]> Git Repo - qemu.git/blame - hw/display/cirrus_vga.c
projects / qemu.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Merge remote-tracking branch 'remotes/borntraeger/tags/s390x-20150609' into staging
[qemu.git] / hw / display / cirrus_vga.c
CommitLineData
e6e5ad80 1/*
aeb3c85f 2 * QEMU Cirrus CLGD 54xx VGA Emulator.
5fafdf24 3 *
e6e5ad80 4 * Copyright (c) 2004 Fabrice Bellard
aeb3c85f 5 * Copyright (c) 2004 Makoto Suzuki (suzu)
5fafdf24 6 *
e6e5ad80
FB		 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 */
aeb3c85f
FB		 25/*
26 * Reference: Finn Thogersons' VGADOC4b
27 * available at http://home.worldonline.dk/~finth/
28 */
83c9f4ca
PB		 29#include "hw/hw.h"
30#include "hw/pci/pci.h"
28ecbaee 31#include "ui/console.h"
d3c2343a 32#include "ui/pixel_ops.h"
47b43a1f 33#include "vga_int.h"
83c9f4ca 34#include "hw/loader.h"
e6e5ad80 35
a5082316
FB		 36/*
37 * TODO:
ad81218e 38 * - destination write mask support not complete (bits 5..7)
a5082316
FB		 39 * - optimize linear mappings
40 * - optimize bitblt functions
41 */
42
e36f36e1 43//#define DEBUG_CIRRUS
a21ae81d 44//#define DEBUG_BITBLT
e36f36e1 45
e6e5ad80
FB		 46/***************************************
47 *
48 * definitions
49 *
50 ***************************************/
51
e6e5ad80
FB		 52// ID
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)
a21ae81d 59#define CIRRUS_ID_CLGD5436 (0x2B<<2)
e6e5ad80
FB		 60#define CIRRUS_ID_CLGD5446 (0x2E<<2)
61
62// sequencer 0x07
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
72
73// sequencer 0x0f
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.
78
79// sequencer 0x12
80#define CIRRUS_CURSOR_SHOW 0x01
81#define CIRRUS_CURSOR_HIDDENPEL 0x02
82#define CIRRUS_CURSOR_LARGE 0x04 // 64x64 if set, 32x32 if clear
83
84// sequencer 0x17
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
92
93// control 0x0b
94#define CIRRUS_BANKING_DUAL 0x01
95#define CIRRUS_BANKING_GRANULARITY_16K 0x20 // set:16k, clear:4k
96
97// control 0x30
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
109
110// control 0x31
111#define CIRRUS_BLT_BUSY 0x01
112#define CIRRUS_BLT_START 0x02
113#define CIRRUS_BLT_RESET 0x04
114#define CIRRUS_BLT_FIFOUSED 0x10
a5082316 115#define CIRRUS_BLT_AUTOSTART 0x80
e6e5ad80
FB		 116
117// control 0x32
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
134
a5082316
FB		 135#define CIRRUS_ROP_NOP_INDEX 2
136#define CIRRUS_ROP_SRC_INDEX 5
137
a21ae81d 138// control 0x33
a5082316 139#define CIRRUS_BLTMODEEXT_SOLIDFILL 0x04
4c8732d7 140#define CIRRUS_BLTMODEEXT_COLOREXPINV 0x02
a5082316 141#define CIRRUS_BLTMODEEXT_DWORDGRANULARITY 0x01
a21ae81d 142
e6e5ad80
FB		 143// memory-mapped IO
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
173
a21ae81d 174#define CIRRUS_PNPMMIO_SIZE 0x1000
e6e5ad80 175
a5082316
FB		 176struct CirrusVGAState;
177typedef void (*cirrus_bitblt_rop_t) (struct CirrusVGAState *s,
178 uint8_t * dst, const uint8_t * src,
e6e5ad80
FB		 179 int dstpitch, int srcpitch,
180 int bltwidth, int bltheight);
a5082316
FB		 181typedef void (*cirrus_fill_t)(struct CirrusVGAState *s,
182 uint8_t *dst, int dst_pitch, int width, int height);
e6e5ad80
FB		 183
184typedef struct CirrusVGAState {
4e12cd94 185 VGACommonState vga;
e6e5ad80 186
c75e6d8e 187 MemoryRegion cirrus_vga_io;
b1950430
AK		 188 MemoryRegion cirrus_linear_io;
189 MemoryRegion cirrus_linear_bitblt_io;
190 MemoryRegion cirrus_mmio_io;
191 MemoryRegion pci_bar;
192 bool linear_vram; /* vga.vram mapped over cirrus_linear_io */
193 MemoryRegion low_mem_container; /* container for 0xa0000-0xc0000 */
194 MemoryRegion low_mem; /* always mapped, overridden by: */
7969d9ed 195 MemoryRegion cirrus_bank[2]; /* aliases at 0xa0000-0xb0000 */
e6e5ad80 196 uint32_t cirrus_addr_mask;
78e127ef 197 uint32_t linear_mmio_mask;
e6e5ad80
FB		 198 uint8_t cirrus_shadow_gr0;
199 uint8_t cirrus_shadow_gr1;
200 uint8_t cirrus_hidden_dac_lockindex;
201 uint8_t cirrus_hidden_dac_data;
202 uint32_t cirrus_bank_base[2];
203 uint32_t cirrus_bank_limit[2];
204 uint8_t cirrus_hidden_palette[48];
e6e5ad80
FB		 205 int cirrus_blt_pixelwidth;
206 int cirrus_blt_width;
207 int cirrus_blt_height;
208 int cirrus_blt_dstpitch;
209 int cirrus_blt_srcpitch;
a5082316
FB		 210 uint32_t cirrus_blt_fgcol;
211 uint32_t cirrus_blt_bgcol;
e6e5ad80
FB		 212 uint32_t cirrus_blt_dstaddr;
213 uint32_t cirrus_blt_srcaddr;
214 uint8_t cirrus_blt_mode;
a5082316 215 uint8_t cirrus_blt_modeext;
e6e5ad80 216 cirrus_bitblt_rop_t cirrus_rop;
a5082316 217#define CIRRUS_BLTBUFSIZE (2048 * 4) /* one line width */
e6e5ad80
FB		 218 uint8_t cirrus_bltbuf[CIRRUS_BLTBUFSIZE];
219 uint8_t *cirrus_srcptr;
220 uint8_t *cirrus_srcptr_end;
221 uint32_t cirrus_srccounter;
a5082316
FB		 222 /* hwcursor display state */
223 int last_hw_cursor_size;
224 int last_hw_cursor_x;
225 int last_hw_cursor_y;
226 int last_hw_cursor_y_start;
227 int last_hw_cursor_y_end;
78e127ef 228 int real_vram_size; /* XXX: suppress that */
4abc796d
BS		 229 int device_id;
230 int bustype;
e6e5ad80
FB		 231} CirrusVGAState;
232
233typedef struct PCICirrusVGAState {
234 PCIDevice dev;
235 CirrusVGAState cirrus_vga;
236} PCICirrusVGAState;
237
d338bae3
GA		 238#define TYPE_PCI_CIRRUS_VGA "cirrus-vga"
239#define PCI_CIRRUS_VGA(obj) \
240 OBJECT_CHECK(PCICirrusVGAState, (obj), TYPE_PCI_CIRRUS_VGA)
241
6d4c2f17
AF		 242#define TYPE_ISA_CIRRUS_VGA "isa-cirrus-vga"
243#define ISA_CIRRUS_VGA(obj) \
244 OBJECT_CHECK(ISACirrusVGAState, (obj), TYPE_ISA_CIRRUS_VGA)
245
3d402831 246typedef struct ISACirrusVGAState {
6d4c2f17
AF		 247 ISADevice parent_obj;
248
3d402831
BS		 249 CirrusVGAState cirrus_vga;
250} ISACirrusVGAState;
251
a5082316 252static uint8_t rop_to_index[256];
3b46e624 253
e6e5ad80
FB		 254/***************************************
255 *
256 * prototypes.
257 *
258 ***************************************/
259
260
8926b517
FB		 261static void cirrus_bitblt_reset(CirrusVGAState *s);
262static void cirrus_update_memory_access(CirrusVGAState *s);
e6e5ad80
FB		 263
264/***************************************
265 *
266 * raster operations
267 *
268 ***************************************/
269
d3532a0d
GH		 270static bool blit_region_is_unsafe(struct CirrusVGAState *s,
271 int32_t pitch, int32_t addr)
272{
273 if (pitch < 0) {
274 int64_t min = addr
275 + ((int64_t)s->cirrus_blt_height-1) * pitch;
276 int32_t max = addr
277 + s->cirrus_blt_width;
278 if (min < 0 || max >= s->vga.vram_size) {
279 return true;
280 }
281 } else {
282 int64_t max = addr
283 + ((int64_t)s->cirrus_blt_height-1) * pitch
284 + s->cirrus_blt_width;
285 if (max >= s->vga.vram_size) {
286 return true;
287 }
288 }
289 return false;
290}
291
292static bool blit_is_unsafe(struct CirrusVGAState *s)
293{
294 /* should be the case, see cirrus_bitblt_start */
295 assert(s->cirrus_blt_width > 0);
296 assert(s->cirrus_blt_height > 0);
297
bf259833
GH		 298 if (s->cirrus_blt_width > CIRRUS_BLTBUFSIZE) {
299 return true;
300 }
301
d3532a0d
GH		 302 if (blit_region_is_unsafe(s, s->cirrus_blt_dstpitch,
303 s->cirrus_blt_dstaddr & s->cirrus_addr_mask)) {
304 return true;
305 }
306 if (blit_region_is_unsafe(s, s->cirrus_blt_srcpitch,
307 s->cirrus_blt_srcaddr & s->cirrus_addr_mask)) {
308 return true;
309 }
310
311 return false;
312}
313
a5082316
FB		 314static void cirrus_bitblt_rop_nop(CirrusVGAState *s,
315 uint8_t *dst,const uint8_t *src,
316 int dstpitch,int srcpitch,
317 int bltwidth,int bltheight)
318{
e6e5ad80
FB		 319}
320
a5082316
FB		 321static void cirrus_bitblt_fill_nop(CirrusVGAState *s,
322 uint8_t *dst,
323 int dstpitch, int bltwidth,int bltheight)
e6e5ad80 324{
a5082316 325}
e6e5ad80 326
a5082316 327#define ROP_NAME 0
8c78881f 328#define ROP_FN(d, s) 0
47b43a1f 329#include "cirrus_vga_rop.h"
e6e5ad80 330
a5082316 331#define ROP_NAME src_and_dst
8c78881f 332#define ROP_FN(d, s) (s) & (d)
47b43a1f 333#include "cirrus_vga_rop.h"
e6e5ad80 334
a5082316 335#define ROP_NAME src_and_notdst
8c78881f 336#define ROP_FN(d, s) (s) & (~(d))
47b43a1f 337#include "cirrus_vga_rop.h"
e6e5ad80 338
a5082316 339#define ROP_NAME notdst
8c78881f 340#define ROP_FN(d, s) ~(d)
47b43a1f 341#include "cirrus_vga_rop.h"
e6e5ad80 342
a5082316 343#define ROP_NAME src
8c78881f 344#define ROP_FN(d, s) s
47b43a1f 345#include "cirrus_vga_rop.h"
e6e5ad80 346
a5082316 347#define ROP_NAME 1
8c78881f 348#define ROP_FN(d, s) ~0
47b43a1f 349#include "cirrus_vga_rop.h"
a5082316
FB		 350
351#define ROP_NAME notsrc_and_dst
8c78881f 352#define ROP_FN(d, s) (~(s)) & (d)
47b43a1f 353#include "cirrus_vga_rop.h"
a5082316
FB		 354
355#define ROP_NAME src_xor_dst
8c78881f 356#define ROP_FN(d, s) (s) ^ (d)
47b43a1f 357#include "cirrus_vga_rop.h"
a5082316
FB		 358
359#define ROP_NAME src_or_dst
8c78881f 360#define ROP_FN(d, s) (s) | (d)
47b43a1f 361#include "cirrus_vga_rop.h"
a5082316
FB		 362
363#define ROP_NAME notsrc_or_notdst
8c78881f 364#define ROP_FN(d, s) (~(s)) | (~(d))
47b43a1f 365#include "cirrus_vga_rop.h"
a5082316
FB		 366
367#define ROP_NAME src_notxor_dst
8c78881f 368#define ROP_FN(d, s) ~((s) ^ (d))
47b43a1f 369#include "cirrus_vga_rop.h"
e6e5ad80 370
a5082316 371#define ROP_NAME src_or_notdst
8c78881f 372#define ROP_FN(d, s) (s) | (~(d))
47b43a1f 373#include "cirrus_vga_rop.h"
a5082316
FB		 374
375#define ROP_NAME notsrc
8c78881f 376#define ROP_FN(d, s) (~(s))
47b43a1f 377#include "cirrus_vga_rop.h"
a5082316
FB		 378
379#define ROP_NAME notsrc_or_dst
8c78881f 380#define ROP_FN(d, s) (~(s)) | (d)
47b43a1f 381#include "cirrus_vga_rop.h"
a5082316
FB		 382
383#define ROP_NAME notsrc_and_notdst
8c78881f 384#define ROP_FN(d, s) (~(s)) & (~(d))
47b43a1f 385#include "cirrus_vga_rop.h"
a5082316
FB		 386
387static const cirrus_bitblt_rop_t cirrus_fwd_rop[16] = {
388 cirrus_bitblt_rop_fwd_0,
389 cirrus_bitblt_rop_fwd_src_and_dst,
390 cirrus_bitblt_rop_nop,
391 cirrus_bitblt_rop_fwd_src_and_notdst,
392 cirrus_bitblt_rop_fwd_notdst,
393 cirrus_bitblt_rop_fwd_src,
394 cirrus_bitblt_rop_fwd_1,
395 cirrus_bitblt_rop_fwd_notsrc_and_dst,
396 cirrus_bitblt_rop_fwd_src_xor_dst,
397 cirrus_bitblt_rop_fwd_src_or_dst,
398 cirrus_bitblt_rop_fwd_notsrc_or_notdst,
399 cirrus_bitblt_rop_fwd_src_notxor_dst,
400 cirrus_bitblt_rop_fwd_src_or_notdst,
401 cirrus_bitblt_rop_fwd_notsrc,
402 cirrus_bitblt_rop_fwd_notsrc_or_dst,
403 cirrus_bitblt_rop_fwd_notsrc_and_notdst,
404};
405
406static const cirrus_bitblt_rop_t cirrus_bkwd_rop[16] = {
407 cirrus_bitblt_rop_bkwd_0,
408 cirrus_bitblt_rop_bkwd_src_and_dst,
409 cirrus_bitblt_rop_nop,
410 cirrus_bitblt_rop_bkwd_src_and_notdst,
411 cirrus_bitblt_rop_bkwd_notdst,
412 cirrus_bitblt_rop_bkwd_src,
413 cirrus_bitblt_rop_bkwd_1,
414 cirrus_bitblt_rop_bkwd_notsrc_and_dst,
415 cirrus_bitblt_rop_bkwd_src_xor_dst,
416 cirrus_bitblt_rop_bkwd_src_or_dst,
417 cirrus_bitblt_rop_bkwd_notsrc_or_notdst,
418 cirrus_bitblt_rop_bkwd_src_notxor_dst,
419 cirrus_bitblt_rop_bkwd_src_or_notdst,
420 cirrus_bitblt_rop_bkwd_notsrc,
421 cirrus_bitblt_rop_bkwd_notsrc_or_dst,
422 cirrus_bitblt_rop_bkwd_notsrc_and_notdst,
423};
96cf2df8
TS		 424
425#define TRANSP_ROP(name) {\
426 name ## _8,\
427 name ## _16,\
428 }
429#define TRANSP_NOP(func) {\
430 func,\
431 func,\
432 }
433
434static const cirrus_bitblt_rop_t cirrus_fwd_transp_rop[16][2] = {
435 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_0),
436 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_and_dst),
437 TRANSP_NOP(cirrus_bitblt_rop_nop),
438 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_and_notdst),
439 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notdst),
440 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src),
441 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_1),
442 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_and_dst),
443 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_xor_dst),
444 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_or_dst),
445 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_or_notdst),
446 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_notxor_dst),
447 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_or_notdst),
448 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc),
449 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_or_dst),
450 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_and_notdst),
451};
452
453static const cirrus_bitblt_rop_t cirrus_bkwd_transp_rop[16][2] = {
454 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_0),
455 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_and_dst),
456 TRANSP_NOP(cirrus_bitblt_rop_nop),
457 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_and_notdst),
458 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notdst),
459 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src),
460 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_1),
461 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_and_dst),
462 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_xor_dst),
463 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_or_dst),
464 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_or_notdst),
465 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_notxor_dst),
466 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_or_notdst),
467 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc),
468 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_or_dst),
469 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_and_notdst),
470};
471
