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Rev | Author | Line No. | Line |
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454 | trolly | 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 | include 'proc32.inc' |
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13 | include 'imports.inc' |
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14 | |||
15 | OS_BASE equ 0; |
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16 | new_app_base equ 0x60400000 |
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17 | PROC_BASE equ OS_BASE+0x0080000 |
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18 | |||
19 | struc IOCTL |
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20 | { .handle dd ? |
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21 | .io_code dd ? |
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22 | .input dd ? |
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23 | .inp_size dd ? |
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24 | .output dd ? |
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25 | .out_size dd ? |
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26 | } |
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27 | |||
28 | virtual at 0 |
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29 | IOCTL IOCTL |
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30 | end virtual |
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31 | |||
32 | public START |
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33 | public service_proc |
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34 | public version |
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35 | |||
36 | DEBUG equ 1 |
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37 | |||
38 | DRV_ENTRY equ 1 |
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39 | DRV_EXIT equ -1 |
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40 | STRIDE equ 4 ;size of row in devices table |
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41 | |||
42 | section '.flat' code readable align 16 |
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43 | |||
44 | proc START stdcall, state:dword |
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45 | |||
46 | cmp [state], 1 |
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47 | jne .exit |
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48 | .entry: |
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49 | |||
50 | if DEBUG |
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51 | mov esi, msgInit |
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52 | call SysMsgBoardStr |
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53 | end if |
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54 | |||
55 | stdcall RegService, my_service, service_proc |
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56 | ret |
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57 | .fail: |
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58 | .exit: |
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59 | xor eax, eax |
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60 | ret |
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61 | endp |
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62 | |||
63 | handle equ IOCTL.handle |
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64 | io_code equ IOCTL.io_code |
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65 | input equ IOCTL.input |
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66 | inp_size equ IOCTL.inp_size |
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67 | output equ IOCTL.output |
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68 | out_size equ IOCTL.out_size |
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69 | |||
70 | align 4 |
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71 | proc service_proc stdcall, ioctl:dword |
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72 | |||
73 | ; mov edi, [ioctl] |
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74 | ; mov eax, [edi+io_code] |
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75 | |||
76 | xor eax, eax |
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77 | ret |
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78 | endp |
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79 | |||
80 | restore handle |
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81 | restore io_code |
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82 | restore input |
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83 | restore inp_size |
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84 | restore output |
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85 | restore out_size |
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86 | |||
87 | align 4 |
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88 | proc detect |
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89 | locals |
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90 | last_bus dd ? |
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91 | endl |
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92 | |||
93 | xor eax, eax |
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94 | mov [bus], eax |
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95 | inc eax |
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96 | call PciApi |
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97 | cmp eax, -1 |
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98 | je .err |
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99 | |||
100 | mov [last_bus], eax |
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101 | |||
102 | .next_bus: |
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103 | and [devfn], 0 |
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104 | .next_dev: |
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105 | stdcall PciRead32, [bus], [devfn], dword 0 |
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106 | test eax, eax |
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107 | jz .next |
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108 | cmp eax, -1 |
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109 | je .next |
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110 | |||
111 | mov edi, devices |
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112 | @@: |
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113 | mov ebx, [edi] |
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114 | test ebx, ebx |
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115 | jz .next |
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116 | |||
117 | cmp eax, ebx |
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118 | je .found |
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119 | add edi, STRIDE |
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120 | jmp @B |
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121 | |||
122 | .next: inc [devfn] |
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123 | cmp [devfn], 256 |
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124 | jb .next_dev |
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125 | mov eax, [bus] |
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126 | inc eax |
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127 | mov [bus], eax |
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128 | cmp eax, [last_bus] |
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129 | jna .next_bus |
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130 | xor eax, eax |
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131 | ret |
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132 | .found: |
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133 | xor eax, eax |
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134 | inc eax |
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135 | ret |
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136 | .err: |
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137 | xor eax, eax |
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138 | ret |
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139 | endp |
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140 | |||
141 | |||
142 | ;DEVICE_ID equ ; pci device id |
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143 | ;VENDOR_ID equ ; device vendor id |
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144 | |||
145 | |||
146 | ;all initialized data place here |
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147 | |||
148 | align 4 |
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149 | devices dd (DEVICE_ID shl 16)+VENDOR_ID |
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150 | dd 0 ;terminator |
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151 | |||
152 | version dd 0x00030003 |
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153 | |||
154 | my_service db 'MY_SERVICE',0 ;max 16 chars include zero |
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155 | |||
156 | msgInit db 'detect hardware...',13,10,0 |
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157 | msgPCI db 'PCI accsess not supported',13,10,0 |
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158 | msgFail db 'device not found',13,10,0 |
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159 | |||
160 | section '.data' data readable writable align 16 |
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161 | |||
162 | ;all uninitialized data place here |
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163 |