Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1 | /* |
| 2 | * QEMU HP Artist Emulation |
| 3 | * |
Helge Deller | 9ef2c6b | 2022-05-12 13:40:39 +0200 | [diff] [blame] | 4 | * Copyright (c) 2019-2022 Sven Schnelle <svens@stackframe.org> |
| 5 | * Copyright (c) 2022 Helge Deller <deller@gmx.de> |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 6 | * |
| 7 | * This work is licensed under the terms of the GNU GPL, version 2 or later. |
| 8 | */ |
| 9 | |
| 10 | #include "qemu/osdep.h" |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 11 | #include "qemu/error-report.h" |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 12 | #include "qemu/log.h" |
| 13 | #include "qemu/module.h" |
| 14 | #include "qemu/units.h" |
| 15 | #include "qapi/error.h" |
| 16 | #include "hw/sysbus.h" |
| 17 | #include "hw/loader.h" |
| 18 | #include "hw/qdev-core.h" |
| 19 | #include "hw/qdev-properties.h" |
| 20 | #include "migration/vmstate.h" |
| 21 | #include "ui/console.h" |
| 22 | #include "trace.h" |
Philippe Mathieu-Daudé | 63dc346 | 2020-05-04 10:20:02 +0200 | [diff] [blame] | 23 | #include "framebuffer.h" |
Eduardo Habkost | db1015e | 2020-09-03 16:43:22 -0400 | [diff] [blame] | 24 | #include "qom/object.h" |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 25 | |
| 26 | #define TYPE_ARTIST "artist" |
Eduardo Habkost | 8063396 | 2020-09-16 14:25:19 -0400 | [diff] [blame] | 27 | OBJECT_DECLARE_SIMPLE_TYPE(ARTISTState, ARTIST) |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 28 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 29 | struct vram_buffer { |
| 30 | MemoryRegion mr; |
| 31 | uint8_t *data; |
Helge Deller | a501bfc | 2020-08-09 15:35:38 +0200 | [diff] [blame] | 32 | unsigned int size; |
| 33 | unsigned int width; |
| 34 | unsigned int height; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 35 | }; |
| 36 | |
Eduardo Habkost | db1015e | 2020-09-03 16:43:22 -0400 | [diff] [blame] | 37 | struct ARTISTState { |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 38 | SysBusDevice parent_obj; |
| 39 | |
| 40 | QemuConsole *con; |
| 41 | MemoryRegion vram_mem; |
| 42 | MemoryRegion mem_as_root; |
| 43 | MemoryRegion reg; |
| 44 | MemoryRegionSection fbsection; |
| 45 | |
| 46 | void *vram_int_mr; |
| 47 | AddressSpace as; |
| 48 | |
| 49 | struct vram_buffer vram_buffer[16]; |
| 50 | |
| 51 | uint16_t width; |
| 52 | uint16_t height; |
| 53 | uint16_t depth; |
| 54 | |
| 55 | uint32_t fg_color; |
| 56 | uint32_t bg_color; |
| 57 | |
| 58 | uint32_t vram_char_y; |
| 59 | uint32_t vram_bitmask; |
| 60 | |
| 61 | uint32_t vram_start; |
| 62 | uint32_t vram_pos; |
| 63 | |
| 64 | uint32_t vram_size; |
| 65 | |
| 66 | uint32_t blockmove_source; |
| 67 | uint32_t blockmove_dest; |
| 68 | uint32_t blockmove_size; |
| 69 | |
| 70 | uint32_t line_size; |
| 71 | uint32_t line_end; |
| 72 | uint32_t line_xy; |
| 73 | uint32_t line_pattern_start; |
| 74 | uint32_t line_pattern_skip; |
| 75 | |
| 76 | uint32_t cursor_pos; |
Helge Deller | 3615cea | 2022-01-05 23:06:12 +0100 | [diff] [blame] | 77 | uint32_t cursor_cntrl; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 78 | |
| 79 | uint32_t cursor_height; |
| 80 | uint32_t cursor_width; |
| 81 | |
| 82 | uint32_t plane_mask; |
| 83 | |
| 84 | uint32_t reg_100080; |
Helge Deller | e9683fb | 2022-05-11 11:41:19 +0200 | [diff] [blame] | 85 | uint32_t horiz_backporch; |
| 86 | uint32_t active_lines_low; |
| 87 | uint32_t misc_video; |
| 88 | uint32_t misc_ctrl; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 89 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 90 | uint32_t dst_bm_access; |
| 91 | uint32_t src_bm_access; |
| 92 | uint32_t control_plane; |
| 93 | uint32_t transfer_data; |
| 94 | uint32_t image_bitmap_op; |
| 95 | |
| 96 | uint32_t font_write1; |
| 97 | uint32_t font_write2; |
| 98 | uint32_t font_write_pos_y; |
| 99 | |
| 100 | int draw_line_pattern; |
Eduardo Habkost | db1015e | 2020-09-03 16:43:22 -0400 | [diff] [blame] | 101 | }; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 102 | |
Helge Deller | 7e50730 | 2022-05-11 11:34:15 +0200 | [diff] [blame] | 103 | /* hardware allows up to 64x64, but we emulate 32x32 only. */ |
| 104 | #define NGLE_MAX_SPRITE_SIZE 32 |
| 105 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 106 | typedef enum { |
| 107 | ARTIST_BUFFER_AP = 1, |
| 108 | ARTIST_BUFFER_OVERLAY = 2, |
| 109 | ARTIST_BUFFER_CURSOR1 = 6, |
| 110 | ARTIST_BUFFER_CURSOR2 = 7, |
| 111 | ARTIST_BUFFER_ATTRIBUTE = 13, |
| 112 | ARTIST_BUFFER_CMAP = 15, |
| 113 | } artist_buffer_t; |
| 114 | |
| 115 | typedef enum { |
| 116 | VRAM_IDX = 0x1004a0, |
| 117 | VRAM_BITMASK = 0x1005a0, |
| 118 | VRAM_WRITE_INCR_X = 0x100600, |
| 119 | VRAM_WRITE_INCR_X2 = 0x100604, |
| 120 | VRAM_WRITE_INCR_Y = 0x100620, |
| 121 | VRAM_START = 0x100800, |
| 122 | BLOCK_MOVE_SIZE = 0x100804, |
| 123 | BLOCK_MOVE_SOURCE = 0x100808, |
| 124 | TRANSFER_DATA = 0x100820, |
| 125 | FONT_WRITE_INCR_Y = 0x1008a0, |
| 126 | VRAM_START_TRIGGER = 0x100a00, |
| 127 | VRAM_SIZE_TRIGGER = 0x100a04, |
| 128 | FONT_WRITE_START = 0x100aa0, |
| 129 | BLOCK_MOVE_DEST_TRIGGER = 0x100b00, |
| 130 | BLOCK_MOVE_SIZE_TRIGGER = 0x100b04, |
| 131 | LINE_XY = 0x100ccc, |
| 132 | PATTERN_LINE_START = 0x100ecc, |
| 133 | LINE_SIZE = 0x100e04, |
| 134 | LINE_END = 0x100e44, |
Sven Schnelle | 3b21d99 | 2022-01-21 23:16:19 +0100 | [diff] [blame] | 135 | DST_SRC_BM_ACCESS = 0x118000, |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 136 | DST_BM_ACCESS = 0x118004, |
| 137 | SRC_BM_ACCESS = 0x118008, |
| 138 | CONTROL_PLANE = 0x11800c, |
| 139 | FG_COLOR = 0x118010, |
| 140 | BG_COLOR = 0x118014, |
| 141 | PLANE_MASK = 0x118018, |
| 142 | IMAGE_BITMAP_OP = 0x11801c, |
Helge Deller | e9683fb | 2022-05-11 11:41:19 +0200 | [diff] [blame] | 143 | CURSOR_POS = 0x300100, /* reg17 */ |
| 144 | CURSOR_CTRL = 0x300104, /* reg18 */ |
| 145 | MISC_VIDEO = 0x300218, /* reg21 */ |
| 146 | MISC_CTRL = 0x300308, /* reg27 */ |
| 147 | HORIZ_BACKPORCH = 0x300200, /* reg19 */ |
| 148 | ACTIVE_LINES_LOW = 0x300208,/* reg20 */ |
| 149 | FIFO1 = 0x300008, /* reg34 */ |
| 150 | FIFO2 = 0x380008, |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 151 | } artist_reg_t; |
| 152 | |
| 153 | typedef enum { |
| 154 | ARTIST_ROP_CLEAR = 0, |
| 155 | ARTIST_ROP_COPY = 3, |
| 156 | ARTIST_ROP_XOR = 6, |
| 157 | ARTIST_ROP_NOT_DST = 10, |
| 158 | ARTIST_ROP_SET = 15, |
| 159 | } artist_rop_t; |
| 160 | |
| 161 | #define REG_NAME(_x) case _x: return " "#_x; |
| 162 | static const char *artist_reg_name(uint64_t addr) |
| 163 | { |
| 164 | switch ((artist_reg_t)addr) { |
| 165 | REG_NAME(VRAM_IDX); |
| 166 | REG_NAME(VRAM_BITMASK); |
| 167 | REG_NAME(VRAM_WRITE_INCR_X); |
| 168 | REG_NAME(VRAM_WRITE_INCR_X2); |
| 169 | REG_NAME(VRAM_WRITE_INCR_Y); |
| 170 | REG_NAME(VRAM_START); |
| 171 | REG_NAME(BLOCK_MOVE_SIZE); |
| 172 | REG_NAME(BLOCK_MOVE_SOURCE); |
| 173 | REG_NAME(FG_COLOR); |
| 174 | REG_NAME(BG_COLOR); |
| 175 | REG_NAME(PLANE_MASK); |
| 176 | REG_NAME(VRAM_START_TRIGGER); |
| 177 | REG_NAME(VRAM_SIZE_TRIGGER); |
| 178 | REG_NAME(BLOCK_MOVE_DEST_TRIGGER); |
| 179 | REG_NAME(BLOCK_MOVE_SIZE_TRIGGER); |
| 180 | REG_NAME(TRANSFER_DATA); |
| 181 | REG_NAME(CONTROL_PLANE); |
| 182 | REG_NAME(IMAGE_BITMAP_OP); |
Sven Schnelle | 3b21d99 | 2022-01-21 23:16:19 +0100 | [diff] [blame] | 183 | REG_NAME(DST_SRC_BM_ACCESS); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 184 | REG_NAME(DST_BM_ACCESS); |
| 185 | REG_NAME(SRC_BM_ACCESS); |
| 186 | REG_NAME(CURSOR_POS); |
| 187 | REG_NAME(CURSOR_CTRL); |
Helge Deller | e9683fb | 2022-05-11 11:41:19 +0200 | [diff] [blame] | 188 | REG_NAME(HORIZ_BACKPORCH); |
| 189 | REG_NAME(ACTIVE_LINES_LOW); |
| 190 | REG_NAME(MISC_VIDEO); |
| 191 | REG_NAME(MISC_CTRL); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 192 | REG_NAME(LINE_XY); |