a5082316
FB		 472#define ROP2(name) {\
473 name ## _8,\
474 name ## _16,\
475 name ## _24,\
476 name ## _32,\
477 }
478
479#define ROP_NOP2(func) {\
480 func,\
481 func,\
482 func,\
483 func,\
484 }
485
e69390ce
FB		 486static const cirrus_bitblt_rop_t cirrus_patternfill[16][4] = {
487 ROP2(cirrus_patternfill_0),
488 ROP2(cirrus_patternfill_src_and_dst),
489 ROP_NOP2(cirrus_bitblt_rop_nop),
490 ROP2(cirrus_patternfill_src_and_notdst),
491 ROP2(cirrus_patternfill_notdst),
492 ROP2(cirrus_patternfill_src),
493 ROP2(cirrus_patternfill_1),
494 ROP2(cirrus_patternfill_notsrc_and_dst),
495 ROP2(cirrus_patternfill_src_xor_dst),
496 ROP2(cirrus_patternfill_src_or_dst),
497 ROP2(cirrus_patternfill_notsrc_or_notdst),
498 ROP2(cirrus_patternfill_src_notxor_dst),
499 ROP2(cirrus_patternfill_src_or_notdst),
500 ROP2(cirrus_patternfill_notsrc),
501 ROP2(cirrus_patternfill_notsrc_or_dst),
502 ROP2(cirrus_patternfill_notsrc_and_notdst),
503};
504
a5082316
FB		 505static const cirrus_bitblt_rop_t cirrus_colorexpand_transp[16][4] = {
506 ROP2(cirrus_colorexpand_transp_0),
507 ROP2(cirrus_colorexpand_transp_src_and_dst),
508 ROP_NOP2(cirrus_bitblt_rop_nop),
509 ROP2(cirrus_colorexpand_transp_src_and_notdst),
510 ROP2(cirrus_colorexpand_transp_notdst),
511 ROP2(cirrus_colorexpand_transp_src),
512 ROP2(cirrus_colorexpand_transp_1),
513 ROP2(cirrus_colorexpand_transp_notsrc_and_dst),
514 ROP2(cirrus_colorexpand_transp_src_xor_dst),
515 ROP2(cirrus_colorexpand_transp_src_or_dst),
516 ROP2(cirrus_colorexpand_transp_notsrc_or_notdst),
517 ROP2(cirrus_colorexpand_transp_src_notxor_dst),
518 ROP2(cirrus_colorexpand_transp_src_or_notdst),
519 ROP2(cirrus_colorexpand_transp_notsrc),
520 ROP2(cirrus_colorexpand_transp_notsrc_or_dst),
521 ROP2(cirrus_colorexpand_transp_notsrc_and_notdst),
522};
523
524static const cirrus_bitblt_rop_t cirrus_colorexpand[16][4] = {
525 ROP2(cirrus_colorexpand_0),
526 ROP2(cirrus_colorexpand_src_and_dst),
527 ROP_NOP2(cirrus_bitblt_rop_nop),
528 ROP2(cirrus_colorexpand_src_and_notdst),
529 ROP2(cirrus_colorexpand_notdst),
530 ROP2(cirrus_colorexpand_src),
531 ROP2(cirrus_colorexpand_1),
532 ROP2(cirrus_colorexpand_notsrc_and_dst),
533 ROP2(cirrus_colorexpand_src_xor_dst),
534 ROP2(cirrus_colorexpand_src_or_dst),
535 ROP2(cirrus_colorexpand_notsrc_or_notdst),
536 ROP2(cirrus_colorexpand_src_notxor_dst),
537 ROP2(cirrus_colorexpand_src_or_notdst),
538 ROP2(cirrus_colorexpand_notsrc),
539 ROP2(cirrus_colorexpand_notsrc_or_dst),
540 ROP2(cirrus_colorexpand_notsrc_and_notdst),
541};
542
b30d4608
FB		 543static const cirrus_bitblt_rop_t cirrus_colorexpand_pattern_transp[16][4] = {
544 ROP2(cirrus_colorexpand_pattern_transp_0),
545 ROP2(cirrus_colorexpand_pattern_transp_src_and_dst),
546 ROP_NOP2(cirrus_bitblt_rop_nop),
547 ROP2(cirrus_colorexpand_pattern_transp_src_and_notdst),
548 ROP2(cirrus_colorexpand_pattern_transp_notdst),
549 ROP2(cirrus_colorexpand_pattern_transp_src),
550 ROP2(cirrus_colorexpand_pattern_transp_1),
551 ROP2(cirrus_colorexpand_pattern_transp_notsrc_and_dst),
552 ROP2(cirrus_colorexpand_pattern_transp_src_xor_dst),
553 ROP2(cirrus_colorexpand_pattern_transp_src_or_dst),
554 ROP2(cirrus_colorexpand_pattern_transp_notsrc_or_notdst),
555 ROP2(cirrus_colorexpand_pattern_transp_src_notxor_dst),
556 ROP2(cirrus_colorexpand_pattern_transp_src_or_notdst),
557 ROP2(cirrus_colorexpand_pattern_transp_notsrc),
558 ROP2(cirrus_colorexpand_pattern_transp_notsrc_or_dst),
559 ROP2(cirrus_colorexpand_pattern_transp_notsrc_and_notdst),
560};
561
562static const cirrus_bitblt_rop_t cirrus_colorexpand_pattern[16][4] = {
563 ROP2(cirrus_colorexpand_pattern_0),
564 ROP2(cirrus_colorexpand_pattern_src_and_dst),
565 ROP_NOP2(cirrus_bitblt_rop_nop),
566 ROP2(cirrus_colorexpand_pattern_src_and_notdst),
567 ROP2(cirrus_colorexpand_pattern_notdst),
568 ROP2(cirrus_colorexpand_pattern_src),
569 ROP2(cirrus_colorexpand_pattern_1),
570 ROP2(cirrus_colorexpand_pattern_notsrc_and_dst),
571 ROP2(cirrus_colorexpand_pattern_src_xor_dst),
572 ROP2(cirrus_colorexpand_pattern_src_or_dst),
573 ROP2(cirrus_colorexpand_pattern_notsrc_or_notdst),
574 ROP2(cirrus_colorexpand_pattern_src_notxor_dst),
575 ROP2(cirrus_colorexpand_pattern_src_or_notdst),
576 ROP2(cirrus_colorexpand_pattern_notsrc),
577 ROP2(cirrus_colorexpand_pattern_notsrc_or_dst),
578 ROP2(cirrus_colorexpand_pattern_notsrc_and_notdst),
579};
580
a5082316
FB		 581static const cirrus_fill_t cirrus_fill[16][4] = {
582 ROP2(cirrus_fill_0),
583 ROP2(cirrus_fill_src_and_dst),
584 ROP_NOP2(cirrus_bitblt_fill_nop),
585 ROP2(cirrus_fill_src_and_notdst),
586 ROP2(cirrus_fill_notdst),
587 ROP2(cirrus_fill_src),
588 ROP2(cirrus_fill_1),
589 ROP2(cirrus_fill_notsrc_and_dst),
590 ROP2(cirrus_fill_src_xor_dst),
591 ROP2(cirrus_fill_src_or_dst),
592 ROP2(cirrus_fill_notsrc_or_notdst),
593 ROP2(cirrus_fill_src_notxor_dst),
594 ROP2(cirrus_fill_src_or_notdst),
595 ROP2(cirrus_fill_notsrc),
596 ROP2(cirrus_fill_notsrc_or_dst),
597 ROP2(cirrus_fill_notsrc_and_notdst),
598};
599
600static inline void cirrus_bitblt_fgcol(CirrusVGAState *s)
e6e5ad80 601{
a5082316
FB		 602 unsigned int color;
603 switch (s->cirrus_blt_pixelwidth) {
604 case 1:
605 s->cirrus_blt_fgcol = s->cirrus_shadow_gr1;
606 break;
607 case 2:
4e12cd94 608 color = s->cirrus_shadow_gr1 | (s->vga.gr[0x11] << 8);
a5082316
FB		 609 s->cirrus_blt_fgcol = le16_to_cpu(color);
610 break;
611 case 3:
5fafdf24 612 s->cirrus_blt_fgcol = s->cirrus_shadow_gr1 |
4e12cd94 613 (s->vga.gr[0x11] << 8) | (s->vga.gr[0x13] << 16);
a5082316
FB		 614 break;
615 default:
616 case 4:
4e12cd94
AK		 617 color = s->cirrus_shadow_gr1 | (s->vga.gr[0x11] << 8) |
618 (s->vga.gr[0x13] << 16) | (s->vga.gr[0x15] << 24);
a5082316
FB		 619 s->cirrus_blt_fgcol = le32_to_cpu(color);
620 break;
e6e5ad80
FB		 621 }
622}
623
a5082316 624static inline void cirrus_bitblt_bgcol(CirrusVGAState *s)
e6e5ad80 625{
a5082316 626 unsigned int color;
e6e5ad80
FB		 627 switch (s->cirrus_blt_pixelwidth) {
628 case 1:
a5082316
FB		 629 s->cirrus_blt_bgcol = s->cirrus_shadow_gr0;
630 break;
e6e5ad80 631 case 2:
4e12cd94 632 color = s->cirrus_shadow_gr0 | (s->vga.gr[0x10] << 8);
a5082316
FB		 633 s->cirrus_blt_bgcol = le16_to_cpu(color);
634 break;
e6e5ad80 635 case 3:
5fafdf24 636 s->cirrus_blt_bgcol = s->cirrus_shadow_gr0 |
4e12cd94 637 (s->vga.gr[0x10] << 8) | (s->vga.gr[0x12] << 16);
a5082316 638 break;
e6e5ad80 639 default:
a5082316 640 case 4:
4e12cd94
AK		 641 color = s->cirrus_shadow_gr0 | (s->vga.gr[0x10] << 8) |
642 (s->vga.gr[0x12] << 16) | (s->vga.gr[0x14] << 24);
a5082316
FB		 643 s->cirrus_blt_bgcol = le32_to_cpu(color);
644 break;
e6e5ad80
FB		 645 }
646}
647
648static void cirrus_invalidate_region(CirrusVGAState * s, int off_begin,
649 int off_pitch, int bytesperline,
650 int lines)
651{
652 int y;
653 int off_cur;
654 int off_cur_end;
655
656 for (y = 0; y < lines; y++) {
657 off_cur = off_begin;
b2eb849d 658 off_cur_end = (off_cur + bytesperline) & s->cirrus_addr_mask;
fd4aa979 659 memory_region_set_dirty(&s->vga.vram, off_cur, off_cur_end - off_cur);
e6e5ad80
FB		 660 off_begin += off_pitch;
661 }
662}
663
e6e5ad80
FB		 664static int cirrus_bitblt_common_patterncopy(CirrusVGAState * s,
665 const uint8_t * src)
666{
e6e5ad80 667 uint8_t *dst;
e6e5ad80 668
4e12cd94 669 dst = s->vga.vram_ptr + (s->cirrus_blt_dstaddr & s->cirrus_addr_mask);
b2eb849d 670
d3532a0d 671 if (blit_is_unsafe(s))
b2eb849d
AJ		 672 return 0;
673
e69390ce 674 (*s->cirrus_rop) (s, dst, src,
5fafdf24 675 s->cirrus_blt_dstpitch, 0,
e69390ce 676 s->cirrus_blt_width, s->cirrus_blt_height);
e6e5ad80 677 cirrus_invalidate_region(s, s->cirrus_blt_dstaddr,
e69390ce
FB		 678 s->cirrus_blt_dstpitch, s->cirrus_blt_width,
679 s->cirrus_blt_height);
e6e5ad80
FB		 680 return 1;
681}
682
a21ae81d
FB		 683/* fill */
684
a5082316 685static int cirrus_bitblt_solidfill(CirrusVGAState *s, int blt_rop)
a21ae81d 686{
a5082316 687 cirrus_fill_t rop_func;
a21ae81d 688
d3532a0d 689 if (blit_is_unsafe(s)) {
b2eb849d 690 return 0;
d3532a0d 691 }
a5082316 692 rop_func = cirrus_fill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
4e12cd94 693 rop_func(s, s->vga.vram_ptr + (s->cirrus_blt_dstaddr & s->cirrus_addr_mask),
a5082316
FB		 694 s->cirrus_blt_dstpitch,
695 s->cirrus_blt_width, s->cirrus_blt_height);
a21ae81d
FB		 696 cirrus_invalidate_region(s, s->cirrus_blt_dstaddr,
697 s->cirrus_blt_dstpitch, s->cirrus_blt_width,
698 s->cirrus_blt_height);
699 cirrus_bitblt_reset(s);
700 return 1;
701}
702
e6e5ad80
FB		 703/***************************************
704 *
705 * bitblt (video-to-video)
706 *
707 ***************************************/
708
709static int cirrus_bitblt_videotovideo_patterncopy(CirrusVGAState * s)
710{
711 return cirrus_bitblt_common_patterncopy(s,
4e12cd94 712 s->vga.vram_ptr + ((s->cirrus_blt_srcaddr & ~7) &
b2eb849d 713 s->cirrus_addr_mask));
e6e5ad80
FB		 714}
715
24236869 716static void cirrus_do_copy(CirrusVGAState *s, int dst, int src, int w, int h)
e6e5ad80 717{
78935c4a
AJ		 718 int sx = 0, sy = 0;
719 int dx = 0, dy = 0;
720 int depth = 0;
24236869
FB		 721 int notify = 0;
722
92d675d1
AJ		 723 /* make sure to only copy if it's a plain copy ROP */
724 if (*s->cirrus_rop == cirrus_bitblt_rop_fwd_src ||
725 *s->cirrus_rop == cirrus_bitblt_rop_bkwd_src) {
24236869 726
92d675d1
AJ		 727 int width, height;
728
729 depth = s->vga.get_bpp(&s->vga) / 8;
730 s->vga.get_resolution(&s->vga, &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));
24236869 737
92d675d1
AJ		 738 /* normalize width */
739 w /= depth;
24236869 740
92d675d1
AJ		 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 }
24236869
FB		 758
759 /* we have to flush all pending changes so that the copy
760 is generated at the appropriate moment in time */
761 if (notify)
1dbfa005 762 graphic_hw_update(s->vga.con);
24236869 763
4e12cd94 764 (*s->cirrus_rop) (s, s->vga.vram_ptr +
b2eb849d 765 (s->cirrus_blt_dstaddr & s->cirrus_addr_mask),
4e12cd94 766 s->vga.vram_ptr +
b2eb849d 767 (s->cirrus_blt_srcaddr & s->cirrus_addr_mask),
e6e5ad80
FB		 768 s->cirrus_blt_dstpitch, s->cirrus_blt_srcpitch,
769 s->cirrus_blt_width, s->cirrus_blt_height);
24236869 770
c78f7137
GH		 771 if (notify) {
772 qemu_console_copy(s->vga.con,
38334f76
AZ		 773 sx, sy, dx, dy,
774 s->cirrus_blt_width / depth,
775 s->cirrus_blt_height);
c78f7137 776 }
24236869
FB		 777
778 /* we don't have to notify the display that this portion has
38334f76 779 changed since qemu_console_copy implies this */
24236869 780
31c05501
AL		 781 cirrus_invalidate_region(s, s->cirrus_blt_dstaddr,
782 s->cirrus_blt_dstpitch, s->cirrus_blt_width,
783 s->cirrus_blt_height);
24236869
FB		 784}
785
786static int cirrus_bitblt_videotovideo_copy(CirrusVGAState * s)
787{
d3532a0d 788 if (blit_is_unsafe(s))
65d35a09
AJ		 789 return 0;
790
4e12cd94
AK		 791 cirrus_do_copy(s, s->cirrus_blt_dstaddr - s->vga.start_addr,
792 s->cirrus_blt_srcaddr - s->vga.start_addr,
7d957bd8 793 s->cirrus_blt_width, s->cirrus_blt_height);
24236869 794
e6e5ad80
FB		 795 return 1;
796}
797
798/***************************************
799 *
800 * bitblt (cpu-to-video)
801 *
802 ***************************************/
803
e6e5ad80
FB		 804static void cirrus_bitblt_cputovideo_next(CirrusVGAState * s)
805{
806 int copy_count;
a5082316 807 uint8_t *end_ptr;
3b46e624 808
e6e5ad80 809 if (s->cirrus_srccounter > 0) {
a5082316
FB		 810 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) {
811 cirrus_bitblt_common_patterncopy(s, s->cirrus_bltbuf);
812 the_end:
813 s->cirrus_srccounter = 0;
814 cirrus_bitblt_reset(s);
815 } else {
816 /* at least one scan line */
817 do {
4e12cd94 818 (*s->cirrus_rop)(s, s->vga.vram_ptr +
b2eb849d
AJ		 819 (s->cirrus_blt_dstaddr & s->cirrus_addr_mask),
820 s->cirrus_bltbuf, 0, 0, s->cirrus_blt_width, 1);
a5082316
FB		 821 cirrus_invalidate_region(s, s->cirrus_blt_dstaddr, 0,
822 s->cirrus_blt_width, 1);
823 s->cirrus_blt_dstaddr += s->cirrus_blt_dstpitch;
824 s->cirrus_srccounter -= s->cirrus_blt_srcpitch;
825 if (s->cirrus_srccounter <= 0)
826 goto the_end;
66a0a2cb 827 /* more bytes than needed can be transferred because of
a5082316
FB		 828 word alignment, so we keep them for the next line */
829 /* XXX: keep alignment to speed up transfer */
830 end_ptr = s->cirrus_bltbuf + s->cirrus_blt_srcpitch;
831 copy_count = s->cirrus_srcptr_end - end_ptr;
832 memmove(s->cirrus_bltbuf, end_ptr, copy_count);
833 s->cirrus_srcptr = s->cirrus_bltbuf + copy_count;
834 s->cirrus_srcptr_end = s->cirrus_bltbuf + s->cirrus_blt_srcpitch;
835 } while (s->cirrus_srcptr >= s->cirrus_srcptr_end);
836 }
e6e5ad80
FB		 837 }
838}
839
840/***************************************
841 *
842 * bitblt wrapper
843 *
844 ***************************************/
845
846static void cirrus_bitblt_reset(CirrusVGAState * s)
847{
f8b237af
AL		 848 int need_update;
849
4e12cd94 850 s->vga.gr[0x31] &=
e6e5ad80 851 ~(CIRRUS_BLT_START | CIRRUS_BLT_BUSY | CIRRUS_BLT_FIFOUSED);
f8b237af
AL		 852 need_update = s->cirrus_srcptr != &s->cirrus_bltbuf[0]
853 || s->cirrus_srcptr_end != &s->cirrus_bltbuf[0];
e6e5ad80
FB		 854 s->cirrus_srcptr = &s->cirrus_bltbuf[0];
855 s->cirrus_srcptr_end = &s->cirrus_bltbuf[0];
856 s->cirrus_srccounter = 0;
f8b237af
AL		 857 if (!need_update)
858 return;
8926b517 859 cirrus_update_memory_access(s);
e6e5ad80
FB		 860}
861
862static int cirrus_bitblt_cputovideo(CirrusVGAState * s)
863{
