1 | /* |
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2 | * QEMU Cirrus CLGD 54xx VGA Emulator. |
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3 | * |
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4 | * Copyright (c) 2004 Fabrice Bellard |
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5 | * Copyright (c) 2004 Makoto Suzuki (suzu) |
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6 | * |
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7 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
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8 | * of this software and associated documentation files (the "Software"), to deal |
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9 | * in the Software without restriction, including without limitation the rights |
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10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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11 | * copies of the Software, and to permit persons to whom the Software is |
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12 | * furnished to do so, subject to the following conditions: |
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13 | * |
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14 | * The above copyright notice and this permission notice shall be included in |
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15 | * all copies or substantial portions of the Software. |
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16 | * |
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17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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23 | * THE SOFTWARE. |
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24 | */ |
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25 | /* |
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26 | * Reference: Finn Thogersons' VGADOC4b |
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27 | * available at http://home.worldonline.dk/~finth/ |
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28 | */ |
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29 | #include "vl.h" |
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30 | #include "vga_int.h" |
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31 | #ifndef _WIN32 |
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32 | #include <sys/mman.h> |
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33 | #endif |
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34 | |
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35 | /* |
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36 | * TODO: |
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37 | * - destination write mask support not complete (bits 5..7) |
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38 | * - optimize linear mappings |
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39 | * - optimize bitblt functions |
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40 | */ |
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41 | |
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42 | //#define DEBUG_CIRRUS |
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43 | //#define DEBUG_BITBLT |
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44 | |
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45 | /*************************************** |
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46 | * |
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47 | * definitions |
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48 | * |
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49 | ***************************************/ |
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50 | |
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51 | #define qemu_MIN(a,b) ((a) < (b) ? (a) : (b)) |
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52 | |
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53 | // ID |
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54 | #define CIRRUS_ID_CLGD5422 (0x23<<2) |
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55 | #define CIRRUS_ID_CLGD5426 (0x24<<2) |
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56 | #define CIRRUS_ID_CLGD5424 (0x25<<2) |
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57 | #define CIRRUS_ID_CLGD5428 (0x26<<2) |
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58 | #define CIRRUS_ID_CLGD5430 (0x28<<2) |
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59 | #define CIRRUS_ID_CLGD5434 (0x2A<<2) |
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60 | #define CIRRUS_ID_CLGD5436 (0x2B<<2) |
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61 | #define CIRRUS_ID_CLGD5446 (0x2E<<2) |
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62 | |
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63 | // sequencer 0x07 |
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64 | #define CIRRUS_SR7_BPP_VGA 0x00 |
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65 | #define CIRRUS_SR7_BPP_SVGA 0x01 |
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66 | #define CIRRUS_SR7_BPP_MASK 0x0e |
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67 | #define CIRRUS_SR7_BPP_8 0x00 |
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68 | #define CIRRUS_SR7_BPP_16_DOUBLEVCLK 0x02 |
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69 | #define CIRRUS_SR7_BPP_24 0x04 |
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70 | #define CIRRUS_SR7_BPP_16 0x06 |
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71 | #define CIRRUS_SR7_BPP_32 0x08 |
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72 | #define CIRRUS_SR7_ISAADDR_MASK 0xe0 |
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73 | |
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74 | // sequencer 0x0f |
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75 | #define CIRRUS_MEMSIZE_512k 0x08 |
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76 | #define CIRRUS_MEMSIZE_1M 0x10 |
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77 | #define CIRRUS_MEMSIZE_2M 0x18 |
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78 | #define CIRRUS_MEMFLAGS_BANKSWITCH 0x80 // bank switching is enabled. |
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79 | |
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80 | // sequencer 0x12 |
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81 | #define CIRRUS_CURSOR_SHOW 0x01 |
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82 | #define CIRRUS_CURSOR_HIDDENPEL 0x02 |
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83 | #define CIRRUS_CURSOR_LARGE 0x04 // 64x64 if set, 32x32 if clear |
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84 | |
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85 | // sequencer 0x17 |
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86 | #define CIRRUS_BUSTYPE_VLBFAST 0x10 |
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87 | #define CIRRUS_BUSTYPE_PCI 0x20 |
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88 | #define CIRRUS_BUSTYPE_VLBSLOW 0x30 |
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89 | #define CIRRUS_BUSTYPE_ISA 0x38 |
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90 | #define CIRRUS_MMIO_ENABLE 0x04 |
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91 | #define CIRRUS_MMIO_USE_PCIADDR 0x40 // 0xb8000 if cleared. |
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92 | #define CIRRUS_MEMSIZEEXT_DOUBLE 0x80 |
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93 | |
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94 | // control 0x0b |
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95 | #define CIRRUS_BANKING_DUAL 0x01 |
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96 | #define CIRRUS_BANKING_GRANULARITY_16K 0x20 // set:16k, clear:4k |
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97 | |
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98 | // control 0x30 |
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99 | #define CIRRUS_BLTMODE_BACKWARDS 0x01 |
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100 | #define CIRRUS_BLTMODE_MEMSYSDEST 0x02 |
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101 | #define CIRRUS_BLTMODE_MEMSYSSRC 0x04 |
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102 | #define CIRRUS_BLTMODE_TRANSPARENTCOMP 0x08 |
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103 | #define CIRRUS_BLTMODE_PATTERNCOPY 0x40 |
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104 | #define CIRRUS_BLTMODE_COLOREXPAND 0x80 |
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105 | #define CIRRUS_BLTMODE_PIXELWIDTHMASK 0x30 |
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106 | #define CIRRUS_BLTMODE_PIXELWIDTH8 0x00 |
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107 | #define CIRRUS_BLTMODE_PIXELWIDTH16 0x10 |
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108 | #define CIRRUS_BLTMODE_PIXELWIDTH24 0x20 |
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109 | #define CIRRUS_BLTMODE_PIXELWIDTH32 0x30 |
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110 | |
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111 | // control 0x31 |
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112 | #define CIRRUS_BLT_BUSY 0x01 |
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113 | #define CIRRUS_BLT_START 0x02 |
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114 | #define CIRRUS_BLT_RESET 0x04 |
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115 | #define CIRRUS_BLT_FIFOUSED 0x10 |
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116 | #define CIRRUS_BLT_AUTOSTART 0x80 |
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117 | |
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118 | // control 0x32 |
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119 | #define CIRRUS_ROP_0 0x00 |
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120 | #define CIRRUS_ROP_SRC_AND_DST 0x05 |
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121 | #define CIRRUS_ROP_NOP 0x06 |
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122 | #define CIRRUS_ROP_SRC_AND_NOTDST 0x09 |
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123 | #define CIRRUS_ROP_NOTDST 0x0b |
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124 | #define CIRRUS_ROP_SRC 0x0d |
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125 | #define CIRRUS_ROP_1 0x0e |
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126 | #define CIRRUS_ROP_NOTSRC_AND_DST 0x50 |
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127 | #define CIRRUS_ROP_SRC_XOR_DST 0x59 |
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128 | #define CIRRUS_ROP_SRC_OR_DST 0x6d |
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129 | #define CIRRUS_ROP_NOTSRC_OR_NOTDST 0x90 |
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130 | #define CIRRUS_ROP_SRC_NOTXOR_DST 0x95 |
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131 | #define CIRRUS_ROP_SRC_OR_NOTDST 0xad |
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132 | #define CIRRUS_ROP_NOTSRC 0xd0 |
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133 | #define CIRRUS_ROP_NOTSRC_OR_DST 0xd6 |
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134 | #define CIRRUS_ROP_NOTSRC_AND_NOTDST 0xda |
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135 | |
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136 | #define CIRRUS_ROP_NOP_INDEX 2 |
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137 | #define CIRRUS_ROP_SRC_INDEX 5 |
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138 | |
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139 | // control 0x33 |
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140 | #define CIRRUS_BLTMODEEXT_SOLIDFILL 0x04 |
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141 | #define CIRRUS_BLTMODEEXT_COLOREXPINV 0x02 |
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142 | #define CIRRUS_BLTMODEEXT_DWORDGRANULARITY 0x01 |
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143 | |
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144 | // memory-mapped IO |
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145 | #define CIRRUS_MMIO_BLTBGCOLOR 0x00 // dword |
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146 | #define CIRRUS_MMIO_BLTFGCOLOR 0x04 // dword |
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147 | #define CIRRUS_MMIO_BLTWIDTH 0x08 // word |
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148 | #define CIRRUS_MMIO_BLTHEIGHT 0x0a // word |
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149 | #define CIRRUS_MMIO_BLTDESTPITCH 0x0c // word |
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150 | #define CIRRUS_MMIO_BLTSRCPITCH 0x0e // word |
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151 | #define CIRRUS_MMIO_BLTDESTADDR 0x10 // dword |
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152 | #define CIRRUS_MMIO_BLTSRCADDR 0x14 // dword |
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153 | #define CIRRUS_MMIO_BLTWRITEMASK 0x17 // byte |
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154 | #define CIRRUS_MMIO_BLTMODE 0x18 // byte |
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155 | #define CIRRUS_MMIO_BLTROP 0x1a // byte |
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156 | #define CIRRUS_MMIO_BLTMODEEXT 0x1b // byte |
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157 | #define CIRRUS_MMIO_BLTTRANSPARENTCOLOR 0x1c // word? |
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158 | #define CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK 0x20 // word? |
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159 | #define CIRRUS_MMIO_LINEARDRAW_START_X 0x24 // word |
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160 | #define CIRRUS_MMIO_LINEARDRAW_START_Y 0x26 // word |
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161 | #define CIRRUS_MMIO_LINEARDRAW_END_X 0x28 // word |
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162 | #define CIRRUS_MMIO_LINEARDRAW_END_Y 0x2a // word |
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163 | #define CIRRUS_MMIO_LINEARDRAW_LINESTYLE_INC 0x2c // byte |
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164 | #define CIRRUS_MMIO_LINEARDRAW_LINESTYLE_ROLLOVER 0x2d // byte |
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165 | #define CIRRUS_MMIO_LINEARDRAW_LINESTYLE_MASK 0x2e // byte |
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166 | #define CIRRUS_MMIO_LINEARDRAW_LINESTYLE_ACCUM 0x2f // byte |
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167 | #define CIRRUS_MMIO_BRESENHAM_K1 0x30 // word |
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168 | #define CIRRUS_MMIO_BRESENHAM_K3 0x32 // word |
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169 | #define CIRRUS_MMIO_BRESENHAM_ERROR 0x34 // word |
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170 | #define CIRRUS_MMIO_BRESENHAM_DELTA_MAJOR 0x36 // word |
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171 | #define CIRRUS_MMIO_BRESENHAM_DIRECTION 0x38 // byte |
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172 | #define CIRRUS_MMIO_LINEDRAW_MODE 0x39 // byte |
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173 | #define CIRRUS_MMIO_BLTSTATUS 0x40 // byte |
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174 | |
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175 | // PCI 0x00: vendor, 0x02: device |
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176 | #define PCI_VENDOR_CIRRUS 0x1013 |
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177 | #define PCI_DEVICE_CLGD5462 0x00d0 |
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178 | #define PCI_DEVICE_CLGD5465 0x00d6 |
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179 | |
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180 | // PCI 0x04: command(word), 0x06(word): status |
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181 | #define PCI_COMMAND_IOACCESS 0x0001 |
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182 | #define PCI_COMMAND_MEMACCESS 0x0002 |
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183 | #define PCI_COMMAND_BUSMASTER 0x0004 |
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184 | #define PCI_COMMAND_SPECIALCYCLE 0x0008 |
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185 | #define PCI_COMMAND_MEMWRITEINVALID 0x0010 |
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186 | #define PCI_COMMAND_PALETTESNOOPING 0x0020 |
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187 | #define PCI_COMMAND_PARITYDETECTION 0x0040 |
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188 | #define PCI_COMMAND_ADDRESSDATASTEPPING 0x0080 |
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189 | #define PCI_COMMAND_SERR 0x0100 |
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190 | #define PCI_COMMAND_BACKTOBACKTRANS 0x0200 |
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191 | // PCI 0x08, 0xff000000 (0x09-0x0b:class,0x08:rev) |
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192 | #define PCI_CLASS_BASE_DISPLAY 0x03 |
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193 | // PCI 0x08, 0x00ff0000 |
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194 | #define PCI_CLASS_SUB_VGA 0x00 |
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195 | // PCI 0x0c, 0x00ff0000 (0x0c:cacheline,0x0d:latency,0x0e:headertype,0x0f:Built-in self test) |
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196 | #define PCI_CLASS_HEADERTYPE_00h 0x00 |
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197 | // 0x10-0x3f (headertype 00h) |
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198 | // PCI 0x10,0x14,0x18,0x1c,0x20,0x24: base address mapping registers |
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199 | // 0x10: MEMBASE, 0x14: IOBASE(hard-coded in XFree86 3.x) |
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200 | #define PCI_MAP_MEM 0x0 |
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201 | #define PCI_MAP_IO 0x1 |
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202 | #define PCI_MAP_MEM_ADDR_MASK (~0xf) |
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203 | #define PCI_MAP_IO_ADDR_MASK (~0x3) |
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204 | #define PCI_MAP_MEMFLAGS_32BIT 0x0 |
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205 | #define PCI_MAP_MEMFLAGS_32BIT_1M 0x1 |
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206 | #define PCI_MAP_MEMFLAGS_64BIT 0x4 |
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207 | #define PCI_MAP_MEMFLAGS_CACHEABLE 0x8 |
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208 | // PCI 0x28: cardbus CIS pointer |
