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1 | e89f66ec | bellard | /*
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2 | 4fa0f5d2 | bellard | * QEMU VGA Emulator.
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3 | 5fafdf24 | ths | *
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4 | e89f66ec | bellard | * Copyright (c) 2003 Fabrice Bellard
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5 | 5fafdf24 | ths | *
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6 | e89f66ec | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | e89f66ec | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | e89f66ec | bellard | * in the Software without restriction, including without limitation the rights
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9 | e89f66ec | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | e89f66ec | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | e89f66ec | bellard | * furnished to do so, subject to the following conditions:
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12 | e89f66ec | bellard | *
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13 | e89f66ec | bellard | * The above copyright notice and this permission notice shall be included in
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14 | e89f66ec | bellard | * all copies or substantial portions of the Software.
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15 | e89f66ec | bellard | *
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16 | e89f66ec | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | e89f66ec | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | e89f66ec | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | e89f66ec | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | e89f66ec | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | e89f66ec | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | e89f66ec | bellard | * THE SOFTWARE.
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23 | e89f66ec | bellard | */
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24 | 87ecb68b | pbrook | #include "hw.h" |
25 | 5e55efc9 | Blue Swirl | #include "vga.h" |
26 | 87ecb68b | pbrook | #include "console.h" |
27 | 87ecb68b | pbrook | #include "pc.h" |
28 | 87ecb68b | pbrook | #include "pci.h" |
29 | 798b0c25 | bellard | #include "vga_int.h" |
30 | 94470844 | blueswir1 | #include "pixel_ops.h" |
31 | cb5a7aa8 | malc | #include "qemu-timer.h" |
32 | c65adf9b | Avi Kivity | #include "xen.h" |
33 | 72750018 | Alon Levy | #include "trace.h" |
34 | e89f66ec | bellard | |
35 | e89f66ec | bellard | //#define DEBUG_VGA
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36 | 17b0018b | bellard | //#define DEBUG_VGA_MEM
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37 | a41bc9af | bellard | //#define DEBUG_VGA_REG
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38 | a41bc9af | bellard | |
39 | 4fa0f5d2 | bellard | //#define DEBUG_BOCHS_VBE
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40 | 4fa0f5d2 | bellard | |
41 | 9aa0ff0b | Jan Kiszka | /* 16 state changes per vertical frame @60 Hz */
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42 | 9aa0ff0b | Jan Kiszka | #define VGA_TEXT_CURSOR_PERIOD_MS (1000 * 2 * 16 / 60) |
43 | 9aa0ff0b | Jan Kiszka | |
44 | 47c012e2 | Blue Swirl | /*
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45 | 47c012e2 | Blue Swirl | * Video Graphics Array (VGA)
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46 | 47c012e2 | Blue Swirl | *
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47 | 47c012e2 | Blue Swirl | * Chipset docs for original IBM VGA:
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48 | 47c012e2 | Blue Swirl | * http://www.mcamafia.de/pdf/ibm_vgaxga_trm2.pdf
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49 | 47c012e2 | Blue Swirl | *
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50 | 47c012e2 | Blue Swirl | * FreeVGA site:
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51 | 47c012e2 | Blue Swirl | * http://www.osdever.net/FreeVGA/home.htm
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52 | 47c012e2 | Blue Swirl | *
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53 | 47c012e2 | Blue Swirl | * Standard VGA features and Bochs VBE extensions are implemented.
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54 | 47c012e2 | Blue Swirl | */
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55 | 47c012e2 | Blue Swirl | |
56 | e89f66ec | bellard | /* force some bits to zero */
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57 | 798b0c25 | bellard | const uint8_t sr_mask[8] = { |
58 | 9e622b15 | blueswir1 | 0x03,
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59 | 9e622b15 | blueswir1 | 0x3d,
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60 | 9e622b15 | blueswir1 | 0x0f,
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61 | 9e622b15 | blueswir1 | 0x3f,
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62 | 9e622b15 | blueswir1 | 0x0e,
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63 | 9e622b15 | blueswir1 | 0x00,
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64 | 9e622b15 | blueswir1 | 0x00,
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65 | 9e622b15 | blueswir1 | 0xff,
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66 | e89f66ec | bellard | }; |
67 | e89f66ec | bellard | |
68 | 798b0c25 | bellard | const uint8_t gr_mask[16] = { |
69 | 9e622b15 | blueswir1 | 0x0f, /* 0x00 */ |
70 | 9e622b15 | blueswir1 | 0x0f, /* 0x01 */ |
71 | 9e622b15 | blueswir1 | 0x0f, /* 0x02 */ |
72 | 9e622b15 | blueswir1 | 0x1f, /* 0x03 */ |
73 | 9e622b15 | blueswir1 | 0x03, /* 0x04 */ |
74 | 9e622b15 | blueswir1 | 0x7b, /* 0x05 */ |
75 | 9e622b15 | blueswir1 | 0x0f, /* 0x06 */ |
76 | 9e622b15 | blueswir1 | 0x0f, /* 0x07 */ |
77 | 9e622b15 | blueswir1 | 0xff, /* 0x08 */ |
78 | 9e622b15 | blueswir1 | 0x00, /* 0x09 */ |
79 | 9e622b15 | blueswir1 | 0x00, /* 0x0a */ |
80 | 9e622b15 | blueswir1 | 0x00, /* 0x0b */ |
81 | 9e622b15 | blueswir1 | 0x00, /* 0x0c */ |
82 | 9e622b15 | blueswir1 | 0x00, /* 0x0d */ |
83 | 9e622b15 | blueswir1 | 0x00, /* 0x0e */ |
84 | 9e622b15 | blueswir1 | 0x00, /* 0x0f */ |
85 | e89f66ec | bellard | }; |
86 | e89f66ec | bellard | |
87 | e89f66ec | bellard | #define cbswap_32(__x) \
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88 | e89f66ec | bellard | ((uint32_t)( \ |
89 | e89f66ec | bellard | (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \ |
90 | e89f66ec | bellard | (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \ |
91 | e89f66ec | bellard | (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \ |
92 | e89f66ec | bellard | (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )) |
93 | e89f66ec | bellard | |
94 | e2542fe2 | Juan Quintela | #ifdef HOST_WORDS_BIGENDIAN
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95 | e89f66ec | bellard | #define PAT(x) cbswap_32(x)
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96 | e89f66ec | bellard | #else
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97 | e89f66ec | bellard | #define PAT(x) (x)
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98 | e89f66ec | bellard | #endif
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99 | e89f66ec | bellard | |
100 | e2542fe2 | Juan Quintela | #ifdef HOST_WORDS_BIGENDIAN
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101 | b8ed223b | bellard | #define BIG 1 |
102 | b8ed223b | bellard | #else
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103 | b8ed223b | bellard | #define BIG 0 |
104 | b8ed223b | bellard | #endif
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105 | b8ed223b | bellard | |
106 | e2542fe2 | Juan Quintela | #ifdef HOST_WORDS_BIGENDIAN
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107 | b8ed223b | bellard | #define GET_PLANE(data, p) (((data) >> (24 - (p) * 8)) & 0xff) |
108 | b8ed223b | bellard | #else
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109 | b8ed223b | bellard | #define GET_PLANE(data, p) (((data) >> ((p) * 8)) & 0xff) |
110 | b8ed223b | bellard | #endif
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111 | b8ed223b | bellard | |
112 | e89f66ec | bellard | static const uint32_t mask16[16] = { |
113 | e89f66ec | bellard | PAT(0x00000000),
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114 | e89f66ec | bellard | PAT(0x000000ff),
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115 | e89f66ec | bellard | PAT(0x0000ff00),
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116 | e89f66ec | bellard | PAT(0x0000ffff),
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117 | e89f66ec | bellard | PAT(0x00ff0000),
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118 | e89f66ec | bellard | PAT(0x00ff00ff),
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119 | e89f66ec | bellard | PAT(0x00ffff00),
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120 | e89f66ec | bellard | PAT(0x00ffffff),
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121 | e89f66ec | bellard | PAT(0xff000000),
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122 | e89f66ec | bellard | PAT(0xff0000ff),
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123 | e89f66ec | bellard | PAT(0xff00ff00),
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124 | e89f66ec | bellard | PAT(0xff00ffff),
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125 | e89f66ec | bellard | PAT(0xffff0000),
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126 | e89f66ec | bellard | PAT(0xffff00ff),
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127 | e89f66ec | bellard | PAT(0xffffff00),
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128 | e89f66ec | bellard | PAT(0xffffffff),
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129 | e89f66ec | bellard | }; |
130 | e89f66ec | bellard | |
131 | e89f66ec | bellard | #undef PAT
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132 | e89f66ec | bellard | |
133 | e2542fe2 | Juan Quintela | #ifdef HOST_WORDS_BIGENDIAN
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134 | e89f66ec | bellard | #define PAT(x) (x)
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135 | e89f66ec | bellard | #else
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136 | e89f66ec | bellard | #define PAT(x) cbswap_32(x)
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137 | e89f66ec | bellard | #endif
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138 | e89f66ec | bellard | |
139 | e89f66ec | bellard | static const uint32_t dmask16[16] = { |
140 | e89f66ec | bellard | PAT(0x00000000),
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141 | e89f66ec | bellard | PAT(0x000000ff),
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142 | e89f66ec | bellard | PAT(0x0000ff00),
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143 | e89f66ec | bellard | PAT(0x0000ffff),
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144 | e89f66ec | bellard | PAT(0x00ff0000),
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145 | e89f66ec | bellard | PAT(0x00ff00ff),
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146 | e89f66ec | bellard | PAT(0x00ffff00),
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147 | e89f66ec | bellard | PAT(0x00ffffff),
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148 | e89f66ec | bellard | PAT(0xff000000),
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149 | e89f66ec | bellard | PAT(0xff0000ff),
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150 | e89f66ec | bellard | PAT(0xff00ff00),
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151 | e89f66ec | bellard | PAT(0xff00ffff),
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152 | e89f66ec | bellard | PAT(0xffff0000),
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153 | e89f66ec | bellard | PAT(0xffff00ff),
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154 | e89f66ec | bellard | PAT(0xffffff00),
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155 | e89f66ec | bellard | PAT(0xffffffff),
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156 | e89f66ec | bellard | }; |
157 | e89f66ec | bellard | |
158 | e89f66ec | bellard | static const uint32_t dmask4[4] = { |
159 | e89f66ec | bellard | PAT(0x00000000),
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160 | e89f66ec | bellard | PAT(0x0000ffff),
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161 | e89f66ec | bellard | PAT(0xffff0000),
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162 | e89f66ec | bellard | PAT(0xffffffff),
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163 | e89f66ec | bellard | }; |
164 | e89f66ec | bellard | |
165 | e89f66ec | bellard | static uint32_t expand4[256]; |
166 | e89f66ec | bellard | static uint16_t expand2[256]; |
167 | 17b0018b | bellard | static uint8_t expand4to8[16]; |
168 | e89f66ec | bellard | |
169 | d7098135 | Luiz Capitulino | static void vga_screen_dump(void *opaque, const char *filename, bool cswitch, |
170 | d7098135 | Luiz Capitulino | Error **errp); |
171 | 95219897 | pbrook | |
172 | 80763888 | Jan Kiszka | static void vga_update_memory_access(VGACommonState *s) |
173 | 80763888 | Jan Kiszka | { |
174 | 80763888 | Jan Kiszka | MemoryRegion *region, *old_region = s->chain4_alias; |
175 | 80763888 | Jan Kiszka | target_phys_addr_t base, offset, size; |
176 | 80763888 | Jan Kiszka | |
177 | 80763888 | Jan Kiszka | s->chain4_alias = NULL;
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178 | 80763888 | Jan Kiszka | |
179 | 5e55efc9 | Blue Swirl | if ((s->sr[VGA_SEQ_PLANE_WRITE] & VGA_SR02_ALL_PLANES) ==
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180 | 5e55efc9 | Blue Swirl | VGA_SR02_ALL_PLANES && s->sr[VGA_SEQ_MEMORY_MODE] & VGA_SR04_CHN_4M) { |
181 | 80763888 | Jan Kiszka | offset = 0;
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182 | 5e55efc9 | Blue Swirl | switch ((s->gr[VGA_GFX_MISC] >> 2) & 3) { |
183 | 80763888 | Jan Kiszka | case 0: |
184 | 80763888 | Jan Kiszka | base = 0xa0000;
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185 | 80763888 | Jan Kiszka | size = 0x20000;
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186 | 80763888 | Jan Kiszka | break;
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187 | 80763888 | Jan Kiszka | case 1: |
188 | 80763888 | Jan Kiszka | base = 0xa0000;
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189 | 80763888 | Jan Kiszka | size = 0x10000;
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190 | 80763888 | Jan Kiszka | offset = s->bank_offset; |
191 | 80763888 | Jan Kiszka | break;
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192 | 80763888 | Jan Kiszka | case 2: |
193 | 80763888 | Jan Kiszka | base = 0xb0000;
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194 | 80763888 | Jan Kiszka | size = 0x8000;
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195 | 80763888 | Jan Kiszka | break;
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196 | 80763888 | Jan Kiszka | case 3: |
197 | f065aa0a | Jan Kiszka | default:
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198 | 80763888 | Jan Kiszka | base = 0xb8000;
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199 | 80763888 | Jan Kiszka | size = 0x8000;
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200 | 80763888 | Jan Kiszka | break;
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201 | 80763888 | Jan Kiszka | } |
202 | 71579cae | Jan Kiszka | base += isa_mem_base; |
203 | 80763888 | Jan Kiszka | region = g_malloc(sizeof(*region));
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204 | 80763888 | Jan Kiszka | memory_region_init_alias(region, "vga.chain4", &s->vram, offset, size);
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205 | 80763888 | Jan Kiszka | memory_region_add_subregion_overlap(s->legacy_address_space, base, |
206 | 80763888 | Jan Kiszka | region, 2);
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207 | 80763888 | Jan Kiszka | s->chain4_alias = region; |
208 | 80763888 | Jan Kiszka | } |
209 | 80763888 | Jan Kiszka | if (old_region) {
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210 | 80763888 | Jan Kiszka | memory_region_del_subregion(s->legacy_address_space, old_region); |
211 | 80763888 | Jan Kiszka | memory_region_destroy(old_region); |
212 | 80763888 | Jan Kiszka | g_free(old_region); |
213 | 80763888 | Jan Kiszka | s->plane_updated = 0xf;
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214 | 80763888 | Jan Kiszka | } |
215 | 80763888 | Jan Kiszka | } |
216 | 80763888 | Jan Kiszka | |
217 | cedd91d2 | Juan Quintela | static void vga_dumb_update_retrace_info(VGACommonState *s) |
218 | cb5a7aa8 | malc | { |
219 | cb5a7aa8 | malc | (void) s;
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220 | cb5a7aa8 | malc | } |
221 | cb5a7aa8 | malc | |
222 | cedd91d2 | Juan Quintela | static void vga_precise_update_retrace_info(VGACommonState *s) |
223 | cb5a7aa8 | malc | { |
224 | cb5a7aa8 | malc | int htotal_chars;
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225 | cb5a7aa8 | malc | int hretr_start_char;
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226 | cb5a7aa8 | malc | int hretr_skew_chars;
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227 | cb5a7aa8 | malc | int hretr_end_char;
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228 | cb5a7aa8 | malc | |
229 | cb5a7aa8 | malc | int vtotal_lines;
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230 | cb5a7aa8 | malc | int vretr_start_line;
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231 | cb5a7aa8 | malc | int vretr_end_line;