a5082316
FB		 864 int w;
865
e6e5ad80
FB		 866 s->cirrus_blt_mode &= ~CIRRUS_BLTMODE_MEMSYSSRC;
867 s->cirrus_srcptr = &s->cirrus_bltbuf[0];
868 s->cirrus_srcptr_end = &s->cirrus_bltbuf[0];
869
870 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) {
871 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) {
a5082316 872 s->cirrus_blt_srcpitch = 8;
e6e5ad80 873 } else {
b30d4608 874 /* XXX: check for 24 bpp */
a5082316 875 s->cirrus_blt_srcpitch = 8 * 8 * s->cirrus_blt_pixelwidth;
e6e5ad80 876 }
a5082316 877 s->cirrus_srccounter = s->cirrus_blt_srcpitch;
e6e5ad80
FB		 878 } else {
879 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) {
a5082316 880 w = s->cirrus_blt_width / s->cirrus_blt_pixelwidth;
5fafdf24 881 if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_DWORDGRANULARITY)
a5082316
FB		 882 s->cirrus_blt_srcpitch = ((w + 31) >> 5);
883 else
884 s->cirrus_blt_srcpitch = ((w + 7) >> 3);
e6e5ad80 885 } else {
c9c0eae8
FB		 886 /* always align input size to 32 bits */
887 s->cirrus_blt_srcpitch = (s->cirrus_blt_width + 3) & ~3;
e6e5ad80 888 }
a5082316 889 s->cirrus_srccounter = s->cirrus_blt_srcpitch * s->cirrus_blt_height;
e6e5ad80 890 }
a5082316
FB		 891 s->cirrus_srcptr = s->cirrus_bltbuf;
892 s->cirrus_srcptr_end = s->cirrus_bltbuf + s->cirrus_blt_srcpitch;
8926b517 893 cirrus_update_memory_access(s);
e6e5ad80
FB		 894 return 1;
895}
896
897static int cirrus_bitblt_videotocpu(CirrusVGAState * s)
898{
899 /* XXX */
a5082316 900#ifdef DEBUG_BITBLT
e6e5ad80
FB		 901 printf("cirrus: bitblt (video to cpu) is not implemented yet\n");
902#endif
903 return 0;
904}
905
906static int cirrus_bitblt_videotovideo(CirrusVGAState * s)
907{
908 int ret;
909
910 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) {
911 ret = cirrus_bitblt_videotovideo_patterncopy(s);
912 } else {
913 ret = cirrus_bitblt_videotovideo_copy(s);
914 }
e6e5ad80
FB		 915 if (ret)
916 cirrus_bitblt_reset(s);
917 return ret;
918}
919
920static void cirrus_bitblt_start(CirrusVGAState * s)
921{
922 uint8_t blt_rop;
923
4e12cd94 924 s->vga.gr[0x31] |= CIRRUS_BLT_BUSY;
a5082316 925
4e12cd94
AK		 926 s->cirrus_blt_width = (s->vga.gr[0x20] | (s->vga.gr[0x21] << 8)) + 1;
927 s->cirrus_blt_height = (s->vga.gr[0x22] | (s->vga.gr[0x23] << 8)) + 1;
928 s->cirrus_blt_dstpitch = (s->vga.gr[0x24] | (s->vga.gr[0x25] << 8));
929 s->cirrus_blt_srcpitch = (s->vga.gr[0x26] | (s->vga.gr[0x27] << 8));
e6e5ad80 930 s->cirrus_blt_dstaddr =
4e12cd94 931 (s->vga.gr[0x28] | (s->vga.gr[0x29] << 8) | (s->vga.gr[0x2a] << 16));
e6e5ad80 932 s->cirrus_blt_srcaddr =
4e12cd94
AK		 933 (s->vga.gr[0x2c] | (s->vga.gr[0x2d] << 8) | (s->vga.gr[0x2e] << 16));
934 s->cirrus_blt_mode = s->vga.gr[0x30];
935 s->cirrus_blt_modeext = s->vga.gr[0x33];
936 blt_rop = s->vga.gr[0x32];
e6e5ad80 937
a21ae81d 938#ifdef DEBUG_BITBLT
0b74ed78 939 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",
5fafdf24 940 blt_rop,
a21ae81d 941 s->cirrus_blt_mode,
a5082316 942 s->cirrus_blt_modeext,
a21ae81d
FB		 943 s->cirrus_blt_width,
944 s->cirrus_blt_height,
945 s->cirrus_blt_dstpitch,
946 s->cirrus_blt_srcpitch,
947 s->cirrus_blt_dstaddr,
a5082316 948 s->cirrus_blt_srcaddr,
4e12cd94 949 s->vga.gr[0x2f]);
a21ae81d
FB		 950#endif
951
e6e5ad80
FB		 952 switch (s->cirrus_blt_mode & CIRRUS_BLTMODE_PIXELWIDTHMASK) {
953 case CIRRUS_BLTMODE_PIXELWIDTH8:
954 s->cirrus_blt_pixelwidth = 1;
955 break;
956 case CIRRUS_BLTMODE_PIXELWIDTH16:
957 s->cirrus_blt_pixelwidth = 2;
958 break;
959 case CIRRUS_BLTMODE_PIXELWIDTH24:
960 s->cirrus_blt_pixelwidth = 3;
961 break;
962 case CIRRUS_BLTMODE_PIXELWIDTH32:
963 s->cirrus_blt_pixelwidth = 4;
964 break;
965 default:
a5082316 966#ifdef DEBUG_BITBLT
e6e5ad80
FB		 967 printf("cirrus: bitblt - pixel width is unknown\n");
968#endif
969 goto bitblt_ignore;
970 }
971 s->cirrus_blt_mode &= ~CIRRUS_BLTMODE_PIXELWIDTHMASK;
972
973 if ((s->
974 cirrus_blt_mode & (CIRRUS_BLTMODE_MEMSYSSRC |
975 CIRRUS_BLTMODE_MEMSYSDEST))
976 == (CIRRUS_BLTMODE_MEMSYSSRC | CIRRUS_BLTMODE_MEMSYSDEST)) {
a5082316 977#ifdef DEBUG_BITBLT
e6e5ad80
FB		 978 printf("cirrus: bitblt - memory-to-memory copy is requested\n");
979#endif
980 goto bitblt_ignore;
981 }
982
a5082316 983 if ((s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_SOLIDFILL) &&
5fafdf24 984 (s->cirrus_blt_mode & (CIRRUS_BLTMODE_MEMSYSDEST |
a21ae81d 985 CIRRUS_BLTMODE_TRANSPARENTCOMP |
5fafdf24
TS		 986 CIRRUS_BLTMODE_PATTERNCOPY |
987 CIRRUS_BLTMODE_COLOREXPAND)) ==
a21ae81d 988 (CIRRUS_BLTMODE_PATTERNCOPY | CIRRUS_BLTMODE_COLOREXPAND)) {
a5082316
FB		 989 cirrus_bitblt_fgcol(s);
990 cirrus_bitblt_solidfill(s, blt_rop);
e6e5ad80 991 } else {
5fafdf24
TS		 992 if ((s->cirrus_blt_mode & (CIRRUS_BLTMODE_COLOREXPAND |
993 CIRRUS_BLTMODE_PATTERNCOPY)) ==
a5082316
FB		 994 CIRRUS_BLTMODE_COLOREXPAND) {
995
996 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) {
b30d4608 997 if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV)
4c8732d7 998 cirrus_bitblt_bgcol(s);
b30d4608 999 else
4c8732d7 1000 cirrus_bitblt_fgcol(s);
b30d4608 1001 s->cirrus_rop = cirrus_colorexpand_transp[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
a5082316
FB		 1002 } else {
1003 cirrus_bitblt_fgcol(s);
1004 cirrus_bitblt_bgcol(s);
1005 s->cirrus_rop = cirrus_colorexpand[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
1006 }
e69390ce 1007 } else if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) {
b30d4608
FB		 1008 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) {
1009 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) {
1010 if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV)
1011 cirrus_bitblt_bgcol(s);
1012 else
1013 cirrus_bitblt_fgcol(s);
1014 s->cirrus_rop = cirrus_colorexpand_pattern_transp[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
1015 } else {
1016 cirrus_bitblt_fgcol(s);
1017 cirrus_bitblt_bgcol(s);
1018 s->cirrus_rop = cirrus_colorexpand_pattern[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
1019 }
1020 } else {
1021 s->cirrus_rop = cirrus_patternfill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
1022 }
a21ae81d 1023 } else {
96cf2df8
TS		 1024 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) {
1025 if (s->cirrus_blt_pixelwidth > 2) {
1026 printf("src transparent without colorexpand must be 8bpp or 16bpp\n");
1027 goto bitblt_ignore;
1028 }
1029 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_BACKWARDS) {
1030 s->cirrus_blt_dstpitch = -s->cirrus_blt_dstpitch;
1031 s->cirrus_blt_srcpitch = -s->cirrus_blt_srcpitch;
1032 s->cirrus_rop = cirrus_bkwd_transp_rop[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
1033 } else {
1034 s->cirrus_rop = cirrus_fwd_transp_rop[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
1035 }
1036 } else {
1037 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_BACKWARDS) {
1038 s->cirrus_blt_dstpitch = -s->cirrus_blt_dstpitch;
1039 s->cirrus_blt_srcpitch = -s->cirrus_blt_srcpitch;
1040 s->cirrus_rop = cirrus_bkwd_rop[rop_to_index[blt_rop]];
1041 } else {
1042 s->cirrus_rop = cirrus_fwd_rop[rop_to_index[blt_rop]];
1043 }
1044 }
1045 }
a21ae81d
FB		 1046 // setup bitblt engine.
1047 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_MEMSYSSRC) {
1048 if (!cirrus_bitblt_cputovideo(s))
1049 goto bitblt_ignore;
1050 } else if (s->cirrus_blt_mode & CIRRUS_BLTMODE_MEMSYSDEST) {
1051 if (!cirrus_bitblt_videotocpu(s))
1052 goto bitblt_ignore;
1053 } else {
1054 if (!cirrus_bitblt_videotovideo(s))
1055 goto bitblt_ignore;
1056 }
e6e5ad80 1057 }
e6e5ad80
FB		 1058 return;
1059 bitblt_ignore:;
1060 cirrus_bitblt_reset(s);
1061}
1062
1063static void cirrus_write_bitblt(CirrusVGAState * s, unsigned reg_value)
1064{
1065 unsigned old_value;
1066
4e12cd94
AK		 1067 old_value = s->vga.gr[0x31];
1068 s->vga.gr[0x31] = reg_value;
e6e5ad80
FB		 1069
1070 if (((old_value & CIRRUS_BLT_RESET) != 0) &&
1071 ((reg_value & CIRRUS_BLT_RESET) == 0)) {
1072 cirrus_bitblt_reset(s);
1073 } else if (((old_value & CIRRUS_BLT_START) == 0) &&
1074 ((reg_value & CIRRUS_BLT_START) != 0)) {
e6e5ad80
FB		 1075 cirrus_bitblt_start(s);
1076 }
1077}
1078
1079
1080/***************************************
1081 *
1082 * basic parameters
1083 *
1084 ***************************************/
1085
a4a2f59c 1086static void cirrus_get_offsets(VGACommonState *s1,
83acc96b
FB		 1087 uint32_t *pline_offset,
1088 uint32_t *pstart_addr,
1089 uint32_t *pline_compare)
e6e5ad80 1090{
4e12cd94 1091 CirrusVGAState * s = container_of(s1, CirrusVGAState, vga);
83acc96b 1092 uint32_t start_addr, line_offset, line_compare;
e6e5ad80 1093
4e12cd94
AK		 1094 line_offset = s->vga.cr[0x13]
1095 | ((s->vga.cr[0x1b] & 0x10) << 4);
e6e5ad80
FB		 1096 line_offset <<= 3;
1097 *pline_offset = line_offset;
1098
4e12cd94
AK		 1099 start_addr = (s->vga.cr[0x0c] << 8)
1100 | s->vga.cr[0x0d]
1101 | ((s->vga.cr[0x1b] & 0x01) << 16)
1102 | ((s->vga.cr[0x1b] & 0x0c) << 15)
1103 | ((s->vga.cr[0x1d] & 0x80) << 12);
e6e5ad80 1104 *pstart_addr = start_addr;
83acc96b 1105
4e12cd94
AK		 1106 line_compare = s->vga.cr[0x18] |
1107 ((s->vga.cr[0x07] & 0x10) << 4) |
1108 ((s->vga.cr[0x09] & 0x40) << 3);
83acc96b 1109 *pline_compare = line_compare;
e6e5ad80
FB		 1110}
1111
1112static uint32_t cirrus_get_bpp16_depth(CirrusVGAState * s)
1113{
1114 uint32_t ret = 16;
1115
1116 switch (s->cirrus_hidden_dac_data & 0xf) {
1117 case 0:
1118 ret = 15;
1119 break; /* Sierra HiColor */
1120 case 1:
1121 ret = 16;
1122 break; /* XGA HiColor */
1123 default:
1124#ifdef DEBUG_CIRRUS
1125 printf("cirrus: invalid DAC value %x in 16bpp\n",
1126 (s->cirrus_hidden_dac_data & 0xf));
1127#endif
1128 ret = 15; /* XXX */
1129 break;
1130 }
1131 return ret;
1132}
1133
a4a2f59c 1134static int cirrus_get_bpp(VGACommonState *s1)
e6e5ad80 1135{
4e12cd94 1136 CirrusVGAState * s = container_of(s1, CirrusVGAState, vga);
e6e5ad80
FB		 1137 uint32_t ret = 8;
1138
4e12cd94 1139 if ((s->vga.sr[0x07] & 0x01) != 0) {
e6e5ad80 1140 /* Cirrus SVGA */
4e12cd94 1141 switch (s->vga.sr[0x07] & CIRRUS_SR7_BPP_MASK) {
e6e5ad80
FB		 1142 case CIRRUS_SR7_BPP_8:
1143 ret = 8;
1144 break;
1145 case CIRRUS_SR7_BPP_16_DOUBLEVCLK:
1146 ret = cirrus_get_bpp16_depth(s);
1147 break;
1148 case CIRRUS_SR7_BPP_24:
1149 ret = 24;
1150 break;
1151 case CIRRUS_SR7_BPP_16:
1152 ret = cirrus_get_bpp16_depth(s);
1153 break;
1154 case CIRRUS_SR7_BPP_32:
1155 ret = 32;
1156 break;
1157 default:
1158#ifdef DEBUG_CIRRUS
4e12cd94 1159 printf("cirrus: unknown bpp - sr7=%x\n", s->vga.sr[0x7]);
e6e5ad80
FB		 1160#endif
1161 ret = 8;
1162 break;
1163 }
1164 } else {
1165 /* VGA */
aeb3c85f 1166 ret = 0;
e6e5ad80
FB		 1167 }
1168
1169 return ret;
1170}
1171
a4a2f59c 1172static void cirrus_get_resolution(VGACommonState *s, int *pwidth, int *pheight)
78e127ef
FB		 1173{
1174 int width, height;
3b46e624 1175
78e127ef 1176 width = (s->cr[0x01] + 1) * 8;
5fafdf24
TS		 1177 height = s->cr[0x12] |
1178 ((s->cr[0x07] & 0x02) << 7) |
78e127ef
FB		 1179 ((s->cr[0x07] & 0x40) << 3);
1180 height = (height + 1);
1181 /* interlace support */
1182 if (s->cr[0x1a] & 0x01)
1183 height = height * 2;
1184 *pwidth = width;
1185 *pheight = height;
1186}
1187
e6e5ad80
FB		 1188/***************************************
1189 *
1190 * bank memory
1191 *
1192 ***************************************/
1193
1194static void cirrus_update_bank_ptr(CirrusVGAState * s, unsigned bank_index)
1195{
1196 unsigned offset;
1197 unsigned limit;
1198
4e12cd94
AK		 1199 if ((s->vga.gr[0x0b] & 0x01) != 0) /* dual bank */
1200 offset = s->vga.gr[0x09 + bank_index];
e6e5ad80 1201 else /* single bank */
4e12cd94 1202 offset = s->vga.gr[0x09];
e6e5ad80 1203
4e12cd94 1204 if ((s->vga.gr[0x0b] & 0x20) != 0)
e6e5ad80
FB		 1205 offset <<= 14;
1206 else
1207 offset <<= 12;
1208
e3a4e4b6 1209 if (s->real_vram_size <= offset)
e6e5ad80
FB		 1210 limit = 0;
1211 else
e3a4e4b6 1212 limit = s->real_vram_size - offset;
e6e5ad80 1213
4e12cd94 1214 if (((s->vga.gr[0x0b] & 0x01) == 0) && (bank_index != 0)) {
e6e5ad80
FB		 1215 if (limit > 0x8000) {
1216 offset += 0x8000;
1217 limit -= 0x8000;
1218 } else {
1219 limit = 0;
1220 }
1221 }
1222
1223 if (limit > 0) {
1224 s->cirrus_bank_base[bank_index] = offset;
1225 s->cirrus_bank_limit[bank_index] = limit;
1226 } else {
1227 s->cirrus_bank_base[bank_index] = 0;
1228 s->cirrus_bank_limit[bank_index] = 0;
1229 }
1230}
1231
1232/***************************************
1233 *
1234 * I/O access between 0x3c4-0x3c5
1235 *
1236 ***************************************/
1237
8a82c322 1238static int cirrus_vga_read_sr(CirrusVGAState * s)
e6e5ad80 1239{
8a82c322 1240 switch (s->vga.sr_index) {
e6e5ad80
FB		 1241 case 0x00: // Standard VGA
1242 case 0x01: // Standard VGA
1243 case 0x02: // Standard VGA
1244 case 0x03: // Standard VGA
1245 case 0x04: // Standard VGA
8a82c322 1246 return s->vga.sr[s->vga.sr_index];
e6e5ad80 1247 case 0x06: // Unlock Cirrus extensions
8a82c322 1248 return s->vga.sr[s->vga.sr_index];
e6e5ad80
FB		 1249 case 0x10:
1250 case 0x30:
1251 case 0x50:
1252 case 0x70: // Graphics Cursor X
1253 case 0x90:
1254 case 0xb0:
1255 case 0xd0:
1256 case 0xf0: // Graphics Cursor X
8a82c322 1257 return s->vga.sr[0x10];
e6e5ad80
FB		 1258 case 0x11:
1259 case 0x31:
1260 case 0x51:
1261 case 0x71: // Graphics Cursor Y
1262 case 0x91:
1263 case 0xb1:
1264 case 0xd1:
a5082316 1265 case 0xf1: // Graphics Cursor Y
8a82c322 1266 return s->vga.sr[0x11];
aeb3c85f
FB		 1267 case 0x05: // ???