| 193 | REG_NAME(PATTERN_LINE_START); |
| 194 | REG_NAME(LINE_SIZE); |
| 195 | REG_NAME(LINE_END); |
| 196 | REG_NAME(FONT_WRITE_INCR_Y); |
| 197 | REG_NAME(FONT_WRITE_START); |
Helge Deller | e9683fb | 2022-05-11 11:41:19 +0200 | [diff] [blame] | 198 | REG_NAME(FIFO1); |
| 199 | REG_NAME(FIFO2); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 200 | } |
| 201 | return ""; |
| 202 | } |
| 203 | #undef REG_NAME |
| 204 | |
Helge Deller | caca6e6 | 2022-05-11 12:59:47 +0200 | [diff] [blame] | 205 | static void artist_invalidate(void *opaque); |
| 206 | |
Helge Deller | c7050f3 | 2020-09-03 07:23:47 +0200 | [diff] [blame] | 207 | /* artist has a fixed line length of 2048 bytes. */ |
Helge Deller | 32a2b03 | 2020-09-03 07:44:58 +0200 | [diff] [blame] | 208 | #define ADDR_TO_Y(addr) extract32(addr, 11, 11) |
Helge Deller | c7050f3 | 2020-09-03 07:23:47 +0200 | [diff] [blame] | 209 | #define ADDR_TO_X(addr) extract32(addr, 0, 11) |
| 210 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 211 | static int16_t artist_get_x(uint32_t reg) |
| 212 | { |
| 213 | return reg >> 16; |
| 214 | } |
| 215 | |
| 216 | static int16_t artist_get_y(uint32_t reg) |
| 217 | { |
| 218 | return reg & 0xffff; |
| 219 | } |
| 220 | |
| 221 | static void artist_invalidate_lines(struct vram_buffer *buf, |
| 222 | int starty, int height) |
| 223 | { |
| 224 | int start = starty * buf->width; |
Sven Schnelle | 2f8cd51 | 2020-08-08 20:51:57 +0200 | [diff] [blame] | 225 | int size; |
| 226 | |
Mark Cave-Ayland | 5d61789 | 2022-05-04 16:37:06 +0100 | [diff] [blame] | 227 | if (starty + height > buf->height) { |
Sven Schnelle | 2f8cd51 | 2020-08-08 20:51:57 +0200 | [diff] [blame] | 228 | height = buf->height - starty; |
Mark Cave-Ayland | 5d61789 | 2022-05-04 16:37:06 +0100 | [diff] [blame] | 229 | } |
Sven Schnelle | 2f8cd51 | 2020-08-08 20:51:57 +0200 | [diff] [blame] | 230 | |
| 231 | size = height * buf->width; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 232 | |
| 233 | if (start + size <= buf->size) { |
| 234 | memory_region_set_dirty(&buf->mr, start, size); |
| 235 | } |
| 236 | } |
| 237 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 238 | static int vram_write_bufidx(ARTISTState *s) |
| 239 | { |
Sven Schnelle | 3b21d99 | 2022-01-21 23:16:19 +0100 | [diff] [blame] | 240 | return (s->dst_bm_access >> 12) & 0x0f; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 241 | } |
| 242 | |
| 243 | static int vram_read_bufidx(ARTISTState *s) |
| 244 | { |
Sven Schnelle | 3b21d99 | 2022-01-21 23:16:19 +0100 | [diff] [blame] | 245 | return (s->src_bm_access >> 12) & 0x0f; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 246 | } |
| 247 | |
| 248 | static struct vram_buffer *vram_read_buffer(ARTISTState *s) |
| 249 | { |
| 250 | return &s->vram_buffer[vram_read_bufidx(s)]; |
| 251 | } |
| 252 | |
| 253 | static struct vram_buffer *vram_write_buffer(ARTISTState *s) |
| 254 | { |
| 255 | return &s->vram_buffer[vram_write_bufidx(s)]; |
| 256 | } |
| 257 | |
| 258 | static uint8_t artist_get_color(ARTISTState *s) |
| 259 | { |
| 260 | if (s->image_bitmap_op & 2) { |
| 261 | return s->fg_color; |
| 262 | } else { |
| 263 | return s->bg_color; |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | static artist_rop_t artist_get_op(ARTISTState *s) |
| 268 | { |
| 269 | return (s->image_bitmap_op >> 8) & 0xf; |
| 270 | } |
| 271 | |
Philippe Mathieu-Daudé | 84a7b77 | 2020-05-23 21:15:16 +0200 | [diff] [blame] | 272 | static void artist_rop8(ARTISTState *s, struct vram_buffer *buf, |
Helge Deller | a501bfc | 2020-08-09 15:35:38 +0200 | [diff] [blame] | 273 | unsigned int offset, uint8_t val) |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 274 | { |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 275 | const artist_rop_t op = artist_get_op(s); |
Philippe Mathieu-Daudé | 84a7b77 | 2020-05-23 21:15:16 +0200 | [diff] [blame] | 276 | uint8_t plane_mask; |
| 277 | uint8_t *dst; |
| 278 | |
Helge Deller | a501bfc | 2020-08-09 15:35:38 +0200 | [diff] [blame] | 279 | if (offset >= buf->size) { |
Philippe Mathieu-Daudé | 84a7b77 | 2020-05-23 21:15:16 +0200 | [diff] [blame] | 280 | qemu_log_mask(LOG_GUEST_ERROR, |
Helge Deller | a501bfc | 2020-08-09 15:35:38 +0200 | [diff] [blame] | 281 | "rop8 offset:%u bufsize:%u\n", offset, buf->size); |
Philippe Mathieu-Daudé | 84a7b77 | 2020-05-23 21:15:16 +0200 | [diff] [blame] | 282 | return; |
| 283 | } |
| 284 | dst = buf->data + offset; |
| 285 | plane_mask = s->plane_mask & 0xff; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 286 | |
| 287 | switch (op) { |
| 288 | case ARTIST_ROP_CLEAR: |
| 289 | *dst &= ~plane_mask; |
| 290 | break; |
| 291 | |
| 292 | case ARTIST_ROP_COPY: |
Helge Deller | a501bfc | 2020-08-09 15:35:38 +0200 | [diff] [blame] | 293 | *dst = (*dst & ~plane_mask) | (val & plane_mask); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 294 | break; |
| 295 | |
| 296 | case ARTIST_ROP_XOR: |
| 297 | *dst ^= val & plane_mask; |
| 298 | break; |
| 299 | |
| 300 | case ARTIST_ROP_NOT_DST: |
| 301 | *dst ^= plane_mask; |
| 302 | break; |
| 303 | |
| 304 | case ARTIST_ROP_SET: |
| 305 | *dst |= plane_mask; |
| 306 | break; |
| 307 | |
| 308 | default: |
| 309 | qemu_log_mask(LOG_UNIMP, "%s: unsupported rop %d\n", __func__, op); |
| 310 | break; |
| 311 | } |
| 312 | } |
| 313 | |
| 314 | static void artist_get_cursor_pos(ARTISTState *s, int *x, int *y) |
| 315 | { |
| 316 | /* |
Helge Deller | 3615cea | 2022-01-05 23:06:12 +0100 | [diff] [blame] | 317 | * The emulated Artist graphic is like a CRX graphic, and as such |
| 318 | * it's usually fixed at 1280x1024 pixels. |
Helge Deller | 9ef2c6b | 2022-05-12 13:40:39 +0200 | [diff] [blame] | 319 | * Other resolutions may work, but no guarantee. |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 320 | */ |
| 321 | |
Helge Deller | 9ef2c6b | 2022-05-12 13:40:39 +0200 | [diff] [blame] | 322 | unsigned int hbp_times_vi, horizBackPorch; |
| 323 | int16_t xHi, xLo; |
| 324 | const int videoInterleave = 4; |
| 325 | const int pipelineDelay = 4; |
Helge Deller | 3615cea | 2022-01-05 23:06:12 +0100 | [diff] [blame] | 326 | |
| 327 | /* ignore if uninitialized */ |
| 328 | if (s->cursor_pos == 0) { |
| 329 | *x = *y = 0; |
| 330 | return; |
| 331 | } |
| 332 | |
Helge Deller | 9ef2c6b | 2022-05-12 13:40:39 +0200 | [diff] [blame] | 333 | /* |
| 334 | * Calculate X position based on backporch and interleave values. |
| 335 | * Based on code from Xorg X11R6.6 |
| 336 | */ |
| 337 | horizBackPorch = ((s->horiz_backporch & 0xff0000) >> 16) + |
| 338 | ((s->horiz_backporch & 0xff00) >> 8) + 2; |
| 339 | hbp_times_vi = horizBackPorch * videoInterleave; |
| 340 | xHi = s->cursor_pos >> 19; |
| 341 | *x = ((xHi + pipelineDelay) * videoInterleave) - hbp_times_vi; |
| 342 | |
| 343 | xLo = (s->cursor_pos >> 16) & 0x07; |
| 344 | *x += ((xLo - hbp_times_vi) & (videoInterleave - 1)) + 8 - 1; |
Helge Deller | 3615cea | 2022-01-05 23:06:12 +0100 | [diff] [blame] | 345 | |
Helge Deller | 3615cea | 2022-01-05 23:06:12 +0100 | [diff] [blame] | 346 | /* subtract cursor offset from cursor control register */ |
| 347 | *x -= (s->cursor_cntrl & 0xf0) >> 4; |
Helge Deller | 482afe0 | 2022-05-11 11:49:02 +0200 | [diff] [blame] | 348 | |
Helge Deller | 9ef2c6b | 2022-05-12 13:40:39 +0200 | [diff] [blame] | 349 | /* Calculate Y position */ |
Helge Deller | 482afe0 | 2022-05-11 11:49:02 +0200 | [diff] [blame] | 350 | *y = s->height - artist_get_y(s->cursor_pos); |
Helge Deller | 3615cea | 2022-01-05 23:06:12 +0100 | [diff] [blame] | 351 | *y -= (s->cursor_cntrl & 0x0f); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 352 | |
| 353 | if (*x > s->width) { |
Helge Deller | 3615cea | 2022-01-05 23:06:12 +0100 | [diff] [blame] | 354 | *x = s->width; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 355 | } |
| 356 | |
