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1 | 1fc3d392 | aurel32 | /*
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2 | 1fc3d392 | aurel32 | * QEMU G364 framebuffer Emulator.
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3 | 1fc3d392 | aurel32 | *
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4 | 97a3f6ff | Hervé Poussineau | * Copyright (c) 2007-2011 Herve Poussineau
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5 | 1fc3d392 | aurel32 | *
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6 | 1fc3d392 | aurel32 | * This program is free software; you can redistribute it and/or
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7 | 1fc3d392 | aurel32 | * modify it under the terms of the GNU General Public License as
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8 | 1fc3d392 | aurel32 | * published by the Free Software Foundation; either version 2 of
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9 | 1fc3d392 | aurel32 | * the License, or (at your option) any later version.
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10 | 1fc3d392 | aurel32 | *
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11 | 1fc3d392 | aurel32 | * This program is distributed in the hope that it will be useful,
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12 | 1fc3d392 | aurel32 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | 1fc3d392 | aurel32 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | 1fc3d392 | aurel32 | * GNU General Public License for more details.
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15 | 1fc3d392 | aurel32 | *
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16 | fad6cb1a | aurel32 | * You should have received a copy of the GNU General Public License along
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17 | 8167ee88 | Blue Swirl | * with this program; if not, see <http://www.gnu.org/licenses/>.
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18 | 1fc3d392 | aurel32 | */
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19 | 1fc3d392 | aurel32 | |
20 | 1fc3d392 | aurel32 | #include "hw.h" |
21 | 1fc3d392 | aurel32 | #include "console.h" |
22 | 1fc3d392 | aurel32 | #include "pixel_ops.h" |
23 | b213b370 | Hervé Poussineau | #include "trace.h" |
24 | 97a3f6ff | Hervé Poussineau | #include "sysbus.h" |
25 | 0add30cf | aurel32 | |
26 | 1fc3d392 | aurel32 | typedef struct G364State { |
27 | 0add30cf | aurel32 | /* hardware */
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28 | 0add30cf | aurel32 | uint8_t *vram; |
29 | 97a3f6ff | Hervé Poussineau | uint32_t vram_size; |
30 | 0add30cf | aurel32 | qemu_irq irq; |
31 | 97a3f6ff | Hervé Poussineau | MemoryRegion mem_vram; |
32 | 97a3f6ff | Hervé Poussineau | MemoryRegion mem_ctrl; |
33 | 0add30cf | aurel32 | /* registers */
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34 | 0add30cf | aurel32 | uint8_t color_palette[256][3]; |
35 | 0add30cf | aurel32 | uint8_t cursor_palette[3][3]; |
36 | 0add30cf | aurel32 | uint16_t cursor[512];
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37 | 0add30cf | aurel32 | uint32_t cursor_position; |
38 | 1fc3d392 | aurel32 | uint32_t ctla; |
39 | 0add30cf | aurel32 | uint32_t top_of_screen; |
40 | 0add30cf | aurel32 | uint32_t width, height; /* in pixels */
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41 | 1fc3d392 | aurel32 | /* display refresh support */
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42 | 1fc3d392 | aurel32 | DisplayState *ds; |
43 | 0add30cf | aurel32 | int depth;
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44 | 0add30cf | aurel32 | int blanked;
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45 | 1fc3d392 | aurel32 | } G364State; |
46 | 1fc3d392 | aurel32 | |
47 | 97a3f6ff | Hervé Poussineau | #define REG_BOOT 0x000000 |
48 | 97a3f6ff | Hervé Poussineau | #define REG_DISPLAY 0x000118 |
49 | 97a3f6ff | Hervé Poussineau | #define REG_VDISPLAY 0x000150 |
50 | 97a3f6ff | Hervé Poussineau | #define REG_CTLA 0x000300 |
51 | 97a3f6ff | Hervé Poussineau | #define REG_TOP 0x000400 |
52 | 97a3f6ff | Hervé Poussineau | #define REG_CURS_PAL 0x000508 |
53 | 97a3f6ff | Hervé Poussineau | #define REG_CURS_POS 0x000638 |
54 | 97a3f6ff | Hervé Poussineau | #define REG_CLR_PAL 0x000800 |
55 | 97a3f6ff | Hervé Poussineau | #define REG_CURS_PAT 0x001000 |
56 | 97a3f6ff | Hervé Poussineau | #define REG_RESET 0x100000 |
57 | 0add30cf | aurel32 | |
58 | 0add30cf | aurel32 | #define CTLA_FORCE_BLANK 0x00000400 |
59 | 0add30cf | aurel32 | #define CTLA_NO_CURSOR 0x00800000 |
60 | 0add30cf | aurel32 | |
61 | 1213406b | Blue Swirl | #define G364_PAGE_SIZE 4096 |
62 | 1213406b | Blue Swirl | |