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209 | // PCI 0x2c: subsystem vendor id, 0x2e: subsystem id |
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210 | // PCI 0x30: expansion ROM base address |
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211 | #define PCI_ROMBIOS_ENABLED 0x1 |
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212 | // PCI 0x34: 0xffffff00=reserved, 0x000000ff=capabilities pointer |
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213 | // PCI 0x38: reserved |
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214 | // PCI 0x3c: 0x3c=int-line, 0x3d=int-pin, 0x3e=min-gnt, 0x3f=maax-lat |
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215 | |
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216 | #define CIRRUS_PNPMMIO_SIZE 0x1000 |
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217 | |
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218 | |
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219 | /* I/O and memory hook */ |
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220 | #define CIRRUS_HOOK_NOT_HANDLED 0 |
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221 | #define CIRRUS_HOOK_HANDLED 1 |
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222 | |
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223 | struct CirrusVGAState; |
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224 | typedef void (*cirrus_bitblt_rop_t) (struct CirrusVGAState *s, |
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225 | uint8_t * dst, const uint8_t * src, |
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226 | int dstpitch, int srcpitch, |
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227 | int bltwidth, int bltheight); |
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228 | typedef void (*cirrus_fill_t)(struct CirrusVGAState *s, |
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229 | uint8_t *dst, int dst_pitch, int width, int height); |
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230 | |
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231 | typedef struct CirrusVGAState { |
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232 | VGA_STATE_COMMON |
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233 | |
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234 | int cirrus_linear_io_addr; |
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235 | int cirrus_linear_bitblt_io_addr; |
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236 | int cirrus_mmio_io_addr; |
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237 | unsigned long cirrus_lfb_addr; |
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238 | unsigned long cirrus_lfb_end; |
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239 | uint32_t cirrus_addr_mask; |
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240 | uint32_t linear_mmio_mask; |
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241 | uint8_t cirrus_shadow_gr0; |
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242 | uint8_t cirrus_shadow_gr1; |
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243 | uint8_t cirrus_hidden_dac_lockindex; |
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244 | uint8_t cirrus_hidden_dac_data; |
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245 | uint32_t cirrus_bank_base[2]; |
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246 | uint32_t cirrus_bank_limit[2]; |
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247 | uint8_t cirrus_hidden_palette[48]; |
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248 | uint32_t hw_cursor_x; |
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249 | uint32_t hw_cursor_y; |
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250 | int cirrus_blt_pixelwidth; |
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251 | int cirrus_blt_width; |
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252 | int cirrus_blt_height; |
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253 | int cirrus_blt_dstpitch; |
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254 | int cirrus_blt_srcpitch; |
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255 | uint32_t cirrus_blt_fgcol; |
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256 | uint32_t cirrus_blt_bgcol; |
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257 | uint32_t cirrus_blt_dstaddr; |
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258 | uint32_t cirrus_blt_srcaddr; |
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259 | uint8_t cirrus_blt_mode; |
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260 | uint8_t cirrus_blt_modeext; |
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261 | cirrus_bitblt_rop_t cirrus_rop; |
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262 | #define CIRRUS_BLTBUFSIZE (2048 * 4) /* one line width */ |
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263 | uint8_t cirrus_bltbuf[CIRRUS_BLTBUFSIZE]; |
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264 | uint8_t *cirrus_srcptr; |
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265 | uint8_t *cirrus_srcptr_end; |
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266 | uint32_t cirrus_srccounter; |
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267 | /* hwcursor display state */ |
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268 | int last_hw_cursor_size; |
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269 | int last_hw_cursor_x; |
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270 | int last_hw_cursor_y; |
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271 | int last_hw_cursor_y_start; |
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272 | int last_hw_cursor_y_end; |
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273 | int real_vram_size; /* XXX: suppress that */ |
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274 | CPUWriteMemoryFunc **cirrus_linear_write; |
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275 | unsigned long map_addr; |
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276 | unsigned long map_end; |
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277 | } CirrusVGAState; |
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278 | |
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279 | typedef struct PCICirrusVGAState { |
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280 | PCIDevice dev; |
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281 | CirrusVGAState cirrus_vga; |
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282 | } PCICirrusVGAState; |
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283 | |
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284 | static uint8_t rop_to_index[256]; |
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285 | |
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286 | void *shared_vram; |
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287 | |
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288 | /*************************************** |
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289 | * |
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290 | * prototypes. |
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291 | * |
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292 | ***************************************/ |
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293 | |
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294 | |
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295 | static void cirrus_bitblt_reset(CirrusVGAState *s); |
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296 | static void cirrus_update_memory_access(CirrusVGAState *s); |
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297 | |
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298 | /*************************************** |
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299 | * |
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300 | * raster operations |
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301 | * |
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302 | ***************************************/ |
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303 | |
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304 | static void cirrus_bitblt_rop_nop(CirrusVGAState *s, |
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305 | uint8_t *dst,const uint8_t *src, |
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306 | int dstpitch,int srcpitch, |
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307 | int bltwidth,int bltheight) |
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308 | { |
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309 | } |
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310 | |
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311 | static void cirrus_bitblt_fill_nop(CirrusVGAState *s, |
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312 | uint8_t *dst, |
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313 | int dstpitch, int bltwidth,int bltheight) |
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314 | { |
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315 | } |
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316 | |
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317 | #define ROP_NAME 0 |
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318 | #define ROP_OP(d, s) d = 0 |
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319 | #include "cirrus_vga_rop.h" |
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320 | |
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321 | #define ROP_NAME src_and_dst |
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322 | #define ROP_OP(d, s) d = (s) & (d) |
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323 | #include "cirrus_vga_rop.h" |
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324 | |
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325 | #define ROP_NAME src_and_notdst |
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326 | #define ROP_OP(d, s) d = (s) & (~(d)) |
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327 | #include "cirrus_vga_rop.h" |
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328 | |
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329 | #define ROP_NAME notdst |
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330 | #define ROP_OP(d, s) d = ~(d) |
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331 | #include "cirrus_vga_rop.h" |
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332 | |
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333 | #define ROP_NAME src |
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334 | #define ROP_OP(d, s) d = s |
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335 | #include "cirrus_vga_rop.h" |
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336 | |
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337 | #define ROP_NAME 1 |
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338 | #define ROP_OP(d, s) d = ~0 |
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339 | #include "cirrus_vga_rop.h" |
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340 | |
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341 | #define ROP_NAME notsrc_and_dst |
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342 | #define ROP_OP(d, s) d = (~(s)) & (d) |
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343 | #include "cirrus_vga_rop.h" |
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344 | |
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345 | #define ROP_NAME src_xor_dst |
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346 | #define ROP_OP(d, s) d = (s) ^ (d) |
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347 | #include "cirrus_vga_rop.h" |
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348 | |
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349 | #define ROP_NAME src_or_dst |
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350 | #define ROP_OP(d, s) d = (s) | (d) |
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351 | #include "cirrus_vga_rop.h" |
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352 | |
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353 | #define ROP_NAME notsrc_or_notdst |
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354 | #define ROP_OP(d, s) d = (~(s)) | (~(d)) |
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355 | #include "cirrus_vga_rop.h" |
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356 | |
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357 | #define ROP_NAME src_notxor_dst |
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358 | #define ROP_OP(d, s) d = ~((s) ^ (d)) |
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359 | #include "cirrus_vga_rop.h" |
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360 | |
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361 | #define ROP_NAME src_or_notdst |
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362 | #define ROP_OP(d, s) d = (s) | (~(d)) |
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363 | #include "cirrus_vga_rop.h" |
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364 | |
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365 | #define ROP_NAME notsrc |
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366 | #define ROP_OP(d, s) d = (~(s)) |
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367 | #include "cirrus_vga_rop.h" |
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368 | |
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369 | #define ROP_NAME notsrc_or_dst |
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370 | #define ROP_OP(d, s) d = (~(s)) | (d) |
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371 | #include "cirrus_vga_rop.h" |
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372 | |
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373 | #define ROP_NAME notsrc_and_notdst |
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374 | #define ROP_OP(d, s) d = (~(s)) & (~(d)) |
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375 | #include "cirrus_vga_rop.h" |
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376 | |
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377 | static const cirrus_bitblt_rop_t cirrus_fwd_rop[16] = { |
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378 | cirrus_bitblt_rop_fwd_0, |
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379 | cirrus_bitblt_rop_fwd_src_and_dst, |
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380 | cirrus_bitblt_rop_nop, |
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381 | cirrus_bitblt_rop_fwd_src_and_notdst, |
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382 | cirrus_bitblt_rop_fwd_notdst, |
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383 | cirrus_bitblt_rop_fwd_src, |
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384 | cirrus_bitblt_rop_fwd_1, |
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385 | cirrus_bitblt_rop_fwd_notsrc_and_dst, |
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386 | cirrus_bitblt_rop_fwd_src_xor_dst, |
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387 | cirrus_bitblt_rop_fwd_src_or_dst, |
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388 | cirrus_bitblt_rop_fwd_notsrc_or_notdst, |
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389 | cirrus_bitblt_rop_fwd_src_notxor_dst, |
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390 | cirrus_bitblt_rop_fwd_src_or_notdst, |
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391 | cirrus_bitblt_rop_fwd_notsrc, |
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392 | cirrus_bitblt_rop_fwd_notsrc_or_dst, |
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393 | cirrus_bitblt_rop_fwd_notsrc_and_notdst, |
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394 | }; |
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395 | |
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396 | static const cirrus_bitblt_rop_t cirrus_bkwd_rop[16] = { |
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397 | cirrus_bitblt_rop_bkwd_0, |
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398 | cirrus_bitblt_rop_bkwd_src_and_dst, |
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399 | cirrus_bitblt_rop_nop, |
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400 | cirrus_bitblt_rop_bkwd_src_and_notdst, |
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401 | cirrus_bitblt_rop_bkwd_notdst, |
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402 | cirrus_bitblt_rop_bkwd_src, |
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403 | cirrus_bitblt_rop_bkwd_1, |
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404 | cirrus_bitblt_rop_bkwd_notsrc_and_dst, |
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405 | cirrus_bitblt_rop_bkwd_src_xor_dst, |
---|
406 | cirrus_bitblt_rop_bkwd_src_or_dst, |
---|
407 | cirrus_bitblt_rop_bkwd_notsrc_or_notdst, |
---|
408 | cirrus_bitblt_rop_bkwd_src_notxor_dst, |
---|
409 | cirrus_bitblt_rop_bkwd_src_or_notdst, |
---|
410 | cirrus_bitblt_rop_bkwd_notsrc, |
---|
411 | cirrus_bitblt_rop_bkwd_notsrc_or_dst, |
---|
412 | cirrus_bitblt_rop_bkwd_notsrc_and_notdst, |
---|
413 | }; |
---|
414 | |
---|
415 | #define ROP2(name) {\ |
---|
416 | name ## _8,\ |
---|
417 | name ## _16,\ |
---|
418 | name ## _24,\ |
---|
419 | name ## _32,\ |
---|
420 | } |
---|
421 | |
---|
422 | #define ROP_NOP2(func) {\ |
---|
423 | func,\ |
---|
424 | func,\ |
---|
425 | func,\ |
---|
426 | func,\ |
---|
427 | } |
---|
428 | |
---|
429 | static const cirrus_bitblt_rop_t cirrus_patternfill[16][4] = { |
---|
430 | ROP2(cirrus_patternfill_0), |
---|
431 | ROP2(cirrus_patternfill_src_and_dst), |
---|
432 | ROP_NOP2(cirrus_bitblt_rop_nop), |
---|
433 | ROP2(cirrus_patternfill_src_and_notdst), |
---|
434 | ROP2(cirrus_patternfill_notdst), |
---|
435 | ROP2(cirrus_patternfill_src), |
---|
436 | ROP2(cirrus_patternfill_1), |
---|
437 | ROP2(cirrus_patternfill_notsrc_and_dst), |
---|
438 | ROP2(cirrus_patternfill_src_xor_dst), |
---|
439 | ROP2(cirrus_patternfill_src_or_dst), |
---|
440 | ROP2(cirrus_patternfill_notsrc_or_notdst), |
---|
441 | ROP2(cirrus_patternfill_src_notxor_dst), |
---|
442 | ROP2(cirrus_patternfill_src_or_notdst), |
---|
443 | ROP2(cirrus_patternfill_notsrc), |
---|
444 | ROP2(cirrus_patternfill_notsrc_or_dst), |
---|
445 | ROP2(cirrus_patternfill_notsrc_and_notdst), |
---|
446 | }; |
---|
447 | |
---|
448 | static const cirrus_bitblt_rop_t cirrus_colorexpand_transp[16][4] = { |
---|
449 | ROP2(cirrus_colorexpand_transp_0), |
---|
450 | ROP2(cirrus_colorexpand_transp_src_and_dst), |
---|
451 | ROP_NOP2(cirrus_bitblt_rop_nop), |
---|
452 | ROP2(cirrus_colorexpand_transp_src_and_notdst), |
---|
453 | ROP2(cirrus_colorexpand_transp_notdst), |
---|
454 | ROP2(cirrus_colorexpand_transp_src), |