1268 case 0x07: // Extended Sequencer Mode
1269 case 0x08: // EEPROM Control
1270 case 0x09: // Scratch Register 0
1271 case 0x0a: // Scratch Register 1
1272 case 0x0b: // VCLK 0
1273 case 0x0c: // VCLK 1
1274 case 0x0d: // VCLK 2
1275 case 0x0e: // VCLK 3
1276 case 0x0f: // DRAM Control
e6e5ad80
FB		 1277 case 0x12: // Graphics Cursor Attribute
1278 case 0x13: // Graphics Cursor Pattern Address
1279 case 0x14: // Scratch Register 2
1280 case 0x15: // Scratch Register 3
1281 case 0x16: // Performance Tuning Register
1282 case 0x17: // Configuration Readback and Extended Control
1283 case 0x18: // Signature Generator Control
1284 case 0x19: // Signal Generator Result
1285 case 0x1a: // Signal Generator Result
1286 case 0x1b: // VCLK 0 Denominator & Post
1287 case 0x1c: // VCLK 1 Denominator & Post
1288 case 0x1d: // VCLK 2 Denominator & Post
1289 case 0x1e: // VCLK 3 Denominator & Post
1290 case 0x1f: // BIOS Write Enable and MCLK select
1291#ifdef DEBUG_CIRRUS
8a82c322 1292 printf("cirrus: handled inport sr_index %02x\n", s->vga.sr_index);
e6e5ad80 1293#endif
8a82c322 1294 return s->vga.sr[s->vga.sr_index];
e6e5ad80
FB		 1295 default:
1296#ifdef DEBUG_CIRRUS
8a82c322 1297 printf("cirrus: inport sr_index %02x\n", s->vga.sr_index);
e6e5ad80 1298#endif
8a82c322 1299 return 0xff;
e6e5ad80
FB		 1300 break;
1301 }
e6e5ad80
FB		 1302}
1303
31c63201 1304static void cirrus_vga_write_sr(CirrusVGAState * s, uint32_t val)
e6e5ad80 1305{
31c63201 1306 switch (s->vga.sr_index) {
e6e5ad80
FB		 1307 case 0x00: // Standard VGA
1308 case 0x01: // Standard VGA
1309 case 0x02: // Standard VGA
1310 case 0x03: // Standard VGA
1311 case 0x04: // Standard VGA
31c63201
JQ		 1312 s->vga.sr[s->vga.sr_index] = val & sr_mask[s->vga.sr_index];
1313 if (s->vga.sr_index == 1)
1314 s->vga.update_retrace_info(&s->vga);
1315 break;
e6e5ad80 1316 case 0x06: // Unlock Cirrus extensions
31c63201
JQ		 1317 val &= 0x17;
1318 if (val == 0x12) {
1319 s->vga.sr[s->vga.sr_index] = 0x12;
e6e5ad80 1320 } else {
31c63201 1321 s->vga.sr[s->vga.sr_index] = 0x0f;
e6e5ad80
FB		 1322 }
1323 break;
1324 case 0x10:
1325 case 0x30:
1326 case 0x50:
1327 case 0x70: // Graphics Cursor X
1328 case 0x90:
1329 case 0xb0:
1330 case 0xd0:
1331 case 0xf0: // Graphics Cursor X
31c63201 1332 s->vga.sr[0x10] = val;
22382bb9 1333 s->vga.hw_cursor_x = (val << 3) | (s->vga.sr_index >> 5);
e6e5ad80
FB		 1334 break;
1335 case 0x11:
1336 case 0x31:
1337 case 0x51:
1338 case 0x71: // Graphics Cursor Y
1339 case 0x91:
1340 case 0xb1:
1341 case 0xd1:
1342 case 0xf1: // Graphics Cursor Y
31c63201 1343 s->vga.sr[0x11] = val;
22382bb9 1344 s->vga.hw_cursor_y = (val << 3) | (s->vga.sr_index >> 5);
e6e5ad80
FB		 1345 break;
1346 case 0x07: // Extended Sequencer Mode
2bec46dc 1347 cirrus_update_memory_access(s);
e6e5ad80
FB		 1348 case 0x08: // EEPROM Control
1349 case 0x09: // Scratch Register 0
1350 case 0x0a: // Scratch Register 1
1351 case 0x0b: // VCLK 0
1352 case 0x0c: // VCLK 1
1353 case 0x0d: // VCLK 2
1354 case 0x0e: // VCLK 3
1355 case 0x0f: // DRAM Control
e6e5ad80
FB		 1356 case 0x13: // Graphics Cursor Pattern Address
1357 case 0x14: // Scratch Register 2
1358 case 0x15: // Scratch Register 3
1359 case 0x16: // Performance Tuning Register
e6e5ad80
FB		 1360 case 0x18: // Signature Generator Control
1361 case 0x19: // Signature Generator Result
1362 case 0x1a: // Signature Generator Result
1363 case 0x1b: // VCLK 0 Denominator & Post
1364 case 0x1c: // VCLK 1 Denominator & Post
1365 case 0x1d: // VCLK 2 Denominator & Post
1366 case 0x1e: // VCLK 3 Denominator & Post
1367 case 0x1f: // BIOS Write Enable and MCLK select
31c63201 1368 s->vga.sr[s->vga.sr_index] = val;
e6e5ad80
FB		 1369#ifdef DEBUG_CIRRUS
1370 printf("cirrus: handled outport sr_index %02x, sr_value %02x\n",
31c63201 1371 s->vga.sr_index, val);
e6e5ad80
FB		 1372#endif
1373 break;
b9fd11b8
BH		 1374 case 0x12: // Graphics Cursor Attribute
1375 s->vga.sr[0x12] = val;
1376 s->vga.force_shadow = !!(val & CIRRUS_CURSOR_SHOW);
1377#ifdef DEBUG_CIRRUS
1378 printf("cirrus: cursor ctl SR12=%02x (force shadow: %d)\n",
1379 val, s->vga.force_shadow);
1380#endif
1381 break;
8926b517 1382 case 0x17: // Configuration Readback and Extended Control
31c63201
JQ		 1383 s->vga.sr[s->vga.sr_index] = (s->vga.sr[s->vga.sr_index] & 0x38)
1384 | (val & 0xc7);
8926b517
FB		 1385 cirrus_update_memory_access(s);
1386 break;
e6e5ad80
FB		 1387 default:
1388#ifdef DEBUG_CIRRUS
31c63201
JQ		 1389 printf("cirrus: outport sr_index %02x, sr_value %02x\n",
1390 s->vga.sr_index, val);
e6e5ad80
FB		 1391#endif
1392 break;
1393 }
e6e5ad80
FB		 1394}
1395
1396/***************************************
1397 *
1398 * I/O access at 0x3c6
1399 *
1400 ***************************************/
1401
957c9db5 1402static int cirrus_read_hidden_dac(CirrusVGAState * s)
e6e5ad80 1403{
a21ae81d 1404 if (++s->cirrus_hidden_dac_lockindex == 5) {
957c9db5
JQ		 1405 s->cirrus_hidden_dac_lockindex = 0;
1406 return s->cirrus_hidden_dac_data;
e6e5ad80 1407 }
957c9db5 1408 return 0xff;
e6e5ad80
FB		 1409}
1410
1411static void cirrus_write_hidden_dac(CirrusVGAState * s, int reg_value)
1412{
1413 if (s->cirrus_hidden_dac_lockindex == 4) {
1414 s->cirrus_hidden_dac_data = reg_value;
a21ae81d 1415#if defined(DEBUG_CIRRUS)
e6e5ad80
FB		 1416 printf("cirrus: outport hidden DAC, value %02x\n", reg_value);
1417#endif
1418 }
1419 s->cirrus_hidden_dac_lockindex = 0;
1420}
1421
1422/***************************************
1423 *
1424 * I/O access at 0x3c9
1425 *
1426 ***************************************/
1427
5deaeee3 1428static int cirrus_vga_read_palette(CirrusVGAState * s)
e6e5ad80 1429{
5deaeee3
JQ		 1430 int val;
1431
1432 if ((s->vga.sr[0x12] & CIRRUS_CURSOR_HIDDENPEL)) {
1433 val = s->cirrus_hidden_palette[(s->vga.dac_read_index & 0x0f) * 3 +
1434 s->vga.dac_sub_index];
1435 } else {
1436 val = s->vga.palette[s->vga.dac_read_index * 3 + s->vga.dac_sub_index];
1437 }
4e12cd94
AK		 1438 if (++s->vga.dac_sub_index == 3) {
1439 s->vga.dac_sub_index = 0;
1440 s->vga.dac_read_index++;
e6e5ad80 1441 }
5deaeee3 1442 return val;
e6e5ad80
FB		 1443}
1444
86948bb1 1445static void cirrus_vga_write_palette(CirrusVGAState * s, int reg_value)
e6e5ad80 1446{
4e12cd94
AK		 1447 s->vga.dac_cache[s->vga.dac_sub_index] = reg_value;
1448 if (++s->vga.dac_sub_index == 3) {
86948bb1
JQ		 1449 if ((s->vga.sr[0x12] & CIRRUS_CURSOR_HIDDENPEL)) {
1450 memcpy(&s->cirrus_hidden_palette[(s->vga.dac_write_index & 0x0f) * 3],
1451 s->vga.dac_cache, 3);
1452 } else {
1453 memcpy(&s->vga.palette[s->vga.dac_write_index * 3], s->vga.dac_cache, 3);
1454 }
a5082316 1455 /* XXX update cursor */
4e12cd94
AK		 1456 s->vga.dac_sub_index = 0;
1457 s->vga.dac_write_index++;
e6e5ad80 1458 }
e6e5ad80
FB		 1459}
1460
1461/***************************************
1462 *
1463 * I/O access between 0x3ce-0x3cf
1464 *
1465 ***************************************/
1466
f705db9d 1467static int cirrus_vga_read_gr(CirrusVGAState * s, unsigned reg_index)
e6e5ad80
FB		 1468{
1469 switch (reg_index) {
aeb3c85f 1470 case 0x00: // Standard VGA, BGCOLOR 0x000000ff
f705db9d 1471 return s->cirrus_shadow_gr0;
aeb3c85f 1472 case 0x01: // Standard VGA, FGCOLOR 0x000000ff
f705db9d 1473 return s->cirrus_shadow_gr1;
e6e5ad80
FB		 1474 case 0x02: // Standard VGA
1475 case 0x03: // Standard VGA
1476 case 0x04: // Standard VGA
1477 case 0x06: // Standard VGA
1478 case 0x07: // Standard VGA
1479 case 0x08: // Standard VGA
f705db9d 1480 return s->vga.gr[s->vga.gr_index];
e6e5ad80
FB		 1481 case 0x05: // Standard VGA, Cirrus extended mode
1482 default:
1483 break;
1484 }
1485
1486 if (reg_index < 0x3a) {
f705db9d 1487 return s->vga.gr[reg_index];
e6e5ad80
FB		 1488 } else {
1489#ifdef DEBUG_CIRRUS
1490 printf("cirrus: inport gr_index %02x\n", reg_index);
1491#endif
f705db9d 1492 return 0xff;
e6e5ad80 1493 }
e6e5ad80
FB		 1494}
1495
22286bc6
JQ		 1496static void
1497cirrus_vga_write_gr(CirrusVGAState * s, unsigned reg_index, int reg_value)
e6e5ad80 1498{
a5082316
FB		 1499#if defined(DEBUG_BITBLT) && 0
1500 printf("gr%02x: %02x\n", reg_index, reg_value);
1501#endif
e6e5ad80
FB		 1502 switch (reg_index) {
1503 case 0x00: // Standard VGA, BGCOLOR 0x000000ff
f22f5b07 1504 s->vga.gr[reg_index] = reg_value & gr_mask[reg_index];
aeb3c85f 1505 s->cirrus_shadow_gr0 = reg_value;
22286bc6 1506 break;
e6e5ad80 1507 case 0x01: // Standard VGA, FGCOLOR 0x000000ff
f22f5b07 1508 s->vga.gr[reg_index] = reg_value & gr_mask[reg_index];
aeb3c85f 1509 s->cirrus_shadow_gr1 = reg_value;
22286bc6 1510 break;
e6e5ad80
FB		 1511 case 0x02: // Standard VGA
1512 case 0x03: // Standard VGA
1513 case 0x04: // Standard VGA
1514 case 0x06: // Standard VGA
1515 case 0x07: // Standard VGA
1516 case 0x08: // Standard VGA
22286bc6
JQ		 1517 s->vga.gr[reg_index] = reg_value & gr_mask[reg_index];
1518 break;
e6e5ad80 1519 case 0x05: // Standard VGA, Cirrus extended mode
4e12cd94 1520 s->vga.gr[reg_index] = reg_value & 0x7f;
8926b517 1521 cirrus_update_memory_access(s);
e6e5ad80
FB		 1522 break;
1523 case 0x09: // bank offset #0
1524 case 0x0A: // bank offset #1
4e12cd94 1525 s->vga.gr[reg_index] = reg_value;
8926b517
FB		 1526 cirrus_update_bank_ptr(s, 0);
1527 cirrus_update_bank_ptr(s, 1);
2bec46dc 1528 cirrus_update_memory_access(s);
8926b517 1529 break;
e6e5ad80 1530 case 0x0B:
4e12cd94 1531 s->vga.gr[reg_index] = reg_value;
e6e5ad80
FB		 1532 cirrus_update_bank_ptr(s, 0);
1533 cirrus_update_bank_ptr(s, 1);
8926b517 1534 cirrus_update_memory_access(s);
e6e5ad80
FB		 1535 break;
1536 case 0x10: // BGCOLOR 0x0000ff00
1537 case 0x11: // FGCOLOR 0x0000ff00
1538 case 0x12: // BGCOLOR 0x00ff0000
1539 case 0x13: // FGCOLOR 0x00ff0000
1540 case 0x14: // BGCOLOR 0xff000000
1541 case 0x15: // FGCOLOR 0xff000000
1542 case 0x20: // BLT WIDTH 0x0000ff
1543 case 0x22: // BLT HEIGHT 0x0000ff
1544 case 0x24: // BLT DEST PITCH 0x0000ff
1545 case 0x26: // BLT SRC PITCH 0x0000ff
1546 case 0x28: // BLT DEST ADDR 0x0000ff
1547 case 0x29: // BLT DEST ADDR 0x00ff00
1548 case 0x2c: // BLT SRC ADDR 0x0000ff
1549 case 0x2d: // BLT SRC ADDR 0x00ff00
a5082316 1550 case 0x2f: // BLT WRITEMASK
e6e5ad80
FB		 1551 case 0x30: // BLT MODE
1552 case 0x32: // RASTER OP
a21ae81d 1553 case 0x33: // BLT MODEEXT
e6e5ad80
FB		 1554 case 0x34: // BLT TRANSPARENT COLOR 0x00ff
1555 case 0x35: // BLT TRANSPARENT COLOR 0xff00
1556 case 0x38: // BLT TRANSPARENT COLOR MASK 0x00ff
1557 case 0x39: // BLT TRANSPARENT COLOR MASK 0xff00
4e12cd94 1558 s->vga.gr[reg_index] = reg_value;
e6e5ad80
FB		 1559 break;
1560 case 0x21: // BLT WIDTH 0x001f00
1561 case 0x23: // BLT HEIGHT 0x001f00
1562 case 0x25: // BLT DEST PITCH 0x001f00
1563 case 0x27: // BLT SRC PITCH 0x001f00
4e12cd94 1564 s->vga.gr[reg_index] = reg_value & 0x1f;
e6e5ad80
FB		 1565 break;
1566 case 0x2a: // BLT DEST ADDR 0x3f0000
4e12cd94 1567 s->vga.gr[reg_index] = reg_value & 0x3f;
a5082316 1568 /* if auto start mode, starts bit blt now */
4e12cd94 1569 if (s->vga.gr[0x31] & CIRRUS_BLT_AUTOSTART) {
a5082316
FB		 1570 cirrus_bitblt_start(s);
1571 }
1572 break;
e6e5ad80 1573 case 0x2e: // BLT SRC ADDR 0x3f0000
4e12cd94 1574 s->vga.gr[reg_index] = reg_value & 0x3f;
e6e5ad80
FB		 1575 break;
1576 case 0x31: // BLT STATUS/START
1577 cirrus_write_bitblt(s, reg_value);
1578 break;
1579 default:
1580#ifdef DEBUG_CIRRUS
1581 printf("cirrus: outport gr_index %02x, gr_value %02x\n", reg_index,
1582 reg_value);
1583#endif
1584 break;
1585 }
e6e5ad80
FB		 1586}
1587
1588/***************************************
1589 *
1590 * I/O access between 0x3d4-0x3d5
1591 *
1592 ***************************************/
1593
b863d514 1594static int cirrus_vga_read_cr(CirrusVGAState * s, unsigned reg_index)
e6e5ad80
FB		 1595{
1596 switch (reg_index) {
1597 case 0x00: // Standard VGA
1598 case 0x01: // Standard VGA
1599 case 0x02: // Standard VGA
1600 case 0x03: // Standard VGA
1601 case 0x04: // Standard VGA
1602 case 0x05: // Standard VGA
1603 case 0x06: // Standard VGA
1604 case 0x07: // Standard VGA
1605 case 0x08: // Standard VGA
1606 case 0x09: // Standard VGA
1607 case 0x0a: // Standard VGA
1608 case 0x0b: // Standard VGA
1609 case 0x0c: // Standard VGA
1610 case 0x0d: // Standard VGA
1611 case 0x0e: // Standard VGA
1612 case 0x0f: // Standard VGA
1613 case 0x10: // Standard VGA
1614 case 0x11: // Standard VGA
1615 case 0x12: // Standard VGA
1616 case 0x13: // Standard VGA
1617 case 0x14: // Standard VGA
1618 case 0x15: // Standard VGA
1619 case 0x16: // Standard VGA