63 | 97a3f6ff | Hervé Poussineau | static inline int check_dirty(G364State *s, ram_addr_t page) |
64 | 0add30cf | aurel32 | { |
65 | 97a3f6ff | Hervé Poussineau | return memory_region_get_dirty(&s->mem_vram, page, DIRTY_MEMORY_VGA);
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66 | 0add30cf | aurel32 | } |
67 | 0add30cf | aurel32 | |
68 | 0add30cf | aurel32 | static inline void reset_dirty(G364State *s, |
69 | c227f099 | Anthony Liguori | ram_addr_t page_min, ram_addr_t page_max) |
70 | 0add30cf | aurel32 | { |
71 | 97a3f6ff | Hervé Poussineau | memory_region_reset_dirty(&s->mem_vram, |
72 | 97a3f6ff | Hervé Poussineau | page_min, |
73 | 1213406b | Blue Swirl | page_max + G364_PAGE_SIZE - page_min - 1,
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74 | 97a3f6ff | Hervé Poussineau | DIRTY_MEMORY_VGA); |
75 | 0add30cf | aurel32 | } |
76 | 0add30cf | aurel32 | |
77 | 0add30cf | aurel32 | static void g364fb_draw_graphic8(G364State *s) |
78 | 1fc3d392 | aurel32 | { |
79 | 0add30cf | aurel32 | int i, w;
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80 | 0add30cf | aurel32 | uint8_t *vram; |
81 | 0add30cf | aurel32 | uint8_t *data_display, *dd; |
82 | c227f099 | Anthony Liguori | ram_addr_t page, page_min, page_max; |
83 | 0add30cf | aurel32 | int x, y;
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84 | 0add30cf | aurel32 | int xmin, xmax;
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85 | 0add30cf | aurel32 | int ymin, ymax;
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86 | 0add30cf | aurel32 | int xcursor, ycursor;
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87 | 0add30cf | aurel32 | unsigned int (*rgb_to_pixel)(unsigned int r, unsigned int g, unsigned int b); |
88 | 0add30cf | aurel32 | |
89 | 0e1f5a0c | aliguori | switch (ds_get_bits_per_pixel(s->ds)) {
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90 | 1fc3d392 | aurel32 | case 8: |
91 | 0add30cf | aurel32 | rgb_to_pixel = rgb_to_pixel8; |
92 | 0add30cf | aurel32 | w = 1;
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93 | 1fc3d392 | aurel32 | break;
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94 | 1fc3d392 | aurel32 | case 15: |
95 | 0add30cf | aurel32 | rgb_to_pixel = rgb_to_pixel15; |
96 | 0add30cf | aurel32 | w = 2;
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97 | 1fc3d392 | aurel32 | break;
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98 | 1fc3d392 | aurel32 | case 16: |
99 | 0add30cf | aurel32 | rgb_to_pixel = rgb_to_pixel16; |
100 | 0add30cf | aurel32 | w = 2;
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101 | 1fc3d392 | aurel32 | break;
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102 | 1fc3d392 | aurel32 | case 32: |
103 | 0add30cf | aurel32 | rgb_to_pixel = rgb_to_pixel32; |
104 | 0add30cf | aurel32 | w = 4;
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105 | 1fc3d392 | aurel32 | break;
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106 | 1fc3d392 | aurel32 | default:
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107 | b213b370 | Hervé Poussineau | hw_error("g364: unknown host depth %d",
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108 | b213b370 | Hervé Poussineau | ds_get_bits_per_pixel(s->ds)); |
109 | 1fc3d392 | aurel32 | return;
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110 | 1fc3d392 | aurel32 | } |
111 | 1fc3d392 | aurel32 | |
112 | 97a3f6ff | Hervé Poussineau | page = 0;
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113 | c227f099 | Anthony Liguori | page_min = (ram_addr_t)-1;
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114 | 0add30cf | aurel32 | page_max = 0;
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115 | 0add30cf | aurel32 | |
116 | 0add30cf | aurel32 | x = y = 0;
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117 | 0add30cf | aurel32 | xmin = s->width; |
118 | 0add30cf | aurel32 | xmax = 0;
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119 | 0add30cf | aurel32 | ymin = s->height; |
120 | 0add30cf | aurel32 | ymax = 0;
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121 | 0add30cf | aurel32 | |
122 | 0add30cf | aurel32 | if (!(s->ctla & CTLA_NO_CURSOR)) {
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123 | 0add30cf | aurel32 | xcursor = s->cursor_position >> 12;
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124 | 0add30cf | aurel32 | ycursor = s->cursor_position & 0xfff;
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125 | 0add30cf | aurel32 | } else {
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126 | 0add30cf | aurel32 | xcursor = ycursor = -65;
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127 | 0add30cf | aurel32 | } |