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232 | cb5a7aa8 | malc | |
233 | 7f5b7d3e | Blue Swirl | int dots;
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234 | 7f5b7d3e | Blue Swirl | #if 0
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235 | 7f5b7d3e | Blue Swirl | int div2, sldiv2;
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236 | 7f5b7d3e | Blue Swirl | #endif
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237 | cb5a7aa8 | malc | int clocking_mode;
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238 | cb5a7aa8 | malc | int clock_sel;
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239 | b0f74c87 | balrog | const int clk_hz[] = {25175000, 28322000, 25175000, 25175000}; |
240 | cb5a7aa8 | malc | int64_t chars_per_sec; |
241 | cb5a7aa8 | malc | struct vga_precise_retrace *r = &s->retrace_info.precise;
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242 | cb5a7aa8 | malc | |
243 | 5e55efc9 | Blue Swirl | htotal_chars = s->cr[VGA_CRTC_H_TOTAL] + 5;
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244 | 5e55efc9 | Blue Swirl | hretr_start_char = s->cr[VGA_CRTC_H_SYNC_START]; |
245 | 5e55efc9 | Blue Swirl | hretr_skew_chars = (s->cr[VGA_CRTC_H_SYNC_END] >> 5) & 3; |
246 | 5e55efc9 | Blue Swirl | hretr_end_char = s->cr[VGA_CRTC_H_SYNC_END] & 0x1f;
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247 | cb5a7aa8 | malc | |
248 | 5e55efc9 | Blue Swirl | vtotal_lines = (s->cr[VGA_CRTC_V_TOTAL] | |
249 | 5e55efc9 | Blue Swirl | (((s->cr[VGA_CRTC_OVERFLOW] & 1) |
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250 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_OVERFLOW] >> 4) & 2)) << 8)) + 2; |
251 | 5e55efc9 | Blue Swirl | vretr_start_line = s->cr[VGA_CRTC_V_SYNC_START] | |
252 | 5e55efc9 | Blue Swirl | ((((s->cr[VGA_CRTC_OVERFLOW] >> 2) & 1) | |
253 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_OVERFLOW] >> 6) & 2)) << 8); |
254 | 5e55efc9 | Blue Swirl | vretr_end_line = s->cr[VGA_CRTC_V_SYNC_END] & 0xf;
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255 | cb5a7aa8 | malc | |
256 | 5e55efc9 | Blue Swirl | clocking_mode = (s->sr[VGA_SEQ_CLOCK_MODE] >> 3) & 1; |
257 | cb5a7aa8 | malc | clock_sel = (s->msr >> 2) & 3; |
258 | f87fc09b | malc | dots = (s->msr & 1) ? 8 : 9; |
259 | cb5a7aa8 | malc | |
260 | b0f74c87 | balrog | chars_per_sec = clk_hz[clock_sel] / dots; |
261 | cb5a7aa8 | malc | |
262 | cb5a7aa8 | malc | htotal_chars <<= clocking_mode; |
263 | cb5a7aa8 | malc | |
264 | cb5a7aa8 | malc | r->total_chars = vtotal_lines * htotal_chars; |
265 | cb5a7aa8 | malc | if (r->freq) {
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266 | 6ee093c9 | Juan Quintela | r->ticks_per_char = get_ticks_per_sec() / (r->total_chars * r->freq); |
267 | cb5a7aa8 | malc | } else {
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268 | 6ee093c9 | Juan Quintela | r->ticks_per_char = get_ticks_per_sec() / chars_per_sec; |
269 | cb5a7aa8 | malc | } |
270 | cb5a7aa8 | malc | |
271 | cb5a7aa8 | malc | r->vstart = vretr_start_line; |
272 | cb5a7aa8 | malc | r->vend = r->vstart + vretr_end_line + 1;
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273 | cb5a7aa8 | malc | |
274 | cb5a7aa8 | malc | r->hstart = hretr_start_char + hretr_skew_chars; |
275 | cb5a7aa8 | malc | r->hend = r->hstart + hretr_end_char + 1;
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276 | cb5a7aa8 | malc | r->htotal = htotal_chars; |
277 | cb5a7aa8 | malc | |
278 | f87fc09b | malc | #if 0
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279 | 5e55efc9 | Blue Swirl | div2 = (s->cr[VGA_CRTC_MODE] >> 2) & 1;
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280 | 5e55efc9 | Blue Swirl | sldiv2 = (s->cr[VGA_CRTC_MODE] >> 3) & 1;
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281 | cb5a7aa8 | malc | printf (
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282 | f87fc09b | malc | "hz=%f\n"
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283 | cb5a7aa8 | malc | "htotal = %d\n"
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284 | cb5a7aa8 | malc | "hretr_start = %d\n"
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285 | cb5a7aa8 | malc | "hretr_skew = %d\n"
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286 | cb5a7aa8 | malc | "hretr_end = %d\n"
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287 | cb5a7aa8 | malc | "vtotal = %d\n"
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288 | cb5a7aa8 | malc | "vretr_start = %d\n"
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289 | cb5a7aa8 | malc | "vretr_end = %d\n"
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290 | cb5a7aa8 | malc | "div2 = %d sldiv2 = %d\n"
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291 | cb5a7aa8 | malc | "clocking_mode = %d\n"
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292 | cb5a7aa8 | malc | "clock_sel = %d %d\n"
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293 | cb5a7aa8 | malc | "dots = %d\n"
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294 | 0bfcd599 | Blue Swirl | "ticks/char = %" PRId64 "\n"
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295 | cb5a7aa8 | malc | "\n",
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296 | 6ee093c9 | Juan Quintela | (double) get_ticks_per_sec() / (r->ticks_per_char * r->total_chars),
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297 | cb5a7aa8 | malc | htotal_chars,
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298 | cb5a7aa8 | malc | hretr_start_char,
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299 | cb5a7aa8 | malc | hretr_skew_chars,
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300 | cb5a7aa8 | malc | hretr_end_char,
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301 | cb5a7aa8 | malc | vtotal_lines,
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302 | cb5a7aa8 | malc | vretr_start_line,
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303 | cb5a7aa8 | malc | vretr_end_line,
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304 | cb5a7aa8 | malc | div2, sldiv2,
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305 | cb5a7aa8 | malc | clocking_mode,
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306 | cb5a7aa8 | malc | clock_sel,
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307 | b0f74c87 | balrog | clk_hz[clock_sel],
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308 | cb5a7aa8 | malc | dots,
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309 | cb5a7aa8 | malc | r->ticks_per_char
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310 | cb5a7aa8 | malc | );
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311 | cb5a7aa8 | malc | #endif
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312 | cb5a7aa8 | malc | } |
313 | cb5a7aa8 | malc | |
314 | cedd91d2 | Juan Quintela | static uint8_t vga_precise_retrace(VGACommonState *s)
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315 | cb5a7aa8 | malc | { |
316 | cb5a7aa8 | malc | struct vga_precise_retrace *r = &s->retrace_info.precise;
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317 | cb5a7aa8 | malc | uint8_t val = s->st01 & ~(ST01_V_RETRACE | ST01_DISP_ENABLE); |
318 | cb5a7aa8 | malc | |
319 | cb5a7aa8 | malc | if (r->total_chars) {
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320 | cb5a7aa8 | malc | int cur_line, cur_line_char, cur_char;
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321 | cb5a7aa8 | malc | int64_t cur_tick; |
322 | cb5a7aa8 | malc | |
323 | 74475455 | Paolo Bonzini | cur_tick = qemu_get_clock_ns(vm_clock); |
324 | cb5a7aa8 | malc | |
325 | cb5a7aa8 | malc | cur_char = (cur_tick / r->ticks_per_char) % r->total_chars; |
326 | cb5a7aa8 | malc | cur_line = cur_char / r->htotal; |
327 | cb5a7aa8 | malc | |
328 | cb5a7aa8 | malc | if (cur_line >= r->vstart && cur_line <= r->vend) {
|
329 | cb5a7aa8 | malc | val |= ST01_V_RETRACE | ST01_DISP_ENABLE; |
330 | f87fc09b | malc | } else {
|
331 | f87fc09b | malc | cur_line_char = cur_char % r->htotal; |
332 | f87fc09b | malc | if (cur_line_char >= r->hstart && cur_line_char <= r->hend) {
|
333 | f87fc09b | malc | val |= ST01_DISP_ENABLE; |
334 | f87fc09b | malc | } |
335 | cb5a7aa8 | malc | } |
336 | cb5a7aa8 | malc | |
337 | cb5a7aa8 | malc | return val;
|
338 | cb5a7aa8 | malc | } else {
|
339 | cb5a7aa8 | malc | return s->st01 ^ (ST01_V_RETRACE | ST01_DISP_ENABLE);
|
340 | cb5a7aa8 | malc | } |
341 | cb5a7aa8 | malc | } |
342 | cb5a7aa8 | malc | |
343 | cedd91d2 | Juan Quintela | static uint8_t vga_dumb_retrace(VGACommonState *s)
|
344 | cb5a7aa8 | malc | { |
345 | cb5a7aa8 | malc | return s->st01 ^ (ST01_V_RETRACE | ST01_DISP_ENABLE);
|
346 | cb5a7aa8 | malc | } |
347 | cb5a7aa8 | malc | |
348 | 25a18cbd | Juan Quintela | int vga_ioport_invalid(VGACommonState *s, uint32_t addr)
|
349 | 25a18cbd | Juan Quintela | { |
350 | 5e55efc9 | Blue Swirl | if (s->msr & VGA_MIS_COLOR) {
|
351 | 25a18cbd | Juan Quintela | /* Color */
|
352 | 25a18cbd | Juan Quintela | return (addr >= 0x3b0 && addr <= 0x3bf); |
353 | 25a18cbd | Juan Quintela | } else {
|
354 | 25a18cbd | Juan Quintela | /* Monochrome */
|
355 | 25a18cbd | Juan Quintela | return (addr >= 0x3d0 && addr <= 0x3df); |
356 | 25a18cbd | Juan Quintela | } |
357 | 25a18cbd | Juan Quintela | } |
358 | 25a18cbd | Juan Quintela | |
359 | 43bf782b | Juan Quintela | uint32_t vga_ioport_read(void *opaque, uint32_t addr)
|
360 | e89f66ec | bellard | { |
361 | 43bf782b | Juan Quintela | VGACommonState *s = opaque; |
362 | e89f66ec | bellard | int val, index;
|
363 | e89f66ec | bellard | |
364 | bd8f2f5d | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
365 | bd8f2f5d | Jan Kiszka | |
366 | 25a18cbd | Juan Quintela | if (vga_ioport_invalid(s, addr)) {
|
367 | e89f66ec | bellard | val = 0xff;
|
368 | e89f66ec | bellard | } else {
|
369 | e89f66ec | bellard | switch(addr) {
|
370 | 5e55efc9 | Blue Swirl | case VGA_ATT_W:
|
371 | e89f66ec | bellard | if (s->ar_flip_flop == 0) { |
372 | e89f66ec | bellard | val = s->ar_index; |
373 | e89f66ec | bellard | } else {
|
374 | e89f66ec | bellard | val = 0;
|
375 | e89f66ec | bellard | } |
376 | e89f66ec | bellard | break;
|
377 | 5e55efc9 | Blue Swirl | case VGA_ATT_R:
|
378 | e89f66ec | bellard | index = s->ar_index & 0x1f;
|
379 | 5e55efc9 | Blue Swirl | if (index < VGA_ATT_C) {
|
380 | e89f66ec | bellard | val = s->ar[index]; |
381 | 5e55efc9 | Blue Swirl | } else {
|
382 | e89f66ec | bellard | val = 0;
|
383 | 5e55efc9 | Blue Swirl | } |
384 | e89f66ec | bellard | break;
|
385 | 5e55efc9 | Blue Swirl | case VGA_MIS_W:
|
386 | e89f66ec | bellard | val = s->st00; |
387 | e89f66ec | bellard | break;
|
388 | 5e55efc9 | Blue Swirl | case VGA_SEQ_I:
|
389 | e89f66ec | bellard | val = s->sr_index; |
390 | e89f66ec | bellard | break;
|
391 | 5e55efc9 | Blue Swirl | case VGA_SEQ_D:
|
392 | e89f66ec | bellard | val = s->sr[s->sr_index]; |
393 | a41bc9af | bellard | #ifdef DEBUG_VGA_REG
|
394 | a41bc9af | bellard | printf("vga: read SR%x = 0x%02x\n", s->sr_index, val);
|
395 | a41bc9af | bellard | #endif
|
396 | e89f66ec | bellard | break;
|
397 | 5e55efc9 | Blue Swirl | case VGA_PEL_IR:
|
398 | e89f66ec | bellard | val = s->dac_state; |
399 | e89f66ec | bellard | break;
|
400 | 5e55efc9 | Blue Swirl | case VGA_PEL_IW:
|
401 | e9b43ea3 | Juan Quintela | val = s->dac_write_index; |
402 | e9b43ea3 | Juan Quintela | break;
|
403 | 5e55efc9 | Blue Swirl | case VGA_PEL_D:
|
404 | e89f66ec | bellard | val = s->palette[s->dac_read_index * 3 + s->dac_sub_index];
|
405 | e89f66ec | bellard | if (++s->dac_sub_index == 3) { |
406 | e89f66ec | bellard | s->dac_sub_index = 0;
|
407 | e89f66ec | bellard | s->dac_read_index++; |
408 | e89f66ec | bellard | } |
409 | e89f66ec | bellard | break;
|
410 | 5e55efc9 | Blue Swirl | case VGA_FTC_R:
|
411 | e89f66ec | bellard | val = s->fcr; |
412 | e89f66ec | bellard | break;
|
413 | 5e55efc9 | Blue Swirl | case VGA_MIS_R:
|
414 | e89f66ec | bellard | val = s->msr; |
415 | e89f66ec | bellard | break;
|
416 | 5e55efc9 | Blue Swirl | case VGA_GFX_I:
|
417 | e89f66ec | bellard | val = s->gr_index; |
418 | e89f66ec | bellard | break;
|
419 | 5e55efc9 | Blue Swirl | case VGA_GFX_D:
|
420 | e89f66ec | bellard | val = s->gr[s->gr_index]; |
421 | a41bc9af | bellard | #ifdef DEBUG_VGA_REG
|
422 | a41bc9af | bellard | printf("vga: read GR%x = 0x%02x\n", s->gr_index, val);
|
423 | a41bc9af | bellard | #endif
|
424 | e89f66ec | bellard | break;
|
425 | 5e55efc9 | Blue Swirl | case VGA_CRT_IM:
|
426 | 5e55efc9 | Blue Swirl | case VGA_CRT_IC:
|
427 | e89f66ec | bellard | val = s->cr_index; |
428 | e89f66ec | bellard | break;
|
429 | 5e55efc9 | Blue Swirl | case VGA_CRT_DM:
|
430 | 5e55efc9 | Blue Swirl | case VGA_CRT_DC:
|
431 | e89f66ec | bellard | val = s->cr[s->cr_index]; |
432 | a41bc9af | bellard | #ifdef DEBUG_VGA_REG
|
433 | a41bc9af | bellard | printf("vga: read CR%x = 0x%02x\n", s->cr_index, val);
|
434 | a41bc9af | bellard | #endif
|
435 | e89f66ec | bellard | break;
|
436 | 5e55efc9 | Blue Swirl | case VGA_IS1_RM:
|
437 | 5e55efc9 | Blue Swirl | case VGA_IS1_RC:
|
438 | e89f66ec | bellard | /* just toggle to fool polling */
|
439 | cb5a7aa8 | malc | val = s->st01 = s->retrace(s); |
440 | e89f66ec | bellard | s->ar_flip_flop = 0;
|
441 | e89f66ec | bellard | break;
|
442 | e89f66ec | bellard | default:
|
443 | e89f66ec | bellard | val = 0x00;
|
444 | e89f66ec | bellard | break;
|
445 | e89f66ec | bellard | } |
446 | e89f66ec | bellard | } |
447 | 4fa0f5d2 | bellard | #if defined(DEBUG_VGA)
|
448 | e89f66ec | bellard | printf("VGA: read addr=0x%04x data=0x%02x\n", addr, val);
|
449 | e89f66ec | bellard | #endif
|
450 | e89f66ec | bellard | return val;
|
451 | e89f66ec | bellard | } |
452 | e89f66ec | bellard | |
453 | 43bf782b | Juan Quintela | void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val) |
454 | e89f66ec | bellard | { |
455 | 43bf782b | Juan Quintela | VGACommonState *s = opaque; |
456 | 5467a722 | bellard | int index;
|
457 | e89f66ec | bellard | |
458 | bd8f2f5d | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
459 | bd8f2f5d | Jan Kiszka | |
460 | e89f66ec | bellard | /* check port range access depending on color/monochrome mode */
|
461 | 25a18cbd | Juan Quintela | if (vga_ioport_invalid(s, addr)) {
|
462 | e89f66ec | bellard | return;
|
463 | 25a18cbd | Juan Quintela | } |
464 | e89f66ec | bellard | #ifdef DEBUG_VGA
|
465 | e89f66ec | bellard | printf("VGA: write addr=0x%04x data=0x%02x\n", addr, val);
|
466 | e89f66ec | bellard | #endif
|
467 | e89f66ec | bellard | |
468 | e89f66ec | bellard | switch(addr) {
|
469 | 5e55efc9 | Blue Swirl | case VGA_ATT_W:
|
470 | e89f66ec | bellard | if (s->ar_flip_flop == 0) { |
471 | e89f66ec | bellard | val &= 0x3f;
|
472 | e89f66ec | bellard | s->ar_index = val; |
473 | e89f66ec | bellard | } else {
|
474 | e89f66ec | bellard | index = s->ar_index & 0x1f;
|
475 | e89f66ec | bellard | switch(index) {
|
476 | 5e55efc9 | Blue Swirl | case VGA_ATC_PALETTE0 ... VGA_ATC_PALETTEF:
|
477 | e89f66ec | bellard | s->ar[index] = val & 0x3f;
|
478 | e89f66ec | bellard | break;
|
479 | 5e55efc9 | Blue Swirl | case VGA_ATC_MODE:
|
480 | e89f66ec | bellard | s->ar[index] = val & ~0x10;
|
481 | e89f66ec | bellard | break;
|
482 | 5e55efc9 | Blue Swirl | case VGA_ATC_OVERSCAN:
|
483 | e89f66ec | bellard | s->ar[index] = val; |
484 | e89f66ec | bellard | break;
|
485 | 5e55efc9 | Blue Swirl | case VGA_ATC_PLANE_ENABLE:
|
486 | e89f66ec | bellard | s->ar[index] = val & ~0xc0;
|
487 | e89f66ec | bellard | break;
|
488 | 5e55efc9 | Blue Swirl | case VGA_ATC_PEL:
|
489 | e89f66ec | bellard | s->ar[index] = val & ~0xf0;
|
490 | e89f66ec | bellard | break;
|
491 | 5e55efc9 | Blue Swirl | case VGA_ATC_COLOR_PAGE:
|
492 | e89f66ec | bellard | s->ar[index] = val & ~0xf0;
|
493 | e89f66ec | bellard | break;
|
494 | e89f66ec | bellard | default:
|
495 | e89f66ec | bellard | break;
|
496 | e89f66ec | bellard | } |
497 | e89f66ec | bellard | } |
498 | e89f66ec | bellard | s->ar_flip_flop ^= 1;
|
499 | e89f66ec | bellard | break;
|
500 | 5e55efc9 | Blue Swirl | case VGA_MIS_W:
|
501 | e89f66ec | bellard | s->msr = val & ~0x10;
|
502 | cb5a7aa8 | malc | s->update_retrace_info(s); |
503 | e89f66ec | bellard | break;
|
504 | 5e55efc9 | Blue Swirl | case VGA_SEQ_I:
|
505 | e89f66ec | bellard | s->sr_index = val & 7;
|
506 | e89f66ec | bellard | break;
|
507 | 5e55efc9 | Blue Swirl | case VGA_SEQ_D:
|
508 | a41bc9af | bellard | #ifdef DEBUG_VGA_REG
|
509 | a41bc9af | bellard | printf("vga: write SR%x = 0x%02x\n", s->sr_index, val);
|
510 | a41bc9af | bellard | #endif
|
511 | e89f66ec | bellard | s->sr[s->sr_index] = val & sr_mask[s->sr_index]; |
512 | 5e55efc9 | Blue Swirl | if (s->sr_index == VGA_SEQ_CLOCK_MODE) {
|
513 | 5e55efc9 | Blue Swirl | s->update_retrace_info(s); |
514 | 5e55efc9 | Blue Swirl | } |
515 | 80763888 | Jan Kiszka | vga_update_memory_access(s); |
516 | e89f66ec | bellard | break;
|
517 | 5e55efc9 | Blue Swirl | case VGA_PEL_IR:
|
518 | e89f66ec | bellard | s->dac_read_index = val; |
519 | e89f66ec | bellard | s->dac_sub_index = 0;
|
520 | e89f66ec | bellard | s->dac_state = 3;
|
521 | e89f66ec | bellard | break;
|
522 | 5e55efc9 | Blue Swirl | case VGA_PEL_IW:
|
523 | e89f66ec | bellard | s->dac_write_index = val; |
524 | e89f66ec | bellard | s->dac_sub_index = 0;
|
525 | e89f66ec | bellard | s->dac_state = 0;
|
526 | e89f66ec | bellard | break;
|
527 | 5e55efc9 | Blue Swirl | case VGA_PEL_D:
|
528 | e89f66ec | bellard | s->dac_cache[s->dac_sub_index] = val; |
529 | e89f66ec | bellard | if (++s->dac_sub_index == 3) { |
530 | e89f66ec | bellard | memcpy(&s->palette[s->dac_write_index * 3], s->dac_cache, 3); |
531 | e89f66ec | bellard | s->dac_sub_index = 0;
