1 | /** @file
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2 | Graphics Output Protocol functions for the QEMU video controller.
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3 |
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4 | Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
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5 |
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6 | SPDX-License-Identifier: BSD-2-Clause-Patent
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7 |
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8 | **/
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9 |
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10 | #include "Qemu.h"
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11 |
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12 |
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13 | ///
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14 | /// Generic Attribute Controller Register Settings
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15 | ///
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16 | UINT8 AttributeController[21] = {
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17 | 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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18 | 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
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19 | 0x41, 0x00, 0x0F, 0x00, 0x00
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20 | };
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21 |
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22 | ///
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23 | /// Generic Graphics Controller Register Settings
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24 | ///
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25 | UINT8 GraphicsController[9] = {
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26 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F, 0xFF
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27 | };
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28 |
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29 | //
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30 | // 640 x 480 x 256 color @ 60 Hertz
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31 | //
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32 | UINT8 Crtc_640_480_256_60[28] = {
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33 | 0x5d, 0x4f, 0x50, 0x82, 0x53, 0x9f, 0x00, 0x3e,
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34 | 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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35 | 0xe1, 0x83, 0xdf, 0x50, 0x00, 0xe7, 0x04, 0xe3,
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36 | 0xff, 0x00, 0x00, 0x22
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37 | };
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38 |
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39 | UINT8 Crtc_640_480_32bpp_60[28] = {
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40 | 0x5d, 0x4f, 0x50, 0x82, 0x53, 0x9f, 0x00, 0x3e,
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41 | 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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42 | 0xe1, 0x83, 0xdf, 0x40, 0x00, 0xe7, 0x04, 0xe3,
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43 | 0xff, 0x00, 0x00, 0x32
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44 | };
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45 |
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46 | UINT16 Seq_640_480_256_60[15] = {
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47 | 0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
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48 | 0x5b0c, 0x450d, 0x7e0e, 0x2b1b, 0x2f1c, 0x301d, 0x331e
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49 | };
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50 |
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51 | UINT16 Seq_640_480_32bpp_60[15] = {
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52 | 0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1907, 0x0008, 0x4a0b,
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53 | 0x5b0c, 0x450d, 0x7e0e, 0x2b1b, 0x2f1c, 0x301d, 0x331e
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54 | };
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55 |
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56 | //
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57 | // 800 x 600 x 256 color @ 60 Hertz
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58 | //
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59 | UINT8 Crtc_800_600_256_60[28] = {
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60 | 0x7F, 0x63, 0x64, 0x80, 0x6B, 0x1B, 0x72, 0xF0,
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61 | 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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62 | 0x58, 0x8C, 0x57, 0x64, 0x00, 0x5F, 0x91, 0xE3,
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63 | 0xFF, 0x00, 0x00, 0x22
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64 | };
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65 |
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66 | UINT8 Crtc_800_600_32bpp_60[28] = {
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67 | 0x7F, 0x63, 0x64, 0x80, 0x6B, 0x1B, 0x72, 0xF0,
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68 | 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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69 | 0x58, 0x8C, 0x57, 0x90, 0x00, 0x5F, 0x91, 0xE3,
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70 | 0xFF, 0x00, 0x00, 0x32
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71 | };
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72 |
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73 | UINT16 Seq_800_600_256_60[15] = {
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74 | 0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
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75 | 0x5b0c, 0x450d, 0x510e, 0x2b1b, 0x2f1c, 0x301d, 0x3a1e
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76 | };
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77 |
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78 | UINT16 Seq_800_600_32bpp_60[15] = {
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79 | 0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1907, 0x0008, 0x4a0b,
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80 | 0x5b0c, 0x450d, 0x510e, 0x2b1b, 0x2f1c, 0x301d, 0x3a1e
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81 | };