---|
455 | ROP2(cirrus_colorexpand_transp_1), |
---|
456 | ROP2(cirrus_colorexpand_transp_notsrc_and_dst), |
---|
457 | ROP2(cirrus_colorexpand_transp_src_xor_dst), |
---|
458 | ROP2(cirrus_colorexpand_transp_src_or_dst), |
---|
459 | ROP2(cirrus_colorexpand_transp_notsrc_or_notdst), |
---|
460 | ROP2(cirrus_colorexpand_transp_src_notxor_dst), |
---|
461 | ROP2(cirrus_colorexpand_transp_src_or_notdst), |
---|
462 | ROP2(cirrus_colorexpand_transp_notsrc), |
---|
463 | ROP2(cirrus_colorexpand_transp_notsrc_or_dst), |
---|
464 | ROP2(cirrus_colorexpand_transp_notsrc_and_notdst), |
---|
465 | }; |
---|
466 | |
---|
467 | static const cirrus_bitblt_rop_t cirrus_colorexpand[16][4] = { |
---|
468 | ROP2(cirrus_colorexpand_0), |
---|
469 | ROP2(cirrus_colorexpand_src_and_dst), |
---|
470 | ROP_NOP2(cirrus_bitblt_rop_nop), |
---|
471 | ROP2(cirrus_colorexpand_src_and_notdst), |
---|
472 | ROP2(cirrus_colorexpand_notdst), |
---|
473 | ROP2(cirrus_colorexpand_src), |
---|
474 | ROP2(cirrus_colorexpand_1), |
---|
475 | ROP2(cirrus_colorexpand_notsrc_and_dst), |
---|
476 | ROP2(cirrus_colorexpand_src_xor_dst), |
---|
477 | ROP2(cirrus_colorexpand_src_or_dst), |
---|
478 | ROP2(cirrus_colorexpand_notsrc_or_notdst), |
---|
479 | ROP2(cirrus_colorexpand_src_notxor_dst), |
---|
480 | ROP2(cirrus_colorexpand_src_or_notdst), |
---|
481 | ROP2(cirrus_colorexpand_notsrc), |
---|
482 | ROP2(cirrus_colorexpand_notsrc_or_dst), |
---|
483 | ROP2(cirrus_colorexpand_notsrc_and_notdst), |
---|
484 | }; |
---|
485 | |
---|
486 | static const cirrus_bitblt_rop_t cirrus_colorexpand_pattern_transp[16][4] = { |
---|
487 | ROP2(cirrus_colorexpand_pattern_transp_0), |
---|
488 | ROP2(cirrus_colorexpand_pattern_transp_src_and_dst), |
---|
489 | ROP_NOP2(cirrus_bitblt_rop_nop), |
---|
490 | ROP2(cirrus_colorexpand_pattern_transp_src_and_notdst), |
---|
491 | ROP2(cirrus_colorexpand_pattern_transp_notdst), |
---|
492 | ROP2(cirrus_colorexpand_pattern_transp_src), |
---|
493 | ROP2(cirrus_colorexpand_pattern_transp_1), |
---|
494 | ROP2(cirrus_colorexpand_pattern_transp_notsrc_and_dst), |
---|
495 | ROP2(cirrus_colorexpand_pattern_transp_src_xor_dst), |
---|
496 | ROP2(cirrus_colorexpand_pattern_transp_src_or_dst), |
---|
497 | ROP2(cirrus_colorexpand_pattern_transp_notsrc_or_notdst), |
---|
498 | ROP2(cirrus_colorexpand_pattern_transp_src_notxor_dst), |
---|
499 | ROP2(cirrus_colorexpand_pattern_transp_src_or_notdst), |
---|
500 | ROP2(cirrus_colorexpand_pattern_transp_notsrc), |
---|
501 | ROP2(cirrus_colorexpand_pattern_transp_notsrc_or_dst), |
---|
502 | ROP2(cirrus_colorexpand_pattern_transp_notsrc_and_notdst), |
---|
503 | }; |
---|
504 | |
---|
505 | static const cirrus_bitblt_rop_t cirrus_colorexpand_pattern[16][4] = { |
---|
506 | ROP2(cirrus_colorexpand_pattern_0), |
---|
507 | ROP2(cirrus_colorexpand_pattern_src_and_dst), |
---|
508 | ROP_NOP2(cirrus_bitblt_rop_nop), |
---|
509 | ROP2(cirrus_colorexpand_pattern_src_and_notdst), |
---|
510 | ROP2(cirrus_colorexpand_pattern_notdst), |
---|
511 | ROP2(cirrus_colorexpand_pattern_src), |
---|
512 | ROP2(cirrus_colorexpand_pattern_1), |
---|
513 | ROP2(cirrus_colorexpand_pattern_notsrc_and_dst), |
---|
514 | ROP2(cirrus_colorexpand_pattern_src_xor_dst), |
---|
515 | ROP2(cirrus_colorexpand_pattern_src_or_dst), |
---|
516 | ROP2(cirrus_colorexpand_pattern_notsrc_or_notdst), |
---|
517 | ROP2(cirrus_colorexpand_pattern_src_notxor_dst), |
---|
518 | ROP2(cirrus_colorexpand_pattern_src_or_notdst), |
---|
519 | ROP2(cirrus_colorexpand_pattern_notsrc), |
---|
520 | ROP2(cirrus_colorexpand_pattern_notsrc_or_dst), |
---|
521 | ROP2(cirrus_colorexpand_pattern_notsrc_and_notdst), |
---|
522 | }; |
---|
523 | |
---|
524 | static const cirrus_fill_t cirrus_fill[16][4] = { |
---|
525 | ROP2(cirrus_fill_0), |
---|
526 | ROP2(cirrus_fill_src_and_dst), |
---|
527 | ROP_NOP2(cirrus_bitblt_fill_nop), |
---|
528 | ROP2(cirrus_fill_src_and_notdst), |
---|
529 | ROP2(cirrus_fill_notdst), |
---|
530 | ROP2(cirrus_fill_src), |
---|
531 | ROP2(cirrus_fill_1), |
---|
532 | ROP2(cirrus_fill_notsrc_and_dst), |
---|
533 | ROP2(cirrus_fill_src_xor_dst), |
---|
534 | ROP2(cirrus_fill_src_or_dst), |
---|
535 | ROP2(cirrus_fill_notsrc_or_notdst), |
---|
536 | ROP2(cirrus_fill_src_notxor_dst), |
---|
537 | ROP2(cirrus_fill_src_or_notdst), |
---|
538 | ROP2(cirrus_fill_notsrc), |
---|
539 | ROP2(cirrus_fill_notsrc_or_dst), |
---|
540 | ROP2(cirrus_fill_notsrc_and_notdst), |
---|
541 | }; |
---|
542 | |
---|
543 | static inline void cirrus_bitblt_fgcol(CirrusVGAState *s) |
---|
544 | { |
---|
545 | unsigned int color; |
---|
546 | switch (s->cirrus_blt_pixelwidth) { |
---|
547 | case 1: |
---|
548 | s->cirrus_blt_fgcol = s->cirrus_shadow_gr1; |
---|
549 | break; |
---|
550 | case 2: |
---|
551 | color = s->cirrus_shadow_gr1 | (s->gr[0x11] << 8); |
---|
552 | s->cirrus_blt_fgcol = le16_to_cpu(color); |
---|
553 | break; |
---|
554 | case 3: |
---|
555 | s->cirrus_blt_fgcol = s->cirrus_shadow_gr1 | |
---|
556 | (s->gr[0x11] << 8) | (s->gr[0x13] << 16); |
---|
557 | break; |
---|
558 | default: |
---|
559 | case 4: |
---|
560 | color = s->cirrus_shadow_gr1 | (s->gr[0x11] << 8) | |
---|
561 | (s->gr[0x13] << 16) | (s->gr[0x15] << 24); |
---|
562 | s->cirrus_blt_fgcol = le32_to_cpu(color); |
---|
563 | break; |
---|
564 | } |
---|
565 | } |
---|
566 | |
---|
567 | static inline void cirrus_bitblt_bgcol(CirrusVGAState *s) |
---|
568 | { |
---|
569 | unsigned int color; |
---|
570 | switch (s->cirrus_blt_pixelwidth) { |
---|
571 | case 1: |
---|
572 | s->cirrus_blt_bgcol = s->cirrus_shadow_gr0; |
---|
573 | break; |
---|
574 | case 2: |
---|
575 | color = s->cirrus_shadow_gr0 | (s->gr[0x10] << 8); |
---|
576 | s->cirrus_blt_bgcol = le16_to_cpu(color); |
---|
577 | break; |
---|
578 | case 3: |
---|
579 | s->cirrus_blt_bgcol = s->cirrus_shadow_gr0 | |
---|
580 | (s->gr[0x10] << 8) | (s->gr[0x12] << 16); |
---|
581 | break; |
---|
582 | default: |
---|
583 | case 4: |
---|
584 | color = s->cirrus_shadow_gr0 | (s->gr[0x10] << 8) | |
---|
585 | (s->gr[0x12] << 16) | (s->gr[0x14] << 24); |
---|
586 | s->cirrus_blt_bgcol = le32_to_cpu(color); |
---|
587 | break; |
---|
588 | } |
---|
589 | } |
---|
590 | |
---|
591 | static void cirrus_invalidate_region(CirrusVGAState * s, int off_begin, |
---|
592 | int off_pitch, int bytesperline, |
---|
593 | int lines) |
---|
594 | { |
---|
595 | int y; |
---|
596 | int off_cur; |
---|
597 | int off_cur_end; |
---|
598 | |
---|
599 | for (y = 0; y < lines; y++) { |
---|
600 | off_cur = off_begin; |
---|
601 | off_cur_end = off_cur + bytesperline; |
---|
602 | off_cur &= TARGET_PAGE_MASK; |
---|
603 | while (off_cur < off_cur_end) { |
---|
604 | cpu_physical_memory_set_dirty(s->vram_offset + |
---|
605 | (off_cur & s->cirrus_addr_mask)); |
---|
606 | off_cur += TARGET_PAGE_SIZE; |
---|
607 | } |
---|
608 | off_begin += off_pitch; |
---|
609 | } |
---|
610 | } |
---|
611 | |
---|
612 | static int cirrus_bitblt_common_patterncopy(CirrusVGAState * s, |
---|
613 | const uint8_t * src) |
---|
614 | { |
---|
615 | uint8_t *dst; |
---|
616 | |
---|
617 | dst = s->vram_ptr + s->cirrus_blt_dstaddr; |
---|
618 | (*s->cirrus_rop) (s, dst, src, |
---|
619 | s->cirrus_blt_dstpitch, 0, |
---|
620 | s->cirrus_blt_width, s->cirrus_blt_height); |
---|
621 | cirrus_invalidate_region(s, s->cirrus_blt_dstaddr, |
---|
622 | s->cirrus_blt_dstpitch, s->cirrus_blt_width, |
---|
623 | s->cirrus_blt_height); |
---|
624 | return 1; |
---|
625 | } |
---|
626 | |
---|
627 | /* fill */ |
---|
628 | |
---|
629 | static int cirrus_bitblt_solidfill(CirrusVGAState *s, int blt_rop) |
---|
630 | { |
---|
631 | cirrus_fill_t rop_func; |
---|
632 | |
---|
633 | rop_func = cirrus_fill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; |
---|
634 | rop_func(s, s->vram_ptr + s->cirrus_blt_dstaddr, |
---|
635 | s->cirrus_blt_dstpitch, |
---|
636 | s->cirrus_blt_width, s->cirrus_blt_height); |
---|
637 | cirrus_invalidate_region(s, s->cirrus_blt_dstaddr, |
---|
638 | s->cirrus_blt_dstpitch, s->cirrus_blt_width, |
---|
639 | s->cirrus_blt_height); |
---|
640 | cirrus_bitblt_reset(s); |
---|
641 | return 1; |
---|
642 | } |
---|
643 | |
---|
644 | /*************************************** |
---|
645 | * |
---|
646 | * bitblt (video-to-video) |
---|
647 | * |
---|
648 | ***************************************/ |
---|
649 | |
---|
650 | static int cirrus_bitblt_videotovideo_patterncopy(CirrusVGAState * s) |
---|
651 | { |
---|
652 | return cirrus_bitblt_common_patterncopy(s, |
---|
653 | s->vram_ptr + |
---|
654 | (s->cirrus_blt_srcaddr & ~7)); |
---|
655 | } |
---|
656 | |
---|
657 | static void cirrus_do_copy(CirrusVGAState *s, int dst, int src, int w, int h) |
---|
658 | { |
---|
659 | int sx, sy; |
---|
660 | int dx, dy; |
---|
661 | int width, height; |
---|
662 | int depth; |
---|
663 | int notify = 0; |
---|
664 | |
---|
665 | depth = s->get_bpp((VGAState *)s) / 8; |
---|
666 | s->get_resolution((VGAState *)s, &width, &height); |
---|
667 | |
---|
668 | /* extra x, y */ |
---|
669 | sx = (src % (width * depth)) / depth; |
---|
670 | sy = (src / (width * depth)); |
---|
671 | dx = (dst % (width *depth)) / depth; |
---|
672 | dy = (dst / (width * depth)); |
---|
673 | |
---|
674 | /* normalize width */ |
---|
675 | w /= depth; |
---|
676 | |
---|
677 | /* if we're doing a backward copy, we have to adjust |
---|
678 | our x/y to be the upper left corner (instead of the lower |
---|
679 | right corner) */ |
---|
680 | if (s->cirrus_blt_dstpitch < 0) { |
---|
681 | sx -= (s->cirrus_blt_width / depth) - 1; |
---|
682 | dx -= (s->cirrus_blt_width / depth) - 1; |
---|
683 | sy -= s->cirrus_blt_height - 1; |
---|
684 | dy -= s->cirrus_blt_height - 1; |
---|
685 | } |
---|
686 | |
---|
687 | /* are we in the visible portion of memory? */ |
---|
688 | if (sx >= 0 && sy >= 0 && dx >= 0 && dy >= 0 && |
---|
689 | (sx + w) <= width && (sy + h) <= height && |
---|
690 | (dx + w) <= width && (dy + h) <= height) { |
---|
691 | notify = 1; |
---|
692 | } |
---|
693 | |
---|
694 | /* make to sure only copy if it's a plain copy ROP */ |
---|
695 | if (*s->cirrus_rop != cirrus_bitblt_rop_fwd_src && |
---|
696 | *s->cirrus_rop != cirrus_bitblt_rop_bkwd_src) |
---|
697 | notify = 0; |
---|
698 | |
---|
699 | /* we have to flush all pending changes so that the copy |
---|
700 | is generated at the appropriate moment in time */ |
---|
701 | if (notify) |
---|
702 | vga_hw_update(); |
---|
703 | |
---|
704 | (*s->cirrus_rop) (s, s->vram_ptr + s->cirrus_blt_dstaddr, |
---|
705 | s->vram_ptr + s->cirrus_blt_srcaddr, |
---|
706 | s->cirrus_blt_dstpitch, s->cirrus_blt_srcpitch, |
---|
707 | s->cirrus_blt_width, s->cirrus_blt_height); |
---|
708 | |
---|
709 | if (notify) |
---|
710 | s->ds->dpy_copy(s->ds, |
---|
711 | sx, sy, dx, dy, |
---|
712 | s->cirrus_blt_width / depth, |
---|
713 | s->cirrus_blt_height); |
---|
714 | |
---|
715 | /* we don't have to notify the display that this portion has |
---|
716 | changed since dpy_copy implies this */ |
---|
717 | |
---|
718 | if (!notify) |
---|
719 | cirrus_invalidate_region(s, s->cirrus_blt_dstaddr, |
---|
720 | s->cirrus_blt_dstpitch, s->cirrus_blt_width, |
---|
721 | s->cirrus_blt_height); |
---|
722 | } |
---|
723 | |
---|
724 | static int cirrus_bitblt_videotovideo_copy(CirrusVGAState * s) |
---|
725 | { |
---|
726 | if (s->ds->dpy_copy) { |
---|
727 | cirrus_do_copy(s, s->cirrus_blt_dstaddr - s->start_addr, |
---|
728 | s->cirrus_blt_srcaddr - s->start_addr, |
---|
729 | s->cirrus_blt_width, s->cirrus_blt_height); |
---|
730 | } else { |
---|
731 | (*s->cirrus_rop) (s, s->vram_ptr + s->cirrus_blt_dstaddr, |
---|
732 | s->vram_ptr + s->cirrus_blt_srcaddr, |
---|
733 | s->cirrus_blt_dstpitch, s->cirrus_blt_srcpitch, |
---|
734 | s->cirrus_blt_width, s->cirrus_blt_height); |
---|
735 | |
---|
736 | cirrus_invalidate_region(s, s->cirrus_blt_dstaddr, |
---|
737 | s->cirrus_blt_dstpitch, s->cirrus_blt_width, |
---|
738 | s->cirrus_blt_height); |
---|
739 | } |
---|
740 | |
---|
741 | return 1; |
---|
742 | } |
---|
743 | |
---|
744 | /*************************************** |
---|
745 | * |
---|
746 | * bitblt (cpu-to-video) |
---|
747 | * |
---|
748 | ***************************************/ |
---|
749 | |
---|
750 | static void cirrus_bitblt_cputovideo_next(CirrusVGAState * s) |
---|
751 | { |
---|
752 | int copy_count; |
---|
753 | uint8_t *end_ptr; |
---|
754 | |
---|
755 | if (s->cirrus_srccounter > 0) { |
---|
756 | if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) { |
---|
757 | cirrus_bitblt_common_patterncopy(s, s->cirrus_bltbuf); |
---|
758 | the_end: |
---|
759 | s->cirrus_srccounter = 0; |
---|
760 | cirrus_bitblt_reset(s); |
---|
761 | } else { |
---|
762 | /* at least one scan line */ |
---|
763 | do { |
---|
764 | (*s->cirrus_rop)(s, s->vram_ptr + s->cirrus_blt_dstaddr, |
---|
765 | s->cirrus_bltbuf, 0, 0, s->cirrus_blt_width, 1); |
---|
766 | cirrus_invalidate_region(s, s->cirrus_blt_dstaddr, 0, |
---|
767 | s->cirrus_blt_width, 1); |
---|
768 | s->cirrus_blt_dstaddr += s->cirrus_blt_dstpitch; |
---|
769 | s->cirrus_srccounter -= s->cirrus_blt_srcpitch; |
---|
770 | if (s->cirrus_srccounter <= 0) |
---|
771 | goto the_end; |
---|
772 | /* more bytes than needed can be transfered because of |
---|
773 | word alignment, so we keep them for the next line */ |
---|
774 | /* XXX: keep alignment to speed up transfer */ |
---|
775 | end_ptr = s->cirrus_bltbuf + s->cirrus_blt_srcpitch; |
---|
776 | copy_count = s->cirrus_srcptr_end - end_ptr; |
---|
777 | memmove(s->cirrus_bltbuf, end_ptr, copy_count); |
---|
778 | s->cirrus_srcptr = s->cirrus_bltbuf + copy_count; |
---|
779 | s->cirrus_srcptr_end = s->cirrus_bltbuf + s->cirrus_blt_srcpitch; |
---|
780 | } while (s->cirrus_srcptr >= s->cirrus_srcptr_end); |
---|
781 | } |
---|
782 | } |
---|
783 | } |
---|
784 | |
---|
785 | /*************************************** |
---|
786 | * |
---|
787 | * bitblt wrapper |
---|
788 | * |
---|
789 | ***************************************/ |
---|
790 | |
---|
791 | static void cirrus_bitblt_reset(CirrusVGAState * s) |
---|
792 | { |
---|
793 | s->gr[0x31] &= |
---|
794 | ~(CIRRUS_BLT_START | CIRRUS_BLT_BUSY | CIRRUS_BLT_FIFOUSED); |
---|
795 | s->cirrus_srcptr = &s->cirrus_bltbuf[0]; |
---|
796 | s->cirrus_srcptr_end = &s->cirrus_bltbuf[0]; |
---|
797 | s->cirrus_srccounter = 0; |
---|
798 | cirrus_update_memory_access(s); |
---|
799 | } |
---|
800 | |
---|
801 | static int cirrus_bitblt_cputovideo(CirrusVGAState * s) |
---|
802 | { |
---|
803 | int w; |
---|
804 | |
---|
805 | s->cirrus_blt_mode &= ~CIRRUS_BLTMODE_MEMSYSSRC; |
---|
806 | s->cirrus_srcptr = &s->cirrus_bltbuf[0]; |
---|
807 | s->cirrus_srcptr_end = &s->cirrus_bltbuf[0]; |
---|
808 | |
---|
809 | if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) { |
---|
810 | if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) { |
---|
811 | s->cirrus_blt_srcpitch = 8; |
---|
812 | } else { |
---|
813 | /* XXX: check for 24 bpp */ |
---|
814 | s->cirrus_blt_srcpitch = 8 * 8 * s->cirrus_blt_pixelwidth; |
---|
815 | } |
---|
816 | s->cirrus_srccounter = s->cirrus_blt_srcpitch; |
---|
817 | } else { |
---|
818 | if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) { |
---|
819 | w = s->cirrus_blt_width / s->cirrus_blt_pixelwidth; |
---|
820 | if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_DWORDGRANULARITY) |
---|
821 | s->cirrus_blt_srcpitch = ((w + 31) >> 5); |
---|
822 | else |
---|
823 | s->cirrus_blt_srcpitch = ((w + 7) >> 3); |
---|
824 | } else { |
---|
825 | /* always align input size to 32 bits */ |
---|
826 | s->cirrus_blt_srcpitch = (s->cirrus_blt_width + 3) & ~3; |
---|
827 | } |
---|
828 | s->cirrus_srccounter = s->cirrus_blt_srcpitch * s->cirrus_blt_height; |
---|
829 | } |
---|
830 | s->cirrus_srcptr = s->cirrus_bltbuf; |
---|
831 | s->cirrus_srcptr_end = s->cirrus_bltbuf + s->cirrus_blt_srcpitch; |
---|
832 | cirrus_update_memory_access(s); |
---|
833 | return 1; |
---|
834 | } |
---|
835 | |
---|
836 | static int cirrus_bitblt_videotocpu(CirrusVGAState * s) |
---|
837 | { |
---|
838 | /* XXX */ |
---|
839 | #ifdef DEBUG_BITBLT |
---|
840 | printf("cirrus: bitblt (video to cpu) is not implemented yet\n"); |
---|
841 | #endif |
---|
842 | return 0; |
---|
843 | } |
---|
844 | |
---|
845 | static int cirrus_bitblt_videotovideo(CirrusVGAState * s) |
---|
846 | { |
---|
847 | int ret; |
---|
848 | |
---|
849 | if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) { |
---|
850 | ret = cirrus_bitblt_videotovideo_patterncopy(s); |
---|
851 | } else { |
---|
852 | ret = cirrus_bitblt_videotovideo_copy(s); |
---|
853 | } |
---|
854 | if (ret) |
---|
855 | cirrus_bitblt_reset(s); |
---|
856 | return ret; |
---|
857 | } |
---|
858 | |
---|
859 | static void cirrus_bitblt_start(CirrusVGAState * s) |
---|
860 | { |
---|
861 | uint8_t blt_rop; |
---|
862 | |
---|
863 | s->gr[0x31] |= CIRRUS_BLT_BUSY; |
---|
864 | |
---|
865 | s->cirrus_blt_width = (s->gr[0x20] | (s->gr[0x21] << 8)) + 1; |
---|
866 | s->cirrus_blt_height = (s->gr[0x22] | (s->gr[0x23] << 8)) + 1; |
---|
867 | s->cirrus_blt_dstpitch = (s->gr[0x24] | (s->gr[0x25] << 8)); |
---|
868 | s->cirrus_blt_srcpitch = (s->gr[0x26] | (s->gr[0x27] << 8)); |
---|
869 | s->cirrus_blt_dstaddr = |
---|
870 | (s->gr[0x28] | (s->gr[0x29] << 8) | (s->gr[0x2a] << 16)); |
---|
871 | s->cirrus_blt_srcaddr = |
---|
872 | (s->gr[0x2c] | (s->gr[0x2d] << 8) | (s->gr[0x2e] << 16)); |
---|
873 | s->cirrus_blt_mode = s->gr[0x30]; |
---|
874 | s->cirrus_blt_modeext = s->gr[0x33]; |
---|
875 | blt_rop = s->gr[0x32]; |
---|
876 | |
---|
877 | #ifdef DEBUG_BITBLT |
---|
878 | printf("rop=0x%02x mode=0x%02x modeext=0x%02x w=%d h=%d dpitch=%d spitch=%d daddr=0x%08x saddr=0x%08x writemask=0x%02x\n", |
---|
879 | blt_rop, |
---|
880 | s->cirrus_blt_mode, |
---|
881 | s->cirrus_blt_modeext, |
---|
882 | s->cirrus_blt_width, |
---|
883 | s->cirrus_blt_height, |
---|
884 | s->cirrus_blt_dstpitch, |
---|
885 | s->cirrus_blt_srcpitch, |
---|
886 | s->cirrus_blt_dstaddr, |
---|
887 | s->cirrus_blt_srcaddr, |
---|
888 | s->gr[0x2f]); |
---|
889 | #endif |
---|
890 | |
---|
891 | switch (s->cirrus_blt_mode & CIRRUS_BLTMODE_PIXELWIDTHMASK) { |
---|
892 | case CIRRUS_BLTMODE_PIXELWIDTH8: |
---|
893 | s->cirrus_blt_pixelwidth = 1; |
---|
894 | break; |
---|
895 | case CIRRUS_BLTMODE_PIXELWIDTH16: |
---|
896 | s->cirrus_blt_pixelwidth = 2; |
---|
897 | break; |
---|
898 | case CIRRUS_BLTMODE_PIXELWIDTH24: |
---|
899 | s->cirrus_blt_pixelwidth = 3; |
---|
900 | break; |
---|
901 | case CIRRUS_BLTMODE_PIXELWIDTH32: |
---|
902 | s->cirrus_blt_pixelwidth = 4; |
---|
903 | break; |
---|
904 | default: |
---|
905 | #ifdef DEBUG_BITBLT |
---|
906 | printf("cirrus: bitblt - pixel width is unknown\n"); |
---|
907 | #endif |
---|
908 | goto bitblt_ignore; |
---|
909 | } |
---|
910 | s->cirrus_blt_mode &= ~CIRRUS_BLTMODE_PIXELWIDTHMASK; |
---|
911 | |
---|
912 | if ((s-> |
---|
913 | cirrus_blt_mode & (CIRRUS_BLTMODE_MEMSYSSRC | |
---|
914 | CIRRUS_BLTMODE_MEMSYSDEST)) |
---|