1620 case 0x17: // Standard VGA
1621 case 0x18: // Standard VGA
b863d514 1622 return s->vga.cr[s->vga.cr_index];
ca896ef3 1623 case 0x24: // Attribute Controller Toggle Readback (R)
b863d514 1624 return (s->vga.ar_flip_flop << 7);
e6e5ad80
FB		 1625 case 0x19: // Interlace End
1626 case 0x1a: // Miscellaneous Control
1627 case 0x1b: // Extended Display Control
1628 case 0x1c: // Sync Adjust and Genlock
1629 case 0x1d: // Overlay Extended Control
1630 case 0x22: // Graphics Data Latches Readback (R)
e6e5ad80
FB		 1631 case 0x25: // Part Status
1632 case 0x27: // Part ID (R)
b863d514 1633 return s->vga.cr[s->vga.cr_index];
e6e5ad80 1634 case 0x26: // Attribute Controller Index Readback (R)
b863d514 1635 return s->vga.ar_index & 0x3f;
e6e5ad80
FB		 1636 break;
1637 default:
1638#ifdef DEBUG_CIRRUS
1639 printf("cirrus: inport cr_index %02x\n", reg_index);
e6e5ad80 1640#endif
b863d514 1641 return 0xff;
e6e5ad80 1642 }
e6e5ad80
FB		 1643}
1644
4ec1ce04 1645static void cirrus_vga_write_cr(CirrusVGAState * s, int reg_value)
e6e5ad80 1646{
4ec1ce04 1647 switch (s->vga.cr_index) {
e6e5ad80
FB		 1648 case 0x00: // Standard VGA
1649 case 0x01: // Standard VGA
1650 case 0x02: // Standard VGA
1651 case 0x03: // Standard VGA
1652 case 0x04: // Standard VGA
1653 case 0x05: // Standard VGA
1654 case 0x06: // Standard VGA
1655 case 0x07: // Standard VGA
1656 case 0x08: // Standard VGA
1657 case 0x09: // Standard VGA
1658 case 0x0a: // Standard VGA
1659 case 0x0b: // Standard VGA
1660 case 0x0c: // Standard VGA
1661 case 0x0d: // Standard VGA
1662 case 0x0e: // Standard VGA
1663 case 0x0f: // Standard VGA
1664 case 0x10: // Standard VGA
1665 case 0x11: // Standard VGA
1666 case 0x12: // Standard VGA
1667 case 0x13: // Standard VGA
1668 case 0x14: // Standard VGA
1669 case 0x15: // Standard VGA
1670 case 0x16: // Standard VGA
1671 case 0x17: // Standard VGA
1672 case 0x18: // Standard VGA
4ec1ce04
JQ		 1673 /* handle CR0-7 protection */
1674 if ((s->vga.cr[0x11] & 0x80) && s->vga.cr_index <= 7) {
1675 /* can always write bit 4 of CR7 */
1676 if (s->vga.cr_index == 7)
1677 s->vga.cr[7] = (s->vga.cr[7] & ~0x10) | (reg_value & 0x10);
1678 return;
1679 }
1680 s->vga.cr[s->vga.cr_index] = reg_value;
1681 switch(s->vga.cr_index) {
1682 case 0x00:
1683 case 0x04:
1684 case 0x05:
1685 case 0x06:
1686 case 0x07:
1687 case 0x11:
1688 case 0x17:
1689 s->vga.update_retrace_info(&s->vga);
1690 break;
1691 }
1692 break;
e6e5ad80
FB		 1693 case 0x19: // Interlace End
1694 case 0x1a: // Miscellaneous Control
1695 case 0x1b: // Extended Display Control
1696 case 0x1c: // Sync Adjust and Genlock
ae184e4a 1697 case 0x1d: // Overlay Extended Control
4ec1ce04 1698 s->vga.cr[s->vga.cr_index] = reg_value;
e6e5ad80
FB		 1699#ifdef DEBUG_CIRRUS
1700 printf("cirrus: handled outport cr_index %02x, cr_value %02x\n",
4ec1ce04 1701 s->vga.cr_index, reg_value);
e6e5ad80
FB		 1702#endif
1703 break;
1704 case 0x22: // Graphics Data Latches Readback (R)
1705 case 0x24: // Attribute Controller Toggle Readback (R)
1706 case 0x26: // Attribute Controller Index Readback (R)
1707 case 0x27: // Part ID (R)
1708 break;
e6e5ad80
FB		 1709 case 0x25: // Part Status
1710 default:
1711#ifdef DEBUG_CIRRUS
4ec1ce04
JQ		 1712 printf("cirrus: outport cr_index %02x, cr_value %02x\n",
1713 s->vga.cr_index, reg_value);
e6e5ad80
FB		 1714#endif
1715 break;
1716 }
e6e5ad80
FB		 1717}
1718
1719/***************************************
1720 *
1721 * memory-mapped I/O (bitblt)
1722 *
1723 ***************************************/
1724
1725static uint8_t cirrus_mmio_blt_read(CirrusVGAState * s, unsigned address)
1726{
1727 int value = 0xff;
1728
1729 switch (address) {
1730 case (CIRRUS_MMIO_BLTBGCOLOR + 0):
f705db9d 1731 value = cirrus_vga_read_gr(s, 0x00);
e6e5ad80
FB		 1732 break;
1733 case (CIRRUS_MMIO_BLTBGCOLOR + 1):
f705db9d 1734 value = cirrus_vga_read_gr(s, 0x10);
e6e5ad80
FB		 1735 break;
1736 case (CIRRUS_MMIO_BLTBGCOLOR + 2):
f705db9d 1737 value = cirrus_vga_read_gr(s, 0x12);
e6e5ad80
FB		 1738 break;
1739 case (CIRRUS_MMIO_BLTBGCOLOR + 3):
f705db9d 1740 value = cirrus_vga_read_gr(s, 0x14);
e6e5ad80
FB		 1741 break;
1742 case (CIRRUS_MMIO_BLTFGCOLOR + 0):
f705db9d 1743 value = cirrus_vga_read_gr(s, 0x01);
e6e5ad80
FB		 1744 break;
1745 case (CIRRUS_MMIO_BLTFGCOLOR + 1):
f705db9d 1746 value = cirrus_vga_read_gr(s, 0x11);
e6e5ad80
FB		 1747 break;
1748 case (CIRRUS_MMIO_BLTFGCOLOR + 2):
f705db9d 1749 value = cirrus_vga_read_gr(s, 0x13);
e6e5ad80
FB		 1750 break;
1751 case (CIRRUS_MMIO_BLTFGCOLOR + 3):
f705db9d 1752 value = cirrus_vga_read_gr(s, 0x15);
e6e5ad80
FB		 1753 break;
1754 case (CIRRUS_MMIO_BLTWIDTH + 0):
f705db9d 1755 value = cirrus_vga_read_gr(s, 0x20);
e6e5ad80
FB		 1756 break;
1757 case (CIRRUS_MMIO_BLTWIDTH + 1):
f705db9d 1758 value = cirrus_vga_read_gr(s, 0x21);
e6e5ad80
FB		 1759 break;
1760 case (CIRRUS_MMIO_BLTHEIGHT + 0):
f705db9d 1761 value = cirrus_vga_read_gr(s, 0x22);
e6e5ad80
FB		 1762 break;
1763 case (CIRRUS_MMIO_BLTHEIGHT + 1):
f705db9d 1764 value = cirrus_vga_read_gr(s, 0x23);
e6e5ad80
FB		 1765 break;
1766 case (CIRRUS_MMIO_BLTDESTPITCH + 0):
f705db9d 1767 value = cirrus_vga_read_gr(s, 0x24);
e6e5ad80
FB		 1768 break;
1769 case (CIRRUS_MMIO_BLTDESTPITCH + 1):
f705db9d 1770 value = cirrus_vga_read_gr(s, 0x25);
e6e5ad80
FB		 1771 break;
1772 case (CIRRUS_MMIO_BLTSRCPITCH + 0):
f705db9d 1773 value = cirrus_vga_read_gr(s, 0x26);
e6e5ad80
FB		 1774 break;
1775 case (CIRRUS_MMIO_BLTSRCPITCH + 1):
f705db9d 1776 value = cirrus_vga_read_gr(s, 0x27);
e6e5ad80
FB		 1777 break;
1778 case (CIRRUS_MMIO_BLTDESTADDR + 0):
f705db9d 1779 value = cirrus_vga_read_gr(s, 0x28);
e6e5ad80
FB		 1780 break;
1781 case (CIRRUS_MMIO_BLTDESTADDR + 1):
f705db9d 1782 value = cirrus_vga_read_gr(s, 0x29);
e6e5ad80
FB		 1783 break;
1784 case (CIRRUS_MMIO_BLTDESTADDR + 2):
f705db9d 1785 value = cirrus_vga_read_gr(s, 0x2a);
e6e5ad80
FB		 1786 break;
1787 case (CIRRUS_MMIO_BLTSRCADDR + 0):
f705db9d 1788 value = cirrus_vga_read_gr(s, 0x2c);
e6e5ad80
FB		 1789 break;
1790 case (CIRRUS_MMIO_BLTSRCADDR + 1):
f705db9d 1791 value = cirrus_vga_read_gr(s, 0x2d);
e6e5ad80
FB		 1792 break;
1793 case (CIRRUS_MMIO_BLTSRCADDR + 2):
f705db9d 1794 value = cirrus_vga_read_gr(s, 0x2e);
e6e5ad80
FB		 1795 break;
1796 case CIRRUS_MMIO_BLTWRITEMASK:
f705db9d 1797 value = cirrus_vga_read_gr(s, 0x2f);
e6e5ad80
FB		 1798 break;
1799 case CIRRUS_MMIO_BLTMODE:
f705db9d 1800 value = cirrus_vga_read_gr(s, 0x30);
e6e5ad80
FB		 1801 break;
1802 case CIRRUS_MMIO_BLTROP:
f705db9d 1803 value = cirrus_vga_read_gr(s, 0x32);
e6e5ad80 1804 break;
a21ae81d 1805 case CIRRUS_MMIO_BLTMODEEXT:
f705db9d 1806 value = cirrus_vga_read_gr(s, 0x33);
a21ae81d 1807 break;
e6e5ad80 1808 case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 0):
f705db9d 1809 value = cirrus_vga_read_gr(s, 0x34);
e6e5ad80
FB		 1810 break;
1811 case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 1):
f705db9d 1812 value = cirrus_vga_read_gr(s, 0x35);
e6e5ad80
FB		 1813 break;
1814 case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 0):
f705db9d 1815 value = cirrus_vga_read_gr(s, 0x38);
e6e5ad80
FB		 1816 break;
1817 case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 1):
f705db9d 1818 value = cirrus_vga_read_gr(s, 0x39);
e6e5ad80
FB		 1819 break;
1820 case CIRRUS_MMIO_BLTSTATUS:
f705db9d 1821 value = cirrus_vga_read_gr(s, 0x31);
e6e5ad80
FB		 1822 break;
1823 default:
1824#ifdef DEBUG_CIRRUS
1825 printf("cirrus: mmio read - address 0x%04x\n", address);
1826#endif
1827 break;
1828 }
1829
1830 return (uint8_t) value;
1831}
1832
1833static void cirrus_mmio_blt_write(CirrusVGAState * s, unsigned address,
1834 uint8_t value)
1835{
1836 switch (address) {
1837 case (CIRRUS_MMIO_BLTBGCOLOR + 0):
22286bc6 1838 cirrus_vga_write_gr(s, 0x00, value);
e6e5ad80
FB		 1839 break;
1840 case (CIRRUS_MMIO_BLTBGCOLOR + 1):
22286bc6 1841 cirrus_vga_write_gr(s, 0x10, value);
e6e5ad80
FB		 1842 break;
1843 case (CIRRUS_MMIO_BLTBGCOLOR + 2):
22286bc6 1844 cirrus_vga_write_gr(s, 0x12, value);
e6e5ad80
FB		 1845 break;
1846 case (CIRRUS_MMIO_BLTBGCOLOR + 3):
22286bc6 1847 cirrus_vga_write_gr(s, 0x14, value);
e6e5ad80
FB		 1848 break;
1849 case (CIRRUS_MMIO_BLTFGCOLOR + 0):
22286bc6 1850 cirrus_vga_write_gr(s, 0x01, value);
e6e5ad80
FB		 1851 break;
1852 case (CIRRUS_MMIO_BLTFGCOLOR + 1):
22286bc6 1853 cirrus_vga_write_gr(s, 0x11, value);
e6e5ad80
FB		 1854 break;
1855 case (CIRRUS_MMIO_BLTFGCOLOR + 2):
22286bc6 1856 cirrus_vga_write_gr(s, 0x13, value);
e6e5ad80
FB		 1857 break;
1858 case (CIRRUS_MMIO_BLTFGCOLOR + 3):
22286bc6 1859 cirrus_vga_write_gr(s, 0x15, value);
e6e5ad80
FB		 1860 break;
1861 case (CIRRUS_MMIO_BLTWIDTH + 0):
22286bc6 1862 cirrus_vga_write_gr(s, 0x20, value);
e6e5ad80
FB		 1863 break;
1864 case (CIRRUS_MMIO_BLTWIDTH + 1):
22286bc6 1865 cirrus_vga_write_gr(s, 0x21, value);
e6e5ad80
FB		 1866 break;
1867 case (CIRRUS_MMIO_BLTHEIGHT + 0):
22286bc6 1868 cirrus_vga_write_gr(s, 0x22, value);
e6e5ad80
FB		 1869 break;
1870 case (CIRRUS_MMIO_BLTHEIGHT + 1):
22286bc6 1871 cirrus_vga_write_gr(s, 0x23, value);
e6e5ad80
FB		 1872 break;
1873 case (CIRRUS_MMIO_BLTDESTPITCH + 0):
22286bc6 1874 cirrus_vga_write_gr(s, 0x24, value);
e6e5ad80
FB		 1875 break;
1876 case (CIRRUS_MMIO_BLTDESTPITCH + 1):
22286bc6 1877 cirrus_vga_write_gr(s, 0x25, value);
e6e5ad80
FB		 1878 break;
1879 case (CIRRUS_MMIO_BLTSRCPITCH + 0):
22286bc6 1880 cirrus_vga_write_gr(s, 0x26, value);
e6e5ad80
FB		 1881 break;
1882 case (CIRRUS_MMIO_BLTSRCPITCH + 1):
22286bc6 1883 cirrus_vga_write_gr(s, 0x27, value);
e6e5ad80
FB		 1884 break;
1885 case (CIRRUS_MMIO_BLTDESTADDR + 0):
22286bc6 1886 cirrus_vga_write_gr(s, 0x28, value);
e6e5ad80
FB		 1887 break;
1888 case (CIRRUS_MMIO_BLTDESTADDR + 1):
22286bc6 1889 cirrus_vga_write_gr(s, 0x29, value);
e6e5ad80
FB		 1890 break;
1891 case (CIRRUS_MMIO_BLTDESTADDR + 2):
22286bc6 1892 cirrus_vga_write_gr(s, 0x2a, value);
e6e5ad80
FB		 1893 break;
1894 case (CIRRUS_MMIO_BLTDESTADDR + 3):
1895 /* ignored */
1896 break;
1897 case (CIRRUS_MMIO_BLTSRCADDR + 0):
22286bc6 1898 cirrus_vga_write_gr(s, 0x2c, value);
e6e5ad80
FB		 1899 break;
1900 case (CIRRUS_MMIO_BLTSRCADDR + 1):
22286bc6 1901 cirrus_vga_write_gr(s, 0x2d, value);
e6e5ad80
FB		 1902 break;
1903 case (CIRRUS_MMIO_BLTSRCADDR + 2):
22286bc6 1904 cirrus_vga_write_gr(s, 0x2e, value);
e6e5ad80
FB		 1905 break;
1906 case CIRRUS_MMIO_BLTWRITEMASK:
22286bc6 1907 cirrus_vga_write_gr(s, 0x2f, value);
e6e5ad80
FB		 1908 break;
1909 case CIRRUS_MMIO_BLTMODE:
22286bc6 1910 cirrus_vga_write_gr(s, 0x30, value);
e6e5ad80
FB		 1911 break;
1912 case CIRRUS_MMIO_BLTROP:
22286bc6 1913 cirrus_vga_write_gr(s, 0x32, value);
e6e5ad80 1914 break;
a21ae81d 1915 case CIRRUS_MMIO_BLTMODEEXT:
22286bc6 1916 cirrus_vga_write_gr(s, 0x33, value);
a21ae81d 1917 break;
e6e5ad80 1918 case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 0):
22286bc6 1919 cirrus_vga_write_gr(s, 0x34, value);
e6e5ad80
FB		 1920 break;
1921 case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 1):
22286bc6 1922 cirrus_vga_write_gr(s, 0x35, value);
e6e5ad80
FB		 1923 break;
1924 case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 0):
22286bc6 1925 cirrus_vga_write_gr(s, 0x38, value);
e6e5ad80
FB		 1926 break;
1927 case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 1):
22286bc6 1928 cirrus_vga_write_gr(s, 0x39, value);
e6e5ad80
FB		 1929 break;
1930 case CIRRUS_MMIO_BLTSTATUS:
22286bc6 1931 cirrus_vga_write_gr(s, 0x31, value);
e6e5ad80
FB		 1932 break;
1933 default:
1934#ifdef DEBUG_CIRRUS
1935 printf("cirrus: mmio write - addr 0x%04x val 0x%02x (ignored)\n",
1936 address, value);
1937#endif
1938 break;
1939 }
1940}
1941
e6e5ad80
FB		 1942/***************************************
1943 *
1944 * write mode 4/5
1945 *
e6e5ad80
FB		 1946 ***************************************/
1947
1948static 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
4e12cd94 1957 dst = s->vga.vram_ptr + (offset &= s->cirrus_addr_mask);
e6e5ad80
FB		 1958 for (x = 0; x < 8; x++) {
1959 if (val & 0x80) {
0b74ed78 1960 *dst = s->cirrus_shadow_gr1;
e6e5ad80 1961 } else if (mode == 5) {
0b74ed78 1962 *dst = s->cirrus_shadow_gr0;
e6e5ad80
FB		 1963 }
1964 val <<= 1;
0b74ed78 1965 dst++;
e6e5ad80 1966 }
fd4aa979 1967 memory_region_set_dirty(&s->vga.vram, offset, 8);
e6e5ad80
FB		 1968}
1969
1970static void cirrus_mem_writeb_mode4and5_16bpp(CirrusVGAState * s,
1971 unsigned mode,
1972 unsigned offset,
1973 uint32_t mem_value)