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82 |
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83 | UINT8 Crtc_960_720_32bpp_60[28] = {
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84 | 0xA3, 0x77, 0x80, 0x86, 0x85, 0x96, 0x24, 0xFD,
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85 | 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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86 | 0x02, 0x88, 0xCF, 0xe0, 0x00, 0x00, 0x64, 0xE3,
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87 | 0xFF, 0x4A, 0x00, 0x32
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88 | };
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89 |
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90 | UINT16 Seq_960_720_32bpp_60[15] = {
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91 | 0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1907, 0x0008, 0x4a0b,
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92 | 0x5b0c, 0x450d, 0x760e, 0x2b1b, 0x2f1c, 0x301d, 0x341e
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93 | };
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94 |
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95 | //
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96 | // 1024 x 768 x 256 color @ 60 Hertz
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97 | //
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98 | UINT8 Crtc_1024_768_256_60[28] = {
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99 | 0xA3, 0x7F, 0x80, 0x86, 0x85, 0x96, 0x24, 0xFD,
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100 | 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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101 | 0x02, 0x88, 0xFF, 0x80, 0x00, 0x00, 0x24, 0xE3,
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102 | 0xFF, 0x4A, 0x00, 0x22
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103 | };
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104 |
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105 | UINT16 Seq_1024_768_256_60[15] = {
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106 | 0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
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107 | 0x5b0c, 0x450d, 0x760e, 0x2b1b, 0x2f1c, 0x301d, 0x341e
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108 | };
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109 |
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110 | //
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111 | // 1024 x 768 x 24-bit color @ 60 Hertz
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112 | //
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113 | UINT8 Crtc_1024_768_24bpp_60[28] = {
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114 | 0xA3, 0x7F, 0x80, 0x86, 0x85, 0x96, 0x24, 0xFD,
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115 | 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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116 | 0x02, 0x88, 0xFF, 0x80, 0x00, 0x00, 0x24, 0xE3,
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117 | 0xFF, 0x4A, 0x00, 0x32
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118 | };
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119 |
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120 | UINT16 Seq_1024_768_24bpp_60[15] = {
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121 | 0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1507, 0x0008, 0x4a0b,
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122 | 0x5b0c, 0x450d, 0x760e, 0x2b1b, 0x2f1c, 0x301d, 0x341e
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123 | };
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124 |
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125 | UINT8 Crtc_1024_768_32bpp_60[28] = {
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126 | 0xA3, 0x7F, 0x80, 0x86, 0x85, 0x96, 0x24, 0xFD,
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127 | 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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128 | 0x02, 0x88, 0xFF, 0xe0, 0x00, 0x00, 0x64, 0xE3,
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129 | 0xFF, 0x4A, 0x00, 0x32
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130 | };
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131 |
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132 | UINT16 Seq_1024_768_32bpp_60[15] = {
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133 | 0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1907, 0x0008, 0x4a0b,
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134 | 0x5b0c, 0x450d, 0x760e, 0x2b1b, 0x2f1c, 0x301d, 0x341e
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135 | };
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136 |
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137 | ///
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138 | /// Table of supported video modes
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139 | ///
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140 | QEMU_VIDEO_CIRRUS_MODES QemuVideoCirrusModes[] = {
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141 | // { 640, 480, 8, Crtc_640_480_256_60, Seq_640_480_256_60, 0xe3 },
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142 | // { 800, 600, 8, Crtc_800_600_256_60, Seq_800_600_256_60, 0xef },
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143 | { 640, 480, 32, Crtc_640_480_32bpp_60, Seq_640_480_32bpp_60, 0xef },
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144 | { 800, 600, 32, Crtc_800_600_32bpp_60, Seq_800_600_32bpp_60, 0xef },
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145 | // { 1024, 768, 8, Crtc_1024_768_256_60, Seq_1024_768_256_60, 0xef }
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146 | { 1024, 768, 24, Crtc_1024_768_24bpp_60, Seq_1024_768_24bpp_60, 0xef }
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147 | // { 1024, 768, 32, Crtc_1024_768_32bpp_60, Seq_1024_768_32bpp_60, 0xef }
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148 | // { 960, 720, 32, Crtc_960_720_32bpp_60, Seq_1024_768_32bpp_60, 0xef }
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149 | };
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150 |
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151 | #define QEMU_VIDEO_CIRRUS_MODE_COUNT \
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152 | (ARRAY_SIZE (QemuVideoCirrusModes))
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153 |
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154 | /**
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155 | Construct the valid video modes for QemuVideo.