128 | 0add30cf | aurel32 | |
129 | 0add30cf | aurel32 | vram = s->vram + s->top_of_screen; |
130 | 0add30cf | aurel32 | /* XXX: out of range in vram? */
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131 | 0add30cf | aurel32 | data_display = dd = ds_get_data(s->ds); |
132 | 0add30cf | aurel32 | while (y < s->height) {
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133 | 97a3f6ff | Hervé Poussineau | if (check_dirty(s, page)) {
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134 | 0add30cf | aurel32 | if (y < ymin)
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135 | 0add30cf | aurel32 | ymin = ymax = y; |
136 | c227f099 | Anthony Liguori | if (page_min == (ram_addr_t)-1) |
137 | 0add30cf | aurel32 | page_min = page; |
138 | 0add30cf | aurel32 | page_max = page; |
139 | 0add30cf | aurel32 | if (x < xmin)
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140 | 0add30cf | aurel32 | xmin = x; |
141 | 1213406b | Blue Swirl | for (i = 0; i < G364_PAGE_SIZE; i++) { |
142 | 0add30cf | aurel32 | uint8_t index; |
143 | 0add30cf | aurel32 | unsigned int color; |
144 | 0add30cf | aurel32 | if (unlikely((y >= ycursor && y < ycursor + 64) && |
145 | 0add30cf | aurel32 | (x >= xcursor && x < xcursor + 64))) {
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146 | 0add30cf | aurel32 | /* pointer area */
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147 | 0add30cf | aurel32 | int xdiff = x - xcursor;
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148 | 0add30cf | aurel32 | uint16_t curs = s->cursor[(y - ycursor) * 8 + xdiff / 8]; |
149 | 0add30cf | aurel32 | int op = (curs >> ((xdiff & 7) * 2)) & 3; |
150 | 0add30cf | aurel32 | if (likely(op == 0)) { |
151 | 0add30cf | aurel32 | /* transparent */
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152 | 0add30cf | aurel32 | index = *vram; |
153 | 0add30cf | aurel32 | color = (*rgb_to_pixel)( |
154 | 0add30cf | aurel32 | s->color_palette[index][0],
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155 | 0add30cf | aurel32 | s->color_palette[index][1],
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156 | 0add30cf | aurel32 | s->color_palette[index][2]);
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157 | 0add30cf | aurel32 | } else {
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158 | 0add30cf | aurel32 | /* get cursor color */
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159 | 0add30cf | aurel32 | index = op - 1;
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160 | 0add30cf | aurel32 | color = (*rgb_to_pixel)( |
161 | 0add30cf | aurel32 | s->cursor_palette[index][0],
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162 | 0add30cf | aurel32 | s->cursor_palette[index][1],
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163 | 0add30cf | aurel32 | s->cursor_palette[index][2]);
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164 | 0add30cf | aurel32 | } |
165 | 0add30cf | aurel32 | } else {
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166 | 0add30cf | aurel32 | /* normal area */
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167 | 0add30cf | aurel32 | index = *vram; |
168 | 0add30cf | aurel32 | color = (*rgb_to_pixel)( |
169 | 0add30cf | aurel32 | s->color_palette[index][0],
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170 | 0add30cf | aurel32 | s->color_palette[index][1],
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171 | 0add30cf | aurel32 | s->color_palette[index][2]);
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172 | 0add30cf | aurel32 | } |
173 | 0add30cf | aurel32 | memcpy(dd, &color, w); |
174 | 0add30cf | aurel32 | dd += w; |
175 | 0add30cf | aurel32 | x++; |
176 | 0add30cf | aurel32 | vram++; |
177 | 0add30cf | aurel32 | if (x == s->width) {
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178 | 0add30cf | aurel32 | xmax = s->width - 1;
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179 | 0add30cf | aurel32 | y++; |
180 | 0add30cf | aurel32 | if (y == s->height) {
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181 | 0add30cf | aurel32 | ymax = s->height - 1;
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182 | 0add30cf | aurel32 | goto done;
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183 | 0add30cf | aurel32 | } |
184 | 0add30cf | aurel32 | data_display = dd = data_display + ds_get_linesize(s->ds); |
185 | 0add30cf | aurel32 | xmin = 0;
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186 | 0add30cf | aurel32 | x = 0;
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187 | 0add30cf | aurel32 | } |
188 | 0add30cf | aurel32 | } |
189 | 0add30cf | aurel32 | if (x > xmax)