| 357 | if (*y > s->height) { |
Helge Deller | 3615cea | 2022-01-05 23:06:12 +0100 | [diff] [blame] | 358 | *y = s->height; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 359 | } |
| 360 | } |
| 361 | |
Helge Deller | a377b57 | 2022-05-11 12:28:30 +0200 | [diff] [blame] | 362 | static inline bool cursor_visible(ARTISTState *s) |
| 363 | { |
| 364 | /* cursor is visible if bit 0x80 is set in cursor_cntrl */ |
| 365 | return s->cursor_cntrl & 0x80; |
| 366 | } |
| 367 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 368 | static void artist_invalidate_cursor(ARTISTState *s) |
| 369 | { |
| 370 | int x, y; |
Mark Cave-Ayland | 5d61789 | 2022-05-04 16:37:06 +0100 | [diff] [blame] | 371 | |
Helge Deller | a377b57 | 2022-05-11 12:28:30 +0200 | [diff] [blame] | 372 | if (!cursor_visible(s)) { |
| 373 | return; |
| 374 | } |
| 375 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 376 | artist_get_cursor_pos(s, &x, &y); |
| 377 | artist_invalidate_lines(&s->vram_buffer[ARTIST_BUFFER_AP], |
| 378 | y, s->cursor_height); |
| 379 | } |
| 380 | |
Helge Deller | a501bfc | 2020-08-09 15:35:38 +0200 | [diff] [blame] | 381 | static void block_move(ARTISTState *s, |
| 382 | unsigned int source_x, unsigned int source_y, |
| 383 | unsigned int dest_x, unsigned int dest_y, |
| 384 | unsigned int width, unsigned int height) |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 385 | { |
| 386 | struct vram_buffer *buf; |
| 387 | int line, endline, lineincr, startcolumn, endcolumn, columnincr, column; |
Helge Deller | a501bfc | 2020-08-09 15:35:38 +0200 | [diff] [blame] | 388 | unsigned int dst, src; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 389 | |
| 390 | trace_artist_block_move(source_x, source_y, dest_x, dest_y, width, height); |
| 391 | |
| 392 | if (s->control_plane != 0) { |
| 393 | /* We don't support CONTROL_PLANE accesses */ |
| 394 | qemu_log_mask(LOG_UNIMP, "%s: CONTROL_PLANE: %08x\n", __func__, |
| 395 | s->control_plane); |
| 396 | return; |
| 397 | } |
| 398 | |
| 399 | buf = &s->vram_buffer[ARTIST_BUFFER_AP]; |
Helge Deller | a501bfc | 2020-08-09 15:35:38 +0200 | [diff] [blame] | 400 | if (height > buf->height) { |
| 401 | height = buf->height; |
| 402 | } |
| 403 | if (width > buf->width) { |
| 404 | width = buf->width; |
| 405 | } |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 406 | |
| 407 | if (dest_y > source_y) { |
| 408 | /* move down */ |
| 409 | line = height - 1; |
| 410 | endline = -1; |
| 411 | lineincr = -1; |
| 412 | } else { |
| 413 | /* move up */ |
| 414 | line = 0; |
| 415 | endline = height; |
| 416 | lineincr = 1; |
| 417 | } |
| 418 | |
| 419 | if (dest_x > source_x) { |
| 420 | /* move right */ |
| 421 | startcolumn = width - 1; |
| 422 | endcolumn = -1; |
| 423 | columnincr = -1; |
| 424 | } else { |
| 425 | /* move left */ |
| 426 | startcolumn = 0; |
| 427 | endcolumn = width; |
| 428 | columnincr = 1; |
| 429 | } |
| 430 | |
| 431 | for ( ; line != endline; line += lineincr) { |
Helge Deller | a501bfc | 2020-08-09 15:35:38 +0200 | [diff] [blame] | 432 | src = source_x + ((line + source_y) * buf->width) + startcolumn; |
| 433 | dst = dest_x + ((line + dest_y) * buf->width) + startcolumn; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 434 | |
| 435 | for (column = startcolumn; column != endcolumn; column += columnincr) { |
Helge Deller | a501bfc | 2020-08-09 15:35:38 +0200 | [diff] [blame] | 436 | if (dst >= buf->size || src >= buf->size) { |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 437 | continue; |
| 438 | } |
Helge Deller | a501bfc | 2020-08-09 15:35:38 +0200 | [diff] [blame] | 439 | artist_rop8(s, buf, dst, buf->data[src]); |
| 440 | src += columnincr; |
| 441 | dst += columnincr; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 442 | } |
| 443 | } |
| 444 | |
| 445 | artist_invalidate_lines(buf, dest_y, height); |
| 446 | } |
| 447 | |
Helge Deller | a501bfc | 2020-08-09 15:35:38 +0200 | [diff] [blame] | 448 | static void fill_window(ARTISTState *s, |
| 449 | unsigned int startx, unsigned int starty, |
| 450 | unsigned int width, unsigned int height) |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 451 | { |
Helge Deller | a501bfc | 2020-08-09 15:35:38 +0200 | [diff] [blame] | 452 | unsigned int offset; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 453 | uint8_t color = artist_get_color(s); |
| 454 | struct vram_buffer *buf; |
| 455 | int x, y; |
| 456 | |
| 457 | trace_artist_fill_window(startx, starty, width, height, |
| 458 | s->image_bitmap_op, s->control_plane); |
| 459 | |
| 460 | if (s->control_plane != 0) { |
| 461 | /* We don't support CONTROL_PLANE accesses */ |
| 462 | qemu_log_mask(LOG_UNIMP, "%s: CONTROL_PLANE: %08x\n", __func__, |
| 463 | s->control_plane); |
| 464 | return; |
| 465 | } |
| 466 | |
| 467 | if (s->reg_100080 == 0x7d) { |
| 468 | /* |
| 469 | * Not sure what this register really does, but |
| 470 | * 0x7d seems to enable autoincremt of the Y axis |
| 471 | * by the current block move height. |
| 472 | */ |
| 473 | height = artist_get_y(s->blockmove_size); |
| 474 | s->vram_start += height; |
| 475 | } |
| 476 | |
| 477 | buf = &s->vram_buffer[ARTIST_BUFFER_AP]; |
| 478 | |
| 479 | for (y = starty; y < starty + height; y++) { |
| 480 | offset = y * s->width; |
| 481 | |
| 482 | for (x = startx; x < startx + width; x++) { |
Philippe Mathieu-Daudé | 84a7b77 | 2020-05-23 21:15:16 +0200 | [diff] [blame] | 483 | artist_rop8(s, buf, offset + x, color); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 484 | } |
| 485 | } |
| 486 | artist_invalidate_lines(buf, starty, height); |
| 487 | } |
| 488 | |
Helge Deller | a501bfc | 2020-08-09 15:35:38 +0200 | [diff] [blame] | 489 | static void draw_line(ARTISTState *s, |
| 490 | unsigned int x1, unsigned int y1, |
| 491 | unsigned int x2, unsigned int y2, |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 492 | bool update_start, int skip_pix, int max_pix) |
| 493 | { |
Philippe Mathieu-Daudé | b87a735 | 2020-05-23 21:15:15 +0200 | [diff] [blame] | 494 | struct vram_buffer *buf = &s->vram_buffer[ARTIST_BUFFER_AP]; |
Philippe Mathieu-Daudé | 0814343 | 2020-02-14 01:13:00 +0100 | [diff] [blame] | 495 | uint8_t color; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 496 | int dx, dy, t, e, x, y, incy, diago, horiz; |
| 497 | bool c1; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 498 | |
Philippe Mathieu-Daudé | 5646bca | 2020-02-14 01:12:58 +0100 | [diff] [blame] | 499 | trace_artist_draw_line(x1, y1, x2, y2); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 500 | |
Helge Deller | a501bfc | 2020-08-09 15:35:38 +0200 | [diff] [blame] | 501 | if ((x1 >= buf->width && x2 >= buf->width) || |
| 502 | (y1 >= buf->height && y2 >= buf->height)) { |
Mark Cave-Ayland | 5d61789 | 2022-05-04 16:37:06 +0100 | [diff] [blame] | 503 | return; |
Philippe Mathieu-Daudé | b87a735 | 2020-05-23 21:15:15 +0200 | [diff] [blame] | 504 | } |
| 505 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 506 | if (update_start) { |
| 507 | s->vram_start = (x2 << 16) | y2; |
| 508 | } |
| 509 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 510 | if (x2 > x1) { |
| 511 | dx = x2 - x1; |
| 512 | } else { |
| 513 | dx = x1 - x2; |
| 514 | } |
| 515 | if (y2 > y1) { |
| 516 | dy = y2 - y1; |
| 517 | } else { |
| 518 | dy = y1 - y2; |
| 519 | } |
Philippe Mathieu-Daudé | 0814343 | 2020-02-14 01:13:00 +0100 | [diff] [blame] | 520 | |
| 521 | c1 = false; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 522 | if (dy > dx) { |
| 523 | t = y2; |
| 524 | y2 = x2; |
| 525 | x2 = t; |
| 526 | |
| 527 | t = y1; |
| 528 | y1 = x1; |
| 529 | x1 = t; |
| 530 | |
| 531 | t = dx; |
| 532 | dx = dy; |
| 533 | dy = t; |
| 534 | |
| 535 | c1 = true; |
| 536 | } |
| 537 | |
| 538 | if (x1 > x2) { |
| 539 | t = y2; |
| 540 | y2 = y1; |
| 541 | y1 = t; |
| 542 | |