1974{
1975 int x;
1976 unsigned val = mem_value;
1977 uint8_t *dst;
1978
4e12cd94 1979 dst = s->vga.vram_ptr + (offset &= s->cirrus_addr_mask);
e6e5ad80
FB		 1980 for (x = 0; x < 8; x++) {
1981 if (val & 0x80) {
0b74ed78 1982 *dst = s->cirrus_shadow_gr1;
4e12cd94 1983 *(dst + 1) = s->vga.gr[0x11];
e6e5ad80 1984 } else if (mode == 5) {
0b74ed78 1985 *dst = s->cirrus_shadow_gr0;
4e12cd94 1986 *(dst + 1) = s->vga.gr[0x10];
e6e5ad80
FB		 1987 }
1988 val <<= 1;
0b74ed78 1989 dst += 2;
e6e5ad80 1990 }
fd4aa979 1991 memory_region_set_dirty(&s->vga.vram, offset, 16);
e6e5ad80
FB		 1992}
1993
1994/***************************************
1995 *
1996 * memory access between 0xa0000-0xbffff
1997 *
1998 ***************************************/
1999
a815b166 2000static uint64_t cirrus_vga_mem_read(void *opaque,
a8170e5e 2001 hwaddr addr,
a815b166 2002 uint32_t size)
e6e5ad80
FB		 2003{
2004 CirrusVGAState *s = opaque;
2005 unsigned bank_index;
2006 unsigned bank_offset;
2007 uint32_t val;
2008
4e12cd94 2009 if ((s->vga.sr[0x07] & 0x01) == 0) {
b2a5e761 2010 return vga_mem_readb(&s->vga, addr);
e6e5ad80
FB		 2011 }
2012
2013 if (addr < 0x10000) {
2014 /* XXX handle bitblt */
2015 /* video memory */
2016 bank_index = addr >> 15;
2017 bank_offset = addr & 0x7fff;
2018 if (bank_offset < s->cirrus_bank_limit[bank_index]) {
2019 bank_offset += s->cirrus_bank_base[bank_index];
4e12cd94 2020 if ((s->vga.gr[0x0B] & 0x14) == 0x14) {
e6e5ad80 2021 bank_offset <<= 4;
4e12cd94 2022 } else if (s->vga.gr[0x0B] & 0x02) {
e6e5ad80
FB		 2023 bank_offset <<= 3;
2024 }
2025 bank_offset &= s->cirrus_addr_mask;
4e12cd94 2026 val = *(s->vga.vram_ptr + bank_offset);
e6e5ad80
FB		 2027 } else
2028 val = 0xff;
2029 } else if (addr >= 0x18000 && addr < 0x18100) {
2030 /* memory-mapped I/O */
2031 val = 0xff;
4e12cd94 2032 if ((s->vga.sr[0x17] & 0x44) == 0x04) {
e6e5ad80
FB		 2033 val = cirrus_mmio_blt_read(s, addr & 0xff);
2034 }
2035 } else {
2036 val = 0xff;
2037#ifdef DEBUG_CIRRUS
0bf9e31a 2038 printf("cirrus: mem_readb " TARGET_FMT_plx "\n", addr);
e6e5ad80
FB		 2039#endif
2040 }
2041 return val;
2042}
2043
a815b166 2044static void cirrus_vga_mem_write(void *opaque,
a8170e5e 2045 hwaddr addr,
a815b166
AK		 2046 uint64_t mem_value,
2047 uint32_t size)
e6e5ad80
FB		 2048{
2049 CirrusVGAState *s = opaque;
2050 unsigned bank_index;
2051 unsigned bank_offset;
2052 unsigned mode;
2053
4e12cd94 2054 if ((s->vga.sr[0x07] & 0x01) == 0) {
b2a5e761 2055 vga_mem_writeb(&s->vga, addr, mem_value);
e6e5ad80
FB		 2056 return;
2057 }
2058
2059 if (addr < 0x10000) {
2060 if (s->cirrus_srcptr != s->cirrus_srcptr_end) {
2061 /* bitblt */
2062 *s->cirrus_srcptr++ = (uint8_t) mem_value;
a5082316 2063 if (s->cirrus_srcptr >= s->cirrus_srcptr_end) {
e6e5ad80
FB		 2064 cirrus_bitblt_cputovideo_next(s);
2065 }
2066 } else {
2067 /* video memory */
2068 bank_index = addr >> 15;
2069 bank_offset = addr & 0x7fff;
2070 if (bank_offset < s->cirrus_bank_limit[bank_index]) {
2071 bank_offset += s->cirrus_bank_base[bank_index];
4e12cd94 2072 if ((s->vga.gr[0x0B] & 0x14) == 0x14) {
e6e5ad80 2073 bank_offset <<= 4;
4e12cd94 2074 } else if (s->vga.gr[0x0B] & 0x02) {
e6e5ad80
FB		 2075 bank_offset <<= 3;
2076 }
2077 bank_offset &= s->cirrus_addr_mask;
4e12cd94
AK		 2078 mode = s->vga.gr[0x05] & 0x7;
2079 if (mode < 4 || mode > 5 || ((s->vga.gr[0x0B] & 0x4) == 0)) {
2080 *(s->vga.vram_ptr + bank_offset) = mem_value;
fd4aa979
BS		 2081 memory_region_set_dirty(&s->vga.vram, bank_offset,
2082 sizeof(mem_value));
e6e5ad80 2083 } else {
4e12cd94 2084 if ((s->vga.gr[0x0B] & 0x14) != 0x14) {
e6e5ad80
FB		 2085 cirrus_mem_writeb_mode4and5_8bpp(s, mode,
2086 bank_offset,
2087 mem_value);
2088 } else {
2089 cirrus_mem_writeb_mode4and5_16bpp(s, mode,
2090 bank_offset,
2091 mem_value);
2092 }
2093 }
2094 }
2095 }
2096 } else if (addr >= 0x18000 && addr < 0x18100) {
2097 /* memory-mapped I/O */
4e12cd94 2098 if ((s->vga.sr[0x17] & 0x44) == 0x04) {
e6e5ad80
FB		 2099 cirrus_mmio_blt_write(s, addr & 0xff, mem_value);
2100 }
2101 } else {
2102#ifdef DEBUG_CIRRUS
e8ee4b68 2103 printf("cirrus: mem_writeb " TARGET_FMT_plx " value 0x%02" PRIu64 "\n", addr,
08406b03 2104 mem_value);
e6e5ad80
FB		 2105#endif
2106 }
2107}
2108
b1950430
AK		 2109static const MemoryRegionOps cirrus_vga_mem_ops = {
2110 .read = cirrus_vga_mem_read,
2111 .write = cirrus_vga_mem_write,
2112 .endianness = DEVICE_LITTLE_ENDIAN,
a815b166
AK		 2113 .impl = {
2114 .min_access_size = 1,
2115 .max_access_size = 1,
2116 },
e6e5ad80
FB		 2117};
2118
a5082316
FB		 2119/***************************************
2120 *
2121 * hardware cursor
2122 *
2123 ***************************************/
2124
2125static inline void invalidate_cursor1(CirrusVGAState *s)
2126{
2127 if (s->last_hw_cursor_size) {
4e12cd94 2128 vga_invalidate_scanlines(&s->vga,
a5082316
FB		 2129 s->last_hw_cursor_y + s->last_hw_cursor_y_start,
2130 s->last_hw_cursor_y + s->last_hw_cursor_y_end);
2131 }
2132}
2133
2134static inline void cirrus_cursor_compute_yrange(CirrusVGAState *s)
2135{
2136 const uint8_t *src;
2137 uint32_t content;
2138 int y, y_min, y_max;
2139
4e12cd94
AK		 2140 src = s->vga.vram_ptr + s->real_vram_size - 16 * 1024;
2141 if (s->vga.sr[0x12] & CIRRUS_CURSOR_LARGE) {
2142 src += (s->vga.sr[0x13] & 0x3c) * 256;
a5082316
FB		 2143 y_min = 64;
2144 y_max = -1;
2145 for(y = 0; y < 64; y++) {
2146 content = ((uint32_t *)src)[0] |
2147 ((uint32_t *)src)[1] |
2148 ((uint32_t *)src)[2] |
2149 ((uint32_t *)src)[3];
2150 if (content) {
2151 if (y < y_min)
2152 y_min = y;
2153 if (y > y_max)
2154 y_max = y;
2155 }
2156 src += 16;
2157 }
2158 } else {
4e12cd94 2159 src += (s->vga.sr[0x13] & 0x3f) * 256;
a5082316
FB		 2160 y_min = 32;
2161 y_max = -1;
2162 for(y = 0; y < 32; y++) {
2163 content = ((uint32_t *)src)[0] |
2164 ((uint32_t *)(src + 128))[0];
2165 if (content) {
2166 if (y < y_min)
2167 y_min = y;
2168 if (y > y_max)
2169 y_max = y;
2170 }
2171 src += 4;
2172 }
2173 }
2174 if (y_min > y_max) {
2175 s->last_hw_cursor_y_start = 0;
2176 s->last_hw_cursor_y_end = 0;
2177 } else {
2178 s->last_hw_cursor_y_start = y_min;
2179 s->last_hw_cursor_y_end = y_max + 1;
2180 }
2181}
2182
2183/* NOTE: we do not currently handle the cursor bitmap change, so we
2184 update the cursor only if it moves. */
a4a2f59c 2185static void cirrus_cursor_invalidate(VGACommonState *s1)
a5082316 2186{
4e12cd94 2187 CirrusVGAState *s = container_of(s1, CirrusVGAState, vga);
a5082316
FB		 2188 int size;
2189
4e12cd94 2190 if (!(s->vga.sr[0x12] & CIRRUS_CURSOR_SHOW)) {
a5082316
FB		 2191 size = 0;
2192 } else {
4e12cd94 2193 if (s->vga.sr[0x12] & CIRRUS_CURSOR_LARGE)
a5082316
FB		 2194 size = 64;
2195 else
2196 size = 32;
2197 }
2198 /* invalidate last cursor and new cursor if any change */
2199 if (s->last_hw_cursor_size != size ||
22382bb9
GH		 2200 s->last_hw_cursor_x != s->vga.hw_cursor_x ||
2201 s->last_hw_cursor_y != s->vga.hw_cursor_y) {
a5082316
FB		 2202
2203 invalidate_cursor1(s);
3b46e624 2204
a5082316 2205 s->last_hw_cursor_size = size;
22382bb9
GH		 2206 s->last_hw_cursor_x = s->vga.hw_cursor_x;
2207 s->last_hw_cursor_y = s->vga.hw_cursor_y;
a5082316
FB		 2208 /* compute the real cursor min and max y */
2209 cirrus_cursor_compute_yrange(s);
2210 invalidate_cursor1(s);
2211 }
2212}
2213
70a041fe
BH		 2214static void vga_draw_cursor_line(uint8_t *d1,
2215 const uint8_t *src1,
2216 int poffset, int w,
2217 unsigned int color0,
2218 unsigned int color1,
2219 unsigned int color_xor)
2220{
2221 const uint8_t *plane0, *plane1;
2222 int x, b0, b1;
2223 uint8_t *d;
2224
2225 d = d1;
2226 plane0 = src1;
2227 plane1 = src1 + poffset;
2228 for (x = 0; x < w; x++) {
2229 b0 = (plane0[x >> 3] >> (7 - (x & 7))) & 1;
2230 b1 = (plane1[x >> 3] >> (7 - (x & 7))) & 1;
2231 switch (b0 | (b1 << 1)) {
2232 case 0:
2233 break;
2234 case 1:
2235 ((uint32_t *)d)[0] ^= color_xor;
2236 break;
2237 case 2:
2238 ((uint32_t *)d)[0] = color0;
2239 break;
2240 case 3:
2241 ((uint32_t *)d)[0] = color1;
2242 break;
2243 }
2244 d += 4;
2245 }
2246}
94d7b483 2247
a4a2f59c 2248static void cirrus_cursor_draw_line(VGACommonState *s1, uint8_t *d1, int scr_y)
a5082316 2249{
4e12cd94 2250 CirrusVGAState *s = container_of(s1, CirrusVGAState, vga);
70a041fe 2251 int w, h, x1, x2, poffset;
a5082316
FB		 2252 unsigned int color0, color1;
2253 const uint8_t *palette, *src;
2254 uint32_t content;
3b46e624 2255
4e12cd94 2256 if (!(s->vga.sr[0x12] & CIRRUS_CURSOR_SHOW))
a5082316
FB		 2257 return;
2258 /* fast test to see if the cursor intersects with the scan line */
4e12cd94 2259 if (s->vga.sr[0x12] & CIRRUS_CURSOR_LARGE) {
a5082316
FB		 2260 h = 64;
2261 } else {
2262 h = 32;
2263 }
22382bb9
GH		 2264 if (scr_y < s->vga.hw_cursor_y ||
2265 scr_y >= (s->vga.hw_cursor_y + h)) {
a5082316 2266 return;
22382bb9 2267 }
3b46e624 2268
4e12cd94
AK		 2269 src = s->vga.vram_ptr + s->real_vram_size - 16 * 1024;
2270 if (s->vga.sr[0x12] & CIRRUS_CURSOR_LARGE) {
2271 src += (s->vga.sr[0x13] & 0x3c) * 256;
22382bb9 2272 src += (scr_y - s->vga.hw_cursor_y) * 16;
a5082316
FB		 2273 poffset = 8;
2274 content = ((uint32_t *)src)[0] |
2275 ((uint32_t *)src)[1] |
2276 ((uint32_t *)src)[2] |
2277 ((uint32_t *)src)[3];
2278 } else {
4e12cd94 2279 src += (s->vga.sr[0x13] & 0x3f) * 256;
22382bb9 2280 src += (scr_y - s->vga.hw_cursor_y) * 4;
d3c2343a
BH		 2281
2282
a5082316
FB		 2283 poffset = 128;
2284 content = ((uint32_t *)src)[0] |
2285 ((uint32_t *)(src + 128))[0];
2286 }
2287 /* if nothing to draw, no need to continue */
2288 if (!content)
2289 return;
2290 w = h;
2291
22382bb9 2292 x1 = s->vga.hw_cursor_x;
4e12cd94 2293 if (x1 >= s->vga.last_scr_width)
a5082316 2294 return;
22382bb9 2295 x2 = s->vga.hw_cursor_x + w;
4e12cd94
AK		 2296 if (x2 > s->vga.last_scr_width)
2297 x2 = s->vga.last_scr_width;
a5082316
FB		 2298 w = x2 - x1;
2299 palette = s->cirrus_hidden_palette;
d3c2343a
BH		 2300 color0 = rgb_to_pixel32(c6_to_8(palette[0x0 * 3]),
2301 c6_to_8(palette[0x0 * 3 + 1]),
2302 c6_to_8(palette[0x0 * 3 + 2]));
2303 color1 = rgb_to_pixel32(c6_to_8(palette[0xf * 3]),
2304 c6_to_8(palette[0xf * 3 + 1]),
2305 c6_to_8(palette[0xf * 3 + 2]));
70a041fe
BH		 2306 d1 += x1 * 4;
2307 vga_draw_cursor_line(d1, src, poffset, w, color0, color1, 0xffffff);
a5082316
FB		 2308}
2309
e6e5ad80
FB		 2310/***************************************
2311 *
2312 * LFB memory access
2313 *
2314 ***************************************/
2315
a8170e5e 2316static uint64_t cirrus_linear_read(void *opaque, hwaddr addr,
899adf81 2317 unsigned size)
e6e5ad80 2318{
e05587e8 2319 CirrusVGAState *s = opaque;
e6e5ad80
FB		 2320 uint32_t ret;
2321
e6e5ad80
FB		 2322 addr &= s->cirrus_addr_mask;
2323
4e12cd94 2324 if (((s->vga.sr[0x17] & 0x44) == 0x44) &&
78e127ef 2325 ((addr & s->linear_mmio_mask) == s->linear_mmio_mask)) {
e6e5ad80
FB		 2326 /* memory-mapped I/O */
2327 ret = cirrus_mmio_blt_read(s, addr & 0xff);
2328 } else if (0) {
2329 /* XXX handle bitblt */
2330 ret = 0xff;
2331 } else {
2332 /* video memory */
4e12cd94 2333 if ((s->vga.gr[0x0B] & 0x14) == 0x14) {
e6e5ad80 2334 addr <<= 4;
4e12cd94 2335 } else if (s->vga.gr[0x0B] & 0x02) {
e6e5ad80
FB		 2336 addr <<= 3;
2337 }
2338 addr &= s->cirrus_addr_mask;
4e12cd94 2339 ret = *(s->vga.vram_ptr + addr);
e6e5ad80
FB		 2340 }
2341
2342 return ret;
2343}
2344
a8170e5e 2345static void cirrus_linear_write(void *opaque, hwaddr addr,
899adf81 2346 uint64_t val, unsigned size)
e6e5ad80 2347{
e05587e8 2348 CirrusVGAState *s = opaque;
e6e5ad80
FB		 2349 unsigned mode;
2350
2351 addr &= s->cirrus_addr_mask;
3b46e624 2352
4e12cd94 2353 if (((s->vga.sr[0x17] & 0x44) == 0x44) &&
78e127ef 2354 ((addr & s->linear_mmio_mask) == s->linear_mmio_mask)) {
e6e5ad80
FB		 2355 /* memory-mapped I/O */
2356 cirrus_mmio_blt_write(s, addr & 0xff, val);
2357 } else if (s->cirrus_srcptr != s->cirrus_srcptr_end) {
2358 /* bitblt */
2359 *s->cirrus_srcptr++ = (uint8_t) val;
a5082316 2360 if (s->cirrus_srcptr >= s->cirrus_srcptr_end) {
e6e5ad80
FB		 2361 cirrus_bitblt_cputovideo_next(s);
2362 }
2363 } else {
2364 /* video memory */
4e12cd94 2365 if ((s->vga.gr[0x0B] & 0x14) == 0x14) {
e6e5ad80 2366 addr <<= 4;
4e12cd94 2367 } else if (s->vga.gr[0x0B] & 0x02) {
e6e5ad80
FB		 2368 addr <<= 3;
2369 }
2370 addr &= s->cirrus_addr_mask;
2371
4e12cd94
AK		 2372 mode = s->vga.gr[0x05] & 0x7;
2373 if (mode < 4 || mode > 5 || ((s->vga.gr[0x0B] & 0x4) == 0)) {
2374 *(s->vga.vram_ptr + addr) = (uint8_t) val;
