2 * QEMU Cirrus CLGD 54xx VGA Emulator.
4 * Copyright (c) 2004 Fabrice Bellard
5 * Copyright (c) 2004 Makoto Suzuki (suzu)
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:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
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
26 * Reference: Finn Thogersons' VGADOC4b
27 * available at http://home.worldonline.dk/~finth/
38 * - destination write mask support not complete (bits 5..7)
39 * - optimize linear mappings
40 * - optimize bitblt functions
43 //#define DEBUG_CIRRUS
44 //#define DEBUG_BITBLT
46 /***************************************
50 ***************************************/
53 #define CIRRUS_ID_CLGD5422 (0x23<<2)
54 #define CIRRUS_ID_CLGD5426 (0x24<<2)
55 #define CIRRUS_ID_CLGD5424 (0x25<<2)
56 #define CIRRUS_ID_CLGD5428 (0x26<<2)
57 #define CIRRUS_ID_CLGD5430 (0x28<<2)
58 #define CIRRUS_ID_CLGD5434 (0x2A<<2)
59 #define CIRRUS_ID_CLGD5436 (0x2B<<2)
60 #define CIRRUS_ID_CLGD5446 (0x2E<<2)
63 #define CIRRUS_SR7_BPP_VGA 0x00
64 #define CIRRUS_SR7_BPP_SVGA 0x01
65 #define CIRRUS_SR7_BPP_MASK 0x0e
66 #define CIRRUS_SR7_BPP_8 0x00
67 #define CIRRUS_SR7_BPP_16_DOUBLEVCLK 0x02
68 #define CIRRUS_SR7_BPP_24 0x04
69 #define CIRRUS_SR7_BPP_16 0x06
70 #define CIRRUS_SR7_BPP_32 0x08
71 #define CIRRUS_SR7_ISAADDR_MASK 0xe0
74 #define CIRRUS_MEMSIZE_512k 0x08
75 #define CIRRUS_MEMSIZE_1M 0x10
76 #define CIRRUS_MEMSIZE_2M 0x18
77 #define CIRRUS_MEMFLAGS_BANKSWITCH 0x80 // bank switching is enabled.
80 #define CIRRUS_CURSOR_SHOW 0x01
81 #define CIRRUS_CURSOR_HIDDENPEL 0x02
82 #define CIRRUS_CURSOR_LARGE 0x04 // 64x64 if set, 32x32 if clear
85 #define CIRRUS_BUSTYPE_VLBFAST 0x10
86 #define CIRRUS_BUSTYPE_PCI 0x20
87 #define CIRRUS_BUSTYPE_VLBSLOW 0x30
88 #define CIRRUS_BUSTYPE_ISA 0x38
89 #define CIRRUS_MMIO_ENABLE 0x04
90 #define CIRRUS_MMIO_USE_PCIADDR 0x40 // 0xb8000 if cleared.
91 #define CIRRUS_MEMSIZEEXT_DOUBLE 0x80
94 #define CIRRUS_BANKING_DUAL 0x01
95 #define CIRRUS_BANKING_GRANULARITY_16K 0x20 // set:16k, clear:4k
98 #define CIRRUS_BLTMODE_BACKWARDS 0x01
99 #define CIRRUS_BLTMODE_MEMSYSDEST 0x02
100 #define CIRRUS_BLTMODE_MEMSYSSRC 0x04
101 #define CIRRUS_BLTMODE_TRANSPARENTCOMP 0x08
102 #define CIRRUS_BLTMODE_PATTERNCOPY 0x40
103 #define CIRRUS_BLTMODE_COLOREXPAND 0x80
104 #define CIRRUS_BLTMODE_PIXELWIDTHMASK 0x30
105 #define CIRRUS_BLTMODE_PIXELWIDTH8 0x00
106 #define CIRRUS_BLTMODE_PIXELWIDTH16 0x10
107 #define CIRRUS_BLTMODE_PIXELWIDTH24 0x20
108 #define CIRRUS_BLTMODE_PIXELWIDTH32 0x30
111 #define CIRRUS_BLT_BUSY 0x01
112 #define CIRRUS_BLT_START 0x02
113 #define CIRRUS_BLT_RESET 0x04
114 #define CIRRUS_BLT_FIFOUSED 0x10
115 #define CIRRUS_BLT_AUTOSTART 0x80
118 #define CIRRUS_ROP_0 0x00
119 #define CIRRUS_ROP_SRC_AND_DST 0x05
120 #define CIRRUS_ROP_NOP 0x06
121 #define CIRRUS_ROP_SRC_AND_NOTDST 0x09
122 #define CIRRUS_ROP_NOTDST 0x0b
123 #define CIRRUS_ROP_SRC 0x0d
124 #define CIRRUS_ROP_1 0x0e
125 #define CIRRUS_ROP_NOTSRC_AND_DST 0x50
126 #define CIRRUS_ROP_SRC_XOR_DST 0x59
127 #define CIRRUS_ROP_SRC_OR_DST 0x6d
128 #define CIRRUS_ROP_NOTSRC_OR_NOTDST 0x90
129 #define CIRRUS_ROP_SRC_NOTXOR_DST 0x95
130 #define CIRRUS_ROP_SRC_OR_NOTDST 0xad
131 #define CIRRUS_ROP_NOTSRC 0xd0
132 #define CIRRUS_ROP_NOTSRC_OR_DST 0xd6
133 #define CIRRUS_ROP_NOTSRC_AND_NOTDST 0xda
135 #define CIRRUS_ROP_NOP_INDEX 2
136 #define CIRRUS_ROP_SRC_INDEX 5
139 #define CIRRUS_BLTMODEEXT_SOLIDFILL 0x04
140 #define CIRRUS_BLTMODEEXT_COLOREXPINV 0x02
141 #define CIRRUS_BLTMODEEXT_DWORDGRANULARITY 0x01
144 #define CIRRUS_MMIO_BLTBGCOLOR 0x00 // dword
145 #define CIRRUS_MMIO_BLTFGCOLOR 0x04 // dword
146 #define CIRRUS_MMIO_BLTWIDTH 0x08 // word
147 #define CIRRUS_MMIO_BLTHEIGHT 0x0a // word
148 #define CIRRUS_MMIO_BLTDESTPITCH 0x0c // word
149 #define CIRRUS_MMIO_BLTSRCPITCH 0x0e // word
150 #define CIRRUS_MMIO_BLTDESTADDR 0x10 // dword
151 #define CIRRUS_MMIO_BLTSRCADDR 0x14 // dword
152 #define CIRRUS_MMIO_BLTWRITEMASK 0x17 // byte
153 #define CIRRUS_MMIO_BLTMODE 0x18 // byte
154 #define CIRRUS_MMIO_BLTROP 0x1a // byte
155 #define CIRRUS_MMIO_BLTMODEEXT 0x1b // byte
156 #define CIRRUS_MMIO_BLTTRANSPARENTCOLOR 0x1c // word?
157 #define CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK 0x20 // word?
158 #define CIRRUS_MMIO_LINEARDRAW_START_X 0x24 // word
159 #define CIRRUS_MMIO_LINEARDRAW_START_Y 0x26 // word
160 #define CIRRUS_MMIO_LINEARDRAW_END_X 0x28 // word
161 #define CIRRUS_MMIO_LINEARDRAW_END_Y 0x2a // word
162 #define CIRRUS_MMIO_LINEARDRAW_LINESTYLE_INC 0x2c // byte
163 #define CIRRUS_MMIO_LINEARDRAW_LINESTYLE_ROLLOVER 0x2d // byte
164 #define CIRRUS_MMIO_LINEARDRAW_LINESTYLE_MASK 0x2e // byte
165 #define CIRRUS_MMIO_LINEARDRAW_LINESTYLE_ACCUM 0x2f // byte
166 #define CIRRUS_MMIO_BRESENHAM_K1 0x30 // word
167 #define CIRRUS_MMIO_BRESENHAM_K3 0x32 // word
168 #define CIRRUS_MMIO_BRESENHAM_ERROR 0x34 // word
169 #define CIRRUS_MMIO_BRESENHAM_DELTA_MAJOR 0x36 // word
170 #define CIRRUS_MMIO_BRESENHAM_DIRECTION 0x38 // byte
171 #define CIRRUS_MMIO_LINEDRAW_MODE 0x39 // byte
172 #define CIRRUS_MMIO_BLTSTATUS 0x40 // byte
174 // PCI 0x04: command(word), 0x06(word): status
175 #define PCI_COMMAND_IOACCESS 0x0001
176 #define PCI_COMMAND_MEMACCESS 0x0002
177 #define PCI_COMMAND_BUSMASTER 0x0004
178 #define PCI_COMMAND_SPECIALCYCLE 0x0008
179 #define PCI_COMMAND_MEMWRITEINVALID 0x0010
180 #define PCI_COMMAND_PALETTESNOOPING 0x0020
181 #define PCI_COMMAND_PARITYDETECTION 0x0040
182 #define PCI_COMMAND_ADDRESSDATASTEPPING 0x0080
183 #define PCI_COMMAND_SERR 0x0100
184 #define PCI_COMMAND_BACKTOBACKTRANS 0x0200
185 // PCI 0x08, 0xff000000 (0x09-0x0b:class,0x08:rev)
186 #define PCI_CLASS_BASE_DISPLAY 0x03
187 // PCI 0x08, 0x00ff0000
188 #define PCI_CLASS_SUB_VGA 0x00
189 // PCI 0x0c, 0x00ff0000 (0x0c:cacheline,0x0d:latency,0x0e:headertype,0x0f:Built-in self test)
190 #define PCI_CLASS_HEADERTYPE_00h 0x00
191 // 0x10-0x3f (headertype 00h)
192 // PCI 0x10,0x14,0x18,0x1c,0x20,0x24: base address mapping registers
193 // 0x10: MEMBASE, 0x14: IOBASE(hard-coded in XFree86 3.x)
194 #define PCI_MAP_MEM 0x0
195 #define PCI_MAP_IO 0x1
196 #define PCI_MAP_MEM_ADDR_MASK (~0xf)
197 #define PCI_MAP_IO_ADDR_MASK (~0x3)
198 #define PCI_MAP_MEMFLAGS_32BIT 0x0
199 #define PCI_MAP_MEMFLAGS_32BIT_1M 0x1
200 #define PCI_MAP_MEMFLAGS_64BIT 0x4
201 #define PCI_MAP_MEMFLAGS_CACHEABLE 0x8
202 // PCI 0x28: cardbus CIS pointer
203 // PCI 0x2c: subsystem vendor id, 0x2e: subsystem id
204 // PCI 0x30: expansion ROM base address
205 #define PCI_ROMBIOS_ENABLED 0x1
206 // PCI 0x34: 0xffffff00=reserved, 0x000000ff=capabilities pointer
207 // PCI 0x38: reserved
208 // PCI 0x3c: 0x3c=int-line, 0x3d=int-pin, 0x3e=min-gnt, 0x3f=maax-lat
210 #define CIRRUS_PNPMMIO_SIZE 0x1000
213 /* I/O and memory hook */
214 #define CIRRUS_HOOK_NOT_HANDLED 0
215 #define CIRRUS_HOOK_HANDLED 1
217 #define ABS(a) ((signed)(a) > 0 ? a : -a)
219 #define BLTUNSAFE(s) \
221 ( /* check dst is within bounds */ \
222 (s)->cirrus_blt_height * ABS((s)->cirrus_blt_dstpitch) \
223 + ((s)->cirrus_blt_dstaddr & (s)->cirrus_addr_mask) > \
226 ( /* check src is within bounds */ \
227 (s)->cirrus_blt_height * ABS((s)->cirrus_blt_srcpitch) \
228 + ((s)->cirrus_blt_srcaddr & (s)->cirrus_addr_mask) > \
233 struct CirrusVGAState;
234 typedef void (*cirrus_bitblt_rop_t) (struct CirrusVGAState *s,
235 uint8_t * dst, const uint8_t * src,
236 int dstpitch, int srcpitch,
237 int bltwidth, int bltheight);
238 typedef void (*cirrus_fill_t)(struct CirrusVGAState *s,
239 uint8_t *dst, int dst_pitch, int width, int height);
241 typedef struct CirrusVGAState {
244 int cirrus_linear_io_addr;
245 int cirrus_linear_bitblt_io_addr;
246 int cirrus_mmio_io_addr;
247 uint32_t cirrus_addr_mask;
248 uint32_t linear_mmio_mask;
249 uint8_t cirrus_shadow_gr0;
250 uint8_t cirrus_shadow_gr1;
251 uint8_t cirrus_hidden_dac_lockindex;
252 uint8_t cirrus_hidden_dac_data;
253 uint32_t cirrus_bank_base[2];
254 uint32_t cirrus_bank_limit[2];
255 uint8_t cirrus_hidden_palette[48];
256 uint32_t hw_cursor_x;
257 uint32_t hw_cursor_y;
258 int cirrus_blt_pixelwidth;
259 int cirrus_blt_width;
260 int cirrus_blt_height;
261 int cirrus_blt_dstpitch;
262 int cirrus_blt_srcpitch;
263 uint32_t cirrus_blt_fgcol;
264 uint32_t cirrus_blt_bgcol;
265 uint32_t cirrus_blt_dstaddr;
266 uint32_t cirrus_blt_srcaddr;
267 uint8_t cirrus_blt_mode;
268 uint8_t cirrus_blt_modeext;
269 cirrus_bitblt_rop_t cirrus_rop;
270 #define CIRRUS_BLTBUFSIZE (2048 * 4) /* one line width */
271 uint8_t cirrus_bltbuf[CIRRUS_BLTBUFSIZE];
272 uint8_t *cirrus_srcptr;
273 uint8_t *cirrus_srcptr_end;
274 uint32_t cirrus_srccounter;
275 /* hwcursor display state */
276 int last_hw_cursor_size;
277 int last_hw_cursor_x;
278 int last_hw_cursor_y;
279 int last_hw_cursor_y_start;
280 int last_hw_cursor_y_end;
281 int real_vram_size; /* XXX: suppress that */
282 CPUWriteMemoryFunc **cirrus_linear_write;
287 typedef struct PCICirrusVGAState {
289 CirrusVGAState cirrus_vga;
292 static uint8_t rop_to_index[256];
294 /***************************************
298 ***************************************/
301 static void cirrus_bitblt_reset(CirrusVGAState *s);
302 static void cirrus_update_memory_access(CirrusVGAState *s);
304 /***************************************
308 ***************************************/
310 static void cirrus_bitblt_rop_nop(CirrusVGAState *s,
311 uint8_t *dst,const uint8_t *src,
312 int dstpitch,int srcpitch,
313 int bltwidth,int bltheight)
317 static void cirrus_bitblt_fill_nop(CirrusVGAState *s,
319 int dstpitch, int bltwidth,int bltheight)
324 #define ROP_OP(d, s) d = 0
325 #include "cirrus_vga_rop.h"
327 #define ROP_NAME src_and_dst
328 #define ROP_OP(d, s) d = (s) & (d)
329 #include "cirrus_vga_rop.h"
331 #define ROP_NAME src_and_notdst
332 #define ROP_OP(d, s) d = (s) & (~(d))
333 #include "cirrus_vga_rop.h"
335 #define ROP_NAME notdst
336 #define ROP_OP(d, s) d = ~(d)
337 #include "cirrus_vga_rop.h"
340 #define ROP_OP(d, s) d = s
341 #include "cirrus_vga_rop.h"
344 #define ROP_OP(d, s) d = ~0
345 #include "cirrus_vga_rop.h"
347 #define ROP_NAME notsrc_and_dst
348 #define ROP_OP(d, s) d = (~(s)) & (d)
349 #include "cirrus_vga_rop.h"
351 #define ROP_NAME src_xor_dst
352 #define ROP_OP(d, s) d = (s) ^ (d)
353 #include "cirrus_vga_rop.h"
355 #define ROP_NAME src_or_dst
356 #define ROP_OP(d, s) d = (s) | (d)
357 #include "cirrus_vga_rop.h"
359 #define ROP_NAME notsrc_or_notdst
360 #define ROP_OP(d, s) d = (~(s)) | (~(d))