|
532 | e89f66ec | bellard | s->dac_write_index++; |
533 | e89f66ec | bellard | } |
534 | e89f66ec | bellard | break;
|
535 | 5e55efc9 | Blue Swirl | case VGA_GFX_I:
|
536 | e89f66ec | bellard | s->gr_index = val & 0x0f;
|
537 | e89f66ec | bellard | break;
|
538 | 5e55efc9 | Blue Swirl | case VGA_GFX_D:
|
539 | a41bc9af | bellard | #ifdef DEBUG_VGA_REG
|
540 | a41bc9af | bellard | printf("vga: write GR%x = 0x%02x\n", s->gr_index, val);
|
541 | a41bc9af | bellard | #endif
|
542 | e89f66ec | bellard | s->gr[s->gr_index] = val & gr_mask[s->gr_index]; |
543 | 80763888 | Jan Kiszka | vga_update_memory_access(s); |
544 | e89f66ec | bellard | break;
|
545 | 5e55efc9 | Blue Swirl | case VGA_CRT_IM:
|
546 | 5e55efc9 | Blue Swirl | case VGA_CRT_IC:
|
547 | e89f66ec | bellard | s->cr_index = val; |
548 | e89f66ec | bellard | break;
|
549 | 5e55efc9 | Blue Swirl | case VGA_CRT_DM:
|
550 | 5e55efc9 | Blue Swirl | case VGA_CRT_DC:
|
551 | a41bc9af | bellard | #ifdef DEBUG_VGA_REG
|
552 | a41bc9af | bellard | printf("vga: write CR%x = 0x%02x\n", s->cr_index, val);
|
553 | a41bc9af | bellard | #endif
|
554 | e89f66ec | bellard | /* handle CR0-7 protection */
|
555 | df800210 | malc | if ((s->cr[VGA_CRTC_V_SYNC_END] & VGA_CR11_LOCK_CR0_CR7) &&
|
556 | df800210 | malc | s->cr_index <= VGA_CRTC_OVERFLOW) { |
557 | df800210 | malc | /* can always write bit 4 of CR7 */
|
558 | df800210 | malc | if (s->cr_index == VGA_CRTC_OVERFLOW) {
|
559 | df800210 | malc | s->cr[VGA_CRTC_OVERFLOW] = (s->cr[VGA_CRTC_OVERFLOW] & ~0x10) |
|
560 | df800210 | malc | (val & 0x10);
|
561 | 5e55efc9 | Blue Swirl | } |
562 | df800210 | malc | return;
|
563 | e89f66ec | bellard | } |
564 | a46007a0 | Juan Quintela | s->cr[s->cr_index] = val; |
565 | cb5a7aa8 | malc | |
566 | cb5a7aa8 | malc | switch(s->cr_index) {
|
567 | 5e55efc9 | Blue Swirl | case VGA_CRTC_H_TOTAL:
|
568 | 5e55efc9 | Blue Swirl | case VGA_CRTC_H_SYNC_START:
|
569 | 5e55efc9 | Blue Swirl | case VGA_CRTC_H_SYNC_END:
|
570 | 5e55efc9 | Blue Swirl | case VGA_CRTC_V_TOTAL:
|
571 | 5e55efc9 | Blue Swirl | case VGA_CRTC_OVERFLOW:
|
572 | 5e55efc9 | Blue Swirl | case VGA_CRTC_V_SYNC_END:
|
573 | 5e55efc9 | Blue Swirl | case VGA_CRTC_MODE:
|
574 | cb5a7aa8 | malc | s->update_retrace_info(s); |
575 | cb5a7aa8 | malc | break;
|
576 | cb5a7aa8 | malc | } |
577 | e89f66ec | bellard | break;
|
578 | 5e55efc9 | Blue Swirl | case VGA_IS1_RM:
|
579 | 5e55efc9 | Blue Swirl | case VGA_IS1_RC:
|
580 | e89f66ec | bellard | s->fcr = val & 0x10;
|
581 | e89f66ec | bellard | break;
|
582 | e89f66ec | bellard | } |
583 | e89f66ec | bellard | } |
584 | e89f66ec | bellard | |
585 | 4fa0f5d2 | bellard | #ifdef CONFIG_BOCHS_VBE
|
586 | 09a79b49 | bellard | static uint32_t vbe_ioport_read_index(void *opaque, uint32_t addr) |
587 | 4fa0f5d2 | bellard | { |
588 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
589 | 4fa0f5d2 | bellard | uint32_t val; |
590 | 09a79b49 | bellard | val = s->vbe_index; |
591 | 09a79b49 | bellard | return val;
|
592 | 09a79b49 | bellard | } |
593 | 4fa0f5d2 | bellard | |
594 | 09a79b49 | bellard | static uint32_t vbe_ioport_read_data(void *opaque, uint32_t addr) |
595 | 09a79b49 | bellard | { |
596 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
597 | 09a79b49 | bellard | uint32_t val; |
598 | 09a79b49 | bellard | |
599 | af92284b | Gerd Hoffmann | if (s->vbe_index < VBE_DISPI_INDEX_NB) {
|
600 | 8454df8b | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_GETCAPS) {
|
601 | 8454df8b | bellard | switch(s->vbe_index) {
|
602 | 8454df8b | bellard | /* XXX: do not hardcode ? */
|
603 | 8454df8b | bellard | case VBE_DISPI_INDEX_XRES:
|
604 | 8454df8b | bellard | val = VBE_DISPI_MAX_XRES; |
605 | 8454df8b | bellard | break;
|
606 | 8454df8b | bellard | case VBE_DISPI_INDEX_YRES:
|
607 | 8454df8b | bellard | val = VBE_DISPI_MAX_YRES; |
608 | 8454df8b | bellard | break;
|
609 | 8454df8b | bellard | case VBE_DISPI_INDEX_BPP:
|
610 | 8454df8b | bellard | val = VBE_DISPI_MAX_BPP; |
611 | 8454df8b | bellard | break;
|
612 | 8454df8b | bellard | default:
|
613 | 5fafdf24 | ths | val = s->vbe_regs[s->vbe_index]; |
614 | 8454df8b | bellard | break;
|
615 | 8454df8b | bellard | } |
616 | 8454df8b | bellard | } else {
|
617 | 5fafdf24 | ths | val = s->vbe_regs[s->vbe_index]; |
618 | 8454df8b | bellard | } |
619 | af92284b | Gerd Hoffmann | } else if (s->vbe_index == VBE_DISPI_INDEX_VIDEO_MEMORY_64K) { |
620 | af92284b | Gerd Hoffmann | val = s->vram_size / (64 * 1024); |
621 | 8454df8b | bellard | } else {
|
622 | 09a79b49 | bellard | val = 0;
|
623 | 8454df8b | bellard | } |
624 | 4fa0f5d2 | bellard | #ifdef DEBUG_BOCHS_VBE
|
625 | 09a79b49 | bellard | printf("VBE: read index=0x%x val=0x%x\n", s->vbe_index, val);
|
626 | 4fa0f5d2 | bellard | #endif
|
627 | 4fa0f5d2 | bellard | return val;
|
628 | 4fa0f5d2 | bellard | } |
629 | 4fa0f5d2 | bellard | |
630 | 09a79b49 | bellard | static void vbe_ioport_write_index(void *opaque, uint32_t addr, uint32_t val) |
631 | 09a79b49 | bellard | { |
632 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
633 | 09a79b49 | bellard | s->vbe_index = val; |
634 | 09a79b49 | bellard | } |
635 | 09a79b49 | bellard | |
636 | 09a79b49 | bellard | static void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val) |
637 | 4fa0f5d2 | bellard | { |
638 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
639 | 4fa0f5d2 | bellard | |
640 | 09a79b49 | bellard | if (s->vbe_index <= VBE_DISPI_INDEX_NB) {
|
641 | 4fa0f5d2 | bellard | #ifdef DEBUG_BOCHS_VBE
|
642 | 4fa0f5d2 | bellard | printf("VBE: write index=0x%x val=0x%x\n", s->vbe_index, val);
|
643 | 4fa0f5d2 | bellard | #endif
|
644 | 4fa0f5d2 | bellard | switch(s->vbe_index) {
|
645 | 4fa0f5d2 | bellard | case VBE_DISPI_INDEX_ID:
|
646 | cae61cef | bellard | if (val == VBE_DISPI_ID0 ||
|
647 | cae61cef | bellard | val == VBE_DISPI_ID1 || |
648 | 37dd208d | bellard | val == VBE_DISPI_ID2 || |
649 | 37dd208d | bellard | val == VBE_DISPI_ID3 || |
650 | 37dd208d | bellard | val == VBE_DISPI_ID4) { |
651 | cae61cef | bellard | s->vbe_regs[s->vbe_index] = val; |
652 | cae61cef | bellard | } |
653 | 4fa0f5d2 | bellard | break;
|
654 | 4fa0f5d2 | bellard | case VBE_DISPI_INDEX_XRES:
|
655 | cae61cef | bellard | if ((val <= VBE_DISPI_MAX_XRES) && ((val & 7) == 0)) { |
656 | cae61cef | bellard | s->vbe_regs[s->vbe_index] = val; |
657 | cae61cef | bellard | } |
658 | 4fa0f5d2 | bellard | break;
|
659 | 4fa0f5d2 | bellard | case VBE_DISPI_INDEX_YRES:
|
660 | cae61cef | bellard | if (val <= VBE_DISPI_MAX_YRES) {
|
661 | cae61cef | bellard | s->vbe_regs[s->vbe_index] = val; |
662 | cae61cef | bellard | } |
663 | 4fa0f5d2 | bellard | break;
|
664 | 4fa0f5d2 | bellard | case VBE_DISPI_INDEX_BPP:
|
665 | 4fa0f5d2 | bellard | if (val == 0) |
666 | 4fa0f5d2 | bellard | val = 8;
|
667 | 5fafdf24 | ths | if (val == 4 || val == 8 || val == 15 || |
668 | cae61cef | bellard | val == 16 || val == 24 || val == 32) { |
669 | cae61cef | bellard | s->vbe_regs[s->vbe_index] = val; |
670 | cae61cef | bellard | } |
671 | 4fa0f5d2 | bellard | break;
|
672 | 4fa0f5d2 | bellard | case VBE_DISPI_INDEX_BANK:
|
673 | 42fc925e | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) { |
674 | 42fc925e | bellard | val &= (s->vbe_bank_mask >> 2);
|
675 | 42fc925e | bellard | } else {
|
676 | 42fc925e | bellard | val &= s->vbe_bank_mask; |
677 | 42fc925e | bellard | } |
678 | cae61cef | bellard | s->vbe_regs[s->vbe_index] = val; |
679 | 26aa7d72 | bellard | s->bank_offset = (val << 16);
|
680 | 80763888 | Jan Kiszka | vga_update_memory_access(s); |
681 | 4fa0f5d2 | bellard | break;
|
682 | 4fa0f5d2 | bellard | case VBE_DISPI_INDEX_ENABLE:
|
683 | 8454df8b | bellard | if ((val & VBE_DISPI_ENABLED) &&
|
684 | 8454df8b | bellard | !(s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED)) { |
685 | 4fa0f5d2 | bellard | int h, shift_control;
|
686 | 4fa0f5d2 | bellard | |
687 | 5fafdf24 | ths | s->vbe_regs[VBE_DISPI_INDEX_VIRT_WIDTH] = |
688 | 4fa0f5d2 | bellard | s->vbe_regs[VBE_DISPI_INDEX_XRES]; |
689 | 5fafdf24 | ths | s->vbe_regs[VBE_DISPI_INDEX_VIRT_HEIGHT] = |
690 | 4fa0f5d2 | bellard | s->vbe_regs[VBE_DISPI_INDEX_YRES]; |
691 | 4fa0f5d2 | bellard | s->vbe_regs[VBE_DISPI_INDEX_X_OFFSET] = 0;
|
692 | 4fa0f5d2 | bellard | s->vbe_regs[VBE_DISPI_INDEX_Y_OFFSET] = 0;
|
693 | 3b46e624 | ths | |
694 | 4fa0f5d2 | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) |
695 | 4fa0f5d2 | bellard | s->vbe_line_offset = s->vbe_regs[VBE_DISPI_INDEX_XRES] >> 1;
|
696 | 4fa0f5d2 | bellard | else
|
697 | 5fafdf24 | ths | s->vbe_line_offset = s->vbe_regs[VBE_DISPI_INDEX_XRES] * |
698 | 4fa0f5d2 | bellard | ((s->vbe_regs[VBE_DISPI_INDEX_BPP] + 7) >> 3); |
699 | 4fa0f5d2 | bellard | s->vbe_start_addr = 0;
|
700 | 8454df8b | bellard | |
701 | 4fa0f5d2 | bellard | /* clear the screen (should be done in BIOS) */
|
702 | 4fa0f5d2 | bellard | if (!(val & VBE_DISPI_NOCLEARMEM)) {
|
703 | 5fafdf24 | ths | memset(s->vram_ptr, 0,
|
704 | 4fa0f5d2 | bellard | s->vbe_regs[VBE_DISPI_INDEX_YRES] * s->vbe_line_offset); |
705 | 4fa0f5d2 | bellard | } |
706 | 3b46e624 | ths | |
707 | cae61cef | bellard | /* we initialize the VGA graphic mode (should be done
|
708 | cae61cef | bellard | in BIOS) */
|
709 | 5e55efc9 | Blue Swirl | /* graphic mode + memory map 1 */
|
710 | 5e55efc9 | Blue Swirl | s->gr[VGA_GFX_MISC] = (s->gr[VGA_GFX_MISC] & ~0x0c) | 0x04 | |
711 | 5e55efc9 | Blue Swirl | VGA_GR06_GRAPHICS_MODE; |
712 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_MODE] |= 3; /* no CGA modes */ |
713 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_OFFSET] = s->vbe_line_offset >> 3;
|
714 | 4fa0f5d2 | bellard | /* width */
|
715 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_H_DISP] = |
716 | 5e55efc9 | Blue Swirl | (s->vbe_regs[VBE_DISPI_INDEX_XRES] >> 3) - 1; |
717 | 8454df8b | bellard | /* height (only meaningful if < 1024) */
|
718 | 4fa0f5d2 | bellard | h = s->vbe_regs[VBE_DISPI_INDEX_YRES] - 1;
|
719 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_V_DISP_END] = h; |
720 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_OVERFLOW] = (s->cr[VGA_CRTC_OVERFLOW] & ~0x42) |
|
721 | 4fa0f5d2 | bellard | ((h >> 7) & 0x02) | ((h >> 3) & 0x40); |
722 | 4fa0f5d2 | bellard | /* line compare to 1023 */
|
723 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_LINE_COMPARE] = 0xff;
|
724 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_OVERFLOW] |= 0x10;
|
725 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_MAX_SCAN] |= 0x40;
|
726 | 3b46e624 | ths | |
727 | 4fa0f5d2 | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) { |
728 | 4fa0f5d2 | bellard | shift_control = 0;
|
729 | 5e55efc9 | Blue Swirl | s->sr[VGA_SEQ_CLOCK_MODE] &= ~8; /* no double line */ |
730 | 4fa0f5d2 | bellard | } else {
|
731 | 4fa0f5d2 | bellard | shift_control = 2;
|
732 | 5e55efc9 | Blue Swirl | /* set chain 4 mode */
|
733 | 5e55efc9 | Blue Swirl | s->sr[VGA_SEQ_MEMORY_MODE] |= VGA_SR04_CHN_4M; |
734 | 5e55efc9 | Blue Swirl | /* activate all planes */
|
735 | 5e55efc9 | Blue Swirl | s->sr[VGA_SEQ_PLANE_WRITE] |= VGA_SR02_ALL_PLANES; |
736 | 4fa0f5d2 | bellard | } |
737 | 5e55efc9 | Blue Swirl | s->gr[VGA_GFX_MODE] = (s->gr[VGA_GFX_MODE] & ~0x60) |
|
738 | 5e55efc9 | Blue Swirl | (shift_control << 5);
|
739 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_MAX_SCAN] &= ~0x9f; /* no double scan */ |
740 | cae61cef | bellard | } else {
|
741 | cae61cef | bellard | /* XXX: the bios should do that */
|
742 | 26aa7d72 | bellard | s->bank_offset = 0;
|
743 | cae61cef | bellard | } |
744 | 37dd208d | bellard | s->dac_8bit = (val & VBE_DISPI_8BIT_DAC) > 0;
|
745 | 141253b2 | bellard | s->vbe_regs[s->vbe_index] = val; |
746 | 80763888 | Jan Kiszka | vga_update_memory_access(s); |
747 | cae61cef | bellard | break;
|
748 | cae61cef | bellard | case VBE_DISPI_INDEX_VIRT_WIDTH:
|
749 | cae61cef | bellard | { |
750 | cae61cef | bellard | int w, h, line_offset;
|
751 | cae61cef | bellard | |
752 | cae61cef | bellard | if (val < s->vbe_regs[VBE_DISPI_INDEX_XRES])
|
753 | cae61cef | bellard | return;
|
754 | cae61cef | bellard | w = val; |
755 | cae61cef | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) |
756 | cae61cef | bellard | line_offset = w >> 1;
|
757 | cae61cef | bellard | else
|
758 | cae61cef | bellard | line_offset = w * ((s->vbe_regs[VBE_DISPI_INDEX_BPP] + 7) >> 3); |
759 | cae61cef | bellard | h = s->vram_size / line_offset; |
760 | cae61cef | bellard | /* XXX: support weird bochs semantics ? */
|
761 | cae61cef | bellard | if (h < s->vbe_regs[VBE_DISPI_INDEX_YRES])
|
762 | cae61cef | bellard | return;
|
763 | cae61cef | bellard | s->vbe_regs[VBE_DISPI_INDEX_VIRT_WIDTH] = w; |
764 | cae61cef | bellard | s->vbe_regs[VBE_DISPI_INDEX_VIRT_HEIGHT] = h; |
765 | cae61cef | bellard | s->vbe_line_offset = line_offset; |
766 | cae61cef | bellard | } |
767 | cae61cef | bellard | break;
|
768 | cae61cef | bellard | case VBE_DISPI_INDEX_X_OFFSET:
|
769 | cae61cef | bellard | case VBE_DISPI_INDEX_Y_OFFSET:
|
770 | cae61cef | bellard | { |
771 | cae61cef | bellard | int x;
|
772 | cae61cef | bellard | s->vbe_regs[s->vbe_index] = val; |
773 | cae61cef | bellard | s->vbe_start_addr = s->vbe_line_offset * s->vbe_regs[VBE_DISPI_INDEX_Y_OFFSET]; |
774 | cae61cef | bellard | x = s->vbe_regs[VBE_DISPI_INDEX_X_OFFSET]; |
775 | cae61cef | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) |
776 | cae61cef | bellard | s->vbe_start_addr += x >> 1;
|
777 | cae61cef | bellard | else
|
778 | cae61cef | bellard | s->vbe_start_addr += x * ((s->vbe_regs[VBE_DISPI_INDEX_BPP] + 7) >> 3); |
779 | cae61cef | bellard | s->vbe_start_addr >>= 2;
|
780 | 4fa0f5d2 | bellard | } |
781 | 4fa0f5d2 | bellard | break;
|
782 | 4fa0f5d2 | bellard | default:
|
783 | 4fa0f5d2 | bellard | break;
|
784 | 4fa0f5d2 | bellard | } |
785 | 4fa0f5d2 | bellard | } |
786 | 4fa0f5d2 | bellard | } |
787 | 4fa0f5d2 | bellard | #endif
|
788 | 4fa0f5d2 | bellard | |
789 | e89f66ec | bellard | /* called for accesses between 0xa0000 and 0xc0000 */
|
790 | b2a5e761 | Avi Kivity | uint32_t vga_mem_readb(VGACommonState *s, target_phys_addr_t addr) |
791 | e89f66ec | bellard | { |
792 | e89f66ec | bellard | int memory_map_mode, plane;
|
793 | e89f66ec | bellard | uint32_t ret; |
794 | 3b46e624 | ths | |
795 | e89f66ec | bellard | /* convert to VGA memory offset */
|
796 | 5e55efc9 | Blue Swirl | memory_map_mode = (s->gr[VGA_GFX_MISC] >> 2) & 3; |
797 | 26aa7d72 | bellard | addr &= 0x1ffff;
|
798 | e89f66ec | bellard | switch(memory_map_mode) {
|
799 | e89f66ec | bellard | case 0: |
800 | e89f66ec | bellard | break;
|
801 | e89f66ec | bellard | case 1: |
802 | 26aa7d72 | bellard | if (addr >= 0x10000) |
803 | e89f66ec | bellard | return 0xff; |
804 | cae61cef | bellard | addr += s->bank_offset; |
805 | e89f66ec | bellard | break;
|
806 | e89f66ec | bellard | case 2: |
807 | 26aa7d72 | bellard | addr -= 0x10000;
|
808 | e89f66ec | bellard | if (addr >= 0x8000) |
809 | e89f66ec | bellard | return 0xff; |
810 | e89f66ec | bellard | break;
|
811 | e89f66ec | bellard | default:
|
812 | e89f66ec | bellard | case 3: |
813 | 26aa7d72 | bellard | addr -= 0x18000;
|
814 | c92b2e84 | bellard | if (addr >= 0x8000) |
815 | c92b2e84 | bellard | return 0xff; |
816 | e89f66ec | bellard | break;
|
817 | e89f66ec | bellard | } |
818 | 3b46e624 | ths | |
819 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_MEMORY_MODE] & VGA_SR04_CHN_4M) {
|
820 | e89f66ec | bellard | /* chain 4 mode : simplest access */
|
821 | e89f66ec | bellard | ret = s->vram_ptr[addr]; |
822 | 5e55efc9 | Blue Swirl | } else if (s->gr[VGA_GFX_MODE] & 0x10) { |
823 | e89f66ec | bellard | /* odd/even mode (aka text mode mapping) */
|
824 | 5e55efc9 | Blue Swirl | plane = (s->gr[VGA_GFX_PLANE_READ] & 2) | (addr & 1); |
825 | e89f66ec | bellard | ret = s->vram_ptr[((addr & ~1) << 1) | plane]; |
826 | e89f66ec | bellard | } else {
|
827 | e89f66ec | bellard | /* standard VGA latched access */
|
828 | e89f66ec | bellard | s->latch = ((uint32_t *)s->vram_ptr)[addr]; |
829 | e89f66ec | bellard | |
830 | 5e55efc9 | Blue Swirl | if (!(s->gr[VGA_GFX_MODE] & 0x08)) { |
831 | e89f66ec | bellard | /* read mode 0 */
|
832 | 5e55efc9 | Blue Swirl | plane = s->gr[VGA_GFX_PLANE_READ]; |
833 | b8ed223b | bellard | ret = GET_PLANE(s->latch, plane); |
834 | e89f66ec | bellard | } else {
|
835 | e89f66ec | bellard | /* read mode 1 */
|
836 | 5e55efc9 | Blue Swirl | ret = (s->latch ^ mask16[s->gr[VGA_GFX_COMPARE_VALUE]]) & |
837 | 5e55efc9 | Blue Swirl | mask16[s->gr[VGA_GFX_COMPARE_MASK]]; |
838 | e89f66ec | bellard | ret |= ret >> 16;
|
839 | e89f66ec | bellard | ret |= ret >> 8;
|
840 | e89f66ec | bellard | ret = (~ret) & 0xff;
|
841 | e89f66ec | bellard | } |
842 | e89f66ec | bellard | } |
843 | e89f66ec | bellard | return ret;
|
844 | e89f66ec | bellard | } |
845 | e89f66ec | bellard | |
846 | e89f66ec | bellard | /* called for accesses between 0xa0000 and 0xc0000 */
|
847 | b2a5e761 | Avi Kivity | void vga_mem_writeb(VGACommonState *s, target_phys_addr_t addr, uint32_t val)
|
848 | e89f66ec | bellard | { |
849 | 546fa6ab | bellard | int memory_map_mode, plane, write_mode, b, func_select, mask;
|
850 | e89f66ec | bellard | uint32_t write_mask, bit_mask, set_mask; |
851 | e89f66ec | bellard | |
852 | 17b0018b | bellard | #ifdef DEBUG_VGA_MEM
|
853 | 0bf9e31a | Blue Swirl | printf("vga: [0x" TARGET_FMT_plx "] = 0x%02x\n", addr, val); |
854 | e89f66ec | bellard | #endif
|
855 | e89f66ec | bellard | /* convert to VGA memory offset */
|
856 | 5e55efc9 | Blue Swirl | memory_map_mode = (s->gr[VGA_GFX_MISC] >> 2) & 3; |
857 | 26aa7d72 | bellard | addr &= 0x1ffff;
|
858 | e89f66ec | bellard | switch(memory_map_mode) {