fd4aa979 2375 memory_region_set_dirty(&s->vga.vram, addr, 1);
e6e5ad80 2376 } else {
4e12cd94 2377 if ((s->vga.gr[0x0B] & 0x14) != 0x14) {
e6e5ad80
FB		 2378 cirrus_mem_writeb_mode4and5_8bpp(s, mode, addr, val);
2379 } else {
2380 cirrus_mem_writeb_mode4and5_16bpp(s, mode, addr, val);
2381 }
2382 }
2383 }
2384}
2385
a5082316
FB		 2386/***************************************
2387 *
2388 * system to screen memory access
2389 *
2390 ***************************************/
2391
2392
4e56f089 2393static uint64_t cirrus_linear_bitblt_read(void *opaque,
a8170e5e 2394 hwaddr addr,
4e56f089 2395 unsigned size)
a5082316 2396{
4e56f089 2397 CirrusVGAState *s = opaque;
a5082316
FB		 2398 uint32_t ret;
2399
2400 /* XXX handle bitblt */
4e56f089 2401 (void)s;
a5082316
FB		 2402 ret = 0xff;
2403 return ret;
2404}
2405
4e56f089 2406static void cirrus_linear_bitblt_write(void *opaque,
a8170e5e 2407 hwaddr addr,
4e56f089
AK		 2408 uint64_t val,
2409 unsigned size)
a5082316 2410{
e05587e8 2411 CirrusVGAState *s = opaque;
a5082316
FB		 2412
2413 if (s->cirrus_srcptr != s->cirrus_srcptr_end) {
2414 /* bitblt */
2415 *s->cirrus_srcptr++ = (uint8_t) val;
2416 if (s->cirrus_srcptr >= s->cirrus_srcptr_end) {
2417 cirrus_bitblt_cputovideo_next(s);
2418 }
2419 }
2420}
2421
b1950430
AK		 2422static const MemoryRegionOps cirrus_linear_bitblt_io_ops = {
2423 .read = cirrus_linear_bitblt_read,
2424 .write = cirrus_linear_bitblt_write,
2425 .endianness = DEVICE_LITTLE_ENDIAN,
4e56f089
AK		 2426 .impl = {
2427 .min_access_size = 1,
2428 .max_access_size = 1,
2429 },
a5082316
FB		 2430};
2431
b1950430
AK		 2432static void map_linear_vram_bank(CirrusVGAState *s, unsigned bank)
2433{
7969d9ed
AK		 2434 MemoryRegion *mr = &s->cirrus_bank[bank];
2435 bool enabled = !(s->cirrus_srcptr != s->cirrus_srcptr_end)
4e12cd94
AK		 2436 && !((s->vga.sr[0x07] & 0x01) == 0)
2437 && !((s->vga.gr[0x0B] & 0x14) == 0x14)
7969d9ed
AK		 2438 && !(s->vga.gr[0x0B] & 0x02);
2439
2440 memory_region_set_enabled(mr, enabled);
2441 memory_region_set_alias_offset(mr, s->cirrus_bank_base[bank]);
b1950430 2442}
2bec46dc 2443
b1950430
AK		 2444static void map_linear_vram(CirrusVGAState *s)
2445{
4c08fd1e 2446 if (s->bustype == CIRRUS_BUSTYPE_PCI && !s->linear_vram) {
b1950430
AK		 2447 s->linear_vram = true;
2448 memory_region_add_subregion_overlap(&s->pci_bar, 0, &s->vga.vram, 1);
2449 }
2450 map_linear_vram_bank(s, 0);
2451 map_linear_vram_bank(s, 1);
2bec46dc
AL		 2452}
2453
2454static void unmap_linear_vram(CirrusVGAState *s)
2455{
4c08fd1e 2456 if (s->bustype == CIRRUS_BUSTYPE_PCI && s->linear_vram) {
b1950430
AK		 2457 s->linear_vram = false;
2458 memory_region_del_subregion(&s->pci_bar, &s->vga.vram);
4516e45f 2459 }
7969d9ed
AK		 2460 memory_region_set_enabled(&s->cirrus_bank[0], false);
2461 memory_region_set_enabled(&s->cirrus_bank[1], false);
2bec46dc
AL		 2462}
2463
8926b517
FB		 2464/* Compute the memory access functions */
2465static void cirrus_update_memory_access(CirrusVGAState *s)
2466{
2467 unsigned mode;
2468
64c048f4 2469 memory_region_transaction_begin();
4e12cd94 2470 if ((s->vga.sr[0x17] & 0x44) == 0x44) {
8926b517
FB		 2471 goto generic_io;
2472 } else if (s->cirrus_srcptr != s->cirrus_srcptr_end) {
2473 goto generic_io;
2474 } else {
4e12cd94 2475 if ((s->vga.gr[0x0B] & 0x14) == 0x14) {
8926b517 2476 goto generic_io;
4e12cd94 2477 } else if (s->vga.gr[0x0B] & 0x02) {
8926b517
FB		 2478 goto generic_io;
2479 }
3b46e624 2480
4e12cd94
AK		 2481 mode = s->vga.gr[0x05] & 0x7;
2482 if (mode < 4 || mode > 5 || ((s->vga.gr[0x0B] & 0x4) == 0)) {
2bec46dc 2483 map_linear_vram(s);
8926b517
FB		 2484 } else {
2485 generic_io:
2bec46dc 2486 unmap_linear_vram(s);
8926b517
FB		 2487 }
2488 }
64c048f4 2489 memory_region_transaction_commit();
8926b517
FB		 2490}
2491
2492
e6e5ad80
FB		 2493/* I/O ports */
2494
c75e6d8e
JG		 2495static uint64_t cirrus_vga_ioport_read(void *opaque, hwaddr addr,
2496 unsigned size)
e6e5ad80 2497{
b6343073
JQ		 2498 CirrusVGAState *c = opaque;
2499 VGACommonState *s = &c->vga;
e6e5ad80
FB		 2500 int val, index;
2501
c75e6d8e 2502 addr += 0x3b0;
bd8f2f5d 2503
b6343073 2504 if (vga_ioport_invalid(s, addr)) {
e6e5ad80
FB		 2505 val = 0xff;
2506 } else {
2507 switch (addr) {
2508 case 0x3c0:
b6343073
JQ		 2509 if (s->ar_flip_flop == 0) {
2510 val = s->ar_index;
e6e5ad80
FB		 2511 } else {
2512 val = 0;
2513 }
2514 break;
2515 case 0x3c1:
b6343073 2516 index = s->ar_index & 0x1f;
e6e5ad80 2517 if (index < 21)
b6343073 2518 val = s->ar[index];
e6e5ad80
FB		 2519 else
2520 val = 0;
2521 break;
2522 case 0x3c2:
b6343073 2523 val = s->st00;
e6e5ad80
FB		 2524 break;
2525 case 0x3c4:
b6343073 2526 val = s->sr_index;
e6e5ad80
FB		 2527 break;
2528 case 0x3c5:
8a82c322
JQ		 2529 val = cirrus_vga_read_sr(c);
2530 break;
e6e5ad80 2531#ifdef DEBUG_VGA_REG
b6343073 2532 printf("vga: read SR%x = 0x%02x\n", s->sr_index, val);
e6e5ad80
FB		 2533#endif
2534 break;
2535 case 0x3c6:
957c9db5 2536 val = cirrus_read_hidden_dac(c);
e6e5ad80
FB		 2537 break;
2538 case 0x3c7:
b6343073 2539 val = s->dac_state;
e6e5ad80 2540 break;
ae184e4a 2541 case 0x3c8:
b6343073
JQ		 2542 val = s->dac_write_index;
2543 c->cirrus_hidden_dac_lockindex = 0;
ae184e4a
FB		 2544 break;
2545 case 0x3c9:
5deaeee3
JQ		 2546 val = cirrus_vga_read_palette(c);
2547 break;
e6e5ad80 2548 case 0x3ca:
b6343073 2549 val = s->fcr;
e6e5ad80
FB		 2550 break;
2551 case 0x3cc:
b6343073 2552 val = s->msr;
e6e5ad80
FB		 2553 break;
2554 case 0x3ce:
b6343073 2555 val = s->gr_index;
e6e5ad80
FB		 2556 break;
2557 case 0x3cf:
f705db9d 2558 val = cirrus_vga_read_gr(c, s->gr_index);
e6e5ad80 2559#ifdef DEBUG_VGA_REG
b6343073 2560 printf("vga: read GR%x = 0x%02x\n", s->gr_index, val);
e6e5ad80
FB		 2561#endif
2562 break;
2563 case 0x3b4:
2564 case 0x3d4:
b6343073 2565 val = s->cr_index;
e6e5ad80
FB		 2566 break;
2567 case 0x3b5:
2568 case 0x3d5:
b863d514 2569 val = cirrus_vga_read_cr(c, s->cr_index);
e6e5ad80 2570#ifdef DEBUG_VGA_REG
b6343073 2571 printf("vga: read CR%x = 0x%02x\n", s->cr_index, val);
e6e5ad80
FB		 2572#endif
2573 break;
2574 case 0x3ba:
2575 case 0x3da:
2576 /* just toggle to fool polling */
b6343073
JQ		 2577 val = s->st01 = s->retrace(s);
2578 s->ar_flip_flop = 0;
e6e5ad80
FB		 2579 break;
2580 default:
2581 val = 0x00;
2582 break;
2583 }
2584 }
2585#if defined(DEBUG_VGA)
2586 printf("VGA: read addr=0x%04x data=0x%02x\n", addr, val);
2587#endif
2588 return val;
2589}
2590
c75e6d8e
JG		 2591static void cirrus_vga_ioport_write(void *opaque, hwaddr addr, uint64_t val,
2592 unsigned size)
e6e5ad80 2593{
b6343073
JQ		 2594 CirrusVGAState *c = opaque;
2595 VGACommonState *s = &c->vga;
e6e5ad80
FB		 2596 int index;
2597
c75e6d8e 2598 addr += 0x3b0;
bd8f2f5d 2599
e6e5ad80 2600 /* check port range access depending on color/monochrome mode */
b6343073 2601 if (vga_ioport_invalid(s, addr)) {
e6e5ad80 2602 return;
25a18cbd 2603 }
e6e5ad80
FB		 2604#ifdef DEBUG_VGA
2605 printf("VGA: write addr=0x%04x data=0x%02x\n", addr, val);
2606#endif
2607
2608 switch (addr) {
2609 case 0x3c0:
b6343073 2610 if (s->ar_flip_flop == 0) {
e6e5ad80 2611 val &= 0x3f;
b6343073 2612 s->ar_index = val;
e6e5ad80 2613 } else {
b6343073 2614 index = s->ar_index & 0x1f;
e6e5ad80
FB		 2615 switch (index) {
2616 case 0x00 ... 0x0f:
b6343073 2617 s->ar[index] = val & 0x3f;
e6e5ad80
FB		 2618 break;
2619 case 0x10:
b6343073 2620 s->ar[index] = val & ~0x10;
e6e5ad80
FB		 2621 break;
2622 case 0x11:
b6343073 2623 s->ar[index] = val;
e6e5ad80
FB		 2624 break;
2625 case 0x12:
b6343073 2626 s->ar[index] = val & ~0xc0;
e6e5ad80
FB		 2627 break;
2628 case 0x13:
b6343073 2629 s->ar[index] = val & ~0xf0;
e6e5ad80
FB		 2630 break;
2631 case 0x14:
b6343073 2632 s->ar[index] = val & ~0xf0;
e6e5ad80
FB		 2633 break;
2634 default:
2635 break;
2636 }
2637 }
b6343073 2638 s->ar_flip_flop ^= 1;
e6e5ad80
FB		 2639 break;
2640 case 0x3c2:
b6343073
JQ		 2641 s->msr = val & ~0x10;
2642 s->update_retrace_info(s);
e6e5ad80
FB		 2643 break;
2644 case 0x3c4:
b6343073 2645 s->sr_index = val;
e6e5ad80
FB		 2646 break;
2647 case 0x3c5:
e6e5ad80 2648#ifdef DEBUG_VGA_REG
e8ee4b68 2649 printf("vga: write SR%x = 0x%02" PRIu64 "\n", s->sr_index, val);
e6e5ad80 2650#endif
31c63201
JQ		 2651 cirrus_vga_write_sr(c, val);
2652 break;
e6e5ad80 2653 case 0x3c6:
b6343073 2654 cirrus_write_hidden_dac(c, val);
e6e5ad80
FB		 2655 break;
2656 case 0x3c7:
b6343073
JQ		 2657 s->dac_read_index = val;
2658 s->dac_sub_index = 0;
2659 s->dac_state = 3;
e6e5ad80
FB		 2660 break;
2661 case 0x3c8:
b6343073
JQ		 2662 s->dac_write_index = val;
2663 s->dac_sub_index = 0;
2664 s->dac_state = 0;
e6e5ad80
FB		 2665 break;
2666 case 0x3c9:
86948bb1
JQ		 2667 cirrus_vga_write_palette(c, val);
2668 break;
e6e5ad80 2669 case 0x3ce:
b6343073 2670 s->gr_index = val;
e6e5ad80
FB		 2671 break;
2672 case 0x3cf:
e6e5ad80 2673#ifdef DEBUG_VGA_REG
e8ee4b68 2674 printf("vga: write GR%x = 0x%02" PRIu64 "\n", s->gr_index, val);
e6e5ad80 2675#endif
22286bc6 2676 cirrus_vga_write_gr(c, s->gr_index, val);
e6e5ad80
FB		 2677 break;
2678 case 0x3b4:
2679 case 0x3d4:
b6343073 2680 s->cr_index = val;
e6e5ad80
FB		 2681 break;
2682 case 0x3b5:
2683 case 0x3d5:
e6e5ad80 2684#ifdef DEBUG_VGA_REG
e8ee4b68 2685 printf("vga: write CR%x = 0x%02"PRIu64"\n", s->cr_index, val);
e6e5ad80 2686#endif
4ec1ce04 2687 cirrus_vga_write_cr(c, val);
e6e5ad80
FB		 2688 break;
2689 case 0x3ba:
2690 case 0x3da:
b6343073 2691 s->fcr = val & 0x10;
e6e5ad80
FB		 2692 break;
2693 }
2694}
2695
e36f36e1
FB		 2696/***************************************
2697 *
2698 * memory-mapped I/O access
2699 *
2700 ***************************************/
2701
a8170e5e 2702static uint64_t cirrus_mmio_read(void *opaque, hwaddr addr,
1e04d4d6 2703 unsigned size)
e36f36e1 2704{
e05587e8 2705 CirrusVGAState *s = opaque;
e36f36e1 2706
e36f36e1
FB		 2707 if (addr >= 0x100) {
2708 return cirrus_mmio_blt_read(s, addr - 0x100);
2709 } else {
c75e6d8e 2710 return cirrus_vga_ioport_read(s, addr + 0x10, size);
e36f36e1
FB		 2711 }
2712}
2713
a8170e5e 2714static void cirrus_mmio_write(void *opaque, hwaddr addr,
1e04d4d6 2715 uint64_t val, unsigned size)
e36f36e1 2716{
e05587e8 2717 CirrusVGAState *s = opaque;
e36f36e1 2718
e36f36e1
FB		 2719 if (addr >= 0x100) {
2720 cirrus_mmio_blt_write(s, addr - 0x100, val);
2721 } else {
c75e6d8e 2722 cirrus_vga_ioport_write(s, addr + 0x10, val, size);
e36f36e1
FB		 2723 }
2724}
2725
b1950430
AK		 2726static const MemoryRegionOps cirrus_mmio_io_ops = {
2727 .read = cirrus_mmio_read,
2728 .write = cirrus_mmio_write,
2729 .endianness = DEVICE_LITTLE_ENDIAN,
1e04d4d6
AK		 2730 .impl = {
2731 .min_access_size = 1,
2732 .max_access_size = 1,
2733 },
e36f36e1
FB		 2734};
2735
2c6ab832
FB		 2736/* load/save state */
2737
e59fb374 2738static int cirrus_post_load(void *opaque, int version_id)
2c6ab832
FB		 2739{
2740 CirrusVGAState *s = opaque;
2741
4e12cd94
AK		 2742 s->vga.gr[0x00] = s->cirrus_shadow_gr0 & 0x0f;
2743 s->vga.gr[0x01] = s->cirrus_shadow_gr1 & 0x0f;
2c6ab832 2744
2bec46dc 2745 cirrus_update_memory_access(s);
2c6ab832 2746 /* force refresh */
4e12cd94 2747 s->vga.graphic_mode = -1;
2c6ab832
FB		 2748 cirrus_update_bank_ptr(s, 0);
2749 cirrus_update_bank_ptr(s, 1);
2750 return 0;
2751}
2752
7e72abc3
JQ		 2753static const VMStateDescription vmstate_cirrus_vga = {
2754 .name = "cirrus_vga",
2755 .version_id = 2,
2756 .minimum_version_id = 1,
7e72abc3 2757 .post_load = cirrus_post_load,
d49805ae 2758 .fields = (VMStateField[]) {
7e72abc3
JQ		 2759 VMSTATE_UINT32(vga.latch, CirrusVGAState),
2760 VMSTATE_UINT8(vga.sr_index, CirrusVGAState),
2761 VMSTATE_BUFFER(vga.sr, CirrusVGAState),
2762 VMSTATE_UINT8(vga.gr_index, CirrusVGAState),
2763 VMSTATE_UINT8(cirrus_shadow_gr0, CirrusVGAState),
2764 VMSTATE_UINT8(cirrus_shadow_gr1, CirrusVGAState),
2765 VMSTATE_BUFFER_START_MIDDLE(vga.gr, CirrusVGAState, 2),
2766 VMSTATE_UINT8(vga.ar_index, CirrusVGAState),
2767 VMSTATE_BUFFER(vga.ar, CirrusVGAState),
2768 VMSTATE_INT32(vga.ar_flip_flop, CirrusVGAState),
2769 VMSTATE_UINT8(vga.cr_index, CirrusVGAState),
2770 VMSTATE_BUFFER(vga.cr, CirrusVGAState),
2771 VMSTATE_UINT8(vga.msr, CirrusVGAState),
2772 VMSTATE_UINT8(vga.fcr, CirrusVGAState),
2773 VMSTATE_UINT8(vga.st00, CirrusVGAState),
2774 VMSTATE_UINT8(vga.st01, CirrusVGAState),
2775 VMSTATE_UINT8(vga.dac_state, CirrusVGAState),
2776 VMSTATE_UINT8(vga.dac_sub_index, CirrusVGAState),
2777 VMSTATE_UINT8(vga.dac_read_index, CirrusVGAState),
