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Rev | Author | Line No. | Line |
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1 | ha | 1 | ; |
2 | ; MEMORY MAP |
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3 | ; |
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4 | ; Boot: |
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5 | ; |
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6 | ; 0:9000 byte bits per pixel |
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7 | ; 0:9001 word scanline length |
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8 | ; 0:9008 word vesa video mode |
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9 | ; 0:900A word X res |
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10 | ; 0:900C word Y res |
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11 | ; 0:9010 byte mouse port - not used |
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12 | ; 0:9014 dword Vesa 1.2 pm bank switch |
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13 | ; 0:9018 dword Vesa 2.0 LFB address |
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14 | ; 0:901C byte 0 or 1 : enable MTRR graphics acceleration |
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15 | ; 0:901D byte not used anymore (0 or 1 : enable system log display) |
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16 | ; 0:901E byte 0 or 1 : enable direct lfb write, paging disabled |
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17 | ; 0:9020 8bytes pci data |
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18 | ; 0:9030 byte VRR start enabled 1, 2-no |
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19 | ; 0:9031 word IDEContrRegsBaseAddr |
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76 | mario79 | 20 | ; 0x9040 - dword - entry point of APM BIOS |
21 | ; 0x9044 - word - version (BCD) |
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22 | ; 0x9046 - word - flags |
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1 | ha | 23 | ; |
24 | ; Runtime: |
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25 | ; |
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14 | poddubny | 26 | ; 0000 -> 1FFF window_data - 256 entries |
1 | ha | 27 | ; |
28 | ; 0000 dword x start |
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29 | ; 0004 dword y start |
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30 | ; 0008 dword x size |
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31 | ; 000C dword y size |
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32 | ; 0010 dword color of work area |
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33 | ; 0014 dword color of grab bar |
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34 | ; 0018 dword color of frames |
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35 | ; 001C dword window flags, +30 = window drawn, +31 redraw flag |
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36 | ; |
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14 | poddubny | 37 | ; 2000 -> 2FFF free |
38 | ; |
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1 | ha | 39 | ; 3000 -> 4FFF task list - 256 entries |
40 | ; |
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41 | ; 00 dword process count |
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42 | ; 04 dword no of processes |
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43 | ; 10 dword base of running process at 0x3000+ |
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44 | ; |
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45 | ; 20 dword application event mask |
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46 | ; 24 dword PID - process identification number |
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66 | diamond | 47 | ; 2a word 0, state 1,2=suspended 3=zombie, 4=terminate |
1 | ha | 48 | ; 2e byte window number on screen |
49 | ; 30 dword exact position in memory |
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50 | ; 34 dword counter sum |
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51 | ; 38 dword time stamp counter add |
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52 | ; 3c dword cpu usage in cpu timer tics |
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53 | ; |
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54 | ; |
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55 | ; 5000 -> 5FFF save_syscall_data - syscall trace |
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6 | poddubny | 56 | ; 6000 -> 68FF free |
1 | ha | 57 | ; 6900 -> 6EFF saved picture under mouse pointer |
58 | ; |
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33 | mario79 | 59 | ; 6F00 -> 6FFF free |
1 | ha | 60 | ; |
33 | mario79 | 61 | ; 7000 -> 7FFF used CD driver |
62 | ; |
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1 | ha | 63 | ; 8000 -> A3FF used FLOPPY driver |
64 | ; |
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102 | poddubny | 65 | ; A400 -> B0FF free |
8 | poddubny | 66 | |
1 | ha | 67 | ; B100 -> B2FF IDT |
68 | |||
8 | poddubny | 69 | ; B300 -> BFFF free |
70 | |||
1 | ha | 71 | ; C000 -> C3FF window stack C000 no of windows - all in words |
72 | ; C402 -> C7FF window position in stack |
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73 | ; D000 -> D1FF FDC controller |
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74 | ; D200 -> D3FF FDC controller for Fat12 |
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75 | ; D400 -> DFFF free |
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76 | ; E000 byte multitasking started |
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77 | ; E020 dword putpixel address |
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78 | ; E024 dword getpixel address |
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79 | ; E030 dword Vesa 1.2 pm bank switch address |
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80 | ; F200 dword mousepicture -pointer |