|
859 | e89f66ec | bellard | case 0: |
860 | e89f66ec | bellard | break;
|
861 | e89f66ec | bellard | case 1: |
862 | 26aa7d72 | bellard | if (addr >= 0x10000) |
863 | e89f66ec | bellard | return;
|
864 | cae61cef | bellard | addr += s->bank_offset; |
865 | e89f66ec | bellard | break;
|
866 | e89f66ec | bellard | case 2: |
867 | 26aa7d72 | bellard | addr -= 0x10000;
|
868 | e89f66ec | bellard | if (addr >= 0x8000) |
869 | e89f66ec | bellard | return;
|
870 | e89f66ec | bellard | break;
|
871 | e89f66ec | bellard | default:
|
872 | e89f66ec | bellard | case 3: |
873 | 26aa7d72 | bellard | addr -= 0x18000;
|
874 | c92b2e84 | bellard | if (addr >= 0x8000) |
875 | c92b2e84 | bellard | return;
|
876 | e89f66ec | bellard | break;
|
877 | e89f66ec | bellard | } |
878 | 3b46e624 | ths | |
879 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_MEMORY_MODE] & VGA_SR04_CHN_4M) {
|
880 | e89f66ec | bellard | /* chain 4 mode : simplest access */
|
881 | e89f66ec | bellard | plane = addr & 3;
|
882 | 546fa6ab | bellard | mask = (1 << plane);
|
883 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_PLANE_WRITE] & mask) {
|
884 | e89f66ec | bellard | s->vram_ptr[addr] = val; |
885 | 17b0018b | bellard | #ifdef DEBUG_VGA_MEM
|
886 | 0bf9e31a | Blue Swirl | printf("vga: chain4: [0x" TARGET_FMT_plx "]\n", addr); |
887 | e89f66ec | bellard | #endif
|
888 | 546fa6ab | bellard | s->plane_updated |= mask; /* only used to detect font change */
|
889 | fd4aa979 | Blue Swirl | memory_region_set_dirty(&s->vram, addr, 1);
|
890 | e89f66ec | bellard | } |
891 | 5e55efc9 | Blue Swirl | } else if (s->gr[VGA_GFX_MODE] & 0x10) { |
892 | e89f66ec | bellard | /* odd/even mode (aka text mode mapping) */
|
893 | 5e55efc9 | Blue Swirl | plane = (s->gr[VGA_GFX_PLANE_READ] & 2) | (addr & 1); |
894 | 546fa6ab | bellard | mask = (1 << plane);
|
895 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_PLANE_WRITE] & mask) {
|
896 | e89f66ec | bellard | addr = ((addr & ~1) << 1) | plane; |
897 | e89f66ec | bellard | s->vram_ptr[addr] = val; |
898 | 17b0018b | bellard | #ifdef DEBUG_VGA_MEM
|
899 | 0bf9e31a | Blue Swirl | printf("vga: odd/even: [0x" TARGET_FMT_plx "]\n", addr); |
900 | e89f66ec | bellard | #endif
|
901 | 546fa6ab | bellard | s->plane_updated |= mask; /* only used to detect font change */
|
902 | fd4aa979 | Blue Swirl | memory_region_set_dirty(&s->vram, addr, 1);
|
903 | e89f66ec | bellard | } |
904 | e89f66ec | bellard | } else {
|
905 | e89f66ec | bellard | /* standard VGA latched access */
|
906 | 5e55efc9 | Blue Swirl | write_mode = s->gr[VGA_GFX_MODE] & 3;
|
907 | e89f66ec | bellard | switch(write_mode) {
|
908 | e89f66ec | bellard | default:
|
909 | e89f66ec | bellard | case 0: |
910 | e89f66ec | bellard | /* rotate */
|
911 | 5e55efc9 | Blue Swirl | b = s->gr[VGA_GFX_DATA_ROTATE] & 7;
|
912 | e89f66ec | bellard | val = ((val >> b) | (val << (8 - b))) & 0xff; |
913 | e89f66ec | bellard | val |= val << 8;
|
914 | e89f66ec | bellard | val |= val << 16;
|
915 | e89f66ec | bellard | |
916 | e89f66ec | bellard | /* apply set/reset mask */
|
917 | 5e55efc9 | Blue Swirl | set_mask = mask16[s->gr[VGA_GFX_SR_ENABLE]]; |
918 | 5e55efc9 | Blue Swirl | val = (val & ~set_mask) | |
919 | 5e55efc9 | Blue Swirl | (mask16[s->gr[VGA_GFX_SR_VALUE]] & set_mask); |
920 | 5e55efc9 | Blue Swirl | bit_mask = s->gr[VGA_GFX_BIT_MASK]; |
921 | e89f66ec | bellard | break;
|
922 | e89f66ec | bellard | case 1: |
923 | e89f66ec | bellard | val = s->latch; |
924 | e89f66ec | bellard | goto do_write;
|
925 | e89f66ec | bellard | case 2: |
926 | e89f66ec | bellard | val = mask16[val & 0x0f];
|
927 | 5e55efc9 | Blue Swirl | bit_mask = s->gr[VGA_GFX_BIT_MASK]; |
928 | e89f66ec | bellard | break;
|
929 | e89f66ec | bellard | case 3: |
930 | e89f66ec | bellard | /* rotate */
|
931 | 5e55efc9 | Blue Swirl | b = s->gr[VGA_GFX_DATA_ROTATE] & 7;
|
932 | a41bc9af | bellard | val = (val >> b) | (val << (8 - b));
|
933 | e89f66ec | bellard | |
934 | 5e55efc9 | Blue Swirl | bit_mask = s->gr[VGA_GFX_BIT_MASK] & val; |
935 | 5e55efc9 | Blue Swirl | val = mask16[s->gr[VGA_GFX_SR_VALUE]]; |
936 | e89f66ec | bellard | break;
|
937 | e89f66ec | bellard | } |
938 | e89f66ec | bellard | |
939 | e89f66ec | bellard | /* apply logical operation */
|
940 | 5e55efc9 | Blue Swirl | func_select = s->gr[VGA_GFX_DATA_ROTATE] >> 3;
|
941 | e89f66ec | bellard | switch(func_select) {
|
942 | e89f66ec | bellard | case 0: |
943 | e89f66ec | bellard | default:
|
944 | e89f66ec | bellard | /* nothing to do */
|
945 | e89f66ec | bellard | break;
|
946 | e89f66ec | bellard | case 1: |
947 | e89f66ec | bellard | /* and */
|
948 | e89f66ec | bellard | val &= s->latch; |
949 | e89f66ec | bellard | break;
|
950 | e89f66ec | bellard | case 2: |
951 | e89f66ec | bellard | /* or */
|
952 | e89f66ec | bellard | val |= s->latch; |
953 | e89f66ec | bellard | break;
|
954 | e89f66ec | bellard | case 3: |
955 | e89f66ec | bellard | /* xor */
|
956 | e89f66ec | bellard | val ^= s->latch; |
957 | e89f66ec | bellard | break;
|
958 | e89f66ec | bellard | } |
959 | e89f66ec | bellard | |
960 | e89f66ec | bellard | /* apply bit mask */
|
961 | e89f66ec | bellard | bit_mask |= bit_mask << 8;
|
962 | e89f66ec | bellard | bit_mask |= bit_mask << 16;
|
963 | e89f66ec | bellard | val = (val & bit_mask) | (s->latch & ~bit_mask); |
964 | e89f66ec | bellard | |
965 | e89f66ec | bellard | do_write:
|
966 | e89f66ec | bellard | /* mask data according to sr[2] */
|
967 | 5e55efc9 | Blue Swirl | mask = s->sr[VGA_SEQ_PLANE_WRITE]; |
968 | 546fa6ab | bellard | s->plane_updated |= mask; /* only used to detect font change */
|
969 | 546fa6ab | bellard | write_mask = mask16[mask]; |
970 | 5fafdf24 | ths | ((uint32_t *)s->vram_ptr)[addr] = |
971 | 5fafdf24 | ths | (((uint32_t *)s->vram_ptr)[addr] & ~write_mask) | |
972 | e89f66ec | bellard | (val & write_mask); |
973 | 17b0018b | bellard | #ifdef DEBUG_VGA_MEM
|
974 | 0bf9e31a | Blue Swirl | printf("vga: latch: [0x" TARGET_FMT_plx "] mask=0x%08x val=0x%08x\n", |
975 | 0bf9e31a | Blue Swirl | addr * 4, write_mask, val);
|
976 | e89f66ec | bellard | #endif
|
977 | fd4aa979 | Blue Swirl | memory_region_set_dirty(&s->vram, addr << 2, sizeof(uint32_t)); |
978 | e89f66ec | bellard | } |
979 | e89f66ec | bellard | } |
980 | e89f66ec | bellard | |
981 | e89f66ec | bellard | typedef void vga_draw_glyph8_func(uint8_t *d, int linesize, |
982 | e89f66ec | bellard | const uint8_t *font_ptr, int h, |
983 | e89f66ec | bellard | uint32_t fgcol, uint32_t bgcol); |
984 | e89f66ec | bellard | typedef void vga_draw_glyph9_func(uint8_t *d, int linesize, |
985 | 5fafdf24 | ths | const uint8_t *font_ptr, int h, |
986 | e89f66ec | bellard | uint32_t fgcol, uint32_t bgcol, int dup9);
|
987 | cedd91d2 | Juan Quintela | typedef void vga_draw_line_func(VGACommonState *s1, uint8_t *d, |
988 | e89f66ec | bellard | const uint8_t *s, int width); |
989 | e89f66ec | bellard | |
990 | e89f66ec | bellard | #define DEPTH 8 |
991 | e89f66ec | bellard | #include "vga_template.h" |
992 | e89f66ec | bellard | |
993 | e89f66ec | bellard | #define DEPTH 15 |
994 | e89f66ec | bellard | #include "vga_template.h" |
995 | e89f66ec | bellard | |
996 | a2502b58 | blueswir1 | #define BGR_FORMAT
|
997 | a2502b58 | blueswir1 | #define DEPTH 15 |
998 | a2502b58 | blueswir1 | #include "vga_template.h" |
999 | a2502b58 | blueswir1 | |
1000 | a2502b58 | blueswir1 | #define DEPTH 16 |
1001 | a2502b58 | blueswir1 | #include "vga_template.h" |
1002 | a2502b58 | blueswir1 | |
1003 | a2502b58 | blueswir1 | #define BGR_FORMAT
|
1004 | e89f66ec | bellard | #define DEPTH 16 |
1005 | e89f66ec | bellard | #include "vga_template.h" |
1006 | e89f66ec | bellard | |
1007 | e89f66ec | bellard | #define DEPTH 32 |
1008 | e89f66ec | bellard | #include "vga_template.h" |
1009 | e89f66ec | bellard | |
1010 | d3079cd2 | bellard | #define BGR_FORMAT
|
1011 | d3079cd2 | bellard | #define DEPTH 32 |
1012 | d3079cd2 | bellard | #include "vga_template.h" |
1013 | d3079cd2 | bellard | |
1014 | 17b0018b | bellard | static unsigned int rgb_to_pixel8_dup(unsigned int r, unsigned int g, unsigned b) |
1015 | 17b0018b | bellard | { |
1016 | 17b0018b | bellard | unsigned int col; |
1017 | 17b0018b | bellard | col = rgb_to_pixel8(r, g, b); |
1018 | 17b0018b | bellard | col |= col << 8;
|
1019 | 17b0018b | bellard | col |= col << 16;
|
1020 | 17b0018b | bellard | return col;
|
1021 | 17b0018b | bellard | } |
1022 | 17b0018b | bellard | |
1023 | 17b0018b | bellard | static unsigned int rgb_to_pixel15_dup(unsigned int r, unsigned int g, unsigned b) |
1024 | 17b0018b | bellard | { |
1025 | 17b0018b | bellard | unsigned int col; |
1026 | 17b0018b | bellard | col = rgb_to_pixel15(r, g, b); |
1027 | 17b0018b | bellard | col |= col << 16;
|
1028 | 17b0018b | bellard | return col;
|
1029 | 17b0018b | bellard | } |
1030 | 17b0018b | bellard | |
1031 | b29169d2 | blueswir1 | static unsigned int rgb_to_pixel15bgr_dup(unsigned int r, unsigned int g, |
1032 | b29169d2 | blueswir1 | unsigned int b) |
1033 | b29169d2 | blueswir1 | { |
1034 | b29169d2 | blueswir1 | unsigned int col; |
1035 | b29169d2 | blueswir1 | col = rgb_to_pixel15bgr(r, g, b); |
1036 | b29169d2 | blueswir1 | col |= col << 16;
|
1037 | b29169d2 | blueswir1 | return col;
|
1038 | b29169d2 | blueswir1 | } |
1039 | b29169d2 | blueswir1 | |
1040 | 17b0018b | bellard | static unsigned int rgb_to_pixel16_dup(unsigned int r, unsigned int g, unsigned b) |
1041 | 17b0018b | bellard | { |
1042 | 17b0018b | bellard | unsigned int col; |
1043 | 17b0018b | bellard | col = rgb_to_pixel16(r, g, b); |
1044 | 17b0018b | bellard | col |= col << 16;
|
1045 | 17b0018b | bellard | return col;
|
1046 | 17b0018b | bellard | } |
1047 | 17b0018b | bellard | |
1048 | b29169d2 | blueswir1 | static unsigned int rgb_to_pixel16bgr_dup(unsigned int r, unsigned int g, |
1049 | b29169d2 | blueswir1 | unsigned int b) |
1050 | b29169d2 | blueswir1 | { |
1051 | b29169d2 | blueswir1 | unsigned int col; |
1052 | b29169d2 | blueswir1 | col = rgb_to_pixel16bgr(r, g, b); |
1053 | b29169d2 | blueswir1 | col |= col << 16;
|
1054 | b29169d2 | blueswir1 | return col;
|
1055 | b29169d2 | blueswir1 | } |
1056 | b29169d2 | blueswir1 | |
1057 | 17b0018b | bellard | static unsigned int rgb_to_pixel32_dup(unsigned int r, unsigned int g, unsigned b) |
1058 | 17b0018b | bellard | { |
1059 | 17b0018b | bellard | unsigned int col; |
1060 | 17b0018b | bellard | col = rgb_to_pixel32(r, g, b); |
1061 | 17b0018b | bellard | return col;
|
1062 | 17b0018b | bellard | } |
1063 | 17b0018b | bellard | |
1064 | d3079cd2 | bellard | static unsigned int rgb_to_pixel32bgr_dup(unsigned int r, unsigned int g, unsigned b) |
1065 | d3079cd2 | bellard | { |
1066 | d3079cd2 | bellard | unsigned int col; |
1067 | d3079cd2 | bellard | col = rgb_to_pixel32bgr(r, g, b); |
1068 | d3079cd2 | bellard | return col;
|
1069 | d3079cd2 | bellard | } |
1070 | d3079cd2 | bellard | |
1071 | e89f66ec | bellard | /* return true if the palette was modified */
|
1072 | cedd91d2 | Juan Quintela | static int update_palette16(VGACommonState *s) |
1073 | e89f66ec | bellard | { |
1074 | 17b0018b | bellard | int full_update, i;
|
1075 | e89f66ec | bellard | uint32_t v, col, *palette; |
1076 | e89f66ec | bellard | |
1077 | e89f66ec | bellard | full_update = 0;
|
1078 | e89f66ec | bellard | palette = s->last_palette; |
1079 | e89f66ec | bellard | for(i = 0; i < 16; i++) { |
1080 | e89f66ec | bellard | v = s->ar[i]; |
1081 | 5e55efc9 | Blue Swirl | if (s->ar[VGA_ATC_MODE] & 0x80) { |
1082 | 5e55efc9 | Blue Swirl | v = ((s->ar[VGA_ATC_COLOR_PAGE] & 0xf) << 4) | (v & 0xf); |
1083 | 5e55efc9 | Blue Swirl | } else {
|
1084 | 5e55efc9 | Blue Swirl | v = ((s->ar[VGA_ATC_COLOR_PAGE] & 0xc) << 4) | (v & 0x3f); |
1085 | 5e55efc9 | Blue Swirl | } |
1086 | e89f66ec | bellard | v = v * 3;
|
1087 | 5fafdf24 | ths | col = s->rgb_to_pixel(c6_to_8(s->palette[v]), |
1088 | 5fafdf24 | ths | c6_to_8(s->palette[v + 1]),
|
1089 | 17b0018b | bellard | c6_to_8(s->palette[v + 2]));
|
1090 | 17b0018b | bellard | if (col != palette[i]) {
|
1091 | 17b0018b | bellard | full_update = 1;
|
1092 | 17b0018b | bellard | palette[i] = col; |
1093 | e89f66ec | bellard | } |
1094 | 17b0018b | bellard | } |
1095 | 17b0018b | bellard | return full_update;
|
1096 | 17b0018b | bellard | } |
1097 | 17b0018b | bellard | |
1098 | 17b0018b | bellard | /* return true if the palette was modified */
|
1099 | cedd91d2 | Juan Quintela | static int update_palette256(VGACommonState *s) |
1100 | 17b0018b | bellard | { |
1101 | 17b0018b | bellard | int full_update, i;
|
1102 | 17b0018b | bellard | uint32_t v, col, *palette; |
1103 | 17b0018b | bellard | |
1104 | 17b0018b | bellard | full_update = 0;
|
1105 | 17b0018b | bellard | palette = s->last_palette; |
1106 | 17b0018b | bellard | v = 0;
|
1107 | 17b0018b | bellard | for(i = 0; i < 256; i++) { |
1108 | 37dd208d | bellard | if (s->dac_8bit) {
|
1109 | 5fafdf24 | ths | col = s->rgb_to_pixel(s->palette[v], |
1110 | 5fafdf24 | ths | s->palette[v + 1],
|
1111 | 37dd208d | bellard | s->palette[v + 2]);
|
1112 | 37dd208d | bellard | } else {
|
1113 | 5fafdf24 | ths | col = s->rgb_to_pixel(c6_to_8(s->palette[v]), |
1114 | 5fafdf24 | ths | c6_to_8(s->palette[v + 1]),
|
1115 | 37dd208d | bellard | c6_to_8(s->palette[v + 2]));
|
1116 | 37dd208d | bellard | } |
1117 | e89f66ec | bellard | if (col != palette[i]) {
|
1118 | e89f66ec | bellard | full_update = 1;
|
1119 | e89f66ec | bellard | palette[i] = col; |
1120 | e89f66ec | bellard | } |
1121 | 17b0018b | bellard | v += 3;
|
1122 | e89f66ec | bellard | } |
1123 | e89f66ec | bellard | return full_update;
|
1124 | e89f66ec | bellard | } |
1125 | e89f66ec | bellard | |
1126 | cedd91d2 | Juan Quintela | static void vga_get_offsets(VGACommonState *s, |
1127 | 5fafdf24 | ths | uint32_t *pline_offset, |
1128 | 83acc96b | bellard | uint32_t *pstart_addr, |
1129 | 83acc96b | bellard | uint32_t *pline_compare) |
1130 | e89f66ec | bellard | { |
1131 | 83acc96b | bellard | uint32_t start_addr, line_offset, line_compare; |
1132 | 4fa0f5d2 | bellard | #ifdef CONFIG_BOCHS_VBE
|
1133 | 4fa0f5d2 | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED) {
|
1134 | 4fa0f5d2 | bellard | line_offset = s->vbe_line_offset; |
1135 | 4fa0f5d2 | bellard | start_addr = s->vbe_start_addr; |
1136 | 83acc96b | bellard | line_compare = 65535;
|
1137 | 4fa0f5d2 | bellard | } else
|
1138 | 4fa0f5d2 | bellard | #endif
|
1139 | 3b46e624 | ths | { |
1140 | 4fa0f5d2 | bellard | /* compute line_offset in bytes */
|
1141 | 5e55efc9 | Blue Swirl | line_offset = s->cr[VGA_CRTC_OFFSET]; |
1142 | 4fa0f5d2 | bellard | line_offset <<= 3;
|
1143 | 08e48902 | bellard | |
1144 | 4fa0f5d2 | bellard | /* starting address */
|
1145 | 5e55efc9 | Blue Swirl | start_addr = s->cr[VGA_CRTC_START_LO] | |
1146 | 5e55efc9 | Blue Swirl | (s->cr[VGA_CRTC_START_HI] << 8);
|
1147 | 83acc96b | bellard | |
1148 | 83acc96b | bellard | /* line compare */
|
1149 | 5e55efc9 | Blue Swirl | line_compare = s->cr[VGA_CRTC_LINE_COMPARE] | |
1150 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_OVERFLOW] & 0x10) << 4) | |
1151 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_MAX_SCAN] & 0x40) << 3); |
1152 | 4fa0f5d2 | bellard | } |
1153 | 798b0c25 | bellard | *pline_offset = line_offset; |
1154 | 798b0c25 | bellard | *pstart_addr = start_addr; |
1155 | 83acc96b | bellard | *pline_compare = line_compare; |
1156 | 798b0c25 | bellard | } |
1157 | 798b0c25 | bellard | |
1158 | 798b0c25 | bellard | /* update start_addr and line_offset. Return TRUE if modified */
|
1159 | cedd91d2 | Juan Quintela | static int update_basic_params(VGACommonState *s) |
1160 | 798b0c25 | bellard | { |
1161 | 798b0c25 | bellard | int full_update;
|
1162 | 798b0c25 | bellard | uint32_t start_addr, line_offset, line_compare; |
1163 | 3b46e624 | ths | |
1164 | 798b0c25 | bellard | full_update = 0;
|
1165 | 798b0c25 | bellard | |
1166 | 83acc96b | bellard | s->get_offsets(s, &line_offset, &start_addr, &line_compare); |
1167 | e89f66ec | bellard | |
1168 | e89f66ec | bellard | if (line_offset != s->line_offset ||
|
1169 | e89f66ec | bellard | start_addr != s->start_addr || |
1170 | e89f66ec | bellard | line_compare != s->line_compare) { |
1171 | e89f66ec | bellard | s->line_offset = line_offset; |
1172 | e89f66ec | bellard | s->start_addr = start_addr; |
1173 | e89f66ec | bellard | s->line_compare = line_compare; |
1174 | e89f66ec | bellard | full_update = 1;
|
1175 | e89f66ec | bellard | } |
1176 | e89f66ec | bellard | return full_update;
|
1177 | e89f66ec | bellard | } |
1178 | e89f66ec | bellard | |
1179 | b29169d2 | blueswir1 | #define NB_DEPTHS 7 |
1180 | d3079cd2 | bellard | |
1181 | d3079cd2 | bellard | static inline int get_depth_index(DisplayState *s) |
1182 | e89f66ec | bellard | { |
1183 | 0e1f5a0c | aliguori | switch(ds_get_bits_per_pixel(s)) {
|
1184 | e89f66ec | bellard | default:
|
1185 | e89f66ec | bellard | case 8: |
1186 | e89f66ec | bellard | return 0; |
1187 | e89f66ec | bellard | case 15: |
1188 | 8927bcfd | aliguori | return 1; |
1189 | e89f66ec | bellard | case 16: |
1190 | 8927bcfd | aliguori | return 2; |
1191 | e89f66ec | bellard | case 32: |
1192 | 7b5d76da | aliguori | if (is_surface_bgr(s->surface))
|
1193 | 7b5d76da | aliguori | return 4; |
1194 | 7b5d76da | aliguori | else
|
1195 | 7b5d76da | aliguori | return 3; |
1196 | e89f66ec | bellard | } |
1197 | e89f66ec | bellard | } |
1198 | e89f66ec | bellard | |
1199 | 68f04a3c | Blue Swirl | static vga_draw_glyph8_func * const vga_draw_glyph8_table[NB_DEPTHS] = { |
1200 | e89f66ec | bellard | vga_draw_glyph8_8, |
1201 | e89f66ec | bellard | vga_draw_glyph8_16, |
1202 | e89f66ec | bellard | vga_draw_glyph8_16, |