361 #include "cirrus_vga_rop.h"
363 #define ROP_NAME src_notxor_dst
364 #define ROP_OP(d, s) d = ~((s) ^ (d))
365 #include "cirrus_vga_rop.h"
367 #define ROP_NAME src_or_notdst
368 #define ROP_OP(d, s) d = (s) | (~(d))
369 #include "cirrus_vga_rop.h"
371 #define ROP_NAME notsrc
372 #define ROP_OP(d, s) d = (~(s))
373 #include "cirrus_vga_rop.h"
375 #define ROP_NAME notsrc_or_dst
376 #define ROP_OP(d, s) d = (~(s)) | (d)
377 #include "cirrus_vga_rop.h"
379 #define ROP_NAME notsrc_and_notdst
380 #define ROP_OP(d, s) d = (~(s)) & (~(d))
381 #include "cirrus_vga_rop.h"
383 static const cirrus_bitblt_rop_t cirrus_fwd_rop[16] = {
384 cirrus_bitblt_rop_fwd_0,
385 cirrus_bitblt_rop_fwd_src_and_dst,
386 cirrus_bitblt_rop_nop,
387 cirrus_bitblt_rop_fwd_src_and_notdst,
388 cirrus_bitblt_rop_fwd_notdst,
389 cirrus_bitblt_rop_fwd_src,
390 cirrus_bitblt_rop_fwd_1,
391 cirrus_bitblt_rop_fwd_notsrc_and_dst,
392 cirrus_bitblt_rop_fwd_src_xor_dst,
393 cirrus_bitblt_rop_fwd_src_or_dst,
394 cirrus_bitblt_rop_fwd_notsrc_or_notdst,
395 cirrus_bitblt_rop_fwd_src_notxor_dst,
396 cirrus_bitblt_rop_fwd_src_or_notdst,
397 cirrus_bitblt_rop_fwd_notsrc,
398 cirrus_bitblt_rop_fwd_notsrc_or_dst,
399 cirrus_bitblt_rop_fwd_notsrc_and_notdst,
402 static const cirrus_bitblt_rop_t cirrus_bkwd_rop[16] = {
403 cirrus_bitblt_rop_bkwd_0,
404 cirrus_bitblt_rop_bkwd_src_and_dst,
405 cirrus_bitblt_rop_nop,
406 cirrus_bitblt_rop_bkwd_src_and_notdst,
407 cirrus_bitblt_rop_bkwd_notdst,
408 cirrus_bitblt_rop_bkwd_src,
409 cirrus_bitblt_rop_bkwd_1,
410 cirrus_bitblt_rop_bkwd_notsrc_and_dst,
411 cirrus_bitblt_rop_bkwd_src_xor_dst,
412 cirrus_bitblt_rop_bkwd_src_or_dst,
413 cirrus_bitblt_rop_bkwd_notsrc_or_notdst,
414 cirrus_bitblt_rop_bkwd_src_notxor_dst,
415 cirrus_bitblt_rop_bkwd_src_or_notdst,
416 cirrus_bitblt_rop_bkwd_notsrc,
417 cirrus_bitblt_rop_bkwd_notsrc_or_dst,
418 cirrus_bitblt_rop_bkwd_notsrc_and_notdst,
421 #define TRANSP_ROP(name) {\
425 #define TRANSP_NOP(func) {\
430 static const cirrus_bitblt_rop_t cirrus_fwd_transp_rop[16][2] = {
431 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_0),
432 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_and_dst),
433 TRANSP_NOP(cirrus_bitblt_rop_nop),
434 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_and_notdst),
435 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notdst),
436 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src),
437 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_1),
438 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_and_dst),
439 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_xor_dst),
440 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_or_dst),
441 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_or_notdst),
442 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_notxor_dst),
443 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_or_notdst),
444 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc),
445 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_or_dst),
446 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_and_notdst),
449 static const cirrus_bitblt_rop_t cirrus_bkwd_transp_rop[16][2] = {
450 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_0),
451 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_and_dst),
452 TRANSP_NOP(cirrus_bitblt_rop_nop),
453 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_and_notdst),
454 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notdst),
455 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src),
456 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_1),
457 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_and_dst),
458 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_xor_dst),
459 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_or_dst),
460 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_or_notdst),
461 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_notxor_dst),
462 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_or_notdst),
463 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc),
464 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_or_dst),
465 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_and_notdst),
468 #define ROP2(name) {\
475 #define ROP_NOP2(func) {\
482 static const cirrus_bitblt_rop_t cirrus_patternfill[16][4] = {
483 ROP2(cirrus_patternfill_0),
484 ROP2(cirrus_patternfill_src_and_dst),
485 ROP_NOP2(cirrus_bitblt_rop_nop),
486 ROP2(cirrus_patternfill_src_and_notdst),
487 ROP2(cirrus_patternfill_notdst),
488 ROP2(cirrus_patternfill_src),
489 ROP2(cirrus_patternfill_1),
490 ROP2(cirrus_patternfill_notsrc_and_dst),
491 ROP2(cirrus_patternfill_src_xor_dst),
492 ROP2(cirrus_patternfill_src_or_dst),
493 ROP2(cirrus_patternfill_notsrc_or_notdst),
494 ROP2(cirrus_patternfill_src_notxor_dst),
495 ROP2(cirrus_patternfill_src_or_notdst),
496 ROP2(cirrus_patternfill_notsrc),
497 ROP2(cirrus_patternfill_notsrc_or_dst),
498 ROP2(cirrus_patternfill_notsrc_and_notdst),
501 static const cirrus_bitblt_rop_t cirrus_colorexpand_transp[16][4] = {
502 ROP2(cirrus_colorexpand_transp_0),
503 ROP2(cirrus_colorexpand_transp_src_and_dst),
504 ROP_NOP2(cirrus_bitblt_rop_nop),
505 ROP2(cirrus_colorexpand_transp_src_and_notdst),
506 ROP2(cirrus_colorexpand_transp_notdst),
507 ROP2(cirrus_colorexpand_transp_src),
508 ROP2(cirrus_colorexpand_transp_1),
509 ROP2(cirrus_colorexpand_transp_notsrc_and_dst),
510 ROP2(cirrus_colorexpand_transp_src_xor_dst),
511 ROP2(cirrus_colorexpand_transp_src_or_dst),
512 ROP2(cirrus_colorexpand_transp_notsrc_or_notdst),
513 ROP2(cirrus_colorexpand_transp_src_notxor_dst),
514 ROP2(cirrus_colorexpand_transp_src_or_notdst),
515 ROP2(cirrus_colorexpand_transp_notsrc),
516 ROP2(cirrus_colorexpand_transp_notsrc_or_dst),
517 ROP2(cirrus_colorexpand_transp_notsrc_and_notdst),
520 static const cirrus_bitblt_rop_t cirrus_colorexpand[16][4] = {
521 ROP2(cirrus_colorexpand_0),
522 ROP2(cirrus_colorexpand_src_and_dst),
523 ROP_NOP2(cirrus_bitblt_rop_nop),
524 ROP2(cirrus_colorexpand_src_and_notdst),
525 ROP2(cirrus_colorexpand_notdst),
526 ROP2(cirrus_colorexpand_src),
527 ROP2(cirrus_colorexpand_1),
528 ROP2(cirrus_colorexpand_notsrc_and_dst),
529 ROP2(cirrus_colorexpand_src_xor_dst),
530 ROP2(cirrus_colorexpand_src_or_dst),
531 ROP2(cirrus_colorexpand_notsrc_or_notdst),
532 ROP2(cirrus_colorexpand_src_notxor_dst),
533 ROP2(cirrus_colorexpand_src_or_notdst),
534 ROP2(cirrus_colorexpand_notsrc),
535 ROP2(cirrus_colorexpand_notsrc_or_dst),
536 ROP2(cirrus_colorexpand_notsrc_and_notdst),
539 static const cirrus_bitblt_rop_t cirrus_colorexpand_pattern_transp[16][4] = {
540 ROP2(cirrus_colorexpand_pattern_transp_0),
541 ROP2(cirrus_colorexpand_pattern_transp_src_and_dst),
542 ROP_NOP2(cirrus_bitblt_rop_nop),
543 ROP2(cirrus_colorexpand_pattern_transp_src_and_notdst),
544 ROP2(cirrus_colorexpand_pattern_transp_notdst),
545 ROP2(cirrus_colorexpand_pattern_transp_src),
546 ROP2(cirrus_colorexpand_pattern_transp_1),
547 ROP2(cirrus_colorexpand_pattern_transp_notsrc_and_dst),
548 ROP2(cirrus_colorexpand_pattern_transp_src_xor_dst),
549 ROP2(cirrus_colorexpand_pattern_transp_src_or_dst),
550 ROP2(cirrus_colorexpand_pattern_transp_notsrc_or_notdst),
551 ROP2(cirrus_colorexpand_pattern_transp_src_notxor_dst),
552 ROP2(cirrus_colorexpand_pattern_transp_src_or_notdst),
553 ROP2(cirrus_colorexpand_pattern_transp_notsrc),
554 ROP2(cirrus_colorexpand_pattern_transp_notsrc_or_dst),
555 ROP2(cirrus_colorexpand_pattern_transp_notsrc_and_notdst),
558 static const cirrus_bitblt_rop_t cirrus_colorexpand_pattern[16][4] = {
559 ROP2(cirrus_colorexpand_pattern_0),
560 ROP2(cirrus_colorexpand_pattern_src_and_dst),
561 ROP_NOP2(cirrus_bitblt_rop_nop),
562 ROP2(cirrus_colorexpand_pattern_src_and_notdst),
563 ROP2(cirrus_colorexpand_pattern_notdst),
564 ROP2(cirrus_colorexpand_pattern_src),
565 ROP2(cirrus_colorexpand_pattern_1),
566 ROP2(cirrus_colorexpand_pattern_notsrc_and_dst),
567 ROP2(cirrus_colorexpand_pattern_src_xor_dst),
568 ROP2(cirrus_colorexpand_pattern_src_or_dst),
569 ROP2(cirrus_colorexpand_pattern_notsrc_or_notdst),
570 ROP2(cirrus_colorexpand_pattern_src_notxor_dst),
571 ROP2(cirrus_colorexpand_pattern_src_or_notdst),
572 ROP2(cirrus_colorexpand_pattern_notsrc),
573 ROP2(cirrus_colorexpand_pattern_notsrc_or_dst),
574 ROP2(cirrus_colorexpand_pattern_notsrc_and_notdst),
577 static const cirrus_fill_t cirrus_fill[16][4] = {
579 ROP2(cirrus_fill_src_and_dst),
580 ROP_NOP2(cirrus_bitblt_fill_nop),
581 ROP2(cirrus_fill_src_and_notdst),
582 ROP2(cirrus_fill_notdst),
583 ROP2(cirrus_fill_src),
585 ROP2(cirrus_fill_notsrc_and_dst),
586 ROP2(cirrus_fill_src_xor_dst),
587 ROP2(cirrus_fill_src_or_dst),
588 ROP2(cirrus_fill_notsrc_or_notdst),
589 ROP2(cirrus_fill_src_notxor_dst),
590 ROP2(cirrus_fill_src_or_notdst),
591 ROP2(cirrus_fill_notsrc),
592 ROP2(cirrus_fill_notsrc_or_dst),
593 ROP2(cirrus_fill_notsrc_and_notdst),
596 static inline void cirrus_bitblt_fgcol(CirrusVGAState *s)
599 switch (s->cirrus_blt_pixelwidth) {
601 s->cirrus_blt_fgcol = s->cirrus_shadow_gr1;
604 color = s->cirrus_shadow_gr1 | (s->gr[0x11] << 8);
605 s->cirrus_blt_fgcol = le16_to_cpu(color);
608 s->cirrus_blt_fgcol = s->cirrus_shadow_gr1 |
609 (s->gr[0x11] << 8) | (s->gr[0x13] << 16);
613 color = s->cirrus_shadow_gr1 | (s->gr[0x11] << 8) |
614 (s->gr[0x13] << 16) | (s->gr[0x15] << 24);
615 s->cirrus_blt_fgcol = le32_to_cpu(color);
620 static inline void cirrus_bitblt_bgcol(CirrusVGAState *s)
623 switch (s->cirrus_blt_pixelwidth) {
625 s->cirrus_blt_bgcol = s->cirrus_shadow_gr0;
628 color = s->cirrus_shadow_gr0 | (s->gr[0x10] << 8);
629 s->cirrus_blt_bgcol = le16_to_cpu(color);
632 s->cirrus_blt_bgcol = s->cirrus_shadow_gr0 |
633 (s->gr[0x10] << 8) | (s->gr[0x12] << 16);
637 color = s->cirrus_shadow_gr0 | (s->gr[0x10] << 8) |
638 (s->gr[0x12] << 16) | (s->gr[0x14] << 24);
639 s->cirrus_blt_bgcol = le32_to_cpu(color);
644 static void cirrus_invalidate_region(CirrusVGAState * s, int off_begin,
645 int off_pitch, int bytesperline,
652 for (y = 0; y < lines; y++) {
654 off_cur_end = (off_cur + bytesperline) & s->cirrus_addr_mask;
655 off_cur &= TARGET_PAGE_MASK;
656 while (off_cur < off_cur_end) {
657 cpu_physical_memory_set_dirty(s->vram_offset + off_cur);
658 off_cur += TARGET_PAGE_SIZE;
660 off_begin += off_pitch;
664 static int cirrus_bitblt_common_patterncopy(CirrusVGAState * s,
669 dst = s->vram_ptr + (s->cirrus_blt_dstaddr & s->cirrus_addr_mask);