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190 | 0add30cf | aurel32 | xmax = x; |
191 | 0add30cf | aurel32 | if (y > ymax)
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192 | 0add30cf | aurel32 | ymax = y; |
193 | 0add30cf | aurel32 | } else {
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194 | 0add30cf | aurel32 | int dy;
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195 | c227f099 | Anthony Liguori | if (page_min != (ram_addr_t)-1) { |
196 | 0add30cf | aurel32 | reset_dirty(s, page_min, page_max); |
197 | c227f099 | Anthony Liguori | page_min = (ram_addr_t)-1;
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198 | 0add30cf | aurel32 | page_max = 0;
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199 | 0add30cf | aurel32 | dpy_update(s->ds, xmin, ymin, xmax - xmin + 1, ymax - ymin + 1); |
200 | 0add30cf | aurel32 | xmin = s->width; |
201 | 0add30cf | aurel32 | xmax = 0;
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202 | 0add30cf | aurel32 | ymin = s->height; |
203 | 0add30cf | aurel32 | ymax = 0;
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204 | 0add30cf | aurel32 | } |
205 | 1213406b | Blue Swirl | x += G364_PAGE_SIZE; |
206 | 0add30cf | aurel32 | dy = x / s->width; |
207 | 0add30cf | aurel32 | x = x % s->width; |
208 | 0add30cf | aurel32 | y += dy; |
209 | 1213406b | Blue Swirl | vram += G364_PAGE_SIZE; |
210 | 0add30cf | aurel32 | data_display += dy * ds_get_linesize(s->ds); |
211 | 0add30cf | aurel32 | dd = data_display + x * w; |
212 | 0add30cf | aurel32 | } |
213 | 1213406b | Blue Swirl | page += G364_PAGE_SIZE; |
214 | 0add30cf | aurel32 | } |
215 | 0add30cf | aurel32 | |
216 | 0add30cf | aurel32 | done:
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217 | c227f099 | Anthony Liguori | if (page_min != (ram_addr_t)-1) { |
218 | 0add30cf | aurel32 | dpy_update(s->ds, xmin, ymin, xmax - xmin + 1, ymax - ymin + 1); |
219 | 0add30cf | aurel32 | reset_dirty(s, page_min, page_max); |
220 | 0add30cf | aurel32 | } |
221 | 1fc3d392 | aurel32 | } |
222 | 1fc3d392 | aurel32 | |
223 | 0add30cf | aurel32 | static void g364fb_draw_blank(G364State *s) |
224 | 1fc3d392 | aurel32 | { |
225 | 1fc3d392 | aurel32 | int i, w;
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226 | 1fc3d392 | aurel32 | uint8_t *d; |
227 | 1fc3d392 | aurel32 | |
228 | 0add30cf | aurel32 | if (s->blanked) {
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229 | 0add30cf | aurel32 | /* Screen is already blank. No need to redraw it */
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230 | 1fc3d392 | aurel32 | return;
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231 | 0add30cf | aurel32 | } |
232 | 1fc3d392 | aurel32 | |
233 | 0add30cf | aurel32 | w = s->width * ((ds_get_bits_per_pixel(s->ds) + 7) >> 3); |
234 | 0e1f5a0c | aliguori | d = ds_get_data(s->ds); |
235 | 0add30cf | aurel32 | for (i = 0; i < s->height; i++) { |
236 | 1fc3d392 | aurel32 | memset(d, 0, w);
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237 | 0e1f5a0c | aliguori | d += ds_get_linesize(s->ds); |
238 | 1fc3d392 | aurel32 | } |
239 | 221bb2d5 | aurel32 | |
240 | 0add30cf | aurel32 | dpy_update(s->ds, 0, 0, s->width, s->height); |
241 | 0add30cf | aurel32 | s->blanked = 1;
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242 | 1fc3d392 | aurel32 | } |
243 | 1fc3d392 | aurel32 | |
244 | 1fc3d392 | aurel32 | static void g364fb_update_display(void *opaque) |
245 | 1fc3d392 | aurel32 | { |
246 | 1fc3d392 | aurel32 | G364State *s = opaque; |
247 | 1fc3d392 | aurel32 | |
248 | e9a07334 | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
249 | e9a07334 | Jan Kiszka | |
250 | 0add30cf | aurel32 | if (s->width == 0 || s->height == 0) |
251 | 221bb2d5 | aurel32 | return;
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252 | 221bb2d5 | aurel32 | |
253 | 0add30cf | aurel32 | if (s->width != ds_get_width(s->ds) || s->height != ds_get_height(s->ds)) {
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254 | 0add30cf | aurel32 | qemu_console_resize(s->ds, s->width, s->height); |
255 | 221bb2d5 | aurel32 | } |
256 | 0add30cf | aurel32 | |
257 | 0add30cf | aurel32 | if (s->ctla & CTLA_FORCE_BLANK) {
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258 | 0add30cf | aurel32 | g364fb_draw_blank(s); |
259 | 0add30cf | aurel32 | } else if (s->depth == 8) { |
260 | 0add30cf | aurel32 | g364fb_draw_graphic8(s); |
261 | 0add30cf | aurel32 | } else {
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262 | b213b370 | Hervé Poussineau | error_report("g364: unknown guest depth %d", s->depth);
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263 | 1fc3d392 | aurel32 | } |
264 | 0add30cf | aurel32 | |