| 543 | t = x1; |
| 544 | x1 = x2; |
| 545 | x2 = t; |
| 546 | } |
| 547 | |
| 548 | horiz = dy << 1; |
| 549 | diago = (dy - dx) << 1; |
| 550 | e = (dy << 1) - dx; |
| 551 | |
| 552 | if (y1 <= y2) { |
| 553 | incy = 1; |
| 554 | } else { |
| 555 | incy = -1; |
| 556 | } |
| 557 | x = x1; |
| 558 | y = y1; |
Philippe Mathieu-Daudé | 0814343 | 2020-02-14 01:13:00 +0100 | [diff] [blame] | 559 | color = artist_get_color(s); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 560 | |
| 561 | do { |
Helge Deller | a501bfc | 2020-08-09 15:35:38 +0200 | [diff] [blame] | 562 | unsigned int ofs; |
Philippe Mathieu-Daudé | 84a7b77 | 2020-05-23 21:15:16 +0200 | [diff] [blame] | 563 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 564 | if (c1) { |
Philippe Mathieu-Daudé | 84a7b77 | 2020-05-23 21:15:16 +0200 | [diff] [blame] | 565 | ofs = x * s->width + y; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 566 | } else { |
Philippe Mathieu-Daudé | 84a7b77 | 2020-05-23 21:15:16 +0200 | [diff] [blame] | 567 | ofs = y * s->width + x; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 568 | } |
| 569 | |
| 570 | if (skip_pix > 0) { |
| 571 | skip_pix--; |
| 572 | } else { |
Philippe Mathieu-Daudé | 84a7b77 | 2020-05-23 21:15:16 +0200 | [diff] [blame] | 573 | artist_rop8(s, buf, ofs, color); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 574 | } |
| 575 | |
| 576 | if (e > 0) { |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 577 | y += incy; |
| 578 | e += diago; |
| 579 | } else { |
| 580 | e += horiz; |
| 581 | } |
| 582 | x++; |
| 583 | } while (x <= x2 && (max_pix == -1 || --max_pix > 0)); |
Sven Schnelle | d449eee | 2022-01-23 16:47:47 +0100 | [diff] [blame] | 584 | |
Mark Cave-Ayland | 5d61789 | 2022-05-04 16:37:06 +0100 | [diff] [blame] | 585 | if (c1) { |
Sven Schnelle | d449eee | 2022-01-23 16:47:47 +0100 | [diff] [blame] | 586 | artist_invalidate_lines(buf, x1, x2 - x1); |
Mark Cave-Ayland | 5d61789 | 2022-05-04 16:37:06 +0100 | [diff] [blame] | 587 | } else { |
Sven Schnelle | d449eee | 2022-01-23 16:47:47 +0100 | [diff] [blame] | 588 | artist_invalidate_lines(buf, y1 > y2 ? y2 : y1, x2 - x1); |
Mark Cave-Ayland | 5d61789 | 2022-05-04 16:37:06 +0100 | [diff] [blame] | 589 | } |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 590 | } |
| 591 | |
| 592 | static void draw_line_pattern_start(ARTISTState *s) |
| 593 | { |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 594 | int startx = artist_get_x(s->vram_start); |
| 595 | int starty = artist_get_y(s->vram_start); |
| 596 | int endx = artist_get_x(s->blockmove_size); |
| 597 | int endy = artist_get_y(s->blockmove_size); |
| 598 | int pstart = s->line_pattern_start >> 16; |
| 599 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 600 | draw_line(s, startx, starty, endx, endy, false, -1, pstart); |
| 601 | s->line_pattern_skip = pstart; |
| 602 | } |
| 603 | |
| 604 | static void draw_line_pattern_next(ARTISTState *s) |
| 605 | { |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 606 | int startx = artist_get_x(s->vram_start); |
| 607 | int starty = artist_get_y(s->vram_start); |
| 608 | int endx = artist_get_x(s->blockmove_size); |
| 609 | int endy = artist_get_y(s->blockmove_size); |
| 610 | int line_xy = s->line_xy >> 16; |
| 611 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 612 | draw_line(s, startx, starty, endx, endy, false, s->line_pattern_skip, |
| 613 | s->line_pattern_skip + line_xy); |
| 614 | s->line_pattern_skip += line_xy; |
| 615 | s->image_bitmap_op ^= 2; |
| 616 | } |
| 617 | |
| 618 | static void draw_line_size(ARTISTState *s, bool update_start) |
| 619 | { |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 620 | int startx = artist_get_x(s->vram_start); |
| 621 | int starty = artist_get_y(s->vram_start); |
| 622 | int endx = artist_get_x(s->line_size); |
| 623 | int endy = artist_get_y(s->line_size); |
| 624 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 625 | draw_line(s, startx, starty, endx, endy, update_start, -1, -1); |
| 626 | } |
| 627 | |
| 628 | static void draw_line_xy(ARTISTState *s, bool update_start) |
| 629 | { |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 630 | int startx = artist_get_x(s->vram_start); |
| 631 | int starty = artist_get_y(s->vram_start); |
| 632 | int sizex = artist_get_x(s->blockmove_size); |
| 633 | int sizey = artist_get_y(s->blockmove_size); |
| 634 | int linexy = s->line_xy >> 16; |
| 635 | int endx, endy; |
| 636 | |
| 637 | endx = startx; |
| 638 | endy = starty; |
| 639 | |
| 640 | if (sizex > 0) { |
| 641 | endx = startx + linexy; |
| 642 | } |
| 643 | |
| 644 | if (sizex < 0) { |
| 645 | endx = startx; |
| 646 | startx -= linexy; |
| 647 | } |
| 648 | |
| 649 | if (sizey > 0) { |
| 650 | endy = starty + linexy; |
| 651 | } |
| 652 | |
| 653 | if (sizey < 0) { |
| 654 | endy = starty; |
| 655 | starty -= linexy; |
| 656 | } |
| 657 | |
| 658 | if (startx < 0) { |
| 659 | startx = 0; |
| 660 | } |
| 661 | |
| 662 | if (endx < 0) { |
| 663 | endx = 0; |
| 664 | } |
| 665 | |
| 666 | if (starty < 0) { |
| 667 | starty = 0; |
| 668 | } |
| 669 | |
| 670 | if (endy < 0) { |
| 671 | endy = 0; |
| 672 | } |
| 673 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 674 | draw_line(s, startx, starty, endx, endy, false, -1, -1); |
| 675 | } |
| 676 | |
| 677 | static void draw_line_end(ARTISTState *s, bool update_start) |
| 678 | { |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 679 | int startx = artist_get_x(s->vram_start); |
| 680 | int starty = artist_get_y(s->vram_start); |
| 681 | int endx = artist_get_x(s->line_end); |
| 682 | int endy = artist_get_y(s->line_end); |
| 683 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 684 | draw_line(s, startx, starty, endx, endy, update_start, -1, -1); |
| 685 | } |
| 686 | |
| 687 | static void font_write16(ARTISTState *s, uint16_t val) |
| 688 | { |
| 689 | struct vram_buffer *buf; |
| 690 | uint32_t color = (s->image_bitmap_op & 2) ? s->fg_color : s->bg_color; |
| 691 | uint16_t mask; |
| 692 | int i; |
| 693 | |
Helge Deller | a501bfc | 2020-08-09 15:35:38 +0200 | [diff] [blame] | 694 | unsigned int startx = artist_get_x(s->vram_start); |
| 695 | unsigned int starty = artist_get_y(s->vram_start) + s->font_write_pos_y; |
| 696 | unsigned int offset = starty * s->width + startx; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 697 | |
| 698 | buf = &s->vram_buffer[ARTIST_BUFFER_AP]; |
| 699 | |
Helge Deller | a501bfc | 2020-08-09 15:35:38 +0200 | [diff] [blame] | 700 | if (startx >= buf->width || starty >= buf->height || |
| 701 | offset + 16 >= buf->size) { |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 702 | return; |
| 703 | } |
| 704 | |
| 705 | for (i = 0; i < 16; i++) { |
| 706 | mask = 1 << (15 - i); |
| 707 | if (val & mask) { |
Philippe Mathieu-Daudé | 84a7b77 | 2020-05-23 21:15:16 +0200 | [diff] [blame] | 708 | artist_rop8(s, buf, offset + i, color); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 709 | } else { |
| 710 | if (!(s->image_bitmap_op & 0x20000000)) { |
Philippe Mathieu-Daudé | 84a7b77 | 2020-05-23 21:15:16 +0200 | [diff] [blame] | 711 | artist_rop8(s, buf, offset + i, s->bg_color); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 712 | } |
| 713 | } |
| 714 | } |
| 715 | artist_invalidate_lines(buf, starty, 1); |
| 716 | } |
| 717 | |
| 718 | static void font_write(ARTISTState *s, uint32_t val) |
| 719 | { |
| 720 | font_write16(s, val >> 16); |
| 721 | if (++s->font_write_pos_y == artist_get_y(s->blockmove_size)) { |
| 722 | s->vram_start += (s->blockmove_size & 0xffff0000); |
| 723 | return; |
| 724 | } |
| 725 | |
| 726 | font_write16(s, val & 0xffff); |
| 727 | if (++s->font_write_pos_y == artist_get_y(s->blockmove_size)) { |
| 728 | s->vram_start += (s->blockmove_size & 0xffff0000); |
| 729 | return; |
| 730 | } |
| 731 | } |