674 (*s->cirrus_rop) (s, dst, src,
675 s->cirrus_blt_dstpitch, 0,
676 s->cirrus_blt_width, s->cirrus_blt_height);
677 cirrus_invalidate_region(s, s->cirrus_blt_dstaddr,
678 s->cirrus_blt_dstpitch, s->cirrus_blt_width,
679 s->cirrus_blt_height);
685 static int cirrus_bitblt_solidfill(CirrusVGAState *s, int blt_rop)
687 cirrus_fill_t rop_func;
691 rop_func = cirrus_fill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
692 rop_func(s, s->vram_ptr + (s->cirrus_blt_dstaddr & s->cirrus_addr_mask),
693 s->cirrus_blt_dstpitch,
694 s->cirrus_blt_width, s->cirrus_blt_height);
695 cirrus_invalidate_region(s, s->cirrus_blt_dstaddr,
696 s->cirrus_blt_dstpitch, s->cirrus_blt_width,
697 s->cirrus_blt_height);
698 cirrus_bitblt_reset(s);
702 /***************************************
704 * bitblt (video-to-video)
706 ***************************************/
708 static int cirrus_bitblt_videotovideo_patterncopy(CirrusVGAState * s)
710 return cirrus_bitblt_common_patterncopy(s,
711 s->vram_ptr + ((s->cirrus_blt_srcaddr & ~7) &
712 s->cirrus_addr_mask));
715 static void cirrus_do_copy(CirrusVGAState *s, int dst, int src, int w, int h)
723 depth = s->get_bpp((VGAState *)s) / 8;
724 s->get_resolution((VGAState *)s, &width, &height);
727 sx = (src % ABS(s->cirrus_blt_srcpitch)) / depth;
728 sy = (src / ABS(s->cirrus_blt_srcpitch));
729 dx = (dst % ABS(s->cirrus_blt_dstpitch)) / depth;
730 dy = (dst / ABS(s->cirrus_blt_dstpitch));
732 /* normalize width */
735 /* if we're doing a backward copy, we have to adjust
736 our x/y to be the upper left corner (instead of the lower
738 if (s->cirrus_blt_dstpitch < 0) {
739 sx -= (s->cirrus_blt_width / depth) - 1;
740 dx -= (s->cirrus_blt_width / depth) - 1;
741 sy -= s->cirrus_blt_height - 1;
742 dy -= s->cirrus_blt_height - 1;
745 /* are we in the visible portion of memory? */
746 if (sx >= 0 && sy >= 0 && dx >= 0 && dy >= 0 &&
747 (sx + w) <= width && (sy + h) <= height &&
748 (dx + w) <= width && (dy + h) <= height) {
752 /* make to sure only copy if it's a plain copy ROP */
753 if (*s->cirrus_rop != cirrus_bitblt_rop_fwd_src &&
754 *s->cirrus_rop != cirrus_bitblt_rop_bkwd_src)
757 /* we have to flush all pending changes so that the copy
758 is generated at the appropriate moment in time */
762 (*s->cirrus_rop) (s, s->vram_ptr +
763 (s->cirrus_blt_dstaddr & s->cirrus_addr_mask),
765 (s->cirrus_blt_srcaddr & s->cirrus_addr_mask),
766 s->cirrus_blt_dstpitch, s->cirrus_blt_srcpitch,
767 s->cirrus_blt_width, s->cirrus_blt_height);
770 qemu_console_copy(s->ds,
772 s->cirrus_blt_width / depth,
773 s->cirrus_blt_height);
775 /* we don't have to notify the display that this portion has
776 changed since qemu_console_copy implies this */
778 cirrus_invalidate_region(s, s->cirrus_blt_dstaddr,
779 s->cirrus_blt_dstpitch, s->cirrus_blt_width,
780 s->cirrus_blt_height);
783 static int cirrus_bitblt_videotovideo_copy(CirrusVGAState * s)
788 cirrus_do_copy(s, s->cirrus_blt_dstaddr - s->start_addr,
789 s->cirrus_blt_srcaddr - s->start_addr,
790 s->cirrus_blt_width, s->cirrus_blt_height);
795 /***************************************
797 * bitblt (cpu-to-video)
799 ***************************************/
801 static void cirrus_bitblt_cputovideo_next(CirrusVGAState * s)
806 if (s->cirrus_srccounter > 0) {
807 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) {
808 cirrus_bitblt_common_patterncopy(s, s->cirrus_bltbuf);
810 s->cirrus_srccounter = 0;
811 cirrus_bitblt_reset(s);
813 /* at least one scan line */
815 (*s->cirrus_rop)(s, s->vram_ptr +
816 (s->cirrus_blt_dstaddr & s->cirrus_addr_mask),
817 s->cirrus_bltbuf, 0, 0, s->cirrus_blt_width, 1);
818 cirrus_invalidate_region(s, s->cirrus_blt_dstaddr, 0,
819 s->cirrus_blt_width, 1);
820 s->cirrus_blt_dstaddr += s->cirrus_blt_dstpitch;
821 s->cirrus_srccounter -= s->cirrus_blt_srcpitch;
822 if (s->cirrus_srccounter <= 0)
824 /* more bytes than needed can be transfered because of
825 word alignment, so we keep them for the next line */
826 /* XXX: keep alignment to speed up transfer */
827 end_ptr = s->cirrus_bltbuf + s->cirrus_blt_srcpitch;
828 copy_count = s->cirrus_srcptr_end - end_ptr;
829 memmove(s->cirrus_bltbuf, end_ptr, copy_count);
830 s->cirrus_srcptr = s->cirrus_bltbuf + copy_count;
831 s->cirrus_srcptr_end = s->cirrus_bltbuf + s->cirrus_blt_srcpitch;
832 } while (s->cirrus_srcptr >= s->cirrus_srcptr_end);
837 /***************************************
841 ***************************************/
843 static void cirrus_bitblt_reset(CirrusVGAState * s)
848 ~(CIRRUS_BLT_START | CIRRUS_BLT_BUSY | CIRRUS_BLT_FIFOUSED);
849 need_update = s->cirrus_srcptr != &s->cirrus_bltbuf[0]
850 || s->cirrus_srcptr_end != &s->cirrus_bltbuf[0];
851 s->cirrus_srcptr = &s->cirrus_bltbuf[0];
852 s->cirrus_srcptr_end = &s->cirrus_bltbuf[0];
853 s->cirrus_srccounter = 0;
856 cirrus_update_memory_access(s);
859 static int cirrus_bitblt_cputovideo(CirrusVGAState * s)
863 s->cirrus_blt_mode &= ~CIRRUS_BLTMODE_MEMSYSSRC;
864 s->cirrus_srcptr = &s->cirrus_bltbuf[0];
865 s->cirrus_srcptr_end = &s->cirrus_bltbuf[0];
867 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) {
868 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) {
869 s->cirrus_blt_srcpitch = 8;
871 /* XXX: check for 24 bpp */
872 s->cirrus_blt_srcpitch = 8 * 8 * s->cirrus_blt_pixelwidth;
874 s->cirrus_srccounter = s->cirrus_blt_srcpitch;
876 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) {
877 w = s->cirrus_blt_width / s->cirrus_blt_pixelwidth;
878 if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_DWORDGRANULARITY)
879 s->cirrus_blt_srcpitch = ((w + 31) >> 5);
881 s->cirrus_blt_srcpitch = ((w + 7) >> 3);
883 /* always align input size to 32 bits */
884 s->cirrus_blt_srcpitch = (s->cirrus_blt_width + 3) & ~3;
886 s->cirrus_srccounter = s->cirrus_blt_srcpitch * s->cirrus_blt_height;
888 s->cirrus_srcptr = s->cirrus_bltbuf;
889 s->cirrus_srcptr_end = s->cirrus_bltbuf + s->cirrus_blt_srcpitch;
890 cirrus_update_memory_access(s);
894 static int cirrus_bitblt_videotocpu(CirrusVGAState * s)
898 printf("cirrus: bitblt (video to cpu) is not implemented yet\n");
903 static int cirrus_bitblt_videotovideo(CirrusVGAState * s)
907 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) {
908 ret = cirrus_bitblt_videotovideo_patterncopy(s);
910 ret = cirrus_bitblt_videotovideo_copy(s);
913 cirrus_bitblt_reset(s);
917 static void cirrus_bitblt_start(CirrusVGAState * s)
921 s->gr[0x31] |= CIRRUS_BLT_BUSY;
923 s->cirrus_blt_width = (s->gr[0x20] | (s->gr[0x21] << 8)) + 1;
924 s->cirrus_blt_height = (s->gr[0x22] | (s->gr[0x23] << 8)) + 1;
925 s->cirrus_blt_dstpitch = (s->gr[0x24] | (s->gr[0x25] << 8));
926 s->cirrus_blt_srcpitch = (s->gr[0x26] | (s->gr[0x27] << 8));
927 s->cirrus_blt_dstaddr =
928 (s->gr[0x28] | (s->gr[0x29] << 8) | (s->gr[0x2a] << 16));
929 s->cirrus_blt_srcaddr =
930 (s->gr[0x2c] | (s->gr[0x2d] << 8) | (s->gr[0x2e] << 16));
931 s->cirrus_blt_mode = s->gr[0x30];
932 s->cirrus_blt_modeext = s->gr[0x33];
933 blt_rop = s->gr[0x32];
936 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",
939 s->cirrus_blt_modeext,
941 s->cirrus_blt_height,
942 s->cirrus_blt_dstpitch,
943 s->cirrus_blt_srcpitch,
944 s->cirrus_blt_dstaddr,
945 s->cirrus_blt_srcaddr,
949 switch (s->cirrus_blt_mode & CIRRUS_BLTMODE_PIXELWIDTHMASK) {
950 case CIRRUS_BLTMODE_PIXELWIDTH8:
951 s->cirrus_blt_pixelwidth = 1;
953 case CIRRUS_BLTMODE_PIXELWIDTH16:
954 s->cirrus_blt_pixelwidth = 2;
956 case CIRRUS_BLTMODE_PIXELWIDTH24:
957 s->cirrus_blt_pixelwidth = 3;
959 case CIRRUS_BLTMODE_PIXELWIDTH32:
960 s->cirrus_blt_pixelwidth = 4;
964 printf("cirrus: bitblt - pixel width is unknown\n");
968 s->cirrus_blt_mode &= ~CIRRUS_BLTMODE_PIXELWIDTHMASK;
971 cirrus_blt_mode & (CIRRUS_BLTMODE_MEMSYSSRC |
972 CIRRUS_BLTMODE_MEMSYSDEST))
973 == (CIRRUS_BLTMODE_MEMSYSSRC | CIRRUS_BLTMODE_MEMSYSDEST)) {
975 printf("cirrus: bitblt - memory-to-memory copy is requested\n");
980 if ((s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_SOLIDFILL) &&
981 (s->cirrus_blt_mode & (CIRRUS_BLTMODE_MEMSYSDEST |
982 CIRRUS_BLTMODE_TRANSPARENTCOMP |
983 CIRRUS_BLTMODE_PATTERNCOPY |
984 CIRRUS_BLTMODE_COLOREXPAND)) ==
985 (CIRRUS_BLTMODE_PATTERNCOPY | CIRRUS_BLTMODE_COLOREXPAND)) {
986 cirrus_bitblt_fgcol(s);
987 cirrus_bitblt_solidfill(s, blt_rop);
989 if ((s->cirrus_blt_mode & (CIRRUS_BLTMODE_COLOREXPAND |
990 CIRRUS_BLTMODE_PATTERNCOPY)) ==
991 CIRRUS_BLTMODE_COLOREXPAND) {
993 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) {
994 if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV)
995 cirrus_bitblt_bgcol(s);
997 cirrus_bitblt_fgcol(s);
998 s->cirrus_rop = cirrus_colorexpand_transp[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
1000 cirrus_bitblt_fgcol(s);
1001 cirrus_bitblt_bgcol(s);
1002 s->cirrus_rop = cirrus_colorexpand[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
1004 } else if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) {
1005 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) {
1006 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) {
1007 if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV)
1008 cirrus_bitblt_bgcol(s);
1010 cirrus_bitblt_fgcol(s);
1011 s->cirrus_rop = cirrus_colorexpand_pattern_transp[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
1013 cirrus_bitblt_fgcol(s);
1014 cirrus_bitblt_bgcol(s);
1015 s->cirrus_rop = cirrus_colorexpand_pattern[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
1018 s->cirrus_rop = cirrus_patternfill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
1021 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) {
1022 if (s->cirrus_blt_pixelwidth > 2) {
1023 printf("src transparent without colorexpand must be 8bpp or 16bpp\n");
1026 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_BACKWARDS) {
1027 s->cirrus_blt_dstpitch = -s->cirrus_blt_dstpitch;
1028 s->cirrus_blt_srcpitch = -s->cirrus_blt_srcpitch;
1029 s->cirrus_rop = cirrus_bkwd_transp_rop[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
1031 s->cirrus_rop = cirrus_fwd_transp_rop[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
1034 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_BACKWARDS) {
1035 s->cirrus_blt_dstpitch = -s->cirrus_blt_dstpitch;
1036 s->cirrus_blt_srcpitch = -s->cirrus_blt_srcpitch;
1037 s->cirrus_rop = cirrus_bkwd_rop[rop_to_index[blt_rop]];
1039 s->cirrus_rop = cirrus_fwd_rop[rop_to_index[blt_rop]];
1043 // setup bitblt engine.