265 | 0add30cf | aurel32 | qemu_irq_raise(s->irq); |
266 | 1fc3d392 | aurel32 | } |
267 | 1fc3d392 | aurel32 | |
268 | 86178a57 | Juan Quintela | static inline void g364fb_invalidate_display(void *opaque) |
269 | 1fc3d392 | aurel32 | { |
270 | 1fc3d392 | aurel32 | G364State *s = opaque; |
271 | 0add30cf | aurel32 | int i;
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272 | 0add30cf | aurel32 | |
273 | 0add30cf | aurel32 | s->blanked = 0;
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274 | 1213406b | Blue Swirl | for (i = 0; i < s->vram_size; i += G364_PAGE_SIZE) { |
275 | 97a3f6ff | Hervé Poussineau | memory_region_set_dirty(&s->mem_vram, i); |
276 | 0add30cf | aurel32 | } |
277 | 1fc3d392 | aurel32 | } |
278 | 1fc3d392 | aurel32 | |
279 | 97a3f6ff | Hervé Poussineau | static void g364fb_reset(G364State *s) |
280 | 1fc3d392 | aurel32 | { |
281 | 0add30cf | aurel32 | qemu_irq_lower(s->irq); |
282 | 0add30cf | aurel32 | |
283 | 0add30cf | aurel32 | memset(s->color_palette, 0, sizeof(s->color_palette)); |
284 | 0add30cf | aurel32 | memset(s->cursor_palette, 0, sizeof(s->cursor_palette)); |
285 | 0add30cf | aurel32 | memset(s->cursor, 0, sizeof(s->cursor)); |
286 | 0add30cf | aurel32 | s->cursor_position = 0;
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287 | 0add30cf | aurel32 | s->ctla = 0;
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288 | 0add30cf | aurel32 | s->top_of_screen = 0;
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289 | 0add30cf | aurel32 | s->width = s->height = 0;
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290 | 0add30cf | aurel32 | memset(s->vram, 0, s->vram_size);
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291 | 97a3f6ff | Hervé Poussineau | g364fb_invalidate_display(s); |
292 | 1fc3d392 | aurel32 | } |
293 | 1fc3d392 | aurel32 | |
294 | 1fc3d392 | aurel32 | static void g364fb_screen_dump(void *opaque, const char *filename) |
295 | 1fc3d392 | aurel32 | { |
296 | 1fc3d392 | aurel32 | G364State *s = opaque; |
297 | 1fc3d392 | aurel32 | int y, x;
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298 | 1fc3d392 | aurel32 | uint8_t index; |
299 | 1fc3d392 | aurel32 | uint8_t *data_buffer; |
300 | 1fc3d392 | aurel32 | FILE *f; |
301 | 1fc3d392 | aurel32 | |
302 | e9a07334 | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
303 | e9a07334 | Jan Kiszka | |
304 | 0add30cf | aurel32 | if (s->depth != 8) { |
305 | b213b370 | Hervé Poussineau | error_report("g364: unknown guest depth %d", s->depth);
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306 | 0add30cf | aurel32 | return;
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307 | 0add30cf | aurel32 | } |
308 | 0add30cf | aurel32 | |
309 | 1fc3d392 | aurel32 | f = fopen(filename, "wb");
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310 | 1fc3d392 | aurel32 | if (!f)
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311 | 1fc3d392 | aurel32 | return;
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312 | 1fc3d392 | aurel32 | |
313 | 0add30cf | aurel32 | if (s->ctla & CTLA_FORCE_BLANK) {
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314 | 0add30cf | aurel32 | /* blank screen */
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315 | 0add30cf | aurel32 | fprintf(f, "P4\n%d %d\n",
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316 | 0add30cf | aurel32 | s->width, s->height); |
317 | 0add30cf | aurel32 | for (y = 0; y < s->height; y++) |
318 | 0add30cf | aurel32 | for (x = 0; x < s->width; x++) |
319 | 0add30cf | aurel32 | fputc(0, f);
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320 | 0add30cf | aurel32 | } else {
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321 | 0add30cf | aurel32 | data_buffer = s->vram + s->top_of_screen; |
322 | 0add30cf | aurel32 | fprintf(f, "P6\n%d %d\n%d\n",
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323 | 0add30cf | aurel32 | s->width, s->height, 255);
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324 | 0add30cf | aurel32 | for (y = 0; y < s->height; y++) |
325 | 0add30cf | aurel32 | for (x = 0; x < s->width; x++, data_buffer++) { |
326 | 0add30cf | aurel32 | index = *data_buffer; |
327 | 0add30cf | aurel32 | fputc(s->color_palette[index][0], f);
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328 | 0add30cf | aurel32 | fputc(s->color_palette[index][1], f);
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329 | 0add30cf | aurel32 | fputc(s->color_palette[index][2], f);
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330 | 1fc3d392 | aurel32 | } |
331 | 0add30cf | aurel32 | } |
332 | 0add30cf | aurel32 | |
333 | 1fc3d392 | aurel32 | fclose(f); |
334 | 1fc3d392 | aurel32 | } |