2778 VMSTATE_UINT8(vga.dac_write_index, CirrusVGAState),
2779 VMSTATE_BUFFER(vga.dac_cache, CirrusVGAState),
2780 VMSTATE_BUFFER(vga.palette, CirrusVGAState),
2781 VMSTATE_INT32(vga.bank_offset, CirrusVGAState),
2782 VMSTATE_UINT8(cirrus_hidden_dac_lockindex, CirrusVGAState),
2783 VMSTATE_UINT8(cirrus_hidden_dac_data, CirrusVGAState),
22382bb9
GH		 2784 VMSTATE_UINT32(vga.hw_cursor_x, CirrusVGAState),
2785 VMSTATE_UINT32(vga.hw_cursor_y, CirrusVGAState),
7e72abc3
JQ		 2786 /* XXX: we do not save the bitblt state - we assume we do not save
2787 the state when the blitter is active */
2788 VMSTATE_END_OF_LIST()
4f335feb 2789 }
7e72abc3 2790};
4f335feb 2791
7e72abc3
JQ		 2792static const VMStateDescription vmstate_pci_cirrus_vga = {
2793 .name = "cirrus_vga",
2794 .version_id = 2,
2795 .minimum_version_id = 2,
d49805ae 2796 .fields = (VMStateField[]) {
7e72abc3
JQ		 2797 VMSTATE_PCI_DEVICE(dev, PCICirrusVGAState),
2798 VMSTATE_STRUCT(cirrus_vga, PCICirrusVGAState, 0,
2799 vmstate_cirrus_vga, CirrusVGAState),
2800 VMSTATE_END_OF_LIST()
2801 }
2802};
4f335feb 2803
e6e5ad80
FB		 2804/***************************************
2805 *
2806 * initialize
2807 *
2808 ***************************************/
2809
4abc796d 2810static void cirrus_reset(void *opaque)
e6e5ad80 2811{
4abc796d 2812 CirrusVGAState *s = opaque;
e6e5ad80 2813
03a3e7ba 2814 vga_common_reset(&s->vga);
ee50c6bc 2815 unmap_linear_vram(s);
4e12cd94 2816 s->vga.sr[0x06] = 0x0f;
4abc796d 2817 if (s->device_id == CIRRUS_ID_CLGD5446) {
78e127ef 2818 /* 4MB 64 bit memory config, always PCI */
4e12cd94
AK		 2819 s->vga.sr[0x1F] = 0x2d; // MemClock
2820 s->vga.gr[0x18] = 0x0f; // fastest memory configuration
2821 s->vga.sr[0x0f] = 0x98;
2822 s->vga.sr[0x17] = 0x20;
2823 s->vga.sr[0x15] = 0x04; /* memory size, 3=2MB, 4=4MB */
78e127ef 2824 } else {
4e12cd94
AK		 2825 s->vga.sr[0x1F] = 0x22; // MemClock
2826 s->vga.sr[0x0F] = CIRRUS_MEMSIZE_2M;
2827 s->vga.sr[0x17] = s->bustype;
2828 s->vga.sr[0x15] = 0x03; /* memory size, 3=2MB, 4=4MB */
78e127ef 2829 }
4e12cd94 2830 s->vga.cr[0x27] = s->device_id;
e6e5ad80
FB		 2831
2832 s->cirrus_hidden_dac_lockindex = 5;
2833 s->cirrus_hidden_dac_data = 0;
4abc796d
BS		 2834}
2835
b1950430
AK		 2836static const MemoryRegionOps cirrus_linear_io_ops = {
2837 .read = cirrus_linear_read,
2838 .write = cirrus_linear_write,
2839 .endianness = DEVICE_LITTLE_ENDIAN,
899adf81
AK		 2840 .impl = {
2841 .min_access_size = 1,
2842 .max_access_size = 1,
2843 },
b1950430
AK		 2844};
2845
c75e6d8e
JG		 2846static const MemoryRegionOps cirrus_vga_io_ops = {
2847 .read = cirrus_vga_ioport_read,
2848 .write = cirrus_vga_ioport_write,
2849 .endianness = DEVICE_LITTLE_ENDIAN,
2850 .impl = {
2851 .min_access_size = 1,
2852 .max_access_size = 1,
2853 },
2854};
2855
9eb58a47
PB		 2856static void cirrus_init_common(CirrusVGAState *s, Object *owner,
2857 int device_id, int is_pci,
c75e6d8e
JG		 2858 MemoryRegion *system_memory,
2859 MemoryRegion *system_io)
4abc796d
BS		 2860{
2861 int i;
2862 static int inited;
2863
2864 if (!inited) {
2865 inited = 1;
2866 for(i = 0;i < 256; i++)
2867 rop_to_index[i] = CIRRUS_ROP_NOP_INDEX; /* nop rop */
2868 rop_to_index[CIRRUS_ROP_0] = 0;
2869 rop_to_index[CIRRUS_ROP_SRC_AND_DST] = 1;
2870 rop_to_index[CIRRUS_ROP_NOP] = 2;
2871 rop_to_index[CIRRUS_ROP_SRC_AND_NOTDST] = 3;
2872 rop_to_index[CIRRUS_ROP_NOTDST] = 4;
2873 rop_to_index[CIRRUS_ROP_SRC] = 5;
2874 rop_to_index[CIRRUS_ROP_1] = 6;
2875 rop_to_index[CIRRUS_ROP_NOTSRC_AND_DST] = 7;
2876 rop_to_index[CIRRUS_ROP_SRC_XOR_DST] = 8;
2877 rop_to_index[CIRRUS_ROP_SRC_OR_DST] = 9;
2878 rop_to_index[CIRRUS_ROP_NOTSRC_OR_NOTDST] = 10;
2879 rop_to_index[CIRRUS_ROP_SRC_NOTXOR_DST] = 11;
2880 rop_to_index[CIRRUS_ROP_SRC_OR_NOTDST] = 12;
2881 rop_to_index[CIRRUS_ROP_NOTSRC] = 13;
2882 rop_to_index[CIRRUS_ROP_NOTSRC_OR_DST] = 14;
2883 rop_to_index[CIRRUS_ROP_NOTSRC_AND_NOTDST] = 15;
2884 s->device_id = device_id;
2885 if (is_pci)
2886 s->bustype = CIRRUS_BUSTYPE_PCI;
2887 else
2888 s->bustype = CIRRUS_BUSTYPE_ISA;
2889 }
2890
c75e6d8e 2891 /* Register ioport 0x3b0 - 0x3df */
9eb58a47 2892 memory_region_init_io(&s->cirrus_vga_io, owner, &cirrus_vga_io_ops, s,
c75e6d8e 2893 "cirrus-io", 0x30);
eb25a1d9 2894 memory_region_set_flush_coalesced(&s->cirrus_vga_io);
c75e6d8e 2895 memory_region_add_subregion(system_io, 0x3b0, &s->cirrus_vga_io);
4abc796d 2896
9eb58a47 2897 memory_region_init(&s->low_mem_container, owner,
b1950430
AK		 2898 "cirrus-lowmem-container",
2899 0x20000);
2900
9eb58a47 2901 memory_region_init_io(&s->low_mem, owner, &cirrus_vga_mem_ops, s,
b1950430
AK		 2902 "cirrus-low-memory", 0x20000);
2903 memory_region_add_subregion(&s->low_mem_container, 0, &s->low_mem);
7969d9ed
AK		 2904 for (i = 0; i < 2; ++i) {
2905 static const char *names[] = { "vga.bank0", "vga.bank1" };
2906 MemoryRegion *bank = &s->cirrus_bank[i];
9eb58a47
PB		 2907 memory_region_init_alias(bank, owner, names[i], &s->vga.vram,
2908 0, 0x8000);
7969d9ed
AK		 2909 memory_region_set_enabled(bank, false);
2910 memory_region_add_subregion_overlap(&s->low_mem_container, i * 0x8000,
2911 bank, 1);
2912 }
be20f9e9 2913 memory_region_add_subregion_overlap(system_memory,
b19c1c08 2914 0x000a0000,
b1950430
AK		 2915 &s->low_mem_container,
2916 1);
2917 memory_region_set_coalescing(&s->low_mem);
2c6ab832 2918
fefe54e3 2919 /* I/O handler for LFB */
9eb58a47 2920 memory_region_init_io(&s->cirrus_linear_io, owner, &cirrus_linear_io_ops, s,
19403a68
MT		 2921 "cirrus-linear-io", s->vga.vram_size_mb
2922 * 1024 * 1024);
bd8f2f5d 2923 memory_region_set_flush_coalesced(&s->cirrus_linear_io);
fefe54e3
AL		 2924
2925 /* I/O handler for LFB */
9eb58a47 2926 memory_region_init_io(&s->cirrus_linear_bitblt_io, owner,
b1950430
AK		 2927 &cirrus_linear_bitblt_io_ops,
2928 s,
2929 "cirrus-bitblt-mmio",
2930 0x400000);
bd8f2f5d 2931 memory_region_set_flush_coalesced(&s->cirrus_linear_bitblt_io);
fefe54e3
AL		 2932
2933 /* I/O handler for memory-mapped I/O */
9eb58a47 2934 memory_region_init_io(&s->cirrus_mmio_io, owner, &cirrus_mmio_io_ops, s,
b1950430 2935 "cirrus-mmio", CIRRUS_PNPMMIO_SIZE);
bd8f2f5d 2936 memory_region_set_flush_coalesced(&s->cirrus_mmio_io);
fefe54e3
AL		 2937
2938 s->real_vram_size =
2939 (s->device_id == CIRRUS_ID_CLGD5446) ? 4096 * 1024 : 2048 * 1024;
2940
4e12cd94 2941 /* XXX: s->vga.vram_size must be a power of two */
fefe54e3
AL		 2942 s->cirrus_addr_mask = s->real_vram_size - 1;
2943 s->linear_mmio_mask = s->real_vram_size - 256;
2944
4e12cd94
AK		 2945 s->vga.get_bpp = cirrus_get_bpp;
2946 s->vga.get_offsets = cirrus_get_offsets;
2947 s->vga.get_resolution = cirrus_get_resolution;
2948 s->vga.cursor_invalidate = cirrus_cursor_invalidate;
2949 s->vga.cursor_draw_line = cirrus_cursor_draw_line;
fefe54e3 2950
a08d4367 2951 qemu_register_reset(cirrus_reset, s);
e6e5ad80
FB		 2952}
2953
2954/***************************************
2955 *
2956 * ISA bus support
2957 *
2958 ***************************************/
2959
db895a1e 2960static void isa_cirrus_vga_realizefn(DeviceState *dev, Error **errp)
e6e5ad80 2961{
db895a1e 2962 ISADevice *isadev = ISA_DEVICE(dev);
6d4c2f17 2963 ISACirrusVGAState *d = ISA_CIRRUS_VGA(dev);
3d402831
BS		 2964 VGACommonState *s = &d->cirrus_vga.vga;
2965
f61d82c2
GA		 2966 /* follow real hardware, cirrus card emulated has 4 MB video memory.
2967 Also accept 8 MB/16 MB for backward compatibility. */
2968 if (s->vram_size_mb != 4 && s->vram_size_mb != 8 &&
2969 s->vram_size_mb != 16) {
2970 error_setg(errp, "Invalid cirrus_vga ram size '%u'",
2971 s->vram_size_mb);
2972 return;
2973 }
e2bbfc8e 2974 vga_common_init(s, OBJECT(dev), true);
9eb58a47 2975 cirrus_init_common(&d->cirrus_vga, OBJECT(dev), CIRRUS_ID_CLGD5430, 0,
db895a1e
AF		 2976 isa_address_space(isadev),
2977 isa_address_space_io(isadev));
5643706a 2978 s->con = graphic_console_init(dev, 0, s->hw_ops, s);
5245d57a 2979 rom_add_vga(VGABIOS_CIRRUS_FILENAME);
e6e5ad80 2980 /* XXX ISA-LFB support */
ad6d45fa 2981 /* FIXME not qdev yet */
3d402831
BS		 2982}
2983
6d4c2f17 2984static Property isa_cirrus_vga_properties[] = {
19403a68
MT		 2985 DEFINE_PROP_UINT32("vgamem_mb", struct ISACirrusVGAState,
2986 cirrus_vga.vga.vram_size_mb, 8),
2987 DEFINE_PROP_END_OF_LIST(),
2988};
2989
8f04ee08
AL		 2990static void isa_cirrus_vga_class_init(ObjectClass *klass, void *data)
2991{
39bffca2 2992 DeviceClass *dc = DEVICE_CLASS(klass);
8f04ee08 2993
39bffca2 2994 dc->vmsd = &vmstate_cirrus_vga;
db895a1e 2995 dc->realize = isa_cirrus_vga_realizefn;
6d4c2f17 2996 dc->props = isa_cirrus_vga_properties;
125ee0ed 2997 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
8f04ee08
AL		 2998}
2999
8c43a6f0 3000static const TypeInfo isa_cirrus_vga_info = {
6d4c2f17 3001 .name = TYPE_ISA_CIRRUS_VGA,
39bffca2
AL		 3002 .parent = TYPE_ISA_DEVICE,
3003 .instance_size = sizeof(ISACirrusVGAState),
8f04ee08 3004 .class_init = isa_cirrus_vga_class_init,
3d402831
BS		 3005};
3006
e6e5ad80
FB		 3007/***************************************
3008 *
3009 * PCI bus support
3010 *
3011 ***************************************/
3012
f409edf7 3013static void pci_cirrus_vga_realize(PCIDevice *dev, Error **errp)
a414c306 3014{
d338bae3 3015 PCICirrusVGAState *d = PCI_CIRRUS_VGA(dev);
a414c306 3016 CirrusVGAState *s = &d->cirrus_vga;
40021f08
AL		 3017 PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev);
3018 int16_t device_id = pc->device_id;
a414c306 3019
f61d82c2
GA		 3020 /* follow real hardware, cirrus card emulated has 4 MB video memory.
3021 Also accept 8 MB/16 MB for backward compatibility. */
3022 if (s->vga.vram_size_mb != 4 && s->vga.vram_size_mb != 8 &&
3023 s->vga.vram_size_mb != 16) {
f409edf7
MA		 3024 error_setg(errp, "Invalid cirrus_vga ram size '%u'",
3025 s->vga.vram_size_mb);
3026 return;
f61d82c2 3027 }
a414c306 3028 /* setup VGA */
e2bbfc8e 3029 vga_common_init(&s->vga, OBJECT(dev), true);
9eb58a47 3030 cirrus_init_common(s, OBJECT(dev), device_id, 1, pci_address_space(dev),
c75e6d8e 3031 pci_address_space_io(dev));
5643706a 3032 s->vga.con = graphic_console_init(DEVICE(dev), 0, s->vga.hw_ops, &s->vga);
a414c306
GH		 3033
3034 /* setup PCI */
a414c306 3035
3eadad55 3036 memory_region_init(&s->pci_bar, OBJECT(dev), "cirrus-pci-bar0", 0x2000000);
b1950430
AK		 3037
3038 /* XXX: add byte swapping apertures */
3039 memory_region_add_subregion(&s->pci_bar, 0, &s->cirrus_linear_io);
3040 memory_region_add_subregion(&s->pci_bar, 0x1000000,
3041 &s->cirrus_linear_bitblt_io);
3042
a414c306
GH		 3043 /* setup memory space */
3044 /* memory #0 LFB */
3045 /* memory #1 memory-mapped I/O */
3046 /* XXX: s->vga.vram_size must be a power of two */
e824b2cc 3047 pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_MEM_PREFETCH, &s->pci_bar);
a414c306 3048 if (device_id == CIRRUS_ID_CLGD5446) {
e824b2cc 3049 pci_register_bar(&d->dev, 1, 0, &s->cirrus_mmio_io);
a414c306 3050 }
a414c306
GH		 3051}
3052
19403a68
MT		 3053static Property pci_vga_cirrus_properties[] = {
3054 DEFINE_PROP_UINT32("vgamem_mb", struct PCICirrusVGAState,
3055 cirrus_vga.vga.vram_size_mb, 8),
3056 DEFINE_PROP_END_OF_LIST(),
3057};
3058
40021f08
AL		 3059static void cirrus_vga_class_init(ObjectClass *klass, void *data)
3060{
39bffca2 3061 DeviceClass *dc = DEVICE_CLASS(klass);
40021f08
AL		 3062 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
3063
f409edf7 3064 k->realize = pci_cirrus_vga_realize;
40021f08
AL		 3065 k->romfile = VGABIOS_CIRRUS_FILENAME;
3066 k->vendor_id = PCI_VENDOR_ID_CIRRUS;
3067 k->device_id = CIRRUS_ID_CLGD5446;
3068 k->class_id = PCI_CLASS_DISPLAY_VGA;
125ee0ed 3069 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
39bffca2
AL		 3070 dc->desc = "Cirrus CLGD 54xx VGA";
3071 dc->vmsd = &vmstate_pci_cirrus_vga;
19403a68 3072 dc->props = pci_vga_cirrus_properties;
2897ae02 3073 dc->hotpluggable = false;
40021f08
AL		 3074}
3075
8c43a6f0 3076static const TypeInfo cirrus_vga_info = {
d338bae3 3077 .name = TYPE_PCI_CIRRUS_VGA,
39bffca2
AL		 3078 .parent = TYPE_PCI_DEVICE,
3079 .instance_size = sizeof(PCICirrusVGAState),
3080 .class_init = cirrus_vga_class_init,
a414c306 3081};
e6e5ad80 3082
83f7d43a 3083static void cirrus_vga_register_types(void)
a414c306 3084{
83f7d43a 3085 type_register_static(&isa_cirrus_vga_info);
39bffca2 3086 type_register_static(&cirrus_vga_info);
e6e5ad80 3087}
83f7d43a
AF		 3088
3089type_init(cirrus_vga_register_types)
Empty description
This page took 1.250663 seconds and 4 git commands to generate.