915 | == (CIRRUS_BLTMODE_MEMSYSSRC | CIRRUS_BLTMODE_MEMSYSDEST)) { |
---|
916 | #ifdef DEBUG_BITBLT |
---|
917 | printf("cirrus: bitblt - memory-to-memory copy is requested\n"); |
---|
918 | #endif |
---|
919 | goto bitblt_ignore; |
---|
920 | } |
---|
921 | |
---|
922 | if ((s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_SOLIDFILL) && |
---|
923 | (s->cirrus_blt_mode & (CIRRUS_BLTMODE_MEMSYSDEST | |
---|
924 | CIRRUS_BLTMODE_TRANSPARENTCOMP | |
---|
925 | CIRRUS_BLTMODE_PATTERNCOPY | |
---|
926 | CIRRUS_BLTMODE_COLOREXPAND)) == |
---|
927 | (CIRRUS_BLTMODE_PATTERNCOPY | CIRRUS_BLTMODE_COLOREXPAND)) { |
---|
928 | cirrus_bitblt_fgcol(s); |
---|
929 | cirrus_bitblt_solidfill(s, blt_rop); |
---|
930 | } else { |
---|
931 | if ((s->cirrus_blt_mode & (CIRRUS_BLTMODE_COLOREXPAND | |
---|
932 | CIRRUS_BLTMODE_PATTERNCOPY)) == |
---|
933 | CIRRUS_BLTMODE_COLOREXPAND) { |
---|
934 | |
---|
935 | if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) { |
---|
936 | if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) |
---|
937 | cirrus_bitblt_bgcol(s); |
---|
938 | else |
---|
939 | cirrus_bitblt_fgcol(s); |
---|
940 | s->cirrus_rop = cirrus_colorexpand_transp[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; |
---|
941 | } else { |
---|
942 | cirrus_bitblt_fgcol(s); |
---|
943 | cirrus_bitblt_bgcol(s); |
---|
944 | s->cirrus_rop = cirrus_colorexpand[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; |
---|
945 | } |
---|
946 | } else if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) { |
---|
947 | if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) { |
---|
948 | if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) { |
---|
949 | if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) |
---|
950 | cirrus_bitblt_bgcol(s); |
---|
951 | else |
---|
952 | cirrus_bitblt_fgcol(s); |
---|
953 | s->cirrus_rop = cirrus_colorexpand_pattern_transp[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; |
---|
954 | } else { |
---|
955 | cirrus_bitblt_fgcol(s); |
---|
956 | cirrus_bitblt_bgcol(s); |
---|
957 | s->cirrus_rop = cirrus_colorexpand_pattern[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; |
---|
958 | } |
---|
959 | } else { |
---|
960 | s->cirrus_rop = cirrus_patternfill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; |
---|
961 | } |
---|
962 | } else { |
---|
963 | if (s->cirrus_blt_mode & CIRRUS_BLTMODE_BACKWARDS) { |
---|
964 | s->cirrus_blt_dstpitch = -s->cirrus_blt_dstpitch; |
---|
965 | s->cirrus_blt_srcpitch = -s->cirrus_blt_srcpitch; |
---|
966 | s->cirrus_rop = cirrus_bkwd_rop[rop_to_index[blt_rop]]; |
---|
967 | } else { |
---|
968 | s->cirrus_rop = cirrus_fwd_rop[rop_to_index[blt_rop]]; |
---|
969 | } |
---|
970 | } |
---|
971 | |
---|
972 | // setup bitblt engine. |
---|
973 | if (s->cirrus_blt_mode & CIRRUS_BLTMODE_MEMSYSSRC) { |
---|
974 | if (!cirrus_bitblt_cputovideo(s)) |
---|
975 | goto bitblt_ignore; |
---|
976 | } else if (s->cirrus_blt_mode & CIRRUS_BLTMODE_MEMSYSDEST) { |
---|
977 | if (!cirrus_bitblt_videotocpu(s)) |
---|
978 | goto bitblt_ignore; |
---|
979 | } else { |
---|
980 | if (!cirrus_bitblt_videotovideo(s)) |
---|
981 | goto bitblt_ignore; |
---|
982 | } |
---|
983 | } |
---|
984 | return; |
---|
985 | bitblt_ignore:; |
---|
986 | cirrus_bitblt_reset(s); |
---|
987 | } |
---|
988 | |
---|
989 | static void cirrus_write_bitblt(CirrusVGAState * s, unsigned reg_value) |
---|
990 | { |
---|
991 | unsigned old_value; |
---|
992 | |
---|
993 | old_value = s->gr[0x31]; |
---|
994 | s->gr[0x31] = reg_value; |
---|
995 | |
---|
996 | if (((old_value & CIRRUS_BLT_RESET) != 0) && |
---|
997 | ((reg_value & CIRRUS_BLT_RESET) == 0)) { |
---|
998 | cirrus_bitblt_reset(s); |
---|
999 | } else if (((old_value & CIRRUS_BLT_START) == 0) && |
---|
1000 | ((reg_value & CIRRUS_BLT_START) != 0)) { |
---|
1001 | cirrus_bitblt_start(s); |
---|
1002 | } |
---|
1003 | } |
---|
1004 | |
---|
1005 | |
---|
1006 | /*************************************** |
---|
1007 | * |
---|
1008 | * basic parameters |
---|
1009 | * |
---|
1010 | ***************************************/ |
---|
1011 | |
---|
1012 | static void cirrus_get_offsets(VGAState *s1, |
---|
1013 | uint32_t *pline_offset, |
---|
1014 | uint32_t *pstart_addr) |
---|
1015 | { |
---|
1016 | CirrusVGAState * s = (CirrusVGAState *)s1; |
---|
1017 | uint32_t start_addr; |
---|
1018 | uint32_t line_offset; |
---|
1019 | |
---|
1020 | line_offset = s->cr[0x13] |
---|
1021 | | ((s->cr[0x1b] & 0x10) << 4); |
---|
1022 | line_offset <<= 3; |
---|
1023 | *pline_offset = line_offset; |
---|
1024 | |
---|
1025 | start_addr = (s->cr[0x0c] << 8) |
---|
1026 | | s->cr[0x0d] |
---|
1027 | | ((s->cr[0x1b] & 0x01) << 16) |
---|
1028 | | ((s->cr[0x1b] & 0x0c) << 15) |
---|
1029 | | ((s->cr[0x1d] & 0x80) << 12); |
---|
1030 | *pstart_addr = start_addr; |
---|
1031 | } |
---|
1032 | |
---|
1033 | static uint32_t cirrus_get_bpp16_depth(CirrusVGAState * s) |
---|
1034 | { |
---|
1035 | uint32_t ret = 16; |
---|
1036 | |
---|
1037 | switch (s->cirrus_hidden_dac_data & 0xf) { |
---|
1038 | case 0: |
---|
1039 | ret = 15; |
---|
1040 | break; /* Sierra HiColor */ |
---|
1041 | case 1: |
---|
1042 | ret = 16; |
---|
1043 | break; /* XGA HiColor */ |
---|
1044 | default: |
---|
1045 | #ifdef DEBUG_CIRRUS |
---|
1046 | printf("cirrus: invalid DAC value %x in 16bpp\n", |
---|
1047 | (s->cirrus_hidden_dac_data & 0xf)); |
---|
1048 | #endif |
---|
1049 | ret = 15; /* XXX */ |
---|
1050 | break; |
---|
1051 | } |
---|
1052 | return ret; |
---|
1053 | } |
---|
1054 | |
---|
1055 | static int cirrus_get_bpp(VGAState *s1) |
---|
1056 | { |
---|
1057 | CirrusVGAState * s = (CirrusVGAState *)s1; |
---|
1058 | uint32_t ret = 8; |
---|
1059 | |
---|
1060 | if ((s->sr[0x07] & 0x01) != 0) { |
---|
1061 | /* Cirrus SVGA */ |
---|
1062 | switch (s->sr[0x07] & CIRRUS_SR7_BPP_MASK) { |
---|
1063 | case CIRRUS_SR7_BPP_8: |
---|
1064 | ret = 8; |
---|
1065 | break; |
---|
1066 | case CIRRUS_SR7_BPP_16_DOUBLEVCLK: |
---|
1067 | ret = cirrus_get_bpp16_depth(s); |
---|
1068 | break; |
---|
1069 | case CIRRUS_SR7_BPP_24: |
---|
1070 | ret = 24; |
---|
1071 | break; |
---|
1072 | case CIRRUS_SR7_BPP_16: |
---|
1073 | ret = cirrus_get_bpp16_depth(s); |
---|
1074 | break; |
---|
1075 | case CIRRUS_SR7_BPP_32: |
---|
1076 | ret = 32; |
---|
1077 | break; |
---|
1078 | default: |
---|
1079 | #ifdef DEBUG_CIRRUS |
---|
1080 | printf("cirrus: unknown bpp - sr7=%x\n", s->sr[0x7]); |
---|
1081 | #endif |
---|
1082 | ret = 8; |
---|
1083 | break; |
---|
1084 | } |
---|
1085 | } else { |
---|
1086 | /* VGA */ |
---|
1087 | ret = 0; |
---|
1088 | } |
---|
1089 | |
---|
1090 | return ret; |
---|
1091 | } |
---|
1092 | |
---|
1093 | static void cirrus_get_resolution(VGAState *s, int *pwidth, int *pheight) |
---|
1094 | { |
---|
1095 | int width, height; |
---|
1096 | |
---|
1097 | width = (s->cr[0x01] + 1) * 8; |
---|
1098 | height = s->cr[0x12] | |
---|
1099 | ((s->cr[0x07] & 0x02) << 7) | |
---|
1100 | ((s->cr[0x07] & 0x40) << 3); |
---|
1101 | height = (height + 1); |
---|
1102 | /* interlace support */ |
---|
1103 | if (s->cr[0x1a] & 0x01) |
---|
1104 | height = height * 2; |
---|
1105 | *pwidth = width; |
---|
1106 | *pheight = height; |
---|
1107 | } |
---|
1108 | |
---|
1109 | /*************************************** |
---|
1110 | * |
---|
1111 | * bank memory |
---|
1112 | * |
---|
1113 | ***************************************/ |
---|
1114 | |
---|
1115 | static void cirrus_update_bank_ptr(CirrusVGAState * s, unsigned bank_index) |
---|
1116 | { |
---|
1117 | unsigned offset; |
---|
1118 | unsigned limit; |
---|
1119 | |
---|
1120 | if ((s->gr[0x0b] & 0x01) != 0) /* dual bank */ |
---|
1121 | offset = s->gr[0x09 + bank_index]; |
---|
1122 | else /* single bank */ |
---|
1123 | offset = s->gr[0x09]; |
---|
1124 | |
---|
1125 | if ((s->gr[0x0b] & 0x20) != 0) |
---|
1126 | offset <<= 14; |
---|
1127 | else |
---|
1128 | offset <<= 12; |
---|
1129 | |
---|
1130 | if (s->real_vram_size <= offset) |
---|
1131 | limit = 0; |
---|
1132 | else |
---|
1133 | limit = s->real_vram_size - offset; |
---|
1134 | |
---|
1135 | if (((s->gr[0x0b] & 0x01) == 0) && (bank_index != 0)) { |
---|
1136 | if (limit > 0x8000) { |
---|
1137 | offset += 0x8000; |
---|
1138 | limit -= 0x8000; |
---|
1139 | } else { |
---|
1140 | limit = 0; |
---|
1141 | } |
---|
1142 | } |
---|
1143 | |
---|
1144 | if (limit > 0) { |
---|
1145 | s->cirrus_bank_base[bank_index] = offset; |
---|
1146 | s->cirrus_bank_limit[bank_index] = limit; |
---|
1147 | } else { |
---|
1148 | s->cirrus_bank_base[bank_index] = 0; |
---|
1149 | s->cirrus_bank_limit[bank_index] = 0; |
---|
1150 | } |
---|
1151 | } |
---|
1152 | |
---|
1153 | /*************************************** |
---|
1154 | * |
---|
1155 | * I/O access between 0x3c4-0x3c5 |
---|
1156 | * |
---|
1157 | ***************************************/ |
---|
1158 | |
---|
1159 | static int |
---|
1160 | cirrus_hook_read_sr(CirrusVGAState * s, unsigned reg_index, int *reg_value) |
---|
1161 | { |
---|
1162 | switch (reg_index) { |
---|
1163 | case 0x00: // Standard VGA |
---|
1164 | case 0x01: // Standard VGA |
---|
1165 | case 0x02: // Standard VGA |
---|
1166 | case 0x03: // Standard VGA |
---|
1167 | case 0x04: // Standard VGA |
---|
1168 | return CIRRUS_HOOK_NOT_HANDLED; |
---|
1169 | case 0x06: // Unlock Cirrus extensions |
---|
1170 | *reg_value = s->sr[reg_index]; |
---|
1171 | break; |
---|
1172 | case 0x10: |
---|
1173 | case 0x30: |
---|
1174 | case 0x50: |
---|
1175 | case 0x70: // Graphics Cursor X |
---|
1176 | case 0x90: |
---|
1177 | case 0xb0: |
---|
1178 | case 0xd0: |
---|
1179 | case 0xf0: // Graphics Cursor X |
---|
1180 | *reg_value = s->sr[0x10]; |
---|
1181 | break; |
---|
1182 | case 0x11: |
---|
1183 | case 0x31: |
---|
1184 | case 0x51: |
---|
1185 | case 0x71: // Graphics Cursor Y |
---|
1186 | case 0x91: |
---|
1187 | case 0xb1: |
---|
1188 | case 0xd1: |
---|
1189 | case 0xf1: // Graphics Cursor Y |
---|
1190 | *reg_value = s->sr[0x11]; |
---|
1191 | break; |
---|
1192 | case 0x05: // ??? |
---|
1193 | case 0x07: // Extended Sequencer Mode |
---|
1194 | case 0x08: // EEPROM Control |
---|
1195 | case 0x09: // Scratch Register 0 |
---|
1196 | case 0x0a: // Scratch Register 1 |
---|
1197 | case 0x0b: // VCLK 0 |
---|
1198 | case 0x0c: // VCLK 1 |
---|
1199 | case 0x0d: // VCLK 2 |
---|
1200 | case 0x0e: // VCLK 3 |
---|
1201 | case 0x0f: // DRAM Control |
---|
1202 | case 0x12: // Graphics Cursor Attribute |
---|
1203 | case 0x13: // Graphics Cursor Pattern Address |
---|
1204 | case 0x14: // Scratch Register 2 |
---|
1205 | case 0x15: // Scratch Register 3 |
---|
1206 | case 0x16: // Performance Tuning Register |
---|
1207 | case 0x17: // Configuration Readback and Extended Control |
---|
1208 | case 0x18: // Signature Generator Control |
---|
1209 | case 0x19: // Signal Generator Result |
---|
1210 | case 0x1a: // Signal Generator Result |
---|
1211 | case 0x1b: // VCLK 0 Denominator & Post |
---|
1212 | case 0x1c: // VCLK 1 Denominator & Post |
---|
1213 | case 0x1d: // VCLK 2 Denominator & Post |
---|
1214 | case 0x1e: // VCLK 3 Denominator & Post |
---|
1215 | case 0x1f: // BIOS Write Enable and MCLK select |
---|
1216 | #ifdef DEBUG_CIRRUS |
---|
1217 | printf("cirrus: handled inport sr_index %02x\n", reg_index); |
---|
1218 | #endif |
---|
1219 | *reg_value = s->sr[reg_index]; |
---|
1220 | break; |
---|
1221 | default: |
---|
1222 | #ifdef DEBUG_CIRRUS |
---|
1223 | printf("cirrus: inport sr_index %02x\n", reg_index); |
---|
1224 | #endif |
---|
1225 | *reg_value = 0xff; |
---|
1226 | break; |
---|
1227 | } |
---|
1228 | |
---|
1229 | return CIRRUS_HOOK_HANDLED; |
---|
1230 | } |
---|
1231 | |
---|
1232 | static int |
---|
1233 | cirrus_hook_write_sr(CirrusVGAState * s, unsigned reg_index, int reg_value) |
---|
1234 | { |
---|
1235 | switch (reg_index) { |
---|
1236 | case 0x00: // Standard VGA |
---|
1237 | case 0x01: // Standard VGA |
---|
1238 | case 0x02: // Standard VGA |
---|
1239 | case 0x03: // Standard VGA |
---|
1240 | case 0x04: // Standard VGA |
---|
1241 | return CIRRUS_HOOK_NOT_HANDLED; |
---|
1242 | case 0x06: // Unlock Cirrus extensions |
---|
1243 | reg_value &= 0x17; |
---|
1244 | if (reg_value == 0x12) { |
---|
1245 | s->sr[reg_index] = 0x12; |
---|
1246 | } else { |
---|
1247 | s->sr[reg_index] = 0x0f; |
---|
1248 | } |
---|
1249 | break; |
---|
1250 | case 0x10: |
---|
1251 | case 0x30: |
---|
1252 | case 0x50: |
---|
1253 | case 0x70: // Graphics Cursor X |
---|
1254 | case 0x90: |
---|
1255 | case 0xb0: |
---|
1256 | case 0xd0: |
---|
1257 | case 0xf0: // Graphics Cursor X |
---|
1258 | s->sr[0x10] = reg_value; |
---|
1259 | s->hw_cursor_x = (reg_value << 3) | (reg_index >> 5); |
---|
1260 | break; |
---|
1261 | case 0x11: |
---|
1262 | case 0x31: |
---|
1263 | case 0x51: |
---|
1264 | case 0x71: // Graphics Cursor Y |
---|
1265 | case 0x91: |
---|
1266 | case 0xb1: |
---|
1267 | case 0xd1: |
---|
1268 | case 0xf1: // Graphics Cursor Y |
---|
1269 | s->sr[0x11] = reg_value; |
---|
1270 | s->hw_cursor_y = (reg_value << 3) | (reg_index >> 5); |
---|
1271 | break; |
---|
1272 | case 0x07: // Extended Sequencer Mode |
---|
1273 | case 0x08: // EEPROM Control |
---|
1274 | case 0x09: // Scratch Register 0 |
---|
1275 | case 0x0a: // Scratch Register 1 |
---|
1276 | case 0x0b: // VCLK 0 |
---|
1277 | case 0x0c: // VCLK 1 |
---|
1278 | case 0x0d: // VCLK 2 |
---|
1279 | case 0x0e: // VCLK 3 |
---|
1280 | case 0x0f: // DRAM Control |
---|
1281 | case 0x12: // Graphics Cursor Attribute |
---|
1282 | case 0x13: // Graphics Cursor Pattern Address |
---|
1283 | case 0x14: // Scratch Register 2 |
---|
1284 | case 0x15: // Scratch Register 3 |
---|
1285 | case 0x16: // Performance Tuning Register |
---|
1286 | case 0x18: // Signature Generator Control |
---|
1287 | case 0x19: // Signature Generator Result |
---|
1288 | case 0x1a: // Signature Generator Result |
---|
1289 | case 0x1b: // VCLK 0 Denominator & Post |
---|
1290 | case 0x1c: // VCLK 1 Denominator & Post |
---|
1291 | case 0x1d: // VCLK 2 Denominator & Post |
---|
1292 | case 0x1e: // VCLK 3 Denominator & Post |
---|
1293 | case 0x1f: // BIOS Write Enable and MCLK select |
---|
1294 | s->sr[reg_index] = reg_value; |
---|
1295 | #ifdef DEBUG_CIRRUS |
---|
1296 | printf("cirrus: handled outport sr_index %02x, sr_value %02x\n", |
---|
1297 | reg_index, reg_value); |
---|
1298 | #endif |
---|
1299 | break; |
---|
1300 | case 0x17: // Configuration Readback and Extended Control |
---|
1301 | s->sr[reg_index] = (s->sr[reg_index] & 0x38) | (reg_value & 0xc7); |
---|
1302 | cirrus_update_memory_access(s); |
---|
1303 | break; |
---|
1304 | default: |
---|
1305 | #ifdef DEBUG_CIRRUS |
---|
1306 | printf("cirrus: outport sr_index %02x, sr_value %02x\n", reg_index, |
---|
1307 | reg_value); |
---|
1308 | #endif |
---|
1309 | break; |
---|
1310 | } |
---|
1311 | |
---|
1312 | return CIRRUS_HOOK_HANDLED; |
---|
1313 | } |
---|
1314 | |
---|
1315 | /*************************************** |
---|
1316 | * |
---|
1317 | * I/O access at 0x3c6 |
---|
1318 | * |
---|
1319 | ***************************************/ |
---|
1320 | |
---|
1321 | static void cirrus_read_hidden_dac(CirrusVGAState * s, int *reg_value) |
---|
1322 | { |
---|
1323 | *reg_value = 0xff; |
---|
1324 | if (++s->cirrus_hidden_dac_lockindex == 5) { |
---|
1325 | *reg_value = s->cirrus_hidden_dac_data; |
---|
1326 | s->cirrus_hidden_dac_lockindex = 0; |
---|
1327 | } |
---|
1328 | } |
---|
1329 | |
---|
1330 | static void cirrus_write_hidden_dac(CirrusVGAState * s, int reg_value) |
---|
1331 | { |
---|
1332 | if (s->cirrus_hidden_dac_lockindex == 4) { |
---|
1333 | s->cirrus_hidden_dac_data = reg_value; |
---|
1334 | #if defined(DEBUG_CIRRUS) |
---|
1335 | printf("cirrus: outport hidden DAC, value %02x\n", reg_value); |
---|
1336 | #endif |
---|
1337 | } |
---|
1338 | s->cirrus_hidden_dac_lockindex = 0; |
---|
1339 | } |
---|
1340 | |
---|
1341 | /*************************************** |
---|
1342 | * |
---|
1343 | * I/O access at 0x3c9 |
---|
1344 | * |
---|
1345 | ***************************************/ |
---|
1346 | |
---|
1347 | static int cirrus_hook_read_palette(CirrusVGAState * s, int *reg_value) |
---|
1348 | { |
---|
1349 | if (!(s->sr[0x12] & CIRRUS_CURSOR_HIDDENPEL)) |
---|
1350 | return CIRRUS_HOOK_NOT_HANDLED; |
---|
1351 | *reg_value = |
---|
1352 | s->cirrus_hidden_palette[(s->dac_read_index & 0x0f) * 3 + |
---|
1353 | s->dac_sub_index]; |
---|
1354 | if (++s->dac_sub_index == 3) { |
---|
1355 | s->dac_sub_index = 0; |
---|
1356 | s->dac_read_index++; |
---|
1357 | } |
---|
1358 | return CIRRUS_HOOK_HANDLED; |
---|
1359 | } |
---|
1360 | |
---|
1361 | static int cirrus_hook_write_palette(CirrusVGAState * s, int reg_value) |
---|
1362 | { |
---|
1363 | if (!(s->sr[0x12] & CIRRUS_CURSOR_HIDDENPEL)) |
---|
1364 | return CIRRUS_HOOK_NOT_HANDLED; |
---|
1365 | s->dac_cache[s->dac_sub_index] = reg_value; |
---|
1366 | if (++s->dac_sub_index == 3) { |
---|
1367 | memcpy(&s->cirrus_hidden_palette[(s->dac_write_index & 0x0f) * 3], |
---|
1368 | s->dac_cache, 3); |
---|
1369 | /* XXX update cursor */ |
---|
1370 | s->dac_sub_index = 0; |
---|
1371 | s->dac_write_index++; |
---|
1372 | } |
---|
1373 | return CIRRUS_HOOK_HANDLED; |
---|
1374 | } |
---|
1375 | |
---|
1376 | /*************************************** |
---|
1377 | * |
---|
1378 | * I/O access between 0x3ce-0x3cf |
---|
1379 | * |
---|
1380 | ***************************************/ |
---|
1381 | |
---|
1382 | static int |
---|
1383 | cirrus_hook_read_gr(CirrusVGAState * s, unsigned reg_index, int *reg_value) |
---|
1384 | { |
---|
1385 | switch (reg_index) { |
---|
1386 | case 0x00: // Standard VGA, BGCOLOR 0x000000ff |
---|
1387 | *reg_value = s->cirrus_shadow_gr0; |
---|
1388 | return CIRRUS_HOOK_HANDLED; |
---|
1389 | case 0x01: // Standard VGA, FGCOLOR 0x000000ff |
---|
1390 | *reg_value = s->cirrus_shadow_gr1; |
---|
1391 | return CIRRUS_HOOK_HANDLED; |
---|
1392 | case 0x02: // Standard VGA |
---|
1393 | case 0x03: // Standard VGA |
---|
1394 | case 0x04: // Standard VGA |
---|
1395 | case 0x06: // Standard VGA |
---|
1396 | case 0x07: // Standard VGA |
---|
1397 | case 0x08: // Standard VGA |
---|
1398 | return CIRRUS_HOOK_NOT_HANDLED; |
---|
1399 | case 0x05: // Standard VGA, Cirrus extended mode |
---|
1400 | default: |
---|
1401 | break; |
---|
1402 | } |
---|
1403 | |
---|
1404 | if (reg_index < 0x3a) { |
---|
1405 | *reg_value = s->gr[reg_index]; |
---|
1406 | } else { |
---|
1407 | #ifdef DEBUG_CIRRUS |
---|
1408 | printf("cirrus: inport gr_index %02x\n", reg_index); |
---|
1409 | #endif |
---|
1410 | *reg_value = 0xff; |
---|
1411 | } |
---|
1412 | |
---|
1413 | return CIRRUS_HOOK_HANDLED; |
---|
1414 | } |
---|
1415 | |
---|
1416 | static int |
---|
1417 | cirrus_hook_write_gr(CirrusVGAState * s, unsigned reg_index, int reg_value) |
---|
1418 | { |
---|
1419 | #if defined(DEBUG_BITBLT) && 0 |
---|
1420 | printf("gr%02x: %02x\n", reg_index, reg_value); |
---|
1421 | #endif |
