu_get_be32s(f, &s->latch); |
3126 |
qemu_get_8s(f, &s->sr_index); |
3127 |
qemu_get_buffer(f, s->sr, 256);
|
3128 |
qemu_get_8s(f, &s->gr_index); |
3129 |
qemu_get_8s(f, &s->cirrus_shadow_gr0); |
3130 |
qemu_get_8s(f, &s->cirrus_shadow_gr1); |
3131 |
s->gr[0x00] = s->cirrus_shadow_gr0 & 0x0f; |
3132 |
s->gr[0x01] = s->cirrus_shadow_gr1 & 0x0f; |
3133 |
qemu_get_buffer(f, s->gr + 2, 254); |
3134 |
qemu_get_8s(f, &s->ar_index); |
3135 |
qemu_get_buffer(f, s->ar, 21);
|
3136 |
s->ar_flip_flop=qemu_get_be32(f); |
3137 |
qemu_get_8s(f, &s->cr_index); |
3138 |
qemu_get_buffer(f, s->cr, 256);
|
3139 |
qemu_get_8s(f, &s->msr); |
3140 |
qemu_get_8s(f, &s->fcr); |
3141 |
qemu_get_8s(f, &s->st00); |
3142 |
qemu_get_8s(f, &s->st01); |
3143 |
|
3144 |
qemu_get_8s(f, &s->dac_state); |
3145 |
qemu_get_8s(f, &s->dac_sub_index); |
3146 |
qemu_get_8s(f, &s->dac_read_index); |
3147 |
qemu_get_8s(f, &s->dac_write_index); |
3148 |
qemu_get_buffer(f, s->dac_cache, 3);
|
3149 |
qemu_get_buffer(f, s->palette, 768);
|
3150 |
|
3151 |
s->bank_offset=qemu_get_be32(f); |
3152 |
|
3153 |
qemu_get_8s(f, &s->cirrus_hidden_dac_lockindex); |
3154 |
qemu_get_8s(f, &s->cirrus_hidden_dac_data); |
3155 |
|
3156 |
qemu_get_be32s(f, &s->hw_cursor_x); |
3157 |
qemu_get_be32s(f, &s->hw_cursor_y); |
3158 |
|
3159 |
cirrus_update_memory_access(s); |
3160 |
/* force refresh */
|
3161 |
s->graphic_mode = -1;
|
3162 |
cirrus_update_bank_ptr(s, 0);
|
3163 |
cirrus_update_bank_ptr(s, 1);
|
3164 |
return 0; |
3165 |
} |
3166 |
|
3167 |
/***************************************
|
3168 |
*
|
3169 |
* initialize
|
3170 |
*
|
3171 |
***************************************/
|
3172 |
|
3173 |
static void cirrus_reset(void *opaque) |
3174 |
{ |
3175 |
CirrusVGAState *s = opaque; |
3176 |
|
3177 |
vga_reset(s); |
3178 |
unmap_linear_vram(s); |
3179 |
s->sr[0x06] = 0x0f; |
3180 |
if (s->device_id == CIRRUS_ID_CLGD5446) {
|
3181 |
/* 4MB 64 bit memory config, always PCI */
|
3182 |
s->sr[0x1F] = 0x2d; // MemClock |
3183 |
s->gr[0x18] = 0x0f; // fastest memory configuration |
3184 |
s->sr[0x0f] = 0x98; |
3185 |
s->sr[0x17] = 0x20; |
3186 |
s->sr[0x15] = 0x04; /* memory size, 3=2MB, 4=4MB */ |
3187 |
} else {
|
3188 |
s->sr[0x1F] = 0x22; // MemClock |
3189 |
s->sr[0x0F] = CIRRUS_MEMSIZE_2M;
|
3190 |
s->sr[0x17] = s->bustype;
|
3191 |
s->sr[0x15] = 0x03; /* memory size, 3=2MB, 4=4MB */ |
3192 |
} |
3193 |
s->cr[0x27] = s->device_id;
|
3194 |
|
3195 |
/* Win2K seems to assume that the pattern buffer is at 0xff
|
3196 |
initially ! */
|
3197 |
memset(s->vram_ptr, 0xff, s->real_vram_size);
|
3198 |
|
3199 |
s->cirrus_hidden_dac_lockindex = 5;
|
3200 |
s->cirrus_hidden_dac_data = 0;