| 732 | |
| 733 | static void combine_write_reg(hwaddr addr, uint64_t val, int size, void *out) |
| 734 | { |
| 735 | /* |
| 736 | * FIXME: is there a qemu helper for this? |
| 737 | */ |
| 738 | |
Marc-André Lureau | e03b568 | 2022-03-23 19:57:17 +0400 | [diff] [blame] | 739 | #if !HOST_BIG_ENDIAN |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 740 | addr ^= 3; |
| 741 | #endif |
| 742 | |
| 743 | switch (size) { |
| 744 | case 1: |
| 745 | *(uint8_t *)(out + (addr & 3)) = val; |
| 746 | break; |
| 747 | |
| 748 | case 2: |
| 749 | *(uint16_t *)(out + (addr & 2)) = val; |
| 750 | break; |
| 751 | |
| 752 | case 4: |
| 753 | *(uint32_t *)out = val; |
| 754 | break; |
| 755 | |
| 756 | default: |
| 757 | qemu_log_mask(LOG_UNIMP, "unsupported write size: %d\n", size); |
| 758 | } |
| 759 | } |
| 760 | |
Sven Schnelle | 3b21d99 | 2022-01-21 23:16:19 +0100 | [diff] [blame] | 761 | static void artist_vram_write4(ARTISTState *s, struct vram_buffer *buf, |
| 762 | uint32_t offset, uint32_t data) |
| 763 | { |
| 764 | int i; |
| 765 | int mask = s->vram_bitmask >> 28; |
| 766 | |
| 767 | for (i = 0; i < 4; i++) { |
| 768 | if (!(s->image_bitmap_op & 0x20000000) || (mask & 8)) { |
| 769 | artist_rop8(s, buf, offset + i, data >> 24); |
| 770 | data <<= 8; |
| 771 | mask <<= 1; |
| 772 | } |
| 773 | } |
| 774 | memory_region_set_dirty(&buf->mr, offset, 3); |
| 775 | } |
| 776 | |
| 777 | static void artist_vram_write32(ARTISTState *s, struct vram_buffer *buf, |
| 778 | uint32_t offset, int size, uint32_t data, |
| 779 | int fg, int bg) |
| 780 | { |
| 781 | uint32_t mask, vram_bitmask = s->vram_bitmask >> ((4 - size) * 8); |
| 782 | int i, pix_count = size * 8; |
| 783 | |
| 784 | for (i = 0; i < pix_count && offset + i < buf->size; i++) { |
| 785 | mask = 1 << (pix_count - 1 - i); |
| 786 | |
| 787 | if (!(s->image_bitmap_op & 0x20000000) || (vram_bitmask & mask)) { |
| 788 | if (data & mask) { |
| 789 | artist_rop8(s, buf, offset + i, fg); |
| 790 | } else { |
| 791 | if (!(s->image_bitmap_op & 0x10000002)) { |
| 792 | artist_rop8(s, buf, offset + i, bg); |
| 793 | } |
| 794 | } |
| 795 | } |
| 796 | } |
| 797 | memory_region_set_dirty(&buf->mr, offset, pix_count); |
| 798 | } |
| 799 | |
| 800 | static int get_vram_offset(ARTISTState *s, struct vram_buffer *buf, |
| 801 | int pos, int posy) |
| 802 | { |
| 803 | unsigned int posx, width; |
| 804 | |
| 805 | width = buf->width; |
| 806 | posx = ADDR_TO_X(pos); |
| 807 | posy += ADDR_TO_Y(pos); |
| 808 | return posy * width + posx; |
| 809 | } |
| 810 | |
| 811 | static int vram_bit_write(ARTISTState *s, uint32_t pos, int posy, |
| 812 | uint32_t data, int size) |
| 813 | { |
| 814 | struct vram_buffer *buf = vram_write_buffer(s); |
| 815 | |
| 816 | switch (s->dst_bm_access >> 16) { |
| 817 | case 0x3ba0: |
| 818 | case 0xbbe0: |
| 819 | artist_vram_write4(s, buf, pos, bswap32(data)); |
| 820 | pos += 4; |
| 821 | break; |
| 822 | |
| 823 | case 0x1360: /* linux */ |
| 824 | artist_vram_write4(s, buf, get_vram_offset(s, buf, pos, posy), data); |
| 825 | pos += 4; |
| 826 | break; |
| 827 | |
| 828 | case 0x13a0: |
| 829 | artist_vram_write4(s, buf, get_vram_offset(s, buf, pos >> 2, posy), |
| 830 | data); |
| 831 | pos += 16; |
| 832 | break; |
| 833 | |
| 834 | case 0x2ea0: |
| 835 | artist_vram_write32(s, buf, get_vram_offset(s, buf, pos >> 2, posy), |
| 836 | size, data, s->fg_color, s->bg_color); |
| 837 | pos += 4; |
| 838 | break; |
| 839 | |
| 840 | case 0x28a0: |
| 841 | artist_vram_write32(s, buf, get_vram_offset(s, buf, pos >> 2, posy), |
| 842 | size, data, 1, 0); |
| 843 | pos += 4; |
| 844 | break; |
| 845 | |
| 846 | default: |
| 847 | qemu_log_mask(LOG_UNIMP, "%s: unknown dst bm access %08x\n", |
| 848 | __func__, s->dst_bm_access); |
| 849 | break; |
| 850 | } |
| 851 | |
| 852 | if (vram_write_bufidx(s) == ARTIST_BUFFER_CURSOR1 || |
| 853 | vram_write_bufidx(s) == ARTIST_BUFFER_CURSOR2) { |
| 854 | artist_invalidate_cursor(s); |
| 855 | } |
| 856 | return pos; |
| 857 | } |
| 858 | |
| 859 | static void artist_vram_write(void *opaque, hwaddr addr, uint64_t val, |
| 860 | unsigned size) |
| 861 | { |
| 862 | ARTISTState *s = opaque; |
Mark Cave-Ayland | 5d61789 | 2022-05-04 16:37:06 +0100 | [diff] [blame] | 863 | |
Sven Schnelle | 3b21d99 | 2022-01-21 23:16:19 +0100 | [diff] [blame] | 864 | s->vram_char_y = 0; |
| 865 | trace_artist_vram_write(size, addr, val); |
| 866 | vram_bit_write(opaque, addr, 0, val, size); |
| 867 | } |
| 868 | |
| 869 | static uint64_t artist_vram_read(void *opaque, hwaddr addr, unsigned size) |
| 870 | { |
| 871 | ARTISTState *s = opaque; |
| 872 | struct vram_buffer *buf; |
| 873 | unsigned int offset; |
| 874 | uint64_t val; |
| 875 | |
| 876 | buf = vram_read_buffer(s); |
| 877 | if (!buf->size) { |
| 878 | return 0; |
| 879 | } |
| 880 | |
| 881 | offset = get_vram_offset(s, buf, addr >> 2, 0); |
| 882 | |
| 883 | if (offset > buf->size) { |
| 884 | return 0; |
| 885 | } |
| 886 | |
| 887 | switch (s->src_bm_access >> 16) { |
| 888 | case 0x3ba0: |
| 889 | val = *(uint32_t *)(buf->data + offset); |
| 890 | break; |
| 891 | |
| 892 | case 0x13a0: |
| 893 | case 0x2ea0: |
| 894 | val = bswap32(*(uint32_t *)(buf->data + offset)); |
| 895 | break; |
| 896 | |
| 897 | default: |
| 898 | qemu_log_mask(LOG_UNIMP, "%s: unknown src bm access %08x\n", |
| 899 | __func__, s->dst_bm_access); |
| 900 | val = -1ULL; |
| 901 | break; |
| 902 | } |
| 903 | trace_artist_vram_read(size, addr, val); |
| 904 | return val; |
| 905 | } |
| 906 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 907 | static void artist_reg_write(void *opaque, hwaddr addr, uint64_t val, |
| 908 | unsigned size) |
| 909 | { |
| 910 | ARTISTState *s = opaque; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 911 | int width, height; |
Helge Deller | caca6e6 | 2022-05-11 12:59:47 +0200 | [diff] [blame] | 912 | uint64_t oldval; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 913 | |
| 914 | trace_artist_reg_write(size, addr, artist_reg_name(addr & ~3ULL), val); |
| 915 | |
| 916 | switch (addr & ~3ULL) { |
| 917 | case 0x100080: |
| 918 | combine_write_reg(addr, val, size, &s->reg_100080); |
| 919 | break; |
| 920 | |
| 921 | case FG_COLOR: |
| 922 | combine_write_reg(addr, val, size, &s->fg_color); |
| 923 | break; |
| 924 | |
| 925 | case BG_COLOR: |
| 926 | combine_write_reg(addr, val, size, &s->bg_color); |
| 927 | break; |
| 928 | |
| 929 | case VRAM_BITMASK: |
| 930 | combine_write_reg(addr, val, size, &s->vram_bitmask); |
| 931 | break; |
| 932 | |
| 933 | case VRAM_WRITE_INCR_Y: |
Sven Schnelle | 3b21d99 | 2022-01-21 23:16:19 +0100 | [diff] [blame] | 934 | vram_bit_write(s, s->vram_pos, s->vram_char_y++, val, size); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 935 | break; |
| 936 | |
| 937 | case VRAM_WRITE_INCR_X: |
| 938 | case VRAM_WRITE_INCR_X2: |
Sven Schnelle | 3b21d99 | 2022-01-21 23:16:19 +0100 | [diff] [blame] | 939 | s->vram_pos = vram_bit_write(s, s->vram_pos, s->vram_char_y, val, size); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 940 | break; |
| 941 | |
| 942 | case VRAM_IDX: |
| 943 | combine_write_reg(addr, val, size, &s->vram_pos); |
| 944 | s->vram_char_y = 0; |
| 945 | s->draw_line_pattern = 0; |
| 946 | break; |
| 947 | |
| 948 | case VRAM_START: |
| 949 | combine_write_reg(addr, val, size, &s->vram_start); |
| 950 | s->draw_line_pattern = 0; |
| 951 | break; |
| 952 | |
| 953 | case VRAM_START_TRIGGER: |
| 954 | combine_write_reg(addr, val, size, &s->vram_start); |
| 955 | fill_window(s, artist_get_x(s->vram_start), |
| 956 | artist_get_y(s->vram_start), |
| 957 | artist_get_x(s->blockmove_size), |
| 958 | artist_get_y(s->blockmove_size)); |
| 959 | break; |
| 960 | |
| 961 | case VRAM_SIZE_TRIGGER: |
| 962 | combine_write_reg(addr, val, size, &s->vram_size); |
| 963 | |