1203 | e89f66ec | bellard | vga_draw_glyph8_32, |
1204 | d3079cd2 | bellard | vga_draw_glyph8_32, |
1205 | b29169d2 | blueswir1 | vga_draw_glyph8_16, |
1206 | b29169d2 | blueswir1 | vga_draw_glyph8_16, |
1207 | e89f66ec | bellard | }; |
1208 | e89f66ec | bellard | |
1209 | 68f04a3c | Blue Swirl | static vga_draw_glyph8_func * const vga_draw_glyph16_table[NB_DEPTHS] = { |
1210 | 17b0018b | bellard | vga_draw_glyph16_8, |
1211 | 17b0018b | bellard | vga_draw_glyph16_16, |
1212 | 17b0018b | bellard | vga_draw_glyph16_16, |
1213 | 17b0018b | bellard | vga_draw_glyph16_32, |
1214 | d3079cd2 | bellard | vga_draw_glyph16_32, |
1215 | b29169d2 | blueswir1 | vga_draw_glyph16_16, |
1216 | b29169d2 | blueswir1 | vga_draw_glyph16_16, |
1217 | 17b0018b | bellard | }; |
1218 | 17b0018b | bellard | |
1219 | 68f04a3c | Blue Swirl | static vga_draw_glyph9_func * const vga_draw_glyph9_table[NB_DEPTHS] = { |
1220 | e89f66ec | bellard | vga_draw_glyph9_8, |
1221 | e89f66ec | bellard | vga_draw_glyph9_16, |
1222 | e89f66ec | bellard | vga_draw_glyph9_16, |
1223 | e89f66ec | bellard | vga_draw_glyph9_32, |
1224 | d3079cd2 | bellard | vga_draw_glyph9_32, |
1225 | b29169d2 | blueswir1 | vga_draw_glyph9_16, |
1226 | b29169d2 | blueswir1 | vga_draw_glyph9_16, |
1227 | e89f66ec | bellard | }; |
1228 | 3b46e624 | ths | |
1229 | e89f66ec | bellard | static const uint8_t cursor_glyph[32 * 4] = { |
1230 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1231 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1232 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1233 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1234 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1235 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1236 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1237 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1238 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1239 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1240 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1241 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1242 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1243 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1244 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1245 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1246 | 3b46e624 | ths | }; |
1247 | e89f66ec | bellard | |
1248 | cedd91d2 | Juan Quintela | static void vga_get_text_resolution(VGACommonState *s, int *pwidth, int *pheight, |
1249 | 4c5e8c5c | blueswir1 | int *pcwidth, int *pcheight) |
1250 | 4c5e8c5c | blueswir1 | { |
1251 | 4c5e8c5c | blueswir1 | int width, cwidth, height, cheight;
|
1252 | 4c5e8c5c | blueswir1 | |
1253 | 4c5e8c5c | blueswir1 | /* total width & height */
|
1254 | 5e55efc9 | Blue Swirl | cheight = (s->cr[VGA_CRTC_MAX_SCAN] & 0x1f) + 1; |
1255 | 4c5e8c5c | blueswir1 | cwidth = 8;
|
1256 | 5e55efc9 | Blue Swirl | if (!(s->sr[VGA_SEQ_CLOCK_MODE] & VGA_SR01_CHAR_CLK_8DOTS)) {
|
1257 | 4c5e8c5c | blueswir1 | cwidth = 9;
|
1258 | 5e55efc9 | Blue Swirl | } |
1259 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_CLOCK_MODE] & 0x08) { |
1260 | 4c5e8c5c | blueswir1 | cwidth = 16; /* NOTE: no 18 pixel wide */ |
1261 | 5e55efc9 | Blue Swirl | } |
1262 | 5e55efc9 | Blue Swirl | width = (s->cr[VGA_CRTC_H_DISP] + 1);
|
1263 | 5e55efc9 | Blue Swirl | if (s->cr[VGA_CRTC_V_TOTAL] == 100) { |
1264 | 4c5e8c5c | blueswir1 | /* ugly hack for CGA 160x100x16 - explain me the logic */
|
1265 | 4c5e8c5c | blueswir1 | height = 100;
|
1266 | 4c5e8c5c | blueswir1 | } else {
|
1267 | 5e55efc9 | Blue Swirl | height = s->cr[VGA_CRTC_V_DISP_END] | |
1268 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_OVERFLOW] & 0x02) << 7) | |
1269 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_OVERFLOW] & 0x40) << 3); |
1270 | 4c5e8c5c | blueswir1 | height = (height + 1) / cheight;
|
1271 | 4c5e8c5c | blueswir1 | } |
1272 | 4c5e8c5c | blueswir1 | |
1273 | 4c5e8c5c | blueswir1 | *pwidth = width; |
1274 | 4c5e8c5c | blueswir1 | *pheight = height; |
1275 | 4c5e8c5c | blueswir1 | *pcwidth = cwidth; |
1276 | 4c5e8c5c | blueswir1 | *pcheight = cheight; |
1277 | 4c5e8c5c | blueswir1 | } |
1278 | 4c5e8c5c | blueswir1 | |
1279 | 7d957bd8 | aliguori | typedef unsigned int rgb_to_pixel_dup_func(unsigned int r, unsigned int g, unsigned b); |
1280 | 7d957bd8 | aliguori | |
1281 | 68f04a3c | Blue Swirl | static rgb_to_pixel_dup_func * const rgb_to_pixel_dup_table[NB_DEPTHS] = { |
1282 | bdb19571 | aliguori | rgb_to_pixel8_dup, |
1283 | bdb19571 | aliguori | rgb_to_pixel15_dup, |
1284 | bdb19571 | aliguori | rgb_to_pixel16_dup, |
1285 | bdb19571 | aliguori | rgb_to_pixel32_dup, |
1286 | bdb19571 | aliguori | rgb_to_pixel32bgr_dup, |
1287 | bdb19571 | aliguori | rgb_to_pixel15bgr_dup, |
1288 | bdb19571 | aliguori | rgb_to_pixel16bgr_dup, |
1289 | bdb19571 | aliguori | }; |
1290 | 7d957bd8 | aliguori | |
1291 | 5fafdf24 | ths | /*
|
1292 | 5fafdf24 | ths | * Text mode update
|
1293 | e89f66ec | bellard | * Missing:
|
1294 | e89f66ec | bellard | * - double scan
|
1295 | 5fafdf24 | ths | * - double width
|
1296 | e89f66ec | bellard | * - underline
|
1297 | e89f66ec | bellard | * - flashing
|
1298 | e89f66ec | bellard | */
|
1299 | cedd91d2 | Juan Quintela | static void vga_draw_text(VGACommonState *s, int full_update) |
1300 | e89f66ec | bellard | { |
1301 | e89f66ec | bellard | int cx, cy, cheight, cw, ch, cattr, height, width, ch_attr;
|
1302 | cae334cd | malc | int cx_min, cx_max, linesize, x_incr, line, line1;
|
1303 | e89f66ec | bellard | uint32_t offset, fgcol, bgcol, v, cursor_offset; |
1304 | d1984194 | malc | uint8_t *d1, *d, *src, *dest, *cursor_ptr; |
1305 | e89f66ec | bellard | const uint8_t *font_ptr, *font_base[2]; |
1306 | e89f66ec | bellard | int dup9, line_offset, depth_index;
|
1307 | e89f66ec | bellard | uint32_t *palette; |
1308 | e89f66ec | bellard | uint32_t *ch_attr_ptr; |
1309 | e89f66ec | bellard | vga_draw_glyph8_func *vga_draw_glyph8; |
1310 | e89f66ec | bellard | vga_draw_glyph9_func *vga_draw_glyph9; |
1311 | 9aa0ff0b | Jan Kiszka | int64_t now = qemu_get_clock_ms(vm_clock); |
1312 | e89f66ec | bellard | |
1313 | e89f66ec | bellard | /* compute font data address (in plane 2) */
|
1314 | 5e55efc9 | Blue Swirl | v = s->sr[VGA_SEQ_CHARACTER_MAP]; |
1315 | 1078f663 | bellard | offset = (((v >> 4) & 1) | ((v << 1) & 6)) * 8192 * 4 + 2; |
1316 | e89f66ec | bellard | if (offset != s->font_offsets[0]) { |
1317 | e89f66ec | bellard | s->font_offsets[0] = offset;
|
1318 | e89f66ec | bellard | full_update = 1;
|
1319 | e89f66ec | bellard | } |
1320 | e89f66ec | bellard | font_base[0] = s->vram_ptr + offset;
|
1321 | e89f66ec | bellard | |
1322 | 1078f663 | bellard | offset = (((v >> 5) & 1) | ((v >> 1) & 6)) * 8192 * 4 + 2; |
1323 | e89f66ec | bellard | font_base[1] = s->vram_ptr + offset;
|
1324 | e89f66ec | bellard | if (offset != s->font_offsets[1]) { |
1325 | e89f66ec | bellard | s->font_offsets[1] = offset;
|
1326 | e89f66ec | bellard | full_update = 1;
|
1327 | e89f66ec | bellard | } |
1328 | 80763888 | Jan Kiszka | if (s->plane_updated & (1 << 2) || s->chain4_alias) { |
1329 | 546fa6ab | bellard | /* if the plane 2 was modified since the last display, it
|
1330 | 546fa6ab | bellard | indicates the font may have been modified */
|
1331 | 546fa6ab | bellard | s->plane_updated = 0;
|
1332 | 546fa6ab | bellard | full_update = 1;
|
1333 | 546fa6ab | bellard | } |
1334 | 799e709b | aliguori | full_update |= update_basic_params(s); |
1335 | e89f66ec | bellard | |
1336 | e89f66ec | bellard | line_offset = s->line_offset; |
1337 | e89f66ec | bellard | |
1338 | 4c5e8c5c | blueswir1 | vga_get_text_resolution(s, &width, &height, &cw, &cheight); |
1339 | 1b296044 | Stefan Weil | if ((height * width) <= 1) { |
1340 | 1b296044 | Stefan Weil | /* better than nothing: exit if transient size is too small */
|
1341 | 1b296044 | Stefan Weil | return;
|
1342 | 1b296044 | Stefan Weil | } |
1343 | 3294b949 | bellard | if ((height * width) > CH_ATTR_SIZE) {
|
1344 | 3294b949 | bellard | /* better than nothing: exit if transient size is too big */
|
1345 | 3294b949 | bellard | return;
|
1346 | 3294b949 | bellard | } |
1347 | 3294b949 | bellard | |
1348 | 799e709b | aliguori | if (width != s->last_width || height != s->last_height ||
|
1349 | 799e709b | aliguori | cw != s->last_cw || cheight != s->last_ch || s->last_depth) { |
1350 | 799e709b | aliguori | s->last_scr_width = width * cw; |
1351 | 799e709b | aliguori | s->last_scr_height = height * cheight; |
1352 | 799e709b | aliguori | qemu_console_resize(s->ds, s->last_scr_width, s->last_scr_height); |
1353 | 799e709b | aliguori | s->last_depth = 0;
|
1354 | 799e709b | aliguori | s->last_width = width; |
1355 | 799e709b | aliguori | s->last_height = height; |
1356 | 799e709b | aliguori | s->last_ch = cheight; |
1357 | 799e709b | aliguori | s->last_cw = cw; |
1358 | 799e709b | aliguori | full_update = 1;
|
1359 | 799e709b | aliguori | } |
1360 | 7d957bd8 | aliguori | s->rgb_to_pixel = |
1361 | 7d957bd8 | aliguori | rgb_to_pixel_dup_table[get_depth_index(s->ds)]; |
1362 | 7d957bd8 | aliguori | full_update |= update_palette16(s); |
1363 | 7d957bd8 | aliguori | palette = s->last_palette; |
1364 | 7d957bd8 | aliguori | x_incr = cw * ((ds_get_bits_per_pixel(s->ds) + 7) >> 3); |
1365 | 7d957bd8 | aliguori | |
1366 | 5e55efc9 | Blue Swirl | cursor_offset = ((s->cr[VGA_CRTC_CURSOR_HI] << 8) |
|
1367 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_CURSOR_LO]) - s->start_addr; |
1368 | e89f66ec | bellard | if (cursor_offset != s->cursor_offset ||
|
1369 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_CURSOR_START] != s->cursor_start || |
1370 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_CURSOR_END] != s->cursor_end) { |
1371 | e89f66ec | bellard | /* if the cursor position changed, we update the old and new
|
1372 | e89f66ec | bellard | chars */
|
1373 | e89f66ec | bellard | if (s->cursor_offset < CH_ATTR_SIZE)
|
1374 | e89f66ec | bellard | s->last_ch_attr[s->cursor_offset] = -1;
|
1375 | e89f66ec | bellard | if (cursor_offset < CH_ATTR_SIZE)
|
1376 | e89f66ec | bellard | s->last_ch_attr[cursor_offset] = -1;
|
1377 | e89f66ec | bellard | s->cursor_offset = cursor_offset; |
1378 | 5e55efc9 | Blue Swirl | s->cursor_start = s->cr[VGA_CRTC_CURSOR_START]; |
1379 | 5e55efc9 | Blue Swirl | s->cursor_end = s->cr[VGA_CRTC_CURSOR_END]; |
1380 | e89f66ec | bellard | } |
1381 | 39cf7803 | bellard | cursor_ptr = s->vram_ptr + (s->start_addr + cursor_offset) * 4;
|
1382 | 9aa0ff0b | Jan Kiszka | if (now >= s->cursor_blink_time) {
|
1383 | 9aa0ff0b | Jan Kiszka | s->cursor_blink_time = now + VGA_TEXT_CURSOR_PERIOD_MS / 2;
|
1384 | 9aa0ff0b | Jan Kiszka | s->cursor_visible_phase = !s->cursor_visible_phase; |
1385 | 9aa0ff0b | Jan Kiszka | } |
1386 | 3b46e624 | ths | |
1387 | d3079cd2 | bellard | depth_index = get_depth_index(s->ds); |
1388 | 17b0018b | bellard | if (cw == 16) |
1389 | 17b0018b | bellard | vga_draw_glyph8 = vga_draw_glyph16_table[depth_index]; |
1390 | 17b0018b | bellard | else
|
1391 | 17b0018b | bellard | vga_draw_glyph8 = vga_draw_glyph8_table[depth_index]; |
1392 | e89f66ec | bellard | vga_draw_glyph9 = vga_draw_glyph9_table[depth_index]; |
1393 | 3b46e624 | ths | |
1394 | 0e1f5a0c | aliguori | dest = ds_get_data(s->ds); |
1395 | 0e1f5a0c | aliguori | linesize = ds_get_linesize(s->ds); |
1396 | e89f66ec | bellard | ch_attr_ptr = s->last_ch_attr; |
1397 | d1984194 | malc | line = 0;
|
1398 | d1984194 | malc | offset = s->start_addr * 4;
|
1399 | e89f66ec | bellard | for(cy = 0; cy < height; cy++) { |
1400 | e89f66ec | bellard | d1 = dest; |
1401 | d1984194 | malc | src = s->vram_ptr + offset; |
1402 | e89f66ec | bellard | cx_min = width; |
1403 | e89f66ec | bellard | cx_max = -1;
|
1404 | e89f66ec | bellard | for(cx = 0; cx < width; cx++) { |
1405 | e89f66ec | bellard | ch_attr = *(uint16_t *)src; |
1406 | 9aa0ff0b | Jan Kiszka | if (full_update || ch_attr != *ch_attr_ptr || src == cursor_ptr) {
|
1407 | e89f66ec | bellard | if (cx < cx_min)
|
1408 | e89f66ec | bellard | cx_min = cx; |
1409 | e89f66ec | bellard | if (cx > cx_max)
|
1410 | e89f66ec | bellard | cx_max = cx; |
1411 | e89f66ec | bellard | *ch_attr_ptr = ch_attr; |
1412 | e2542fe2 | Juan Quintela | #ifdef HOST_WORDS_BIGENDIAN
|
1413 | e89f66ec | bellard | ch = ch_attr >> 8;
|
1414 | e89f66ec | bellard | cattr = ch_attr & 0xff;
|
1415 | e89f66ec | bellard | #else
|
1416 | e89f66ec | bellard | ch = ch_attr & 0xff;
|
1417 | e89f66ec | bellard | cattr = ch_attr >> 8;
|
1418 | e89f66ec | bellard | #endif
|
1419 | e89f66ec | bellard | font_ptr = font_base[(cattr >> 3) & 1]; |
1420 | e89f66ec | bellard | font_ptr += 32 * 4 * ch; |
1421 | e89f66ec | bellard | bgcol = palette[cattr >> 4];
|
1422 | e89f66ec | bellard | fgcol = palette[cattr & 0x0f];
|
1423 | 17b0018b | bellard | if (cw != 9) { |
1424 | 5fafdf24 | ths | vga_draw_glyph8(d1, linesize, |
1425 | e89f66ec | bellard | font_ptr, cheight, fgcol, bgcol); |
1426 | e89f66ec | bellard | } else {
|
1427 | e89f66ec | bellard | dup9 = 0;
|
1428 | 5e55efc9 | Blue Swirl | if (ch >= 0xb0 && ch <= 0xdf && |
1429 | 5e55efc9 | Blue Swirl | (s->ar[VGA_ATC_MODE] & 0x04)) {
|
1430 | e89f66ec | bellard | dup9 = 1;
|
1431 | 5e55efc9 | Blue Swirl | } |
1432 | 5fafdf24 | ths | vga_draw_glyph9(d1, linesize, |
1433 | e89f66ec | bellard | font_ptr, cheight, fgcol, bgcol, dup9); |
1434 | e89f66ec | bellard | } |
1435 | e89f66ec | bellard | if (src == cursor_ptr &&
|
1436 | 9aa0ff0b | Jan Kiszka | !(s->cr[VGA_CRTC_CURSOR_START] & 0x20) &&
|
1437 | 9aa0ff0b | Jan Kiszka | s->cursor_visible_phase) { |
1438 | e89f66ec | bellard | int line_start, line_last, h;
|
1439 | e89f66ec | bellard | /* draw the cursor */
|
1440 | 5e55efc9 | Blue Swirl | line_start = s->cr[VGA_CRTC_CURSOR_START] & 0x1f;
|
1441 | 5e55efc9 | Blue Swirl | line_last = s->cr[VGA_CRTC_CURSOR_END] & 0x1f;
|
1442 | e89f66ec | bellard | /* XXX: check that */
|
1443 | e89f66ec | bellard | if (line_last > cheight - 1) |
1444 | e89f66ec | bellard | line_last = cheight - 1;
|
1445 | e89f66ec | bellard | if (line_last >= line_start && line_start < cheight) {
|
1446 | e89f66ec | bellard | h = line_last - line_start + 1;
|
1447 | e89f66ec | bellard | d = d1 + linesize * line_start; |
1448 | 17b0018b | bellard | if (cw != 9) { |
1449 | 5fafdf24 | ths | vga_draw_glyph8(d, linesize, |
1450 | e89f66ec | bellard | cursor_glyph, h, fgcol, bgcol); |
1451 | e89f66ec | bellard | } else {
|
1452 | 5fafdf24 | ths | vga_draw_glyph9(d, linesize, |
1453 | e89f66ec | bellard | cursor_glyph, h, fgcol, bgcol, 1);
|
1454 | e89f66ec | bellard | } |
1455 | e89f66ec | bellard | } |
1456 | e89f66ec | bellard | } |
1457 | e89f66ec | bellard | } |
1458 | e89f66ec | bellard | d1 += x_incr; |
1459 | e89f66ec | bellard | src += 4;
|
1460 | e89f66ec | bellard | ch_attr_ptr++; |
1461 | e89f66ec | bellard | } |
1462 | e89f66ec | bellard | if (cx_max != -1) { |
1463 | 5fafdf24 | ths | dpy_update(s->ds, cx_min * cw, cy * cheight, |
1464 | e89f66ec | bellard | (cx_max - cx_min + 1) * cw, cheight);
|
1465 | e89f66ec | bellard | } |
1466 | e89f66ec | bellard | dest += linesize * cheight; |
1467 | cae334cd | malc | line1 = line + cheight; |
1468 | cae334cd | malc | offset += line_offset; |
1469 | cae334cd | malc | if (line < s->line_compare && line1 >= s->line_compare) {
|
1470 | d1984194 | malc | offset = 0;
|
1471 | d1984194 | malc | } |
1472 | cae334cd | malc | line = line1; |
1473 | e89f66ec | bellard | } |
1474 | e89f66ec | bellard | } |
1475 | e89f66ec | bellard | |
1476 | 17b0018b | bellard | enum {
|
1477 | 17b0018b | bellard | VGA_DRAW_LINE2, |
1478 | 17b0018b | bellard | VGA_DRAW_LINE2D2, |
1479 | 17b0018b | bellard | VGA_DRAW_LINE4, |
1480 | 17b0018b | bellard | VGA_DRAW_LINE4D2, |
1481 | 17b0018b | bellard | VGA_DRAW_LINE8D2, |
1482 | 17b0018b | bellard | VGA_DRAW_LINE8, |
1483 | 17b0018b | bellard | VGA_DRAW_LINE15, |
1484 | 17b0018b | bellard | VGA_DRAW_LINE16, |
1485 | 4fa0f5d2 | bellard | VGA_DRAW_LINE24, |
1486 | 17b0018b | bellard | VGA_DRAW_LINE32, |
1487 | 17b0018b | bellard | VGA_DRAW_LINE_NB, |
1488 | 17b0018b | bellard | }; |
1489 | 17b0018b | bellard | |
1490 | 68f04a3c | Blue Swirl | static vga_draw_line_func * const vga_draw_line_table[NB_DEPTHS * VGA_DRAW_LINE_NB] = { |
1491 | e89f66ec | bellard | vga_draw_line2_8, |
1492 | e89f66ec | bellard | vga_draw_line2_16, |
1493 | e89f66ec | bellard | vga_draw_line2_16, |
1494 | e89f66ec | bellard | vga_draw_line2_32, |
1495 | d3079cd2 | bellard | vga_draw_line2_32, |
1496 | b29169d2 | blueswir1 | vga_draw_line2_16, |
1497 | b29169d2 | blueswir1 | vga_draw_line2_16, |
1498 | e89f66ec | bellard | |
1499 | 17b0018b | bellard | vga_draw_line2d2_8, |
1500 | 17b0018b | bellard | vga_draw_line2d2_16, |
1501 | 17b0018b | bellard | vga_draw_line2d2_16, |
1502 | 17b0018b | bellard | vga_draw_line2d2_32, |
1503 | d3079cd2 | bellard | vga_draw_line2d2_32, |
1504 | b29169d2 | blueswir1 | vga_draw_line2d2_16, |
1505 | b29169d2 | blueswir1 | vga_draw_line2d2_16, |
1506 | 17b0018b | bellard | |
1507 | e89f66ec | bellard | vga_draw_line4_8, |
1508 | e89f66ec | bellard | vga_draw_line4_16, |
1509 | e89f66ec | bellard | vga_draw_line4_16, |
1510 | e89f66ec | bellard | vga_draw_line4_32, |
1511 | d3079cd2 | bellard | vga_draw_line4_32, |
1512 | b29169d2 | blueswir1 | vga_draw_line4_16, |
1513 | b29169d2 | blueswir1 | vga_draw_line4_16, |
1514 | e89f66ec | bellard | |
1515 | 17b0018b | bellard | vga_draw_line4d2_8, |
1516 | 17b0018b | bellard | vga_draw_line4d2_16, |
1517 | 17b0018b | bellard | vga_draw_line4d2_16, |
1518 | 17b0018b | bellard | vga_draw_line4d2_32, |
1519 | d3079cd2 | bellard | vga_draw_line4d2_32, |