---|
1422 | switch (reg_index) { |
---|
1423 | case 0x00: // Standard VGA, BGCOLOR 0x000000ff |
---|
1424 | s->cirrus_shadow_gr0 = reg_value; |
---|
1425 | return CIRRUS_HOOK_NOT_HANDLED; |
---|
1426 | case 0x01: // Standard VGA, FGCOLOR 0x000000ff |
---|
1427 | s->cirrus_shadow_gr1 = reg_value; |
---|
1428 | return CIRRUS_HOOK_NOT_HANDLED; |
---|
1429 | case 0x02: // Standard VGA |
---|
1430 | case 0x03: // Standard VGA |
---|
1431 | case 0x04: // Standard VGA |
---|
1432 | case 0x06: // Standard VGA |
---|
1433 | case 0x07: // Standard VGA |
---|
1434 | case 0x08: // Standard VGA |
---|
1435 | return CIRRUS_HOOK_NOT_HANDLED; |
---|
1436 | case 0x05: // Standard VGA, Cirrus extended mode |
---|
1437 | s->gr[reg_index] = reg_value & 0x7f; |
---|
1438 | cirrus_update_memory_access(s); |
---|
1439 | break; |
---|
1440 | case 0x09: // bank offset #0 |
---|
1441 | case 0x0A: // bank offset #1 |
---|
1442 | s->gr[reg_index] = reg_value; |
---|
1443 | cirrus_update_bank_ptr(s, 0); |
---|
1444 | cirrus_update_bank_ptr(s, 1); |
---|
1445 | break; |
---|
1446 | case 0x0B: |
---|
1447 | s->gr[reg_index] = reg_value; |
---|
1448 | cirrus_update_bank_ptr(s, 0); |
---|
1449 | cirrus_update_bank_ptr(s, 1); |
---|
1450 | cirrus_update_memory_access(s); |
---|
1451 | break; |
---|
1452 | case 0x10: // BGCOLOR 0x0000ff00 |
---|
1453 | case 0x11: // FGCOLOR 0x0000ff00 |
---|
1454 | case 0x12: // BGCOLOR 0x00ff0000 |
---|
1455 | case 0x13: // FGCOLOR 0x00ff0000 |
---|
1456 | case 0x14: // BGCOLOR 0xff000000 |
---|
1457 | case 0x15: // FGCOLOR 0xff000000 |
---|
1458 | case 0x20: // BLT WIDTH 0x0000ff |
---|
1459 | case 0x22: // BLT HEIGHT 0x0000ff |
---|
1460 | case 0x24: // BLT DEST PITCH 0x0000ff |
---|
1461 | case 0x26: // BLT SRC PITCH 0x0000ff |
---|
1462 | case 0x28: // BLT DEST ADDR 0x0000ff |
---|
1463 | case 0x29: // BLT DEST ADDR 0x00ff00 |
---|
1464 | case 0x2c: // BLT SRC ADDR 0x0000ff |
---|
1465 | case 0x2d: // BLT SRC ADDR 0x00ff00 |
---|
1466 | case 0x2f: // BLT WRITEMASK |
---|
1467 | case 0x30: // BLT MODE |
---|
1468 | case 0x32: // RASTER OP |
---|
1469 | case 0x33: // BLT MODEEXT |
---|
1470 | case 0x34: // BLT TRANSPARENT COLOR 0x00ff |
---|
1471 | case 0x35: // BLT TRANSPARENT COLOR 0xff00 |
---|
1472 | case 0x38: // BLT TRANSPARENT COLOR MASK 0x00ff |
---|
1473 | case 0x39: // BLT TRANSPARENT COLOR MASK 0xff00 |
---|
1474 | s->gr[reg_index] = reg_value; |
---|
1475 | break; |
---|
1476 | case 0x21: // BLT WIDTH 0x001f00 |
---|
1477 | case 0x23: // BLT HEIGHT 0x001f00 |
---|
1478 | case 0x25: // BLT DEST PITCH 0x001f00 |
---|
1479 | case 0x27: // BLT SRC PITCH 0x001f00 |
---|
1480 | s->gr[reg_index] = reg_value & 0x1f; |
---|
1481 | break; |
---|
1482 | case 0x2a: // BLT DEST ADDR 0x3f0000 |
---|
1483 | s->gr[reg_index] = reg_value & 0x3f; |
---|
1484 | /* if auto start mode, starts bit blt now */ |
---|
1485 | if (s->gr[0x31] & CIRRUS_BLT_AUTOSTART) { |
---|
1486 | cirrus_bitblt_start(s); |
---|
1487 | } |
---|
1488 | break; |
---|
1489 | case 0x2e: // BLT SRC ADDR 0x3f0000 |
---|
1490 | s->gr[reg_index] = reg_value & 0x3f; |
---|
1491 | break; |
---|
1492 | case 0x31: // BLT STATUS/START |
---|
1493 | cirrus_write_bitblt(s, reg_value); |
---|
1494 | break; |
---|
1495 | default: |
---|
1496 | #ifdef DEBUG_CIRRUS |
---|
1497 | printf("cirrus: outport gr_index %02x, gr_value %02x\n", reg_index, |
---|
1498 | reg_value); |
---|
1499 | #endif |
---|
1500 | break; |
---|
1501 | } |
---|
1502 | |
---|
1503 | return CIRRUS_HOOK_HANDLED; |
---|
1504 | } |
---|
1505 | |
---|
1506 | /*************************************** |
---|
1507 | * |
---|
1508 | * I/O access between 0x3d4-0x3d5 |
---|
1509 | * |
---|
1510 | ***************************************/ |
---|
1511 | |
---|
1512 | static int |
---|
1513 | cirrus_hook_read_cr(CirrusVGAState * s, unsigned reg_index, int *reg_value) |
---|
1514 | { |
---|
1515 | switch (reg_index) { |
---|
1516 | case 0x00: // Standard VGA |
---|
1517 | case 0x01: // Standard VGA |
---|
1518 | case 0x02: // Standard VGA |
---|
1519 | case 0x03: // Standard VGA |
---|
1520 | case 0x04: // Standard VGA |
---|
1521 | case 0x05: // Standard VGA |
---|
1522 | case 0x06: // Standard VGA |
---|
1523 | case 0x07: // Standard VGA |
---|
1524 | case 0x08: // Standard VGA |
---|
1525 | case 0x09: // Standard VGA |
---|
1526 | case 0x0a: // Standard VGA |
---|
1527 | case 0x0b: // Standard VGA |
---|
1528 | case 0x0c: // Standard VGA |
---|
1529 | case 0x0d: // Standard VGA |
---|
1530 | case 0x0e: // Standard VGA |
---|
1531 | case 0x0f: // Standard VGA |
---|
1532 | case 0x10: // Standard VGA |
---|
1533 | case 0x11: // Standard VGA |
---|
1534 | case 0x12: // Standard VGA |
---|
1535 | case 0x13: // Standard VGA |
---|
1536 | case 0x14: // Standard VGA |
---|
1537 | case 0x15: // Standard VGA |
---|
1538 | case 0x16: // Standard VGA |
---|
1539 | case 0x17: // Standard VGA |
---|
1540 | case 0x18: // Standard VGA |
---|
1541 | return CIRRUS_HOOK_NOT_HANDLED; |
---|
1542 | case 0x19: // Interlace End |
---|
1543 | case 0x1a: // Miscellaneous Control |
---|
1544 | case 0x1b: // Extended Display Control |
---|
1545 | case 0x1c: // Sync Adjust and Genlock |
---|
1546 | case 0x1d: // Overlay Extended Control |
---|
1547 | case 0x22: // Graphics Data Latches Readback (R) |
---|
1548 | case 0x24: // Attribute Controller Toggle Readback (R) |
---|
1549 | case 0x25: // Part Status |
---|
1550 | case 0x27: // Part ID (R) |
---|
1551 | *reg_value = s->cr[reg_index]; |
---|
1552 | break; |
---|
1553 | case 0x26: // Attribute Controller Index Readback (R) |
---|
1554 | *reg_value = s->ar_index & 0x3f; |
---|
1555 | break; |
---|
1556 | default: |
---|
1557 | #ifdef DEBUG_CIRRUS |
---|
1558 | printf("cirrus: inport cr_index %02x\n", reg_index); |
---|
1559 | *reg_value = 0xff; |
---|
1560 | #endif |
---|
1561 | break; |
---|
1562 | } |
---|
1563 | |
---|
1564 | return CIRRUS_HOOK_HANDLED; |
---|
1565 | } |
---|
1566 | |
---|
1567 | static int |
---|
1568 | cirrus_hook_write_cr(CirrusVGAState * s, unsigned reg_index, int reg_value) |
---|
1569 | { |
---|
1570 | switch (reg_index) { |
---|
1571 | case 0x00: // Standard VGA |
---|
1572 | case 0x01: // Standard VGA |
---|
1573 | case 0x02: // Standard VGA |
---|
1574 | case 0x03: // Standard VGA |
---|
1575 | case 0x04: // Standard VGA |
---|
1576 | case 0x05: // Standard VGA |
---|
1577 | case 0x06: // Standard VGA |
---|
1578 | case 0x07: // Standard VGA |
---|
1579 | case 0x08: // Standard VGA |
---|
1580 | case 0x09: // Standard VGA |
---|
1581 | case 0x0a: // Standard VGA |
---|
1582 | case 0x0b: // Standard VGA |
---|
1583 | case 0x0c: // Standard VGA |
---|
1584 | case 0x0d: // Standard VGA |
---|
1585 | case 0x0e: // Standard VGA |
---|
1586 | case 0x0f: // Standard VGA |
---|
1587 | case 0x10: // Standard VGA |
---|
1588 | case 0x11: // Standard VGA |
---|
1589 | case 0x12: // Standard VGA |
---|
1590 | case 0x13: // Standard VGA |
---|
1591 | case 0x14: // Standard VGA |
---|
1592 | case 0x15: // Standard VGA |
---|
1593 | case 0x16: // Standard VGA |
---|
1594 | case 0x17: // Standard VGA |
---|
1595 | case 0x18: // Standard VGA |
---|
1596 | return CIRRUS_HOOK_NOT_HANDLED; |
---|
1597 | case 0x19: // Interlace End |
---|
1598 | case 0x1a: // Miscellaneous Control |
---|
1599 | case 0x1b: // Extended Display Control |
---|
1600 | case 0x1c: // Sync Adjust and Genlock |
---|
1601 | case 0x1d: // Overlay Extended Control |
---|
1602 | s->cr[reg_index] = reg_value; |
---|
1603 | #ifdef DEBUG_CIRRUS |
---|
1604 | printf("cirrus: handled outport cr_index %02x, cr_value %02x\n", |
---|
1605 | reg_index, reg_value); |
---|
1606 | #endif |
---|
1607 | break; |
---|
1608 | case 0x22: // Graphics Data Latches Readback (R) |
---|
1609 | case 0x24: // Attribute Controller Toggle Readback (R) |
---|
1610 | case 0x26: // Attribute Controller Index Readback (R) |
---|
1611 | case 0x27: // Part ID (R) |
---|
1612 | break; |
---|
1613 | case 0x25: // Part Status |
---|
1614 | default: |
---|
1615 | #ifdef DEBUG_CIRRUS |
---|
1616 | printf("cirrus: outport cr_index %02x, cr_value %02x\n", reg_index, |
---|
1617 | reg_value); |
---|
1618 | #endif |
---|
1619 | break; |
---|
1620 | } |
---|
1621 | |
---|
1622 | return CIRRUS_HOOK_HANDLED; |
---|
1623 | } |
---|
1624 | |
---|
1625 | /*************************************** |
---|
1626 | * |
---|
1627 | * memory-mapped I/O (bitblt) |
---|
1628 | * |
---|
1629 | ***************************************/ |
---|
1630 | |
---|
1631 | static uint8_t cirrus_mmio_blt_read(CirrusVGAState * s, unsigned address) |
---|
1632 | { |
---|
1633 | int value = 0xff; |
---|
1634 | |
---|
1635 | switch (address) { |
---|
1636 | case (CIRRUS_MMIO_BLTBGCOLOR + 0): |
---|
1637 | cirrus_hook_read_gr(s, 0x00, &value); |
---|
1638 | break; |
---|
1639 | case (CIRRUS_MMIO_BLTBGCOLOR + 1): |
---|
1640 | cirrus_hook_read_gr(s, 0x10, &value); |
---|
1641 | break; |
---|
1642 | case (CIRRUS_MMIO_BLTBGCOLOR + 2): |
---|
1643 | cirrus_hook_read_gr(s, 0x12, &value); |
---|
1644 | break; |
---|
1645 | case (CIRRUS_MMIO_BLTBGCOLOR + 3): |
---|
1646 | cirrus_hook_read_gr(s, 0x14, &value); |
---|
1647 | break; |
---|
1648 | case (CIRRUS_MMIO_BLTFGCOLOR + 0): |
---|
1649 | cirrus_hook_read_gr(s, 0x01, &value); |
---|
1650 | break; |
---|
1651 | case (CIRRUS_MMIO_BLTFGCOLOR + 1): |
---|
1652 | cirrus_hook_read_gr(s, 0x11, &value); |
---|
1653 | break; |
---|
1654 | case (CIRRUS_MMIO_BLTFGCOLOR + 2): |
---|
1655 | cirrus_hook_read_gr(s, 0x13, &value); |
---|
1656 | break; |
---|
1657 | case (CIRRUS_MMIO_BLTFGCOLOR + 3): |
---|
1658 | cirrus_hook_read_gr(s, 0x15, &value); |
---|
1659 | break; |
---|
1660 | case (CIRRUS_MMIO_BLTWIDTH + 0): |
---|
1661 | cirrus_hook_read_gr(s, 0x20, &value); |
---|
1662 | break; |
---|
1663 | case (CIRRUS_MMIO_BLTWIDTH + 1): |
---|
1664 | cirrus_hook_read_gr(s, 0x21, &value); |
---|
1665 | break; |
---|
1666 | case (CIRRUS_MMIO_BLTHEIGHT + 0): |
---|
1667 | cirrus_hook_read_gr(s, 0x22, &value); |
---|
1668 | break; |
---|
1669 | case (CIRRUS_MMIO_BLTHEIGHT + 1): |
---|
1670 | cirrus_hook_read_gr(s, 0x23, &value); |
---|
1671 | break; |
---|
1672 | case (CIRRUS_MMIO_BLTDESTPITCH + 0): |
---|
1673 | cirrus_hook_read_gr(s, 0x24, &value); |
---|
1674 | break; |
---|
1675 | case (CIRRUS_MMIO_BLTDESTPITCH + 1): |
---|
1676 | cirrus_hook_read_gr(s, 0x25, &value); |
---|
1677 | break; |
---|
1678 | case (CIRRUS_MMIO_BLTSRCPITCH + 0): |
---|
1679 | cirrus_hook_read_gr(s, 0x26, &value); |
---|
1680 | break; |
---|
1681 | case (CIRRUS_MMIO_BLTSRCPITCH + 1): |
---|
1682 | cirrus_hook_read_gr(s, 0x27, &value); |
---|
1683 | break; |
---|
1684 | case (CIRRUS_MMIO_BLTDESTADDR + 0): |
---|
1685 | cirrus_hook_read_gr(s, 0x28, &value); |
---|
1686 | break; |
---|
1687 | case (CIRRUS_MMIO_BLTDESTADDR + 1): |
---|
1688 | cirrus_hook_read_gr(s, 0x29, &value); |
---|
1689 | break; |
---|
1690 | case (CIRRUS_MMIO_BLTDESTADDR + 2): |
---|
1691 | cirrus_hook_read_gr(s, 0x2a, &value); |
---|
1692 | break; |
---|
1693 | case (CIRRUS_MMIO_BLTSRCADDR + 0): |
---|
1694 | cirrus_hook_read_gr(s, 0x2c, &value); |
---|
1695 | break; |
---|
1696 | case (CIRRUS_MMIO_BLTSRCADDR + 1): |
---|
1697 | cirrus_hook_read_gr(s, 0x2d, &value); |
---|
1698 | break; |
---|
1699 | case (CIRRUS_MMIO_BLTSRCADDR + 2): |
---|
1700 | cirrus_hook_read_gr(s, 0x2e, &value); |
---|
1701 | break; |
---|
1702 | case CIRRUS_MMIO_BLTWRITEMASK: |
---|
1703 | cirrus_hook_read_gr(s, 0x2f, &value); |
---|
1704 | break; |
---|
1705 | case CIRRUS_MMIO_BLTMODE: |
---|
1706 | cirrus_hook_read_gr(s, 0x30, &value); |
---|
1707 | break; |
---|
1708 | case CIRRUS_MMIO_BLTROP: |
---|
1709 | cirrus_hook_read_gr(s, 0x32, &value); |
---|
1710 | break; |
---|
1711 | case CIRRUS_MMIO_BLTMODEEXT: |
---|
1712 | cirrus_hook_read_gr(s, 0x33, &value); |
---|
1713 | break; |
---|
1714 | case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 0): |
---|
1715 | cirrus_hook_read_gr(s, 0x34, &value); |
---|
1716 | break; |
---|
1717 | case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 1): |
---|
1718 | cirrus_hook_read_gr(s, 0x35, &value); |
---|
1719 | break; |
---|
1720 | case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 0): |
---|
1721 | cirrus_hook_read_gr(s, 0x38, &value); |
---|
1722 | break; |
---|
1723 | case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 1): |
---|
1724 | cirrus_hook_read_gr(s, 0x39, &value); |
---|
1725 | break; |
---|
1726 | case CIRRUS_MMIO_BLTSTATUS: |
---|
1727 | cirrus_hook_read_gr(s, 0x31, &value); |
---|
1728 | break; |
---|
1729 | default: |
---|
1730 | #ifdef DEBUG_CIRRUS |
---|
1731 | printf("cirrus: mmio read - address 0x%04x\n", address); |
---|
1732 | #endif |
---|
1733 | break; |
---|
1734 | } |
---|
1735 | |
---|
1736 | return (uint8_t) value; |
---|
1737 | } |
---|
1738 | |
---|
1739 | static void cirrus_mmio_blt_write(CirrusVGAState * s, unsigned address, |
---|
1740 | uint8_t value) |
---|
1741 | { |
---|
1742 | switch (address) { |
---|
1743 | case (CIRRUS_MMIO_BLTBGCOLOR + 0): |
---|
1744 | cirrus_hook_write_gr(s, 0x00, value); |
---|
1745 | break; |
---|
1746 | case (CIRRUS_MMIO_BLTBGCOLOR + 1): |
---|
1747 | cirrus_hook_write_gr(s, 0x10, value); |
---|
1748 | break; |
---|
1749 | case (CIRRUS_MMIO_BLTBGCOLOR + 2): |
---|
1750 | cirrus_hook_write_gr(s, 0x12, value); |
---|
1751 | break; |
---|
1752 | case (CIRRUS_MMIO_BLTBGCOLOR + 3): |
---|
1753 | cirrus_hook_write_gr(s, 0x14, value); |
---|
1754 | break; |
---|
1755 | case (CIRRUS_MMIO_BLTFGCOLOR + 0): |
---|
1756 | cirrus_hook_write_gr(s, 0x01, value); |
---|
1757 | break; |
---|
1758 | case (CIRRUS_MMIO_BLTFGCOLOR + 1): |
---|
1759 | cirrus_hook_write_gr(s, 0x11, value); |
---|
1760 | break; |
---|
1761 | case (CIRRUS_MMIO_BLTFGCOLOR + 2): |
---|
1762 | cirrus_hook_write_gr(s, 0x13, value); |
---|
1763 | break; |
---|
1764 | case (CIRRUS_MMIO_BLTFGCOLOR + 3): |
---|
1765 | cirrus_hook_write_gr(s, 0x15, value); |
---|
1766 | break; |
---|
1767 | case (CIRRUS_MMIO_BLTWIDTH + 0): |
---|
1768 | cirrus_hook_write_gr(s, 0x20, value); |
---|
1769 | break; |
---|
1770 | case (CIRRUS_MMIO_BLTWIDTH + 1): |
---|
1771 | cirrus_hook_write_gr(s, 0x21, value); |
---|
1772 | break; |
---|
1773 | case (CIRRUS_MMIO_BLTHEIGHT + 0): |
---|
1774 | cirrus_hook_write_gr(s, 0x22, value); |
---|
1775 | break; |
---|
1776 | case (CIRRUS_MMIO_BLTHEIGHT + 1): |
---|
1777 | cirrus_hook_write_gr(s, 0x23, value); |
---|
1778 | break; |
---|
1779 | case (CIRRUS_MMIO_BLTDESTPITCH + 0): |
---|
1780 | cirrus_hook_write_gr(s, 0x24, value); |
---|
1781 | break; |
---|
1782 | case (CIRRUS_MMIO_BLTDESTPITCH + 1): |
---|
1783 | cirrus_hook_write_gr(s, 0x25, value); |
---|
1784 | break; |
---|
1785 | case (CIRRUS_MMIO_BLTSRCPITCH + 0): |
---|
1786 | cirrus_hook_write_gr(s, 0x26, value); |
---|
1787 | break; |
---|
1788 | case (CIRRUS_MMIO_BLTSRCPITCH + 1): |
---|
1789 | cirrus_hook_write_gr(s, 0x27, value); |
---|
1790 | break; |
---|
1791 | case (CIRRUS_MMIO_BLTDESTADDR + 0): |
---|
1792 | cirrus_hook_write_gr(s, 0x28, value); |
---|
1793 | break; |
---|
1794 | case (CIRRUS_MMIO_BLTDESTADDR + 1): |
---|
1795 | cirrus_hook_write_gr(s, 0x29, value); |
---|
1796 | break; |
---|
1797 | case (CIRRUS_MMIO_BLTDESTADDR + 2): |
---|
1798 | cirrus_hook_write_gr(s, 0x2a, value); |
---|
1799 | break; |
---|
1800 | case (CIRRUS_MMIO_BLTDESTADDR + 3): |
---|
1801 | /* ignored */ |
---|
1802 | break; |
---|
1803 | case (CIRRUS_MMIO_BLTSRCADDR + 0): |
---|
1804 | cirrus_hook_write_gr(s, 0x2c, value); |
---|
1805 | break; |
---|
1806 | case (CIRRUS_MMIO_BLTSRCADDR + 1): |
---|
1807 | cirrus_hook_write_gr(s, 0x2d, value); |
---|
1808 | break; |
---|
1809 | case (CIRRUS_MMIO_BLTSRCADDR + 2): |
---|
1810 | cirrus_hook_write_gr(s, 0x2e, value); |
---|
1811 | break; |
---|
1812 | case CIRRUS_MMIO_BLTWRITEMASK: |
---|
1813 | cirrus_hook_write_gr(s, 0x2f, value); |
---|
1814 | break; |
---|
1815 | case CIRRUS_MMIO_BLTMODE: |
---|
1816 | cirrus_hook_write_gr(s, 0x30, value); |
---|
1817 | break; |
---|
1818 | case CIRRUS_MMIO_BLTROP: |
---|
1819 | cirrus_hook_write_gr(s, 0x32, value); |
---|
1820 | break; |
---|
1821 | case CIRRUS_MMIO_BLTMODEEXT: |
---|
1822 | cirrus_hook_write_gr(s, 0x33, value); |
---|
1823 | break; |
---|
1824 | case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 0): |
---|
1825 | cirrus_hook_write_gr(s, 0x34, value); |
---|
1826 | break; |
---|
1827 | case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 1): |
---|
1828 | cirrus_hook_write_gr(s, 0x35, value); |
---|
1829 | break; |
---|
1830 | case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 0): |
---|
1831 | cirrus_hook_write_gr(s, 0x38, value); |
---|
1832 | break; |
---|
1833 | case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 1): |
---|
1834 | cirrus_hook_write_gr(s, 0x39, value); |
---|
1835 | break; |
---|
1836 | case CIRRUS_MMIO_BLTSTATUS: |
---|
1837 | cirrus_hook_write_gr(s, 0x31, value); |
---|
1838 | break; |
---|
1839 | default: |
---|
1840 | #ifdef DEBUG_CIRRUS |
---|
1841 | printf("cirrus: mmio write - addr 0x%04x val 0x%02x (ignored)\n", |
---|
1842 | address, value); |
---|
1843 | #endif |
---|
1844 | break; |
---|
1845 | } |
---|
1846 | } |
---|
1847 | |
---|
1848 | /*************************************** |
---|
1849 | * |
---|
1850 | * write mode 4/5 |
---|
1851 | * |
---|
1852 | * assume TARGET_PAGE_SIZE >= 16 |
---|
1853 | * |
---|
1854 | ***************************************/ |
---|
1855 | |
---|
1856 | static void cirrus_mem_writeb_mode4and5_8bpp(CirrusVGAState * s, |
---|
1857 | unsigned mode, |
---|
1858 | unsigned offset, |
---|
1859 | uint32_t mem_value) |
---|
1860 | { |
---|
1861 | int x; |
---|
1862 | unsigned val = mem_value; |
---|
1863 | uint8_t *dst; |
---|
1864 | |
---|
1865 | dst = s->vram_ptr + offset; |
---|
1866 | for (x = 0; x < 8; x++) { |
---|
1867 | if (val & 0x80) { |
---|
1868 | *dst = s->cirrus_shadow_gr1; |
---|
1869 | } else if (mode == 5) { |
---|
1870 | *dst = s->cirrus_shadow_gr0; |
---|
1871 | } |
---|
1872 | val <<= 1; |
---|
1873 | dst++; |
---|
1874 | } |
---|
1875 | cpu_physical_memory_set_dirty(s->vram_offset + offset); |
---|
1876 | cpu_physical_memory_set_dirty(s->vram_offset + offset + 7); |
---|
1877 | } |
---|
1878 | |
---|
1879 | static void cirrus_mem_writeb_mode4and5_16bpp(CirrusVGAState * s, |
---|
1880 | unsigned mode, |
---|
1881 | unsigned offset, |
---|
1882 | uint32_t mem_value) |
---|
1883 | { |
---|
1884 | int x; |
---|
1885 | unsigned val = mem_value; |
---|
1886 | uint8_t *dst; |
---|
1887 | |
---|
1888 | dst = s->vram_ptr + offset; |
---|
1889 | for (x = 0; x < 8; x++) { |
---|
1890 | if (val & 0x80) { |
---|
1891 | *dst = s->cirrus_shadow_gr1; |
---|
1892 | *(dst + 1) = s->gr[0x11]; |
---|
1893 | } else if (mode == 5) { |
---|
1894 | *dst = s->cirrus_shadow_gr0; |
---|
1895 | *(dst + 1) = s->gr[0x10]; |
---|
1896 | } |
---|
1897 | val <<= 1; |
---|
1898 | dst += 2; |
---|
1899 | } |
---|
1900 | cpu_physical_memory_set_dirty(s->vram_offset + offset); |
---|
1901 | cpu_physical_memory_set_dirty(s->vram_offset + offset + 15); |