| 964 | if (size == 2 && !(addr & 2)) { |
| 965 | height = artist_get_y(s->blockmove_size); |
| 966 | } else { |
| 967 | height = artist_get_y(s->vram_size); |
| 968 | } |
| 969 | |
| 970 | if (size == 2 && (addr & 2)) { |
| 971 | width = artist_get_x(s->blockmove_size); |
| 972 | } else { |
| 973 | width = artist_get_x(s->vram_size); |
| 974 | } |
| 975 | |
| 976 | fill_window(s, artist_get_x(s->vram_start), |
| 977 | artist_get_y(s->vram_start), |
| 978 | width, height); |
| 979 | break; |
| 980 | |
| 981 | case LINE_XY: |
| 982 | combine_write_reg(addr, val, size, &s->line_xy); |
| 983 | if (s->draw_line_pattern) { |
| 984 | draw_line_pattern_next(s); |
| 985 | } else { |
| 986 | draw_line_xy(s, true); |
| 987 | } |
| 988 | break; |
| 989 | |
| 990 | case PATTERN_LINE_START: |
| 991 | combine_write_reg(addr, val, size, &s->line_pattern_start); |
| 992 | s->draw_line_pattern = 1; |
| 993 | draw_line_pattern_start(s); |
| 994 | break; |
| 995 | |
| 996 | case LINE_SIZE: |
| 997 | combine_write_reg(addr, val, size, &s->line_size); |
| 998 | draw_line_size(s, true); |
| 999 | break; |
| 1000 | |
| 1001 | case LINE_END: |
| 1002 | combine_write_reg(addr, val, size, &s->line_end); |
| 1003 | draw_line_end(s, true); |
| 1004 | break; |
| 1005 | |
| 1006 | case BLOCK_MOVE_SIZE: |
| 1007 | combine_write_reg(addr, val, size, &s->blockmove_size); |
| 1008 | break; |
| 1009 | |
| 1010 | case BLOCK_MOVE_SOURCE: |
| 1011 | combine_write_reg(addr, val, size, &s->blockmove_source); |
| 1012 | break; |
| 1013 | |
| 1014 | case BLOCK_MOVE_DEST_TRIGGER: |
| 1015 | combine_write_reg(addr, val, size, &s->blockmove_dest); |
| 1016 | |
| 1017 | block_move(s, artist_get_x(s->blockmove_source), |
| 1018 | artist_get_y(s->blockmove_source), |
| 1019 | artist_get_x(s->blockmove_dest), |
| 1020 | artist_get_y(s->blockmove_dest), |
| 1021 | artist_get_x(s->blockmove_size), |
| 1022 | artist_get_y(s->blockmove_size)); |
| 1023 | break; |
| 1024 | |
| 1025 | case BLOCK_MOVE_SIZE_TRIGGER: |
| 1026 | combine_write_reg(addr, val, size, &s->blockmove_size); |
| 1027 | |
| 1028 | block_move(s, |
| 1029 | artist_get_x(s->blockmove_source), |
| 1030 | artist_get_y(s->blockmove_source), |
| 1031 | artist_get_x(s->vram_start), |
| 1032 | artist_get_y(s->vram_start), |
| 1033 | artist_get_x(s->blockmove_size), |
| 1034 | artist_get_y(s->blockmove_size)); |
| 1035 | break; |
| 1036 | |
| 1037 | case PLANE_MASK: |
| 1038 | combine_write_reg(addr, val, size, &s->plane_mask); |
| 1039 | break; |
| 1040 | |
Sven Schnelle | 3b21d99 | 2022-01-21 23:16:19 +0100 | [diff] [blame] | 1041 | case DST_SRC_BM_ACCESS: |
| 1042 | combine_write_reg(addr, val, size, &s->dst_bm_access); |
| 1043 | combine_write_reg(addr, val, size, &s->src_bm_access); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1044 | break; |
| 1045 | |
| 1046 | case DST_BM_ACCESS: |
| 1047 | combine_write_reg(addr, val, size, &s->dst_bm_access); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1048 | break; |
| 1049 | |
| 1050 | case SRC_BM_ACCESS: |
| 1051 | combine_write_reg(addr, val, size, &s->src_bm_access); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1052 | break; |
| 1053 | |
| 1054 | case CONTROL_PLANE: |
| 1055 | combine_write_reg(addr, val, size, &s->control_plane); |
| 1056 | break; |
| 1057 | |
| 1058 | case TRANSFER_DATA: |
| 1059 | combine_write_reg(addr, val, size, &s->transfer_data); |
| 1060 | break; |
| 1061 | |
Helge Deller | e9683fb | 2022-05-11 11:41:19 +0200 | [diff] [blame] | 1062 | case HORIZ_BACKPORCH: |
Helge Deller | 9ef2c6b | 2022-05-12 13:40:39 +0200 | [diff] [blame] | 1063 | /* overwrite HP-UX settings to fix X cursor position. */ |
| 1064 | val = (NGLE_MAX_SPRITE_SIZE << 16) + (NGLE_MAX_SPRITE_SIZE << 8); |
Helge Deller | e9683fb | 2022-05-11 11:41:19 +0200 | [diff] [blame] | 1065 | combine_write_reg(addr, val, size, &s->horiz_backporch); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1066 | break; |
| 1067 | |
Helge Deller | e9683fb | 2022-05-11 11:41:19 +0200 | [diff] [blame] | 1068 | case ACTIVE_LINES_LOW: |
| 1069 | combine_write_reg(addr, val, size, &s->active_lines_low); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1070 | break; |
| 1071 | |
Helge Deller | e9683fb | 2022-05-11 11:41:19 +0200 | [diff] [blame] | 1072 | case MISC_VIDEO: |
Helge Deller | caca6e6 | 2022-05-11 12:59:47 +0200 | [diff] [blame] | 1073 | oldval = s->misc_video; |
Helge Deller | e9683fb | 2022-05-11 11:41:19 +0200 | [diff] [blame] | 1074 | combine_write_reg(addr, val, size, &s->misc_video); |
Helge Deller | caca6e6 | 2022-05-11 12:59:47 +0200 | [diff] [blame] | 1075 | /* Invalidate and hide screen if graphics signal is turned off. */ |
| 1076 | if (((oldval & 0x0A000000) == 0x0A000000) && |
| 1077 | ((val & 0x0A000000) != 0x0A000000)) { |
| 1078 | artist_invalidate(s); |
| 1079 | } |
| 1080 | /* Invalidate and redraw screen if graphics signal is turned back on. */ |
| 1081 | if (((oldval & 0x0A000000) != 0x0A000000) && |
| 1082 | ((val & 0x0A000000) == 0x0A000000)) { |
| 1083 | artist_invalidate(s); |
| 1084 | } |
Helge Deller | e9683fb | 2022-05-11 11:41:19 +0200 | [diff] [blame] | 1085 | break; |
| 1086 | |
| 1087 | case MISC_CTRL: |
| 1088 | combine_write_reg(addr, val, size, &s->misc_ctrl); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1089 | break; |
| 1090 | |
| 1091 | case CURSOR_POS: |
| 1092 | artist_invalidate_cursor(s); |
| 1093 | combine_write_reg(addr, val, size, &s->cursor_pos); |
| 1094 | artist_invalidate_cursor(s); |
| 1095 | break; |
| 1096 | |
| 1097 | case CURSOR_CTRL: |
Helge Deller | 3615cea | 2022-01-05 23:06:12 +0100 | [diff] [blame] | 1098 | combine_write_reg(addr, val, size, &s->cursor_cntrl); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1099 | break; |
| 1100 | |
| 1101 | case IMAGE_BITMAP_OP: |
| 1102 | combine_write_reg(addr, val, size, &s->image_bitmap_op); |
| 1103 | break; |
| 1104 | |
| 1105 | case FONT_WRITE_INCR_Y: |
| 1106 | combine_write_reg(addr, val, size, &s->font_write1); |
| 1107 | font_write(s, s->font_write1); |
| 1108 | break; |
| 1109 | |
| 1110 | case FONT_WRITE_START: |
| 1111 | combine_write_reg(addr, val, size, &s->font_write2); |
| 1112 | s->font_write_pos_y = 0; |
| 1113 | font_write(s, s->font_write2); |
| 1114 | break; |
| 1115 | |
| 1116 | case 300104: |
| 1117 | break; |
| 1118 | |
| 1119 | default: |
| 1120 | qemu_log_mask(LOG_UNIMP, "%s: unknown register: reg=%08" HWADDR_PRIx |
| 1121 | " val=%08" PRIx64 " size=%d\n", |
| 1122 | __func__, addr, val, size); |
| 1123 | break; |
| 1124 | } |
| 1125 | } |
| 1126 | |
| 1127 | static uint64_t combine_read_reg(hwaddr addr, int size, void *in) |
| 1128 | { |
| 1129 | /* |
| 1130 | * FIXME: is there a qemu helper for this? |
| 1131 | */ |
| 1132 | |
Marc-André Lureau | e03b568 | 2022-03-23 19:57:17 +0400 | [diff] [blame] | 1133 | #if !HOST_BIG_ENDIAN |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1134 | addr ^= 3; |
| 1135 | #endif |
| 1136 | |
| 1137 | switch (size) { |
| 1138 | case 1: |
| 1139 | return *(uint8_t *)(in + (addr & 3)); |
| 1140 | |
| 1141 | case 2: |
| 1142 | return *(uint16_t *)(in + (addr & 2)); |
| 1143 | |
| 1144 | case 4: |
| 1145 | return *(uint32_t *)in; |
| 1146 | |
| 1147 | default: |
| 1148 | qemu_log_mask(LOG_UNIMP, "unsupported read size: %d\n", size); |
| 1149 | return 0; |
| 1150 | } |
| 1151 | } |
| 1152 | |
| 1153 | static uint64_t artist_reg_read(void *opaque, hwaddr addr, unsigned size) |
| 1154 | { |
| 1155 | ARTISTState *s = opaque; |
| 1156 | uint32_t val = 0; |
| 1157 | |
| 1158 | switch (addr & ~3ULL) { |
| 1159 | /* Unknown status registers */ |
| 1160 | case 0: |
| 1161 | break; |
| 1162 | |
| 1163 | case 0x211110: |
| 1164 | val = (s->width << 16) | s->height; |
| 1165 | if (s->depth == 1) { |
| 1166 | val |= 1 << 31; |
| 1167 | } |
| 1168 | break; |
| 1169 | |
| 1170 | case 0x100000: |