|
3201 |
} |
3202 |
|
3203 |
static void cirrus_init_common(CirrusVGAState * s, int device_id, int is_pci) |
3204 |
{ |
3205 |
int i;
|
3206 |
static int inited; |
3207 |
|
3208 |
if (!inited) {
|
3209 |
inited = 1;
|
3210 |
for(i = 0;i < 256; i++) |
3211 |
rop_to_index[i] = CIRRUS_ROP_NOP_INDEX; /* nop rop */
|
3212 |
rop_to_index[CIRRUS_ROP_0] = 0;
|
3213 |
rop_to_index[CIRRUS_ROP_SRC_AND_DST] = 1;
|
3214 |
rop_to_index[CIRRUS_ROP_NOP] = 2;
|
3215 |
rop_to_index[CIRRUS_ROP_SRC_AND_NOTDST] = 3;
|
3216 |
rop_to_index[CIRRUS_ROP_NOTDST] = 4;
|
3217 |
rop_to_index[CIRRUS_ROP_SRC] = 5;
|
3218 |
rop_to_index[CIRRUS_ROP_1] = 6;
|
3219 |
rop_to_index[CIRRUS_ROP_NOTSRC_AND_DST] = 7;
|
3220 |
rop_to_index[CIRRUS_ROP_SRC_XOR_DST] = 8;
|
3221 |
rop_to_index[CIRRUS_ROP_SRC_OR_DST] = 9;
|
3222 |
rop_to_index[CIRRUS_ROP_NOTSRC_OR_NOTDST] = 10;
|
3223 |
rop_to_index[CIRRUS_ROP_SRC_NOTXOR_DST] = 11;
|
3224 |
rop_to_index[CIRRUS_ROP_SRC_OR_NOTDST] = 12;
|
3225 |
rop_to_index[CIRRUS_ROP_NOTSRC] = 13;
|
3226 |
rop_to_index[CIRRUS_ROP_NOTSRC_OR_DST] = 14;
|
3227 |
rop_to_index[CIRRUS_ROP_NOTSRC_AND_NOTDST] = 15;
|
3228 |
s->device_id = device_id; |
3229 |
if (is_pci)
|
3230 |
s->bustype = CIRRUS_BUSTYPE_PCI; |
3231 |
else
|
3232 |
s->bustype = CIRRUS_BUSTYPE_ISA; |
3233 |
} |
3234 |
|
3235 |
register_ioport_write(0x3c0, 16, 1, vga_ioport_write, s); |
3236 |
|
3237 |
register_ioport_write(0x3b4, 2, 1, vga_ioport_write, s); |
3238 |
register_ioport_write(0x3d4, 2, 1, vga_ioport_write, s); |
3239 |
register_ioport_write(0x3ba, 1, 1, vga_ioport_write, s); |
3240 |
register_ioport_write(0x3da, 1, 1, vga_ioport_write, s); |
3241 |
|
3242 |
register_ioport_read(0x3c0, 16, 1, vga_ioport_read, s); |
3243 |
|
3244 |
register_ioport_read(0x3b4, 2, 1, vga_ioport_read, s); |
3245 |
register_ioport_read(0x3d4, 2, 1, vga_ioport_read, s); |
3246 |
register_ioport_read(0x3ba, 1, 1, vga_ioport_read, s); |
3247 |
register_ioport_read(0x3da, 1, 1, vga_ioport_read, s); |
3248 |
|
3249 |
s->vga_io_memory = cpu_register_io_memory(0, cirrus_vga_mem_read,
|
3250 |
cirrus_vga_mem_write, s); |
3251 |
cpu_register_physical_memory(isa_mem_base + 0x000a0000, 0x20000, |
3252 |
s->vga_io_memory); |
3253 |
qemu_register_coalesced_mmio(isa_mem_base + 0x000a0000, 0x20000); |
3254 |
|
3255 |
/* I/O handler for LFB */
|
3256 |
s->cirrus_linear_io_addr = |
3257 |
cpu_register_io_memory(0, cirrus_linear_read, cirrus_linear_write, s);
|
3258 |
s->cirrus_linear_write = cpu_get_io_memory_write(s->cirrus_linear_io_addr); |
3259 |
|
3260 |
/* I/O handler for LFB */
|
3261 |
s->cirrus_linear_bitblt_io_addr = |
3262 |
cpu_register_io_memory(0, cirrus_linear_bitblt_read,
|
3263 |
