1 /* 2 * QEMU Cirrus CLGD 54xx VGA Emulator. 3 * 4 * Copyright (c) 2004 Fabrice Bellard 5 * Copyright (c) 2004 Makoto Suzuki (suzu) 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a copy 8 * of this software and associated documentation files (the "Software"), to deal 9 * in the Software without restriction, including without limitation the rights 10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 * copies of the Software, and to permit persons to whom the Software is 12 * furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 * THE SOFTWARE. 24 */ 25 /* 26 * Reference: Finn Thogersons' VGADOC4b 27 * available at http://home.worldonline.dk/~finth/ 28 */ 29 #include "hw/hw.h" 30 #include "hw/pci/pci.h" 31 #include "ui/console.h" 32 #include "vga_int.h" 33 #include "hw/loader.h" 34 35 /* 36 * TODO: 37 * - destination write mask support not complete (bits 5..7) 38 * - optimize linear mappings 39 * - optimize bitblt functions 40 */ 41 42 //#define DEBUG_CIRRUS 43 //#define DEBUG_BITBLT 44 45 /*************************************** 46 * 47 * definitions 48 * 49 ***************************************/ 50 51 // ID 52 #define CIRRUS_ID_CLGD5422 (0x23<<2) 53 #define CIRRUS_ID_CLGD5426 (0x24<<2) 54 #define CIRRUS_ID_CLGD5424 (0x25<<2) 55 #define CIRRUS_ID_CLGD5428 (0x26<<2) 56 #define CIRRUS_ID_CLGD5430 (0x28<<2) 57 #define CIRRUS_ID_CLGD5434 (0x2A<<2) 58 #define CIRRUS_ID_CLGD5436 (0x2B<<2) 59 #define CIRRUS_ID_CLGD5446 (0x2E<<2) 60 61 // sequencer 0x07 62 #define CIRRUS_SR7_BPP_VGA 0x00 63 #define CIRRUS_SR7_BPP_SVGA 0x01 64 #define CIRRUS_SR7_BPP_MASK 0x0e 65 #define CIRRUS_SR7_BPP_8 0x00 66 #define CIRRUS_SR7_BPP_16_DOUBLEVCLK 0x02 67 #define CIRRUS_SR7_BPP_24 0x04 68 #define CIRRUS_SR7_BPP_16 0x06 69 #define CIRRUS_SR7_BPP_32 0x08 70 #define CIRRUS_SR7_ISAADDR_MASK 0xe0 71 72 // sequencer 0x0f 73 #define CIRRUS_MEMSIZE_512k 0x08 74 #define CIRRUS_MEMSIZE_1M 0x10 75 #define CIRRUS_MEMSIZE_2M 0x18 76 #define CIRRUS_MEMFLAGS_BANKSWITCH 0x80 // bank switching is enabled. 77 78 // sequencer 0x12 79 #define CIRRUS_CURSOR_SHOW 0x01 80 #define CIRRUS_CURSOR_HIDDENPEL 0x02 81 #define CIRRUS_CURSOR_LARGE 0x04 // 64x64 if set, 32x32 if clear 82 83 // sequencer 0x17 84 #define CIRRUS_BUSTYPE_VLBFAST 0x10 85 #define CIRRUS_BUSTYPE_PCI 0x20 86 #define CIRRUS_BUSTYPE_VLBSLOW 0x30 87 #define CIRRUS_BUSTYPE_ISA 0x38 88 #define CIRRUS_MMIO_ENABLE 0x04 89 #define CIRRUS_MMIO_USE_PCIADDR 0x40 // 0xb8000 if cleared. 90 #define CIRRUS_MEMSIZEEXT_DOUBLE 0x80 91 92 // control 0x0b 93 #define CIRRUS_BANKING_DUAL 0x01 94 #define CIRRUS_BANKING_GRANULARITY_16K 0x20 // set:16k, clear:4k 95 96 // control 0x30 97 #define CIRRUS_BLTMODE_BACKWARDS 0x01 98 #define CIRRUS_BLTMODE_MEMSYSDEST 0x02 99 #define CIRRUS_BLTMODE_MEMSYSSRC 0x04 100 #define CIRRUS_BLTMODE_TRANSPARENTCOMP 0x08 101 #define CIRRUS_BLTMODE_PATTERNCOPY 0x40 102 #define CIRRUS_BLTMODE_COLOREXPAND 0x80 103 #define CIRRUS_BLTMODE_PIXELWIDTHMASK 0x30 104 #define CIRRUS_BLTMODE_PIXELWIDTH8 0x00 105 #define CIRRUS_BLTMODE_PIXELWIDTH16 0x10 106 #define CIRRUS_BLTMODE_PIXELWIDTH24 0x20 107 #define CIRRUS_BLTMODE_PIXELWIDTH32 0x30 108 109 // control 0x31 110 #define CIRRUS_BLT_BUSY 0x01 111 #define CIRRUS_BLT_START 0x02 112 #define CIRRUS_BLT_RESET 0x04 113 #define CIRRUS_BLT_FIFOUSED 0x10 114 #define CIRRUS_BLT_AUTOSTART 0x80 115 116 // control 0x32 117 #define CIRRUS_ROP_0 0x00 118 #define CIRRUS_ROP_SRC_AND_DST 0x05 119 #define CIRRUS_ROP_NOP 0x06 120 #define CIRRUS_ROP_SRC_AND_NOTDST 0x09 121 #define CIRRUS_ROP_NOTDST 0x0b 122 #define CIRRUS_ROP_SRC 0x0d 123 #define CIRRUS_ROP_1 0x0e 124 #define CIRRUS_ROP_NOTSRC_AND_DST 0x50 125 #define CIRRUS_ROP_SRC_XOR_DST 0x59 126 #define CIRRUS_ROP_SRC_OR_DST 0x6d 127 #define CIRRUS_ROP_NOTSRC_OR_NOTDST 0x90 128 #define CIRRUS_ROP_SRC_NOTXOR_DST 0x95 129 #define CIRRUS_ROP_SRC_OR_NOTDST 0xad 130 #define CIRRUS_ROP_NOTSRC 0xd0 131 #define CIRRUS_ROP_NOTSRC_OR_DST 0xd6 132 #define CIRRUS_ROP_NOTSRC_AND_NOTDST 0xda 133 134 #define CIRRUS_ROP_NOP_INDEX 2 135 #define CIRRUS_ROP_SRC_INDEX 5 136 137 // control 0x33 138 #define CIRRUS_BLTMODEEXT_SOLIDFILL 0x04 139 #define CIRRUS_BLTMODEEXT_COLOREXPINV 0x02 140 #define CIRRUS_BLTMODEEXT_DWORDGRANULARITY 0x01 141 142 // memory-mapped IO 143 #define CIRRUS_MMIO_BLTBGCOLOR 0x00 // dword 144 #define CIRRUS_MMIO_BLTFGCOLOR 0x04 // dword 145 #define CIRRUS_MMIO_BLTWIDTH 0x08 // word 146 #define CIRRUS_MMIO_BLTHEIGHT 0x0a // word 147 #define CIRRUS_MMIO_BLTDESTPITCH 0x0c // word 148 #define CIRRUS_MMIO_BLTSRCPITCH 0x0e // word 149 #define CIRRUS_MMIO_BLTDESTADDR 0x10 // dword 150 #define CIRRUS_MMIO_BLTSRCADDR 0x14 // dword 151 #define CIRRUS_MMIO_BLTWRITEMASK 0x17 // byte 152 #define CIRRUS_MMIO_BLTMODE 0x18 // byte 153 #define CIRRUS_MMIO_BLTROP 0x1a // byte 154 #define CIRRUS_MMIO_BLTMODEEXT 0x1b // byte 155 #define CIRRUS_MMIO_BLTTRANSPARENTCOLOR 0x1c // word? 156 #define CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK 0x20 // word? 157 #define CIRRUS_MMIO_LINEARDRAW_START_X 0x24 // word 158 #define CIRRUS_MMIO_LINEARDRAW_START_Y 0x26 // word 159 #define CIRRUS_MMIO_LINEARDRAW_END_X 0x28 // word 160 #define CIRRUS_MMIO_LINEARDRAW_END_Y 0x2a // word 161 #define CIRRUS_MMIO_LINEARDRAW_LINESTYLE_INC 0x2c // byte 162 #define CIRRUS_MMIO_LINEARDRAW_LINESTYLE_ROLLOVER 0x2d // byte 163 #define CIRRUS_MMIO_LINEARDRAW_LINESTYLE_MASK 0x2e // byte 164 #define CIRRUS_MMIO_LINEARDRAW_LINESTYLE_ACCUM 0x2f // byte 165 #define CIRRUS_MMIO_BRESENHAM_K1 0x30 // word 166 #define CIRRUS_MMIO_BRESENHAM_K3 0x32 // word 167 #define CIRRUS_MMIO_BRESENHAM_ERROR 0x34 // word 168 #define CIRRUS_MMIO_BRESENHAM_DELTA_MAJOR 0x36 // word 169 #define CIRRUS_MMIO_BRESENHAM_DIRECTION 0x38 // byte 170 #define CIRRUS_MMIO_LINEDRAW_MODE 0x39 // byte 171 #define CIRRUS_MMIO_BLTSTATUS 0x40 // byte 172 173 #define CIRRUS_PNPMMIO_SIZE 0x1000 174 175 #define BLTUNSAFE(s) \ 176 ( \ 177 ( /* check dst is within bounds */ \ 178 (s)->cirrus_blt_height * ABS((s)->cirrus_blt_dstpitch) \ 179 + ((s)->cirrus_blt_dstaddr & (s)->cirrus_addr_mask) > \ 180 (s)->vga.vram_size \ 181 ) || \ 182 ( /* check src is within bounds */ \ 183 (s)->cirrus_blt_height * ABS((s)->cirrus_blt_srcpitch) \ 184 + ((s)->cirrus_blt_srcaddr & (s)->cirrus_addr_mask) > \ 185 (s)->vga.vram_size \ 186 ) \ 187 ) 188 189 struct CirrusVGAState; 190 typedef void (*cirrus_bitblt_rop_t) (struct CirrusVGAState *s, 191 uint8_t * dst, const uint8_t * src, 192 int dstpitch, int srcpitch, 193 int bltwidth, int bltheight); 194 typedef void (*cirrus_fill_t)(struct CirrusVGAState *s, 195 uint8_t *dst, int dst_pitch, int width, int height); 196 197 typedef struct CirrusVGAState { 198 VGACommonState vga; 199 200 MemoryRegion cirrus_vga_io; 201 MemoryRegion cirrus_linear_io; 202 MemoryRegion cirrus_linear_bitblt_io; 203 MemoryRegion cirrus_mmio_io; 204 MemoryRegion pci_bar; 205 bool linear_vram; /* vga.vram mapped over cirrus_linear_io */ 206 MemoryRegion low_mem_container; /* container for 0xa0000-0xc0000 */ 207 MemoryRegion low_mem; /* always mapped, overridden by: */ 208 MemoryRegion cirrus_bank[2]; /* aliases at 0xa0000-0xb0000 */ 209 uint32_t cirrus_addr_mask; 210 uint32_t linear_mmio_mask; 211 uint8_t cirrus_shadow_gr0; 212 uint8_t cirrus_shadow_gr1; 213 uint8_t cirrus_hidden_dac_lockindex; 214 uint8_t cirrus_hidden_dac_data; 215 uint32_t cirrus_bank_base[2]; 216 uint32_t cirrus_bank_limit[2]; 217 uint8_t cirrus_hidden_palette[48]; 218 uint32_t hw_cursor_x; 219 uint32_t hw_cursor_y; 220 int cirrus_blt_pixelwidth; 221 int cirrus_blt_width; 222 int cirrus_blt_height; 223 int cirrus_blt_dstpitch; 224 int cirrus_blt_srcpitch; 225 uint32_t cirrus_blt_fgcol; 226 uint32_t cirrus_blt_bgcol; 227 uint32_t cirrus_blt_dstaddr; 228 uint32_t cirrus_blt_srcaddr; 229 uint8_t cirrus_blt_mode; 230 uint8_t cirrus_blt_modeext; 231 cirrus_bitblt_rop_t cirrus_rop; 232 #define CIRRUS_BLTBUFSIZE (2048 * 4) /* one line width */ 233 uint8_t cirrus_bltbuf[CIRRUS_BLTBUFSIZE]; 234 uint8_t *cirrus_srcptr; 235 uint8_t *cirrus_srcptr_end; 236 uint32_t cirrus_srccounter; 237 /* hwcursor display state */ 238 int last_hw_cursor_size; 239 int last_hw_cursor_x; 240 int last_hw_cursor_y; 241 int last_hw_cursor_y_start; 242 int last_hw_cursor_y_end; 243 int real_vram_size; /* XXX: suppress that */ 244 int device_id; 245 int bustype; 246 } CirrusVGAState; 247 248 typedef struct PCICirrusVGAState { 249 PCIDevice dev; 250 CirrusVGAState cirrus_vga; 251 } PCICirrusVGAState; 252 253 #define TYPE_ISA_CIRRUS_VGA "isa-cirrus-vga" 254 #define ISA_CIRRUS_VGA(obj) \ 255 OBJECT_CHECK(ISACirrusVGAState, (obj), TYPE_ISA_CIRRUS_VGA) 256 257 typedef struct ISACirrusVGAState { 258 ISADevice parent_obj; 259 260 CirrusVGAState cirrus_vga; 261 } ISACirrusVGAState; 262 263 static uint8_t rop_to_index[256]; 264 265 /*************************************** 266 * 267 * prototypes. 268 * 269 ***************************************/ 270 271 272 static void cirrus_bitblt_reset(CirrusVGAState *s); 273 static void cirrus_update_memory_access(CirrusVGAState *s); 274 275 /*************************************** 276 * 277 * raster operations 278 * 279 ***************************************/ 280 281 static void cirrus_bitblt_rop_nop(CirrusVGAState *s, 282 uint8_t *dst,const uint8_t *src, 283 int dstpitch,int srcpitch, 284 int bltwidth,int bltheight) 285 { 286 } 287 288 static void cirrus_bitblt_fill_nop(CirrusVGAState *s, 289 uint8_t *dst, 290 int dstpitch, int bltwidth,int bltheight) 291 { 292 } 293 294 #define ROP_NAME 0 295 #define ROP_FN(d, s) 0 296 #include "cirrus_vga_rop.h" 297 298 #define ROP_NAME src_and_dst 299 #define ROP_FN(d, s) (s) & (d) 300 #include "cirrus_vga_rop.h" 301 302 #define ROP_NAME src_and_notdst 303 #define ROP_FN(d, s) (s) & (~(d)) 304 #include "cirrus_vga_rop.h" 305 306 #define ROP_NAME notdst 307 #define ROP_FN(d, s) ~(d) 308 #include "cirrus_vga_rop.h" 309 310 #define ROP_NAME src 311 #define ROP_FN(d, s) s 312 #include "cirrus_vga_rop.h" 313 314 #define ROP_NAME 1 315 #define ROP_FN(d, s) ~0 316 #include "cirrus_vga_rop.h" 317 318 #define ROP_NAME notsrc_and_dst 319 #define ROP_FN(d, s) (~(s)) & (d) 320 #include "cirrus_vga_rop.h" 321 322 #define ROP_NAME src_xor_dst 323 #define ROP_FN(d, s) (s) ^ (d) 324 #include "cirrus_vga_rop.h" 325 326 #define ROP_NAME src_or_dst 327 #define ROP_FN(d, s) (s) | (d) 328 #include "cirrus_vga_rop.h" 329 330 #define ROP_NAME notsrc_or_notdst 331 #define ROP_FN(d, s) (~(s)) | (~(d)) 332 #include "cirrus_vga_rop.h" 333 334 #define ROP_NAME src_notxor_dst 335 #define ROP_FN(d, s) ~((s) ^ (d)) 336 #include "cirrus_vga_rop.h" 337 338 #define ROP_NAME src_or_notdst 339 #define ROP_FN(d, s) (s) | (~(d)) 340 #include "cirrus_vga_rop.h" 341 342 #define ROP_NAME notsrc 343 #define ROP_FN(d, s) (~(s)) 344 #include "cirrus_vga_rop.h" 345 346 #define ROP_NAME notsrc_or_dst 347 #define ROP_FN(d, s) (~(s)) | (d) 348 #include "cirrus_vga_rop.h" 349 350 #define ROP_NAME notsrc_and_notdst 351 #define ROP_FN(d, s) (~(s)) & (~(d)) 352 #include "cirrus_vga_rop.h" 353 354 static const cirrus_bitblt_rop_t cirrus_fwd_rop[16] = { 355 cirrus_bitblt_rop_fwd_0, 356 cirrus_bitblt_rop_fwd_src_and_dst, 357 cirrus_bitblt_rop_nop, 358 cirrus_bitblt_rop_fwd_src_and_notdst, 359 cirrus_bitblt_rop_fwd_notdst, 360 cirrus_bitblt_rop_fwd_src, 361 cirrus_bitblt_rop_fwd_1, 362 cirrus_bitblt_rop_fwd_notsrc_and_dst, 363 cirrus_bitblt_rop_fwd_src_xor_dst, 364 cirrus_bitblt_rop_fwd_src_or_dst, 365 cirrus_bitblt_rop_fwd_notsrc_or_notdst, 366 cirrus_bitblt_rop_fwd_src_notxor_dst, 367 cirrus_bitblt_rop_fwd_src_or_notdst, 