1520 | b29169d2 | blueswir1 | vga_draw_line4d2_16, |
1521 | b29169d2 | blueswir1 | vga_draw_line4d2_16, |
1522 | 17b0018b | bellard | |
1523 | 17b0018b | bellard | vga_draw_line8d2_8, |
1524 | 17b0018b | bellard | vga_draw_line8d2_16, |
1525 | 17b0018b | bellard | vga_draw_line8d2_16, |
1526 | 17b0018b | bellard | vga_draw_line8d2_32, |
1527 | d3079cd2 | bellard | vga_draw_line8d2_32, |
1528 | b29169d2 | blueswir1 | vga_draw_line8d2_16, |
1529 | b29169d2 | blueswir1 | vga_draw_line8d2_16, |
1530 | 17b0018b | bellard | |
1531 | e89f66ec | bellard | vga_draw_line8_8, |
1532 | e89f66ec | bellard | vga_draw_line8_16, |
1533 | e89f66ec | bellard | vga_draw_line8_16, |
1534 | e89f66ec | bellard | vga_draw_line8_32, |
1535 | d3079cd2 | bellard | vga_draw_line8_32, |
1536 | b29169d2 | blueswir1 | vga_draw_line8_16, |
1537 | b29169d2 | blueswir1 | vga_draw_line8_16, |
1538 | e89f66ec | bellard | |
1539 | e89f66ec | bellard | vga_draw_line15_8, |
1540 | e89f66ec | bellard | vga_draw_line15_15, |
1541 | e89f66ec | bellard | vga_draw_line15_16, |
1542 | e89f66ec | bellard | vga_draw_line15_32, |
1543 | d3079cd2 | bellard | vga_draw_line15_32bgr, |
1544 | b29169d2 | blueswir1 | vga_draw_line15_15bgr, |
1545 | b29169d2 | blueswir1 | vga_draw_line15_16bgr, |
1546 | e89f66ec | bellard | |
1547 | e89f66ec | bellard | vga_draw_line16_8, |
1548 | e89f66ec | bellard | vga_draw_line16_15, |
1549 | e89f66ec | bellard | vga_draw_line16_16, |
1550 | e89f66ec | bellard | vga_draw_line16_32, |
1551 | d3079cd2 | bellard | vga_draw_line16_32bgr, |
1552 | b29169d2 | blueswir1 | vga_draw_line16_15bgr, |
1553 | b29169d2 | blueswir1 | vga_draw_line16_16bgr, |
1554 | e89f66ec | bellard | |
1555 | 4fa0f5d2 | bellard | vga_draw_line24_8, |
1556 | 4fa0f5d2 | bellard | vga_draw_line24_15, |
1557 | 4fa0f5d2 | bellard | vga_draw_line24_16, |
1558 | 4fa0f5d2 | bellard | vga_draw_line24_32, |
1559 | d3079cd2 | bellard | vga_draw_line24_32bgr, |
1560 | b29169d2 | blueswir1 | vga_draw_line24_15bgr, |
1561 | b29169d2 | blueswir1 | vga_draw_line24_16bgr, |
1562 | 4fa0f5d2 | bellard | |
1563 | e89f66ec | bellard | vga_draw_line32_8, |
1564 | e89f66ec | bellard | vga_draw_line32_15, |
1565 | e89f66ec | bellard | vga_draw_line32_16, |
1566 | e89f66ec | bellard | vga_draw_line32_32, |
1567 | d3079cd2 | bellard | vga_draw_line32_32bgr, |
1568 | b29169d2 | blueswir1 | vga_draw_line32_15bgr, |
1569 | b29169d2 | blueswir1 | vga_draw_line32_16bgr, |
1570 | d3079cd2 | bellard | }; |
1571 | d3079cd2 | bellard | |
1572 | cedd91d2 | Juan Quintela | static int vga_get_bpp(VGACommonState *s) |
1573 | 798b0c25 | bellard | { |
1574 | 798b0c25 | bellard | int ret;
|
1575 | 798b0c25 | bellard | #ifdef CONFIG_BOCHS_VBE
|
1576 | 798b0c25 | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED) {
|
1577 | 798b0c25 | bellard | ret = s->vbe_regs[VBE_DISPI_INDEX_BPP]; |
1578 | 5fafdf24 | ths | } else
|
1579 | 798b0c25 | bellard | #endif
|
1580 | 798b0c25 | bellard | { |
1581 | 798b0c25 | bellard | ret = 0;
|
1582 | 798b0c25 | bellard | } |
1583 | 798b0c25 | bellard | return ret;
|
1584 | 798b0c25 | bellard | } |
1585 | 798b0c25 | bellard | |
1586 | cedd91d2 | Juan Quintela | static void vga_get_resolution(VGACommonState *s, int *pwidth, int *pheight) |
1587 | a130a41e | bellard | { |
1588 | a130a41e | bellard | int width, height;
|
1589 | 3b46e624 | ths | |
1590 | 8454df8b | bellard | #ifdef CONFIG_BOCHS_VBE
|
1591 | 8454df8b | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED) {
|
1592 | 8454df8b | bellard | width = s->vbe_regs[VBE_DISPI_INDEX_XRES]; |
1593 | 8454df8b | bellard | height = s->vbe_regs[VBE_DISPI_INDEX_YRES]; |
1594 | 5fafdf24 | ths | } else
|
1595 | 8454df8b | bellard | #endif
|
1596 | 8454df8b | bellard | { |
1597 | 5e55efc9 | Blue Swirl | width = (s->cr[VGA_CRTC_H_DISP] + 1) * 8; |
1598 | 5e55efc9 | Blue Swirl | height = s->cr[VGA_CRTC_V_DISP_END] | |
1599 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_OVERFLOW] & 0x02) << 7) | |
1600 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_OVERFLOW] & 0x40) << 3); |
1601 | 8454df8b | bellard | height = (height + 1);
|
1602 | 8454df8b | bellard | } |
1603 | a130a41e | bellard | *pwidth = width; |
1604 | a130a41e | bellard | *pheight = height; |
1605 | a130a41e | bellard | } |
1606 | a130a41e | bellard | |
1607 | cedd91d2 | Juan Quintela | void vga_invalidate_scanlines(VGACommonState *s, int y1, int y2) |
1608 | a8aa669b | bellard | { |
1609 | a8aa669b | bellard | int y;
|
1610 | a8aa669b | bellard | if (y1 >= VGA_MAX_HEIGHT)
|
1611 | a8aa669b | bellard | return;
|
1612 | a8aa669b | bellard | if (y2 >= VGA_MAX_HEIGHT)
|
1613 | a8aa669b | bellard | y2 = VGA_MAX_HEIGHT; |
1614 | a8aa669b | bellard | for(y = y1; y < y2; y++) {
|
1615 | a8aa669b | bellard | s->invalidated_y_table[y >> 5] |= 1 << (y & 0x1f); |
1616 | a8aa669b | bellard | } |
1617 | a8aa669b | bellard | } |
1618 | a8aa669b | bellard | |
1619 | cedd91d2 | Juan Quintela | static void vga_sync_dirty_bitmap(VGACommonState *s) |
1620 | 2bec46dc | aliguori | { |
1621 | b1950430 | Avi Kivity | memory_region_sync_dirty_bitmap(&s->vram); |
1622 | 2bec46dc | aliguori | } |
1623 | 2bec46dc | aliguori | |
1624 | 50af3246 | Juan Quintela | void vga_dirty_log_start(VGACommonState *s)
|
1625 | 50af3246 | Juan Quintela | { |
1626 | b1950430 | Avi Kivity | memory_region_set_log(&s->vram, true, DIRTY_MEMORY_VGA);
|
1627 | b5cc6e32 | Anthony Liguori | } |
1628 | b5cc6e32 | Anthony Liguori | |
1629 | b5cc6e32 | Anthony Liguori | void vga_dirty_log_stop(VGACommonState *s)
|
1630 | b5cc6e32 | Anthony Liguori | { |
1631 | b1950430 | Avi Kivity | memory_region_set_log(&s->vram, false, DIRTY_MEMORY_VGA);
|
1632 | b5cc6e32 | Anthony Liguori | } |
1633 | b5cc6e32 | Anthony Liguori | |
1634 | 799e709b | aliguori | /*
|
1635 | 799e709b | aliguori | * graphic modes
|
1636 | 799e709b | aliguori | */
|
1637 | cedd91d2 | Juan Quintela | static void vga_draw_graphic(VGACommonState *s, int full_update) |
1638 | e89f66ec | bellard | { |
1639 | 12c7e75a | Avi Kivity | int y1, y, update, linesize, y_start, double_scan, mask, depth;
|
1640 | 12c7e75a | Avi Kivity | int width, height, shift_control, line_offset, bwidth, bits;
|
1641 | c227f099 | Anthony Liguori | ram_addr_t page0, page1, page_min, page_max; |
1642 | a07cf92a | bellard | int disp_width, multi_scan, multi_run;
|
1643 | 799e709b | aliguori | uint8_t *d; |
1644 | 799e709b | aliguori | uint32_t v, addr1, addr; |
1645 | 799e709b | aliguori | vga_draw_line_func *vga_draw_line; |
1646 | 799e709b | aliguori | |
1647 | 799e709b | aliguori | full_update |= update_basic_params(s); |
1648 | 799e709b | aliguori | |
1649 | 799e709b | aliguori | if (!full_update)
|
1650 | 799e709b | aliguori | vga_sync_dirty_bitmap(s); |
1651 | 2bec46dc | aliguori | |
1652 | a130a41e | bellard | s->get_resolution(s, &width, &height); |
1653 | 17b0018b | bellard | disp_width = width; |
1654 | 09a79b49 | bellard | |
1655 | 5e55efc9 | Blue Swirl | shift_control = (s->gr[VGA_GFX_MODE] >> 5) & 3; |
1656 | 5e55efc9 | Blue Swirl | double_scan = (s->cr[VGA_CRTC_MAX_SCAN] >> 7);
|
1657 | 799e709b | aliguori | if (shift_control != 1) { |
1658 | 5e55efc9 | Blue Swirl | multi_scan = (((s->cr[VGA_CRTC_MAX_SCAN] & 0x1f) + 1) << double_scan) |
1659 | 5e55efc9 | Blue Swirl | - 1;
|
1660 | 799e709b | aliguori | } else {
|
1661 | 799e709b | aliguori | /* in CGA modes, multi_scan is ignored */
|
1662 | 799e709b | aliguori | /* XXX: is it correct ? */
|
1663 | 799e709b | aliguori | multi_scan = double_scan; |
1664 | 799e709b | aliguori | } |
1665 | 799e709b | aliguori | multi_run = multi_scan; |
1666 | 17b0018b | bellard | if (shift_control != s->shift_control ||
|
1667 | 17b0018b | bellard | double_scan != s->double_scan) { |
1668 | 799e709b | aliguori | full_update = 1;
|
1669 | e89f66ec | bellard | s->shift_control = shift_control; |
1670 | 17b0018b | bellard | s->double_scan = double_scan; |
1671 | e89f66ec | bellard | } |
1672 | 3b46e624 | ths | |
1673 | aba35a6c | malc | if (shift_control == 0) { |
1674 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_CLOCK_MODE] & 8) { |
1675 | aba35a6c | malc | disp_width <<= 1;
|
1676 | aba35a6c | malc | } |
1677 | aba35a6c | malc | } else if (shift_control == 1) { |
1678 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_CLOCK_MODE] & 8) { |
1679 | aba35a6c | malc | disp_width <<= 1;
|
1680 | aba35a6c | malc | } |
1681 | aba35a6c | malc | } |
1682 | aba35a6c | malc | |
1683 | 799e709b | aliguori | depth = s->get_bpp(s); |
1684 | e3697092 | aurel32 | if (s->line_offset != s->last_line_offset ||
|
1685 | e3697092 | aurel32 | disp_width != s->last_width || |
1686 | e3697092 | aurel32 | height != s->last_height || |
1687 | 799e709b | aliguori | s->last_depth != depth) { |
1688 | e2542fe2 | Juan Quintela | #if defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
|
1689 | e3697092 | aurel32 | if (depth == 16 || depth == 32) { |
1690 | 0da2ea1b | malc | #else
|
1691 | 0da2ea1b | malc | if (depth == 32) { |
1692 | 0da2ea1b | malc | #endif
|
1693 | b8c18e4c | aliguori | qemu_free_displaysurface(s->ds); |
1694 | b8c18e4c | aliguori | s->ds->surface = qemu_create_displaysurface_from(disp_width, height, depth, |
1695 | b8c18e4c | aliguori | s->line_offset, |
1696 | b8c18e4c | aliguori | s->vram_ptr + (s->start_addr * 4));
|
1697 | e2542fe2 | Juan Quintela | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
|
1698 | b8c18e4c | aliguori | s->ds->surface->pf = qemu_different_endianness_pixelformat(depth); |
1699 | 0da2ea1b | malc | #endif
|
1700 | b8c18e4c | aliguori | dpy_resize(s->ds); |
1701 | e3697092 | aurel32 | } else {
|
1702 | e3697092 | aurel32 | qemu_console_resize(s->ds, disp_width, height); |
1703 | e3697092 | aurel32 | } |
1704 | e3697092 | aurel32 | s->last_scr_width = disp_width; |
1705 | e3697092 | aurel32 | s->last_scr_height = height; |
1706 | e3697092 | aurel32 | s->last_width = disp_width; |
1707 | e3697092 | aurel32 | s->last_height = height; |
1708 | e3697092 | aurel32 | s->last_line_offset = s->line_offset; |
1709 | e3697092 | aurel32 | s->last_depth = depth; |
1710 | 799e709b | aliguori | full_update = 1;
|
1711 | 799e709b | aliguori | } else if (is_buffer_shared(s->ds->surface) && |
1712 | e3697092 | aurel32 | (full_update || s->ds->surface->data != s->vram_ptr + (s->start_addr * 4))) {
|
1713 | e3697092 | aurel32 | s->ds->surface->data = s->vram_ptr + (s->start_addr * 4);
|
1714 | e3697092 | aurel32 | dpy_setdata(s->ds); |
1715 | e3697092 | aurel32 | } |
1716 | e3697092 | aurel32 | |
1717 | e3697092 | aurel32 | s->rgb_to_pixel = |
1718 | e3697092 | aurel32 | rgb_to_pixel_dup_table[get_depth_index(s->ds)]; |
1719 | e3697092 | aurel32 | |
1720 | 799e709b | aliguori | if (shift_control == 0) { |
1721 | 17b0018b | bellard | full_update |= update_palette16(s); |
1722 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_CLOCK_MODE] & 8) { |
1723 | 17b0018b | bellard | v = VGA_DRAW_LINE4D2; |
1724 | 17b0018b | bellard | } else {
|
1725 | 17b0018b | bellard | v = VGA_DRAW_LINE4; |
1726 | 17b0018b | bellard | } |
1727 | 15342721 | aurel32 | bits = 4;
|
1728 | 799e709b | aliguori | } else if (shift_control == 1) { |
1729 | 17b0018b | bellard | full_update |= update_palette16(s); |
1730 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_CLOCK_MODE] & 8) { |
1731 | 17b0018b | bellard | v = VGA_DRAW_LINE2D2; |
1732 | 17b0018b | bellard | } else {
|
1733 | 17b0018b | bellard | v = VGA_DRAW_LINE2; |
1734 | 17b0018b | bellard | } |
1735 | 15342721 | aurel32 | bits = 4;
|
1736 | 17b0018b | bellard | } else {
|
1737 | 798b0c25 | bellard | switch(s->get_bpp(s)) {
|
1738 | 798b0c25 | bellard | default:
|
1739 | 798b0c25 | bellard | case 0: |
1740 | 4fa0f5d2 | bellard | full_update |= update_palette256(s); |
1741 | 4fa0f5d2 | bellard | v = VGA_DRAW_LINE8D2; |
1742 | 15342721 | aurel32 | bits = 4;
|
1743 | 798b0c25 | bellard | break;
|
1744 | 798b0c25 | bellard | case 8: |
1745 | 798b0c25 | bellard | full_update |= update_palette256(s); |
1746 | 798b0c25 | bellard | v = VGA_DRAW_LINE8; |
1747 | 15342721 | aurel32 | bits = 8;
|
1748 | 798b0c25 | bellard | break;
|
1749 | 798b0c25 | bellard | case 15: |
1750 | 798b0c25 | bellard | v = VGA_DRAW_LINE15; |
1751 | 15342721 | aurel32 | bits = 16;
|
1752 | 798b0c25 | bellard | break;
|
1753 | 798b0c25 | bellard | case 16: |
1754 | 798b0c25 | bellard | v = VGA_DRAW_LINE16; |
1755 | 15342721 | aurel32 | bits = 16;
|
1756 | 798b0c25 | bellard | break;
|
1757 | 798b0c25 | bellard | case 24: |
1758 | 798b0c25 | bellard | v = VGA_DRAW_LINE24; |
1759 | 15342721 | aurel32 | bits = 24;
|
1760 | 798b0c25 | bellard | break;
|
1761 | 798b0c25 | bellard | case 32: |
1762 | 798b0c25 | bellard | v = VGA_DRAW_LINE32; |
1763 | 15342721 | aurel32 | bits = 32;
|
1764 | 798b0c25 | bellard | break;
|
1765 | 4fa0f5d2 | bellard | } |
1766 | 17b0018b | bellard | } |
1767 | d3079cd2 | bellard | vga_draw_line = vga_draw_line_table[v * NB_DEPTHS + get_depth_index(s->ds)]; |
1768 | 17b0018b | bellard | |
1769 | 7d957bd8 | aliguori | if (!is_buffer_shared(s->ds->surface) && s->cursor_invalidate)
|
1770 | a8aa669b | bellard | s->cursor_invalidate(s); |
1771 | 3b46e624 | ths | |
1772 | e89f66ec | bellard | line_offset = s->line_offset; |
1773 | 17b0018b | bellard | #if 0
|
1774 | f6c958c8 | bellard | printf("w=%d h=%d v=%d line_offset=%d cr[0x09]=0x%02x cr[0x17]=0x%02x linecmp=%d sr[0x01]=0x%02x\n",
|
1775 | 5e55efc9 | Blue Swirl | width, height, v, line_offset, s->cr[9], s->cr[VGA_CRTC_MODE],
|
1776 | 5e55efc9 | Blue Swirl | s->line_compare, s->sr[VGA_SEQ_CLOCK_MODE]);
|
1777 | 17b0018b | bellard | #endif
|
1778 | e89f66ec | bellard | addr1 = (s->start_addr * 4);
|
1779 | 15342721 | aurel32 | bwidth = (width * bits + 7) / 8; |
1780 | 39cf7803 | bellard | y_start = -1;
|
1781 | 12c7e75a | Avi Kivity | page_min = -1;
|
1782 | 12c7e75a | Avi Kivity | page_max = 0;
|
1783 | 0e1f5a0c | aliguori | d = ds_get_data(s->ds); |
1784 | 0e1f5a0c | aliguori | linesize = ds_get_linesize(s->ds); |
1785 | 17b0018b | bellard | y1 = 0;
|
1786 | e89f66ec | bellard | for(y = 0; y < height; y++) { |
1787 | e89f66ec | bellard | addr = addr1; |
1788 | 5e55efc9 | Blue Swirl | if (!(s->cr[VGA_CRTC_MODE] & 1)) { |
1789 | 17b0018b | bellard | int shift;
|
1790 | e89f66ec | bellard | /* CGA compatibility handling */
|
1791 | 5e55efc9 | Blue Swirl | shift = 14 + ((s->cr[VGA_CRTC_MODE] >> 6) & 1); |
1792 | 17b0018b | bellard | addr = (addr & ~(1 << shift)) | ((y1 & 1) << shift); |
1793 | e89f66ec | bellard | } |
1794 | 5e55efc9 | Blue Swirl | if (!(s->cr[VGA_CRTC_MODE] & 2)) { |
1795 | 17b0018b | bellard | addr = (addr & ~0x8000) | ((y1 & 2) << 14); |
1796 | e89f66ec | bellard | } |
1797 | 734781c9 | Jan Kiszka | update = full_update; |
1798 | cd7a45c9 | Blue Swirl | page0 = addr; |
1799 | cd7a45c9 | Blue Swirl | page1 = addr + bwidth - 1;
|
1800 | 734781c9 | Jan Kiszka | update |= memory_region_get_dirty(&s->vram, page0, page1 - page0, |
1801 | 734781c9 | Jan Kiszka | DIRTY_MEMORY_VGA); |
1802 | a8aa669b | bellard | /* explicit invalidation for the hardware cursor */
|
1803 | a8aa669b | bellard | update |= (s->invalidated_y_table[y >> 5] >> (y & 0x1f)) & 1; |
1804 | e89f66ec | bellard | if (update) {
|
1805 | 39cf7803 | bellard | if (y_start < 0) |
1806 | 39cf7803 | bellard | y_start = y; |
1807 | e89f66ec | bellard | if (page0 < page_min)
|
1808 | e89f66ec | bellard | page_min = page0; |
1809 | e89f66ec | bellard | if (page1 > page_max)
|
1810 | e89f66ec | bellard | page_max = page1; |
1811 | 7d957bd8 | aliguori | if (!(is_buffer_shared(s->ds->surface))) {
|
1812 | 7d957bd8 | aliguori | vga_draw_line(s, d, s->vram_ptr + addr, width); |
1813 | 7d957bd8 | aliguori | if (s->cursor_draw_line)
|
1814 | 7d957bd8 | aliguori | s->cursor_draw_line(s, d, y); |
1815 | 7d957bd8 | aliguori | } |
1816 | 39cf7803 | bellard | } else {
|
1817 | 39cf7803 | bellard | if (y_start >= 0) { |
1818 | 39cf7803 | bellard | /* flush to display */
|
1819 | 5fafdf24 | ths | dpy_update(s->ds, 0, y_start,
|
1820 | 799e709b | aliguori | disp_width, y - y_start); |
1821 | 39cf7803 | bellard | y_start = -1;
|
1822 | 39cf7803 | bellard | } |
1823 | e89f66ec | bellard | } |
1824 | a07cf92a | bellard | if (!multi_run) {
|
1825 | 5e55efc9 | Blue Swirl | mask = (s->cr[VGA_CRTC_MODE] & 3) ^ 3; |
1826 | f6c958c8 | bellard | if ((y1 & mask) == mask)
|
1827 | f6c958c8 | bellard | addr1 += line_offset; |
1828 | f6c958c8 | bellard | y1++; |
1829 | 799e709b | aliguori | multi_run = multi_scan; |
1830 | a07cf92a | bellard | } else {
|
1831 | a07cf92a | bellard | multi_run--; |
1832 | e89f66ec | bellard | } |
1833 | f6c958c8 | bellard | /* line compare acts on the displayed lines */
|
1834 | f6c958c8 | bellard | if (y == s->line_compare)
|
1835 | f6c958c8 | bellard | addr1 = 0;
|
1836 | e89f66ec | bellard | d += linesize; |
1837 | e89f66ec | bellard | } |
1838 | 39cf7803 | bellard | if (y_start >= 0) { |
1839 | 39cf7803 | bellard | /* flush to display */
|
1840 | 5fafdf24 | ths | dpy_update(s->ds, 0, y_start,
|
1841 | 799e709b | aliguori | disp_width, y - y_start); |
1842 | 39cf7803 | bellard | } |
1843 | e89f66ec | bellard | /* reset modified pages */
|
1844 | 12c7e75a | Avi Kivity | if (page_max >= page_min) {
|
1845 | b1950430 | Avi Kivity | memory_region_reset_dirty(&s->vram, |
1846 | b1950430 | Avi Kivity | page_min, |
1847 | cd7a45c9 | Blue Swirl | page_max - page_min, |
1848 | b1950430 | Avi Kivity | DIRTY_MEMORY_VGA); |
1849 | e89f66ec | bellard | } |
1850 | a8aa669b | bellard | memset(s->invalidated_y_table, 0, ((height + 31) >> 5) * 4); |
1851 | e89f66ec | bellard | } |
1852 | e89f66ec | bellard | |
1853 | cedd91d2 | Juan Quintela | static void vga_draw_blank(VGACommonState *s, int full_update) |