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81 | ; F204 dword mouse appearance counter |
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82 | ; F300 dword x & y temp for windowmove |
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83 | ; F400 byte no of keys in buffer |
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84 | ; F401 byte 'buffer' |
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85 | ; F402 -> F4FF reserved for keys |
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86 | ; F500 byte no of buttons in buffer |
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87 | ; F501 dword 'buffer' |
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88 | ; F502 -> F5FF reserved for buttons |
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89 | ; F600 dword tsc / second |
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90 | ; F604 byte mouse port: 1 ps2, 2 com1, 3 com2 |
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91 | ; FB00 -> FB0F mouse memory 00 chunk count - FB0A-B x - FB0C-D y |
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92 | ; FB10 -> FB17 mouse color mem |
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93 | ; FB21 x move |
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94 | ; FB22 y move |
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95 | ; FB28 high bits temp |
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96 | ; FB30 color temp |
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97 | ; FB40 byte buttons down |
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98 | ; FB44 byte 0 mouse down -> do not draw |
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99 | ; FB4A -> FB4D FB4A-B x-under - FB4C-D y-under |
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100 | ; FBF1 byte bits per pixel |
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101 | ; FC00 -> FCFE com1/ps2 buffer |
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102 | ; FCFF com1/ps2 buffer count starting from FC00 |
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103 | ; FE00 dword screen x size |
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104 | ; FE04 dword screen y size |
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105 | ; FE08 dword screen y multiplier |
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106 | ; FE0C dword screen mode |
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107 | ; FE10 dword entries in hd cache |
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108 | ; FE80 dword address of LFB in physical |
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109 | ; FE84 dword address of applications memory start in physical |
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110 | ; FE88 dword address of button list |
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111 | ; FE8C dword memory to use |
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112 | ; FF00 byte 1 = system shutdown request |
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113 | ; FF01 dword if >1 then activate process |
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114 | ; FFF0 byte 1 = redraw background request from app |
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115 | ; FFF1 byte 1 = diskette int occur |
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116 | ; FFF2 write and read bank in screen |
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117 | ; FFF4 byte 0 if first mouse draw & do not return picture under |
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118 | ; FFF5 byte 1 do not draw pointer |
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119 | ; FFFF byte do not change task for 1/100 sec. |
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120 | ; |
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13 | poddubny | 121 | ; 10000 -> 3DBFF kernel, 32-bit run-time code (up to 183 Kb) |
122 | ; 3DC00 -> 3EBFF stack at boot time (4Kb) |
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12 | halyavin | 123 | ; 3EC00 -> 3F5FF basic text font II |
124 | ; 3F600 -> 3FFFF basic text font I |
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1 | ha | 125 | ; 40000 -> 4FFFF data of retrieved disks and partitions (Mario79) |
22 | poddubny | 126 | |
127 | ; 50000 -> 5FFFF free (64 Kb) |
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128 | |||
69 | poddubny | 129 | ; 60000 -> 7FFFF reserved to physical memory manager |
1 | ha | 130 | ; 80000 -> 8FFFF additional app info, in 256 byte steps - 256 entries |
131 | ; |
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132 | ; 00 11db name of app running |
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133 | ; 10 108db floating point unit save area |
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134 | ; 7f byte 0= no fpu saved , 1= fpu saved to 0x10 -> restore |
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135 | ; 80 dword address of random shaped window area |
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136 | ; 84 byte shape area scale |
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137 | ; 88 dword used GDT of TSS |
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138 | ; 8C dword application memory size |
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139 | ; 90 dword window X position save |
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140 | ; 94 dword window Y position save |
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141 | ; 98 dword window X size save |
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142 | ; 9C dword window Y size save |
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143 | ; A0 dword IPC memory start |
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144 | ; A4 dword IPC memory size |
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145 | ; A8 dword event bits: mouse, stack,.. |
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66 | diamond | 146 | ; AC dword 0 or debugger slot |
