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Rev | Author | Line No. | Line |
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1159 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
8 | ;driver sceletone |
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9 | |||
10 | format MS COFF |
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11 | |||
12 | DEBUG equ 1 |
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13 | |||
14 | API_VERSION equ 0 ;debug |
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15 | |||
16 | include 'proc32.inc' |
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17 | include 'imports.inc' |
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18 | |||
19 | OS_BASE equ 0; |
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20 | new_app_base equ 0x60400000 |
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21 | PROC_BASE equ OS_BASE+0x0080000 |
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22 | |||
23 | struc IOCTL |
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24 | { .handle dd ? |
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25 | .io_code dd ? |
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26 | .input dd ? |
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27 | .inp_size dd ? |
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28 | .output dd ? |
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29 | .out_size dd ? |
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30 | } |
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31 | |||
32 | virtual at 0 |
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33 | IOCTL IOCTL |
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34 | end virtual |
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35 | |||
36 | public START |
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37 | public service_proc |
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38 | public version |
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39 | |||
40 | DRV_ENTRY equ 1 |
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41 | DRV_EXIT equ -1 |
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42 | STRIDE equ 4 ;size of row in devices table |
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43 | |||
44 | SRV_GETVERSION equ 0 |
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45 | |||
46 | section '.flat' code readable align 16 |
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47 | |||
48 | proc START stdcall, state:dword |
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49 | |||
50 | cmp [state], 1 |
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51 | jne .exit |
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52 | .entry: |
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53 | |||
54 | if DEBUG |
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55 | mov esi, msgInit |
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56 | call SysMsgBoardStr |
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57 | end if |
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58 | |||
59 | stdcall RegService, my_service, service_proc |
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60 | ret |
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61 | .fail: |
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62 | .exit: |
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63 | xor eax, eax |
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64 | ret |
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65 | endp |
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66 | |||
67 | handle equ IOCTL.handle |
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68 | io_code equ IOCTL.io_code |
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69 | input equ IOCTL.input |
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70 | inp_size equ IOCTL.inp_size |
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71 | output equ IOCTL.output |
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72 | out_size equ IOCTL.out_size |
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73 | |||
74 | align 4 |
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75 | proc service_proc stdcall, ioctl:dword |
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76 | |||
77 | mov ebx, [ioctl] |
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78 | mov eax, [ebx+io_code] |
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79 | cmp eax, SRV_GETVERSION |
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80 | jne @F |
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81 | |||
82 | mov eax, [ebx+output] |
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83 | cmp [ebx+out_size], 4 |
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84 | jne .fail |
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85 | mov [eax], dword API_VERSION |
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86 | xor eax, eax |
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87 | ret |
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88 | @@: |
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89 | .fail: |
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90 | or eax, -1 |
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91 | ret |
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92 | endp |
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93 | |||
94 | restore handle |
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95 | restore io_code |
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96 | restore input |
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97 | restore inp_size |
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98 | restore output |
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99 | restore out_size |
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100 | |||
101 | align 4 |
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102 | proc detect |
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103 | locals |
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104 | last_bus dd ? |
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105 | endl |
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106 | |||
107 | xor eax, eax |
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108 | mov [bus], eax |
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109 | inc eax |
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110 | call PciApi |
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111 | cmp eax, -1 |
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112 | je .err |
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113 | |||
114 | mov [last_bus], eax |
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115 | |||
116 | .next_bus: |
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117 | and [devfn], 0 |
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118 | .next_dev: |
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119 | stdcall PciRead32, [bus], [devfn], dword 0 |
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120 | test eax, eax |
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121 | jz .next |
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122 | cmp eax, -1 |
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123 | je .next |
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124 | |||
125 | mov edi, devices |
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126 | @@: |
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127 | mov ebx, [edi] |
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128 | test ebx, ebx |
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129 | jz .next |
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130 | |||
131 | cmp eax, ebx |
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132 | je .found |
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133 | |||
134 | add edi, STRIDE |
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135 | jmp @B |
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136 | .next: |
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137 | inc [devfn] |
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138 | cmp [devfn], 256 |
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139 | jb .next_dev |
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140 | mov eax, [bus] |
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141 | inc eax |
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142 | mov [bus], eax |
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143 | cmp eax, [last_bus] |
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144 | jna .next_bus |
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145 | xor eax, eax |
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146 | ret |
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147 | .found: |
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148 | xor eax, eax |
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149 | inc eax |
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150 | ret |
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151 | .err: |
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152 | xor eax, eax |
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153 | ret |
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154 | endp |
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155 | |||
156 | DEVICE_ID equ 1234; pci device id |
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157 | VENDOR_ID equ 5678; device vendor id |
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158 | |||
159 | |||
160 | ;all initialized data place here |
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161 | |||
162 | align 4 |
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163 | devices dd (DEVICE_ID shl 16)+VENDOR_ID |
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164 | dd 0 ;terminator |
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165 | |||
166 | version dd (5 shl 16) or (API_VERSION and 0xFFFF) |
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167 | |||
168 | my_service db 'MY_SERVICE',0 ;max 16 chars include zero |
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169 | |||
170 | msgInit db 'detect hardware...',13,10,0 |
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171 | msgPCI db 'PCI accsess not supported',13,10,0 |
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172 | msgFail db 'device not found',13,10,0 |
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173 | |||
174 | section '.data' data readable writable align 16 |
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175 | |||
176 | ;all uninitialized data place here |
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177 |