| 1171 | case 0x300000: |
| 1172 | case 0x300004: |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1173 | case 0x380000: |
| 1174 | break; |
| 1175 | |
Helge Deller | e9683fb | 2022-05-11 11:41:19 +0200 | [diff] [blame] | 1176 | case FIFO1: |
| 1177 | case FIFO2: |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1178 | /* |
| 1179 | * FIFO ready flag. we're not emulating the FIFOs |
| 1180 | * so we're always ready |
| 1181 | */ |
| 1182 | val = 0x10; |
| 1183 | break; |
| 1184 | |
Helge Deller | e9683fb | 2022-05-11 11:41:19 +0200 | [diff] [blame] | 1185 | case HORIZ_BACKPORCH: |
| 1186 | val = s->horiz_backporch; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1187 | break; |
| 1188 | |
Helge Deller | e9683fb | 2022-05-11 11:41:19 +0200 | [diff] [blame] | 1189 | case ACTIVE_LINES_LOW: |
| 1190 | val = s->active_lines_low; |
| 1191 | /* activeLinesLo for cursor is in reg20.b.b0 */ |
Helge Deller | 482afe0 | 2022-05-11 11:49:02 +0200 | [diff] [blame] | 1192 | val &= ~(0xff << 24); |
| 1193 | val |= (s->height & 0xff) << 24; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1194 | break; |
| 1195 | |
Helge Deller | e9683fb | 2022-05-11 11:41:19 +0200 | [diff] [blame] | 1196 | case MISC_VIDEO: |
| 1197 | /* emulate V-blank */ |
Helge Deller | 482afe0 | 2022-05-11 11:49:02 +0200 | [diff] [blame] | 1198 | s->misc_video ^= 0x00040000; |
Helge Deller | e9683fb | 2022-05-11 11:41:19 +0200 | [diff] [blame] | 1199 | /* activeLinesHi for cursor is in reg21.b.b2 */ |
Helge Deller | 482afe0 | 2022-05-11 11:49:02 +0200 | [diff] [blame] | 1200 | val = s->misc_video; |
| 1201 | val &= ~0xff00UL; |
| 1202 | val |= (s->height & 0xff00); |
Helge Deller | e9683fb | 2022-05-11 11:41:19 +0200 | [diff] [blame] | 1203 | break; |
| 1204 | |
| 1205 | case MISC_CTRL: |
| 1206 | val = s->misc_ctrl; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1207 | break; |
| 1208 | |
| 1209 | case 0x30023c: |
| 1210 | val = 0xac4ffdac; |
| 1211 | break; |
| 1212 | |
| 1213 | case 0x380004: |
| 1214 | /* 0x02000000 Buserror */ |
| 1215 | val = 0x6dc20006; |
| 1216 | break; |
| 1217 | |
| 1218 | default: |
| 1219 | qemu_log_mask(LOG_UNIMP, "%s: unknown register: %08" HWADDR_PRIx |
| 1220 | " size %d\n", __func__, addr, size); |
| 1221 | break; |
| 1222 | } |
| 1223 | val = combine_read_reg(addr, size, &val); |
| 1224 | trace_artist_reg_read(size, addr, artist_reg_name(addr & ~3ULL), val); |
| 1225 | return val; |
| 1226 | } |
| 1227 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1228 | static const MemoryRegionOps artist_reg_ops = { |
| 1229 | .read = artist_reg_read, |
| 1230 | .write = artist_reg_write, |
| 1231 | .endianness = DEVICE_NATIVE_ENDIAN, |
Helge Deller | e0cf02c | 2020-08-08 22:29:01 +0200 | [diff] [blame] | 1232 | .impl.min_access_size = 1, |
| 1233 | .impl.max_access_size = 4, |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1234 | }; |
| 1235 | |
| 1236 | static const MemoryRegionOps artist_vram_ops = { |
| 1237 | .read = artist_vram_read, |
| 1238 | .write = artist_vram_write, |
| 1239 | .endianness = DEVICE_NATIVE_ENDIAN, |
Helge Deller | e0cf02c | 2020-08-08 22:29:01 +0200 | [diff] [blame] | 1240 | .impl.min_access_size = 1, |
| 1241 | .impl.max_access_size = 4, |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1242 | }; |
| 1243 | |
| 1244 | static void artist_draw_cursor(ARTISTState *s) |
| 1245 | { |
| 1246 | DisplaySurface *surface = qemu_console_surface(s->con); |
| 1247 | uint32_t *data = (uint32_t *)surface_data(surface); |
| 1248 | struct vram_buffer *cursor0, *cursor1 , *buf; |
| 1249 | int cx, cy, cursor_pos_x, cursor_pos_y; |
| 1250 | |
Helge Deller | a377b57 | 2022-05-11 12:28:30 +0200 | [diff] [blame] | 1251 | if (!cursor_visible(s)) { |
| 1252 | return; |
| 1253 | } |
| 1254 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1255 | cursor0 = &s->vram_buffer[ARTIST_BUFFER_CURSOR1]; |
| 1256 | cursor1 = &s->vram_buffer[ARTIST_BUFFER_CURSOR2]; |
| 1257 | buf = &s->vram_buffer[ARTIST_BUFFER_AP]; |
| 1258 | |
| 1259 | artist_get_cursor_pos(s, &cursor_pos_x, &cursor_pos_y); |
| 1260 | |
| 1261 | for (cy = 0; cy < s->cursor_height; cy++) { |
| 1262 | |
| 1263 | for (cx = 0; cx < s->cursor_width; cx++) { |
| 1264 | |
| 1265 | if (cursor_pos_y + cy < 0 || |
| 1266 | cursor_pos_x + cx < 0 || |
| 1267 | cursor_pos_y + cy > buf->height - 1 || |
| 1268 | cursor_pos_x + cx > buf->width) { |
| 1269 | continue; |
| 1270 | } |
| 1271 | |
| 1272 | int dstoffset = (cursor_pos_y + cy) * s->width + |
| 1273 | (cursor_pos_x + cx); |
| 1274 | |
| 1275 | if (cursor0->data[cy * cursor0->width + cx]) { |
| 1276 | data[dstoffset] = 0; |
| 1277 | } else { |
| 1278 | if (cursor1->data[cy * cursor1->width + cx]) { |
| 1279 | data[dstoffset] = 0xffffff; |
| 1280 | } |
| 1281 | } |
| 1282 | } |
| 1283 | } |
| 1284 | } |
| 1285 | |
Helge Deller | caca6e6 | 2022-05-11 12:59:47 +0200 | [diff] [blame] | 1286 | static bool artist_screen_enabled(ARTISTState *s) |
| 1287 | { |
| 1288 | /* We could check for (s->misc_ctrl & 0x00800000) too... */ |
| 1289 | return ((s->misc_video & 0x0A000000) == 0x0A000000); |
| 1290 | } |
| 1291 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1292 | static void artist_draw_line(void *opaque, uint8_t *d, const uint8_t *src, |
| 1293 | int width, int pitch) |
| 1294 | { |
| 1295 | ARTISTState *s = ARTIST(opaque); |
| 1296 | uint32_t *cmap, *data = (uint32_t *)d; |
| 1297 | int x; |
| 1298 | |
Helge Deller | caca6e6 | 2022-05-11 12:59:47 +0200 | [diff] [blame] | 1299 | if (!artist_screen_enabled(s)) { |
| 1300 | /* clear screen */ |
| 1301 | memset(data, 0, s->width * sizeof(uint32_t)); |
| 1302 | return; |
| 1303 | } |
| 1304 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1305 | cmap = (uint32_t *)(s->vram_buffer[ARTIST_BUFFER_CMAP].data + 0x400); |
| 1306 | |
| 1307 | for (x = 0; x < s->width; x++) { |
| 1308 | *data++ = cmap[*src++]; |
| 1309 | } |
| 1310 | } |
| 1311 | |
| 1312 | static void artist_update_display(void *opaque) |
| 1313 | { |
| 1314 | ARTISTState *s = opaque; |
| 1315 | DisplaySurface *surface = qemu_console_surface(s->con); |
| 1316 | int first = 0, last; |
| 1317 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1318 | framebuffer_update_display(surface, &s->fbsection, s->width, s->height, |
| 1319 | s->width, s->width * 4, 0, 0, artist_draw_line, |
| 1320 | s, &first, &last); |
| 1321 | |
| 1322 | artist_draw_cursor(s); |
| 1323 | |
Mark Cave-Ayland | 1f11051 | 2022-05-04 16:37:08 +0100 | [diff] [blame] | 1324 | if (first >= 0) { |
| 1325 | dpy_gfx_update(s->con, 0, first, s->width, last - first + 1); |
| 1326 | } |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1327 | } |
| 1328 | |
| 1329 | static void artist_invalidate(void *opaque) |
| 1330 | { |
| 1331 | ARTISTState *s = ARTIST(opaque); |
| 1332 | struct vram_buffer *buf = &s->vram_buffer[ARTIST_BUFFER_AP]; |
Mark Cave-Ayland | 5d61789 | 2022-05-04 16:37:06 +0100 | [diff] [blame] | 1333 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1334 | memory_region_set_dirty(&buf->mr, 0, buf->size); |
| 1335 | } |
| 1336 | |
| 1337 | static const GraphicHwOps artist_ops = { |
| 1338 | .invalidate = artist_invalidate, |
| 1339 | .gfx_update = artist_update_display, |
| 1340 | }; |
| 1341 | |
| 1342 | static void artist_initfn(Object *obj) |
| 1343 | { |
| 1344 | SysBusDevice *sbd = SYS_BUS_DEVICE(obj); |
| 1345 | ARTISTState *s = ARTIST(obj); |
| 1346 | |
| 1347 | memory_region_init_io(&s->reg, obj, &artist_reg_ops, s, "artist.reg", |
| 1348 | 4 * MiB); |
| 1349 | memory_region_init_io(&s->vram_mem, obj, &artist_vram_ops, s, "artist.vram", |
| 1350 | 8 * MiB); |
| 1351 | sysbus_init_mmio(sbd, &s->reg); |
| 1352 | sysbus_init_mmio(sbd, &s->vram_mem); |
| 1353 | } |
| 1354 | |
| 1355 | static void artist_create_buffer(ARTISTState *s, const char *name, |
| 1356 | hwaddr *offset, unsigned int idx, |