368 cirrus_bitblt_rop_fwd_notsrc, 369 cirrus_bitblt_rop_fwd_notsrc_or_dst, 370 cirrus_bitblt_rop_fwd_notsrc_and_notdst, 371 }; 372 373 static const cirrus_bitblt_rop_t cirrus_bkwd_rop[16] = { 374 cirrus_bitblt_rop_bkwd_0, 375 cirrus_bitblt_rop_bkwd_src_and_dst, 376 cirrus_bitblt_rop_nop, 377 cirrus_bitblt_rop_bkwd_src_and_notdst, 378 cirrus_bitblt_rop_bkwd_notdst, 379 cirrus_bitblt_rop_bkwd_src, 380 cirrus_bitblt_rop_bkwd_1, 381 cirrus_bitblt_rop_bkwd_notsrc_and_dst, 382 cirrus_bitblt_rop_bkwd_src_xor_dst, 383 cirrus_bitblt_rop_bkwd_src_or_dst, 384 cirrus_bitblt_rop_bkwd_notsrc_or_notdst, 385 cirrus_bitblt_rop_bkwd_src_notxor_dst, 386 cirrus_bitblt_rop_bkwd_src_or_notdst, 387 cirrus_bitblt_rop_bkwd_notsrc, 388 cirrus_bitblt_rop_bkwd_notsrc_or_dst, 389 cirrus_bitblt_rop_bkwd_notsrc_and_notdst, 390 }; 391 392 #define TRANSP_ROP(name) {\ 393 name ## _8,\ 394 name ## _16,\ 395 } 396 #define TRANSP_NOP(func) {\ 397 func,\ 398 func,\ 399 } 400 401 static const cirrus_bitblt_rop_t cirrus_fwd_transp_rop[16][2] = { 402 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_0), 403 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_and_dst), 404 TRANSP_NOP(cirrus_bitblt_rop_nop), 405 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_and_notdst), 406 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notdst), 407 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src), 408 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_1), 409 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_and_dst), 410 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_xor_dst), 411 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_or_dst), 412 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_or_notdst), 413 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_notxor_dst), 414 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_src_or_notdst), 415 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc), 416 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_or_dst), 417 TRANSP_ROP(cirrus_bitblt_rop_fwd_transp_notsrc_and_notdst), 418 }; 419 420 static const cirrus_bitblt_rop_t cirrus_bkwd_transp_rop[16][2] = { 421 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_0), 422 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_and_dst), 423 TRANSP_NOP(cirrus_bitblt_rop_nop), 424 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_and_notdst), 425 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notdst), 426 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src), 427 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_1), 428 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_and_dst), 429 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_xor_dst), 430 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_or_dst), 431 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_or_notdst), 432 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_notxor_dst), 433 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_src_or_notdst), 434 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc), 435 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_or_dst), 436 TRANSP_ROP(cirrus_bitblt_rop_bkwd_transp_notsrc_and_notdst), 437 }; 438 439 #define ROP2(name) {\ 440 name ## _8,\ 441 name ## _16,\ 442 name ## _24,\ 443 name ## _32,\ 444 } 445 446 #define ROP_NOP2(func) {\ 447 func,\ 448 func,\ 449 func,\ 450 func,\ 451 } 452 453 static const cirrus_bitblt_rop_t cirrus_patternfill[16][4] = { 454 ROP2(cirrus_patternfill_0), 455 ROP2(cirrus_patternfill_src_and_dst), 456 ROP_NOP2(cirrus_bitblt_rop_nop), 457 ROP2(cirrus_patternfill_src_and_notdst), 458 ROP2(cirrus_patternfill_notdst), 459 ROP2(cirrus_patternfill_src), 460 ROP2(cirrus_patternfill_1), 461 ROP2(cirrus_patternfill_notsrc_and_dst), 462 ROP2(cirrus_patternfill_src_xor_dst), 463 ROP2(cirrus_patternfill_src_or_dst), 464 ROP2(cirrus_patternfill_notsrc_or_notdst), 465 ROP2(cirrus_patternfill_src_notxor_dst), 466 ROP2(cirrus_patternfill_src_or_notdst), 467 ROP2(cirrus_patternfill_notsrc), 468 ROP2(cirrus_patternfill_notsrc_or_dst), 469 ROP2(cirrus_patternfill_notsrc_and_notdst), 470 }; 471 472 static const cirrus_bitblt_rop_t cirrus_colorexpand_transp[16][4] = { 473 ROP2(cirrus_colorexpand_transp_0), 474 ROP2(cirrus_colorexpand_transp_src_and_dst), 475 ROP_NOP2(cirrus_bitblt_rop_nop), 476 ROP2(cirrus_colorexpand_transp_src_and_notdst), 477 ROP2(cirrus_colorexpand_transp_notdst), 478 ROP2(cirrus_colorexpand_transp_src), 479 ROP2(cirrus_colorexpand_transp_1), 480 ROP2(cirrus_colorexpand_transp_notsrc_and_dst), 481 ROP2(cirrus_colorexpand_transp_src_xor_dst), 482 ROP2(cirrus_colorexpand_transp_src_or_dst), 483 ROP2(cirrus_colorexpand_transp_notsrc_or_notdst), 484 ROP2(cirrus_colorexpand_transp_src_notxor_dst), 485 ROP2(cirrus_colorexpand_transp_src_or_notdst), 486 ROP2(cirrus_colorexpand_transp_notsrc), 487 ROP2(cirrus_colorexpand_transp_notsrc_or_dst), 488 ROP2(cirrus_colorexpand_transp_notsrc_and_notdst), 489 }; 490 491 static const cirrus_bitblt_rop_t cirrus_colorexpand[16][4] = { 492 ROP2(cirrus_colorexpand_0), 493 ROP2(cirrus_colorexpand_src_and_dst), 494 ROP_NOP2(cirrus_bitblt_rop_nop), 495 ROP2(cirrus_colorexpand_src_and_notdst), 496 ROP2(cirrus_colorexpand_notdst), 497 ROP2(cirrus_colorexpand_src), 498 ROP2(cirrus_colorexpand_1), 499 ROP2(cirrus_colorexpand_notsrc_and_dst), 500 ROP2(cirrus_colorexpand_src_xor_dst), 501 ROP2(cirrus_colorexpand_src_or_dst), 502 ROP2(cirrus_colorexpand_notsrc_or_notdst), 503 ROP2(cirrus_colorexpand_src_notxor_dst), 504 ROP2(cirrus_colorexpand_src_or_notdst), 505 ROP2(cirrus_colorexpand_notsrc), 506 ROP2(cirrus_colorexpand_notsrc_or_dst), 507 ROP2(cirrus_colorexpand_notsrc_and_notdst), 508 }; 509 510 static const cirrus_bitblt_rop_t cirrus_colorexpand_pattern_transp[16][4] = { 511 ROP2(cirrus_colorexpand_pattern_transp_0), 512 ROP2(cirrus_colorexpand_pattern_transp_src_and_dst), 513 ROP_NOP2(cirrus_bitblt_rop_nop), 514 ROP2(cirrus_colorexpand_pattern_transp_src_and_notdst), 515 ROP2(cirrus_colorexpand_pattern_transp_notdst), 516 ROP2(cirrus_colorexpand_pattern_transp_src), 517 ROP2(cirrus_colorexpand_pattern_transp_1), 518 ROP2(cirrus_colorexpand_pattern_transp_notsrc_and_dst), 519 ROP2(cirrus_colorexpand_pattern_transp_src_xor_dst), 520 ROP2(cirrus_colorexpand_pattern_transp_src_or_dst), 521 ROP2(cirrus_colorexpand_pattern_transp_notsrc_or_notdst), 522 ROP2(cirrus_colorexpand_pattern_transp_src_notxor_dst), 523 ROP2(cirrus_colorexpand_pattern_transp_src_or_notdst), 524 ROP2(cirrus_colorexpand_pattern_transp_notsrc), 525 ROP2(cirrus_colorexpand_pattern_transp_notsrc_or_dst), 526 ROP2(cirrus_colorexpand_pattern_transp_notsrc_and_notdst), 527 }; 528 529 static const cirrus_bitblt_rop_t cirrus_colorexpand_pattern[16][4] = { 530 ROP2(cirrus_colorexpand_pattern_0), 531 ROP2(cirrus_colorexpand_pattern_src_and_dst), 532 ROP_NOP2(cirrus_bitblt_rop_nop), 533 ROP2(cirrus_colorexpand_pattern_src_and_notdst), 534 ROP2(cirrus_colorexpand_pattern_notdst), 535 ROP2(cirrus_colorexpand_pattern_src), 536 ROP2(cirrus_colorexpand_pattern_1), 537 ROP2(cirrus_colorexpand_pattern_notsrc_and_dst), 538 ROP2(cirrus_colorexpand_pattern_src_xor_dst), 539 ROP2(cirrus_colorexpand_pattern_src_or_dst), 540 ROP2(cirrus_colorexpand_pattern_notsrc_or_notdst), 541 ROP2(cirrus_colorexpand_pattern_src_notxor_dst), 542 ROP2(cirrus_colorexpand_pattern_src_or_notdst), 543 ROP2(cirrus_colorexpand_pattern_notsrc), 544 ROP2(cirrus_colorexpand_pattern_notsrc_or_dst), 545 ROP2(cirrus_colorexpand_pattern_notsrc_and_notdst), 546 }; 547 548 static const cirrus_fill_t cirrus_fill[16][4] = { 549 ROP2(cirrus_fill_0), 550 ROP2(cirrus_fill_src_and_dst), 551 ROP_NOP2(cirrus_bitblt_fill_nop), 552 ROP2(cirrus_fill_src_and_notdst), 553 ROP2(cirrus_fill_notdst), 554 ROP2(cirrus_fill_src), 555 ROP2(cirrus_fill_1), 556 ROP2(cirrus_fill_notsrc_and_dst), 557 ROP2(cirrus_fill_src_xor_dst), 558 ROP2(cirrus_fill_src_or_dst), 559 ROP2(cirrus_fill_notsrc_or_notdst), 560 ROP2(cirrus_fill_src_notxor_dst), 561 ROP2(cirrus_fill_src_or_notdst), 562 ROP2(cirrus_fill_notsrc), 563 ROP2(cirrus_fill_notsrc_or_dst), 564 ROP2(cirrus_fill_notsrc_and_notdst), 565 }; 566 567 static inline void cirrus_bitblt_fgcol(CirrusVGAState *s) 568 { 569 unsigned int color; 570 switch (s->cirrus_blt_pixelwidth) { 571 case 1: 572 s->cirrus_blt_fgcol = s->cirrus_shadow_gr1; 573 break; 574 case 2: 575 color = s->cirrus_shadow_gr1 | (s->vga.gr[0x11] << 8); 576 s->cirrus_blt_fgcol = le16_to_cpu(color); 577 break; 578 case 3: 579 s->cirrus_blt_fgcol = s->cirrus_shadow_gr1 | 580 (s->vga.gr[0x11] << 8) | (s->vga.gr[0x13] << 16); 581 break; 582 default: 583 case 4: 584 color = s->cirrus_shadow_gr1 | (s->vga.gr[0x11] << 8) | 585 (s->vga.gr[0x13] << 16) | (s->vga.gr[0x15] << 24); 586 s->cirrus_blt_fgcol = le32_to_cpu(color); 587 break; 588 } 589 } 590 591 static inline void cirrus_bitblt_bgcol(CirrusVGAState *s) 592 { 593 unsigned int color; 594 switch (s->cirrus_blt_pixelwidth) { 595 case 1: 596 s->cirrus_blt_bgcol = s->cirrus_shadow_gr0; 597 break; 598 case 2: 599 color = s->cirrus_shadow_gr0 | (s->vga.gr[0x10] << 8); 600 s->cirrus_blt_bgcol = le16_to_cpu(color); 601 break; 602 case 3: 603 s->cirrus_blt_bgcol = s->cirrus_shadow_gr0 | 604 (s->vga.gr[0x10] << 8) | (s->vga.gr[0x12] << 16); 605 break; 606 default: 607 case 4: 608 color = s->cirrus_shadow_gr0 | (s->vga.gr[0x10] << 8) | 609 (s->vga.gr[0x12] << 16) | (s->vga.gr[0x14] << 24); 610 s->cirrus_blt_bgcol = le32_to_cpu(color); 611 break; 612 } 613 } 614 615 static void cirrus_invalidate_region(CirrusVGAState * s, int off_begin, 616 int off_pitch, int bytesperline, 617 int lines) 618 { 619 int y; 620 int off_cur; 621 int off_cur_end; 622 623 for (y = 0; y < lines; y++) { 624 off_cur = off_begin; 625 off_cur_end = (off_cur + bytesperline) & s->cirrus_addr_mask; 626 memory_region_set_dirty(&s->vga.vram, off_cur, off_cur_end - off_cur); 627 off_begin += off_pitch; 628 } 629 } 630 631 static int cirrus_bitblt_common_patterncopy(CirrusVGAState * s, 632 const uint8_t * src) 633 { 634 uint8_t *dst; 635 636 dst = s->vga.vram_ptr + (s->cirrus_blt_dstaddr & s->cirrus_addr_mask); 637 638 if (BLTUNSAFE(s)) 639 return 0; 640 641 (*s->cirrus_rop) (s, dst, src, 642 s->cirrus_blt_dstpitch, 0, 643 s->cirrus_blt_width, s->cirrus_blt_height); 644 cirrus_invalidate_region(s, s->cirrus_blt_dstaddr, 645 s->cirrus_blt_dstpitch, s->cirrus_blt_width, 646 s->cirrus_blt_height); 647 return 1; 648 } 649 650 /* fill */ 651 652 static int cirrus_bitblt_solidfill(CirrusVGAState *s, int blt_rop) 653 { 654 cirrus_fill_t rop_func; 655 656 if (BLTUNSAFE(s)) 657 return 0; 658 rop_func = cirrus_fill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; 659 rop_func(s, s->vga.vram_ptr + (s->cirrus_blt_dstaddr & s->cirrus_addr_mask), 660 s->cirrus_blt_dstpitch, 661 s->cirrus_blt_width, s->cirrus_blt_height); 662 cirrus_invalidate_region(s, s->cirrus_blt_dstaddr, 663 s->cirrus_blt_dstpitch, s->cirrus_blt_width, 664 s->cirrus_blt_height); 665 cirrus_bitblt_reset(s); 666 return 1; 667 } 668 669 /*************************************** 670 * 671 * bitblt (video-to-video) 672 * 673 ***************************************/ 674 675 static int cirrus_bitblt_videotovideo_patterncopy(CirrusVGAState * s) 676 { 677 return cirrus_bitblt_common_patterncopy(s, 678 s->vga.vram_ptr + ((s->cirrus_blt_srcaddr & ~7) & 679 s->cirrus_addr_mask)); 680 } 681 682 static void cirrus_do_copy(CirrusVGAState *s, int dst, int src, int w, int h) 683 { 684 int sx = 0, sy = 0; 685 int dx = 0, dy = 0; 686 int depth = 0; 687 int notify = 0; 688 689 /* make sure to only copy if it's a plain copy ROP */ 690 if (*s->cirrus_rop == cirrus_bitblt_rop_fwd_src || 691 *s->cirrus_rop == cirrus_bitblt_rop_bkwd_src) { 692 693 int width, height; 694 695 depth = s->vga.get_bpp(&s->vga) / 8; 696 s->vga.get_resolution(&s->vga, &width, &height); 697 698 /* extra x, y */ 699 sx = (src % ABS(s->cirrus_blt_srcpitch)) / depth; 700 sy = (src / ABS(s->cirrus_blt_srcpitch)); 701 dx = (dst % ABS(s->cirrus_blt_dstpitch)) / depth; 702 dy = (dst / ABS(s->cirrus_blt_dstpitch)); 703 704 /* normalize width */ 705 w /= depth; 706 707 /* if we're doing a backward copy, we have to adjust 708 our x/y to be the upper left corner (instead of the lower 709 right corner) */ 710 if (s->cirrus_blt_dstpitch < 0) { 711 sx -= (s->cirrus_blt_width / depth) - 1; 712 dx -= (s->cirrus_blt_width / depth) - 1; 713 sy -= s->cirrus_blt_height - 1; 714 dy -= s->cirrus_blt_height - 1; 715 } 716 717 /* are we in the visible portion of memory? */ 718 if (sx >= 0 && sy >= 0 && dx >= 0 && dy >= 0 && 719 (sx + w) <= width && (sy + h) <= height && 720 (dx + w) <= width && (dy + h) <= height) { 721 notify = 1; 722 } 723 } 724 725 /* we have to flush all pending changes so that the copy 726 is generated at the appropriate moment in time */ 727 if (notify) 728 graphic_hw_update(s->vga.con); 729 730 (*s->cirrus_rop) (s, s->vga.vram_ptr + 731 (s->cirrus_blt_dstaddr & s->cirrus_addr_mask), 732 s->vga.vram_ptr + 733 (s->cirrus_blt_srcaddr & s->cirrus_addr_mask), 734 s->cirrus_blt_dstpitch, s->cirrus_blt_srcpitch, 735 s->cirrus_blt_width, s->cirrus_blt_height); 736 737 if (notify) { 738 qemu_console_copy(s->vga.con, 739 sx, sy, dx, dy, 740 s->cirrus_blt_width / depth, 741 s->cirrus_blt_height); 742 } 743 744 /* we don't have to notify the display that this portion has 745 changed since qemu_console_copy implies this */ 746 747 cirrus_invalidate_region(s, s->cirrus_blt_dstaddr, 748 s->cirrus_blt_dstpitch, s->cirrus_blt_width, 749 s->cirrus_blt_height); 750 } 751 752 static int cirrus_bitblt_videotovideo_copy(CirrusVGAState * s) 753 { 754 if (BLTUNSAFE(s)) 755 return 0; 756 757 cirrus_do_copy(s, s->cirrus_blt_dstaddr - s->vga.start_addr, 758 s->cirrus_blt_srcaddr - s->vga.start_addr, 759 s->cirrus_blt_width, s->cirrus_blt_height); 760 761 return 1; 762 } 763 764 /*************************************** 765 * 766 * bitblt (cpu-to-video) 767 * 768 ***************************************/ 769 770 static void cirrus_bitblt_cputovideo_next(CirrusVGAState * s) 771 { 772 int copy_count; 773 uint8_t *end_ptr; 774 775 if (s->cirrus_srccounter > 0) { 776 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) { 777 cirrus_bitblt_common_patterncopy(s, s->cirrus_bltbuf); 778 the_end: 779 s->cirrus_srccounter = 0; 780 cirrus_bitblt_reset(s); 781 } else { 782 /* at least one scan line */ 783 do { 784 (*s->cirrus_rop)(s, s->vga.vram_ptr + 785 (s->cirrus_blt_dstaddr & s->cirrus_addr_mask), 786 s->cirrus_bltbuf, 0, 0, s->cirrus_blt_width, 1); 787 cirrus_invalidate_region(s, s->cirrus_blt_dstaddr, 0, 788 s->cirrus_blt_width, 1); 789 s->cirrus_blt_dstaddr += s->cirrus_blt_dstpitch; 790 s->cirrus_srccounter -= s->cirrus_blt_srcpitch; 791 if (s->cirrus_srccounter <= 0) 792 goto the_end; 793 /* more bytes than needed can be transferred because of 794 word alignment, so we keep them for the next line */ 795 /* XXX: keep alignment to speed up transfer */ 796 end_ptr = s->cirrus_bltbuf + s->cirrus_blt_srcpitch; 797 copy_count = s->cirrus_srcptr_end - end_ptr; 798 memmove(s->cirrus_bltbuf, end_ptr, copy_count); 799 s->cirrus_srcptr = s->cirrus_bltbuf + copy_count; 800 s->cirrus_srcptr_end = s->cirrus_bltbuf + s->cirrus_blt_srcpitch; 801 } while (s->cirrus_srcptr >= s->cirrus_srcptr_end); 802 } 803 } 804 } 805 806 /*************************************** 807 * 808 * bitblt wrapper 809 * 810 ***************************************/ 811 812 static void cirrus_bitblt_reset(CirrusVGAState * s) 813 { 814 int need_update; 815 816 s->vga.gr[0x31] &= 817 ~(CIRRUS_BLT_START | CIRRUS_BLT_BUSY | CIRRUS_BLT_FIFOUSED); 818 need_update = s->cirrus_srcptr != &s->cirrus_bltbuf[0] 819 || s->cirrus_srcptr_end != &s->cirrus_bltbuf[0]; 820 s->cirrus_srcptr = &s->cirrus_bltbuf[0]; 821 s->cirrus_srcptr_end = &s->cirrus_bltbuf[0]; 822 s->cirrus_srccounter = 0; 823 if (!need_update) 824 return; 825 cirrus_update_memory_access(s); 826 } 827 828 static int cirrus_bitblt_cputovideo(CirrusVGAState * s) 829 { 830 int w; 831 832 s->cirrus_blt_mode &= ~CIRRUS_BLTMODE_MEMSYSSRC; 833 s->cirrus_srcptr = &s->cirrus_bltbuf[0]; 834 s->cirrus_srcptr_end = &s->cirrus_bltbuf[0]; 835 836 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) { 837 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) { 838 s->cirrus_blt_srcpitch = 8; 839 } else { 840 /* XXX: check for 24 bpp */ 841 s->cirrus_blt_srcpitch = 8 * 8 * s->cirrus_blt_pixelwidth; 842 } 843 s->cirrus_srccounter = s->cirrus_blt_srcpitch; 844 } else { 845 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) { 846 w = s->cirrus_blt_width / s->cirrus_blt_pixelwidth; 847 if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_DWORDGRANULARITY) 848 s->cirrus_blt_srcpitch = ((w + 31) >> 5); 849 else 850 s->cirrus_blt_srcpitch = ((w + 7) >> 3); 851 } else { 852 /* always align input size to 32 bits */ 853 s->cirrus_blt_srcpitch = (s->cirrus_blt_width + 3) & ~3; 854 } 855 s->cirrus_srccounter = s->cirrus_blt_srcpitch * s->cirrus_blt_height; 856 } 857 s->cirrus_srcptr = s->cirrus_bltbuf; 858 s->cirrus_srcptr_end = s->cirrus_bltbuf + s->cirrus_blt_srcpitch; 859 cirrus_update_memory_access(s); 860 return 1; 861 } 862 863 static int cirrus_bitblt_videotocpu(CirrusVGAState * s) 864 { 865 /* XXX */ 866 #ifdef DEBUG_BITBLT 867 printf("cirrus: bitblt (video to cpu) is not implemented yet\n"); 868 #endif 869 return 0; 870 } 871 872 static int cirrus_bitblt_videotovideo(CirrusVGAState * s) 873 { 874 int ret; 875 876 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) { 877 ret = cirrus_bitblt_videotovideo_patterncopy(s); 878 } else { 879 ret = cirrus_bitblt_videotovideo_copy(s); 880 } 881 if (ret) 882 cirrus_bitblt_reset(s); 883 return ret; 884 } 885 886 static void cirrus_bitblt_start(CirrusVGAState * s) 887 { 888 uint8_t blt_rop; 889 890 s->vga.gr[0x31] |= CIRRUS_BLT_BUSY; 891 892 s->cirrus_blt_width = (s->vga.gr[0x20] | (s->vga.gr[0x21] << 8)) + 1; 893 s->cirrus_blt_height = (s->vga.gr[0x22] | (s->vga.gr[0x23] << 8)) + 1; 894 s->cirrus_blt_dstpitch = (s->vga.gr[0x24] | (s->vga.gr[0x25] << 8)); 895 s->cirrus_blt_srcpitch = (s->vga.gr[0x26] | (s->vga.gr[0x27] << 8)); 896 s->cirrus_blt_dstaddr = 897 (s->vga.gr[0x28] | (s->vga.gr[0x29] << 8) | (s->vga.gr[0x2a] << 16)); 898 s->cirrus_blt_srcaddr = 899 (s->vga.gr[0x2c] | (s->vga.gr[0x2d] << 8) | (s->vga.gr[0x2e] << 16)); 900 s->cirrus_blt_mode = s->vga.gr[0x30]; 901 s->cirrus_blt_modeext = s->vga.gr[0x33]; 902 blt_rop = s->vga.gr[0x32]; 903 904 #ifdef DEBUG_BITBLT 905 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", 906 blt_rop, 907 s->cirrus_blt_mode, 908 s->cirrus_blt_modeext, 909 s->cirrus_blt_width, 910 s->cirrus_blt_height, 911 s->cirrus_blt_dstpitch, 912 s->cirrus_blt_srcpitch, 913 s->cirrus_blt_dstaddr, 914 s->cirrus_blt_srcaddr, 915 s->vga.gr[0x2f]); 916 #endif 917 918 switch (s->cirrus_blt_mode & CIRRUS_BLTMODE_PIXELWIDTHMASK) { 919 case CIRRUS_BLTMODE_PIXELWIDTH8: 920 s->cirrus_blt_pixelwidth = 1; 921 break; 922 case CIRRUS_BLTMODE_PIXELWIDTH16: 923 s->cirrus_blt_pixelwidth = 2; 924 break; 925 case CIRRUS_BLTMODE_PIXELWIDTH24: 926 s->cirrus_blt_pixelwidth = 3; 927 break; 928 case CIRRUS_BLTMODE_PIXELWIDTH32: 929 s->cirrus_blt_pixelwidth = 4; 930 break; 931 default: 932 #ifdef DEBUG_BITBLT 933 printf("cirrus: bitblt - pixel width is unknown\n"); 934 #endif 935 goto bitblt_ignore; 936 } 937 s->cirrus_blt_mode &= ~CIRRUS_BLTMODE_PIXELWIDTHMASK; 938 939 if ((s-> 940 cirrus_blt_mode & (CIRRUS_BLTMODE_MEMSYSSRC | 941 CIRRUS_BLTMODE_MEMSYSDEST)) 942 == (CIRRUS_BLTMODE_MEMSYSSRC | CIRRUS_BLTMODE_MEMSYSDEST)) { 943 #ifdef DEBUG_BITBLT 944 printf("cirrus: bitblt - memory-to-memory copy is requested\n"); 945 #endif 946 goto bitblt_ignore; 947 } 948 949 if ((s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_SOLIDFILL) && 950 (s->cirrus_blt_mode & (CIRRUS_BLTMODE_MEMSYSDEST | 951 CIRRUS_BLTMODE_TRANSPARENTCOMP | 952 CIRRUS_BLTMODE_PATTERNCOPY | 953 CIRRUS_BLTMODE_COLOREXPAND)) == 954 (CIRRUS_BLTMODE_PATTERNCOPY | CIRRUS_BLTMODE_COLOREXPAND)) { 955 cirrus_bitblt_fgcol(s); 956 cirrus_bitblt_solidfill(s, blt_rop); 957 } else { 958 if ((s->cirrus_blt_mode & (CIRRUS_BLTMODE_COLOREXPAND | 959 CIRRUS_BLTMODE_PATTERNCOPY)) == 960 CIRRUS_BLTMODE_COLOREXPAND) { 961 962 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) { 963 if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) 964 cirrus_bitblt_bgcol(s); 965 else 966 cirrus_bitblt_fgcol(s); 967 s->cirrus_rop = cirrus_colorexpand_transp[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; 968 } else { 969 cirrus_bitblt_fgcol(s); 970 cirrus_bitblt_bgcol(s); 971 s->cirrus_rop = cirrus_colorexpand[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; 972 } 973 } else if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) { 974 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) { 975 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) { 976 if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) 977 cirrus_bitblt_bgcol(s); 978 else 979 cirrus_bitblt_fgcol(s); 980 s->cirrus_rop = cirrus_colorexpand_pattern_transp[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; 981 } else { 982 cirrus_bitblt_fgcol(s); 983 cirrus_bitblt_bgcol(s); 984 s->cirrus_rop = cirrus_colorexpand_pattern[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; 985 } 986 } else { 987 s->cirrus_rop = cirrus_patternfill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; 988 } 989 } else { 990 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) { 991 if (s->cirrus_blt_pixelwidth > 2) { 992 printf("src transparent without colorexpand must be 8bpp or 16bpp\n"); 993 goto bitblt_ignore; 994 } 995 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_BACKWARDS) { 996 s->cirrus_blt_dstpitch = -s->cirrus_blt_dstpitch; 997 s->cirrus_blt_srcpitch = -s->cirrus_blt_srcpitch; 998 s->cirrus_rop = cirrus_bkwd_transp_rop[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; 999 } else { 1000 s->cirrus_rop = cirrus_fwd_transp_rop[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; 1001 } 1002 } else { 1003 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_BACKWARDS) { 1004 s->cirrus_blt_dstpitch = -s->cirrus_blt_dstpitch; 1005 s->cirrus_blt_srcpitch = -s->cirrus_blt_srcpitch; 1006 s->cirrus_rop = cirrus_bkwd_rop[rop_to_index[blt_rop]]; 1007 } else { 1008 s->cirrus_rop = cirrus_fwd_rop[rop_to_index[blt_rop]]; 1009 } 1010 } 1011 } 1012 // setup bitblt engine. 