1044 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_MEMSYSSRC) {
1045 if (!cirrus_bitblt_cputovideo(s))
1047 } else if (s->cirrus_blt_mode & CIRRUS_BLTMODE_MEMSYSDEST) {
1048 if (!cirrus_bitblt_videotocpu(s))
1051 if (!cirrus_bitblt_videotovideo(s))
1057 cirrus_bitblt_reset(s);
1060 static void cirrus_write_bitblt(CirrusVGAState * s, unsigned reg_value)
1064 old_value = s->gr[0x31];
1065 s->gr[0x31] = reg_value;
1067 if (((old_value & CIRRUS_BLT_RESET) != 0) &&
1068 ((reg_value & CIRRUS_BLT_RESET) == 0)) {
1069 cirrus_bitblt_reset(s);
1070 } else if (((old_value & CIRRUS_BLT_START) == 0) &&
1071 ((reg_value & CIRRUS_BLT_START) != 0)) {
1072 cirrus_bitblt_start(s);
1077 /***************************************
1081 ***************************************/
1083 static void cirrus_get_offsets(VGAState *s1,
1084 uint32_t *pline_offset,
1085 uint32_t *pstart_addr,
1086 uint32_t *pline_compare)
1088 CirrusVGAState * s = (CirrusVGAState *)s1;
1089 uint32_t start_addr, line_offset, line_compare;
1091 line_offset = s->cr[0x13]
1092 | ((s->cr[0x1b] & 0x10) << 4);
1094 *pline_offset = line_offset;
1096 start_addr = (s->cr[0x0c] << 8)
1098 | ((s->cr[0x1b] & 0x01) << 16)
1099 | ((s->cr[0x1b] & 0x0c) << 15)
1100 | ((s->cr[0x1d] & 0x80) << 12);
1101 *pstart_addr = start_addr;
1103 line_compare = s->cr[0x18] |
1104 ((s->cr[0x07] & 0x10) << 4) |
1105 ((s->cr[0x09] & 0x40) << 3);
1106 *pline_compare = line_compare;
1109 static uint32_t cirrus_get_bpp16_depth(CirrusVGAState * s)
1113 switch (s->cirrus_hidden_dac_data & 0xf) {
1116 break; /* Sierra HiColor */
1119 break; /* XGA HiColor */
1122 printf("cirrus: invalid DAC value %x in 16bpp\n",
1123 (s->cirrus_hidden_dac_data & 0xf));
1131 static int cirrus_get_bpp(VGAState *s1)
1133 CirrusVGAState * s = (CirrusVGAState *)s1;
1136 if ((s->sr[0x07] & 0x01) != 0) {
1138 switch (s->sr[0x07] & CIRRUS_SR7_BPP_MASK) {
1139 case CIRRUS_SR7_BPP_8:
1142 case CIRRUS_SR7_BPP_16_DOUBLEVCLK:
1143 ret = cirrus_get_bpp16_depth(s);
1145 case CIRRUS_SR7_BPP_24:
1148 case CIRRUS_SR7_BPP_16:
1149 ret = cirrus_get_bpp16_depth(s);
1151 case CIRRUS_SR7_BPP_32:
1156 printf("cirrus: unknown bpp - sr7=%x\n", s->sr[0x7]);
1169 static void cirrus_get_resolution(VGAState *s, int *pwidth, int *pheight)
1173 width = (s->cr[0x01] + 1) * 8;
1174 height = s->cr[0x12] |
1175 ((s->cr[0x07] & 0x02) << 7) |
1176 ((s->cr[0x07] & 0x40) << 3);
1177 height = (height + 1);
1178 /* interlace support */
1179 if (s->cr[0x1a] & 0x01)
1180 height = height * 2;
1185 /***************************************
1189 ***************************************/
1191 static void cirrus_update_bank_ptr(CirrusVGAState * s, unsigned bank_index)
1196 if ((s->gr[0x0b] & 0x01) != 0) /* dual bank */
1197 offset = s->gr[0x09 + bank_index];
1198 else /* single bank */
1199 offset = s->gr[0x09];
1201 if ((s->gr[0x0b] & 0x20) != 0)
1206 if (s->real_vram_size <= offset)
1209 limit = s->real_vram_size - offset;
1211 if (((s->gr[0x0b] & 0x01) == 0) && (bank_index != 0)) {
1212 if (limit > 0x8000) {
1221 /* Thinking about changing bank base? First, drop the dirty bitmap information
1222 * on the current location, otherwise we lose this pointer forever */
1223 if (s->lfb_vram_mapped) {
1224 target_phys_addr_t base_addr = isa_mem_base + 0xa0000 + bank_index * 0x8000;
1225 cpu_physical_sync_dirty_bitmap(base_addr, base_addr + 0x8000);
1227 s->cirrus_bank_base[bank_index] = offset;
1228 s->cirrus_bank_limit[bank_index] = limit;
1230 s->cirrus_bank_base[bank_index] = 0;
1231 s->cirrus_bank_limit[bank_index] = 0;
1235 /***************************************
1237 * I/O access between 0x3c4-0x3c5
1239 ***************************************/
1242 cirrus_hook_read_sr(CirrusVGAState * s, unsigned reg_index, int *reg_value)
1244 switch (reg_index) {
1245 case 0x00: // Standard VGA
1246 case 0x01: // Standard VGA
1247 case 0x02: // Standard VGA
1248 case 0x03: // Standard VGA
1249 case 0x04: // Standard VGA
1250 return CIRRUS_HOOK_NOT_HANDLED;
1251 case 0x06: // Unlock Cirrus extensions
1252 *reg_value = s->sr[reg_index];
1257 case 0x70: // Graphics Cursor X
1261 case 0xf0: // Graphics Cursor X
1262 *reg_value = s->sr[0x10];
1267 case 0x71: // Graphics Cursor Y
1271 case 0xf1: // Graphics Cursor Y
1272 *reg_value = s->sr[0x11];
1275 case 0x07: // Extended Sequencer Mode
1276 case 0x08: // EEPROM Control
1277 case 0x09: // Scratch Register 0
1278 case 0x0a: // Scratch Register 1
1279 case 0x0b: // VCLK 0
1280 case 0x0c: // VCLK 1
1281 case 0x0d: // VCLK 2
1282 case 0x0e: // VCLK 3
1283 case 0x0f: // DRAM Control
1284 case 0x12: // Graphics Cursor Attribute
1285 case 0x13: // Graphics Cursor Pattern Address
1286 case 0x14: // Scratch Register 2
1287 case 0x15: // Scratch Register 3
1288 case 0x16: // Performance Tuning Register
1289 case 0x17: // Configuration Readback and Extended Control
1290 case 0x18: // Signature Generator Control
1291 case 0x19: // Signal Generator Result
1292 case 0x1a: // Signal Generator Result
1293 case 0x1b: // VCLK 0 Denominator & Post
1294 case 0x1c: // VCLK 1 Denominator & Post
1295 case 0x1d: // VCLK 2 Denominator & Post
1296 case 0x1e: // VCLK 3 Denominator & Post
1297 case 0x1f: // BIOS Write Enable and MCLK select
1299 printf("cirrus: handled inport sr_index %02x\n", reg_index);
1301 *reg_value = s->sr[reg_index];
1305 printf("cirrus: inport sr_index %02x\n", reg_index);
1311 return CIRRUS_HOOK_HANDLED;
1315 cirrus_hook_write_sr(CirrusVGAState * s, unsigned reg_index, int reg_value)
1317 switch (reg_index) {
1318 case 0x00: // Standard VGA
1319 case 0x01: // Standard VGA
1320 case 0x02: // Standard VGA
1321 case 0x03: // Standard VGA
1322 case 0x04: // Standard VGA
1323 return CIRRUS_HOOK_NOT_HANDLED;
1324 case 0x06: // Unlock Cirrus extensions
1326 if (reg_value == 0x12) {
1327 s->sr[reg_index] = 0x12;
1329 s->sr[reg_index] = 0x0f;
1335 case 0x70: // Graphics Cursor X
1339 case 0xf0: // Graphics Cursor X
1340 s->sr[0x10] = reg_value;
1341 s->hw_cursor_x = (reg_value << 3) | (reg_index >> 5);
1346 case 0x71: // Graphics Cursor Y
1350 case 0xf1: // Graphics Cursor Y
1351 s->sr[0x11] = reg_value;
1352 s->hw_cursor_y = (reg_value << 3) | (reg_index >> 5);
1354 case 0x07: // Extended Sequencer Mode
1355 cirrus_update_memory_access(s);
1356 case 0x08: // EEPROM Control
1357 case 0x09: // Scratch Register 0
1358 case 0x0a: // Scratch Register 1
1359 case 0x0b: // VCLK 0
1360 case 0x0c: // VCLK 1
1361 case 0x0d: // VCLK 2
1362 case 0x0e: // VCLK 3
1363 case 0x0f: // DRAM Control
1364 case 0x12: // Graphics Cursor Attribute
1365 case 0x13: // Graphics Cursor Pattern Address
1366 case 0x14: // Scratch Register 2
1367 case 0x15: // Scratch Register 3
1368 case 0x16: // Performance Tuning Register
1369 case 0x18: // Signature Generator Control
1370 case 0x19: // Signature Generator Result
1371 case 0x1a: // Signature Generator Result
1372 case 0x1b: // VCLK 0 Denominator & Post
1373 case 0x1c: // VCLK 1 Denominator & Post
1374 case 0x1d: // VCLK 2 Denominator & Post
1375 case 0x1e: // VCLK 3 Denominator & Post
1376 case 0x1f: // BIOS Write Enable and MCLK select
1377 s->sr[reg_index] = reg_value;
1379 printf("cirrus: handled outport sr_index %02x, sr_value %02x\n",
1380 reg_index, reg_value);
1383 case 0x17: // Configuration Readback and Extended Control
1384 s->sr[reg_index] = (s->sr[reg_index] & 0x38) | (reg_value & 0xc7);
1385 cirrus_update_memory_access(s);
1389 printf("cirrus: outport sr_index %02x, sr_value %02x\n", reg_index,
1395 vga_update_resolution((VGAState *)s);
1397 return CIRRUS_HOOK_HANDLED;
1400 /***************************************
1402 * I/O access at 0x3c6
1404 ***************************************/
1406 static void cirrus_read_hidden_dac(CirrusVGAState * s, int *reg_value)
1409 if (++s->cirrus_hidden_dac_lockindex == 5) {
1410 *reg_value = s->cirrus_hidden_dac_data;
1411 s->cirrus_hidden_dac_lockindex = 0;
1415 static void cirrus_write_hidden_dac(CirrusVGAState * s, int reg_value)
1417 if (s->cirrus_hidden_dac_lockindex == 4) {
1418 s->cirrus_hidden_dac_data = reg_value;
1419 #if defined(DEBUG_CIRRUS)
1420 printf("cirrus: outport hidden DAC, value %02x\n", reg_value);
1423 s->cirrus_hidden_dac_lockindex = 0;
1424 vga_update_resolution((VGAState *)s);
1427 /***************************************
1429 * I/O access at 0x3c9
1431 ***************************************/
1433 static int cirrus_hook_read_palette(CirrusVGAState * s, int *reg_value)
1435 if (!(s->sr[0x12] & CIRRUS_CURSOR_HIDDENPEL))
1436 return CIRRUS_HOOK_NOT_HANDLED;
1438 s->cirrus_hidden_palette[(s->dac_read_index & 0x0f) * 3 +
1440 if (++s->dac_sub_index == 3) {
1441 s->dac_sub_index = 0;
1442 s->dac_read_index++;
1444 return CIRRUS_HOOK_HANDLED;
1447 static int cirrus_hook_write_palette(CirrusVGAState * s, int reg_value)
1449 if (!(s->sr[0x12] & CIRRUS_CURSOR_HIDDENPEL))
1450 return CIRRUS_HOOK_NOT_HANDLED;
1451 s->dac_cache[s->dac_sub_index] = reg_value;
1452 if (++s->dac_sub_index == 3) {
1453 memcpy(&s->cirrus_hidden_palette[(s->dac_write_index & 0x0f) * 3],
1455 /* XXX update cursor */
1456 s->dac_sub_index = 0;
1457 s->dac_write_index++;
1459 return CIRRUS_HOOK_HANDLED;
1462 /***************************************
1464 * I/O access between 0x3ce-0x3cf
1466 ***************************************/
1469 cirrus_hook_read_gr(CirrusVGAState * s, unsigned reg_index, int *reg_value)
1471 switch (reg_index) {
1472 case 0x00: // Standard VGA, BGCOLOR 0x000000ff
1473 *reg_value = s->cirrus_shadow_gr0;
1474 return CIRRUS_HOOK_HANDLED;
1475 case 0x01: // Standard VGA, FGCOLOR 0x000000ff
1476 *reg_value = s->cirrus_shadow_gr1;
1477 return CIRRUS_HOOK_HANDLED;
1478 case 0x02: // Standard VGA
1479 case 0x03: // Standard VGA
1480 case 0x04: // Standard VGA
1481 case 0x06: // Standard VGA
1482 case 0x07: // Standard VGA
1483 case 0x08: // Standard VGA
1484 return CIRRUS_HOOK_NOT_HANDLED;
1485 case 0x05: // Standard VGA, Cirrus extended mode
1490 if (reg_index < 0x3a) {
1491 *reg_value = s->gr[reg_index];
1494 printf("cirrus: inport gr_index %02x\n", reg_index);
1499 return CIRRUS_HOOK_HANDLED;
1503 cirrus_hook_write_gr(CirrusVGAState * s, unsigned reg_index, int reg_value)
1505 #if defined(DEBUG_BITBLT) && 0
1506 printf("gr%02x: %02x\n", reg_index, reg_value);
1508 switch (reg_index) {
1509 case 0x00: // Standard VGA, BGCOLOR 0x000000ff
1510 s->cirrus_shadow_gr0 = reg_value;
1511 return CIRRUS_HOOK_NOT_HANDLED;
1512 case 0x01: // Standard VGA, FGCOLOR 0x000000ff
1513 s->cirrus_shadow_gr1 = reg_value;
1514 return CIRRUS_HOOK_NOT_HANDLED;
1515 case 0x02: // Standard VGA
1516 case 0x03: // Standard VGA
1517 case 0x04: // Standard VGA
1518 case 0x06: // Standard VGA
1519 case 0x07: // Standard VGA
1520 case 0x08: // Standard VGA
1521 return CIRRUS_HOOK_NOT_HANDLED;
1522 case 0x05: // Standard VGA, Cirrus extended mode
1523 s->gr[reg_index] = reg_value & 0x7f;
1524 cirrus_update_memory_access(s);
1526 case 0x09: // bank offset #0
1527 case 0x0A: // bank offset #1
1528 s->gr[reg_index] = reg_value;
1529 cirrus_update_bank_ptr(s, 0);
1530 cirrus_update_bank_ptr(s, 1);
1531 cirrus_update_memory_access(s);
1534 s->gr[reg_index] = reg_value;
1535 cirrus_update_bank_ptr(s, 0);
1536 cirrus_update_bank_ptr(s, 1);
1537 cirrus_update_memory_access(s);
1539 case 0x10: // BGCOLOR 0x0000ff00
1540 case 0x11: // FGCOLOR 0x0000ff00
1541 case 0x12: // BGCOLOR 0x00ff0000
1542 case 0x13: // FGCOLOR 0x00ff0000
1543 case 0x14: // BGCOLOR 0xff000000
1544 case 0x15: // FGCOLOR 0xff000000