| 1357 | int width, int height) |
| 1358 | { |
| 1359 | struct vram_buffer *buf = s->vram_buffer + idx; |
| 1360 | |
Mark Cave-Ayland | 39fbaec | 2022-06-24 17:08:39 +0100 | [diff] [blame] | 1361 | memory_region_init_ram(&buf->mr, OBJECT(s), name, width * height, |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1362 | &error_fatal); |
| 1363 | memory_region_add_subregion_overlap(&s->mem_as_root, *offset, &buf->mr, 0); |
| 1364 | |
| 1365 | buf->data = memory_region_get_ram_ptr(&buf->mr); |
| 1366 | buf->size = height * width; |
| 1367 | buf->width = width; |
| 1368 | buf->height = height; |
| 1369 | |
| 1370 | *offset += buf->size; |
| 1371 | } |
| 1372 | |
| 1373 | static void artist_realizefn(DeviceState *dev, Error **errp) |
| 1374 | { |
| 1375 | ARTISTState *s = ARTIST(dev); |
| 1376 | struct vram_buffer *buf; |
| 1377 | hwaddr offset = 0; |
| 1378 | |
Helge Deller | 95aad49 | 2020-09-03 07:09:31 +0200 | [diff] [blame] | 1379 | if (s->width > 2048 || s->height > 2048) { |
| 1380 | error_report("artist: screen size can not exceed 2048 x 2048 pixel."); |
| 1381 | s->width = MIN(s->width, 2048); |
| 1382 | s->height = MIN(s->height, 2048); |
| 1383 | } |
| 1384 | |
| 1385 | if (s->width < 640 || s->height < 480) { |
| 1386 | error_report("artist: minimum screen size is 640 x 480 pixel."); |
| 1387 | s->width = MAX(s->width, 640); |
| 1388 | s->height = MAX(s->height, 480); |
| 1389 | } |
| 1390 | |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1391 | memory_region_init(&s->mem_as_root, OBJECT(dev), "artist", ~0ull); |
| 1392 | address_space_init(&s->as, &s->mem_as_root, "artist"); |
| 1393 | |
| 1394 | artist_create_buffer(s, "cmap", &offset, ARTIST_BUFFER_CMAP, 2048, 4); |
| 1395 | artist_create_buffer(s, "ap", &offset, ARTIST_BUFFER_AP, |
| 1396 | s->width, s->height); |
| 1397 | artist_create_buffer(s, "cursor1", &offset, ARTIST_BUFFER_CURSOR1, 64, 64); |
| 1398 | artist_create_buffer(s, "cursor2", &offset, ARTIST_BUFFER_CURSOR2, 64, 64); |
| 1399 | artist_create_buffer(s, "attribute", &offset, ARTIST_BUFFER_ATTRIBUTE, |
| 1400 | 64, 64); |
| 1401 | |
| 1402 | buf = &s->vram_buffer[ARTIST_BUFFER_AP]; |
| 1403 | framebuffer_update_memory_section(&s->fbsection, &buf->mr, 0, |
| 1404 | buf->width, buf->height); |
| 1405 | /* |
Helge Deller | 7e50730 | 2022-05-11 11:34:15 +0200 | [diff] [blame] | 1406 | * Artist cursor max size |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1407 | */ |
Helge Deller | 7e50730 | 2022-05-11 11:34:15 +0200 | [diff] [blame] | 1408 | s->cursor_height = NGLE_MAX_SPRITE_SIZE; |
| 1409 | s->cursor_width = NGLE_MAX_SPRITE_SIZE; |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1410 | |
Sven Schnelle | 3b21d99 | 2022-01-21 23:16:19 +0100 | [diff] [blame] | 1411 | /* |
| 1412 | * These two registers are not initialized by seabios's STI implementation. |
| 1413 | * Initialize them here to sane values so artist also works with older |
| 1414 | * (not-fixed) seabios versions. |
| 1415 | */ |
| 1416 | s->image_bitmap_op = 0x23000300; |
| 1417 | s->plane_mask = 0xff; |
| 1418 | |
Helge Deller | caca6e6 | 2022-05-11 12:59:47 +0200 | [diff] [blame] | 1419 | /* enable screen */ |
| 1420 | s->misc_video |= 0x0A000000; |
| 1421 | s->misc_ctrl |= 0x00800000; |
| 1422 | |
Philippe Mathieu-Daudé | 8e5c952 | 2020-05-12 09:00:20 +0200 | [diff] [blame] | 1423 | s->con = graphic_console_init(dev, 0, &artist_ops, s); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1424 | qemu_console_resize(s->con, s->width, s->height); |
| 1425 | } |
| 1426 | |
| 1427 | static int vmstate_artist_post_load(void *opaque, int version_id) |
| 1428 | { |
| 1429 | artist_invalidate(opaque); |
| 1430 | return 0; |
| 1431 | } |
| 1432 | |
| 1433 | static const VMStateDescription vmstate_artist = { |
| 1434 | .name = "artist", |
Helge Deller | 3615cea | 2022-01-05 23:06:12 +0100 | [diff] [blame] | 1435 | .version_id = 2, |
| 1436 | .minimum_version_id = 2, |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1437 | .post_load = vmstate_artist_post_load, |
Richard Henderson | f061316 | 2023-12-21 14:16:07 +1100 | [diff] [blame] | 1438 | .fields = (const VMStateField[]) { |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1439 | VMSTATE_UINT16(height, ARTISTState), |
| 1440 | VMSTATE_UINT16(width, ARTISTState), |
| 1441 | VMSTATE_UINT16(depth, ARTISTState), |
| 1442 | VMSTATE_UINT32(fg_color, ARTISTState), |
| 1443 | VMSTATE_UINT32(bg_color, ARTISTState), |
| 1444 | VMSTATE_UINT32(vram_char_y, ARTISTState), |
| 1445 | VMSTATE_UINT32(vram_bitmask, ARTISTState), |
| 1446 | VMSTATE_UINT32(vram_start, ARTISTState), |
| 1447 | VMSTATE_UINT32(vram_pos, ARTISTState), |
| 1448 | VMSTATE_UINT32(vram_size, ARTISTState), |
| 1449 | VMSTATE_UINT32(blockmove_source, ARTISTState), |
| 1450 | VMSTATE_UINT32(blockmove_dest, ARTISTState), |
| 1451 | VMSTATE_UINT32(blockmove_size, ARTISTState), |
| 1452 | VMSTATE_UINT32(line_size, ARTISTState), |
| 1453 | VMSTATE_UINT32(line_end, ARTISTState), |
| 1454 | VMSTATE_UINT32(line_xy, ARTISTState), |
| 1455 | VMSTATE_UINT32(cursor_pos, ARTISTState), |
Helge Deller | 3615cea | 2022-01-05 23:06:12 +0100 | [diff] [blame] | 1456 | VMSTATE_UINT32(cursor_cntrl, ARTISTState), |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1457 | VMSTATE_UINT32(cursor_height, ARTISTState), |
| 1458 | VMSTATE_UINT32(cursor_width, ARTISTState), |
| 1459 | VMSTATE_UINT32(plane_mask, ARTISTState), |
| 1460 | VMSTATE_UINT32(reg_100080, ARTISTState), |
Helge Deller | e9683fb | 2022-05-11 11:41:19 +0200 | [diff] [blame] | 1461 | VMSTATE_UINT32(horiz_backporch, ARTISTState), |
| 1462 | VMSTATE_UINT32(active_lines_low, ARTISTState), |
| 1463 | VMSTATE_UINT32(misc_video, ARTISTState), |
| 1464 | VMSTATE_UINT32(misc_ctrl, ARTISTState), |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1465 | VMSTATE_UINT32(dst_bm_access, ARTISTState), |
| 1466 | VMSTATE_UINT32(src_bm_access, ARTISTState), |
| 1467 | VMSTATE_UINT32(control_plane, ARTISTState), |
| 1468 | VMSTATE_UINT32(transfer_data, ARTISTState), |
| 1469 | VMSTATE_UINT32(image_bitmap_op, ARTISTState), |
| 1470 | VMSTATE_UINT32(font_write1, ARTISTState), |
| 1471 | VMSTATE_UINT32(font_write2, ARTISTState), |
| 1472 | VMSTATE_UINT32(font_write_pos_y, ARTISTState), |
| 1473 | VMSTATE_END_OF_LIST() |
| 1474 | } |
| 1475 | }; |
| 1476 | |
Richard Henderson | d432edd | 2024-12-13 15:31:19 +0000 | [diff] [blame] | 1477 | static const Property artist_properties[] = { |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1478 | DEFINE_PROP_UINT16("width", ARTISTState, width, 1280), |
| 1479 | DEFINE_PROP_UINT16("height", ARTISTState, height, 1024), |
| 1480 | DEFINE_PROP_UINT16("depth", ARTISTState, depth, 8), |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1481 | }; |
| 1482 | |
| 1483 | static void artist_reset(DeviceState *qdev) |
| 1484 | { |
| 1485 | } |
| 1486 | |
| 1487 | static void artist_class_init(ObjectClass *klass, void *data) |
| 1488 | { |
| 1489 | DeviceClass *dc = DEVICE_CLASS(klass); |
| 1490 | |
| 1491 | dc->realize = artist_realizefn; |
| 1492 | dc->vmsd = &vmstate_artist; |
Peter Maydell | e3d0814 | 2024-09-13 15:31:44 +0100 | [diff] [blame] | 1493 | device_class_set_legacy_reset(dc, artist_reset); |
Sven Schnelle | 4765384 | 2019-12-20 22:15:11 +0100 | [diff] [blame] | 1494 | device_class_set_props(dc, artist_properties); |
| 1495 | } |
| 1496 | |
| 1497 | static const TypeInfo artist_info = { |
| 1498 | .name = TYPE_ARTIST, |
| 1499 | .parent = TYPE_SYS_BUS_DEVICE, |
| 1500 | .instance_size = sizeof(ARTISTState), |
| 1501 | .instance_init = artist_initfn, |
| 1502 | .class_init = artist_class_init, |
| 1503 | }; |
| 1504 | |
| 1505 | static void artist_register_types(void) |
| 1506 | { |
| 1507 | type_register_static(&artist_info); |
| 1508 | } |
| 1509 | |
| 1510 | type_init(artist_register_types) |