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156 |
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157 | **/
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158 | EFI_STATUS
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159 | QemuVideoCirrusModeSetup (
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160 | QEMU_VIDEO_PRIVATE_DATA *Private
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161 | )
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162 | {
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163 | UINT32 Index;
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164 | QEMU_VIDEO_MODE_DATA *ModeData;
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165 | QEMU_VIDEO_CIRRUS_MODES *VideoMode;
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166 |
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167 | //
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168 | // Setup Video Modes
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169 | //
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170 | Private->ModeData = AllocatePool (
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171 | sizeof (Private->ModeData[0]) * QEMU_VIDEO_CIRRUS_MODE_COUNT
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172 | );
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173 | if (Private->ModeData == NULL) {
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174 | return EFI_OUT_OF_RESOURCES;
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175 | }
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176 | ModeData = Private->ModeData;
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177 | VideoMode = &QemuVideoCirrusModes[0];
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178 | for (Index = 0; Index < QEMU_VIDEO_CIRRUS_MODE_COUNT; Index ++) {
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179 | ModeData->InternalModeIndex = Index;
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180 | ModeData->HorizontalResolution = VideoMode->Width;
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181 | ModeData->VerticalResolution = VideoMode->Height;
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182 | ModeData->ColorDepth = VideoMode->ColorDepth;
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183 | DEBUG ((DEBUG_INFO,
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184 | "Adding Mode %d as Cirrus Internal Mode %d: %dx%d, %d-bit\n",
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185 | (INT32) (ModeData - Private->ModeData),
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186 | ModeData->InternalModeIndex,
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187 | ModeData->HorizontalResolution,
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188 | ModeData->VerticalResolution,
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189 | ModeData->ColorDepth
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190 | ));
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191 |
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192 | ModeData ++ ;
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193 | VideoMode ++;
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194 | }
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195 | Private->MaxMode = ModeData - Private->ModeData;
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196 |
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197 | return EFI_SUCCESS;
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198 | }
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199 |
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200 | ///
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201 | /// Table of supported video modes
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202 | ///
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203 | QEMU_VIDEO_BOCHS_MODES QemuVideoBochsModes[] = {
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204 | { 640, 480, 32 },
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205 | { 800, 480, 32 },
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206 | { 800, 600, 32 },
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207 | { 832, 624, 32 },
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208 | { 960, 640, 32 },
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209 | { 1024, 600, 32 },
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210 | { 1024, 768, 32 },
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211 | { 1152, 864, 32 },
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212 | { 1152, 870, 32 },
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213 | { 1280, 720, 32 },
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214 | { 1280, 760, 32 },
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215 | { 1280, 768, 32 },
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216 | { 1280, 800, 32 },
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217 | { 1280, 960, 32 },
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218 | { 1280, 1024, 32 },
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219 | { 1360, 768, 32 },
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220 | { 1366, 768, 32 },
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221 | { 1400, 1050, 32 },
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222 | { 1440, 900, 32 },
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223 | { 1600, 900, 32 },
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224 | { 1600, 1200, 32 },
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225 | { 1680, 1050, 32 },
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226 | { 1920, 1080, 32 },
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227 | { 1920, 1200, 32 },
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228 | { 1920, 1440, 32 },
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229 | { 2000, 2000, 32 },
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230 | { 2048, 1536, 32 },
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231 | { 2048, 2048, 32 },
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232 | { 2560, 1440, 32 },
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233 | { 2560, 1600, 32 },
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234 | { 2560, 2048, 32 },
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235 | { 2800, 2100, 32 },
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236 | { 3200, 2400, 32 },
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237 | { 3840, 2160, 32 },
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238 | { 4096, 2160, 32 },
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239 | { 7680, 4320, 32 },
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240 | { 8192, 4320, 32 }
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241 | };
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242 |
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243 | #define QEMU_VIDEO_BOCHS_MODE_COUNT \
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244 | (ARRAY_SIZE (QemuVideoBochsModes))
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245 |
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246 | EFI_STATUS
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247 | QemuVideoBochsModeSetup (
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248 | QEMU_VIDEO_PRIVATE_DATA *Private,
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249 | BOOLEAN IsQxl
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250 | )
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251 | {
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252 | UINT32 AvailableFbSize;
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253 | UINT32 Index;
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254 | QEMU_VIDEO_MODE_DATA *ModeData;
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255 | QEMU_VIDEO_BOCHS_MODES *VideoMode;
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256 |
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257 | //
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258 | // Fetch the available framebuffer size.
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259 | //
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260 | // VBE_DISPI_INDEX_VIDEO_MEMORY_64K is expected to return the size of the
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261 | // drawable framebuffer. Up to and including qemu-2.1 however it used to
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262 | // return the size of PCI BAR 0 (ie. the full video RAM size).