1545 case 0x20: // BLT WIDTH 0x0000ff
1546 case 0x22: // BLT HEIGHT 0x0000ff
1547 case 0x24: // BLT DEST PITCH 0x0000ff
1548 case 0x26: // BLT SRC PITCH 0x0000ff
1549 case 0x28: // BLT DEST ADDR 0x0000ff
1550 case 0x29: // BLT DEST ADDR 0x00ff00
1551 case 0x2c: // BLT SRC ADDR 0x0000ff
1552 case 0x2d: // BLT SRC ADDR 0x00ff00
1553 case 0x2f: // BLT WRITEMASK
1554 case 0x30: // BLT MODE
1555 case 0x32: // RASTER OP
1556 case 0x33: // BLT MODEEXT
1557 case 0x34: // BLT TRANSPARENT COLOR 0x00ff
1558 case 0x35: // BLT TRANSPARENT COLOR 0xff00
1559 case 0x38: // BLT TRANSPARENT COLOR MASK 0x00ff
1560 case 0x39: // BLT TRANSPARENT COLOR MASK 0xff00
1561 s->gr[reg_index] = reg_value;
1563 case 0x21: // BLT WIDTH 0x001f00
1564 case 0x23: // BLT HEIGHT 0x001f00
1565 case 0x25: // BLT DEST PITCH 0x001f00
1566 case 0x27: // BLT SRC PITCH 0x001f00
1567 s->gr[reg_index] = reg_value & 0x1f;
1569 case 0x2a: // BLT DEST ADDR 0x3f0000
1570 s->gr[reg_index] = reg_value & 0x3f;
1571 /* if auto start mode, starts bit blt now */
1572 if (s->gr[0x31] & CIRRUS_BLT_AUTOSTART) {
1573 cirrus_bitblt_start(s);
1576 case 0x2e: // BLT SRC ADDR 0x3f0000
1577 s->gr[reg_index] = reg_value & 0x3f;
1579 case 0x31: // BLT STATUS/START
1580 cirrus_write_bitblt(s, reg_value);
1584 printf("cirrus: outport gr_index %02x, gr_value %02x\n", reg_index,
1590 return CIRRUS_HOOK_HANDLED;
1593 /***************************************
1595 * I/O access between 0x3d4-0x3d5
1597 ***************************************/
1600 cirrus_hook_read_cr(CirrusVGAState * s, unsigned reg_index, int *reg_value)
1602 switch (reg_index) {
1603 case 0x00: // Standard VGA
1604 case 0x01: // Standard VGA
1605 case 0x02: // Standard VGA
1606 case 0x03: // Standard VGA
1607 case 0x04: // Standard VGA
1608 case 0x05: // Standard VGA
1609 case 0x06: // Standard VGA
1610 case 0x07: // Standard VGA
1611 case 0x08: // Standard VGA
1612 case 0x09: // Standard VGA
1613 case 0x0a: // Standard VGA
1614 case 0x0b: // Standard VGA
1615 case 0x0c: // Standard VGA
1616 case 0x0d: // Standard VGA
1617 case 0x0e: // Standard VGA
1618 case 0x0f: // Standard VGA
1619 case 0x10: // Standard VGA
1620 case 0x11: // Standard VGA
1621 case 0x12: // Standard VGA
1622 case 0x13: // Standard VGA
1623 case 0x14: // Standard VGA
1624 case 0x15: // Standard VGA
1625 case 0x16: // Standard VGA
1626 case 0x17: // Standard VGA
1627 case 0x18: // Standard VGA
1628 return CIRRUS_HOOK_NOT_HANDLED;
1629 case 0x24: // Attribute Controller Toggle Readback (R)
1630 *reg_value = (s->ar_flip_flop << 7);
1632 case 0x19: // Interlace End
1633 case 0x1a: // Miscellaneous Control
1634 case 0x1b: // Extended Display Control
1635 case 0x1c: // Sync Adjust and Genlock
1636 case 0x1d: // Overlay Extended Control
1637 case 0x22: // Graphics Data Latches Readback (R)
1638 case 0x25: // Part Status
1639 case 0x27: // Part ID (R)
1640 *reg_value = s->cr[reg_index];
1642 case 0x26: // Attribute Controller Index Readback (R)
1643 *reg_value = s->ar_index & 0x3f;
1647 printf("cirrus: inport cr_index %02x\n", reg_index);
1653 return CIRRUS_HOOK_HANDLED;
1657 cirrus_hook_write_cr(CirrusVGAState * s, unsigned reg_index, int reg_value)
1659 switch (reg_index) {
1660 case 0x00: // Standard VGA
1661 case 0x01: // Standard VGA
1662 case 0x02: // Standard VGA
1663 case 0x03: // Standard VGA
1664 case 0x04: // Standard VGA
1665 case 0x05: // Standard VGA
1666 case 0x06: // Standard VGA
1667 case 0x07: // Standard VGA
1668 case 0x08: // Standard VGA
1669 case 0x09: // Standard VGA
1670 case 0x0a: // Standard VGA
1671 case 0x0b: // Standard VGA
1672 case 0x0c: // Standard VGA
1673 case 0x0d: // Standard VGA
1674 case 0x0e: // Standard VGA
1675 case 0x0f: // Standard VGA
1676 case 0x10: // Standard VGA
1677 case 0x11: // Standard VGA
1678 case 0x12: // Standard VGA
1679 case 0x13: // Standard VGA
1680 case 0x14: // Standard VGA
1681 case 0x15: // Standard VGA
1682 case 0x16: // Standard VGA
1683 case 0x17: // Standard VGA
1684 case 0x18: // Standard VGA
1685 return CIRRUS_HOOK_NOT_HANDLED;
1686 case 0x19: // Interlace End
1687 case 0x1a: // Miscellaneous Control
1688 case 0x1b: // Extended Display Control
1689 case 0x1c: // Sync Adjust and Genlock
1690 case 0x1d: // Overlay Extended Control
1691 s->cr[reg_index] = reg_value;
1693 printf("cirrus: handled outport cr_index %02x, cr_value %02x\n",
1694 reg_index, reg_value);
1697 case 0x22: // Graphics Data Latches Readback (R)
1698 case 0x24: // Attribute Controller Toggle Readback (R)
1699 case 0x26: // Attribute Controller Index Readback (R)
1700 case 0x27: // Part ID (R)
1702 case 0x25: // Part Status
1705 printf("cirrus: outport cr_index %02x, cr_value %02x\n", reg_index,
1711 vga_update_resolution((VGAState *)s);
1713 return CIRRUS_HOOK_HANDLED;
1716 /***************************************
1718 * memory-mapped I/O (bitblt)
1720 ***************************************/
1722 static uint8_t cirrus_mmio_blt_read(CirrusVGAState * s, unsigned address)
1727 case (CIRRUS_MMIO_BLTBGCOLOR + 0):
1728 cirrus_hook_read_gr(s, 0x00, &value);
1730 case (CIRRUS_MMIO_BLTBGCOLOR + 1):
1731 cirrus_hook_read_gr(s, 0x10, &value);
1733 case (CIRRUS_MMIO_BLTBGCOLOR + 2):
1734 cirrus_hook_read_gr(s, 0x12, &value);
1736 case (CIRRUS_MMIO_BLTBGCOLOR + 3):
1737 cirrus_hook_read_gr(s, 0x14, &value);
1739 case (CIRRUS_MMIO_BLTFGCOLOR + 0):
1740 cirrus_hook_read_gr(s, 0x01, &value);
1742 case (CIRRUS_MMIO_BLTFGCOLOR + 1):
1743 cirrus_hook_read_gr(s, 0x11, &value);
1745 case (CIRRUS_MMIO_BLTFGCOLOR + 2):
1746 cirrus_hook_read_gr(s, 0x13, &value);
1748 case (CIRRUS_MMIO_BLTFGCOLOR + 3):
1749 cirrus_hook_read_gr(s, 0x15, &value);
1751 case (CIRRUS_MMIO_BLTWIDTH + 0):
1752 cirrus_hook_read_gr(s, 0x20, &value);
1754 case (CIRRUS_MMIO_BLTWIDTH + 1):
1755 cirrus_hook_read_gr(s, 0x21, &value);
1757 case (CIRRUS_MMIO_BLTHEIGHT + 0):
1758 cirrus_hook_read_gr(s, 0x22, &value);
1760 case (CIRRUS_MMIO_BLTHEIGHT + 1):
1761 cirrus_hook_read_gr(s, 0x23, &value);
1763 case (CIRRUS_MMIO_BLTDESTPITCH + 0):
1764 cirrus_hook_read_gr(s, 0x24, &value);
1766 case (CIRRUS_MMIO_BLTDESTPITCH + 1):
1767 cirrus_hook_read_gr(s, 0x25, &value);
1769 case (CIRRUS_MMIO_BLTSRCPITCH + 0):
1770 cirrus_hook_read_gr(s, 0x26, &value);
1772 case (CIRRUS_MMIO_BLTSRCPITCH + 1):
1773 cirrus_hook_read_gr(s, 0x27, &value);
1775 case (CIRRUS_MMIO_BLTDESTADDR + 0):
1776 cirrus_hook_read_gr(s, 0x28, &value);
1778 case (CIRRUS_MMIO_BLTDESTADDR + 1):
1779 cirrus_hook_read_gr(s, 0x29, &value);
1781 case (CIRRUS_MMIO_BLTDESTADDR + 2):
1782 cirrus_hook_read_gr(s, 0x2a, &value);
1784 case (CIRRUS_MMIO_BLTSRCADDR + 0):
1785 cirrus_hook_read_gr(s, 0x2c, &value);
1787 case (CIRRUS_MMIO_BLTSRCADDR + 1):
1788 cirrus_hook_read_gr(s, 0x2d, &value);
1790 case (CIRRUS_MMIO_BLTSRCADDR + 2):
1791 cirrus_hook_read_gr(s, 0x2e, &value);
1793 case CIRRUS_MMIO_BLTWRITEMASK:
1794 cirrus_hook_read_gr(s, 0x2f, &value);
1796 case CIRRUS_MMIO_BLTMODE:
1797 cirrus_hook_read_gr(s, 0x30, &value);
1799 case CIRRUS_MMIO_BLTROP:
1800 cirrus_hook_read_gr(s, 0x32, &value);
1802 case CIRRUS_MMIO_BLTMODEEXT:
1803 cirrus_hook_read_gr(s, 0x33, &value);
1805 case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 0):
1806 cirrus_hook_read_gr(s, 0x34, &value);
1808 case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 1):
1809 cirrus_hook_read_gr(s, 0x35, &value);
1811 case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 0):
1812 cirrus_hook_read_gr(s, 0x38, &value);
1814 case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 1):
1815 cirrus_hook_read_gr(s, 0x39, &value);
1817 case CIRRUS_MMIO_BLTSTATUS:
1818 cirrus_hook_read_gr(s, 0x31, &value);
1822 printf("cirrus: mmio read - address 0x%04x\n", address);
1827 return (uint8_t) value;
1830 static void cirrus_mmio_blt_write(CirrusVGAState * s, unsigned address,
1834 case (CIRRUS_MMIO_BLTBGCOLOR + 0):
1835 cirrus_hook_write_gr(s, 0x00, value);
1837 case (CIRRUS_MMIO_BLTBGCOLOR + 1):
1838 cirrus_hook_write_gr(s, 0x10, value);
1840 case (CIRRUS_MMIO_BLTBGCOLOR + 2):
1841 cirrus_hook_write_gr(s, 0x12, value);
1843 case (CIRRUS_MMIO_BLTBGCOLOR + 3):
1844 cirrus_hook_write_gr(s, 0x14, value);
1846 case (CIRRUS_MMIO_BLTFGCOLOR + 0):
1847 cirrus_hook_write_gr(s, 0x01, value);
1849 case (CIRRUS_MMIO_BLTFGCOLOR + 1):
1850 cirrus_hook_write_gr(s, 0x11, value);
1852 case (CIRRUS_MMIO_BLTFGCOLOR + 2):
1853 cirrus_hook_write_gr(s, 0x13, value);
1855 case (CIRRUS_MMIO_BLTFGCOLOR + 3):
1856 cirrus_hook_write_gr(s, 0x15, value);
1858 case (CIRRUS_MMIO_BLTWIDTH + 0):
1859 cirrus_hook_write_gr(s, 0x20, value);
1861 case (CIRRUS_MMIO_BLTWIDTH + 1):
1862 cirrus_hook_write_gr(s, 0x21, value);
1864 case (CIRRUS_MMIO_BLTHEIGHT + 0):
1865 cirrus_hook_write_gr(s, 0x22, value);
1867 case (CIRRUS_MMIO_BLTHEIGHT + 1):
1868 cirrus_hook_write_gr(s, 0x23, value);
1870 case (CIRRUS_MMIO_BLTDESTPITCH + 0):
1871 cirrus_hook_write_gr(s, 0x24, value);
1873 case (CIRRUS_MMIO_BLTDESTPITCH + 1):
1874 cirrus_hook_write_gr(s, 0x25, value);
1876 case (CIRRUS_MMIO_BLTSRCPITCH + 0):
1877 cirrus_hook_write_gr(s, 0x26, value);
1879 case (CIRRUS_MMIO_BLTSRCPITCH + 1):
1880 cirrus_hook_write_gr(s, 0x27, value);
1882 case (CIRRUS_MMIO_BLTDESTADDR + 0):
1883 cirrus_hook_write_gr(s, 0x28, value);
1885 case (CIRRUS_MMIO_BLTDESTADDR + 1):
1886 cirrus_hook_write_gr(s, 0x29, value);
1888 case (CIRRUS_MMIO_BLTDESTADDR + 2):
1889 cirrus_hook_write_gr(s, 0x2a, value);
1891 case (CIRRUS_MMIO_BLTDESTADDR + 3):
1894 case (CIRRUS_MMIO_BLTSRCADDR + 0):
1895 cirrus_hook_write_gr(s, 0x2c, value);
1897 case (CIRRUS_MMIO_BLTSRCADDR + 1):
1898 cirrus_hook_write_gr(s, 0x2d, value);
1900 case (CIRRUS_MMIO_BLTSRCADDR + 2):
1901 cirrus_hook_write_gr(s, 0x2e, value);
1903 case CIRRUS_MMIO_BLTWRITEMASK:
1904 cirrus_hook_write_gr(s, 0x2f, value);
1906 case CIRRUS_MMIO_BLTMODE:
1907 cirrus_hook_write_gr(s, 0x30, value);
1909 case CIRRUS_MMIO_BLTROP:
1910 cirrus_hook_write_gr(s, 0x32, value);
1912 case CIRRUS_MMIO_BLTMODEEXT:
1913 cirrus_hook_write_gr(s, 0x33, value);
1915 case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 0):
1916 cirrus_hook_write_gr(s, 0x34, value);
1918 case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 1):
1919 cirrus_hook_write_gr(s, 0x35, value);
1921 case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 0):
1922 cirrus_hook_write_gr(s, 0x38, value);
1924 case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 1):
1925 cirrus_hook_write_gr(s, 0x39, value);
1927 case CIRRUS_MMIO_BLTSTATUS:
1928 cirrus_hook_write_gr(s, 0x31, value);
1932 printf("cirrus: mmio write - addr 0x%04x val 0x%02x (ignored)\n",
1939 /***************************************
1943 * assume TARGET_PAGE_SIZE >= 16
1945 ***************************************/
1947 static void cirrus_mem_writeb_mode4and5_8bpp(CirrusVGAState * s,
1953 unsigned val = mem_value;
1956 dst = s->vram_ptr + (offset &= s->cirrus_addr_mask);
1957 for (x = 0; x < 8; x++) {
1959 *dst = s->cirrus_shadow_gr1;
1960 } else if (mode == 5) {
1961 *dst = s->cirrus_shadow_gr0;
1966 cpu_physical_memory_set_dirty(s->vram_offset + offset);
1967 cpu_physical_memory_set_dirty(s->vram_offset + offset + 7);
1970 static void cirrus_mem_writeb_mode4and5_16bpp(CirrusVGAState * s,
1976 unsigned val = mem_value;
1979 dst = s->vram_ptr + (offset &= s->cirrus_addr_mask);
1980 for (x = 0; x < 8; x++) {
1982 *dst = s->cirrus_shadow_gr1;
1983 *(dst + 1) = s->gr[0x11];
1984 } else if (mode == 5) {
1985 *dst = s->cirrus_shadow_gr0;
1986 *(dst + 1) = s->gr[0x10];