---|
1902 | } |
---|
1903 | |
---|
1904 | /*************************************** |
---|
1905 | * |
---|
1906 | * memory access between 0xa0000-0xbffff |
---|
1907 | * |
---|
1908 | ***************************************/ |
---|
1909 | |
---|
1910 | static uint32_t cirrus_vga_mem_readb(void *opaque, target_phys_addr_t addr) |
---|
1911 | { |
---|
1912 | CirrusVGAState *s = opaque; |
---|
1913 | unsigned bank_index; |
---|
1914 | unsigned bank_offset; |
---|
1915 | uint32_t val; |
---|
1916 | |
---|
1917 | if ((s->sr[0x07] & 0x01) == 0) { |
---|
1918 | return vga_mem_readb(s, addr); |
---|
1919 | } |
---|
1920 | |
---|
1921 | addr &= 0x1ffff; |
---|
1922 | |
---|
1923 | if (addr < 0x10000) { |
---|
1924 | /* XXX handle bitblt */ |
---|
1925 | /* video memory */ |
---|
1926 | bank_index = addr >> 15; |
---|
1927 | bank_offset = addr & 0x7fff; |
---|
1928 | if (bank_offset < s->cirrus_bank_limit[bank_index]) { |
---|
1929 | bank_offset += s->cirrus_bank_base[bank_index]; |
---|
1930 | if ((s->gr[0x0B] & 0x14) == 0x14) { |
---|
1931 | bank_offset <<= 4; |
---|
1932 | } else if (s->gr[0x0B] & 0x02) { |
---|
1933 | bank_offset <<= 3; |
---|
1934 | } |
---|
1935 | bank_offset &= s->cirrus_addr_mask; |
---|
1936 | val = *(s->vram_ptr + bank_offset); |
---|
1937 | } else |
---|
1938 | val = 0xff; |
---|
1939 | } else if (addr >= 0x18000 && addr < 0x18100) { |
---|
1940 | /* memory-mapped I/O */ |
---|
1941 | val = 0xff; |
---|
1942 | if ((s->sr[0x17] & 0x44) == 0x04) { |
---|
1943 | val = cirrus_mmio_blt_read(s, addr & 0xff); |
---|
1944 | } |
---|
1945 | } else { |
---|
1946 | val = 0xff; |
---|
1947 | #ifdef DEBUG_CIRRUS |
---|
1948 | printf("cirrus: mem_readb %06x\n", addr); |
---|
1949 | #endif |
---|
1950 | } |
---|
1951 | return val; |
---|
1952 | } |
---|
1953 | |
---|
1954 | static uint32_t cirrus_vga_mem_readw(void *opaque, target_phys_addr_t addr) |
---|
1955 | { |
---|
1956 | uint32_t v; |
---|
1957 | #ifdef TARGET_WORDS_BIGENDIAN |
---|
1958 | v = cirrus_vga_mem_readb(opaque, addr) << 8; |
---|
1959 | v |= cirrus_vga_mem_readb(opaque, addr + 1); |
---|
1960 | #else |
---|
1961 | v = cirrus_vga_mem_readb(opaque, addr); |
---|
1962 | v |= cirrus_vga_mem_readb(opaque, addr + 1) << 8; |
---|
1963 | #endif |
---|
1964 | return v; |
---|
1965 | } |
---|
1966 | |
---|
1967 | static uint32_t cirrus_vga_mem_readl(void *opaque, target_phys_addr_t addr) |
---|
1968 | { |
---|
1969 | uint32_t v; |
---|
1970 | #ifdef TARGET_WORDS_BIGENDIAN |
---|
1971 | v = cirrus_vga_mem_readb(opaque, addr) << 24; |
---|
1972 | v |= cirrus_vga_mem_readb(opaque, addr + 1) << 16; |
---|
1973 | v |= cirrus_vga_mem_readb(opaque, addr + 2) << 8; |
---|
1974 | v |= cirrus_vga_mem_readb(opaque, addr + 3); |
---|
1975 | #else |
---|
1976 | v = cirrus_vga_mem_readb(opaque, addr); |
---|
1977 | v |= cirrus_vga_mem_readb(opaque, addr + 1) << 8; |
---|
1978 | v |= cirrus_vga_mem_readb(opaque, addr + 2) << 16; |
---|
1979 | v |= cirrus_vga_mem_readb(opaque, addr + 3) << 24; |
---|
1980 | #endif |
---|
1981 | return v; |
---|
1982 | } |
---|
1983 | |
---|
1984 | static void cirrus_vga_mem_writeb(void *opaque, target_phys_addr_t addr, |
---|
1985 | uint32_t mem_value) |
---|
1986 | { |
---|
1987 | CirrusVGAState *s = opaque; |
---|
1988 | unsigned bank_index; |
---|
1989 | unsigned bank_offset; |
---|
1990 | unsigned mode; |
---|
1991 | |
---|
1992 | if ((s->sr[0x07] & 0x01) == 0) { |
---|
1993 | vga_mem_writeb(s, addr, mem_value); |
---|
1994 | return; |
---|
1995 | } |
---|
1996 | |
---|
1997 | addr &= 0x1ffff; |
---|
1998 | |
---|
1999 | if (addr < 0x10000) { |
---|
2000 | if (s->cirrus_srcptr != s->cirrus_srcptr_end) { |
---|
2001 | /* bitblt */ |
---|
2002 | *s->cirrus_srcptr++ = (uint8_t) mem_value; |
---|
2003 | if (s->cirrus_srcptr >= s->cirrus_srcptr_end) { |
---|
2004 | cirrus_bitblt_cputovideo_next(s); |
---|
2005 | } |
---|
2006 | } else { |
---|
2007 | /* video memory */ |
---|
2008 | bank_index = addr >> 15; |
---|
2009 | bank_offset = addr & 0x7fff; |
---|
2010 | if (bank_offset < s->cirrus_bank_limit[bank_index]) { |
---|
2011 | bank_offset += s->cirrus_bank_base[bank_index]; |
---|
2012 | if ((s->gr[0x0B] & 0x14) == 0x14) { |
---|
2013 | bank_offset <<= 4; |
---|
2014 | } else if (s->gr[0x0B] & 0x02) { |
---|
2015 | bank_offset <<= 3; |
---|
2016 | } |
---|
2017 | bank_offset &= s->cirrus_addr_mask; |
---|
2018 | mode = s->gr[0x05] & 0x7; |
---|
2019 | if (mode < 4 || mode > 5 || ((s->gr[0x0B] & 0x4) == 0)) { |
---|
2020 | *(s->vram_ptr + bank_offset) = mem_value; |
---|
2021 | cpu_physical_memory_set_dirty(s->vram_offset + |
---|
2022 | bank_offset); |
---|
2023 | } else { |
---|
2024 | if ((s->gr[0x0B] & 0x14) != 0x14) { |
---|
2025 | cirrus_mem_writeb_mode4and5_8bpp(s, mode, |
---|
2026 | bank_offset, |
---|
2027 | mem_value); |
---|
2028 | } else { |
---|
2029 | cirrus_mem_writeb_mode4and5_16bpp(s, mode, |
---|
2030 | bank_offset, |
---|
2031 | mem_value); |
---|
2032 | } |
---|
2033 | } |
---|
2034 | } |
---|
2035 | } |
---|
2036 | } else if (addr >= 0x18000 && addr < 0x18100) { |
---|
2037 | /* memory-mapped I/O */ |
---|
2038 | if ((s->sr[0x17] & 0x44) == 0x04) { |
---|
2039 | cirrus_mmio_blt_write(s, addr & 0xff, mem_value); |
---|
2040 | } |
---|
2041 | } else { |
---|
2042 | #ifdef DEBUG_CIRRUS |
---|
2043 | printf("cirrus: mem_writeb %06x value %02x\n", addr, mem_value); |
---|
2044 | #endif |
---|
2045 | } |
---|
2046 | } |
---|
2047 | |
---|
2048 | static void cirrus_vga_mem_writew(void *opaque, target_phys_addr_t addr, uint32_t val) |
---|
2049 | { |
---|
2050 | #ifdef TARGET_WORDS_BIGENDIAN |
---|
2051 | cirrus_vga_mem_writeb(opaque, addr, (val >> 8) & 0xff); |
---|
2052 | cirrus_vga_mem_writeb(opaque, addr + 1, val & 0xff); |
---|
2053 | #else |
---|
2054 | cirrus_vga_mem_writeb(opaque, addr, val & 0xff); |
---|
2055 | cirrus_vga_mem_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
---|
2056 | #endif |
---|
2057 | } |
---|
2058 | |
---|
2059 | static void cirrus_vga_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val) |
---|
2060 | { |
---|
2061 | #ifdef TARGET_WORDS_BIGENDIAN |
---|
2062 | cirrus_vga_mem_writeb(opaque, addr, (val >> 24) & 0xff); |
---|
2063 | cirrus_vga_mem_writeb(opaque, addr + 1, (val >> 16) & 0xff); |
---|
2064 | cirrus_vga_mem_writeb(opaque, addr + 2, (val >> 8) & 0xff); |
---|
2065 | cirrus_vga_mem_writeb(opaque, addr + 3, val & 0xff); |
---|
2066 | #else |
---|
2067 | cirrus_vga_mem_writeb(opaque, addr, val & 0xff); |
---|
2068 | cirrus_vga_mem_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
---|
2069 | cirrus_vga_mem_writeb(opaque, addr + 2, (val >> 16) & 0xff); |
---|
2070 | cirrus_vga_mem_writeb(opaque, addr + 3, (val >> 24) & 0xff); |
---|
2071 | #endif |
---|
2072 | } |
---|
2073 | |
---|
2074 | static CPUReadMemoryFunc *cirrus_vga_mem_read[3] = { |
---|
2075 | cirrus_vga_mem_readb, |
---|
2076 | cirrus_vga_mem_readw, |
---|
2077 | cirrus_vga_mem_readl, |
---|
2078 | }; |
---|
2079 | |
---|
2080 | static CPUWriteMemoryFunc *cirrus_vga_mem_write[3] = { |
---|
2081 | cirrus_vga_mem_writeb, |
---|
2082 | cirrus_vga_mem_writew, |
---|
2083 | cirrus_vga_mem_writel, |
---|
2084 | }; |
---|
2085 | |
---|
2086 | /*************************************** |
---|
2087 | * |
---|
2088 | * hardware cursor |
---|
2089 | * |
---|
2090 | ***************************************/ |
---|
2091 | |
---|
2092 | static inline void invalidate_cursor1(CirrusVGAState *s) |
---|
2093 | { |
---|
2094 | if (s->last_hw_cursor_size) { |
---|
2095 | vga_invalidate_scanlines((VGAState *)s, |
---|
2096 | s->last_hw_cursor_y + s->last_hw_cursor_y_start, |
---|
2097 | s->last_hw_cursor_y + s->last_hw_cursor_y_end); |
---|
2098 | } |
---|
2099 | } |
---|
2100 | |
---|
2101 | static inline void cirrus_cursor_compute_yrange(CirrusVGAState *s) |
---|
2102 | { |
---|
2103 | const uint8_t *src; |
---|
2104 | uint32_t content; |
---|
2105 | int y, y_min, y_max; |
---|
2106 | |
---|
2107 | src = s->vram_ptr + s->real_vram_size - 16 * 1024; |
---|
2108 | if (s->sr[0x12] & CIRRUS_CURSOR_LARGE) { |
---|
2109 | src += (s->sr[0x13] & 0x3c) * 256; |
---|
2110 | y_min = 64; |
---|
2111 | y_max = -1; |
---|
2112 | for(y = 0; y < 64; y++) { |
---|
2113 | content = ((uint32_t *)src)[0] | |
---|
2114 | ((uint32_t *)src)[1] | |
---|
2115 | ((uint32_t *)src)[2] | |
---|
2116 | ((uint32_t *)src)[3]; |
---|
2117 | if (content) { |
---|
2118 | if (y < y_min) |
---|
2119 | y_min = y; |
---|
2120 | if (y > y_max) |
---|
2121 | y_max = y; |
---|
2122 | } |
---|
2123 | src += 16; |
---|
2124 | } |
---|
2125 | } else { |
---|
2126 | src += (s->sr[0x13] & 0x3f) * 256; |
---|
2127 | y_min = 32; |
---|
2128 | y_max = -1; |
---|
2129 | for(y = 0; y < 32; y++) { |
---|
2130 | content = ((uint32_t *)src)[0] | |
---|
2131 | ((uint32_t *)(src + 128))[0]; |
---|
2132 | if (content) { |
---|
2133 | if (y < y_min) |
---|
2134 | y_min = y; |
---|
2135 | if (y > y_max) |
---|
2136 | y_max = y; |
---|
2137 | } |
---|
2138 | src += 4; |
---|
2139 | } |
---|
2140 | } |
---|
2141 | if (y_min > y_max) { |
---|
2142 | s->last_hw_cursor_y_start = 0; |
---|
2143 | s->last_hw_cursor_y_end = 0; |
---|
2144 | } else { |
---|
2145 | s->last_hw_cursor_y_start = y_min; |
---|
2146 | s->last_hw_cursor_y_end = y_max + 1; |
---|
2147 | } |
---|
2148 | } |
---|
2149 | |
---|
2150 | /* NOTE: we do not currently handle the cursor bitmap change, so we |
---|
2151 | update the cursor only if it moves. */ |
---|
2152 | static void cirrus_cursor_invalidate(VGAState *s1) |
---|
2153 | { |
---|
2154 | CirrusVGAState *s = (CirrusVGAState *)s1; |
---|
2155 | int size; |
---|
2156 | |
---|
2157 | if (!s->sr[0x12] & CIRRUS_CURSOR_SHOW) { |
---|
2158 | size = 0; |
---|
2159 | } else { |
---|
2160 | if (s->sr[0x12] & CIRRUS_CURSOR_LARGE) |
---|
2161 | size = 64; |
---|
2162 | else |
---|
2163 | size = 32; |
---|
2164 | } |
---|
2165 | /* invalidate last cursor and new cursor if any change */ |
---|
2166 | if (s->last_hw_cursor_size != size || |
---|
2167 | s->last_hw_cursor_x != s->hw_cursor_x || |
---|
2168 | s->last_hw_cursor_y != s->hw_cursor_y) { |
---|
2169 | |
---|
2170 | invalidate_cursor1(s); |
---|
2171 | |
---|
2172 | s->last_hw_cursor_size = size; |
---|
2173 | s->last_hw_cursor_x = s->hw_cursor_x; |
---|
2174 | s->last_hw_cursor_y = s->hw_cursor_y; |
---|
2175 | /* compute the real cursor min and max y */ |
---|
2176 | cirrus_cursor_compute_yrange(s); |
---|
2177 | invalidate_cursor1(s); |
---|
2178 | } |
---|
2179 | } |
---|
2180 | |
---|
2181 | static void cirrus_cursor_draw_line(VGAState *s1, uint8_t *d1, int scr_y) |
---|
2182 | { |
---|
2183 | CirrusVGAState *s = (CirrusVGAState *)s1; |
---|
2184 | int w, h, bpp, x1, x2, poffset; |
---|
2185 | unsigned int color0, color1; |
---|
2186 | const uint8_t *palette, *src; |
---|
2187 | uint32_t content; |
---|
2188 | |
---|
2189 | if (!(s->sr[0x12] & CIRRUS_CURSOR_SHOW)) |
---|
2190 | return; |
---|
2191 | /* fast test to see if the cursor intersects with the scan line */ |
---|
2192 | if (s->sr[0x12] & CIRRUS_CURSOR_LARGE) { |
---|
2193 | h = 64; |
---|
2194 | } else { |
---|
2195 | h = 32; |
---|
2196 | } |
---|
2197 | if (scr_y < s->hw_cursor_y || |
---|
2198 | scr_y >= (s->hw_cursor_y + h)) |
---|
2199 | return; |
---|
2200 | |
---|
2201 | src = s->vram_ptr + s->real_vram_size - 16 * 1024; |
---|
2202 | if (s->sr[0x12] & CIRRUS_CURSOR_LARGE) { |
---|
2203 | src += (s->sr[0x13] & 0x3c) * 256; |
---|
2204 | src += (scr_y - s->hw_cursor_y) * 16; |
---|
2205 | poffset = 8; |
---|
2206 | content = ((uint32_t *)src)[0] | |
---|
2207 | ((uint32_t *)src)[1] | |
---|
2208 | ((uint32_t *)src)[2] | |
---|
2209 | ((uint32_t *)src)[3]; |
---|
2210 | } else { |
---|
2211 | src += (s->sr[0x13] & 0x3f) * 256; |
---|
2212 | src += (scr_y - s->hw_cursor_y) * 4; |
---|
2213 | poffset = 128; |
---|
2214 | content = ((uint32_t *)src)[0] | |
---|
2215 | ((uint32_t *)(src + 128))[0]; |
---|
2216 | } |
---|
2217 | /* if nothing to draw, no need to continue */ |
---|
2218 | if (!content) |
---|
2219 | return; |
---|
2220 | w = h; |
---|
2221 | |
---|
2222 | x1 = s->hw_cursor_x; |
---|
2223 | if (x1 >= s->last_scr_width) |
---|
2224 | return; |
---|
2225 | x2 = s->hw_cursor_x + w; |
---|
2226 | if (x2 > s->last_scr_width) |
---|
2227 | x2 = s->last_scr_width; |
---|
2228 | w = x2 - x1; |
---|
2229 | palette = s->cirrus_hidden_palette; |
---|
2230 | color0 = s->rgb_to_pixel(c6_to_8(palette[0x0 * 3]), |
---|
2231 | c6_to_8(palette[0x0 * 3 + 1]), |
---|
2232 | c6_to_8(palette[0x0 * 3 + 2])); |
---|
2233 | color1 = s->rgb_to_pixel(c6_to_8(palette[0xf * 3]), |
---|
2234 | c6_to_8(palette[0xf * 3 + 1]), |
---|
2235 | c6_to_8(palette[0xf * 3 + 2])); |
---|
2236 | bpp = ((s->ds->depth + 7) >> 3); |
---|
2237 | d1 += x1 * bpp; |
---|
2238 | switch(s->ds->depth) { |
---|
2239 | default: |
---|
2240 | break; |
---|
2241 | case 8: |
---|
2242 | vga_draw_cursor_line_8(d1, src, poffset, w, color0, color1, 0xff); |
---|
2243 | break; |
---|
2244 | case 15: |
---|
2245 | vga_draw_cursor_line_16(d1, src, poffset, w, color0, color1, 0x7fff); |
---|
2246 | break; |
---|
2247 | case 16: |
---|
2248 | vga_draw_cursor_line_16(d1, src, poffset, w, color0, color1, 0xffff); |
---|
2249 | break; |
---|
2250 | case 32: |
---|
2251 | vga_draw_cursor_line_32(d1, src, poffset, w, color0, color1, 0xffffff); |
---|
2252 | break; |
---|
2253 | } |
---|
2254 | } |
---|
2255 | |
---|
2256 | /*************************************** |
---|
2257 | * |
---|
2258 | * LFB memory access |
---|
2259 | * |
---|
2260 | ***************************************/ |
---|
2261 | |
---|
2262 | static uint32_t cirrus_linear_readb(void *opaque, target_phys_addr_t addr) |
---|
2263 | { |
---|
2264 | CirrusVGAState *s = (CirrusVGAState *) opaque; |
---|
2265 | uint32_t ret; |
---|
2266 | |
---|
2267 | addr &= s->cirrus_addr_mask; |
---|
2268 | |
---|
2269 | if (((s->sr[0x17] & 0x44) == 0x44) && |
---|
2270 | ((addr & s->linear_mmio_mask) == s->linear_mmio_mask)) { |
---|
2271 | /* memory-mapped I/O */ |
---|
2272 | ret = cirrus_mmio_blt_read(s, addr & 0xff); |
---|
2273 | } else if (0) { |
---|
2274 | /* XXX handle bitblt */ |
---|
2275 | ret = 0xff; |
---|
2276 | } else { |
---|
2277 | /* video memory */ |
---|
2278 | if ((s->gr[0x0B] & 0x14) == 0x14) { |
---|
2279 | addr <<= 4; |
---|
2280 | } else if (s->gr[0x0B] & 0x02) { |
---|
2281 | addr <<= 3; |
---|
2282 | } |
---|
2283 | addr &= s->cirrus_addr_mask; |
---|
2284 | ret = *(s->vram_ptr + addr); |
---|
2285 | } |
---|
2286 | |
---|
2287 | return ret; |
---|
2288 | } |
---|
2289 | |
---|
2290 | static uint32_t cirrus_linear_readw(void *opaque, target_phys_addr_t addr) |
---|
2291 | { |
---|
2292 | uint32_t v; |
---|
2293 | #ifdef TARGET_WORDS_BIGENDIAN |
---|
2294 | v = cirrus_linear_readb(opaque, addr) << 8; |
---|
2295 | v |= cirrus_linear_readb(opaque, addr + 1); |
---|
2296 | #else |
---|
2297 | v = cirrus_linear_readb(opaque, addr); |
---|
2298 | v |= cirrus_linear_readb(opaque, addr + 1) << 8; |
---|
2299 | #endif |
---|
2300 | return v; |
---|
2301 | } |
---|
2302 | |
---|
2303 | static uint32_t cirrus_linear_readl(void *opaque, target_phys_addr_t addr) |
---|
2304 | { |
---|
2305 | uint32_t v; |
---|
2306 | #ifdef TARGET_WORDS_BIGENDIAN |
---|
2307 | v = cirrus_linear_readb(opaque, addr) << 24; |
---|
2308 | v |= cirrus_linear_readb(opaque, addr + 1) << 16; |
---|
2309 | v |= cirrus_linear_readb(opaque, addr + 2) << 8; |
---|
2310 | v |= cirrus_linear_readb(opaque, addr + 3); |
---|
2311 | #else |
---|
2312 | v = cirrus_linear_readb(opaque, addr); |
---|
2313 | v |= cirrus_linear_readb(opaque, addr + 1) << 8; |
---|
2314 | v |= cirrus_linear_readb(opaque, addr + 2) << 16; |
---|
2315 | v |= cirrus_linear_readb(opaque, addr + 3) << 24; |
---|
2316 | #endif |
---|
2317 | return v; |
---|
2318 | } |
---|
2319 | |
---|
2320 | static void cirrus_linear_writeb(void *opaque, target_phys_addr_t addr, |
---|
2321 | uint32_t val) |
---|
2322 | { |
---|
2323 | CirrusVGAState *s = (CirrusVGAState *) opaque; |
---|
2324 | unsigned mode; |
---|
2325 | |
---|
2326 | addr &= s->cirrus_addr_mask; |
---|
2327 | |
---|
2328 | if (((s->sr[0x17] & 0x44) == 0x44) && |
---|
2329 | ((addr & s->linear_mmio_mask) == s->linear_mmio_mask)) { |
---|
2330 | /* memory-mapped I/O */ |
---|
2331 | cirrus_mmio_blt_write(s, addr & 0xff, val); |
---|
2332 | } else if (s->cirrus_srcptr != s->cirrus_srcptr_end) { |
---|
2333 | /* bitblt */ |
---|
2334 | *s->cirrus_srcptr++ = (uint8_t) val; |
---|
2335 | if (s->cirrus_srcptr >= s->cirrus_srcptr_end) { |
---|
2336 | cirrus_bitblt_cputovideo_next(s); |
---|
2337 | } |
---|
2338 | } else { |
---|
2339 | /* video memory */ |
---|
2340 | if ((s->gr[0x0B] & 0x14) == 0x14) { |
---|
2341 | addr <<= 4; |
---|
2342 | } else if (s->gr[0x0B] & 0x02) { |
---|
2343 | addr <<= 3; |
---|
2344 | } |
---|
2345 | addr &= s->cirrus_addr_mask; |
---|
2346 | |
---|
2347 | mode = s->gr[0x05] & 0x7; |
---|
2348 | if (mode < 4 || mode > 5 || ((s->gr[0x0B] & 0x4) == 0)) { |
---|
2349 | *(s->vram_ptr + addr) = (uint8_t) val; |
---|
2350 | cpu_physical_memory_set_dirty(s->vram_offset + addr); |
---|
2351 | } else { |
---|
2352 | if ((s->gr[0x0B] & 0x14) != 0x14) { |
---|
2353 | cirrus_mem_writeb_mode4and5_8bpp(s, mode, addr, val); |
---|
2354 | } else { |
---|
2355 | cirrus_mem_writeb_mode4and5_16bpp(s, mode, addr, val); |
---|
2356 | } |
---|
2357 | } |
---|
2358 | } |
---|
2359 | } |
---|
2360 | |
---|
2361 | static void cirrus_linear_writew(void *opaque, target_phys_addr_t addr, |
---|
2362 | uint32_t val) |
---|
2363 | { |
---|
2364 | #ifdef TARGET_WORDS_BIGENDIAN |
---|
2365 | cirrus_linear_writeb(opaque, addr, (val >> 8) & 0xff); |
---|
2366 | cirrus_linear_writeb(opaque, addr + 1, val & 0xff); |
---|
2367 | #else |
---|
2368 | cirrus_linear_writeb(opaque, addr, val & 0xff); |
---|
2369 | cirrus_linear_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
---|
2370 | #endif |
---|
2371 | } |
---|
2372 | |
---|
2373 | static void cirrus_linear_writel(void *opaque, target_phys_addr_t addr, |
---|
2374 | uint32_t val) |
---|
2375 | { |
---|
2376 | #ifdef TARGET_WORDS_BIGENDIAN |
---|
2377 | cirrus_linear_writeb(opaque, addr, (val >> 24) & 0xff); |
---|
2378 | cirrus_linear_writeb(opaque, addr + 1, (val >> 16) & 0xff); |
---|
2379 | cirrus_linear_writeb(opaque, addr + 2, (val >> 8) & 0xff); |
---|
2380 | cirrus_linear_writeb(opaque, addr + 3, val & 0xff); |
---|
2381 | #else |
---|
2382 | cirrus_linear_writeb(opaque, addr, val & 0xff); |
---|
2383 | cirrus_linear_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
---|
2384 | cirrus_linear_writeb(opaque, addr + 2, (val >> 16) & 0xff); |
---|
2385 | cirrus_linear_writeb(opaque, addr + 3, (val >> 24) & 0xff); |
---|
2386 | #endif |
---|
2387 | } |
---|
2388 | |
---|
2389 | |
---|
2390 | static CPUReadMemoryFunc *cirrus_linear_read[3] = { |
---|
2391 | cirrus_linear_readb, |
---|
2392 | cirrus_linear_readw, |
---|
2393 | cirrus_linear_readl, |
---|
2394 | }; |
---|
2395 | |
---|
2396 | static CPUWriteMemoryFunc *cirrus_linear_write[3] = { |