1013 if (s->cirrus_blt_mode & CIRRUS_BLTMODE_MEMSYSSRC) { 1014 if (!cirrus_bitblt_cputovideo(s)) 1015 goto bitblt_ignore; 1016 } else if (s->cirrus_blt_mode & CIRRUS_BLTMODE_MEMSYSDEST) { 1017 if (!cirrus_bitblt_videotocpu(s)) 1018 goto bitblt_ignore; 1019 } else { 1020 if (!cirrus_bitblt_videotovideo(s)) 1021 goto bitblt_ignore; 1022 } 1023 } 1024 return; 1025 bitblt_ignore:; 1026 cirrus_bitblt_reset(s); 1027 } 1028 1029 static void cirrus_write_bitblt(CirrusVGAState * s, unsigned reg_value) 1030 { 1031 unsigned old_value; 1032 1033 old_value = s->vga.gr[0x31]; 1034 s->vga.gr[0x31] = reg_value; 1035 1036 if (((old_value & CIRRUS_BLT_RESET) != 0) && 1037 ((reg_value & CIRRUS_BLT_RESET) == 0)) { 1038 cirrus_bitblt_reset(s); 1039 } else if (((old_value & CIRRUS_BLT_START) == 0) && 1040 ((reg_value & CIRRUS_BLT_START) != 0)) { 1041 cirrus_bitblt_start(s); 1042 } 1043 } 1044 1045 1046 /*************************************** 1047 * 1048 * basic parameters 1049 * 1050 ***************************************/ 1051 1052 static void cirrus_get_offsets(VGACommonState *s1, 1053 uint32_t *pline_offset, 1054 uint32_t *pstart_addr, 1055 uint32_t *pline_compare) 1056 { 1057 CirrusVGAState * s = container_of(s1, CirrusVGAState, vga); 1058 uint32_t start_addr, line_offset, line_compare; 1059 1060 line_offset = s->vga.cr[0x13] 1061 | ((s->vga.cr[0x1b] & 0x10) << 4); 1062 line_offset <<= 3; 1063 *pline_offset = line_offset; 1064 1065 start_addr = (s->vga.cr[0x0c] << 8) 1066 | s->vga.cr[0x0d] 1067 | ((s->vga.cr[0x1b] & 0x01) << 16) 1068 | ((s->vga.cr[0x1b] & 0x0c) << 15) 1069 | ((s->vga.cr[0x1d] & 0x80) << 12); 1070 *pstart_addr = start_addr; 1071 1072 line_compare = s->vga.cr[0x18] | 1073 ((s->vga.cr[0x07] & 0x10) << 4) | 1074 ((s->vga.cr[0x09] & 0x40) << 3); 1075 *pline_compare = line_compare; 1076 } 1077 1078 static uint32_t cirrus_get_bpp16_depth(CirrusVGAState * s) 1079 { 1080 uint32_t ret = 16; 1081 1082 switch (s->cirrus_hidden_dac_data & 0xf) { 1083 case 0: 1084 ret = 15; 1085 break; /* Sierra HiColor */ 1086 case 1: 1087 ret = 16; 1088 break; /* XGA HiColor */ 1089 default: 1090 #ifdef DEBUG_CIRRUS 1091 printf("cirrus: invalid DAC value %x in 16bpp\n", 1092 (s->cirrus_hidden_dac_data & 0xf)); 1093 #endif 1094 ret = 15; /* XXX */ 1095 break; 1096 } 1097 return ret; 1098 } 1099 1100 static int cirrus_get_bpp(VGACommonState *s1) 1101 { 1102 CirrusVGAState * s = container_of(s1, CirrusVGAState, vga); 1103 uint32_t ret = 8; 1104 1105 if ((s->vga.sr[0x07] & 0x01) != 0) { 1106 /* Cirrus SVGA */ 1107 switch (s->vga.sr[0x07] & CIRRUS_SR7_BPP_MASK) { 1108 case CIRRUS_SR7_BPP_8: 1109 ret = 8; 1110 break; 1111 case CIRRUS_SR7_BPP_16_DOUBLEVCLK: 1112 ret = cirrus_get_bpp16_depth(s); 1113 break; 1114 case CIRRUS_SR7_BPP_24: 1115 ret = 24; 1116 break; 1117 case CIRRUS_SR7_BPP_16: 1118 ret = cirrus_get_bpp16_depth(s); 1119 break; 1120 case CIRRUS_SR7_BPP_32: 1121 ret = 32; 1122 break; 1123 default: 1124 #ifdef DEBUG_CIRRUS 1125 printf("cirrus: unknown bpp - sr7=%x\n", s->vga.sr[0x7]); 1126 #endif 1127 ret = 8; 1128 break; 1129 } 1130 } else { 1131 /* VGA */ 1132 ret = 0; 1133 } 1134 1135 return ret; 1136 } 1137 1138 static void cirrus_get_resolution(VGACommonState *s, int *pwidth, int *pheight) 1139 { 1140 int width, height; 1141 1142 width = (s->cr[0x01] + 1) * 8; 1143 height = s->cr[0x12] | 1144 ((s->cr[0x07] & 0x02) << 7) | 1145 ((s->cr[0x07] & 0x40) << 3); 1146 height = (height + 1); 1147 /* interlace support */ 1148 if (s->cr[0x1a] & 0x01) 1149 height = height * 2; 1150 *pwidth = width; 1151 *pheight = height; 1152 } 1153 1154 /*************************************** 1155 * 1156 * bank memory 1157 * 1158 ***************************************/ 1159 1160 static void cirrus_update_bank_ptr(CirrusVGAState * s, unsigned bank_index) 1161 { 1162 unsigned offset; 1163 unsigned limit; 1164 1165 if ((s->vga.gr[0x0b] & 0x01) != 0) /* dual bank */ 1166 offset = s->vga.gr[0x09 + bank_index]; 1167 else /* single bank */ 1168 offset = s->vga.gr[0x09]; 1169 1170 if ((s->vga.gr[0x0b] & 0x20) != 0) 1171 offset <<= 14; 1172 else 1173 offset <<= 12; 1174 1175 if (s->real_vram_size <= offset) 1176 limit = 0; 1177 else 1178 limit = s->real_vram_size - offset; 1179 1180 if (((s->vga.gr[0x0b] & 0x01) == 0) && (bank_index != 0)) { 1181 if (limit > 0x8000) { 1182 offset += 0x8000; 1183 limit -= 0x8000; 1184 } else { 1185 limit = 0; 1186 } 1187 } 1188 1189 if (limit > 0) { 1190 s->cirrus_bank_base[bank_index] = offset; 1191 s->cirrus_bank_limit[bank_index] = limit; 1192 } else { 1193 s->cirrus_bank_base[bank_index] = 0; 1194 s->cirrus_bank_limit[bank_index] = 0; 1195 } 1196 } 1197 1198 /*************************************** 1199 * 1200 * I/O access between 0x3c4-0x3c5 1201 * 1202 ***************************************/ 1203 1204 static int cirrus_vga_read_sr(CirrusVGAState * s) 1205 { 1206 switch (s->vga.sr_index) { 1207 case 0x00: // Standard VGA 1208 case 0x01: // Standard VGA 1209 case 0x02: // Standard VGA 1210 case 0x03: // Standard VGA 1211 case 0x04: // Standard VGA 1212 return s->vga.sr[s->vga.sr_index]; 1213 case 0x06: // Unlock Cirrus extensions 1214 return s->vga.sr[s->vga.sr_index]; 1215 case 0x10: 1216 case 0x30: 1217 case 0x50: 1218 case 0x70: // Graphics Cursor X 1219 case 0x90: 1220 case 0xb0: 1221 case 0xd0: 1222 case 0xf0: // Graphics Cursor X 1223 return s->vga.sr[0x10]; 1224 case 0x11: 1225 case 0x31: 1226 case 0x51: 1227 case 0x71: // Graphics Cursor Y 1228 case 0x91: 1229 case 0xb1: 1230 case 0xd1: 1231 case 0xf1: // Graphics Cursor Y 1232 return s->vga.sr[0x11]; 1233 case 0x05: // ??? 1234 case 0x07: // Extended Sequencer Mode 1235 case 0x08: // EEPROM Control 1236 case 0x09: // Scratch Register 0 1237 case 0x0a: // Scratch Register 1 1238 case 0x0b: // VCLK 0 1239 case 0x0c: // VCLK 1 1240 case 0x0d: // VCLK 2 1241 case 0x0e: // VCLK 3 1242 case 0x0f: // DRAM Control 1243 case 0x12: // Graphics Cursor Attribute 1244 case 0x13: // Graphics Cursor Pattern Address 1245 case 0x14: // Scratch Register 2 1246 case 0x15: // Scratch Register 3 1247 case 0x16: // Performance Tuning Register 1248 case 0x17: // Configuration Readback and Extended Control 1249 case 0x18: // Signature Generator Control 1250 case 0x19: // Signal Generator Result 1251 case 0x1a: // Signal Generator Result 1252 case 0x1b: // VCLK 0 Denominator & Post 1253 case 0x1c: // VCLK 1 Denominator & Post 1254 case 0x1d: // VCLK 2 Denominator & Post 1255 case 0x1e: // VCLK 3 Denominator & Post 1256 case 0x1f: // BIOS Write Enable and MCLK select 1257 #ifdef DEBUG_CIRRUS 1258 printf("cirrus: handled inport sr_index %02x\n", s->vga.sr_index); 1259 #endif 1260 return s->vga.sr[s->vga.sr_index]; 1261 default: 1262 #ifdef DEBUG_CIRRUS 1263 printf("cirrus: inport sr_index %02x\n", s->vga.sr_index); 1264 #endif 1265 return 0xff; 1266 break; 1267 } 1268 } 1269 1270 static void cirrus_vga_write_sr(CirrusVGAState * s, uint32_t val) 1271 { 1272 switch (s->vga.sr_index) { 1273 case 0x00: // Standard VGA 1274 case 0x01: // Standard VGA 1275 case 0x02: // Standard VGA 1276 case 0x03: // Standard VGA 1277 case 0x04: // Standard VGA 1278 s->vga.sr[s->vga.sr_index] = val & sr_mask[s->vga.sr_index]; 1279 if (s->vga.sr_index == 1) 1280 s->vga.update_retrace_info(&s->vga); 1281 break; 1282 case 0x06: // Unlock Cirrus extensions 1283 val &= 0x17; 1284 if (val == 0x12) { 1285 s->vga.sr[s->vga.sr_index] = 0x12; 1286 } else { 1287 s->vga.sr[s->vga.sr_index] = 0x0f; 1288 } 1289 break; 1290 case 0x10: 1291 case 0x30: 1292 case 0x50: 1293 case 0x70: // Graphics Cursor X 1294 case 0x90: 1295 case 0xb0: 1296 case 0xd0: 1297 case 0xf0: // Graphics Cursor X 1298 s->vga.sr[0x10] = val; 1299 s->hw_cursor_x = (val << 3) | (s->vga.sr_index >> 5); 1300 break; 1301 case 0x11: 1302 case 0x31: 1303 case 0x51: 1304 case 0x71: // Graphics Cursor Y 1305 case 0x91: 1306 case 0xb1: 1307 case 0xd1: 1308 case 0xf1: // Graphics Cursor Y 1309 s->vga.sr[0x11] = val; 1310 s->hw_cursor_y = (val << 3) | (s->vga.sr_index >> 5); 1311 break; 1312 case 0x07: // Extended Sequencer Mode 1313 cirrus_update_memory_access(s); 1314 case 0x08: // EEPROM Control 1315 case 0x09: // Scratch Register 0 1316 case 0x0a: // Scratch Register 1 1317 case 0x0b: // VCLK 0 1318 case 0x0c: // VCLK 1 1319 case 0x0d: // VCLK 2 1320 case 0x0e: // VCLK 3 1321 case 0x0f: // DRAM Control 1322 case 0x12: // Graphics Cursor Attribute 1323 case 0x13: // Graphics Cursor Pattern Address 1324 case 0x14: // Scratch Register 2 1325 case 0x15: // Scratch Register 3 1326 case 0x16: // Performance Tuning Register 1327 case 0x18: // Signature Generator Control 1328 case 0x19: // Signature Generator Result 1329 case 0x1a: // Signature Generator Result 1330 case 0x1b: // VCLK 0 Denominator & Post 1331 case 0x1c: // VCLK 1 Denominator & Post 1332 case 0x1d: // VCLK 2 Denominator & Post 1333 case 0x1e: // VCLK 3 Denominator & Post 1334 case 0x1f: // BIOS Write Enable and MCLK select 1335 s->vga.sr[s->vga.sr_index] = val; 1336 #ifdef DEBUG_CIRRUS 1337 printf("cirrus: handled outport sr_index %02x, sr_value %02x\n", 1338 s->vga.sr_index, val); 1339 #endif 1340 break; 1341 case 0x17: // Configuration Readback and Extended Control 1342 s->vga.sr[s->vga.sr_index] = (s->vga.sr[s->vga.sr_index] & 0x38) 1343 | (val & 0xc7); 1344 cirrus_update_memory_access(s); 1345 break; 1346 default: 1347 #ifdef DEBUG_CIRRUS 1348 printf("cirrus: outport sr_index %02x, sr_value %02x\n", 1349 s->vga.sr_index, val); 1350 #endif 1351 break; 1352 } 1353 } 1354 1355 /*************************************** 1356 * 1357 * I/O access at 0x3c6 1358 * 1359 ***************************************/ 1360 1361 static int cirrus_read_hidden_dac(CirrusVGAState * s) 1362 { 1363 if (++s->cirrus_hidden_dac_lockindex == 5) { 1364 s->cirrus_hidden_dac_lockindex = 0; 1365 return s->cirrus_hidden_dac_data; 1366 } 1367 return 0xff; 1368 } 1369 1370 static void cirrus_write_hidden_dac(CirrusVGAState * s, int reg_value) 1371 { 1372 if (s->cirrus_hidden_dac_lockindex == 4) { 1373 s->cirrus_hidden_dac_data = reg_value; 1374 #if defined(DEBUG_CIRRUS) 1375 printf("cirrus: outport hidden DAC, value %02x\n", reg_value); 1376 #endif 1377 } 1378 s->cirrus_hidden_dac_lockindex = 0; 1379 } 1380 1381 /*************************************** 1382 * 1383 * I/O access at 0x3c9 1384 * 1385 ***************************************/ 1386 1387 static int cirrus_vga_read_palette(CirrusVGAState * s) 1388 { 1389 int val; 1390 1391 if ((s->vga.sr[0x12] & CIRRUS_CURSOR_HIDDENPEL)) { 1392 val = s->cirrus_hidden_palette[(s->vga.dac_read_index & 0x0f) * 3 + 1393 s->vga.dac_sub_index]; 1394 } else { 1395 val = s->vga.palette[s->vga.dac_read_index * 3 + s->vga.dac_sub_index]; 1396 } 1397 if (++s->vga.dac_sub_index == 3) { 1398 s->vga.dac_sub_index = 0; 1399 s->vga.dac_read_index++; 1400 } 1401 return val; 1402 } 1403 1404 static void cirrus_vga_write_palette(CirrusVGAState * s, int reg_value) 1405 { 1406 s->vga.dac_cache[s->vga.dac_sub_index] = reg_value; 1407 if (++s->vga.dac_sub_index == 3) { 1408 if ((s->vga.sr[0x12] & CIRRUS_CURSOR_HIDDENPEL)) { 1409 memcpy(&s->cirrus_hidden_palette[(s->vga.dac_write_index & 0x0f) * 3], 1410 s->vga.dac_cache, 3); 1411 } else { 1412 memcpy(&s->vga.palette[s->vga.dac_write_index * 3], s->vga.dac_cache, 3); 1413 } 1414 /* XXX update cursor */ 1415 s->vga.dac_sub_index = 0; 1416 s->vga.dac_write_index++; 1417 } 1418 } 1419 1420 /*************************************** 1421 * 1422 * I/O access between 0x3ce-0x3cf 1423 * 1424 ***************************************/ 1425 1426 static int cirrus_vga_read_gr(CirrusVGAState * s, unsigned reg_index) 1427 { 1428 switch (reg_index) { 1429 case 0x00: // Standard VGA, BGCOLOR 0x000000ff 1430 return s->cirrus_shadow_gr0; 1431 case 0x01: // Standard VGA, FGCOLOR 0x000000ff 1432 return s->cirrus_shadow_gr1; 1433 case 0x02: // Standard VGA 1434 case 0x03: // Standard VGA 1435 case 0x04: // Standard VGA 1436 case 0x06: // Standard VGA 1437 case 0x07: // Standard VGA 1438 case 0x08: // Standard VGA 1439 return s->vga.gr[s->vga.gr_index]; 1440 case 0x05: // Standard VGA, Cirrus extended mode 1441 default: 1442 break; 1443 } 1444 1445 if (reg_index < 0x3a) { 1446 return s->vga.gr[reg_index]; 1447 } else { 1448 #ifdef DEBUG_CIRRUS 1449 printf("cirrus: inport