1991 cpu_physical_memory_set_dirty(s->vram_offset + offset);
1992 cpu_physical_memory_set_dirty(s->vram_offset + offset + 15);
1995 /***************************************
1997 * memory access between 0xa0000-0xbffff
1999 ***************************************/
2001 static uint32_t cirrus_vga_mem_readb(void *opaque, target_phys_addr_t addr)
2003 CirrusVGAState *s = opaque;
2004 unsigned bank_index;
2005 unsigned bank_offset;
2008 if ((s->sr[0x07] & 0x01) == 0) {
2009 return vga_mem_readb(s, addr);
2014 if (addr < 0x10000) {
2015 /* XXX handle bitblt */
2017 bank_index = addr >> 15;
2018 bank_offset = addr & 0x7fff;
2019 if (bank_offset < s->cirrus_bank_limit[bank_index]) {
2020 bank_offset += s->cirrus_bank_base[bank_index];
2021 if ((s->gr[0x0B] & 0x14) == 0x14) {
2023 } else if (s->gr[0x0B] & 0x02) {
2026 bank_offset &= s->cirrus_addr_mask;
2027 val = *(s->vram_ptr + bank_offset);
2030 } else if (addr >= 0x18000 && addr < 0x18100) {
2031 /* memory-mapped I/O */
2033 if ((s->sr[0x17] & 0x44) == 0x04) {
2034 val = cirrus_mmio_blt_read(s, addr & 0xff);
2039 printf("cirrus: mem_readb %06x\n", addr);
2045 static uint32_t cirrus_vga_mem_readw(void *opaque, target_phys_addr_t addr)
2048 #ifdef TARGET_WORDS_BIGENDIAN
2049 v = cirrus_vga_mem_readb(opaque, addr) << 8;
2050 v |= cirrus_vga_mem_readb(opaque, addr + 1);
2052 v = cirrus_vga_mem_readb(opaque, addr);
2053 v |= cirrus_vga_mem_readb(opaque, addr + 1) << 8;
2058 static uint32_t cirrus_vga_mem_readl(void *opaque, target_phys_addr_t addr)
2061 #ifdef TARGET_WORDS_BIGENDIAN
2062 v = cirrus_vga_mem_readb(opaque, addr) << 24;
2063 v |= cirrus_vga_mem_readb(opaque, addr + 1) << 16;
2064 v |= cirrus_vga_mem_readb(opaque, addr + 2) << 8;
2065 v |= cirrus_vga_mem_readb(opaque, addr + 3);
2067 v = cirrus_vga_mem_readb(opaque, addr);
2068 v |= cirrus_vga_mem_readb(opaque, addr + 1) << 8;
2069 v |= cirrus_vga_mem_readb(opaque, addr + 2) << 16;
2070 v |= cirrus_vga_mem_readb(opaque, addr + 3) << 24;
2075 static void cirrus_vga_mem_writeb(void *opaque, target_phys_addr_t addr,
2078 CirrusVGAState *s = opaque;
2079 unsigned bank_index;
2080 unsigned bank_offset;
2083 if ((s->sr[0x07] & 0x01) == 0) {
2084 vga_mem_writeb(s, addr, mem_value);
2090 if (addr < 0x10000) {
2091 if (s->cirrus_srcptr != s->cirrus_srcptr_end) {
2093 *s->cirrus_srcptr++ = (uint8_t) mem_value;
2094 if (s->cirrus_srcptr >= s->cirrus_srcptr_end) {
2095 cirrus_bitblt_cputovideo_next(s);
2099 bank_index = addr >> 15;
2100 bank_offset = addr & 0x7fff;
2101 if (bank_offset < s->cirrus_bank_limit[bank_index]) {
2102 bank_offset += s->cirrus_bank_base[bank_index];
2103 if ((s->gr[0x0B] & 0x14) == 0x14) {
2105 } else if (s->gr[0x0B] & 0x02) {
2108 bank_offset &= s->cirrus_addr_mask;
2109 mode = s->gr[0x05] & 0x7;
2110 if (mode < 4 || mode > 5 || ((s->gr[0x0B] & 0x4) == 0)) {
2111 *(s->vram_ptr + bank_offset) = mem_value;
2112 cpu_physical_memory_set_dirty(s->vram_offset +
2115 if ((s->gr[0x0B] & 0x14) != 0x14) {
2116 cirrus_mem_writeb_mode4and5_8bpp(s, mode,
2120 cirrus_mem_writeb_mode4and5_16bpp(s, mode,
2127 } else if (addr >= 0x18000 && addr < 0x18100) {
2128 /* memory-mapped I/O */
2129 if ((s->sr[0x17] & 0x44) == 0x04) {
2130 cirrus_mmio_blt_write(s, addr & 0xff, mem_value);
2134 printf("cirrus: mem_writeb %06x value %02x\n", addr, mem_value);
2139 static void cirrus_vga_mem_writew(void *opaque, target_phys_addr_t addr, uint32_t val)
2141 #ifdef TARGET_WORDS_BIGENDIAN
2142 cirrus_vga_mem_writeb(opaque, addr, (val >> 8) & 0xff);
2143 cirrus_vga_mem_writeb(opaque, addr + 1, val & 0xff);
2145 cirrus_vga_mem_writeb(opaque, addr, val & 0xff);
2146 cirrus_vga_mem_writeb(opaque, addr + 1, (val >> 8) & 0xff);
2150 static void cirrus_vga_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
2152 #ifdef TARGET_WORDS_BIGENDIAN
2153 cirrus_vga_mem_writeb(opaque, addr, (val >> 24) & 0xff);
2154 cirrus_vga_mem_writeb(opaque, addr + 1, (val >> 16) & 0xff);
2155 cirrus_vga_mem_writeb(opaque, addr + 2, (val >> 8) & 0xff);
2156 cirrus_vga_mem_writeb(opaque, addr + 3, val & 0xff);
2158 cirrus_vga_mem_writeb(opaque, addr, val & 0xff);
2159 cirrus_vga_mem_writeb(opaque, addr + 1, (val >> 8) & 0xff);
2160 cirrus_vga_mem_writeb(opaque, addr + 2, (val >> 16) & 0xff);
2161 cirrus_vga_mem_writeb(opaque, addr + 3, (val >> 24) & 0xff);
2165 static CPUReadMemoryFunc *cirrus_vga_mem_read[3] = {
2166 cirrus_vga_mem_readb,
2167 cirrus_vga_mem_readw,
2168 cirrus_vga_mem_readl,
2171 static CPUWriteMemoryFunc *cirrus_vga_mem_write[3] = {
2172 cirrus_vga_mem_writeb,
2173 cirrus_vga_mem_writew,
2174 cirrus_vga_mem_writel,
2177 /***************************************
2181 ***************************************/
2183 static inline void invalidate_cursor1(CirrusVGAState *s)
2185 if (s->last_hw_cursor_size) {
2186 vga_invalidate_scanlines((VGAState *)s,
2187 s->last_hw_cursor_y + s->last_hw_cursor_y_start,
2188 s->last_hw_cursor_y + s->last_hw_cursor_y_end);
2192 static inline void cirrus_cursor_compute_yrange(CirrusVGAState *s)
2196 int y, y_min, y_max;
2198 src = s->vram_ptr + s->real_vram_size - 16 * 1024;
2199 if (s->sr[0x12] & CIRRUS_CURSOR_LARGE) {
2200 src += (s->sr[0x13] & 0x3c) * 256;
2203 for(y = 0; y < 64; y++) {
2204 content = ((uint32_t *)src)[0] |
2205 ((uint32_t *)src)[1] |
2206 ((uint32_t *)src)[2] |
2207 ((uint32_t *)src)[3];
2217 src += (s->sr[0x13] & 0x3f) * 256;
2220 for(y = 0; y < 32; y++) {
2221 content = ((uint32_t *)src)[0] |
2222 ((uint32_t *)(src + 128))[0];
2232 if (y_min > y_max) {
2233 s->last_hw_cursor_y_start = 0;
2234 s->last_hw_cursor_y_end = 0;
2236 s->last_hw_cursor_y_start = y_min;
2237 s->last_hw_cursor_y_end = y_max + 1;
2241 /* NOTE: we do not currently handle the cursor bitmap change, so we
2242 update the cursor only if it moves. */
2243 static void cirrus_cursor_invalidate(VGAState *s1)
2245 CirrusVGAState *s = (CirrusVGAState *)s1;
2248 if (!(s->sr[0x12] & CIRRUS_CURSOR_SHOW)) {
2251 if (s->sr[0x12] & CIRRUS_CURSOR_LARGE)
2256 /* invalidate last cursor and new cursor if any change */
2257 if (s->last_hw_cursor_size != size ||
2258 s->last_hw_cursor_x != s->hw_cursor_x ||
2259 s->last_hw_cursor_y != s->hw_cursor_y) {
2261 invalidate_cursor1(s);
2263 s->last_hw_cursor_size = size;
2264 s->last_hw_cursor_x = s->hw_cursor_x;
2265 s->last_hw_cursor_y = s->hw_cursor_y;
2266 /* compute the real cursor min and max y */
2267 cirrus_cursor_compute_yrange(s);
2268 invalidate_cursor1(s);
2272 static void cirrus_cursor_draw_line(VGAState *s1, uint8_t *d1, int scr_y)
2274 CirrusVGAState *s = (CirrusVGAState *)s1;
2275 int w, h, bpp, x1, x2, poffset;
2276 unsigned int color0, color1;
2277 const uint8_t *palette, *src;
2280 if (!(s->sr[0x12] & CIRRUS_CURSOR_SHOW))
2282 /* fast test to see if the cursor intersects with the scan line */
2283 if (s->sr[0x12] & CIRRUS_CURSOR_LARGE) {
2288 if (scr_y < s->hw_cursor_y ||
2289 scr_y >= (s->hw_cursor_y + h))
2292 src = s->vram_ptr + s->real_vram_size - 16 * 1024;
2293 if (s->sr[0x12] & CIRRUS_CURSOR_LARGE) {
2294 src += (s->sr[0x13] & 0x3c) * 256;
2295 src += (scr_y - s->hw_cursor_y) * 16;
2297 content = ((uint32_t *)src)[0] |
2298 ((uint32_t *)src)[1] |
2299 ((uint32_t *)src)[2] |
2300 ((uint32_t *)src)[3];
2302 src += (s->sr[0x13] & 0x3f) * 256;
2303 src += (scr_y - s->hw_cursor_y) * 4;
2305 content = ((uint32_t *)src)[0] |
2306 ((uint32_t *)(src + 128))[0];
2308 /* if nothing to draw, no need to continue */
2313 x1 = s->hw_cursor_x;
2314 if (x1 >= s->last_scr_width)
2316 x2 = s->hw_cursor_x + w;
2317 if (x2 > s->last_scr_width)
2318 x2 = s->last_scr_width;
2320 palette = s->cirrus_hidden_palette;
2321 color0 = s->rgb_to_pixel(c6_to_8(palette[0x0 * 3]),
2322 c6_to_8(palette[0x0 * 3 + 1]),
2323 c6_to_8(palette[0x0 * 3 + 2]));
2324 color1 = s->rgb_to_pixel(c6_to_8(palette[0xf * 3]),
2325 c6_to_8(palette[0xf * 3 + 1]),
2326 c6_to_8(palette[0xf * 3 + 2]));
2327 bpp = ((ds_get_bits_per_pixel(s->ds) + 7) >> 3);
2329 switch(ds_get_bits_per_pixel(s->ds)) {
2333 vga_draw_cursor_line_8(d1, src, poffset, w, color0, color1, 0xff);
2336 vga_draw_cursor_line_16(d1, src, poffset, w, color0, color1, 0x7fff);
2339 vga_draw_cursor_line_16(d1, src, poffset, w, color0, color1, 0xffff);
2342 vga_draw_cursor_line_32(d1, src, poffset, w, color0, color1, 0xffffff);
2347 /***************************************
2351 ***************************************/
2353 static uint32_t cirrus_linear_readb(void *opaque, target_phys_addr_t addr)
2355 CirrusVGAState *s = (CirrusVGAState *) opaque;
2358 addr &= s->cirrus_addr_mask;
2360 if (((s->sr[0x17] & 0x44) == 0x44) &&
2361 ((addr & s->linear_mmio_mask) == s->linear_mmio_mask)) {
2362 /* memory-mapped I/O */
2363 ret = cirrus_mmio_blt_read(s, addr & 0xff);
2365 /* XXX handle bitblt */
2369 if ((s->gr[0x0B] & 0x14) == 0x14) {
2371 } else if (s->gr[0x0B] & 0x02) {
2374 addr &= s->cirrus_addr_mask;
2375 ret = *(s->vram_ptr + addr);
2381 static uint32_t cirrus_linear_readw(void *opaque, target_phys_addr_t addr)
2384 #ifdef TARGET_WORDS_BIGENDIAN
2385 v = cirrus_linear_readb(opaque, addr) << 8;
2386 v |= cirrus_linear_readb(opaque, addr + 1);
2388 v = cirrus_linear_readb(opaque, addr);
2389 v |= cirrus_linear_readb(opaque, addr + 1) << 8;
2394 static uint32_t cirrus_linear_readl(void *opaque, target_phys_addr_t addr)
2397 #ifdef TARGET_WORDS_BIGENDIAN
2398 v = cirrus_linear_readb(opaque, addr) << 24;
2399 v |= cirrus_linear_readb(opaque, addr + 1) << 16;
2400 v |= cirrus_linear_readb(opaque, addr + 2) << 8;
2401 v |= cirrus_linear_readb(opaque, addr + 3);
2403 v = cirrus_linear_readb(opaque, addr);
2404 v |= cirrus_linear_readb(opaque, addr + 1) << 8;
2405 v |= cirrus_linear_readb(opaque, addr + 2) << 16;
2406 v |= cirrus_linear_readb(opaque, addr + 3) << 24;
2411 static void cirrus_linear_writeb(void *opaque, target_phys_addr_t addr,
2414 CirrusVGAState *s = (CirrusVGAState *) opaque;
2417 addr &= s->cirrus_addr_mask;
2419 if (((s->sr[0x17] & 0x44) == 0x44) &&
2420 ((addr & s->linear_mmio_mask) == s->linear_mmio_mask)) {
2421 /* memory-mapped I/O */
2422 cirrus_mmio_blt_write(s, addr & 0xff, val);
2423 } else if (s->cirrus_srcptr != s->cirrus_srcptr_end) {
2425 *s->cirrus_srcptr++ = (uint8_t) val;
2426 if (s->cirrus_srcptr >= s->cirrus_srcptr_end) {
2427 cirrus_bitblt_cputovideo_next(s);
2431 if ((s->gr[0x0B] & 0x14) == 0x14) {
2433 } else if (s->gr[0x0B] & 0x02) {
2436 addr &= s->cirrus_addr_mask;
2438 mode = s->gr[0x05] & 0x7;
2439 if (mode < 4 || mode > 5 || ((s->gr[0x0B] & 0x4) == 0)) {
2440 *(s->vram_ptr + addr) = (uint8_t) val;
2441 cpu_physical_memory_set_dirty(s->vram_offset + addr);
2443 if ((s->gr[0x0B] & 0x14) != 0x14) {
2444 cirrus_mem_writeb_mode4and5_8bpp(s, mode, addr, val);
2446 cirrus_mem_writeb_mode4and5_16bpp(s, mode, addr, val);
2452 static void cirrus_linear_writew(void *opaque, target_phys_addr_t addr,
2455 #ifdef TARGET_WORDS_BIGENDIAN
2456 cirrus_linear_writeb(opaque, addr, (val >> 8) & 0xff);
2457 cirrus_linear_writeb(opaque, addr + 1, val & 0xff);
2459 cirrus_linear_writeb(opaque, addr, val & 0xff);
2460 cirrus_linear_writeb(opaque, addr + 1, (val >> 8) & 0xff);
2464 static void cirrus_linear_writel(void *opaque, target_phys_addr_t addr,
2467 #ifdef TARGET_WORDS_BIGENDIAN
2468 cirrus_linear_writeb(opaque, addr, (val >> 24) & 0xff);
2469 cirrus_linear_writeb(opaque, addr + 1, (val >> 16) & 0xff);
2470 cirrus_linear_writeb(opaque, addr + 2, (val >> 8) & 0xff);
2471 cirrus_linear_writeb(opaque, addr + 3, val & 0xff);