1854 | 2aebb3eb | bellard | { |
1855 | 2aebb3eb | bellard | int i, w, val;
|
1856 | 2aebb3eb | bellard | uint8_t *d; |
1857 | 2aebb3eb | bellard | |
1858 | 2aebb3eb | bellard | if (!full_update)
|
1859 | 2aebb3eb | bellard | return;
|
1860 | 2aebb3eb | bellard | if (s->last_scr_width <= 0 || s->last_scr_height <= 0) |
1861 | 2aebb3eb | bellard | return;
|
1862 | 2bec46dc | aliguori | |
1863 | 7d957bd8 | aliguori | s->rgb_to_pixel = |
1864 | 7d957bd8 | aliguori | rgb_to_pixel_dup_table[get_depth_index(s->ds)]; |
1865 | 0e1f5a0c | aliguori | if (ds_get_bits_per_pixel(s->ds) == 8) |
1866 | 2aebb3eb | bellard | val = s->rgb_to_pixel(0, 0, 0); |
1867 | 2aebb3eb | bellard | else
|
1868 | 2aebb3eb | bellard | val = 0;
|
1869 | 0e1f5a0c | aliguori | w = s->last_scr_width * ((ds_get_bits_per_pixel(s->ds) + 7) >> 3); |
1870 | 0e1f5a0c | aliguori | d = ds_get_data(s->ds); |
1871 | 2aebb3eb | bellard | for(i = 0; i < s->last_scr_height; i++) { |
1872 | 2aebb3eb | bellard | memset(d, val, w); |
1873 | 0e1f5a0c | aliguori | d += ds_get_linesize(s->ds); |
1874 | 2aebb3eb | bellard | } |
1875 | 5fafdf24 | ths | dpy_update(s->ds, 0, 0, |
1876 | 2aebb3eb | bellard | s->last_scr_width, s->last_scr_height); |
1877 | 2aebb3eb | bellard | } |
1878 | 2aebb3eb | bellard | |
1879 | 799e709b | aliguori | #define GMODE_TEXT 0 |
1880 | 799e709b | aliguori | #define GMODE_GRAPH 1 |
1881 | 799e709b | aliguori | #define GMODE_BLANK 2 |
1882 | 799e709b | aliguori | |
1883 | 95219897 | pbrook | static void vga_update_display(void *opaque) |
1884 | e89f66ec | bellard | { |
1885 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
1886 | 799e709b | aliguori | int full_update, graphic_mode;
|
1887 | e89f66ec | bellard | |
1888 | e9a07334 | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
1889 | e9a07334 | Jan Kiszka | |
1890 | 0e1f5a0c | aliguori | if (ds_get_bits_per_pixel(s->ds) == 0) { |
1891 | 0f35920c | bellard | /* nothing to do */
|
1892 | 59a983b9 | bellard | } else {
|
1893 | 3098b9fd | Aurelien Jarno | full_update = 0;
|
1894 | df800210 | malc | if (!(s->ar_index & 0x20)) { |
1895 | 799e709b | aliguori | graphic_mode = GMODE_BLANK; |
1896 | 799e709b | aliguori | } else {
|
1897 | 5e55efc9 | Blue Swirl | graphic_mode = s->gr[VGA_GFX_MISC] & VGA_GR06_GRAPHICS_MODE; |
1898 | 799e709b | aliguori | } |
1899 | 799e709b | aliguori | if (graphic_mode != s->graphic_mode) {
|
1900 | 799e709b | aliguori | s->graphic_mode = graphic_mode; |
1901 | 9aa0ff0b | Jan Kiszka | s->cursor_blink_time = qemu_get_clock_ms(vm_clock); |
1902 | 799e709b | aliguori | full_update = 1;
|
1903 | 799e709b | aliguori | } |
1904 | 799e709b | aliguori | switch(graphic_mode) {
|
1905 | 2aebb3eb | bellard | case GMODE_TEXT:
|
1906 | e89f66ec | bellard | vga_draw_text(s, full_update); |
1907 | 2aebb3eb | bellard | break;
|
1908 | 2aebb3eb | bellard | case GMODE_GRAPH:
|
1909 | 2aebb3eb | bellard | vga_draw_graphic(s, full_update); |
1910 | 2aebb3eb | bellard | break;
|
1911 | 2aebb3eb | bellard | case GMODE_BLANK:
|
1912 | 2aebb3eb | bellard | default:
|
1913 | 2aebb3eb | bellard | vga_draw_blank(s, full_update); |
1914 | 2aebb3eb | bellard | break;
|
1915 | 2aebb3eb | bellard | } |
1916 | e89f66ec | bellard | } |
1917 | e89f66ec | bellard | } |
1918 | e89f66ec | bellard | |
1919 | a130a41e | bellard | /* force a full display refresh */
|
1920 | 95219897 | pbrook | static void vga_invalidate_display(void *opaque) |
1921 | a130a41e | bellard | { |
1922 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
1923 | 3b46e624 | ths | |
1924 | 3098b9fd | Aurelien Jarno | s->last_width = -1;
|
1925 | 3098b9fd | Aurelien Jarno | s->last_height = -1;
|
1926 | a130a41e | bellard | } |
1927 | a130a41e | bellard | |
1928 | 03a3e7ba | Juan Quintela | void vga_common_reset(VGACommonState *s)
|
1929 | e89f66ec | bellard | { |
1930 | 6e6b7363 | blueswir1 | s->sr_index = 0;
|
1931 | 6e6b7363 | blueswir1 | memset(s->sr, '\0', sizeof(s->sr)); |
1932 | 6e6b7363 | blueswir1 | s->gr_index = 0;
|
1933 | 6e6b7363 | blueswir1 | memset(s->gr, '\0', sizeof(s->gr)); |
1934 | 6e6b7363 | blueswir1 | s->ar_index = 0;
|
1935 | 6e6b7363 | blueswir1 | memset(s->ar, '\0', sizeof(s->ar)); |
1936 | 6e6b7363 | blueswir1 | s->ar_flip_flop = 0;
|
1937 | 6e6b7363 | blueswir1 | s->cr_index = 0;
|
1938 | 6e6b7363 | blueswir1 | memset(s->cr, '\0', sizeof(s->cr)); |
1939 | 6e6b7363 | blueswir1 | s->msr = 0;
|
1940 | 6e6b7363 | blueswir1 | s->fcr = 0;
|
1941 | 6e6b7363 | blueswir1 | s->st00 = 0;
|
1942 | 6e6b7363 | blueswir1 | s->st01 = 0;
|
1943 | 6e6b7363 | blueswir1 | s->dac_state = 0;
|
1944 | 6e6b7363 | blueswir1 | s->dac_sub_index = 0;
|
1945 | 6e6b7363 | blueswir1 | s->dac_read_index = 0;
|
1946 | 6e6b7363 | blueswir1 | s->dac_write_index = 0;
|
1947 | 6e6b7363 | blueswir1 | memset(s->dac_cache, '\0', sizeof(s->dac_cache)); |
1948 | 6e6b7363 | blueswir1 | s->dac_8bit = 0;
|
1949 | 6e6b7363 | blueswir1 | memset(s->palette, '\0', sizeof(s->palette)); |
1950 | 6e6b7363 | blueswir1 | s->bank_offset = 0;
|
1951 | 6e6b7363 | blueswir1 | #ifdef CONFIG_BOCHS_VBE
|
1952 | 6e6b7363 | blueswir1 | s->vbe_index = 0;
|
1953 | 6e6b7363 | blueswir1 | memset(s->vbe_regs, '\0', sizeof(s->vbe_regs)); |
1954 | af92284b | Gerd Hoffmann | s->vbe_regs[VBE_DISPI_INDEX_ID] = VBE_DISPI_ID5; |
1955 | 6e6b7363 | blueswir1 | s->vbe_start_addr = 0;
|
1956 | 6e6b7363 | blueswir1 | s->vbe_line_offset = 0;
|
1957 | 6e6b7363 | blueswir1 | s->vbe_bank_mask = (s->vram_size >> 16) - 1; |
1958 | 6e6b7363 | blueswir1 | #endif
|
1959 | 6e6b7363 | blueswir1 | memset(s->font_offsets, '\0', sizeof(s->font_offsets)); |
1960 | 799e709b | aliguori | s->graphic_mode = -1; /* force full update */ |
1961 | 6e6b7363 | blueswir1 | s->shift_control = 0;
|
1962 | 6e6b7363 | blueswir1 | s->double_scan = 0;
|
1963 | 6e6b7363 | blueswir1 | s->line_offset = 0;
|
1964 | 6e6b7363 | blueswir1 | s->line_compare = 0;
|
1965 | 6e6b7363 | blueswir1 | s->start_addr = 0;
|
1966 | 6e6b7363 | blueswir1 | s->plane_updated = 0;
|
1967 | 6e6b7363 | blueswir1 | s->last_cw = 0;
|
1968 | 6e6b7363 | blueswir1 | s->last_ch = 0;
|
1969 | 6e6b7363 | blueswir1 | s->last_width = 0;
|
1970 | 6e6b7363 | blueswir1 | s->last_height = 0;
|
1971 | 6e6b7363 | blueswir1 | s->last_scr_width = 0;
|
1972 | 6e6b7363 | blueswir1 | s->last_scr_height = 0;
|
1973 | 6e6b7363 | blueswir1 | s->cursor_start = 0;
|
1974 | 6e6b7363 | blueswir1 | s->cursor_end = 0;
|
1975 | 6e6b7363 | blueswir1 | s->cursor_offset = 0;
|
1976 | 6e6b7363 | blueswir1 | memset(s->invalidated_y_table, '\0', sizeof(s->invalidated_y_table)); |
1977 | 6e6b7363 | blueswir1 | memset(s->last_palette, '\0', sizeof(s->last_palette)); |
1978 | 6e6b7363 | blueswir1 | memset(s->last_ch_attr, '\0', sizeof(s->last_ch_attr)); |
1979 | 6e6b7363 | blueswir1 | switch (vga_retrace_method) {
|
1980 | 6e6b7363 | blueswir1 | case VGA_RETRACE_DUMB:
|
1981 | 6e6b7363 | blueswir1 | break;
|
1982 | 6e6b7363 | blueswir1 | case VGA_RETRACE_PRECISE:
|
1983 | 6e6b7363 | blueswir1 | memset(&s->retrace_info, 0, sizeof (s->retrace_info)); |
1984 | 6e6b7363 | blueswir1 | break;
|
1985 | 6e6b7363 | blueswir1 | } |
1986 | 80763888 | Jan Kiszka | vga_update_memory_access(s); |
1987 | e89f66ec | bellard | } |
1988 | e89f66ec | bellard | |
1989 | 03a3e7ba | Juan Quintela | static void vga_reset(void *opaque) |
1990 | 03a3e7ba | Juan Quintela | { |
1991 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
1992 | 03a3e7ba | Juan Quintela | vga_common_reset(s); |
1993 | 03a3e7ba | Juan Quintela | } |
1994 | 03a3e7ba | Juan Quintela | |
1995 | 4d3b6f6e | balrog | #define TEXTMODE_X(x) ((x) % width)
|
1996 | 4d3b6f6e | balrog | #define TEXTMODE_Y(x) ((x) / width)
|
1997 | 4d3b6f6e | balrog | #define VMEM2CHTYPE(v) ((v & 0xff0007ff) | \ |
1998 | 4d3b6f6e | balrog | ((v & 0x00000800) << 10) | ((v & 0x00007000) >> 1)) |
1999 | 4d3b6f6e | balrog | /* relay text rendering to the display driver
|
2000 | 4d3b6f6e | balrog | * instead of doing a full vga_update_display() */
|
2001 | c227f099 | Anthony Liguori | static void vga_update_text(void *opaque, console_ch_t *chardata) |
2002 | 4d3b6f6e | balrog | { |
2003 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
2004 | 799e709b | aliguori | int graphic_mode, i, cursor_offset, cursor_visible;
|
2005 | 4d3b6f6e | balrog | int cw, cheight, width, height, size, c_min, c_max;
|
2006 | 4d3b6f6e | balrog | uint32_t *src; |
2007 | c227f099 | Anthony Liguori | console_ch_t *dst, val; |
2008 | 4d3b6f6e | balrog | char msg_buffer[80]; |
2009 | 799e709b | aliguori | int full_update = 0; |
2010 | 799e709b | aliguori | |
2011 | e9a07334 | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
2012 | e9a07334 | Jan Kiszka | |
2013 | 799e709b | aliguori | if (!(s->ar_index & 0x20)) { |
2014 | 799e709b | aliguori | graphic_mode = GMODE_BLANK; |
2015 | 799e709b | aliguori | } else {
|
2016 | 5e55efc9 | Blue Swirl | graphic_mode = s->gr[VGA_GFX_MISC] & VGA_GR06_GRAPHICS_MODE; |
2017 | 799e709b | aliguori | } |
2018 | 799e709b | aliguori | if (graphic_mode != s->graphic_mode) {
|
2019 | 799e709b | aliguori | s->graphic_mode = graphic_mode; |
2020 | 799e709b | aliguori | full_update = 1;
|
2021 | 799e709b | aliguori | } |
2022 | 799e709b | aliguori | if (s->last_width == -1) { |
2023 | 799e709b | aliguori | s->last_width = 0;
|
2024 | 799e709b | aliguori | full_update = 1;
|
2025 | 799e709b | aliguori | } |
2026 | 4d3b6f6e | balrog | |
2027 | 799e709b | aliguori | switch (graphic_mode) {
|
2028 | 4d3b6f6e | balrog | case GMODE_TEXT:
|
2029 | 4d3b6f6e | balrog | /* TODO: update palette */
|
2030 | 799e709b | aliguori | full_update |= update_basic_params(s); |
2031 | 4d3b6f6e | balrog | |
2032 | 799e709b | aliguori | /* total width & height */
|
2033 | 5e55efc9 | Blue Swirl | cheight = (s->cr[VGA_CRTC_MAX_SCAN] & 0x1f) + 1; |
2034 | 799e709b | aliguori | cw = 8;
|
2035 | 5e55efc9 | Blue Swirl | if (!(s->sr[VGA_SEQ_CLOCK_MODE] & VGA_SR01_CHAR_CLK_8DOTS)) {
|
2036 | 799e709b | aliguori | cw = 9;
|
2037 | 5e55efc9 | Blue Swirl | } |
2038 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_CLOCK_MODE] & 0x08) { |
2039 | 799e709b | aliguori | cw = 16; /* NOTE: no 18 pixel wide */ |
2040 | 5e55efc9 | Blue Swirl | } |
2041 | 5e55efc9 | Blue Swirl | width = (s->cr[VGA_CRTC_H_DISP] + 1);
|
2042 | 5e55efc9 | Blue Swirl | if (s->cr[VGA_CRTC_V_TOTAL] == 100) { |
2043 | 799e709b | aliguori | /* ugly hack for CGA 160x100x16 - explain me the logic */
|
2044 | 799e709b | aliguori | height = 100;
|
2045 | 799e709b | aliguori | } else {
|
2046 | 5e55efc9 | Blue Swirl | height = s->cr[VGA_CRTC_V_DISP_END] | |
2047 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_OVERFLOW] & 0x02) << 7) | |
2048 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_OVERFLOW] & 0x40) << 3); |
2049 | 799e709b | aliguori | height = (height + 1) / cheight;
|
2050 | 4d3b6f6e | balrog | } |
2051 | 4d3b6f6e | balrog | |
2052 | 4d3b6f6e | balrog | size = (height * width); |
2053 | 4d3b6f6e | balrog | if (size > CH_ATTR_SIZE) {
|
2054 | 4d3b6f6e | balrog | if (!full_update)
|
2055 | 4d3b6f6e | balrog | return;
|
2056 | 4d3b6f6e | balrog | |
2057 | 363a37d5 | blueswir1 | snprintf(msg_buffer, sizeof(msg_buffer), "%i x %i Text mode", |
2058 | 363a37d5 | blueswir1 | width, height); |
2059 | 4d3b6f6e | balrog | break;
|
2060 | 4d3b6f6e | balrog | } |
2061 | 4d3b6f6e | balrog | |
2062 | 799e709b | aliguori | if (width != s->last_width || height != s->last_height ||
|
2063 | 799e709b | aliguori | cw != s->last_cw || cheight != s->last_ch) { |
2064 | 799e709b | aliguori | s->last_scr_width = width * cw; |
2065 | 799e709b | aliguori | s->last_scr_height = height * cheight; |
2066 | 799e709b | aliguori | s->ds->surface->width = width; |
2067 | 799e709b | aliguori | s->ds->surface->height = height; |
2068 | 799e709b | aliguori | dpy_resize(s->ds); |
2069 | 799e709b | aliguori | s->last_width = width; |
2070 | 799e709b | aliguori | s->last_height = height; |
2071 | 799e709b | aliguori | s->last_ch = cheight; |
2072 | 799e709b | aliguori | s->last_cw = cw; |
2073 | 799e709b | aliguori | full_update = 1;
|
2074 | 799e709b | aliguori | } |
2075 | 799e709b | aliguori | |
2076 | 4d3b6f6e | balrog | /* Update "hardware" cursor */
|
2077 | 5e55efc9 | Blue Swirl | cursor_offset = ((s->cr[VGA_CRTC_CURSOR_HI] << 8) |
|
2078 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_CURSOR_LO]) - s->start_addr; |
2079 | 4d3b6f6e | balrog | if (cursor_offset != s->cursor_offset ||
|
2080 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_CURSOR_START] != s->cursor_start || |
2081 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_CURSOR_END] != s->cursor_end || full_update) { |
2082 | 5e55efc9 | Blue Swirl | cursor_visible = !(s->cr[VGA_CRTC_CURSOR_START] & 0x20);
|
2083 | 4d3b6f6e | balrog | if (cursor_visible && cursor_offset < size && cursor_offset >= 0) |
2084 | 4d3b6f6e | balrog | dpy_cursor(s->ds, |
2085 | 4d3b6f6e | balrog | TEXTMODE_X(cursor_offset), |
2086 | 4d3b6f6e | balrog | TEXTMODE_Y(cursor_offset)); |
2087 | 4d3b6f6e | balrog | else
|
2088 | 4d3b6f6e | balrog | dpy_cursor(s->ds, -1, -1); |
2089 | 4d3b6f6e | balrog | s->cursor_offset = cursor_offset; |
2090 | 5e55efc9 | Blue Swirl | s->cursor_start = s->cr[VGA_CRTC_CURSOR_START]; |
2091 | 5e55efc9 | Blue Swirl | s->cursor_end = s->cr[VGA_CRTC_CURSOR_END]; |
2092 | 4d3b6f6e | balrog | } |
2093 | 4d3b6f6e | balrog | |
2094 | 4d3b6f6e | balrog | src = (uint32_t *) s->vram_ptr + s->start_addr; |
2095 | 4d3b6f6e | balrog | dst = chardata; |
2096 | 4d3b6f6e | balrog | |
2097 | 4d3b6f6e | balrog | if (full_update) {
|
2098 | 4d3b6f6e | balrog | for (i = 0; i < size; src ++, dst ++, i ++) |
2099 | 9ae19b65 | Aurelien Jarno | console_write_ch(dst, VMEM2CHTYPE(le32_to_cpu(*src))); |
2100 | 4d3b6f6e | balrog | |
2101 | 4d3b6f6e | balrog | dpy_update(s->ds, 0, 0, width, height); |
2102 | 4d3b6f6e | balrog | } else {
|
2103 | 4d3b6f6e | balrog | c_max = 0;
|
2104 | 4d3b6f6e | balrog | |
2105 | 4d3b6f6e | balrog | for (i = 0; i < size; src ++, dst ++, i ++) { |
2106 | 9ae19b65 | Aurelien Jarno | console_write_ch(&val, VMEM2CHTYPE(le32_to_cpu(*src))); |
2107 | 4d3b6f6e | balrog | if (*dst != val) {
|
2108 | 4d3b6f6e | balrog | *dst = val; |
2109 | 4d3b6f6e | balrog | c_max = i; |
2110 | 4d3b6f6e | balrog | break;
|
2111 | 4d3b6f6e | balrog | } |
2112 | 4d3b6f6e | balrog | } |
2113 | 4d3b6f6e | balrog | c_min = i; |
2114 | 4d3b6f6e | balrog | for (; i < size; src ++, dst ++, i ++) {
|
2115 | 9ae19b65 | Aurelien Jarno | console_write_ch(&val, VMEM2CHTYPE(le32_to_cpu(*src))); |
2116 | 4d3b6f6e | balrog | if (*dst != val) {
|
2117 | 4d3b6f6e | balrog | *dst = val; |
2118 | 4d3b6f6e | balrog | c_max = i; |
2119 | 4d3b6f6e | balrog | } |
2120 | 4d3b6f6e | balrog | } |
2121 | 4d3b6f6e | balrog | |
2122 | 4d3b6f6e | balrog | if (c_min <= c_max) {
|
2123 | 4d3b6f6e | balrog | i = TEXTMODE_Y(c_min); |
2124 | 4d3b6f6e | balrog | dpy_update(s->ds, 0, i, width, TEXTMODE_Y(c_max) - i + 1); |
2125 | 4d3b6f6e | balrog | } |
2126 | 4d3b6f6e | balrog | } |
2127 | 4d3b6f6e | balrog | |
2128 | 4d3b6f6e | balrog | return;
|
2129 | 4d3b6f6e | balrog | case GMODE_GRAPH:
|
2130 | 4d3b6f6e | balrog | if (!full_update)
|
2131 | 4d3b6f6e | balrog | return;
|
2132 | 4d3b6f6e | balrog | |
2133 | 4d3b6f6e | balrog | s->get_resolution(s, &width, &height); |
2134 | 363a37d5 | blueswir1 | snprintf(msg_buffer, sizeof(msg_buffer), "%i x %i Graphic mode", |
2135 | 363a37d5 | blueswir1 | width, height); |
2136 | 4d3b6f6e | balrog | break;
|
2137 | 4d3b6f6e | balrog | case GMODE_BLANK:
|
2138 | 4d3b6f6e | balrog | default:
|
2139 | 4d3b6f6e | balrog | if (!full_update)
|
2140 | 4d3b6f6e | balrog | return;
|
2141 | 4d3b6f6e | balrog | |
2142 | 363a37d5 | blueswir1 | snprintf(msg_buffer, sizeof(msg_buffer), "VGA Blank mode"); |
2143 | 4d3b6f6e | balrog | break;
|
2144 | 4d3b6f6e | balrog | } |
2145 | 4d3b6f6e | balrog | |
2146 | 4d3b6f6e | balrog | /* Display a message */
|
2147 | 5228c2d3 | balrog | s->last_width = 60;
|
2148 | 5228c2d3 | balrog | s->last_height = height = 3;
|
2149 | 4d3b6f6e | balrog | dpy_cursor(s->ds, -1, -1); |
2150 | 7d957bd8 | aliguori | s->ds->surface->width = s->last_width; |
2151 | 7d957bd8 | aliguori | s->ds->surface->height = height; |
2152 | 7d957bd8 | aliguori | dpy_resize(s->ds); |
2153 | 4d3b6f6e | balrog | |
2154 | 5228c2d3 | balrog | for (dst = chardata, i = 0; i < s->last_width * height; i ++) |
2155 | 4d3b6f6e | balrog | console_write_ch(dst ++, ' ');
|
2156 | 4d3b6f6e | balrog | |
2157 | 4d3b6f6e | balrog | size = strlen(msg_buffer); |
2158 | 5228c2d3 | balrog | width = (s->last_width - size) / 2;
|
2159 | 5228c2d3 | balrog | dst = chardata + s->last_width + width; |
2160 | 4d3b6f6e | balrog | for (i = 0; i < size; i ++) |
2161 | 4d3b6f6e | balrog | console_write_ch(dst ++, 0x00200100 | msg_buffer[i]);
|
2162 | 4d3b6f6e | balrog | |
2163 | 5228c2d3 | balrog | dpy_update(s->ds, 0, 0, s->last_width, height); |
2164 | 4d3b6f6e | balrog | } |
2165 | 4d3b6f6e | balrog | |
2166 | b1950430 | Avi Kivity | static uint64_t vga_mem_read(void *opaque, target_phys_addr_t addr, |
2167 | b1950430 | Avi Kivity | unsigned size)
|
2168 | b1950430 | Avi Kivity | { |
2169 | b1950430 | Avi Kivity | VGACommonState *s = opaque; |
2170 | b1950430 | Avi Kivity | |
2171 | b2a5e761 | Avi Kivity | return vga_mem_readb(s, addr);
|
2172 | b1950430 | Avi Kivity | } |
2173 | e89f66ec | bellard | |
2174 | b1950430 | Avi Kivity | static void vga_mem_write(void *opaque, target_phys_addr_t addr, |
2175 | b1950430 | Avi Kivity | uint64_t data, unsigned size)
|
2176 | b1950430 | Avi Kivity | { |
2177 | b1950430 | Avi Kivity | VGACommonState *s = opaque; |
2178 | b1950430 | Avi Kivity | |