cirrus_linear_bitblt_write, s); |
3264 |
|
3265 |
/* I/O handler for memory-mapped I/O */
|
3266 |
s->cirrus_mmio_io_addr = |
3267 |
cpu_register_io_memory(0, cirrus_mmio_read, cirrus_mmio_write, s);
|
3268 |
|
3269 |
s->real_vram_size = |
3270 |
(s->device_id == CIRRUS_ID_CLGD5446) ? 4096 * 1024 : 2048 * 1024; |
3271 |
|
3272 |
/* XXX: s->vram_size must be a power of two */
|
3273 |
s->cirrus_addr_mask = s->real_vram_size - 1;
|
3274 |
s->linear_mmio_mask = s->real_vram_size - 256;
|
3275 |
|
3276 |
s->get_bpp = cirrus_get_bpp; |
3277 |
s->get_offsets = cirrus_get_offsets; |
3278 |
s->get_resolution = cirrus_get_resolution; |
3279 |
s->cursor_invalidate = cirrus_cursor_invalidate; |
3280 |
s->cursor_draw_line = cirrus_cursor_draw_line; |
3281 |
|
3282 |
qemu_register_reset(cirrus_reset, s); |
3283 |
cirrus_reset(s); |
3284 |
register_savevm("cirrus_vga", 0, 2, cirrus_vga_save, cirrus_vga_load, s); |
3285 |
} |
3286 |
|
3287 |
/***************************************
|
3288 |
*
|
3289 |
* ISA bus support
|
3290 |
*
|
3291 |
***************************************/
|
3292 |
|
3293 |
void isa_cirrus_vga_init(uint8_t *vga_ram_base,
|
3294 |
ram_addr_t vga_ram_offset, int vga_ram_size)
|
3295 |
{ |
3296 |
CirrusVGAState *s; |
3297 |
|
3298 |
s = qemu_mallocz(sizeof(CirrusVGAState));
|
3299 |
|
3300 |
vga_common_init((VGAState *)s, |
3301 |
vga_ram_base, vga_ram_offset, vga_ram_size); |
3302 |
cirrus_init_common(s, CIRRUS_ID_CLGD5430, 0);
|
3303 |
s->ds = graphic_console_init(s->update, s->invalidate, |
3304 |
s->screen_dump, s->text_update, s); |
3305 |
/* XXX ISA-LFB support */
|
3306 |
} |
3307 |
|
3308 |
/***************************************
|
3309 |
*
|
3310 |
* PCI bus support
|
3311 |
*
|
3312 |
***************************************/
|
3313 |
|
3314 |
static void cirrus_pci_lfb_map(PCIDevice *d, int region_num, |
3315 |
uint32_t addr, uint32_t size, int type)
|
3316 |
{ |
3317 |
CirrusVGAState *s = &((PCICirrusVGAState *)d)->cirrus_vga; |
3318 |
|
3319 |
vga_dirty_log_stop((VGAState *)s); |
3320 |
|
3321 |
/* XXX: add byte swapping apertures */
|
3322 |
cpu_register_physical_memory(addr, s->vram_size, |
3323 |
s->cirrus_linear_io_addr); |
3324 |
cpu_register_physical_memory(addr + 0x1000000, 0x400000, |
3325 |
s->cirrus_linear_bitblt_io_addr); |
3326 |
|
3327 |
s->map_addr = s->map_end = 0;
|
3328 |
s->lfb_addr = addr & TARGET_PAGE_MASK; |
3329 |
s->lfb_end = ((addr + VGA_RAM_SIZE) + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
|
3330 |
/* account for overflow */
|
3331 |
if (s->lfb_end < addr + VGA_RAM_SIZE)
|
3332 |
s->lfb_end = addr + VGA_RAM_SIZE; |
3333 |
|
3334 |
vga_dirty_log_start((VGAState *)s); |