1 | ha | 147 | ; B0 dword int40 handler in use ; 0 if not in use |
148 | ; B4 byte keyboard mode: 0 = keymap, 1 = scancodes |
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12 | halyavin | 149 | ; B8 dword physical address of directory table |
66 | diamond | 150 | ; BC dword address of debug event memory |
151 | ; C0 5 dd thread debug registers: DR0,DR1,DR2,DR3,DR7 |
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1 | ha | 152 | ; |
153 | ; 90000 -> 9FFFF tmp |
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154 | ; A0000 -> AFFFF screen access area |
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155 | ; B0000 -> FFFFF bios rest in peace -area |
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156 | ; 100000 -> 27FFFF diskette image |
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157 | ; 280000 -> 281FFF ramdisk fat |
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158 | ; 282000 -> 283FFF floppy fat |
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159 | ; |
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13 | poddubny | 160 | ; 284000 -> 29FFFF free (112 Kb) |
1 | ha | 161 | ; |
162 | ; 2A0000 -> 2B00ff wav device data |
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163 | ; 2C0000 -> 2C3fff button info |
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164 | ; |
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165 | ; 0000 word number of buttons |
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166 | ; first button entry at 0x10 |
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167 | ; +0000 word process number |
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168 | ; +0002 word button id number : bits 00-15 |
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169 | ; +0004 word x start |
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170 | ; +0006 word x size |
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171 | ; +0008 word y start |
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172 | ; +000A word y size |
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173 | ; +000C word button id number : bits 16-31 |
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174 | ; |
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22 | poddubny | 175 | ; 2C4000 -> 2CFFFF free (48Kb) |
176 | ; |
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1 | ha | 177 | ; 2D0000 -> 2DFFFF reserved port area |
178 | ; |
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179 | ; 0000 dword no of port areas reserved |
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180 | ; 0010 dword process id |
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181 | ; dword start port |
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182 | ; dword end port |
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183 | ; dword 0 |
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184 | ; |
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185 | ; 2E0000 -> 2EFFFF irq data area |
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186 | ; 2F0000 -> 2FFFFF low memory save |
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187 | ; |
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22 | poddubny | 188 | ; 300000 -> 45FFFF background image, max 1,375 M |
1 | ha | 189 | ; |
190 | ; 460000 -> 5FFFFF display info |
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191 | ; |
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192 | ; 600000 -> 6FFFFF hd cache |
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193 | ; |
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194 | ; 700000 -> 71ffff tcp memory (128 kb) |
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10 | poddubny | 195 | ; 720000 -> 75ffff free (256 kb) |
1 | ha | 196 | ; |
197 | ; 760000 -> 76ffff !vrr driver |
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198 | ; 770000 -> 777fff tcp memory ( 32 kb) |
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199 | ; |
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200 | ; 778000 -> 77ffff window skinning ( 32 kb) |
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69 | poddubny | 201 | ; 780000 -> 7fffff reserved to physical memory manager |
1 | ha | 202 | ; |
203 | ; 800000 -> BFFFFF mapped to LFB |
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204 | ; |
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205 | ; |
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206 | ; C00000 -> C01FFF draw_data - 256 entries |
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207 | ; |
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208 | ; 00 dword draw limit - x start |
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209 | ; 04 dword draw limit - y start |
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210 | ; 08 dword draw limit - x end |
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211 | ; 0C dword draw limit - y end |
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212 | ; |
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14 | poddubny | 213 | ; C02000 -> C02fff free (4 Kb) |
214 | ; |
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13 | poddubny | 215 | ; C03000 -> D02fff sysint_stack_data |
216 | ; - ring0 stacks for ring3 processes |
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217 | ; - used for interrupt handling |
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1 | ha | 218 | ; - 256 entries * 4096 step |
219 | ; |
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13 | poddubny | 220 | ; D03000 -> D1ffff free (116 Kb) |
221 | ; |
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6 | poddubny | 222 | ; D20000 -> F28000 TSS and IO map for (8192*8)=65536 ports |
223 | ; (128+8192)*256 = 557956 = 0x88000 |
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1 | ha | 224 | ; |
225 | ; 1000000 -> 3FFFFFF for applications |
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226 | ; |
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227 |