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263 | //
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264 | // On stdvga the two concepts coincide with each other; the full memory size
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265 | // is usable for drawing.
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266 | //
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267 | // On QXL however, only a leading segment, "surface 0", can be used for
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268 | // drawing; the rest of the video memory is used for the QXL guest-host
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269 | // protocol. VBE_DISPI_INDEX_VIDEO_MEMORY_64K should report the size of
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270 | // "surface 0", but since it doesn't (up to and including qemu-2.1), we
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271 | // retrieve the size of the drawable portion from a field in the QXL ROM BAR,
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272 | // where it is also available.
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273 | //
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274 | if (IsQxl) {
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275 | UINT32 Signature;
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276 | UINT32 DrawStart;
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277 |
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278 | Signature = 0;
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279 | DrawStart = 0xFFFFFFFF;
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280 | AvailableFbSize = 0;
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281 | if (EFI_ERROR (
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282 | Private->PciIo->Mem.Read (Private->PciIo, EfiPciIoWidthUint32,
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283 | PCI_BAR_IDX2, 0, 1, &Signature)) ||
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284 | Signature != SIGNATURE_32 ('Q', 'X', 'R', 'O') ||
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285 | EFI_ERROR (
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286 | Private->PciIo->Mem.Read (Private->PciIo, EfiPciIoWidthUint32,
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287 | PCI_BAR_IDX2, 36, 1, &DrawStart)) ||
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288 | DrawStart != 0 ||
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289 | EFI_ERROR (
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290 | Private->PciIo->Mem.Read (Private->PciIo, EfiPciIoWidthUint32,
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291 | PCI_BAR_IDX2, 40, 1, &AvailableFbSize))) {
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292 | DEBUG ((DEBUG_ERROR, "%a: can't read size of drawable buffer from QXL "
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293 | "ROM\n", __FUNCTION__));
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294 | return EFI_NOT_FOUND;
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295 | }
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296 | } else {
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297 | AvailableFbSize = BochsRead (Private, VBE_DISPI_INDEX_VIDEO_MEMORY_64K);
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298 | AvailableFbSize *= SIZE_64KB;
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299 | }
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300 | DEBUG ((DEBUG_INFO, "%a: AvailableFbSize=0x%x\n", __FUNCTION__,
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301 | AvailableFbSize));
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302 |
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303 | //
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304 | // Setup Video Modes
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305 | //
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306 | Private->ModeData = AllocatePool (
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307 | sizeof (Private->ModeData[0]) * QEMU_VIDEO_BOCHS_MODE_COUNT
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308 | );
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309 | if (Private->ModeData == NULL) {
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310 | return EFI_OUT_OF_RESOURCES;
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311 | }
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312 | ModeData = Private->ModeData;
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313 | VideoMode = &QemuVideoBochsModes[0];
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314 | for (Index = 0; Index < QEMU_VIDEO_BOCHS_MODE_COUNT; Index ++) {
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315 | UINTN RequiredFbSize;
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316 |
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317 | ASSERT (VideoMode->ColorDepth % 8 == 0);
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318 | RequiredFbSize = (UINTN) VideoMode->Width * VideoMode->Height *
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319 | (VideoMode->ColorDepth / 8);
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320 | if (RequiredFbSize <= AvailableFbSize) {
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321 | ModeData->InternalModeIndex = Index;
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322 | ModeData->HorizontalResolution = VideoMode->Width;
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323 | ModeData->VerticalResolution = VideoMode->Height;
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324 | ModeData->ColorDepth = VideoMode->ColorDepth;
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325 | DEBUG ((DEBUG_INFO,
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326 | "Adding Mode %d as Bochs Internal Mode %d: %dx%d, %d-bit\n",
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327 | (INT32) (ModeData - Private->ModeData),
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328 | ModeData->InternalModeIndex,
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329 | ModeData->HorizontalResolution,
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330 | ModeData->VerticalResolution,
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331 | ModeData->ColorDepth
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332 | ));
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333 |
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334 | ModeData ++ ;
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335 | }
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336 | VideoMode ++;
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337 | }
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338 | Private->MaxMode = ModeData - Private->ModeData;
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339 |
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340 | return EFI_SUCCESS;
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341 | }
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342 |
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