---|
2397 | cirrus_linear_writeb, |
---|
2398 | cirrus_linear_writew, |
---|
2399 | cirrus_linear_writel, |
---|
2400 | }; |
---|
2401 | |
---|
2402 | static void cirrus_linear_mem_writeb(void *opaque, target_phys_addr_t addr, |
---|
2403 | uint32_t val) |
---|
2404 | { |
---|
2405 | CirrusVGAState *s = (CirrusVGAState *) opaque; |
---|
2406 | |
---|
2407 | addr &= s->cirrus_addr_mask; |
---|
2408 | *(s->vram_ptr + addr) = val; |
---|
2409 | cpu_physical_memory_set_dirty(s->vram_offset + addr); |
---|
2410 | } |
---|
2411 | |
---|
2412 | static void cirrus_linear_mem_writew(void *opaque, target_phys_addr_t addr, |
---|
2413 | uint32_t val) |
---|
2414 | { |
---|
2415 | CirrusVGAState *s = (CirrusVGAState *) opaque; |
---|
2416 | |
---|
2417 | addr &= s->cirrus_addr_mask; |
---|
2418 | cpu_to_le16w((uint16_t *)(s->vram_ptr + addr), val); |
---|
2419 | cpu_physical_memory_set_dirty(s->vram_offset + addr); |
---|
2420 | } |
---|
2421 | |
---|
2422 | static void cirrus_linear_mem_writel(void *opaque, target_phys_addr_t addr, |
---|
2423 | uint32_t val) |
---|
2424 | { |
---|
2425 | CirrusVGAState *s = (CirrusVGAState *) opaque; |
---|
2426 | |
---|
2427 | addr &= s->cirrus_addr_mask; |
---|
2428 | cpu_to_le32w((uint32_t *)(s->vram_ptr + addr), val); |
---|
2429 | cpu_physical_memory_set_dirty(s->vram_offset + addr); |
---|
2430 | } |
---|
2431 | |
---|
2432 | /*************************************** |
---|
2433 | * |
---|
2434 | * system to screen memory access |
---|
2435 | * |
---|
2436 | ***************************************/ |
---|
2437 | |
---|
2438 | |
---|
2439 | static uint32_t cirrus_linear_bitblt_readb(void *opaque, target_phys_addr_t addr) |
---|
2440 | { |
---|
2441 | uint32_t ret; |
---|
2442 | |
---|
2443 | /* XXX handle bitblt */ |
---|
2444 | ret = 0xff; |
---|
2445 | return ret; |
---|
2446 | } |
---|
2447 | |
---|
2448 | static uint32_t cirrus_linear_bitblt_readw(void *opaque, target_phys_addr_t addr) |
---|
2449 | { |
---|
2450 | uint32_t v; |
---|
2451 | #ifdef TARGET_WORDS_BIGENDIAN |
---|
2452 | v = cirrus_linear_bitblt_readb(opaque, addr) << 8; |
---|
2453 | v |= cirrus_linear_bitblt_readb(opaque, addr + 1); |
---|
2454 | #else |
---|
2455 | v = cirrus_linear_bitblt_readb(opaque, addr); |
---|
2456 | v |= cirrus_linear_bitblt_readb(opaque, addr + 1) << 8; |
---|
2457 | #endif |
---|
2458 | return v; |
---|
2459 | } |
---|
2460 | |
---|
2461 | static uint32_t cirrus_linear_bitblt_readl(void *opaque, target_phys_addr_t addr) |
---|
2462 | { |
---|
2463 | uint32_t v; |
---|
2464 | #ifdef TARGET_WORDS_BIGENDIAN |
---|
2465 | v = cirrus_linear_bitblt_readb(opaque, addr) << 24; |
---|
2466 | v |= cirrus_linear_bitblt_readb(opaque, addr + 1) << 16; |
---|
2467 | v |= cirrus_linear_bitblt_readb(opaque, addr + 2) << 8; |
---|
2468 | v |= cirrus_linear_bitblt_readb(opaque, addr + 3); |
---|
2469 | #else |
---|
2470 | v = cirrus_linear_bitblt_readb(opaque, addr); |
---|
2471 | v |= cirrus_linear_bitblt_readb(opaque, addr + 1) << 8; |
---|
2472 | v |= cirrus_linear_bitblt_readb(opaque, addr + 2) << 16; |
---|
2473 | v |= cirrus_linear_bitblt_readb(opaque, addr + 3) << 24; |
---|
2474 | #endif |
---|
2475 | return v; |
---|
2476 | } |
---|
2477 | |
---|
2478 | static void cirrus_linear_bitblt_writeb(void *opaque, target_phys_addr_t addr, |
---|
2479 | uint32_t val) |
---|
2480 | { |
---|
2481 | CirrusVGAState *s = (CirrusVGAState *) opaque; |
---|
2482 | |
---|
2483 | if (s->cirrus_srcptr != s->cirrus_srcptr_end) { |
---|
2484 | /* bitblt */ |
---|
2485 | *s->cirrus_srcptr++ = (uint8_t) val; |
---|
2486 | if (s->cirrus_srcptr >= s->cirrus_srcptr_end) { |
---|
2487 | cirrus_bitblt_cputovideo_next(s); |
---|
2488 | } |
---|
2489 | } |
---|
2490 | } |
---|
2491 | |
---|
2492 | static void cirrus_linear_bitblt_writew(void *opaque, target_phys_addr_t addr, |
---|
2493 | uint32_t val) |
---|
2494 | { |
---|
2495 | #ifdef TARGET_WORDS_BIGENDIAN |
---|
2496 | cirrus_linear_bitblt_writeb(opaque, addr, (val >> 8) & 0xff); |
---|
2497 | cirrus_linear_bitblt_writeb(opaque, addr + 1, val & 0xff); |
---|
2498 | #else |
---|
2499 | cirrus_linear_bitblt_writeb(opaque, addr, val & 0xff); |
---|
2500 | cirrus_linear_bitblt_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
---|
2501 | #endif |
---|
2502 | } |
---|
2503 | |
---|
2504 | static void cirrus_linear_bitblt_writel(void *opaque, target_phys_addr_t addr, |
---|
2505 | uint32_t val) |
---|
2506 | { |
---|
2507 | #ifdef TARGET_WORDS_BIGENDIAN |
---|
2508 | cirrus_linear_bitblt_writeb(opaque, addr, (val >> 24) & 0xff); |
---|
2509 | cirrus_linear_bitblt_writeb(opaque, addr + 1, (val >> 16) & 0xff); |
---|
2510 | cirrus_linear_bitblt_writeb(opaque, addr + 2, (val >> 8) & 0xff); |
---|
2511 | cirrus_linear_bitblt_writeb(opaque, addr + 3, val & 0xff); |
---|
2512 | #else |
---|
2513 | cirrus_linear_bitblt_writeb(opaque, addr, val & 0xff); |
---|
2514 | cirrus_linear_bitblt_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
---|
2515 | cirrus_linear_bitblt_writeb(opaque, addr + 2, (val >> 16) & 0xff); |
---|
2516 | cirrus_linear_bitblt_writeb(opaque, addr + 3, (val >> 24) & 0xff); |
---|
2517 | #endif |
---|
2518 | } |
---|
2519 | |
---|
2520 | |
---|
2521 | static CPUReadMemoryFunc *cirrus_linear_bitblt_read[3] = { |
---|
2522 | cirrus_linear_bitblt_readb, |
---|
2523 | cirrus_linear_bitblt_readw, |
---|
2524 | cirrus_linear_bitblt_readl, |
---|
2525 | }; |
---|
2526 | |
---|
2527 | static CPUWriteMemoryFunc *cirrus_linear_bitblt_write[3] = { |
---|
2528 | cirrus_linear_bitblt_writeb, |
---|
2529 | cirrus_linear_bitblt_writew, |
---|
2530 | cirrus_linear_bitblt_writel, |
---|
2531 | }; |
---|
2532 | |
---|
2533 | static void *set_vram_mapping(unsigned long begin, unsigned long end) |
---|
2534 | { |
---|
2535 | xen_pfn_t *extent_start = NULL; |
---|
2536 | unsigned long nr_extents; |
---|
2537 | void *vram_pointer = NULL; |
---|
2538 | int i; |
---|
2539 | |
---|
2540 | /* align begin and end address */ |
---|
2541 | begin = begin & TARGET_PAGE_MASK; |
---|
2542 | end = begin + VGA_RAM_SIZE; |
---|
2543 | end = (end + TARGET_PAGE_SIZE -1 ) & TARGET_PAGE_MASK; |
---|
2544 | nr_extents = (end - begin) >> TARGET_PAGE_BITS; |
---|
2545 | |
---|
2546 | extent_start = malloc(sizeof(xen_pfn_t) * nr_extents); |
---|
2547 | if (extent_start == NULL) { |
---|
2548 | fprintf(stderr, "Failed malloc on set_vram_mapping\n"); |
---|
2549 | return NULL; |
---|
2550 | } |
---|
2551 | |
---|
2552 | memset(extent_start, 0, sizeof(xen_pfn_t) * nr_extents); |
---|
2553 | |
---|
2554 | for (i = 0; i < nr_extents; i++) |
---|
2555 | extent_start[i] = (begin + i * TARGET_PAGE_SIZE) >> TARGET_PAGE_BITS; |
---|
2556 | |
---|
2557 | set_mm_mapping(xc_handle, domid, nr_extents, 0, extent_start); |
---|
2558 | |
---|
2559 | vram_pointer = xc_map_foreign_batch(xc_handle, domid, |
---|
2560 | PROT_READ|PROT_WRITE, |
---|
2561 | extent_start, nr_extents); |
---|
2562 | if (vram_pointer == NULL) { |
---|
2563 | fprintf(logfile, "xc_map_foreign_batch vgaram returned error %d\n", |
---|
2564 | errno); |
---|
2565 | return NULL; |
---|
2566 | } |
---|
2567 | |
---|
2568 | memset(vram_pointer, 0, nr_extents * TARGET_PAGE_SIZE); |
---|
2569 | |
---|
2570 | free(extent_start); |
---|
2571 | |
---|
2572 | return vram_pointer; |
---|
2573 | } |
---|
2574 | |
---|
2575 | static int unset_vram_mapping(unsigned long begin, unsigned long end, |
---|
2576 | void *mapping) |
---|
2577 | { |
---|
2578 | xen_pfn_t *extent_start = NULL; |
---|
2579 | unsigned long nr_extents; |
---|
2580 | int i; |
---|
2581 | |
---|
2582 | /* align begin and end address */ |
---|
2583 | |
---|
2584 | end = begin + VGA_RAM_SIZE; |
---|
2585 | begin = begin & TARGET_PAGE_MASK; |
---|
2586 | end = (end + TARGET_PAGE_SIZE -1 ) & TARGET_PAGE_MASK; |
---|
2587 | nr_extents = (end - begin) >> TARGET_PAGE_BITS; |
---|
2588 | |
---|
2589 | extent_start = malloc(sizeof(xen_pfn_t) * nr_extents); |
---|
2590 | |
---|
2591 | if (extent_start == NULL) { |
---|
2592 | fprintf(stderr, "Failed malloc on set_mm_mapping\n"); |
---|
2593 | return -1; |
---|
2594 | } |
---|
2595 | |
---|
2596 | /* Drop our own references to the vram pages */ |
---|
2597 | munmap(mapping, nr_extents * TARGET_PAGE_SIZE); |
---|
2598 | |
---|
2599 | /* Now drop the guest's mappings */ |
---|
2600 | memset(extent_start, 0, sizeof(xen_pfn_t) * nr_extents); |
---|
2601 | for (i = 0; i < nr_extents; i++) |
---|
2602 | extent_start[i] = (begin + (i * TARGET_PAGE_SIZE)) >> TARGET_PAGE_BITS; |
---|
2603 | unset_mm_mapping(xc_handle, domid, nr_extents, 0, extent_start); |
---|
2604 | |
---|
2605 | free(extent_start); |
---|
2606 | |
---|
2607 | return 0; |
---|
2608 | } |
---|
2609 | |
---|
2610 | /* Compute the memory access functions */ |
---|
2611 | static void cirrus_update_memory_access(CirrusVGAState *s) |
---|
2612 | { |
---|
2613 | unsigned mode; |
---|
2614 | |
---|
2615 | if ((s->sr[0x17] & 0x44) == 0x44) { |
---|
2616 | goto generic_io; |
---|
2617 | } else if (s->cirrus_srcptr != s->cirrus_srcptr_end) { |
---|
2618 | goto generic_io; |
---|
2619 | } else { |
---|
2620 | if ((s->gr[0x0B] & 0x14) == 0x14) { |
---|
2621 | goto generic_io; |
---|
2622 | } else if (s->gr[0x0B] & 0x02) { |
---|
2623 | goto generic_io; |
---|
2624 | } |
---|
2625 | |
---|
2626 | mode = s->gr[0x05] & 0x7; |
---|
2627 | if (mode < 4 || mode > 5 || ((s->gr[0x0B] & 0x4) == 0)) { |
---|
2628 | if (s->cirrus_lfb_addr && s->cirrus_lfb_end && !s->map_addr) { |
---|
2629 | void *vram_pointer, *old_vram; |
---|
2630 | |
---|
2631 | vram_pointer = set_vram_mapping(s->cirrus_lfb_addr, |
---|
2632 | s->cirrus_lfb_end); |
---|
2633 | if (!vram_pointer) |
---|
2634 | fprintf(stderr, "NULL vram_pointer\n"); |
---|
2635 | else { |
---|
2636 | old_vram = vga_update_vram((VGAState *)s, vram_pointer, |
---|
2637 | VGA_RAM_SIZE); |
---|
2638 | qemu_free(old_vram); |
---|
2639 | } |
---|
2640 | s->map_addr = s->cirrus_lfb_addr; |
---|
2641 | s->map_end = s->cirrus_lfb_end; |
---|
2642 | } |
---|
2643 | s->cirrus_linear_write[0] = cirrus_linear_mem_writeb; |
---|
2644 | s->cirrus_linear_write[1] = cirrus_linear_mem_writew; |
---|
2645 | s->cirrus_linear_write[2] = cirrus_linear_mem_writel; |
---|
2646 | } else { |
---|
2647 | generic_io: |
---|
2648 | if (s->cirrus_lfb_addr && s->cirrus_lfb_end && s->map_addr) { |
---|
2649 | void *old_vram; |
---|
2650 | |
---|
2651 | old_vram = vga_update_vram((VGAState *)s, NULL, VGA_RAM_SIZE); |
---|
2652 | |
---|
2653 | unset_vram_mapping(s->cirrus_lfb_addr, |
---|
2654 | s->cirrus_lfb_end, |
---|
2655 | old_vram); |
---|
2656 | |
---|
2657 | s->map_addr = s->map_end = 0; |
---|
2658 | } |
---|
2659 | s->cirrus_linear_write[0] = cirrus_linear_writeb; |
---|
2660 | s->cirrus_linear_write[1] = cirrus_linear_writew; |
---|
2661 | s->cirrus_linear_write[2] = cirrus_linear_writel; |
---|
2662 | } |
---|
2663 | } |
---|
2664 | } |
---|
2665 | |
---|
2666 | |
---|
2667 | /* I/O ports */ |
---|
2668 | |
---|
2669 | static uint32_t vga_ioport_read(void *opaque, uint32_t addr) |
---|
2670 | { |
---|
2671 | CirrusVGAState *s = opaque; |
---|
2672 | int val, index; |
---|
2673 | |
---|
2674 | /* check port range access depending on color/monochrome mode */ |
---|
2675 | if ((addr >= 0x3b0 && addr <= 0x3bf && (s->msr & MSR_COLOR_EMULATION)) |
---|
2676 | || (addr >= 0x3d0 && addr <= 0x3df |
---|
2677 | && !(s->msr & MSR_COLOR_EMULATION))) { |
---|
2678 | val = 0xff; |
---|
2679 | } else { |
---|
2680 | switch (addr) { |
---|
2681 | case 0x3c0: |
---|
2682 | if (s->ar_flip_flop == 0) { |
---|
2683 | val = s->ar_index; |
---|
2684 | } else { |
---|
2685 | val = 0; |
---|
2686 | } |
---|
2687 | break; |
---|
2688 | case 0x3c1: |
---|
2689 | index = s->ar_index & 0x1f; |
---|
2690 | if (index < 21) |
---|
2691 | val = s->ar[index]; |
---|
2692 | else |
---|
2693 | val = 0; |
---|
2694 | break; |
---|
2695 | case 0x3c2: |
---|
2696 | val = s->st00; |
---|
2697 | break; |
---|
2698 | case 0x3c4: |
---|
2699 | val = s->sr_index; |
---|
2700 | break; |
---|
2701 | case 0x3c5: |
---|
2702 | if (cirrus_hook_read_sr(s, s->sr_index, &val)) |
---|
2703 | break; |
---|
2704 | val = s->sr[s->sr_index]; |
---|
2705 | #ifdef DEBUG_VGA_REG |
---|
2706 | printf("vga: read SR%x = 0x%02x\n", s->sr_index, val); |
---|
2707 | #endif |
---|
2708 | break; |
---|
2709 | case 0x3c6: |
---|
2710 | cirrus_read_hidden_dac(s, &val); |
---|
2711 | break; |
---|
2712 | case 0x3c7: |
---|
2713 | val = s->dac_state; |
---|
2714 | break; |
---|
2715 | case 0x3c8: |
---|
2716 | val = s->dac_write_index; |
---|
2717 | s->cirrus_hidden_dac_lockindex = 0; |
---|
2718 | break; |
---|
2719 | case 0x3c9: |
---|
2720 | if (cirrus_hook_read_palette(s, &val)) |
---|
2721 | break; |
---|
2722 | val = s->palette[s->dac_read_index * 3 + s->dac_sub_index]; |
---|
2723 | if (++s->dac_sub_index == 3) { |
---|
2724 | s->dac_sub_index = 0; |
---|
2725 | s->dac_read_index++; |
---|
2726 | } |
---|
2727 | break; |
---|
2728 | case 0x3ca: |
---|
2729 | val = s->fcr; |
---|
2730 | break; |
---|
2731 | case 0x3cc: |
---|
2732 | val = s->msr; |
---|
2733 | break; |
---|
2734 | case 0x3ce: |
---|
2735 | val = s->gr_index; |
---|
2736 | break; |
---|
2737 | case 0x3cf: |
---|
2738 | if (cirrus_hook_read_gr(s, s->gr_index, &val)) |
---|
2739 | break; |
---|
2740 | val = s->gr[s->gr_index]; |
---|
2741 | #ifdef DEBUG_VGA_REG |
---|
2742 | printf("vga: read GR%x = 0x%02x\n", s->gr_index, val); |
---|
2743 | #endif |
---|
2744 | break; |
---|
2745 | case 0x3b4: |
---|
2746 | case 0x3d4: |
---|
2747 | val = s->cr_index; |
---|
2748 | break; |
---|
2749 | case 0x3b5: |
---|
2750 | case 0x3d5: |
---|
2751 | if (cirrus_hook_read_cr(s, s->cr_index, &val)) |
---|
2752 | break; |
---|
2753 | val = s->cr[s->cr_index]; |
---|
2754 | #ifdef DEBUG_VGA_REG |
---|
2755 | printf("vga: read CR%x = 0x%02x\n", s->cr_index, val); |
---|
2756 | #endif |
---|
2757 | break; |
---|
2758 | case 0x3ba: |
---|
2759 | case 0x3da: |
---|
2760 | /* just toggle to fool polling */ |
---|
2761 | s->st01 ^= ST01_V_RETRACE | ST01_DISP_ENABLE; |
---|
2762 | val = s->st01; |
---|
2763 | s->ar_flip_flop = 0; |
---|
2764 | break; |
---|
2765 | default: |
---|
2766 | val = 0x00; |
---|
2767 | break; |
---|
2768 | } |
---|
2769 | } |
---|
2770 | #if defined(DEBUG_VGA) |
---|
2771 | printf("VGA: read addr=0x%04x data=0x%02x\n", addr, val); |
---|
2772 | #endif |
---|
2773 | return val; |
---|
2774 | } |
---|
2775 | |
---|
2776 | static void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val) |
---|
2777 | { |
---|
2778 | CirrusVGAState *s = opaque; |
---|
2779 | int index; |
---|
2780 | |
---|
2781 | /* check port range access depending on color/monochrome mode */ |
---|
2782 | if ((addr >= 0x3b0 && addr <= 0x3bf && (s->msr & MSR_COLOR_EMULATION)) |
---|
2783 | || (addr >= 0x3d0 && addr <= 0x3df |
---|
2784 | && !(s->msr & MSR_COLOR_EMULATION))) |
---|
2785 | return; |
---|
2786 | |
---|
2787 | #ifdef DEBUG_VGA |
---|
2788 | printf("VGA: write addr=0x%04x data=0x%02x\n", addr, val); |
---|
2789 | #endif |
---|
2790 | |
---|
2791 | switch (addr) { |
---|
2792 | case 0x3c0: |
---|
2793 | if (s->ar_flip_flop == 0) { |
---|
2794 | val &= 0x3f; |
---|
2795 | s->ar_index = val; |
---|
2796 | } else { |
---|
2797 | index = s->ar_index & 0x1f; |
---|
2798 | switch (index) { |
---|
2799 | case 0x00 ... 0x0f: |
---|
2800 | s->ar[index] = val & 0x3f; |
---|
2801 | break; |
---|
2802 | case 0x10: |
---|
2803 | s->ar[index] = val & ~0x10; |
---|
2804 | break; |
---|
2805 | case 0x11: |
---|
2806 | s->ar[index] = val; |
---|
2807 | break; |
---|
2808 | case 0x12: |
---|
2809 | s->ar[index] = val & ~0xc0; |
---|
2810 | break; |
---|
2811 | case 0x13: |
---|
2812 | s->ar[index] = val & ~0xf0; |
---|
2813 | break; |
---|
2814 | case 0x14: |
---|
2815 | s->ar[index] = val & ~0xf0; |
---|
2816 | break; |
---|
2817 | default: |
---|
2818 | break; |
---|
2819 | } |
---|
2820 | } |
---|
2821 | s->ar_flip_flop ^= 1; |
---|
2822 | break; |
---|
2823 | case 0x3c2: |
---|
2824 | s->msr = val & ~0x10; |
---|
2825 | break; |
---|
2826 | case 0x3c4: |
---|
2827 | s->sr_index = val; |
---|
2828 | break; |
---|
2829 | case 0x3c5: |
---|
2830 | if (cirrus_hook_write_sr(s, s->sr_index, val)) |
---|
2831 | break; |
---|
2832 | #ifdef DEBUG_VGA_REG |
---|
2833 | printf("vga: write SR%x = 0x%02x\n", s->sr_index, val); |
---|
2834 | #endif |
---|
2835 | s->sr[s->sr_index] = val & sr_mask[s->sr_index]; |
---|
2836 | break; |
---|
2837 | case 0x3c6: |
---|
2838 | cirrus_write_hidden_dac(s, val); |
---|
2839 | break; |
---|
2840 | case 0x3c7: |
---|
2841 | s->dac_read_index = val; |
---|
2842 | s->dac_sub_index = 0; |
---|
2843 | s->dac_state = 3; |
---|
2844 | break; |
---|
2845 | case 0x3c8: |
---|
2846 | s->dac_write_index = val; |
---|
2847 | s->dac_sub_index = 0; |
---|
2848 | s->dac_state = 0; |
---|
2849 | break; |
---|
2850 | case 0x3c9: |
---|
2851 | if (cirrus_hook_write_palette(s, val)) |
---|
2852 | break; |
---|
2853 | s->dac_cache[s->dac_sub_index] = val; |
---|
2854 | if (++s->dac_sub_index == 3) { |
---|
2855 | memcpy(&s->palette[s->dac_write_index * 3], s->dac_cache, 3); |
---|
2856 | s->dac_sub_index = 0; |
---|
2857 | s->dac_write_index++; |
---|
2858 | } |
---|
2859 | break; |
---|
2860 | case 0x3ce: |
---|
2861 | s->gr_index = val; |
---|
2862 | break; |
---|
2863 | case 0x3cf: |
---|
2864 | if (cirrus_hook_write_gr(s, s->gr_index, val)) |
---|
2865 | break; |
---|
2866 | #ifdef DEBUG_VGA_REG |
---|
2867 | printf("vga: write GR%x = 0x%02x\n", s->gr_index, val); |
---|
2868 | #endif |
---|
2869 | s->gr[s->gr_index] = val & gr_mask[s->gr_index]; |
---|
2870 | break; |
---|
2871 | case 0x3b4: |
---|
2872 | case 0x3d4: |
---|
2873 | s->cr_index = val; |
---|
2874 | break; |
---|
2875 | case 0x3b5: |
---|
2876 | case 0x3d5: |
---|
2877 | if (cirrus_hook_write_cr(s, s->cr_index, val)) |
---|
2878 | break; |
---|
2879 | #ifdef DEBUG_VGA_REG |
---|
2880 | printf("vga: write CR%x = 0x%02x\n", s->cr_index, val); |
---|
2881 | #endif |
---|
2882 | /* handle CR0-7 protection */ |
---|
2883 | if ((s->cr[0x11] & 0x80) && s->cr_index <= 7) { |
---|
2884 | /* can always write bit 4 of CR7 */ |
---|
2885 | if (s->cr_index == 7) |
---|
2886 | s->cr[7] = (s->cr[7] & ~0x10) | (val & 0x10); |
---|
2887 | return; |
---|
2888 | } |
---|
2889 | switch (s->cr_index) { |
---|
2890 | case 0x01: /* horizontal display end */ |
---|
2891 | case 0x07: |
---|
2892 | case 0x09: |
---|
2893 | case 0x0c: |
---|
2894 | case 0x0d: |
---|
2895 | case 0x12: /* veritcal display end */ |
---|
2896 | s->cr[s->cr_index] = val; |
---|
2897 | break; |
---|
2898 | |
---|
2899 | default: |
---|
2900 | s->cr[s->cr_index] = val; |
---|
2901 | break; |
---|
2902 | } |
---|
2903 | break; |
---|
2904 | case 0x3ba: |
---|
2905 | case 0x3da: |
---|
2906 | s->fcr = val & 0x10; |
---|
2907 | break; |
---|
2908 | } |
---|
2909 | } |
---|
2910 | |
---|
2911 | /*************************************** |
---|
2912 | * |
---|
2913 | * memory-mapped I/O access |
---|
2914 | * |
---|