gr_index %02x\n", reg_index); 1450 #endif 1451 return 0xff; 1452 } 1453 } 1454 1455 static void 1456 cirrus_vga_write_gr(CirrusVGAState * s, unsigned reg_index, int reg_value) 1457 { 1458 #if defined(DEBUG_BITBLT) && 0 1459 printf("gr%02x: %02x\n", reg_index, reg_value); 1460 #endif 1461 switch (reg_index) { 1462 case 0x00: // Standard VGA, BGCOLOR 0x000000ff 1463 s->vga.gr[reg_index] = reg_value & gr_mask[reg_index]; 1464 s->cirrus_shadow_gr0 = reg_value; 1465 break; 1466 case 0x01: // Standard VGA, FGCOLOR 0x000000ff 1467 s->vga.gr[reg_index] = reg_value & gr_mask[reg_index]; 1468 s->cirrus_shadow_gr1 = reg_value; 1469 break; 1470 case 0x02: // Standard VGA 1471 case 0x03: // Standard VGA 1472 case 0x04: // Standard VGA 1473 case 0x06: // Standard VGA 1474 case 0x07: // Standard VGA 1475 case 0x08: // Standard VGA 1476 s->vga.gr[reg_index] = reg_value & gr_mask[reg_index]; 1477 break; 1478 case 0x05: // Standard VGA, Cirrus extended mode 1479 s->vga.gr[reg_index] = reg_value & 0x7f; 1480 cirrus_update_memory_access(s); 1481 break; 1482 case 0x09: // bank offset #0 1483 case 0x0A: // bank offset #1 1484 s->vga.gr[reg_index] = reg_value; 1485 cirrus_update_bank_ptr(s, 0); 1486 cirrus_update_bank_ptr(s, 1); 1487 cirrus_update_memory_access(s); 1488 break; 1489 case 0x0B: 1490 s->vga.gr[reg_index] = reg_value; 1491 cirrus_update_bank_ptr(s, 0); 1492 cirrus_update_bank_ptr(s, 1); 1493 cirrus_update_memory_access(s); 1494 break; 1495 case 0x10: // BGCOLOR 0x0000ff00 1496 case 0x11: // FGCOLOR 0x0000ff00 1497 case 0x12: // BGCOLOR 0x00ff0000 1498 case 0x13: // FGCOLOR 0x00ff0000 1499 case 0x14: // BGCOLOR 0xff000000 1500 case 0x15: // FGCOLOR 0xff000000 1501 case 0x20: // BLT WIDTH 0x0000ff 1502 case 0x22: // BLT HEIGHT 0x0000ff 1503 case 0x24: // BLT DEST PITCH 0x0000ff 1504 case 0x26: // BLT SRC PITCH 0x0000ff 1505 case 0x28: // BLT DEST ADDR 0x0000ff 1506 case 0x29: // BLT DEST ADDR 0x00ff00 1507 case 0x2c: // BLT SRC ADDR 0x0000ff 1508 case 0x2d: // BLT SRC ADDR 0x00ff00 1509 case 0x2f: // BLT WRITEMASK 1510 case 0x30: // BLT MODE 1511 case 0x32: // RASTER OP 1512 case 0x33: // BLT MODEEXT 1513 case 0x34: // BLT TRANSPARENT COLOR 0x00ff 1514 case 0x35: // BLT TRANSPARENT COLOR 0xff00 1515 case 0x38: // BLT TRANSPARENT COLOR MASK 0x00ff 1516 case 0x39: // BLT TRANSPARENT COLOR MASK 0xff00 1517 s->vga.gr[reg_index] = reg_value; 1518 break; 1519 case 0x21: // BLT WIDTH 0x001f00 1520 case 0x23: // BLT HEIGHT 0x001f00 1521 case 0x25: // BLT DEST PITCH 0x001f00 1522 case 0x27: // BLT SRC PITCH 0x001f00 1523 s->vga.gr[reg_index] = reg_value & 0x1f; 1524 break; 1525 case 0x2a: // BLT DEST ADDR 0x3f0000 1526 s->vga.gr[reg_index] = reg_value & 0x3f; 1527 /* if auto start mode, starts bit blt now */ 1528 if (s->vga.gr[0x31] & CIRRUS_BLT_AUTOSTART) { 1529 cirrus_bitblt_start(s); 1530 } 1531 break; 1532 case 0x2e: // BLT SRC ADDR 0x3f0000 1533 s->vga.gr[reg_index] = reg_value & 0x3f; 1534 break; 1535 case 0x31: // BLT STATUS/START 1536 cirrus_write_bitblt(s, reg_value); 1537 break; 1538 default: 1539 #ifdef DEBUG_CIRRUS 1540 printf("cirrus: outport gr_index %02x, gr_value %02x\n", reg_index, 1541 reg_value); 1542 #endif 1543 break; 1544 } 1545 } 1546 1547 /*************************************** 1548 * 1549 * I/O access between 0x3d4-0x3d5 1550 * 1551 ***************************************/ 1552 1553 static int cirrus_vga_read_cr(CirrusVGAState * s, unsigned reg_index) 1554 { 1555 switch (reg_index) { 1556 case 0x00: // Standard VGA 1557 case 0x01: // Standard VGA 1558 case 0x02: // Standard VGA 1559 case 0x03: // Standard VGA 1560 case 0x04: // Standard VGA 1561 case 0x05: // Standard VGA 1562 case 0x06: // Standard VGA 1563 case 0x07: // Standard VGA 1564 case 0x08: // Standard VGA 1565 case 0x09: // Standard VGA 1566 case 0x0a: // Standard VGA 1567 case 0x0b: // Standard VGA 1568 case 0x0c: // Standard VGA 1569 case 0x0d: // Standard VGA 1570 case 0x0e: // Standard VGA 1571 case 0x0f: // Standard VGA 1572 case 0x10: // Standard VGA 1573 case 0x11: // Standard VGA 1574 case 0x12: // Standard VGA 1575 case 0x13: // Standard VGA 1576 case 0x14: // Standard VGA 1577 case 0x15: // Standard VGA 1578 case 0x16: // Standard VGA 1579 case 0x17: // Standard VGA 1580 case 0x18: // Standard VGA 1581 return s->vga.cr[s->vga.cr_index]; 1582 case 0x24: // Attribute Controller Toggle Readback (R) 1583 return (s->vga.ar_flip_flop << 7); 1584 case 0x19: // Interlace End 1585 case 0x1a: // Miscellaneous Control 1586 case 0x1b: // Extended Display Control 1587 case 0x1c: // Sync Adjust and Genlock 1588 case 0x1d: // Overlay Extended Control 1589 case 0x22: // Graphics Data Latches Readback (R) 1590 case 0x25: // Part Status 1591 case 0x27: // Part ID (R) 1592 return s->vga.cr[s->vga.cr_index]; 1593 case 0x26: // Attribute Controller Index Readback (R) 1594 return s->vga.ar_index & 0x3f; 1595 break; 1596 default: 1597 #ifdef DEBUG_CIRRUS 1598 printf("cirrus: inport cr_index %02x\n", reg_index); 1599 #endif 1600 return 0xff; 1601 } 1602 } 1603 1604 static void cirrus_vga_write_cr(CirrusVGAState * s, int reg_value) 1605 { 1606 switch (s->vga.cr_index) { 1607 case 0x00: // Standard VGA 1608 case 0x01: // Standard VGA 1609 case 0x02: // Standard VGA 1610 case 0x03: // Standard VGA 1611 case 0x04: // Standard VGA 1612 case 0x05: // Standard VGA 1613 case 0x06: // Standard VGA 1614 case 0x07: // Standard VGA 1615 case 0x08: // Standard VGA 1616 case 0x09: // Standard VGA 1617 case 0x0a: // Standard VGA 1618 case 0x0b: // Standard VGA 1619 case 0x0c: // Standard VGA 1620 case 0x0d: // Standard VGA 1621 case 0x0e: // Standard VGA 1622 case 0x0f: // Standard VGA 1623 case 0x10: // Standard VGA 1624 case 0x11: // Standard VGA 1625 case 0x12: // Standard VGA 1626 case 0x13: // Standard VGA 1627 case 0x14: // Standard VGA 1628 case 0x15: // Standard VGA 1629 case 0x16: // Standard VGA 1630 case 0x17: // Standard VGA 1631 case 0x18: // Standard VGA 1632 /* handle CR0-7 protection */ 1633 if ((s->vga.cr[0x11] & 0x80) && s->vga.cr_index <= 7) { 1634 /* can always write bit 4 of CR7 */ 1635 if (s->vga.cr_index == 7) 1636 s->vga.cr[7] = (s->vga.cr[7] & ~0x10) | (reg_value & 0x10); 1637 return; 1638 } 1639 s->vga.cr[s->vga.cr_index] = reg_value; 1640 switch(s->vga.cr_index) { 1641 case 0x00: 1642 case 0x04: 1643 case 0x05: 1644 case 0x06: 1645 case 0x07: 1646 case 0x11: 1647 case 0x17: 1648 s->vga.update_retrace_info(&s->vga); 1649 break; 1650 } 1651 break; 1652 case 0x19: // Interlace End 1653 case 0x1a: // Miscellaneous Control 1654 case 0x1b: // Extended Display Control 1655 case 0x1c: // Sync Adjust and Genlock 1656 case 0x1d: // Overlay Extended Control 1657 s->vga.cr[s->vga.cr_index] = reg_value; 1658 #ifdef DEBUG_CIRRUS 1659 printf("cirrus: handled outport cr_index %02x, cr_value %02x\n", 1660 s->vga.cr_index, reg_value); 1661 #endif 1662 break; 1663 case 0x22: // Graphics Data Latches Readback (R) 1664 case 0x24: // Attribute Controller Toggle Readback (R) 1665 case 0x26: // Attribute Controller Index Readback (R) 1666 case 0x27: // Part ID (R) 1667 break; 1668 case 0x25: // Part Status 1669 default: 1670 #ifdef DEBUG_CIRRUS 1671 printf("cirrus: outport cr_index %02x, cr_value %02x\n", 1672 s->vga.cr_index, reg_value); 1673 #endif 1674 break; 1675 } 1676 } 1677 1678 /*************************************** 1679 * 1680 * memory-mapped I/O (bitblt) 1681 * 1682 ***************************************/ 1683 1684 static uint8_t cirrus_mmio_blt_read(CirrusVGAState * s, unsigned address) 1685 { 1686 int value = 0xff; 1687 1688 switch (address) { 1689 case (CIRRUS_MMIO_BLTBGCOLOR + 0): 1690 value = cirrus_vga_read_gr(s, 0x00); 1691 break; 1692 case (CIRRUS_MMIO_BLTBGCOLOR + 1): 1693 value = cirrus_vga_read_gr(s, 0x10); 1694 break; 1695 case (CIRRUS_MMIO_BLTBGCOLOR + 2): 1696 value = cirrus_vga_read_gr(s, 0x12); 1697 break; 1698 case (CIRRUS_MMIO_BLTBGCOLOR + 3): 1699 value = cirrus_vga_read_gr(s, 0x14); 1700 break; 1701 case (CIRRUS_MMIO_BLTFGCOLOR + 0): 1702 value = cirrus_vga_read_gr(s, 0x01); 1703 break; 1704 case (CIRRUS_MMIO_BLTFGCOLOR + 1): 1705 value = cirrus_vga_read_gr(s, 0x11); 1706 break; 1707 case (CIRRUS_MMIO_BLTFGCOLOR + 2): 1708 value = cirrus_vga_read_gr(s, 0x13); 1709 break; 1710 case (CIRRUS_MMIO_BLTFGCOLOR + 3): 1711 value = cirrus_vga_read_gr(s, 0x15); 1712 break; 1713 case (CIRRUS_MMIO_BLTWIDTH + 0): 1714 value = cirrus_vga_read_gr(s, 0x20); 1715 break; 1716 case (CIRRUS_MMIO_BLTWIDTH + 1): 1717 value = cirrus_vga_read_gr(s, 0x21); 1718 break; 1719 case (CIRRUS_MMIO_BLTHEIGHT + 0): 1720 value = cirrus_vga_read_gr(s, 0x22); 1721 break; 1722 case (CIRRUS_MMIO_BLTHEIGHT + 1): 1723 value = cirrus_vga_read_gr(s, 0x23); 1724 break; 1725 case (CIRRUS_MMIO_BLTDESTPITCH + 0): 1726 value = cirrus_vga_read_gr(s, 0x24); 1727 break; 1728 case (CIRRUS_MMIO_BLTDESTPITCH + 1): 1729 value = cirrus_vga_read_gr(s, 0x25); 1730 break; 1731 case (CIRRUS_MMIO_BLTSRCPITCH + 0): 1732 value = cirrus_vga_read_gr(s, 0x26); 1733 break; 1734 case (CIRRUS_MMIO_BLTSRCPITCH + 1): 1735 value = cirrus_vga_read_gr(s, 0x27); 1736 break; 1737 case (CIRRUS_MMIO_BLTDESTADDR + 0): 1738 value = cirrus_vga_read_gr(s, 0x28); 1739 break; 1740 case (CIRRUS_MMIO_BLTDESTADDR + 1): 1741 value = cirrus_vga_read_gr(s, 0x29); 1742 break; 1743 case (CIRRUS_MMIO_BLTDESTADDR + 2): 1744 value = cirrus_vga_read_gr(s, 0x2a); 1745 break; 1746 case (CIRRUS_MMIO_BLTSRCADDR + 0): 1747 value = cirrus_vga_read_gr(s, 0x2c); 1748 break; 1749 case (CIRRUS_MMIO_BLTSRCADDR + 1): 1750 value = cirrus_vga_read_gr(s, 0x2d); 1751 break; 1752 case (CIRRUS_MMIO_BLTSRCADDR + 2): 1753 value = cirrus_vga_read_gr(s, 0x2e); 1754 break; 1755 case CIRRUS_MMIO_BLTWRITEMASK: 1756 value = cirrus_vga_read_gr(s, 0x2f); 1757 break; 1758 case CIRRUS_MMIO_BLTMODE: 1759 value = cirrus_vga_read_gr(s, 0x30); 1760 break; 1761 case CIRRUS_MMIO_BLTROP: 1762 value = cirrus_vga_read_gr(s, 0x32); 1763 break; 1764 case CIRRUS_MMIO_BLTMODEEXT: 1765 value = cirrus_vga_read_gr(s, 0x33); 1766 break; 1767 case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 0): 1768 value = cirrus_vga_read_gr(s, 0x34); 1769 break; 1770 case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 1): 1771 value = cirrus_vga_read_gr(s, 0x35); 1772 break; 1773 case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 0): 1774 value = cirrus_vga_read_gr(s, 0x38); 1775 break; 1776 case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 1): 1777 value = cirrus_vga_read_gr(s, 0x39); 1778 break; 1779 case CIRRUS_MMIO_BLTSTATUS: 1780 value = cirrus_vga_read_gr(s, 0x31); 1781 break; 1782 default: 1783 #ifdef DEBUG_CIRRUS 1784 printf("cirrus: mmio read - address 0x%04x\n", address); 1785 #endif 1786 break; 1787 } 1788 1789 return (uint8_t) value; 1790 } 1791 1792 static void cirrus_mmio_blt_write(CirrusVGAState * s, unsigned address, 1793 uint8_t value) 1794 { 1795 switch (address) { 1796 case (CIRRUS_MMIO_BLTBGCOLOR + 0): 1797 cirrus_vga_write_gr(s, 0x00, value); 1798 break; 1799 case (CIRRUS_MMIO_BLTBGCOLOR + 1): 1800 cirrus_vga_write_gr(s, 0x10, value); 1801 break; 1802 case (CIRRUS_MMIO_BLTBGCOLOR + 2): 1803 cirrus_vga_write_gr(s, 0x12, value); 1804 break; 1805 case (CIRRUS_MMIO_BLTBGCOLOR + 3): 1806 cirrus_vga_write_gr(s, 0x14, value); 1807 break; 1808 case (CIRRUS_MMIO_BLTFGCOLOR + 0): 1809 cirrus_vga_write_gr(s, 0x01, value); 1810 break; 1811 case (CIRRUS_MMIO_BLTFGCOLOR + 1): 1812 cirrus_vga_write_gr(s, 0x11, value); 1813 break; 1814 case (CIRRUS_MMIO_BLTFGCOLOR + 2): 1815 cirrus_vga_write_gr(s, 0x13, value); 1816 break; 1817 case (CIRRUS_MMIO_BLTFGCOLOR + 3): 1818 cirrus_vga_write_gr(s, 0x15, value); 1819 break; 1820 case (CIRRUS_MMIO_BLTWIDTH + 0): 1821 cirrus_vga_write_gr(s, 0x20, value); 1822 break; 1823 case (CIRRUS_MMIO_BLTWIDTH + 1): 1824 cirrus_vga_write_gr(s, 0x21, value); 1825 break; 1826 case (CIRRUS_MMIO_BLTHEIGHT + 0): 1827 cirrus_vga_write_gr(s, 0x22, value); 1828 break; 1829 case (CIRRUS_MMIO_BLTHEIGHT + 1): 1830 cirrus_vga_write_gr(s, 0x23, value); 1831 break; 1832 case (CIRRUS_MMIO_BLTDESTPITCH + 0): 1833 cirrus_vga_write_gr(s, 0x24, value); 1834 break; 1835 case (CIRRUS_MMIO_BLTDESTPITCH + 1): 1836 cirrus_vga_write_gr(s, 0x25, value); 1837 break; 1838 case (CIRRUS_MMIO_BLTSRCPITCH + 0): 1839 cirrus_vga_write_gr(s, 0x26, value); 1840 break; 1841 case (CIRRUS_MMIO_BLTSRCPITCH + 1): 1842 cirrus_vga_write_gr(s, 0x27, value); 1843 break; 1844 case (CIRRUS_MMIO_BLTDESTADDR + 0): 1845 cirrus_vga_write_gr(s, 0x28, value); 1846 break; 1847 case (CIRRUS_MMIO_BLTDESTADDR + 1): 1848 cirrus_vga_write_gr(s, 0x29, value); 1849 break; 1850 case (CIRRUS_MMIO_BLTDESTADDR + 2): 1851 cirrus_vga_write_gr(s, 0x2a, value); 1852 break; 1853 case (CIRRUS_MMIO_BLTDESTADDR + 3): 1854 /* ignored */ 1855 break; 1856 case (CIRRUS_MMIO_BLTSRCADDR + 0): 1857 cirrus_vga_write_gr(s, 0x2c, value); 1858 break; 1859 case (CIRRUS_MMIO_BLTSRCADDR + 1): 1860 cirrus_vga_write_gr(s, 0x2d, value); 1861 break; 1862 case (CIRRUS_MMIO_BLTSRCADDR + 2): 1863 cirrus_vga_write_gr(s, 0x2e, value); 1864 break; 1865 case CIRRUS_MMIO_BLTWRITEMASK: 1866 cirrus_vga_write_gr(s, 0x2f, value); 1867 break; 1868 case CIRRUS_MMIO_BLTMODE: 1869 cirrus_vga_write_gr(s, 0x30, value); 1870 break; 1871 case CIRRUS_MMIO_BLTROP: 1872 cirrus_vga_write_gr(s, 0x32, value); 1873 break; 1874 case CIRRUS_MMIO_BLTMODEEXT: 1875 cirrus_vga_write_gr(s, 0x33, value); 1876 break; 1877 case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 0): 1878 cirrus_vga_write_gr(s, 0x34, value); 1879 break; 1880 case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 1): 1881 cirrus_vga_write_gr(s, 0x35, value); 1882 break; 1883 case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 0): 1884 cirrus_vga_write_gr(s, 0x38, value); 1885 break; 1886 case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 1): 1887 cirrus_vga_write_gr(s, 0x39, value); 1888 break; 1889 case CIRRUS_MMIO_BLTSTATUS: 1890 cirrus_vga_write_gr(s, 0x31, value); 1891 break; 1892 default: 1893 #ifdef DEBUG_CIRRUS 1894 printf("cirrus: mmio write - addr 0x%04x val 0x%02x (ignored)\n", 1895 address, value); 1896 #endif 1897 break; 1898 } 1899 } 1900 1901 /*************************************** 1902 * 1903 * write mode 4/5 1904 * 1905 ***************************************/ 1906 1907 static void cirrus_mem_writeb_mode4and5_8bpp(CirrusVGAState * s, 1908 unsigned mode, 1909 unsigned offset, 1910 uint32_t mem_value) 1911 { 1912 int x; 1913 unsigned val = mem_value; 1914 uint8_t *dst; 1915 1916 dst = s->vga.vram_ptr + (offset &= s->cirrus_addr_mask); 1917 for (x = 0; x < 8; x++) { 1918 if (val & 0x80) { 1919 *dst = s->cirrus_shadow_gr1; 1920 } else if (mode == 5) { 1921 *dst = s->cirrus_shadow_gr0; 1922 } 1923 val <<= 1; 1924 dst++; 1925 } 1926 memory_region_set_dirty(&s->vga.vram, offset, 8); 1927 } 1928 1929 static void cirrus_mem_writeb_mode4and5_16bpp(CirrusVGAState * s, 1930 unsigned mode, 1931 unsigned offset, 1932 uint32_t mem_value) 1933 { 1934 int x; 1935 unsigned val = mem_value; 1936 uint8_t *dst; 1937 1938 dst = s->vga.vram_ptr + (offset &= s->cirrus_addr_mask); 1939 for (x = 0; x < 8; x++) { 1940 if (val & 0x80) { 1941 *dst = s->cirrus_shadow_gr1; 1942 *(dst + 1) = s->vga.gr[0x11]; 1943 } else if (mode == 5) { 1944 *dst = s->cirrus_shadow_gr0; 1945 *(dst + 1) = s->vga.gr[0x10]; 1946 } 1947 val <<= 1; 1948 dst += 2; 1949 } 1950 memory_region_set_dirty(&s->vga.vram, offset, 16); 1951 } 1952 1953 /*************************************** 1954 * 1955 * memory access between 0xa0000-0xbffff 1956 * 1957 ***************************************/ 1958 1959 static uint64_t cirrus_vga_mem_read(void *opaque, 1960 hwaddr addr, 1961 uint32_t size) 1962 { 1963 CirrusVGAState *s = opaque; 1964 unsigned bank_index; 1965 unsigned bank_offset; 1966 uint32_t val; 1967 1968 if ((s->vga.sr[0x07] & 0x01) == 0) { 1969 return vga_mem_readb(&s->vga, addr); 1970 } 1971 1972 if (addr < 0x10000) { 1973 /* XXX handle bitblt */ 1974 /* video memory */ 1975 bank_index = addr >> 15; 1976 bank_offset = addr & 0x7fff; 1977 if (bank_offset < s->cirrus_bank_limit[bank_index]) { 1978 bank_offset += s->cirrus_bank_base[bank_index]; 1979 if ((s->vga.gr[0x0B] & 0x14) == 0x14) { 1980 bank_offset <<= 4; 1981 } else if (s->vga.gr[0x0B] & 0x02) { 1982 bank_offset <<= 3; 1983 } 1984 bank_offset &= s->cirrus_addr_mask; 1985 val = *(s->vga.vram_ptr + bank_offset); 1986 } else 1987 val = 0xff; 1988 } else if (addr >= 0x18000 && addr < 0x18100) { 1989 /* memory-mapped I/O */ 1990 val = 0xff; 1991 if ((s->vga.sr[0x17] & 0x44) == 0x04) { 1992 val = cirrus_mmio_blt_read(s, addr & 0xff); 1993 } 1994 } else { 1995 val = 0xff; 1996 #ifdef DEBUG_CIRRUS 1997 printf("cirrus: mem_readb " TARGET_FMT_plx "\n", addr); 1998 #endif 1999 } 2000 return val; 2001 } 2002 2003 static void cirrus_vga_mem_write(void *opaque, 2004 hwaddr addr, 2005 uint64_t mem_value, 2006 uint32_t size) 2007 { 2008 CirrusVGAState *s = opaque; 2009 unsigned bank_index; 2010 unsigned bank_offset; 2011 unsigned mode; 2012 2013 if ((s->vga.sr[0x07] & 0x01) == 0) { 2014 vga_mem_writeb(&s->vga, addr, mem_value); 2015 return; 2016 } 2017 2018 if (addr < 0x10000) { 2019 if (s->cirrus_srcptr != s->cirrus_srcptr_end) { 2020 /* bitblt */ 2021 *s->cirrus_srcptr++ = (uint8_t) mem_value; 2022 if (s->cirrus_srcptr >= s->cirrus_srcptr_end) { 2023 cirrus_bitblt_cputovideo_next(s); 2024 } 2025 } else { 2026 /* video memory */ 2027 bank_index = addr >> 15; 2028 bank_offset = addr & 0x7fff; 2029 if (bank_offset < s->cirrus_bank_limit[bank_index]) { 2030 bank_offset += s->cirrus_bank_base[bank_index]; 2031 if ((s->vga.gr[0x0B] & 0x14) == 0x14) { 2032 bank_offset <<= 4; 2033 } else if (s->vga.gr[0x0B] & 0x02) { 2034 bank_offset <<= 3; 2035 } 2036 bank_offset &= s->cirrus_addr_mask; 2037 mode = s->vga.gr[0x05] & 0x7; 2038 if (mode < 4 || mode > 5 || ((s->vga.gr[0x0B] & 0x4) == 0)) { 2039 *(s->vga.vram_ptr + bank_offset) = mem_value; 2040 memory_region_set_dirty(&s->vga.vram, bank_offset, 2041 sizeof(mem_value)); 2042 } else { 2043 if ((s->vga.gr[0x0B] & 0x14) != 0x14) { 2044 cirrus_mem_writeb_mode4and5_8bpp(s, mode, 2045 bank_offset, 2046 mem_value); 2047 } else { 2048 cirrus_mem_writeb_mode4and5_16bpp(s, mode, 2049 bank_offset, 2050 mem_value); 2051 } 2052 } 2053 } 2054 } 2055 } else if (addr >= 0x18000 && addr < 0x18100) { 2056 /* memory-mapped I/O */ 2057 if ((s->vga.sr[0x17] & 0x44) == 0x04) { 2058 cirrus_mmio_blt_write(s, addr & 0xff, mem_value); 2059 } 2060 } else { 2061 #ifdef DEBUG_CIRRUS 2062 printf("cirrus: mem_writeb " TARGET_FMT_plx " value %02x\n", addr, 2063 mem_value); 2064 #endif 2065 } 2066 } 2067 2068 static const MemoryRegionOps cirrus_vga_mem_ops = { 2069 .read = cirrus_vga_mem_read, 2070 .write = cirrus_vga_mem_write, 2071 .endianness = DEVICE_LITTLE_ENDIAN, 2072 .impl = { 2073 .min_access_size = 1, 2074 .max_access_size = 1, 2075 }, 2076 }; 2077 2078 /*************************************** 2079 * 2080 * hardware cursor 2081 * 2082 ***************************************/ 2083 2084 static inline void invalidate_cursor1(CirrusVGAState *s) 2085 { 2086 if (s->last_hw_cursor_size) { 2087 vga_invalidate_scanlines(&s->vga, 2088 s->last_hw_cursor_y + s->last_hw_cursor_y_start, 2089 s->last_hw_cursor_y + s->last_hw_cursor_y_end); 2090 } 2091 } 2092 2093 static inline void cirrus_cursor_compute_yrange(CirrusVGAState *s) 2094 { 2095 const uint8_t *src; 2096 uint32_t content; 2097 int y, y_min, y_max; 2098 2099 src = s->vga.vram_ptr + s->real_vram_size - 16 * 1024; 2100 if (s->vga.sr[0x12] & CIRRUS_CURSOR_LARGE) { 2101 src += (s->vga.sr[0x13] & 0x3c) * 256; 2102 y_min = 64; 2103 y_max = -1; 2104 for(y = 0; y < 64; y++) { 2105 content = ((uint32_t *)src)[0] | 2106 ((uint32_t *)src)[1] | 2107 ((uint32_t *)src)[2] | 2108 ((uint32_t *)src)[3]; 2109 if (content) { 2110 if (y < y_min) 2111 y_min = y; 2112 if (y > y_max) 2113 y_max = y; 2114 } 2115 src += 16; 2116 } 2117 } else { 2118 src += (s->vga.sr[0x13] & 0x3f) * 256; 2119 y_min = 32; 2120 y_max = -1; 2121 for(y = 0; y < 32; y++) { 2122 content = ((uint32_t *)src)[0] | 2123 ((uint32_t *)(src + 128))[0]; 2124 if (content) { 2125 if (y < y_min) 2126 y_min = y; 2127 if (y > y_max) 2128 y_max = y; 2129 } 2130 src += 4; 2131 } 2132 } 2133 if (y_min > y_max) { 2134 s->last_hw_cursor_y_start = 0; 2135 s->last_hw_cursor_y_end = 0; 2136 } else { 2137 s->last_hw_cursor_y_start = y_min; 2138 s->last_hw_cursor_y_end = y_max + 1; 2139 } 2140 } 2141 2142 /* NOTE: we do not currently handle the cursor bitmap change, so we 2143 update the cursor only if it moves. */ 2144 static void cirrus_cursor_invalidate(VGACommonState *s1) 2145 { 2146 CirrusVGAState *s = container_of(s1, CirrusVGAState, vga); 2147 int size; 2148 2149 if (!(s->vga.sr[0x12] & CIRRUS_CURSOR_SHOW)) { 2150 size = 0; 2151 } else { 2152 if (s->vga.sr[0x12] & CIRRUS_CURSOR_LARGE) 2153 size = 64; 2154 else 2155 size = 32; 2156 } 2157 /* invalidate last cursor and new cursor if any change */ 2158 if (s->last_hw_cursor_size != size || 2159 s->last_hw_cursor_x != s->hw_cursor_x || 2160 s->last_hw_cursor_y != s->hw_cursor_y) { 2161 2162 invalidate_cursor1(s); 2163 2164 s->last_hw_cursor_size = size; 2165 s->last_hw_cursor_x = s->hw_cursor_x; 2166 s->last_hw_cursor_y = s->hw_cursor_y; 2167 /* compute the real cursor min and max y */ 2168 cirrus_cursor_compute_yrange(s); 2169 invalidate_cursor1(s); 2170 } 2171 } 2172 2173 #define DEPTH 8 2174 #include "cirrus_vga_template.h" 2175 2176 #define DEPTH 16 2177 #include "cirrus_vga_template.h" 2178 2179 #define DEPTH 32 2180 #include "cirrus_vga_template.h" 2181 2182 static void cirrus_cursor_draw_line(VGACommonState *s1, uint8_t *d1, int scr_y) 2183 { 2184 CirrusVGAState *s = container_of(s1, CirrusVGAState, vga); 2185 DisplaySurface *surface = qemu_console_surface(s->vga.con); 2186 int w, h, bpp, x1, x2, poffset; 2187 unsigned int color0, color1; 2188 const uint8_t *palette, *src; 2189 uint32_t content; 2190 2191 if (!