2179 | b2a5e761 | Avi Kivity | return vga_mem_writeb(s, addr, data);
|
2180 | b1950430 | Avi Kivity | } |
2181 | b1950430 | Avi Kivity | |
2182 | b1950430 | Avi Kivity | const MemoryRegionOps vga_mem_ops = {
|
2183 | b1950430 | Avi Kivity | .read = vga_mem_read, |
2184 | b1950430 | Avi Kivity | .write = vga_mem_write, |
2185 | b1950430 | Avi Kivity | .endianness = DEVICE_LITTLE_ENDIAN, |
2186 | b2a5e761 | Avi Kivity | .impl = { |
2187 | b2a5e761 | Avi Kivity | .min_access_size = 1,
|
2188 | b2a5e761 | Avi Kivity | .max_access_size = 1,
|
2189 | b2a5e761 | Avi Kivity | }, |
2190 | e89f66ec | bellard | }; |
2191 | e89f66ec | bellard | |
2192 | 11b6b345 | Juan Quintela | static int vga_common_post_load(void *opaque, int version_id) |
2193 | b0a21b53 | bellard | { |
2194 | 0d65ddc3 | Juan Quintela | VGACommonState *s = opaque; |
2195 | 11b6b345 | Juan Quintela | |
2196 | 11b6b345 | Juan Quintela | /* force refresh */
|
2197 | 11b6b345 | Juan Quintela | s->graphic_mode = -1;
|
2198 | 11b6b345 | Juan Quintela | return 0; |
2199 | 11b6b345 | Juan Quintela | } |
2200 | 11b6b345 | Juan Quintela | |
2201 | 11b6b345 | Juan Quintela | const VMStateDescription vmstate_vga_common = {
|
2202 | 11b6b345 | Juan Quintela | .name = "vga",
|
2203 | 11b6b345 | Juan Quintela | .version_id = 2,
|
2204 | 11b6b345 | Juan Quintela | .minimum_version_id = 2,
|
2205 | 11b6b345 | Juan Quintela | .minimum_version_id_old = 2,
|
2206 | 11b6b345 | Juan Quintela | .post_load = vga_common_post_load, |
2207 | 11b6b345 | Juan Quintela | .fields = (VMStateField []) { |
2208 | 11b6b345 | Juan Quintela | VMSTATE_UINT32(latch, VGACommonState), |
2209 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(sr_index, VGACommonState), |
2210 | 11b6b345 | Juan Quintela | VMSTATE_PARTIAL_BUFFER(sr, VGACommonState, 8),
|
2211 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(gr_index, VGACommonState), |
2212 | 11b6b345 | Juan Quintela | VMSTATE_PARTIAL_BUFFER(gr, VGACommonState, 16),
|
2213 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(ar_index, VGACommonState), |
2214 | 11b6b345 | Juan Quintela | VMSTATE_BUFFER(ar, VGACommonState), |
2215 | 11b6b345 | Juan Quintela | VMSTATE_INT32(ar_flip_flop, VGACommonState), |
2216 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(cr_index, VGACommonState), |
2217 | 11b6b345 | Juan Quintela | VMSTATE_BUFFER(cr, VGACommonState), |
2218 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(msr, VGACommonState), |
2219 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(fcr, VGACommonState), |
2220 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(st00, VGACommonState), |
2221 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(st01, VGACommonState), |
2222 | 11b6b345 | Juan Quintela | |
2223 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(dac_state, VGACommonState), |
2224 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(dac_sub_index, VGACommonState), |
2225 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(dac_read_index, VGACommonState), |
2226 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(dac_write_index, VGACommonState), |
2227 | 11b6b345 | Juan Quintela | VMSTATE_BUFFER(dac_cache, VGACommonState), |
2228 | 11b6b345 | Juan Quintela | VMSTATE_BUFFER(palette, VGACommonState), |
2229 | 11b6b345 | Juan Quintela | |
2230 | 11b6b345 | Juan Quintela | VMSTATE_INT32(bank_offset, VGACommonState), |
2231 | 11b6b345 | Juan Quintela | VMSTATE_UINT8_EQUAL(is_vbe_vmstate, VGACommonState), |
2232 | b0a21b53 | bellard | #ifdef CONFIG_BOCHS_VBE
|
2233 | 11b6b345 | Juan Quintela | VMSTATE_UINT16(vbe_index, VGACommonState), |
2234 | 11b6b345 | Juan Quintela | VMSTATE_UINT16_ARRAY(vbe_regs, VGACommonState, VBE_DISPI_INDEX_NB), |
2235 | 11b6b345 | Juan Quintela | VMSTATE_UINT32(vbe_start_addr, VGACommonState), |
2236 | 11b6b345 | Juan Quintela | VMSTATE_UINT32(vbe_line_offset, VGACommonState), |
2237 | 11b6b345 | Juan Quintela | VMSTATE_UINT32(vbe_bank_mask, VGACommonState), |
2238 | b0a21b53 | bellard | #endif
|
2239 | 11b6b345 | Juan Quintela | VMSTATE_END_OF_LIST() |
2240 | 11b6b345 | Juan Quintela | } |
2241 | 11b6b345 | Juan Quintela | }; |
2242 | 11b6b345 | Juan Quintela | |
2243 | 4a1e244e | Gerd Hoffmann | void vga_common_init(VGACommonState *s)
|
2244 | e89f66ec | bellard | { |
2245 | 17b0018b | bellard | int i, j, v, b;
|
2246 | e89f66ec | bellard | |
2247 | e89f66ec | bellard | for(i = 0;i < 256; i++) { |
2248 | e89f66ec | bellard | v = 0;
|
2249 | e89f66ec | bellard | for(j = 0; j < 8; j++) { |
2250 | e89f66ec | bellard | v |= ((i >> j) & 1) << (j * 4); |
2251 | e89f66ec | bellard | } |
2252 | e89f66ec | bellard | expand4[i] = v; |
2253 | e89f66ec | bellard | |
2254 | e89f66ec | bellard | v = 0;
|
2255 | e89f66ec | bellard | for(j = 0; j < 4; j++) { |
2256 | e89f66ec | bellard | v |= ((i >> (2 * j)) & 3) << (j * 4); |
2257 | e89f66ec | bellard | } |
2258 | e89f66ec | bellard | expand2[i] = v; |
2259 | e89f66ec | bellard | } |
2260 | 17b0018b | bellard | for(i = 0; i < 16; i++) { |
2261 | 17b0018b | bellard | v = 0;
|
2262 | 17b0018b | bellard | for(j = 0; j < 4; j++) { |
2263 | 17b0018b | bellard | b = ((i >> j) & 1);
|
2264 | 17b0018b | bellard | v |= b << (2 * j);
|
2265 | 17b0018b | bellard | v |= b << (2 * j + 1); |
2266 | 17b0018b | bellard | } |
2267 | 17b0018b | bellard | expand4to8[i] = v; |
2268 | 17b0018b | bellard | } |
2269 | e89f66ec | bellard | |
2270 | 4a1e244e | Gerd Hoffmann | /* valid range: 1 MB -> 256 MB */
|
2271 | 4a1e244e | Gerd Hoffmann | s->vram_size = 1024 * 1024; |
2272 | 4a1e244e | Gerd Hoffmann | while (s->vram_size < (s->vram_size_mb << 20) && |
2273 | 4a1e244e | Gerd Hoffmann | s->vram_size < (256 << 20)) { |
2274 | 4a1e244e | Gerd Hoffmann | s->vram_size <<= 1;
|
2275 | 4a1e244e | Gerd Hoffmann | } |
2276 | 4a1e244e | Gerd Hoffmann | s->vram_size_mb = s->vram_size >> 20;
|
2277 | 4a1e244e | Gerd Hoffmann | |
2278 | 2a3138ab | Juan Quintela | #ifdef CONFIG_BOCHS_VBE
|
2279 | 2a3138ab | Juan Quintela | s->is_vbe_vmstate = 1;
|
2280 | 2a3138ab | Juan Quintela | #else
|
2281 | 2a3138ab | Juan Quintela | s->is_vbe_vmstate = 0;
|
2282 | 2a3138ab | Juan Quintela | #endif
|
2283 | 4a1e244e | Gerd Hoffmann | memory_region_init_ram(&s->vram, "vga.vram", s->vram_size);
|
2284 | c5705a77 | Avi Kivity | vmstate_register_ram_global(&s->vram); |
2285 | c65adf9b | Avi Kivity | xen_register_framebuffer(&s->vram); |
2286 | b1950430 | Avi Kivity | s->vram_ptr = memory_region_get_ram_ptr(&s->vram); |
2287 | 798b0c25 | bellard | s->get_bpp = vga_get_bpp; |
2288 | 798b0c25 | bellard | s->get_offsets = vga_get_offsets; |
2289 | a130a41e | bellard | s->get_resolution = vga_get_resolution; |
2290 | d34cab9f | ths | s->update = vga_update_display; |
2291 | d34cab9f | ths | s->invalidate = vga_invalidate_display; |
2292 | d34cab9f | ths | s->screen_dump = vga_screen_dump; |
2293 | 4d3b6f6e | balrog | s->text_update = vga_update_text; |
2294 | cb5a7aa8 | malc | switch (vga_retrace_method) {
|
2295 | cb5a7aa8 | malc | case VGA_RETRACE_DUMB:
|
2296 | cb5a7aa8 | malc | s->retrace = vga_dumb_retrace; |
2297 | cb5a7aa8 | malc | s->update_retrace_info = vga_dumb_update_retrace_info; |
2298 | cb5a7aa8 | malc | break;
|
2299 | cb5a7aa8 | malc | |
2300 | cb5a7aa8 | malc | case VGA_RETRACE_PRECISE:
|
2301 | cb5a7aa8 | malc | s->retrace = vga_precise_retrace; |
2302 | cb5a7aa8 | malc | s->update_retrace_info = vga_precise_update_retrace_info; |
2303 | cb5a7aa8 | malc | break;
|
2304 | cb5a7aa8 | malc | } |
2305 | b1950430 | Avi Kivity | vga_dirty_log_start(s); |
2306 | 798b0c25 | bellard | } |
2307 | 798b0c25 | bellard | |
2308 | 0a039dc7 | Richard Henderson | static const MemoryRegionPortio vga_portio_list[] = { |
2309 | 0a039dc7 | Richard Henderson | { 0x04, 2, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3b4 */ |
2310 | 0a039dc7 | Richard Henderson | { 0x0a, 1, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3ba */ |
2311 | 0a039dc7 | Richard Henderson | { 0x10, 16, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3c0 */ |
2312 | 0a039dc7 | Richard Henderson | { 0x24, 2, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3d4 */ |
2313 | 0a039dc7 | Richard Henderson | { 0x2a, 1, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3da */ |
2314 | 0a039dc7 | Richard Henderson | PORTIO_END_OF_LIST(), |
2315 | 0a039dc7 | Richard Henderson | }; |
2316 | e89f66ec | bellard | |
2317 | 4fa0f5d2 | bellard | #ifdef CONFIG_BOCHS_VBE
|
2318 | 0a039dc7 | Richard Henderson | static const MemoryRegionPortio vbe_portio_list[] = { |
2319 | 0a039dc7 | Richard Henderson | { 0, 1, 2, .read = vbe_ioport_read_index, .write = vbe_ioport_write_index }, |
2320 | 0a039dc7 | Richard Henderson | # ifdef TARGET_I386
|
2321 | 0a039dc7 | Richard Henderson | { 1, 1, 2, .read = vbe_ioport_read_data, .write = vbe_ioport_write_data }, |
2322 | 0a039dc7 | Richard Henderson | # else
|
2323 | 0a039dc7 | Richard Henderson | { 2, 1, 2, .read = vbe_ioport_read_data, .write = vbe_ioport_write_data }, |
2324 | 0a039dc7 | Richard Henderson | # endif
|
2325 | 0a039dc7 | Richard Henderson | PORTIO_END_OF_LIST(), |
2326 | 0a039dc7 | Richard Henderson | }; |
2327 | 0a039dc7 | Richard Henderson | #endif /* CONFIG_BOCHS_VBE */ |
2328 | 4fa0f5d2 | bellard | |
2329 | 0a039dc7 | Richard Henderson | /* Used by both ISA and PCI */
|
2330 | 0a039dc7 | Richard Henderson | MemoryRegion *vga_init_io(VGACommonState *s, |
2331 | 0a039dc7 | Richard Henderson | const MemoryRegionPortio **vga_ports,
|
2332 | 0a039dc7 | Richard Henderson | const MemoryRegionPortio **vbe_ports)
|
2333 | 0a039dc7 | Richard Henderson | { |
2334 | 0a039dc7 | Richard Henderson | MemoryRegion *vga_mem; |
2335 | 09a79b49 | bellard | |
2336 | 0a039dc7 | Richard Henderson | *vga_ports = vga_portio_list; |
2337 | 0a039dc7 | Richard Henderson | *vbe_ports = NULL;
|
2338 | 0a039dc7 | Richard Henderson | #ifdef CONFIG_BOCHS_VBE
|
2339 | 0a039dc7 | Richard Henderson | *vbe_ports = vbe_portio_list; |
2340 | 4fa0f5d2 | bellard | #endif
|
2341 | 4fa0f5d2 | bellard | |
2342 | 7267c094 | Anthony Liguori | vga_mem = g_malloc(sizeof(*vga_mem));
|
2343 | b1950430 | Avi Kivity | memory_region_init_io(vga_mem, &vga_mem_ops, s, |
2344 | b1950430 | Avi Kivity | "vga-lowmem", 0x20000); |
2345 | bd8f2f5d | Jan Kiszka | memory_region_set_flush_coalesced(vga_mem); |
2346 | b1950430 | Avi Kivity | |
2347 | b1950430 | Avi Kivity | return vga_mem;
|
2348 | 7435b791 | Blue Swirl | } |
2349 | 7435b791 | Blue Swirl | |
2350 | 0a039dc7 | Richard Henderson | void vga_init(VGACommonState *s, MemoryRegion *address_space,
|
2351 | 0a039dc7 | Richard Henderson | MemoryRegion *address_space_io, bool init_vga_ports)
|
2352 | 7435b791 | Blue Swirl | { |
2353 | b1950430 | Avi Kivity | MemoryRegion *vga_io_memory; |
2354 | 0a039dc7 | Richard Henderson | const MemoryRegionPortio *vga_ports, *vbe_ports;
|
2355 | 0a039dc7 | Richard Henderson | PortioList *vga_port_list = g_new(PortioList, 1);
|
2356 | 0a039dc7 | Richard Henderson | PortioList *vbe_port_list = g_new(PortioList, 1);
|
2357 | 7435b791 | Blue Swirl | |
2358 | 7435b791 | Blue Swirl | qemu_register_reset(vga_reset, s); |
2359 | 7435b791 | Blue Swirl | |
2360 | 7435b791 | Blue Swirl | s->bank_offset = 0;
|
2361 | 7435b791 | Blue Swirl | |
2362 | 80763888 | Jan Kiszka | s->legacy_address_space = address_space; |
2363 | 80763888 | Jan Kiszka | |
2364 | 0a039dc7 | Richard Henderson | vga_io_memory = vga_init_io(s, &vga_ports, &vbe_ports); |
2365 | be20f9e9 | Avi Kivity | memory_region_add_subregion_overlap(address_space, |
2366 | b1950430 | Avi Kivity | isa_mem_base + 0x000a0000,
|
2367 | b1950430 | Avi Kivity | vga_io_memory, |
2368 | b1950430 | Avi Kivity | 1);
|
2369 | b1950430 | Avi Kivity | memory_region_set_coalescing(vga_io_memory); |
2370 | 0a039dc7 | Richard Henderson | if (init_vga_ports) {
|
2371 | 0a039dc7 | Richard Henderson | portio_list_init(vga_port_list, vga_ports, s, "vga");
|
2372 | 0a039dc7 | Richard Henderson | portio_list_add(vga_port_list, address_space_io, 0x3b0);
|
2373 | 0a039dc7 | Richard Henderson | } |
2374 | 0a039dc7 | Richard Henderson | if (vbe_ports) {
|
2375 | 0a039dc7 | Richard Henderson | portio_list_init(vbe_port_list, vbe_ports, s, "vbe");
|
2376 | 0a039dc7 | Richard Henderson | portio_list_add(vbe_port_list, address_space_io, 0x1ce);
|
2377 | 0a039dc7 | Richard Henderson | } |
2378 | d2269f6f | bellard | } |
2379 | d2269f6f | bellard | |
2380 | be20f9e9 | Avi Kivity | void vga_init_vbe(VGACommonState *s, MemoryRegion *system_memory)
|
2381 | f0138a63 | Anthony Liguori | { |
2382 | f0138a63 | Anthony Liguori | #ifdef CONFIG_BOCHS_VBE
|
2383 | 8294a64d | Avi Kivity | /* With pc-0.12 and below we map both the PCI BAR and the fixed VBE region,
|
2384 | 8294a64d | Avi Kivity | * so use an alias to avoid double-mapping the same region.
|
2385 | 8294a64d | Avi Kivity | */
|
2386 | 8294a64d | Avi Kivity | memory_region_init_alias(&s->vram_vbe, "vram.vbe",
|
2387 | 8294a64d | Avi Kivity | &s->vram, 0, memory_region_size(&s->vram));
|
2388 | f0138a63 | Anthony Liguori | /* XXX: use optimized standard vga accesses */
|
2389 | be20f9e9 | Avi Kivity | memory_region_add_subregion(system_memory, |
2390 | b1950430 | Avi Kivity | VBE_DISPI_LFB_PHYSICAL_ADDRESS, |
2391 | 8294a64d | Avi Kivity | &s->vram_vbe); |
2392 | f0138a63 | Anthony Liguori | s->vbe_mapped = 1;
|
2393 | f0138a63 | Anthony Liguori | #endif
|
2394 | f0138a63 | Anthony Liguori | } |
2395 | 59a983b9 | bellard | /********************************************************/
|
2396 | 59a983b9 | bellard | /* vga screen dump */
|
2397 | 59a983b9 | bellard | |
2398 | d663174d | Luiz Capitulino | void ppm_save(const char *filename, struct DisplaySurface *ds, Error **errp) |
2399 | 59a983b9 | bellard | { |
2400 | 59a983b9 | bellard | FILE *f; |
2401 | 59a983b9 | bellard | uint8_t *d, *d1; |
2402 | e07d630a | aliguori | uint32_t v; |
2403 | 59a983b9 | bellard | int y, x;
|
2404 | e07d630a | aliguori | uint8_t r, g, b; |
2405 | f8e378f2 | Avi Kivity | int ret;
|
2406 | f8e378f2 | Avi Kivity | char *linebuf, *pbuf;
|
2407 | 59a983b9 | bellard | |
2408 | 72750018 | Alon Levy | trace_ppm_save(filename, ds); |
2409 | 59a983b9 | bellard | f = fopen(filename, "wb");
|
2410 | d663174d | Luiz Capitulino | if (!f) {
|
2411 | d663174d | Luiz Capitulino | error_setg(errp, "failed to open file '%s': %s", filename,
|
2412 | d663174d | Luiz Capitulino | strerror(errno)); |
2413 | d663174d | Luiz Capitulino | return;
|
2414 | d663174d | Luiz Capitulino | } |
2415 | d663174d | Luiz Capitulino | ret = fprintf(f, "P6\n%d %d\n%d\n", ds->width, ds->height, 255); |
2416 | d663174d | Luiz Capitulino | if (ret < 0) { |
2417 | d663174d | Luiz Capitulino | linebuf = NULL;
|
2418 | d663174d | Luiz Capitulino | goto write_err;
|
2419 | d663174d | Luiz Capitulino | } |
2420 | 7267c094 | Anthony Liguori | linebuf = g_malloc(ds->width * 3);
|
2421 | e07d630a | aliguori | d1 = ds->data; |
2422 | e07d630a | aliguori | for(y = 0; y < ds->height; y++) { |
2423 | 59a983b9 | bellard | d = d1; |
2424 | f8e378f2 | Avi Kivity | pbuf = linebuf; |
2425 | e07d630a | aliguori | for(x = 0; x < ds->width; x++) { |
2426 | e07d630a | aliguori | if (ds->pf.bits_per_pixel == 32) |
2427 | e07d630a | aliguori | v = *(uint32_t *)d; |
2428 | e07d630a | aliguori | else
|
2429 | e07d630a | aliguori | v = (uint32_t) (*(uint16_t *)d); |
2430 | a0f42610 | Avi Kivity | /* Limited to 8 or fewer bits per channel: */
|
2431 | a0f42610 | Avi Kivity | r = ((v >> ds->pf.rshift) & ds->pf.rmax) << (8 - ds->pf.rbits);
|
2432 | a0f42610 | Avi Kivity | g = ((v >> ds->pf.gshift) & ds->pf.gmax) << (8 - ds->pf.gbits);
|
2433 | a0f42610 | Avi Kivity | b = ((v >> ds->pf.bshift) & ds->pf.bmax) << (8 - ds->pf.bbits);
|
2434 | f8e378f2 | Avi Kivity | *pbuf++ = r; |
2435 | f8e378f2 | Avi Kivity | *pbuf++ = g; |
2436 | f8e378f2 | Avi Kivity | *pbuf++ = b; |
2437 | e07d630a | aliguori | d += ds->pf.bytes_per_pixel; |
2438 | 59a983b9 | bellard | } |
2439 | e07d630a | aliguori | d1 += ds->linesize; |
2440 | d663174d | Luiz Capitulino | clearerr(f); |
2441 | f8e378f2 | Avi Kivity | ret = fwrite(linebuf, 1, pbuf - linebuf, f);
|
2442 | f8e378f2 | Avi Kivity | (void)ret;
|
2443 | d663174d | Luiz Capitulino | if (ferror(f)) {
|
2444 | d663174d | Luiz Capitulino | goto write_err;
|
2445 | d663174d | Luiz Capitulino | } |
2446 | 59a983b9 | bellard | } |
2447 | d663174d | Luiz Capitulino | |
2448 | d663174d | Luiz Capitulino | out:
|
2449 | 7267c094 | Anthony Liguori | g_free(linebuf); |
2450 | 59a983b9 | bellard | fclose(f); |
2451 | d663174d | Luiz Capitulino | return;
|
2452 | d663174d | Luiz Capitulino | |
2453 | d663174d | Luiz Capitulino | write_err:
|
2454 | d663174d | Luiz Capitulino | error_setg(errp, "failed to write to file '%s': %s", filename,
|
2455 | d663174d | Luiz Capitulino | strerror(errno)); |
2456 | d663174d | Luiz Capitulino | unlink(filename); |
2457 | d663174d | Luiz Capitulino | goto out;
|
2458 | 59a983b9 | bellard | } |
2459 | 59a983b9 | bellard | |
2460 | 4c5e8c5c | blueswir1 | /* save the vga display in a PPM image even if no display is
|
2461 | 4c5e8c5c | blueswir1 | available */
|
2462 | d7098135 | Luiz Capitulino | static void vga_screen_dump(void *opaque, const char *filename, bool cswitch, |
2463 | d7098135 | Luiz Capitulino | Error **errp) |
2464 | 4c5e8c5c | blueswir1 | { |
2465 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
2466 | 4c5e8c5c | blueswir1 | |
2467 | 45efb161 | Gerd Hoffmann | if (cswitch) {
|
2468 | 45efb161 | Gerd Hoffmann | vga_invalidate_display(s); |
2469 | 45efb161 | Gerd Hoffmann | } |
2470 | 08c4ea29 | Gerd Hoffmann | vga_hw_update(); |
2471 | d663174d | Luiz Capitulino | ppm_save(filename, s->ds->surface, errp); |
2472 | 4c5e8c5c | blueswir1 | } |