2915 | ***************************************/ |
---|
2916 | |
---|
2917 | static uint32_t cirrus_mmio_readb(void *opaque, target_phys_addr_t addr) |
---|
2918 | { |
---|
2919 | CirrusVGAState *s = (CirrusVGAState *) opaque; |
---|
2920 | |
---|
2921 | addr &= CIRRUS_PNPMMIO_SIZE - 1; |
---|
2922 | |
---|
2923 | if (addr >= 0x100) { |
---|
2924 | return cirrus_mmio_blt_read(s, addr - 0x100); |
---|
2925 | } else { |
---|
2926 | return vga_ioport_read(s, addr + 0x3c0); |
---|
2927 | } |
---|
2928 | } |
---|
2929 | |
---|
2930 | static uint32_t cirrus_mmio_readw(void *opaque, target_phys_addr_t addr) |
---|
2931 | { |
---|
2932 | uint32_t v; |
---|
2933 | #ifdef TARGET_WORDS_BIGENDIAN |
---|
2934 | v = cirrus_mmio_readb(opaque, addr) << 8; |
---|
2935 | v |= cirrus_mmio_readb(opaque, addr + 1); |
---|
2936 | #else |
---|
2937 | v = cirrus_mmio_readb(opaque, addr); |
---|
2938 | v |= cirrus_mmio_readb(opaque, addr + 1) << 8; |
---|
2939 | #endif |
---|
2940 | return v; |
---|
2941 | } |
---|
2942 | |
---|
2943 | static uint32_t cirrus_mmio_readl(void *opaque, target_phys_addr_t addr) |
---|
2944 | { |
---|
2945 | uint32_t v; |
---|
2946 | #ifdef TARGET_WORDS_BIGENDIAN |
---|
2947 | v = cirrus_mmio_readb(opaque, addr) << 24; |
---|
2948 | v |= cirrus_mmio_readb(opaque, addr + 1) << 16; |
---|
2949 | v |= cirrus_mmio_readb(opaque, addr + 2) << 8; |
---|
2950 | v |= cirrus_mmio_readb(opaque, addr + 3); |
---|
2951 | #else |
---|
2952 | v = cirrus_mmio_readb(opaque, addr); |
---|
2953 | v |= cirrus_mmio_readb(opaque, addr + 1) << 8; |
---|
2954 | v |= cirrus_mmio_readb(opaque, addr + 2) << 16; |
---|
2955 | v |= cirrus_mmio_readb(opaque, addr + 3) << 24; |
---|
2956 | #endif |
---|
2957 | return v; |
---|
2958 | } |
---|
2959 | |
---|
2960 | static void cirrus_mmio_writeb(void *opaque, target_phys_addr_t addr, |
---|
2961 | uint32_t val) |
---|
2962 | { |
---|
2963 | CirrusVGAState *s = (CirrusVGAState *) opaque; |
---|
2964 | |
---|
2965 | addr &= CIRRUS_PNPMMIO_SIZE - 1; |
---|
2966 | |
---|
2967 | if (addr >= 0x100) { |
---|
2968 | cirrus_mmio_blt_write(s, addr - 0x100, val); |
---|
2969 | } else { |
---|
2970 | vga_ioport_write(s, addr + 0x3c0, val); |
---|
2971 | } |
---|
2972 | } |
---|
2973 | |
---|
2974 | static void cirrus_mmio_writew(void *opaque, target_phys_addr_t addr, |
---|
2975 | uint32_t val) |
---|
2976 | { |
---|
2977 | #ifdef TARGET_WORDS_BIGENDIAN |
---|
2978 | cirrus_mmio_writeb(opaque, addr, (val >> 8) & 0xff); |
---|
2979 | cirrus_mmio_writeb(opaque, addr + 1, val & 0xff); |
---|
2980 | #else |
---|
2981 | cirrus_mmio_writeb(opaque, addr, val & 0xff); |
---|
2982 | cirrus_mmio_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
---|
2983 | #endif |
---|
2984 | } |
---|
2985 | |
---|
2986 | static void cirrus_mmio_writel(void *opaque, target_phys_addr_t addr, |
---|
2987 | uint32_t val) |
---|
2988 | { |
---|
2989 | #ifdef TARGET_WORDS_BIGENDIAN |
---|
2990 | cirrus_mmio_writeb(opaque, addr, (val >> 24) & 0xff); |
---|
2991 | cirrus_mmio_writeb(opaque, addr + 1, (val >> 16) & 0xff); |
---|
2992 | cirrus_mmio_writeb(opaque, addr + 2, (val >> 8) & 0xff); |
---|
2993 | cirrus_mmio_writeb(opaque, addr + 3, val & 0xff); |
---|
2994 | #else |
---|
2995 | cirrus_mmio_writeb(opaque, addr, val & 0xff); |
---|
2996 | cirrus_mmio_writeb(opaque, addr + 1, (val >> 8) & 0xff); |
---|
2997 | cirrus_mmio_writeb(opaque, addr + 2, (val >> 16) & 0xff); |
---|
2998 | cirrus_mmio_writeb(opaque, addr + 3, (val >> 24) & 0xff); |
---|
2999 | #endif |
---|
3000 | } |
---|
3001 | |
---|
3002 | |
---|
3003 | static CPUReadMemoryFunc *cirrus_mmio_read[3] = { |
---|
3004 | cirrus_mmio_readb, |
---|
3005 | cirrus_mmio_readw, |
---|
3006 | cirrus_mmio_readl, |
---|
3007 | }; |
---|
3008 | |
---|
3009 | static CPUWriteMemoryFunc *cirrus_mmio_write[3] = { |
---|
3010 | cirrus_mmio_writeb, |
---|
3011 | cirrus_mmio_writew, |
---|
3012 | cirrus_mmio_writel, |
---|
3013 | }; |
---|
3014 | |
---|
3015 | void cirrus_stop_acc(CirrusVGAState *s) |
---|
3016 | { |
---|
3017 | if (s->map_addr){ |
---|
3018 | int error; |
---|
3019 | s->map_addr = 0; |
---|
3020 | error = unset_vram_mapping(s->cirrus_lfb_addr, |
---|
3021 | s->cirrus_lfb_end, s->vram_ptr); |
---|
3022 | fprintf(stderr, "cirrus_stop_acc:unset_vram_mapping.\n"); |
---|
3023 | } |
---|
3024 | } |
---|
3025 | |
---|
3026 | void cirrus_restart_acc(CirrusVGAState *s) |
---|
3027 | { |
---|
3028 | if (s->cirrus_lfb_addr && s->cirrus_lfb_end) { |
---|
3029 | void *vram_pointer, *old_vram; |
---|
3030 | fprintf(stderr, "cirrus_vga_load:re-enable vga acc.lfb_addr=0x%lx, lfb_end=0x%lx.\n", |
---|
3031 | s->cirrus_lfb_addr, s->cirrus_lfb_end); |
---|
3032 | vram_pointer = set_vram_mapping(s->cirrus_lfb_addr ,s->cirrus_lfb_end); |
---|
3033 | if (!vram_pointer){ |
---|
3034 | fprintf(stderr, "cirrus_vga_load:NULL vram_pointer\n"); |
---|
3035 | } else { |
---|
3036 | old_vram = vga_update_vram((VGAState *)s, vram_pointer, |
---|
3037 | VGA_RAM_SIZE); |
---|
3038 | qemu_free(old_vram); |
---|
3039 | s->map_addr = s->cirrus_lfb_addr; |
---|
3040 | s->map_end = s->cirrus_lfb_end; |
---|
3041 | } |
---|
3042 | } |
---|
3043 | } |
---|
3044 | |
---|
3045 | /* load/save state */ |
---|
3046 | |
---|
3047 | static void cirrus_vga_save(QEMUFile *f, void *opaque) |
---|
3048 | { |
---|
3049 | CirrusVGAState *s = opaque; |
---|
3050 | uint8_t vga_acc; |
---|
3051 | |
---|
3052 | qemu_put_be32s(f, &s->latch); |
---|
3053 | qemu_put_8s(f, &s->sr_index); |
---|
3054 | qemu_put_buffer(f, s->sr, 256); |
---|
3055 | qemu_put_8s(f, &s->gr_index); |
---|
3056 | qemu_put_8s(f, &s->cirrus_shadow_gr0); |
---|
3057 | qemu_put_8s(f, &s->cirrus_shadow_gr1); |
---|
3058 | qemu_put_buffer(f, s->gr + 2, 254); |
---|
3059 | qemu_put_8s(f, &s->ar_index); |
---|
3060 | qemu_put_buffer(f, s->ar, 21); |
---|
3061 | qemu_put_be32s(f, &s->ar_flip_flop); |
---|
3062 | qemu_put_8s(f, &s->cr_index); |
---|
3063 | qemu_put_buffer(f, s->cr, 256); |
---|
3064 | qemu_put_8s(f, &s->msr); |
---|
3065 | qemu_put_8s(f, &s->fcr); |
---|
3066 | qemu_put_8s(f, &s->st00); |
---|
3067 | qemu_put_8s(f, &s->st01); |
---|
3068 | |
---|
3069 | qemu_put_8s(f, &s->dac_state); |
---|
3070 | qemu_put_8s(f, &s->dac_sub_index); |
---|
3071 | qemu_put_8s(f, &s->dac_read_index); |
---|
3072 | qemu_put_8s(f, &s->dac_write_index); |
---|
3073 | qemu_put_buffer(f, s->dac_cache, 3); |
---|
3074 | qemu_put_buffer(f, s->palette, 768); |
---|
3075 | |
---|
3076 | qemu_put_be32s(f, &s->bank_offset); |
---|
3077 | |
---|
3078 | qemu_put_8s(f, &s->cirrus_hidden_dac_lockindex); |
---|
3079 | qemu_put_8s(f, &s->cirrus_hidden_dac_data); |
---|
3080 | |
---|
3081 | qemu_put_be32s(f, &s->hw_cursor_x); |
---|
3082 | qemu_put_be32s(f, &s->hw_cursor_y); |
---|
3083 | /* XXX: we do not save the bitblt state - we assume we do not save |
---|
3084 | the state when the blitter is active */ |
---|
3085 | |
---|
3086 | vga_acc = (!!s->map_addr); |
---|
3087 | qemu_put_8s(f, &vga_acc); |
---|
3088 | qemu_put_be64s(f, (uint64_t*)&s->cirrus_lfb_addr); |
---|
3089 | qemu_put_be64s(f, (uint64_t*)&s->cirrus_lfb_end); |
---|
3090 | qemu_put_buffer(f, s->vram_ptr, VGA_RAM_SIZE); |
---|
3091 | if (vga_acc) |
---|
3092 | cirrus_stop_acc(s); |
---|
3093 | } |
---|
3094 | |
---|
3095 | static int cirrus_vga_load(QEMUFile *f, void *opaque, int version_id) |
---|
3096 | { |
---|
3097 | CirrusVGAState *s = opaque; |
---|
3098 | uint8_t vga_acc = 0; |
---|
3099 | |
---|
3100 | if (version_id != 1) |
---|
3101 | return -EINVAL; |
---|
3102 | |
---|
3103 | qemu_get_be32s(f, &s->latch); |
---|
3104 | qemu_get_8s(f, &s->sr_index); |
---|
3105 | qemu_get_buffer(f, s->sr, 256); |
---|
3106 | qemu_get_8s(f, &s->gr_index); |
---|
3107 | qemu_get_8s(f, &s->cirrus_shadow_gr0); |
---|
3108 | qemu_get_8s(f, &s->cirrus_shadow_gr1); |
---|
3109 | s->gr[0x00] = s->cirrus_shadow_gr0 & 0x0f; |
---|
3110 | s->gr[0x01] = s->cirrus_shadow_gr1 & 0x0f; |
---|
3111 | qemu_get_buffer(f, s->gr + 2, 254); |
---|
3112 | qemu_get_8s(f, &s->ar_index); |
---|
3113 | qemu_get_buffer(f, s->ar, 21); |
---|
3114 | qemu_get_be32s(f, &s->ar_flip_flop); |
---|
3115 | qemu_get_8s(f, &s->cr_index); |
---|
3116 | qemu_get_buffer(f, s->cr, 256); |
---|
3117 | qemu_get_8s(f, &s->msr); |
---|
3118 | qemu_get_8s(f, &s->fcr); |
---|
3119 | qemu_get_8s(f, &s->st00); |
---|
3120 | qemu_get_8s(f, &s->st01); |
---|
3121 | |
---|
3122 | qemu_get_8s(f, &s->dac_state); |
---|
3123 | qemu_get_8s(f, &s->dac_sub_index); |
---|
3124 | qemu_get_8s(f, &s->dac_read_index); |
---|
3125 | qemu_get_8s(f, &s->dac_write_index); |
---|
3126 | qemu_get_buffer(f, s->dac_cache, 3); |
---|
3127 | qemu_get_buffer(f, s->palette, 768); |
---|
3128 | |
---|
3129 | qemu_get_be32s(f, &s->bank_offset); |
---|
3130 | |
---|
3131 | qemu_get_8s(f, &s->cirrus_hidden_dac_lockindex); |
---|
3132 | qemu_get_8s(f, &s->cirrus_hidden_dac_data); |
---|
3133 | |
---|
3134 | qemu_get_be32s(f, &s->hw_cursor_x); |
---|
3135 | qemu_get_be32s(f, &s->hw_cursor_y); |
---|
3136 | |
---|
3137 | qemu_get_8s(f, &vga_acc); |
---|
3138 | qemu_get_be64s(f, (uint64_t*)&s->cirrus_lfb_addr); |
---|
3139 | qemu_get_be64s(f, (uint64_t*)&s->cirrus_lfb_end); |
---|
3140 | qemu_get_buffer(f, s->vram_ptr, VGA_RAM_SIZE); |
---|
3141 | if (vga_acc){ |
---|
3142 | cirrus_restart_acc(s); |
---|
3143 | } |
---|
3144 | |
---|
3145 | /* force refresh */ |
---|
3146 | s->graphic_mode = -1; |
---|
3147 | cirrus_update_bank_ptr(s, 0); |
---|
3148 | cirrus_update_bank_ptr(s, 1); |
---|
3149 | return 0; |
---|
3150 | } |
---|
3151 | |
---|
3152 | /*************************************** |
---|
3153 | * |
---|
3154 | * initialize |
---|
3155 | * |
---|
3156 | ***************************************/ |
---|
3157 | |
---|
3158 | static void cirrus_init_common(CirrusVGAState * s, int device_id, int is_pci) |
---|
3159 | { |
---|
3160 | int vga_io_memory, i; |
---|
3161 | static int inited; |
---|
3162 | |
---|
3163 | if (!inited) { |
---|
3164 | inited = 1; |
---|
3165 | for(i = 0;i < 256; i++) |
---|
3166 | rop_to_index[i] = CIRRUS_ROP_NOP_INDEX; /* nop rop */ |
---|
3167 | rop_to_index[CIRRUS_ROP_0] = 0; |
---|
3168 | rop_to_index[CIRRUS_ROP_SRC_AND_DST] = 1; |
---|
3169 | rop_to_index[CIRRUS_ROP_NOP] = 2; |
---|
3170 | rop_to_index[CIRRUS_ROP_SRC_AND_NOTDST] = 3; |
---|
3171 | rop_to_index[CIRRUS_ROP_NOTDST] = 4; |
---|
3172 | rop_to_index[CIRRUS_ROP_SRC] = 5; |
---|
3173 | rop_to_index[CIRRUS_ROP_1] = 6; |
---|
3174 | rop_to_index[CIRRUS_ROP_NOTSRC_AND_DST] = 7; |
---|
3175 | rop_to_index[CIRRUS_ROP_SRC_XOR_DST] = 8; |
---|
3176 | rop_to_index[CIRRUS_ROP_SRC_OR_DST] = 9; |
---|
3177 | rop_to_index[CIRRUS_ROP_NOTSRC_OR_NOTDST] = 10; |
---|
3178 | rop_to_index[CIRRUS_ROP_SRC_NOTXOR_DST] = 11; |
---|
3179 | rop_to_index[CIRRUS_ROP_SRC_OR_NOTDST] = 12; |
---|
3180 | rop_to_index[CIRRUS_ROP_NOTSRC] = 13; |
---|
3181 | rop_to_index[CIRRUS_ROP_NOTSRC_OR_DST] = 14; |
---|
3182 | rop_to_index[CIRRUS_ROP_NOTSRC_AND_NOTDST] = 15; |
---|
3183 | } |
---|
3184 | |
---|
3185 | register_ioport_write(0x3c0, 16, 1, vga_ioport_write, s); |
---|
3186 | |
---|
3187 | register_ioport_write(0x3b4, 2, 1, vga_ioport_write, s); |
---|
3188 | register_ioport_write(0x3d4, 2, 1, vga_ioport_write, s); |
---|
3189 | register_ioport_write(0x3ba, 1, 1, vga_ioport_write, s); |
---|
3190 | register_ioport_write(0x3da, 1, 1, vga_ioport_write, s); |
---|
3191 | |
---|
3192 | register_ioport_read(0x3c0, 16, 1, vga_ioport_read, s); |
---|
3193 | |
---|
3194 | register_ioport_read(0x3b4, 2, 1, vga_ioport_read, s); |
---|
3195 | register_ioport_read(0x3d4, 2, 1, vga_ioport_read, s); |
---|
3196 | register_ioport_read(0x3ba, 1, 1, vga_ioport_read, s); |
---|
3197 | register_ioport_read(0x3da, 1, 1, vga_ioport_read, s); |
---|
3198 | |
---|
3199 | vga_io_memory = cpu_register_io_memory(0, cirrus_vga_mem_read, |
---|
3200 | cirrus_vga_mem_write, s); |
---|
3201 | cpu_register_physical_memory(isa_mem_base + 0x000a0000, 0x20000, |
---|
3202 | vga_io_memory); |
---|
3203 | |
---|
3204 | s->sr[0x06] = 0x0f; |
---|
3205 | if (device_id == CIRRUS_ID_CLGD5446) { |
---|
3206 | /* 4MB 64 bit memory config, always PCI */ |
---|
3207 | s->sr[0x1F] = 0x2d; // MemClock |
---|
3208 | s->gr[0x18] = 0x0f; // fastest memory configuration |
---|
3209 | #if 1 |
---|
3210 | s->sr[0x0f] = 0x98; |
---|
3211 | s->sr[0x17] = 0x20; |
---|
3212 | s->sr[0x15] = 0x04; /* memory size, 3=2MB, 4=4MB */ |
---|
3213 | s->real_vram_size = 4096 * 1024; |
---|
3214 | #else |
---|
3215 | s->sr[0x0f] = 0x18; |
---|
3216 | s->sr[0x17] = 0x20; |
---|
3217 | s->sr[0x15] = 0x03; /* memory size, 3=2MB, 4=4MB */ |
---|
3218 | s->real_vram_size = 2048 * 1024; |
---|
3219 | #endif |
---|
3220 | } else { |
---|
3221 | s->sr[0x1F] = 0x22; // MemClock |
---|
3222 | s->sr[0x0F] = CIRRUS_MEMSIZE_2M; |
---|
3223 | if (is_pci) |
---|
3224 | s->sr[0x17] = CIRRUS_BUSTYPE_PCI; |
---|
3225 | else |
---|
3226 | s->sr[0x17] = CIRRUS_BUSTYPE_ISA; |
---|
3227 | s->real_vram_size = 2048 * 1024; |
---|
3228 | s->sr[0x15] = 0x03; /* memory size, 3=2MB, 4=4MB */ |
---|
3229 | } |
---|
3230 | s->cr[0x27] = device_id; |
---|
3231 | |
---|
3232 | /* Win2K seems to assume that the pattern buffer is at 0xff |
---|
3233 | initially ! */ |
---|
3234 | memset(s->vram_ptr, 0xff, s->real_vram_size); |
---|
3235 | |
---|
3236 | s->cirrus_hidden_dac_lockindex = 5; |
---|
3237 | s->cirrus_hidden_dac_data = 0; |
---|
3238 | |
---|
3239 | /* I/O handler for LFB */ |
---|
3240 | s->cirrus_linear_io_addr = |
---|
3241 | cpu_register_io_memory(0, cirrus_linear_read, cirrus_linear_write, |
---|
3242 | s); |
---|
3243 | s->cirrus_linear_write = cpu_get_io_memory_write(s->cirrus_linear_io_addr); |
---|
3244 | |
---|
3245 | /* I/O handler for LFB */ |
---|
3246 | s->cirrus_linear_bitblt_io_addr = |
---|
3247 | cpu_register_io_memory(0, cirrus_linear_bitblt_read, cirrus_linear_bitblt_write, |
---|
3248 | s); |
---|
3249 | |
---|
3250 | /* I/O handler for memory-mapped I/O */ |
---|
3251 | s->cirrus_mmio_io_addr = |
---|
3252 | cpu_register_io_memory(0, cirrus_mmio_read, cirrus_mmio_write, s); |
---|
3253 | |
---|
3254 | /* XXX: s->vram_size must be a power of two */ |
---|
3255 | s->cirrus_addr_mask = s->real_vram_size - 1; |
---|
3256 | s->linear_mmio_mask = s->real_vram_size - 256; |
---|
3257 | |
---|
3258 | s->get_bpp = cirrus_get_bpp; |
---|
3259 | s->get_offsets = cirrus_get_offsets; |
---|
3260 | s->get_resolution = cirrus_get_resolution; |
---|
3261 | s->cursor_invalidate = cirrus_cursor_invalidate; |
---|
3262 | s->cursor_draw_line = cirrus_cursor_draw_line; |
---|
3263 | |
---|
3264 | register_savevm("cirrus_vga", 0, 1, cirrus_vga_save, cirrus_vga_load, s); |
---|
3265 | } |
---|
3266 | |
---|
3267 | /*************************************** |
---|
3268 | * |
---|
3269 | * ISA bus support |
---|
3270 | * |
---|
3271 | ***************************************/ |
---|
3272 | |
---|
3273 | void isa_cirrus_vga_init(DisplayState *ds, uint8_t *vga_ram_base, |
---|
3274 | unsigned long vga_ram_offset, int vga_ram_size) |
---|
3275 | { |
---|
3276 | CirrusVGAState *s; |
---|
3277 | |
---|
3278 | s = qemu_mallocz(sizeof(CirrusVGAState)); |
---|
3279 | |
---|
3280 | vga_common_init((VGAState *)s, |
---|
3281 | ds, vga_ram_base, vga_ram_offset, vga_ram_size); |
---|
3282 | cirrus_init_common(s, CIRRUS_ID_CLGD5430, 0); |
---|
3283 | /* XXX ISA-LFB support */ |
---|
3284 | } |
---|
3285 | |
---|
3286 | /*************************************** |
---|
3287 | * |
---|
3288 | * PCI bus support |
---|
3289 | * |
---|
3290 | ***************************************/ |
---|
3291 | |
---|
3292 | static void cirrus_pci_lfb_map(PCIDevice *d, int region_num, |
---|
3293 | uint32_t addr, uint32_t size, int type) |
---|
3294 | { |
---|
3295 | CirrusVGAState *s = &((PCICirrusVGAState *)d)->cirrus_vga; |
---|
3296 | |
---|
3297 | /* XXX: add byte swapping apertures */ |
---|
3298 | cpu_register_physical_memory(addr, s->vram_size, |
---|
3299 | s->cirrus_linear_io_addr); |
---|
3300 | s->cirrus_lfb_addr = addr; |
---|
3301 | s->cirrus_lfb_end = addr + VGA_RAM_SIZE; |
---|
3302 | |
---|
3303 | if (s->map_addr && (s->cirrus_lfb_addr != s->map_addr) && |
---|
3304 | (s->cirrus_lfb_end != s->map_end)) |
---|
3305 | fprintf(logfile, "cirrus vga map change while on lfb mode\n"); |
---|
3306 | |
---|
3307 | cpu_register_physical_memory(addr + 0x1000000, 0x400000, |
---|
3308 | s->cirrus_linear_bitblt_io_addr); |
---|
3309 | } |
---|
3310 | |
---|
3311 | static void cirrus_pci_mmio_map(PCIDevice *d, int region_num, |
---|
3312 | uint32_t addr, uint32_t size, int type) |
---|
3313 | { |
---|
3314 | CirrusVGAState *s = &((PCICirrusVGAState *)d)->cirrus_vga; |
---|
3315 | |
---|
3316 | cpu_register_physical_memory(addr, CIRRUS_PNPMMIO_SIZE, |
---|
3317 | s->cirrus_mmio_io_addr); |
---|
3318 | } |
---|
3319 | |
---|
3320 | void pci_cirrus_vga_init(PCIBus *bus, DisplayState *ds, uint8_t *vga_ram_base, |
---|
3321 | unsigned long vga_ram_offset, int vga_ram_size) |
---|
3322 | { |
---|
3323 | PCICirrusVGAState *d; |
---|
3324 | uint8_t *pci_conf; |
---|
3325 | CirrusVGAState *s; |
---|
3326 | int device_id; |
---|
3327 | |
---|
3328 | device_id = CIRRUS_ID_CLGD5446; |
---|
3329 | |
---|
3330 | /* setup PCI configuration registers */ |
---|
3331 | d = (PCICirrusVGAState *)pci_register_device(bus, "Cirrus VGA", |
---|
3332 | sizeof(PCICirrusVGAState), |
---|
3333 | -1, NULL, NULL); |
---|
3334 | pci_conf = d->dev.config; |
---|
3335 | pci_conf[0x00] = (uint8_t) (PCI_VENDOR_CIRRUS & 0xff); |
---|
3336 | pci_conf[0x01] = (uint8_t) (PCI_VENDOR_CIRRUS >> 8); |
---|
3337 | pci_conf[0x02] = (uint8_t) (device_id & 0xff); |
---|
3338 | pci_conf[0x03] = (uint8_t) (device_id >> 8); |
---|
3339 | pci_conf[0x04] = PCI_COMMAND_IOACCESS | PCI_COMMAND_MEMACCESS; |
---|
3340 | pci_conf[0x0a] = PCI_CLASS_SUB_VGA; |
---|
3341 | pci_conf[0x0b] = PCI_CLASS_BASE_DISPLAY; |
---|
3342 | pci_conf[0x0e] = PCI_CLASS_HEADERTYPE_00h; |
---|
3343 | pci_conf[0x2c] = 0x53; /* subsystem vendor: XenSource */ |
---|
3344 | pci_conf[0x2d] = 0x58; |
---|
3345 | pci_conf[0x2e] = 0x01; /* subsystem device */ |
---|
3346 | pci_conf[0x2f] = 0x00; |
---|
3347 | |
---|
3348 | /* setup VGA */ |
---|
3349 | s = &d->cirrus_vga; |
---|
3350 | vga_common_init((VGAState *)s, |
---|
3351 | ds, vga_ram_base, vga_ram_offset, vga_ram_size); |
---|
3352 | cirrus_init_common(s, device_id, 1); |
---|
3353 | |
---|
3354 | register_savevm("cirrus_vga_pci", 0, 1, generic_pci_save, generic_pci_load, d); |
---|
3355 | |
---|
3356 | /* setup memory space */ |
---|
3357 | /* memory #0 LFB */ |
---|
3358 | /* memory #1 memory-mapped I/O */ |
---|
3359 | /* XXX: s->vram_size must be a power of two */ |
---|
3360 | pci_register_io_region((PCIDevice *)d, 0, 0x2000000, |
---|
3361 | PCI_ADDRESS_SPACE_MEM_PREFETCH, cirrus_pci_lfb_map); |
---|
3362 | if (device_id == CIRRUS_ID_CLGD5446) { |
---|
3363 | pci_register_io_region((PCIDevice *)d, 1, CIRRUS_PNPMMIO_SIZE, |
---|
3364 | PCI_ADDRESS_SPACE_MEM, cirrus_pci_mmio_map); |
---|
3365 | } |
---|
3366 | /* XXX: ROM BIOS */ |
---|
3367 | } |
---|