(s->vga.sr[0x12] & CIRRUS_CURSOR_SHOW)) 2192 return; 2193 /* fast test to see if the cursor intersects with the scan line */ 2194 if (s->vga.sr[0x12] & CIRRUS_CURSOR_LARGE) { 2195 h = 64; 2196 } else { 2197 h = 32; 2198 } 2199 if (scr_y < s->hw_cursor_y || 2200 scr_y >= (s->hw_cursor_y + h)) 2201 return; 2202 2203 src = s->vga.vram_ptr + s->real_vram_size - 16 * 1024; 2204 if (s->vga.sr[0x12] & CIRRUS_CURSOR_LARGE) { 2205 src += (s->vga.sr[0x13] & 0x3c) * 256; 2206 src += (scr_y - s->hw_cursor_y) * 16; 2207 poffset = 8; 2208 content = ((uint32_t *)src)[0] | 2209 ((uint32_t *)src)[1] | 2210 ((uint32_t *)src)[2] | 2211 ((uint32_t *)src)[3]; 2212 } else { 2213 src += (s->vga.sr[0x13] & 0x3f) * 256; 2214 src += (scr_y - s->hw_cursor_y) * 4; 2215 poffset = 128; 2216 content = ((uint32_t *)src)[0] | 2217 ((uint32_t *)(src + 128))[0]; 2218 } 2219 /* if nothing to draw, no need to continue */ 2220 if (!content) 2221 return; 2222 w = h; 2223 2224 x1 = s->hw_cursor_x; 2225 if (x1 >= s->vga.last_scr_width) 2226 return; 2227 x2 = s->hw_cursor_x + w; 2228 if (x2 > s->vga.last_scr_width) 2229 x2 = s->vga.last_scr_width; 2230 w = x2 - x1; 2231 palette = s->cirrus_hidden_palette; 2232 color0 = s->vga.rgb_to_pixel(c6_to_8(palette[0x0 * 3]), 2233 c6_to_8(palette[0x0 * 3 + 1]), 2234 c6_to_8(palette[0x0 * 3 + 2])); 2235 color1 = s->vga.rgb_to_pixel(c6_to_8(palette[0xf * 3]), 2236 c6_to_8(palette[0xf * 3 + 1]), 2237 c6_to_8(palette[0xf * 3 + 2])); 2238 bpp = surface_bytes_per_pixel(surface); 2239 d1 += x1 * bpp; 2240 switch (surface_bits_per_pixel(surface)) { 2241 default: 2242 break; 2243 case 8: 2244 vga_draw_cursor_line_8(d1, src, poffset, w, color0, color1, 0xff); 2245 break; 2246 case 15: 2247 vga_draw_cursor_line_16(d1, src, poffset, w, color0, color1, 0x7fff); 2248 break; 2249 case 16: 2250 vga_draw_cursor_line_16(d1, src, poffset, w, color0, color1, 0xffff); 2251 break; 2252 case 32: 2253 vga_draw_cursor_line_32(d1, src, poffset, w, color0, color1, 0xffffff); 2254 break; 2255 } 2256 } 2257 2258 /*************************************** 2259 * 2260 * LFB memory access 2261 * 2262 ***************************************/ 2263 2264 static uint64_t cirrus_linear_read(void *opaque, hwaddr addr, 2265 unsigned size) 2266 { 2267 CirrusVGAState *s = opaque; 2268 uint32_t ret; 2269 2270 addr &= s->cirrus_addr_mask; 2271 2272 if (((s->vga.sr[0x17] & 0x44) == 0x44) && 2273 ((addr & s->linear_mmio_mask) == s->linear_mmio_mask)) { 2274 /* memory-mapped I/O */ 2275 ret = cirrus_mmio_blt_read(s, addr & 0xff); 2276 } else if (0) { 2277 /* XXX handle bitblt */ 2278 ret = 0xff; 2279 } else { 2280 /* video memory */ 2281 if ((s->vga.gr[0x0B] & 0x14) == 0x14) { 2282 addr <<= 4; 2283 } else if (s->vga.gr[0x0B] & 0x02) { 2284 addr <<= 3; 2285 } 2286 addr &= s->cirrus_addr_mask; 2287 ret = *(s->vga.vram_ptr + addr); 2288 } 2289 2290 return ret; 2291 } 2292 2293 static void cirrus_linear_write(void *opaque, hwaddr addr, 2294 uint64_t val, unsigned size) 2295 { 2296 CirrusVGAState *s = opaque; 2297 unsigned mode; 2298 2299 addr &= s->cirrus_addr_mask; 2300 2301 if (((s->vga.sr[0x17] & 0x44) == 0x44) && 2302 ((addr & s->linear_mmio_mask) == s->linear_mmio_mask)) { 2303 /* memory-mapped I/O */ 2304 cirrus_mmio_blt_write(s, addr & 0xff, val); 2305 } else if (s->cirrus_srcptr != s->cirrus_srcptr_end) { 2306 /* bitblt */ 2307 *s->cirrus_srcptr++ = (uint8_t) val; 2308 if (s->cirrus_srcptr >= s->cirrus_srcptr_end) { 2309 cirrus_bitblt_cputovideo_next(s); 2310 } 2311 } else { 2312 /* video memory */ 2313 if ((s->vga.gr[0x0B] & 0x14) == 0x14) { 2314 addr <<= 4; 2315 } else if (s->vga.gr[0x0B] & 0x02) { 2316 addr <<= 3; 2317 } 2318 addr &= s->cirrus_addr_mask; 2319 2320 mode = s->vga.gr[0x05] & 0x7; 2321 if (mode < 4 || mode > 5 || ((s->vga.gr[0x0B] & 0x4) == 0)) { 2322 *(s->vga.vram_ptr + addr) = (uint8_t) val; 2323 memory_region_set_dirty(&s->vga.vram, addr, 1); 2324 } else { 2325 if ((s->vga.gr[0x0B] & 0x14) != 0x14) { 2326 cirrus_mem_writeb_mode4and5_8bpp(s, mode, addr, val); 2327 } else { 2328 cirrus_mem_writeb_mode4and5_16bpp(s, mode, addr, val); 2329 } 2330 } 2331 } 2332 } 2333 2334 /*************************************** 2335 * 2336 * system to screen memory access 2337 * 2338 ***************************************/ 2339 2340 2341 static uint64_t cirrus_linear_bitblt_read(void *opaque, 2342 hwaddr addr, 2343 unsigned size) 2344 { 2345 CirrusVGAState *s = opaque; 2346 uint32_t ret; 2347 2348 /* XXX handle bitblt */ 2349 (void)s; 2350 ret = 0xff; 2351 return ret; 2352 } 2353 2354 static void cirrus_linear_bitblt_write(void *opaque, 2355 hwaddr addr, 2356 uint64_t val, 2357 unsigned size) 2358 { 2359 CirrusVGAState *s = opaque; 2360 2361 if (s->cirrus_srcptr != s->cirrus_srcptr_end) { 2362 /* bitblt */ 2363 *s->cirrus_srcptr++ = (uint8_t) val; 2364 if (s->cirrus_srcptr >= s->cirrus_srcptr_end) { 2365 cirrus_bitblt_cputovideo_next(s); 2366 } 2367 } 2368 } 2369 2370 static const MemoryRegionOps cirrus_linear_bitblt_io_ops = { 2371 .read = cirrus_linear_bitblt_read, 2372 .write = cirrus_linear_bitblt_write, 2373 .endianness = DEVICE_LITTLE_ENDIAN, 2374 .impl = { 2375 .min_access_size = 1, 2376 .max_access_size = 1, 2377 }, 2378 }; 2379 2380 static void map_linear_vram_bank(CirrusVGAState *s, unsigned bank) 2381 { 2382 MemoryRegion *mr = &s->cirrus_bank[bank]; 2383 bool enabled = !(s->cirrus_srcptr != s->cirrus_srcptr_end) 2384 && !((s->vga.sr[0x07] & 0x01) == 0) 2385 && !((s->vga.gr[0x0B] & 0x14) == 0x14) 2386 && !(s->vga.gr[0x0B] & 0x02); 2387 2388 memory_region_set_enabled(mr, enabled); 2389 memory_region_set_alias_offset(mr, s->cirrus_bank_base[bank]); 2390 } 2391 2392 static void map_linear_vram(CirrusVGAState *s) 2393 { 2394 if (s->bustype == CIRRUS_BUSTYPE_PCI && !s->linear_vram) { 2395 s->linear_vram = true; 2396 memory_region_add_subregion_overlap(&s->pci_bar, 0, &s->vga.vram, 1); 2397 } 2398 map_linear_vram_bank(s, 0); 2399 map_linear_vram_bank(s, 1); 2400 } 2401 2402 static void unmap_linear_vram(CirrusVGAState *s) 2403 { 2404 if (s->bustype == CIRRUS_BUSTYPE_PCI && s->linear_vram) { 2405 s->linear_vram = false; 2406 memory_region_del_subregion(&s->pci_bar, &s->vga.vram); 2407 } 2408 memory_region_set_enabled(&s->cirrus_bank[0], false); 2409 memory_region_set_enabled(&s->cirrus_bank[1], false); 2410 } 2411 2412 /* Compute the memory access functions */ 2413 static void cirrus_update_memory_access(CirrusVGAState *s) 2414 { 2415 unsigned mode; 2416 2417 memory_region_transaction_begin(); 2418 if ((s->vga.sr[0x17] & 0x44) == 0x44) { 2419 goto generic_io; 2420 } else if (s->cirrus_srcptr != s->cirrus_srcptr_end) { 2421 goto generic_io; 2422 } else { 2423 if ((s->vga.gr[0x0B] & 0x14) == 0x14) { 2424 goto generic_io; 2425 } else if (s->vga.gr[0x0B] & 0x02) { 2426 goto generic_io; 2427 } 2428 2429 mode = s->vga.gr[0x05] & 0x7; 2430 if (mode < 4 || mode > 5 || ((s->vga.gr[0x0B] & 0x4) == 0)) { 2431 map_linear_vram(s); 2432 } else { 2433 generic_io: 2434 unmap_linear_vram(s); 2435 } 2436 } 2437 memory_region_transaction_commit(); 2438 } 2439 2440 2441 /* I/O ports */ 2442 2443 static uint64_t cirrus_vga_ioport_read(void *opaque, hwaddr addr, 2444 unsigned size) 2445 { 2446 CirrusVGAState *c = opaque; 2447 VGACommonState *s = &c->vga; 2448 int val, index; 2449 2450 addr += 0x3b0; 2451 2452 if (vga_ioport_invalid(s, addr)) { 2453 val = 0xff; 2454 } else { 2455 switch (addr) { 2456 case 0x3c0: 2457 if (s->ar_flip_flop == 0) { 2458 val = s->ar_index; 2459 } else { 2460 val = 0; 2461 } 2462 break; 2463 case 0x3c1: 2464 index = s->ar_index & 0x1f; 2465 if (index < 21) 2466 val = s->ar[index]; 2467 else 2468 val = 0; 2469 break; 2470 case 0x3c2: 2471 val = s->st00; 2472 break; 2473 case 0x3c4: 2474 val = s->sr_index; 2475 break; 2476 case 0x3c5: 2477 val = cirrus_vga_read_sr(c); 2478 break; 2479 #ifdef DEBUG_VGA_REG 2480 printf("vga: read SR%x = 0x%02x\n", s->sr_index, val); 2481 #endif 2482 break; 2483 case 0x3c6: 2484 val = cirrus_read_hidden_dac(c); 2485 break; 2486 case 0x3c7: 2487 val = s->dac_state; 2488 break; 2489 case 0x3c8: 2490 val = s->dac_write_index; 2491 c->cirrus_hidden_dac_lockindex = 0; 2492 break; 2493 case 0x3c9: 2494 val = cirrus_vga_read_palette(c); 2495 break; 2496 case 0x3ca: 2497 val = s->fcr; 2498 break; 2499 case 0x3cc: 2500 val = s->msr; 2501 break; 2502 case 0x3ce: 2503 val = s->gr_index; 2504 break; 2505 case 0x3cf: 2506 val = cirrus_vga_read_gr(c, s->gr_index); 2507 #ifdef DEBUG_VGA_REG 2508 printf("vga: read GR%x = 0x%02x\n", s->gr_index, val); 2509 #endif 2510 break; 2511 case 0x3b4: 2512 case 0x3d4: 2513 val = s->cr_index; 2514 break; 2515 case 0x3b5: 2516 case 0x3d5: 2517 val = cirrus_vga_read_cr(c, s->cr_index); 2518 #ifdef DEBUG_VGA_REG 2519 printf("vga: read CR%x = 0x%02x\n", s->cr_index, val); 2520 #endif 2521 break; 2522 case 0x3ba: 2523 case 0x3da: 2524 /* just toggle to fool polling */ 2525 val = s->st01 = s->retrace(s); 2526 s->ar_flip_flop = 0; 2527 break; 2528 default: 2529 val = 0x00; 2530 break; 2531 } 2532 } 2533 #if defined(DEBUG_VGA) 2534 printf("VGA: read addr=0x%04x data=0x%02x\n", addr, val); 2535 #endif 2536 return val; 2537 } 2538 2539 static void cirrus_vga_ioport_write(void *opaque, hwaddr addr, uint64_t val, 2540 unsigned size) 2541 { 2542 CirrusVGAState *c = opaque; 2543 VGACommonState *s = &c->vga; 2544 int index; 2545 2546 addr += 0x3b0; 2547 2548 /* check port range access depending on color/monochrome mode */ 2549 if (vga_ioport_invalid(s, addr)) { 2550 return; 2551 } 2552 #ifdef DEBUG_VGA 2553 printf("VGA: write addr=0x%04x data=0x%02x\n", addr, val); 2554 #endif 2555 2556 switch (addr) { 2557 case 0x3c0: 2558 if (s->ar_flip_flop == 0) { 2559 val &= 0x3f; 2560 s->ar_index = val; 2561 } else { 2562 index = s->ar_index & 0x1f; 2563 switch (index) { 2564 case 0x00 ... 0x0f: 2565 s->ar[index] = val & 0x3f; 2566 break; 2567 case 0x10: 2568 s->ar[index] = val & ~0x10; 2569 break; 2570 case 0x11: 2571 s->ar[index] = val; 2572 break; 2573 case 0x12: 2574 s->ar[index] = val & ~0xc0; 2575 break; 2576 case 0x13: 2577 s->ar[index] = val & ~0xf0; 2578 break; 2579 case 0x14: 2580 s->ar[index] = val & ~0xf0; 2581 break; 2582 default: 2583 break; 2584 } 2585 } 2586 s->ar_flip_flop ^= 1; 2587 break; 2588 case 0x3c2: 2589 s->msr = val & ~0x10; 2590 s->update_retrace_info(s); 2591 break; 2592 case 0x3c4: 2593 s->sr_index = val; 2594 break; 2595 case 0x3c5: 2596 #ifdef DEBUG_VGA_REG 2597 printf("vga: write SR%x = 0x%02x\n", s->sr_index, val); 2598 #endif 2599 cirrus_vga_write_sr(c, val); 2600 break; 2601 case 0x3c6: 2602 cirrus_write_hidden_dac(c, val); 2603 break; 2604 case 0x3c7: 2605 s->dac_read_index = val; 2606 s->dac_sub_index = 0; 2607 s->dac_state = 3; 2608 break; 2609 case 0x3c8: 2610 s->dac_write_index = val; 2611 s->dac_sub_index = 0; 2612 s->dac_state = 0; 2613 break; 2614 case 0x3c9: 2615 cirrus_vga_write_palette(c, val); 2616 break; 2617 case 0x3ce: 2618 s->gr_index = val; 2619 break; 2620 case 0x3cf: 2621 #ifdef DEBUG_VGA_REG 2622 printf("vga: write GR%x = 0x%02x\n", s->gr_index, val); 2623 #endif 2624 cirrus_vga_write_gr(c, s->gr_index, val); 2625 break; 2626 case 0x3b4: 2627 case 0x3d4: 2628 s->cr_index = val; 2629 break; 2630 case 0x3b5: 2631 case 0x3d5: 2632 #ifdef DEBUG_VGA_REG 2633 printf("vga: write CR%x = 0x%02x\n", s->cr_index, val); 2634 #endif 2635 cirrus_vga_write_cr(c, val); 2636 break; 2637 case 0x3ba: 2638 case 0x3da: 2639 s->fcr = val & 0x10; 2640 break; 2641 } 2642 } 2643 2644 /*************************************** 2645 * 2646 * memory-mapped I/O access 2647 * 2648 ***************************************/ 2649 2650 static uint64_t cirrus_mmio_read(void *opaque, hwaddr addr, 2651 unsigned size) 2652 { 2653 CirrusVGAState *s = opaque; 2654 2655 if (addr >= 0x100) { 2656 return cirrus_mmio_blt_read(s, addr - 0x100); 2657 } else { 2658 return cirrus_vga_ioport_read(s, addr + 0x10, size); 2659 } 2660 } 2661 2662 static void cirrus_mmio_write(void *opaque, hwaddr addr, 2663 uint64_t val, unsigned size) 2664 { 2665 CirrusVGAState *s = opaque; 2666 2667 if (addr >= 0x100) { 2668 cirrus_mmio_blt_write(s, addr - 0x100, val); 2669 } else { 2670 cirrus_vga_ioport_write(s, addr + 0x10, val, size); 2671 } 2672 } 2673 2674 static const MemoryRegionOps cirrus_mmio_io_ops = { 2675 .read = cirrus_mmio_read, 2676 .write = cirrus_mmio_write, 2677 .endianness = DEVICE_LITTLE_ENDIAN, 2678 .impl = { 2679 .min_access_size = 1, 2680 .max_access_size = 1, 2681 }, 2682 }; 2683 2684 /* load/save state */ 2685 2686 static int cirrus_post_load(void *opaque, int version_id) 2687 { 2688 CirrusVGAState *s = opaque; 2689 2690 s->vga.gr[0x00] = s->cirrus_shadow_gr0 & 0x0f; 2691 s->vga.gr[0x01] = s->cirrus_shadow_gr1 & 0x0f; 2692 2693 cirrus_update_memory_access(s); 2694 /* force refresh */ 2695 s->vga.graphic_mode = -1; 2696 cirrus_update_bank_ptr(s, 0); 2697 cirrus_update_bank_ptr(s, 1); 2698 return 0; 2699 } 2700 2701 static const VMStateDescription vmstate_cirrus_vga = { 2702 .name = "cirrus_vga", 2703 .version_id = 2, 2704 .minimum_version_id = 1, 2705 .minimum_version_id_old = 1, 2706 .post_load = cirrus_post_load, 2707 .fields = (VMStateField []) { 2708 VMSTATE_UINT32(vga.latch, CirrusVGAState), 2709 VMSTATE_UINT8(vga.sr_index, CirrusVGAState), 2710 VMSTATE_BUFFER(vga.sr, CirrusVGAState), 2711 VMSTATE_UINT8(vga.gr_index, CirrusVGAState), 2712 VMSTATE_UINT8(cirrus_shadow_gr0, CirrusVGAState), 2713 VMSTATE_UINT8(cirrus_shadow_gr1, CirrusVGAState), 2714 VMSTATE_BUFFER_START_MIDDLE(vga.gr, CirrusVGAState, 2), 2715 VMSTATE_UINT8(vga.ar_index, CirrusVGAState), 2716 VMSTATE_BUFFER(vga.ar, CirrusVGAState), 2717 VMSTATE_INT32(vga.ar_flip_flop, CirrusVGAState), 2718 VMSTATE_UINT8(vga.cr_index, CirrusVGAState), 2719 VMSTATE_BUFFER(vga.cr, CirrusVGAState), 2720 VMSTATE_UINT8(vga.msr, CirrusVGAState), 2721 VMSTATE_UINT8(vga.fcr, CirrusVGAState), 2722 VMSTATE_UINT8(vga.st00, CirrusVGAState), 2723 VMSTATE_UINT8(vga.st01, CirrusVGAState), 2724 VMSTATE_UINT8(vga.dac_state, CirrusVGAState), 2725 VMSTATE_UINT8(vga.dac_sub_index, CirrusVGAState), 2726 VMSTATE_UINT8(vga.dac_read_index, CirrusVGAState), 2727 VMSTATE_UINT8(vga.dac_write_index, CirrusVGAState), 2728 VMSTATE_BUFFER(vga.dac_cache, CirrusVGAState), 2729 VMSTATE_BUFFER(vga.palette, CirrusVGAState), 2730 VMSTATE_INT32(vga.bank_offset, CirrusVGAState), 2731 VMSTATE_UINT8(cirrus_hidden_dac_lockindex, CirrusVGAState), 2732 VMSTATE_UINT8(cirrus_hidden_dac_data, CirrusVGAState), 2733 VMSTATE_UINT32(hw_cursor_x, CirrusVGAState), 2734 VMSTATE_UINT32(hw_cursor_y, CirrusVGAState), 2735 /* XXX: we do not save the bitblt state - we assume we do not save 2736 the state when the blitter is active */ 2737 VMSTATE_END_OF_LIST() 2738 } 2739 }; 2740 2741 static const VMStateDescription vmstate_pci_cirrus_vga = { 2742 .name = "cirrus_vga", 2743 .version_id = 2, 2744 .minimum_version_id = 2, 2745 .minimum_version_id_old = 2, 2746 .fields = (VMStateField []) { 2747 VMSTATE_PCI_DEVICE(dev, PCICirrusVGAState), 2748 VMSTATE_STRUCT(cirrus_vga, PCICirrusVGAState, 0, 2749 vmstate_cirrus_vga, CirrusVGAState), 2750 VMSTATE_END_OF_LIST() 2751 } 2752 }; 2753 2754 /*************************************** 2755 * 2756 * initialize 2757 * 2758 ***************************************/ 2759 2760 static void cirrus_reset(void *opaque) 2761 { 2762 CirrusVGAState *s = opaque; 2763 2764 vga_common_reset(&s->vga); 2765 unmap_linear_vram(s); 2766 s->vga.sr[0x06] = 0x0f; 2767 if (s->device_id == CIRRUS_ID_CLGD5446) { 2768 /* 4MB 64 bit memory config, always PCI */ 2769 s->vga.sr[0x1F] = 0x2d; // MemClock 2770 s->vga.gr[0x18] = 0x0f; // fastest memory configuration 2771 s->vga.sr[0x0f] = 0x98; 2772 s->vga.sr[0x17] = 0x20; 2773 s->vga.sr[0x15] = 0x04; /* memory size, 3=2MB, 4=4MB */ 2774 } else { 2775 s->vga.sr[0x1F] = 0x22; // MemClock 2776 s->vga.sr[0x0F] = CIRRUS_MEMSIZE_2M; 2777 s->vga.sr[0x17] = s->bustype; 2778 s->vga.sr[0x15] = 0x03; /* memory size, 3=2MB, 4=4MB */ 2779 } 2780 s->vga.cr[0x27] = s->device_id; 2781 2782 s->cirrus_hidden_dac_lockindex = 5; 2783 s->cirrus_hidden_dac_data = 0; 2784 } 2785 2786 static const MemoryRegionOps cirrus_linear_io_ops = { 2787 .read = cirrus_linear_read, 2788 .write = cirrus_linear_write, 2789 .endianness = DEVICE_LITTLE_ENDIAN, 2790 .impl = { 2791 .min_access_size = 1, 2792 .max_access_size = 1, 2793 }, 2794 }; 2795 2796 static const MemoryRegionOps cirrus_vga_io_ops = { 2797 .read = cirrus_vga_ioport_read, 2798 .write = cirrus_vga_ioport_write, 2799 .endianness = DEVICE_LITTLE_ENDIAN, 2800 .impl = { 2801 .min_access_size = 1, 2802 .max_access_size = 1, 2803 }, 2804 }; 2805 2806 static void cirrus_init_common(CirrusVGAState *s, Object *owner, 2807 int device_id, int is_pci, 2808 MemoryRegion *system_memory, 2809 MemoryRegion *system_io) 2810 { 2811 int i; 2812 static int inited; 2813 2814 if (!inited) { 2815 inited = 1; 2816 for(i = 0;i < 256; i++) 2817 rop_to_index[i] = CIRRUS_ROP_NOP_INDEX; /* nop rop */ 2818 rop_to_index[CIRRUS_ROP_0] = 0; 2819 rop_to_index[CIRRUS_ROP_SRC_AND_DST] = 1; 2820 rop_to_index[CIRRUS_ROP_NOP] = 2; 2821 rop_to_index[CIRRUS_ROP_SRC_AND_NOTDST] = 3; 2822 rop_to_index[CIRRUS_ROP_NOTDST] = 4; 2823 rop_to_index[CIRRUS_ROP_SRC] = 5; 2824 rop_to_index[CIRRUS_ROP_1] = 6; 2825 rop_to_index[CIRRUS_ROP_NOTSRC_AND_DST] = 7; 2826 rop_to_index[CIRRUS_ROP_SRC_XOR_DST] = 8; 2827 rop_to_index[CIRRUS_ROP_SRC_OR_DST] = 9; 2828 rop_to_index[CIRRUS_ROP_NOTSRC_OR_NOTDST] = 10; 2829 rop_to_index[CIRRUS_ROP_SRC_NOTXOR_DST] = 11; 2830 rop_to_index[CIRRUS_ROP_SRC_OR_NOTDST] = 12; 2831 rop_to_index[CIRRUS_ROP_NOTSRC] = 13; 2832 rop_to_index[CIRRUS_ROP_NOTSRC_OR_DST] = 14; 2833 rop_to_index[CIRRUS_ROP_NOTSRC_AND_NOTDST] = 15; 2834 s->device_id = device_id; 2835 if (is_pci) 2836 s->bustype = CIRRUS_BUSTYPE_PCI; 2837 else 2838 s->bustype = CIRRUS_BUSTYPE_ISA; 2839 } 2840 2841 /* Register ioport 0x3b0 - 0x3df */ 2842 memory_region_init_io(&s->cirrus_vga_io, owner, &cirrus_vga_io_ops, s, 2843 "cirrus-io", 0x30); 2844 memory_region_set_flush_coalesced(&s->cirrus_vga_io); 2845 memory_region_add_subregion(system_io, 0x3b0, &s->cirrus_vga_io); 2846 2847 memory_region_init(&s->low_mem_container, owner, 2848 "cirrus-lowmem-container", 2849 0x20000); 2850 2851 memory_region_init_io(&s->low_mem, owner, &cirrus_vga_mem_ops, s, 2852 "cirrus-low-memory", 0x20000); 2853 memory_region_add_subregion(&s->low_mem_container, 0, &s->low_mem); 2854 for (i = 0; i < 2; ++i) { 2855 static const char *names[] = { "vga.bank0", "vga.bank1" }; 2856 MemoryRegion *bank = &s->cirrus_bank[i]; 2857 memory_region_init_alias(bank, owner, names[i], &s->vga.vram, 2858 0, 0x8000); 2859 memory_region_set_enabled(bank, false); 2860 memory_region_add_subregion_overlap(&s->low_mem_container, i * 0x8000, 2861 bank, 1); 2862 } 2863 memory_region_add_subregion_overlap(system_memory, 2864 isa_mem_base + 0x000a0000, 2865 &s->low_mem_container, 2866 1); 2867 memory_region_set_coalescing(&s->low_mem); 2868 2869 /* I/O handler for LFB */ 2870 memory_region_init_io(&s->cirrus_linear_io, owner, &cirrus_linear_io_ops, s, 2871 "cirrus-linear-io", s->vga.vram_size_mb 2872 * 1024 * 1024); 2873 memory_region_set_flush_coalesced(&s->cirrus_linear_io); 2874 2875 /* I/O handler for LFB */ 2876 memory_region_init_io(&s->cirrus_linear_bitblt_io, owner, 2877 &cirrus_linear_bitblt_io_ops, 2878 s, 2879 "cirrus-bitblt-mmio", 2880 0x400000); 2881 memory_region_set_flush_coalesced(&s->cirrus_linear_bitblt_io); 2882 2883 /* I/O handler for memory-mapped I/O */ 2884 memory_region_init_io(&s->cirrus_mmio_io, owner, &cirrus_mmio_io_ops, s, 2885 "cirrus-mmio", CIRRUS_PNPMMIO_SIZE); 2886 memory_region_set_flush_coalesced(&s->cirrus_mmio_io); 2887 2888 s->real_vram_size = 2889 (s->device_id == CIRRUS_ID_CLGD5446) ? 4096 * 1024 : 2048 * 1024; 2890 2891 /* XXX: s->vga.vram_size must be a power of two */ 2892 s->cirrus_addr_mask = s->real_vram_size - 1; 2893 s->linear_mmio_mask = s->real_vram_size - 256; 2894 2895 s->vga.get_bpp = cirrus_get_bpp; 2896 s->vga.get_offsets = cirrus_get_offsets; 2897 s->vga.get_resolution = cirrus_get_resolution; 2898 s->vga.cursor_invalidate = cirrus_cursor_invalidate; 2899 s->vga.cursor_draw_line = cirrus_cursor_draw_line; 2900 2901 qemu_register_reset(cirrus_reset, s); 2902 } 2903 2904 /*************************************** 2905 * 2906 * ISA bus support 2907 * 2908 ***************************************/ 2909 2910 static void isa_cirrus_vga_realizefn(DeviceState *dev, Error **errp) 2911 { 2912 ISADevice *isadev = ISA_DEVICE(dev); 2913 ISACirrusVGAState *d = ISA_CIRRUS_VGA(dev); 2914 VGACommonState *s = &d->cirrus_vga.vga; 2915 2916 vga_common_init(s, OBJECT(dev), true); 2917 cirrus_init_common(&d->cirrus_vga, OBJECT(dev), CIRRUS_ID_CLGD5430, 0, 2918 isa_address_space(isadev), 2919 isa_address_space_io(isadev)); 2920 s->con = graphic_console_init(dev, 0, s->hw_ops, s); 2921 rom_add_vga(VGABIOS_CIRRUS_FILENAME); 2922 /* XXX ISA-LFB support */ 2923 /* FIXME not qdev yet */ 2924 } 2925 2926 static Property isa_cirrus_vga_properties[] = { 2927 DEFINE_PROP_UINT32("vgamem_mb", struct ISACirrusVGAState, 2928 cirrus_vga.vga.vram_size_mb, 8), 2929 DEFINE_PROP_END_OF_LIST(), 2930 }; 2931 2932 static void isa_cirrus_vga_class_init(ObjectClass *klass, void *data) 2933 { 2934 DeviceClass *dc = DEVICE_CLASS(klass); 2935 2936 dc->vmsd = &vmstate_cirrus_vga; 2937 dc->realize = isa_cirrus_vga_realizefn; 2938 dc->props = isa_cirrus_vga_properties; 2939 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 2940 } 2941 2942 static const TypeInfo isa_cirrus_vga_info = { 2943 .name = TYPE_ISA_CIRRUS_VGA, 2944 .parent = TYPE_ISA_DEVICE, 2945 .instance_size = sizeof(ISACirrusVGAState), 2946 .class_init = isa_cirrus_vga_class_init, 2947 }; 2948 2949 /*************************************** 2950 * 2951 * PCI bus support 2952 * 2953 ***************************************/ 2954 2955 static int pci_cirrus_vga_initfn(PCIDevice *dev) 2956 { 2957 PCICirrusVGAState *d = DO_UPCAST(PCICirrusVGAState, dev, dev); 2958 CirrusVGAState *s = &d->cirrus_vga; 2959 PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev); 2960 int16_t device_id = pc->device_id; 2961 2962 /* setup VGA */ 2963 vga_common_init(&s->vga, OBJECT(dev), true); 2964 cirrus_init_common(s, OBJECT(dev), device_id, 1, pci_address_space(dev), 2965 pci_address_space_io(dev)); 2966 s->vga.con = graphic_console_init(DEVICE(dev), 0, s->vga.hw_ops, &s->vga); 2967 2968 /* setup PCI */ 2969 2970 memory_region_init(&s->pci_bar, OBJECT(dev), "cirrus-pci-bar0", 0x2000000); 2971 2972 /* XXX: add byte swapping apertures */ 2973 memory_region_add_subregion(&s->pci_bar, 0, &s->cirrus_linear_io); 2974 memory_region_add_subregion(&s->pci_bar, 0x1000000, 2975 &s->cirrus_linear_bitblt_io); 2976 2977 /* setup memory space */ 2978 /* memory #0 LFB */ 2979 /* memory #1 memory-mapped I/O */ 2980 /* XXX: s->vga.vram_size must be a power of two */ 2981 pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_MEM_PREFETCH, &s->pci_bar); 2982 if (device_id == CIRRUS_ID_CLGD5446) { 2983 pci_register_bar(&d->dev, 1, 0, &s->cirrus_mmio_io); 2984 } 2985 return 0; 2986 } 2987 2988 static Property pci_vga_cirrus_properties[] = { 2989 DEFINE_PROP_UINT32("vgamem_mb", struct PCICirrusVGAState, 2990 cirrus_vga.vga.vram_size_mb, 8), 2991 DEFINE_PROP_END_OF_LIST(), 2992 }; 2993 2994 static void cirrus_vga_class_init(ObjectClass *klass, void *data) 2995 { 2996 DeviceClass *dc = DEVICE_CLASS(klass); 2997 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 2998 2999 k->init = pci_cirrus_vga_initfn; 3000 k->romfile = VGABIOS_CIRRUS_FILENAME; 3001 k->vendor_id = PCI_VENDOR_ID_CIRRUS; 3002 k->device_id = CIRRUS_ID_CLGD5446; 3003 k->class_id = PCI_CLASS_DISPLAY_VGA; 3004 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 3005 dc->desc = "Cirrus CLGD 54xx VGA"; 3006 dc->vmsd = &vmstate_pci_cirrus_vga; 3007 dc->props = pci_vga_cirrus_properties; 3008 dc->hotpluggable = false; 3009 } 3010 3011 static const TypeInfo cirrus_vga_info = { 3012 .name = "cirrus-vga", 3013 .parent = TYPE_PCI_DEVICE, 3014 .instance_size = sizeof(PCICirrusVGAState), 3015 .class_init = cirrus_vga_class_init, 3016 }; 3017 3018 static void cirrus_vga_register_types(void) 3019 { 3020 type_register_static(&isa_cirrus_vga_info); 3021 type_register_static(&cirrus_vga_info); 3022 } 3023 3024 type_init(cirrus_vga_register_types) 3025