335 | 1fc3d392 | aurel32 | |
336 | 1fc3d392 | aurel32 | /* called for accesses to io ports */
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337 | 97a3f6ff | Hervé Poussineau | static uint64_t g364fb_ctrl_read(void *opaque, |
338 | 97a3f6ff | Hervé Poussineau | target_phys_addr_t addr, |
339 | 97a3f6ff | Hervé Poussineau | unsigned int size) |
340 | 1fc3d392 | aurel32 | { |
341 | 0add30cf | aurel32 | G364State *s = opaque; |
342 | 1fc3d392 | aurel32 | uint32_t val; |
343 | 1fc3d392 | aurel32 | |
344 | 0add30cf | aurel32 | if (addr >= REG_CURS_PAT && addr < REG_CURS_PAT + 0x1000) { |
345 | 0add30cf | aurel32 | /* cursor pattern */
|
346 | 0add30cf | aurel32 | int idx = (addr - REG_CURS_PAT) >> 3; |
347 | 0add30cf | aurel32 | val = s->cursor[idx]; |
348 | 0add30cf | aurel32 | } else if (addr >= REG_CURS_PAL && addr < REG_CURS_PAL + 0x18) { |
349 | 0add30cf | aurel32 | /* cursor palette */
|
350 | 0add30cf | aurel32 | int idx = (addr - REG_CURS_PAL) >> 3; |
351 | 0add30cf | aurel32 | val = ((uint32_t)s->cursor_palette[idx][0] << 16); |
352 | 0add30cf | aurel32 | val |= ((uint32_t)s->cursor_palette[idx][1] << 8); |
353 | 0add30cf | aurel32 | val |= ((uint32_t)s->cursor_palette[idx][2] << 0); |
354 | 0add30cf | aurel32 | } else {
|
355 | 0add30cf | aurel32 | switch (addr) {
|
356 | 0add30cf | aurel32 | case REG_DISPLAY:
|
357 | 0add30cf | aurel32 | val = s->width / 4;
|
358 | 0add30cf | aurel32 | break;
|
359 | 0add30cf | aurel32 | case REG_VDISPLAY:
|
360 | 0add30cf | aurel32 | val = s->height * 2;
|
361 | 0add30cf | aurel32 | break;
|
362 | 0add30cf | aurel32 | case REG_CTLA:
|
363 | 0add30cf | aurel32 | val = s->ctla; |
364 | 0add30cf | aurel32 | break;
|
365 | 0add30cf | aurel32 | default:
|
366 | 0add30cf | aurel32 | { |
367 | b213b370 | Hervé Poussineau | error_report("g364: invalid read at [" TARGET_FMT_plx "]", |
368 | b213b370 | Hervé Poussineau | addr); |
369 | 0add30cf | aurel32 | val = 0;
|
370 | 0add30cf | aurel32 | break;
|
371 | 0add30cf | aurel32 | } |
372 | 0add30cf | aurel32 | } |
373 | 1fc3d392 | aurel32 | } |
374 | 1fc3d392 | aurel32 | |
375 | b213b370 | Hervé Poussineau | trace_g364fb_read(addr, val); |
376 | 1fc3d392 | aurel32 | |
377 | 1fc3d392 | aurel32 | return val;
|
378 | 1fc3d392 | aurel32 | } |
379 | 1fc3d392 | aurel32 | |
380 | 0add30cf | aurel32 | static void g364fb_update_depth(G364State *s) |
381 | 1fc3d392 | aurel32 | { |
382 | 38972938 | Juan Quintela | static const int depths[8] = { 1, 2, 4, 8, 15, 16, 0 }; |
383 | 0add30cf | aurel32 | s->depth = depths[(s->ctla & 0x00700000) >> 20]; |
384 | 0add30cf | aurel32 | } |
385 | 1fc3d392 | aurel32 | |
386 | 0add30cf | aurel32 | static void g364_invalidate_cursor_position(G364State *s) |
387 | 0add30cf | aurel32 | { |
388 | 0add30cf | aurel32 | int ymin, ymax, start, end, i;
|
389 | 1fc3d392 | aurel32 | |
390 | 0add30cf | aurel32 | /* invalidate only near the cursor */
|
391 | 0add30cf | aurel32 | ymin = s->cursor_position & 0xfff;
|
392 | 0add30cf | aurel32 | ymax = MIN(s->height, ymin + 64);
|
393 | 0add30cf | aurel32 | start = ymin * ds_get_linesize(s->ds); |
394 | 0add30cf | aurel32 | end = (ymax + 1) * ds_get_linesize(s->ds);
|
395 | 1fc3d392 | aurel32 | |
396 | 1213406b | Blue Swirl | for (i = start; i < end; i += G364_PAGE_SIZE) {
|
397 | 97a3f6ff | Hervé Poussineau | memory_region_set_dirty(&s->mem_vram, i); |
398 | 0add30cf | aurel32 | } |
399 | 0add30cf | aurel32 | } |
400 | 0add30cf | aurel32 | |
401 | 97a3f6ff | Hervé Poussineau | static void g364fb_ctrl_write(void *opaque, |
402 | 97a3f6ff | Hervé Poussineau | target_phys_addr_t addr, |
403 | 97a3f6ff | Hervé Poussineau | uint64_t val, |
404 | 97a3f6ff | Hervé Poussineau | unsigned int size) |
405 | 0add30cf | aurel32 | { |
406 | 0add30cf | aurel32 | G364State *s = opaque; |
407 | 0add30cf | aurel32 | |
408 | b213b370 | Hervé Poussineau | trace_g364fb_write(addr, val); |
409 | 0add30cf | aurel32 | |
410 | 0add30cf | aurel32 | if (addr >= REG_CLR_PAL && addr < REG_CLR_PAL + 0x800) { |
411 | 1fc3d392 | aurel32 | /* color palette */
|
412 | 0add30cf | aurel32 | int idx = (addr - REG_CLR_PAL) >> 3; |
413 | 0add30cf | aurel32 | s->color_palette[idx][0] = (val >> 16) & 0xff; |
414 | 0add30cf | aurel32 | s->color_palette[idx][1] = (val >> 8) & 0xff; |
415 | 0add30cf | aurel32 | s->color_palette[idx][2] = val & 0xff; |
416 | 0add30cf | aurel32 | g364fb_invalidate_display(s); |
417 | 0add30cf | aurel32 | } else if (addr >= REG_CURS_PAT && addr < REG_CURS_PAT + 0x1000) { |
418 | 0add30cf | aurel32 | /* cursor pattern */
|
419 | 0add30cf | aurel32 | int idx = (addr - REG_CURS_PAT) >> 3; |
420 | 0add30cf | aurel32 | s->cursor[idx] = val; |
421 | 0add30cf | aurel32 | g364fb_invalidate_display(s); |