3335 |
} |
3336 |
|
3337 |
static void cirrus_pci_mmio_map(PCIDevice *d, int region_num, |
3338 |
uint32_t addr, uint32_t size, int type)
|
3339 |
{ |
3340 |
CirrusVGAState *s = &((PCICirrusVGAState *)d)->cirrus_vga; |
3341 |
|
3342 |
cpu_register_physical_memory(addr, CIRRUS_PNPMMIO_SIZE, |
3343 |
s->cirrus_mmio_io_addr); |
3344 |
} |
3345 |
|
3346 |
static void pci_cirrus_write_config(PCIDevice *d, |
3347 |
uint32_t address, uint32_t val, int len)
|
3348 |
{ |
3349 |
PCICirrusVGAState *pvs = container_of(d, PCICirrusVGAState, dev); |
3350 |
CirrusVGAState *s = &pvs->cirrus_vga; |
3351 |
|
3352 |
vga_dirty_log_stop((VGAState *)s); |
3353 |
|
3354 |
pci_default_write_config(d, address, val, len); |
3355 |
if (s->map_addr && pvs->dev.io_regions[0].addr == -1) |
3356 |
s->map_addr = 0;
|
3357 |
cirrus_update_memory_access(s); |
3358 |
|
3359 |
vga_dirty_log_start((VGAState *)s); |
3360 |
} |
3361 |
|
3362 |
void pci_cirrus_vga_init(PCIBus *bus, uint8_t *vga_ram_base,
|
3363 |
ram_addr_t vga_ram_offset, int vga_ram_size)
|
3364 |
{ |
3365 |
PCICirrusVGAState *d; |
3366 |
uint8_t *pci_conf; |
3367 |
CirrusVGAState *s; |
3368 |
int device_id;
|
3369 |
|
3370 |
device_id = CIRRUS_ID_CLGD5446; |
3371 |
|
3372 |
/* setup PCI configuration registers */
|
3373 |
d = (PCICirrusVGAState *)pci_register_device(bus, "Cirrus VGA",
|
3374 |
sizeof(PCICirrusVGAState),
|
3375 |
-1, NULL, pci_cirrus_write_config); |
3376 |
pci_conf = d->dev.config; |
3377 |
pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_CIRRUS); |
3378 |
pci_config_set_device_id(pci_conf, device_id); |
3379 |
pci_conf[0x04] = PCI_COMMAND_IOACCESS | PCI_COMMAND_MEMACCESS;
|
3380 |
pci_config_set_class(pci_conf, PCI_CLASS_DISPLAY_VGA); |
3381 |
pci_conf[0x0e] = PCI_CLASS_HEADERTYPE_00h;
|
3382 |
|
3383 |
/* setup VGA */
|
3384 |
s = &d->cirrus_vga; |
3385 |
vga_common_init((VGAState *)s, |
3386 |
vga_ram_base, vga_ram_offset, vga_ram_size); |
3387 |
cirrus_init_common(s, device_id, 1);
|
3388 |
|
3389 |
s->ds = graphic_console_init(s->update, s->invalidate, |
3390 |
s->screen_dump, s->text_update, s); |
3391 |
|
3392 |
s->pci_dev = (PCIDevice *)d; |
3393 |
|
3394 |
/* setup memory space */
|
3395 |
/* memory #0 LFB */
|
3396 |
/* memory #1 memory-mapped I/O */
|
3397 |
/* XXX: s->vram_size must be a power of two */
|
3398 |
pci_register_io_region((PCIDevice *)d, 0, 0x2000000, |
3399 |
PCI_ADDRESS_SPACE_MEM_PREFETCH, cirrus_pci_lfb_map); |
3400 |
if (device_id == CIRRUS_ID_CLGD5446) {
|
3401 |
pci_register_io_region((PCIDevice *)d, 1, CIRRUS_PNPMMIO_SIZE,
|
3402 |
PCI_ADDRESS_SPACE_MEM, cirrus_pci_mmio_map); |
3403 |
} |
3404 |
/* XXX: ROM BIOS */
|
3405 |
} |