2473 cirrus_linear_writeb(opaque, addr, val & 0xff);
2474 cirrus_linear_writeb(opaque, addr + 1, (val >> 8) & 0xff);
2475 cirrus_linear_writeb(opaque, addr + 2, (val >> 16) & 0xff);
2476 cirrus_linear_writeb(opaque, addr + 3, (val >> 24) & 0xff);
2481 static CPUReadMemoryFunc *cirrus_linear_read[3] = {
2482 cirrus_linear_readb,
2483 cirrus_linear_readw,
2484 cirrus_linear_readl,
2487 static CPUWriteMemoryFunc *cirrus_linear_write[3] = {
2488 cirrus_linear_writeb,
2489 cirrus_linear_writew,
2490 cirrus_linear_writel,
2493 static void cirrus_linear_mem_writeb(void *opaque, target_phys_addr_t addr,
2496 CirrusVGAState *s = (CirrusVGAState *) opaque;
2498 addr &= s->cirrus_addr_mask;
2499 *(s->vram_ptr + addr) = val;
2500 cpu_physical_memory_set_dirty(s->vram_offset + addr);
2503 static void cirrus_linear_mem_writew(void *opaque, target_phys_addr_t addr,
2506 CirrusVGAState *s = (CirrusVGAState *) opaque;
2508 addr &= s->cirrus_addr_mask;
2509 cpu_to_le16w((uint16_t *)(s->vram_ptr + addr), val);
2510 cpu_physical_memory_set_dirty(s->vram_offset + addr);
2513 static void cirrus_linear_mem_writel(void *opaque, target_phys_addr_t addr,
2516 CirrusVGAState *s = (CirrusVGAState *) opaque;
2518 addr &= s->cirrus_addr_mask;
2519 cpu_to_le32w((uint32_t *)(s->vram_ptr + addr), val);
2520 cpu_physical_memory_set_dirty(s->vram_offset + addr);
2523 /***************************************
2525 * system to screen memory access
2527 ***************************************/
2530 static uint32_t cirrus_linear_bitblt_readb(void *opaque, target_phys_addr_t addr)
2534 /* XXX handle bitblt */
2539 static uint32_t cirrus_linear_bitblt_readw(void *opaque, target_phys_addr_t addr)
2542 #ifdef TARGET_WORDS_BIGENDIAN
2543 v = cirrus_linear_bitblt_readb(opaque, addr) << 8;
2544 v |= cirrus_linear_bitblt_readb(opaque, addr + 1);
2546 v = cirrus_linear_bitblt_readb(opaque, addr);
2547 v |= cirrus_linear_bitblt_readb(opaque, addr + 1) << 8;
2552 static uint32_t cirrus_linear_bitblt_readl(void *opaque, target_phys_addr_t addr)
2555 #ifdef TARGET_WORDS_BIGENDIAN
2556 v = cirrus_linear_bitblt_readb(opaque, addr) << 24;
2557 v |= cirrus_linear_bitblt_readb(opaque, addr + 1) << 16;
2558 v |= cirrus_linear_bitblt_readb(opaque, addr + 2) << 8;
2559 v |= cirrus_linear_bitblt_readb(opaque, addr + 3);
2561 v = cirrus_linear_bitblt_readb(opaque, addr);
2562 v |= cirrus_linear_bitblt_readb(opaque, addr + 1) << 8;
2563 v |= cirrus_linear_bitblt_readb(opaque, addr + 2) << 16;
2564 v |= cirrus_linear_bitblt_readb(opaque, addr + 3) << 24;
2569 static void cirrus_linear_bitblt_writeb(void *opaque, target_phys_addr_t addr,
2572 CirrusVGAState *s = (CirrusVGAState *) opaque;
2574 if (s->cirrus_srcptr != s->cirrus_srcptr_end) {
2576 *s->cirrus_srcptr++ = (uint8_t) val;
2577 if (s->cirrus_srcptr >= s->cirrus_srcptr_end) {
2578 cirrus_bitblt_cputovideo_next(s);
2583 static void cirrus_linear_bitblt_writew(void *opaque, target_phys_addr_t addr,
2586 #ifdef TARGET_WORDS_BIGENDIAN
2587 cirrus_linear_bitblt_writeb(opaque, addr, (val >> 8) & 0xff);
2588 cirrus_linear_bitblt_writeb(opaque, addr + 1, val & 0xff);
2590 cirrus_linear_bitblt_writeb(opaque, addr, val & 0xff);
2591 cirrus_linear_bitblt_writeb(opaque, addr + 1, (val >> 8) & 0xff);
2595 static void cirrus_linear_bitblt_writel(void *opaque, target_phys_addr_t addr,
2598 #ifdef TARGET_WORDS_BIGENDIAN
2599 cirrus_linear_bitblt_writeb(opaque, addr, (val >> 24) & 0xff);
2600 cirrus_linear_bitblt_writeb(opaque, addr + 1, (val >> 16) & 0xff);
2601 cirrus_linear_bitblt_writeb(opaque, addr + 2, (val >> 8) & 0xff);
2602 cirrus_linear_bitblt_writeb(opaque, addr + 3, val & 0xff);
2604 cirrus_linear_bitblt_writeb(opaque, addr, val & 0xff);
2605 cirrus_linear_bitblt_writeb(opaque, addr + 1, (val >> 8) & 0xff);
2606 cirrus_linear_bitblt_writeb(opaque, addr + 2, (val >> 16) & 0xff);
2607 cirrus_linear_bitblt_writeb(opaque, addr + 3, (val >> 24) & 0xff);
2612 static CPUReadMemoryFunc *cirrus_linear_bitblt_read[3] = {
2613 cirrus_linear_bitblt_readb,
2614 cirrus_linear_bitblt_readw,
2615 cirrus_linear_bitblt_readl,
2618 static CPUWriteMemoryFunc *cirrus_linear_bitblt_write[3] = {
2619 cirrus_linear_bitblt_writeb,
2620 cirrus_linear_bitblt_writew,
2621 cirrus_linear_bitblt_writel,
2624 static void map_linear_vram(CirrusVGAState *s)
2626 vga_dirty_log_stop((VGAState *)s);
2628 if (!s->map_addr && s->lfb_addr && s->lfb_end) {
2629 s->map_addr = s->lfb_addr;
2630 s->map_end = s->lfb_end;
2631 cpu_register_physical_memory(s->map_addr, s->map_end - s->map_addr, s->vram_offset);
2637 s->lfb_vram_mapped = 0;
2639 cpu_register_physical_memory(isa_mem_base + 0xa0000, 0x8000,
2640 (s->vram_offset + s->cirrus_bank_base[0]) | IO_MEM_UNASSIGNED);
2641 cpu_register_physical_memory(isa_mem_base + 0xa8000, 0x8000,
2642 (s->vram_offset + s->cirrus_bank_base[1]) | IO_MEM_UNASSIGNED);
2643 if (!(s->cirrus_srcptr != s->cirrus_srcptr_end)
2644 && !((s->sr[0x07] & 0x01) == 0)
2645 && !((s->gr[0x0B] & 0x14) == 0x14)
2646 && !(s->gr[0x0B] & 0x02)) {
2648 vga_dirty_log_stop((VGAState *)s);
2649 cpu_register_physical_memory(isa_mem_base + 0xa0000, 0x8000,
2650 (s->vram_offset + s->cirrus_bank_base[0]) | IO_MEM_RAM);
2651 cpu_register_physical_memory(isa_mem_base + 0xa8000, 0x8000,
2652 (s->vram_offset + s->cirrus_bank_base[1]) | IO_MEM_RAM);
2654 s->lfb_vram_mapped = 1;
2657 cpu_register_physical_memory(isa_mem_base + 0xa0000, 0x20000,
2661 vga_dirty_log_start((VGAState *)s);
2664 static void unmap_linear_vram(CirrusVGAState *s)
2666 vga_dirty_log_stop((VGAState *)s);
2668 if (s->map_addr && s->lfb_addr && s->lfb_end)
2669 s->map_addr = s->map_end = 0;
2671 cpu_register_physical_memory(isa_mem_base + 0xa0000, 0x20000,
2674 vga_dirty_log_start((VGAState *)s);
2677 /* Compute the memory access functions */
2678 static void cirrus_update_memory_access(CirrusVGAState *s)
2682 if ((s->sr[0x17] & 0x44) == 0x44) {
2684 } else if (s->cirrus_srcptr != s->cirrus_srcptr_end) {
2687 if ((s->gr[0x0B] & 0x14) == 0x14) {
2689 } else if (s->gr[0x0B] & 0x02) {
2693 mode = s->gr[0x05] & 0x7;
2694 if (mode < 4 || mode > 5 || ((s->gr[0x0B] & 0x4) == 0)) {
2696 s->cirrus_linear_write[0] = cirrus_linear_mem_writeb;
2697 s->cirrus_linear_write[1] = cirrus_linear_mem_writew;
2698 s->cirrus_linear_write[2] = cirrus_linear_mem_writel;
2701 unmap_linear_vram(s);
2702 s->cirrus_linear_write[0] = cirrus_linear_writeb;
2703 s->cirrus_linear_write[1] = cirrus_linear_writew;
2704 s->cirrus_linear_write[2] = cirrus_linear_writel;
2712 static uint32_t vga_ioport_read(void *opaque, uint32_t addr)
2714 CirrusVGAState *s = opaque;
2717 /* check port range access depending on color/monochrome mode */
2718 if ((addr >= 0x3b0 && addr <= 0x3bf && (s->msr & MSR_COLOR_EMULATION))
2719 || (addr >= 0x3d0 && addr <= 0x3df
2720 && !(s->msr & MSR_COLOR_EMULATION))) {
2725 if (s->ar_flip_flop == 0) {
2732 index = s->ar_index & 0x1f;
2745 if (cirrus_hook_read_sr(s, s->sr_index, &val))
2747 val = s->sr[s->sr_index];
2748 #ifdef DEBUG_VGA_REG
2749 printf("vga: read SR%x = 0x%02x\n", s->sr_index, val);
2753 cirrus_read_hidden_dac(s, &val);
2759 val = s->dac_write_index;
2760 s->cirrus_hidden_dac_lockindex = 0;
2763 if (cirrus_hook_read_palette(s, &val))
2765 val = s->palette[s->dac_read_index * 3 + s->dac_sub_index];
2766 if (++s->dac_sub_index == 3) {
2767 s->dac_sub_index = 0;
2768 s->dac_read_index++;
2781 if (cirrus_hook_read_gr(s, s->gr_index, &val))
2783 val = s->gr[s->gr_index];
2784 #ifdef DEBUG_VGA_REG
2785 printf("vga: read GR%x = 0x%02x\n", s->gr_index, val);
2794 if (cirrus_hook_read_cr(s, s->cr_index, &val))
2796 val = s->cr[s->cr_index];
2797 #ifdef DEBUG_VGA_REG
2798 printf("vga: read CR%x = 0x%02x\n", s->cr_index, val);
2803 /* just toggle to fool polling */
2804 val = s->st01 = s->retrace((VGAState *) s);
2805 s->ar_flip_flop = 0;
2812 #if defined(DEBUG_VGA)
2813 printf("VGA: read addr=0x%04x data=0x%02x\n", addr, val);
2818 static void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val)
2820 CirrusVGAState *s = opaque;
2823 /* check port range access depending on color/monochrome mode */
2824 if ((addr >= 0x3b0 && addr <= 0x3bf && (s->msr & MSR_COLOR_EMULATION))
2825 || (addr >= 0x3d0 && addr <= 0x3df
2826 && !(s->msr & MSR_COLOR_EMULATION)))
2830 printf("VGA: write addr=0x%04x data=0x%02x\n", addr, val);
2835 if (s->ar_flip_flop == 0) {
2838 vga_update_resolution((VGAState *)s);
2840 index = s->ar_index & 0x1f;
2843 s->ar[index] = val & 0x3f;
2846 s->ar[index] = val & ~0x10;
2852 s->ar[index] = val & ~0xc0;
2855 s->ar[index] = val & ~0xf0;
2858 s->ar[index] = val & ~0xf0;
2864 s->ar_flip_flop ^= 1;
2867 s->msr = val & ~0x10;
2868 s->update_retrace_info((VGAState *) s);
2874 if (cirrus_hook_write_sr(s, s->sr_index, val))
2876 #ifdef DEBUG_VGA_REG
2877 printf("vga: write SR%x = 0x%02x\n", s->sr_index, val);
2879 s->sr[s->sr_index] = val & sr_mask[s->sr_index];
2880 if (s->sr_index == 1) s->update_retrace_info((VGAState *) s);
2883 cirrus_write_hidden_dac(s, val);
2886 s->dac_read_index = val;
2887 s->dac_sub_index = 0;
2891 s->dac_write_index = val;
2892 s->dac_sub_index = 0;
2896 if (cirrus_hook_write_palette(s, val))
2898 s->dac_cache[s->dac_sub_index] = val;
2899 if (++s->dac_sub_index == 3) {
2900 memcpy(&s->palette[s->dac_write_index * 3], s->dac_cache, 3);
2901 s->dac_sub_index = 0;
2902 s->dac_write_index++;
2909 if (cirrus_hook_write_gr(s, s->gr_index, val))
2911 #ifdef DEBUG_VGA_REG
2912 printf("vga: write GR%x = 0x%02x\n", s->gr_index, val);
2914 s->gr[s->gr_index] = val & gr_mask[s->gr_index];
2922 if (cirrus_hook_write_cr(s, s->cr_index, val))
2924 #ifdef DEBUG_VGA_REG
2925 printf("vga: write CR%x = 0x%02x\n", s->cr_index, val);
2927 /* handle CR0-7 protection */
2928 if ((s->cr[0x11] & 0x80) && s->cr_index <= 7) {
2929 /* can always write bit 4 of CR7 */
2930 if (s->cr_index == 7)
2931 s->cr[7] = (s->cr[7] & ~0x10) | (val & 0x10);
2932 vga_update_resolution((VGAState *)s);
2935 switch (s->cr_index) {
2936 case 0x01: /* horizontal display end */
2941 case 0x12: /* vertical display end */
2942 s->cr[s->cr_index] = val;
2946 s->cr[s->cr_index] = val;
2950 switch(s->cr_index) {
2958 s->update_retrace_info((VGAState *) s);
2961 vga_update_resolution((VGAState *)s);
2965 s->fcr = val & 0x10;
2970 /***************************************
2972 * memory-mapped I/O access
2974 ***************************************/
2976 static uint32_t cirrus_mmio_readb(void *opaque, target_phys_addr_t addr)
2978 CirrusVGAState *s = (CirrusVGAState *) opaque;
2980 addr &= CIRRUS_PNPMMIO_SIZE - 1;
2982 if (addr >= 0x100) {
2983 return cirrus_mmio_blt_read(s, addr - 0x100);
2985 return vga_ioport_read(s, addr + 0x3c0);
2989 static uint32_t cirrus_mmio_readw(void *opaque, target_phys_addr_t addr)
2992 #ifdef TARGET_WORDS_BIGENDIAN
2993 v = cirrus_mmio_readb(opaque, addr) << 8;
2994 v |= cirrus_mmio_readb(opaque, addr + 1);
2996 v = cirrus_mmio_readb(opaque, addr);
2997 v |= cirrus_mmio_readb(opaque, addr + 1) << 8;
3002 static uint32_t cirrus_mmio_readl(void *opaque, target_phys_addr_t addr)
3005 #ifdef TARGET_WORDS_BIGENDIAN
3006 v = cirrus_mmio_readb(opaque, addr) << 24;
3007 v |= cirrus_mmio_readb(opaque, addr + 1) << 16;
3008 v |= cirrus_mmio_readb(opaque, addr + 2) << 8;
3009 v |= cirrus_mmio_readb(opaque, addr + 3);
3011 v = cirrus_mmio_readb(opaque, addr);
3012 v |= cirrus_mmio_readb(opaque, addr + 1) << 8;
3013 v |= cirrus_mmio_readb(opaque, addr + 2) << 16;
3014 v |= cirrus_mmio_readb(opaque, addr + 3) << 24;