422 | 0add30cf | aurel32 | } else if (addr >= REG_CURS_PAL && addr < REG_CURS_PAL + 0x18) { |
423 | 0add30cf | aurel32 | /* cursor palette */
|
424 | 0add30cf | aurel32 | int idx = (addr - REG_CURS_PAL) >> 3; |
425 | 0add30cf | aurel32 | s->cursor_palette[idx][0] = (val >> 16) & 0xff; |
426 | 0add30cf | aurel32 | s->cursor_palette[idx][1] = (val >> 8) & 0xff; |
427 | 0add30cf | aurel32 | s->cursor_palette[idx][2] = val & 0xff; |
428 | 0add30cf | aurel32 | g364fb_invalidate_display(s); |
429 | 1fc3d392 | aurel32 | } else {
|
430 | 1fc3d392 | aurel32 | switch (addr) {
|
431 | 97a3f6ff | Hervé Poussineau | case REG_BOOT: /* Boot timing */ |
432 | 97a3f6ff | Hervé Poussineau | case 0x00108: /* Line timing: half sync */ |
433 | 97a3f6ff | Hervé Poussineau | case 0x00110: /* Line timing: back porch */ |
434 | 97a3f6ff | Hervé Poussineau | case 0x00120: /* Line timing: short display */ |
435 | 97a3f6ff | Hervé Poussineau | case 0x00128: /* Frame timing: broad pulse */ |
436 | 97a3f6ff | Hervé Poussineau | case 0x00130: /* Frame timing: v sync */ |
437 | 97a3f6ff | Hervé Poussineau | case 0x00138: /* Frame timing: v preequalise */ |
438 | 97a3f6ff | Hervé Poussineau | case 0x00140: /* Frame timing: v postequalise */ |
439 | 97a3f6ff | Hervé Poussineau | case 0x00148: /* Frame timing: v blank */ |
440 | 97a3f6ff | Hervé Poussineau | case 0x00158: /* Line timing: line time */ |
441 | 97a3f6ff | Hervé Poussineau | case 0x00160: /* Frame store: line start */ |
442 | 97a3f6ff | Hervé Poussineau | case 0x00168: /* vram cycle: mem init */ |
443 | 97a3f6ff | Hervé Poussineau | case 0x00170: /* vram cycle: transfer delay */ |
444 | 97a3f6ff | Hervé Poussineau | case 0x00200: /* vram cycle: mask register */ |
445 | 97a3f6ff | Hervé Poussineau | /* ignore */
|
446 | 97a3f6ff | Hervé Poussineau | break;
|
447 | 97a3f6ff | Hervé Poussineau | case REG_TOP:
|
448 | 97a3f6ff | Hervé Poussineau | s->top_of_screen = val; |
449 | 97a3f6ff | Hervé Poussineau | g364fb_invalidate_display(s); |
450 | 97a3f6ff | Hervé Poussineau | break;
|
451 | 97a3f6ff | Hervé Poussineau | case REG_DISPLAY:
|
452 | 97a3f6ff | Hervé Poussineau | s->width = val * 4;
|
453 | 97a3f6ff | Hervé Poussineau | break;
|
454 | 97a3f6ff | Hervé Poussineau | case REG_VDISPLAY:
|
455 | 97a3f6ff | Hervé Poussineau | s->height = val / 2;
|
456 | 97a3f6ff | Hervé Poussineau | break;
|
457 | 97a3f6ff | Hervé Poussineau | case REG_CTLA:
|
458 | 97a3f6ff | Hervé Poussineau | s->ctla = val; |
459 | 97a3f6ff | Hervé Poussineau | g364fb_update_depth(s); |
460 | 97a3f6ff | Hervé Poussineau | g364fb_invalidate_display(s); |
461 | 97a3f6ff | Hervé Poussineau | break;
|
462 | 97a3f6ff | Hervé Poussineau | case REG_CURS_POS:
|
463 | 97a3f6ff | Hervé Poussineau | g364_invalidate_cursor_position(s); |
464 | 97a3f6ff | Hervé Poussineau | s->cursor_position = val; |
465 | 97a3f6ff | Hervé Poussineau | g364_invalidate_cursor_position(s); |
466 | 97a3f6ff | Hervé Poussineau | break;
|
467 | 97a3f6ff | Hervé Poussineau | case REG_RESET:
|
468 | 97a3f6ff | Hervé Poussineau | g364fb_reset(s); |
469 | 97a3f6ff | Hervé Poussineau | break;
|
470 | 97a3f6ff | Hervé Poussineau | default:
|
471 | 97a3f6ff | Hervé Poussineau | error_report("g364: invalid write of 0x%" PRIx64
|
472 | 97a3f6ff | Hervé Poussineau | " at [" TARGET_FMT_plx "]", val, addr); |
473 | 97a3f6ff | Hervé Poussineau | break;
|
474 | 1fc3d392 | aurel32 | } |
475 | 1fc3d392 | aurel32 | } |
476 | 0add30cf | aurel32 | qemu_irq_lower(s->irq); |
477 | 1fc3d392 | aurel32 | } |
478 | 1fc3d392 | aurel32 | |
479 | 97a3f6ff | Hervé Poussineau | static const MemoryRegionOps g364fb_ctrl_ops = { |
480 | 97a3f6ff | Hervé Poussineau | .read = g364fb_ctrl_read, |
481 | 97a3f6ff | Hervé Poussineau | .write = g364fb_ctrl_write, |
482 | 97a3f6ff | Hervé Poussineau | .endianness = DEVICE_LITTLE_ENDIAN, |
483 | 97a3f6ff | Hervé Poussineau | .impl.min_access_size = 4,
|
484 | 97a3f6ff | Hervé Poussineau | .impl.max_access_size = 4,
|
485 | 1fc3d392 | aurel32 | }; |
486 | 1fc3d392 | aurel32 | |
487 | 97a3f6ff | Hervé Poussineau | static int g364fb_post_load(void *opaque, int version_id) |
488 | 1fc3d392 | aurel32 | { |
489 | 1fc3d392 | aurel32 | G364State *s = opaque; |
490 | 0add30cf | aurel32 | |
491 | 0add30cf | aurel32 | /* force refresh */
|
492 | 0add30cf | aurel32 | g364fb_update_depth(s); |
493 | 0add30cf | aurel32 | g364fb_invalidate_display(s); |
494 | 1fc3d392 | aurel32 | |
495 | 0add30cf | aurel32 | return 0; |
496 | 1fc3d392 | aurel32 | } |
497 | 1fc3d392 | aurel32 | |
498 | 97a3f6ff | Hervé Poussineau | static const VMStateDescription vmstate_g364fb = { |
499 | 97a3f6ff | Hervé Poussineau | .name = "g364fb",
|
500 | 97a3f6ff | Hervé Poussineau | .version_id = 1,
|
501 | 97a3f6ff | Hervé Poussineau | .minimum_version_id = 1,
|
502 | 97a3f6ff | Hervé Poussineau | .minimum_version_id_old = 1,
|
503 | 97a3f6ff | Hervé Poussineau | .post_load = g364fb_post_load, |
504 | 97a3f6ff | Hervé Poussineau | .fields = (VMStateField[]) { |
505 | 97a3f6ff | Hervé Poussineau | VMSTATE_VBUFFER_UINT32(vram, G364State, 1, NULL, 0, vram_size), |
506 | 97a3f6ff | Hervé Poussineau | VMSTATE_BUFFER_UNSAFE(color_palette, G364State, 0, 256 * 3), |
507 | 97a3f6ff | Hervé Poussineau | VMSTATE_BUFFER_UNSAFE(cursor_palette, G364State, 0, 9), |
508 | 97a3f6ff | Hervé Poussineau | VMSTATE_UINT16_ARRAY(cursor, G364State, 512),
|
509 | 97a3f6ff | Hervé Poussineau | VMSTATE_UINT32(cursor_position, G364State), |
510 | 97a3f6ff | Hervé Poussineau | VMSTATE_UINT32(ctla, G364State), |
511 | 97a3f6ff | Hervé Poussineau | VMSTATE_UINT32(top_of_screen, G364State), |
512 | 97a3f6ff | Hervé Poussineau | VMSTATE_UINT32(width, G364State), |
513 | 97a3f6ff | Hervé Poussineau | VMSTATE_UINT32(height, G364State), |
514 | 97a3f6ff | Hervé Poussineau | VMSTATE_END_OF_LIST() |
515 | 97a3f6ff | Hervé Poussineau | } |
516 | 97a3f6ff | Hervé Poussineau | }; |
517 | 1fc3d392 | aurel32 | |
518 | 97a3f6ff | Hervé Poussineau | static void g364fb_init(DeviceState *dev, G364State *s) |
519 | 1fc3d392 | aurel32 | { |
520 | 97a3f6ff | Hervé Poussineau | s->vram = g_malloc0(s->vram_size); |
521 | 1fc3d392 | aurel32 | |
522 | 3023f332 | aliguori | s->ds = graphic_console_init(g364fb_update_display, |
523 | 3023f332 | aliguori | g364fb_invalidate_display, |
524 | 3023f332 | aliguori | g364fb_screen_dump, NULL, s);
|
525 | 1fc3d392 | aurel32 | |
526 | 97a3f6ff | Hervé Poussineau | memory_region_init_io(&s->mem_ctrl, &g364fb_ctrl_ops, s, "ctrl", 0x180000); |
527 | 97a3f6ff | Hervé Poussineau | memory_region_init_ram_ptr(&s->mem_vram, dev, "vram",
|
528 | 97a3f6ff | Hervé Poussineau | s->vram_size, s->vram); |
529 | 97a3f6ff | Hervé Poussineau | memory_region_set_coalescing(&s->mem_vram); |
530 | 97a3f6ff | Hervé Poussineau | } |
531 | 97a3f6ff | Hervé Poussineau | |
532 | 97a3f6ff | Hervé Poussineau | typedef struct { |
533 | 97a3f6ff | Hervé Poussineau | SysBusDevice busdev; |
534 | 97a3f6ff | Hervé Poussineau | G364State g364; |
535 | 97a3f6ff | Hervé Poussineau | } G364SysBusState; |
536 | 1fc3d392 | aurel32 | |
537 | 97a3f6ff | Hervé Poussineau | static int g364fb_sysbus_init(SysBusDevice *dev) |
538 | 97a3f6ff | Hervé Poussineau | { |
539 | 97a3f6ff | Hervé Poussineau | G364State *s = &FROM_SYSBUS(G364SysBusState, dev)->g364; |
540 | 97a3f6ff | Hervé Poussineau | |
541 | 97a3f6ff | Hervé Poussineau | g364fb_init(&dev->qdev, s); |
542 | 97a3f6ff | Hervé Poussineau | sysbus_init_irq(dev, &s->irq); |
543 | 97a3f6ff | Hervé Poussineau | sysbus_init_mmio_region(dev, &s->mem_ctrl); |
544 | 97a3f6ff | Hervé Poussineau | sysbus_init_mmio_region(dev, &s->mem_vram); |
545 | 1fc3d392 | aurel32 | |
546 | 1fc3d392 | aurel32 | return 0; |
547 | 1fc3d392 | aurel32 | } |
548 | 97a3f6ff | Hervé Poussineau | |
549 | 97a3f6ff | Hervé Poussineau | static void g364fb_sysbus_reset(DeviceState *d) |
550 | 97a3f6ff | Hervé Poussineau | { |
551 | 97a3f6ff | Hervé Poussineau | G364SysBusState *s = DO_UPCAST(G364SysBusState, busdev.qdev, d); |
552 | 97a3f6ff | Hervé Poussineau | g364fb_reset(&s->g364); |
553 | 97a3f6ff | Hervé Poussineau | } |
554 | 97a3f6ff | Hervé Poussineau | |
555 | 97a3f6ff | Hervé Poussineau | static SysBusDeviceInfo g364fb_sysbus_info = {
|
556 | 97a3f6ff | Hervé Poussineau | .init = g364fb_sysbus_init, |
557 | 97a3f6ff | Hervé Poussineau | .qdev.name = "sysbus-g364",
|
558 | 97a3f6ff | Hervé Poussineau | .qdev.desc = "G364 framebuffer",
|
559 | 97a3f6ff | Hervé Poussineau | .qdev.size = sizeof(G364SysBusState),
|
560 | 97a3f6ff | Hervé Poussineau | .qdev.vmsd = &vmstate_g364fb, |
561 | 97a3f6ff | Hervé Poussineau | .qdev.reset = g364fb_sysbus_reset, |
562 | 97a3f6ff | Hervé Poussineau | .qdev.props = (Property[]) { |
563 | 97a3f6ff | Hervé Poussineau | DEFINE_PROP_HEX32("vram_size", G364SysBusState, g364.vram_size,
|
564 | 97a3f6ff | Hervé Poussineau | 8 * 1024 * 1024), |
565 | 97a3f6ff | Hervé Poussineau | DEFINE_PROP_END_OF_LIST(), |
566 | 97a3f6ff | Hervé Poussineau | } |
567 | 97a3f6ff | Hervé Poussineau | }; |
568 | 97a3f6ff | Hervé Poussineau | |
569 | 97a3f6ff | Hervé Poussineau | static void g364fb_register(void) |
570 | 97a3f6ff | Hervé Poussineau | { |
571 | 97a3f6ff | Hervé Poussineau | sysbus_register_withprop(&g364fb_sysbus_info); |
572 | 97a3f6ff | Hervé Poussineau | } |
573 | 97a3f6ff | Hervé Poussineau | |
574 | 97a3f6ff | Hervé Poussineau | device_init(g364fb_register); |