3019 static void cirrus_mmio_writeb(void *opaque, target_phys_addr_t addr,
3022 CirrusVGAState *s = (CirrusVGAState *) opaque;
3024 addr &= CIRRUS_PNPMMIO_SIZE - 1;
3026 if (addr >= 0x100) {
3027 cirrus_mmio_blt_write(s, addr - 0x100, val);
3029 vga_ioport_write(s, addr + 0x3c0, val);
3033 static void cirrus_mmio_writew(void *opaque, target_phys_addr_t addr,
3036 #ifdef TARGET_WORDS_BIGENDIAN
3037 cirrus_mmio_writeb(opaque, addr, (val >> 8) & 0xff);
3038 cirrus_mmio_writeb(opaque, addr + 1, val & 0xff);
3040 cirrus_mmio_writeb(opaque, addr, val & 0xff);
3041 cirrus_mmio_writeb(opaque, addr + 1, (val >> 8) & 0xff);
3045 static void cirrus_mmio_writel(void *opaque, target_phys_addr_t addr,
3048 #ifdef TARGET_WORDS_BIGENDIAN
3049 cirrus_mmio_writeb(opaque, addr, (val >> 24) & 0xff);
3050 cirrus_mmio_writeb(opaque, addr + 1, (val >> 16) & 0xff);
3051 cirrus_mmio_writeb(opaque, addr + 2, (val >> 8) & 0xff);
3052 cirrus_mmio_writeb(opaque, addr + 3, val & 0xff);
3054 cirrus_mmio_writeb(opaque, addr, val & 0xff);
3055 cirrus_mmio_writeb(opaque, addr + 1, (val >> 8) & 0xff);
3056 cirrus_mmio_writeb(opaque, addr + 2, (val >> 16) & 0xff);
3057 cirrus_mmio_writeb(opaque, addr + 3, (val >> 24) & 0xff);
3062 static CPUReadMemoryFunc *cirrus_mmio_read[3] = {
3068 static CPUWriteMemoryFunc *cirrus_mmio_write[3] = {
3074 /* load/save state */
3076 static void cirrus_vga_save(QEMUFile *f, void *opaque)
3078 CirrusVGAState *s = opaque;
3081 pci_device_save(s->pci_dev, f);
3083 qemu_put_be32s(f, &s->latch);
3084 qemu_put_8s(f, &s->sr_index);
3085 qemu_put_buffer(f, s->sr, 256);
3086 qemu_put_8s(f, &s->gr_index);
3087 qemu_put_8s(f, &s->cirrus_shadow_gr0);
3088 qemu_put_8s(f, &s->cirrus_shadow_gr1);
3089 qemu_put_buffer(f, s->gr + 2, 254);
3090 qemu_put_8s(f, &s->ar_index);
3091 qemu_put_buffer(f, s->ar, 21);
3092 qemu_put_be32(f, s->ar_flip_flop);
3093 qemu_put_8s(f, &s->cr_index);
3094 qemu_put_buffer(f, s->cr, 256);
3095 qemu_put_8s(f, &s->msr);
3096 qemu_put_8s(f, &s->fcr);
3097 qemu_put_8s(f, &s->st00);
3098 qemu_put_8s(f, &s->st01);
3100 qemu_put_8s(f, &s->dac_state);
3101 qemu_put_8s(f, &s->dac_sub_index);
3102 qemu_put_8s(f, &s->dac_read_index);
3103 qemu_put_8s(f, &s->dac_write_index);
3104 qemu_put_buffer(f, s->dac_cache, 3);
3105 qemu_put_buffer(f, s->palette, 768);
3107 qemu_put_be32(f, s->bank_offset);
3109 qemu_put_8s(f, &s->cirrus_hidden_dac_lockindex);
3110 qemu_put_8s(f, &s->cirrus_hidden_dac_data);
3112 qemu_put_be32s(f, &s->hw_cursor_x);
3113 qemu_put_be32s(f, &s->hw_cursor_y);
3114 /* XXX: we do not save the bitblt state - we assume we do not save
3115 the state when the blitter is active */
3118 static int cirrus_vga_load(QEMUFile *f, void *opaque, int version_id)
3120 CirrusVGAState *s = opaque;
3126 if (s->pci_dev && version_id >= 2) {
3127 ret = pci_device_load(s->pci_dev, f);
3132 qemu_get_be32s(f, &s->latch);
3133 qemu_get_8s(f, &s->sr_index);
3134 qemu_get_buffer(f, s->sr, 256);
3135 qemu_get_8s(f, &s->gr_index);
3136 qemu_get_8s(f, &s->cirrus_shadow_gr0);
3137 qemu_get_8s(f, &s->cirrus_shadow_gr1);
3138 s->gr[0x00] = s->cirrus_shadow_gr0 & 0x0f;
3139 s->gr[0x01] = s->cirrus_shadow_gr1 & 0x0f;
3140 qemu_get_buffer(f, s->gr + 2, 254);
3141 qemu_get_8s(f, &s->ar_index);
3142 qemu_get_buffer(f, s->ar, 21);
3143 s->ar_flip_flop=qemu_get_be32(f);
3144 qemu_get_8s(f, &s->cr_index);
3145 qemu_get_buffer(f, s->cr, 256);
3146 qemu_get_8s(f, &s->msr);
3147 qemu_get_8s(f, &s->fcr);
3148 qemu_get_8s(f, &s->st00);
3149 qemu_get_8s(f, &s->st01);
3151 qemu_get_8s(f, &s->dac_state);
3152 qemu_get_8s(f, &s->dac_sub_index);
3153 qemu_get_8s(f, &s->dac_read_index);
3154 qemu_get_8s(f, &s->dac_write_index);
3155 qemu_get_buffer(f, s->dac_cache, 3);
3156 qemu_get_buffer(f, s->palette, 768);
3158 s->bank_offset=qemu_get_be32(f);
3160 qemu_get_8s(f, &s->cirrus_hidden_dac_lockindex);
3161 qemu_get_8s(f, &s->cirrus_hidden_dac_data);
3163 qemu_get_be32s(f, &s->hw_cursor_x);
3164 qemu_get_be32s(f, &s->hw_cursor_y);
3166 cirrus_update_memory_access(s);
3168 vga_update_resolution((VGAState *)s);
3169 s->want_full_update = 1;
3170 cirrus_update_bank_ptr(s, 0);
3171 cirrus_update_bank_ptr(s, 1);
3175 /***************************************
3179 ***************************************/
3181 static void cirrus_reset(void *opaque)
3183 CirrusVGAState *s = opaque;
3186 unmap_linear_vram(s);
3188 if (s->device_id == CIRRUS_ID_CLGD5446) {
3189 /* 4MB 64 bit memory config, always PCI */
3190 s->sr[0x1F] = 0x2d; // MemClock
3191 s->gr[0x18] = 0x0f; // fastest memory configuration
3194 s->sr[0x15] = 0x04; /* memory size, 3=2MB, 4=4MB */
3196 s->sr[0x1F] = 0x22; // MemClock
3197 s->sr[0x0F] = CIRRUS_MEMSIZE_2M;
3198 s->sr[0x17] = s->bustype;
3199 s->sr[0x15] = 0x03; /* memory size, 3=2MB, 4=4MB */
3201 s->cr[0x27] = s->device_id;
3203 /* Win2K seems to assume that the pattern buffer is at 0xff
3205 memset(s->vram_ptr, 0xff, s->real_vram_size);
3207 s->cirrus_hidden_dac_lockindex = 5;
3208 s->cirrus_hidden_dac_data = 0;
3211 static void cirrus_init_common(CirrusVGAState * s, int device_id, int is_pci)
3218 for(i = 0;i < 256; i++)
3219 rop_to_index[i] = CIRRUS_ROP_NOP_INDEX; /* nop rop */
3220 rop_to_index[CIRRUS_ROP_0] = 0;
3221 rop_to_index[CIRRUS_ROP_SRC_AND_DST] = 1;
3222 rop_to_index[CIRRUS_ROP_NOP] = 2;
3223 rop_to_index[CIRRUS_ROP_SRC_AND_NOTDST] = 3;
3224 rop_to_index[CIRRUS_ROP_NOTDST] = 4;
3225 rop_to_index[CIRRUS_ROP_SRC] = 5;
3226 rop_to_index[CIRRUS_ROP_1] = 6;
3227 rop_to_index[CIRRUS_ROP_NOTSRC_AND_DST] = 7;
3228 rop_to_index[CIRRUS_ROP_SRC_XOR_DST] = 8;
3229 rop_to_index[CIRRUS_ROP_SRC_OR_DST] = 9;
3230 rop_to_index[CIRRUS_ROP_NOTSRC_OR_NOTDST] = 10;
3231 rop_to_index[CIRRUS_ROP_SRC_NOTXOR_DST] = 11;
3232 rop_to_index[CIRRUS_ROP_SRC_OR_NOTDST] = 12;
3233 rop_to_index[CIRRUS_ROP_NOTSRC] = 13;
3234 rop_to_index[CIRRUS_ROP_NOTSRC_OR_DST] = 14;
3235 rop_to_index[CIRRUS_ROP_NOTSRC_AND_NOTDST] = 15;
3236 s->device_id = device_id;
3238 s->bustype = CIRRUS_BUSTYPE_PCI;
3240 s->bustype = CIRRUS_BUSTYPE_ISA;
3243 register_ioport_write(0x3c0, 16, 1, vga_ioport_write, s);
3245 register_ioport_write(0x3b4, 2, 1, vga_ioport_write, s);
3246 register_ioport_write(0x3d4, 2, 1, vga_ioport_write, s);
3247 register_ioport_write(0x3ba, 1, 1, vga_ioport_write, s);
3248 register_ioport_write(0x3da, 1, 1, vga_ioport_write, s);
3250 register_ioport_read(0x3c0, 16, 1, vga_ioport_read, s);
3252 register_ioport_read(0x3b4, 2, 1, vga_ioport_read, s);
3253 register_ioport_read(0x3d4, 2, 1, vga_ioport_read, s);
3254 register_ioport_read(0x3ba, 1, 1, vga_ioport_read, s);
3255 register_ioport_read(0x3da, 1, 1, vga_ioport_read, s);
3257 s->vga_io_memory = cpu_register_io_memory(0, cirrus_vga_mem_read,
3258 cirrus_vga_mem_write, s);
3259 cpu_register_physical_memory(isa_mem_base + 0x000a0000, 0x20000,
3261 qemu_register_coalesced_mmio(isa_mem_base + 0x000a0000, 0x20000);
3263 /* I/O handler for LFB */
3264 s->cirrus_linear_io_addr =
3265 cpu_register_io_memory(0, cirrus_linear_read, cirrus_linear_write, s);
3266 s->cirrus_linear_write = cpu_get_io_memory_write(s->cirrus_linear_io_addr);
3268 /* I/O handler for LFB */
3269 s->cirrus_linear_bitblt_io_addr =
3270 cpu_register_io_memory(0, cirrus_linear_bitblt_read,
3271 cirrus_linear_bitblt_write, s);
3273 /* I/O handler for memory-mapped I/O */
3274 s->cirrus_mmio_io_addr =
3275 cpu_register_io_memory(0, cirrus_mmio_read, cirrus_mmio_write, s);
3278 (s->device_id == CIRRUS_ID_CLGD5446) ? 4096 * 1024 : 2048 * 1024;
3280 /* XXX: s->vram_size must be a power of two */
3281 s->cirrus_addr_mask = s->real_vram_size - 1;
3282 s->linear_mmio_mask = s->real_vram_size - 256;
3284 s->get_bpp = cirrus_get_bpp;
3285 s->get_offsets = cirrus_get_offsets;
3286 s->get_resolution = cirrus_get_resolution;
3287 s->cursor_invalidate = cirrus_cursor_invalidate;
3288 s->cursor_draw_line = cirrus_cursor_draw_line;
3290 qemu_register_reset(cirrus_reset, s);
3292 register_savevm("cirrus_vga", 0, 2, cirrus_vga_save, cirrus_vga_load, s);
3295 /***************************************
3299 ***************************************/
3301 void isa_cirrus_vga_init(uint8_t *vga_ram_base,
3302 ram_addr_t vga_ram_offset, int vga_ram_size)
3306 s = qemu_mallocz(sizeof(CirrusVGAState));
3308 vga_common_init((VGAState *)s,
3309 vga_ram_base, vga_ram_offset, vga_ram_size);
3310 cirrus_init_common(s, CIRRUS_ID_CLGD5430, 0);
3311 s->ds = graphic_console_init(s->update, s->invalidate,
3312 s->screen_dump, s->text_update, s);
3313 /* XXX ISA-LFB support */
3316 /***************************************
3320 ***************************************/
3322 static void cirrus_pci_lfb_map(PCIDevice *d, int region_num,
3323 uint32_t addr, uint32_t size, int type)
3325 CirrusVGAState *s = &((PCICirrusVGAState *)d)->cirrus_vga;
3327 vga_dirty_log_stop((VGAState *)s);
3329 /* XXX: add byte swapping apertures */
3330 cpu_register_physical_memory(addr, s->vram_size,
3331 s->cirrus_linear_io_addr);
3332 cpu_register_physical_memory(addr + 0x1000000, 0x400000,
3333 s->cirrus_linear_bitblt_io_addr);
3335 s->map_addr = s->map_end = 0;
3336 s->lfb_addr = addr & TARGET_PAGE_MASK;
3337 s->lfb_end = ((addr + VGA_RAM_SIZE) + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
3338 /* account for overflow */
3339 if (s->lfb_end < addr + VGA_RAM_SIZE)
3340 s->lfb_end = addr + VGA_RAM_SIZE;
3342 vga_dirty_log_start((VGAState *)s);
3345 static void cirrus_pci_mmio_map(PCIDevice *d, int region_num,
3346 uint32_t addr, uint32_t size, int type)
3348 CirrusVGAState *s = &((PCICirrusVGAState *)d)->cirrus_vga;
3350 cpu_register_physical_memory(addr, CIRRUS_PNPMMIO_SIZE,
3351 s->cirrus_mmio_io_addr);
3354 static void pci_cirrus_write_config(PCIDevice *d,
3355 uint32_t address, uint32_t val, int len)
3357 PCICirrusVGAState *pvs = container_of(d, PCICirrusVGAState, dev);
3358 CirrusVGAState *s = &pvs->cirrus_vga;
3360 vga_dirty_log_stop((VGAState *)s);
3362 pci_default_write_config(d, address, val, len);
3363 if (s->map_addr && pvs->dev.io_regions[0].addr == -1)
3365 cirrus_update_memory_access(s);
3367 vga_dirty_log_start((VGAState *)s);
3370 void pci_cirrus_vga_init(PCIBus *bus, uint8_t *vga_ram_base,
3371 ram_addr_t vga_ram_offset, int vga_ram_size)
3373 PCICirrusVGAState *d;
3378 device_id = CIRRUS_ID_CLGD5446;
3380 /* setup PCI configuration registers */
3381 d = (PCICirrusVGAState *)pci_register_device(bus, "Cirrus VGA",
3382 sizeof(PCICirrusVGAState),
3383 -1, NULL, pci_cirrus_write_config);
3384 pci_conf = d->dev.config;
3385 pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_CIRRUS);
3386 pci_config_set_device_id(pci_conf, device_id);
3387 pci_conf[0x04] = PCI_COMMAND_IOACCESS | PCI_COMMAND_MEMACCESS;
3388 pci_config_set_class(pci_conf, PCI_CLASS_DISPLAY_VGA);
3389 pci_conf[0x0e] = PCI_CLASS_HEADERTYPE_00h;
3393 vga_common_init((VGAState *)s,
3394 vga_ram_base, vga_ram_offset, vga_ram_size);
3395 cirrus_init_common(s, device_id, 1);
3397 s->ds = graphic_console_init(s->update, s->invalidate,
3398 s->screen_dump, s->text_update, s);
3400 s->pci_dev = (PCIDevice *)d;
3402 /* setup memory space */
3404 /* memory #1 memory-mapped I/O */
3405 /* XXX: s->vram_size must be a power of two */
3406 pci_register_io_region((PCIDevice *)d, 0, 0x2000000,
3407 PCI_ADDRESS_SPACE_MEM_PREFETCH, cirrus_pci_lfb_map);
3408 if (device_id == CIRRUS_ID_CLGD5446) {
3409 pci_register_io_region((PCIDevice *)d, 1, CIRRUS_PNPMMIO_SIZE,
3410 PCI_ADDRESS_SPACE_MEM, cirrus_pci_mmio_map);