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Rev 4788 Rev 5166
Line 222... Line 222...
222 
        mov     ch, [V_Dev]
 222 
        mov     ch, [V_Dev]
223 
        mov     cl, 0                   ; offset to device/vendor id
 223 
        mov     cl, 0                   ; offset to device/vendor id
224 
        mcall   62                      ; get ID's
 224 
        mcall   62                      ; get ID's
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 225 
 
226 
        cmp     ax, 0                   ; Vendor ID should not be 0 or 0xFFFF
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        cmp     ax, 0                   ; Vendor ID should not be 0 or 0xFFFF
227 
        je      nextDev                 ; check next device if nothing exists here
 - 
 
228 
 
 227 
        je      .nextDev                ; check next device if nothing exists here
229 
        cmp     ax, 0xffff              ;
 228 
        cmp     ax, 0xffff              ;
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        je      nextDev                 ;
 229 
        je      .nextDev                ;
231 
 
 230 
 
232 
        mov     [PCI_Vendor], ax        ; There is a device here, save the ID's
 231 
        mov     [PCI_Vendor], ax        ; There is a device here, save the ID's
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        shr     eax, 16                 ;
 232 
        shr     eax, 16                 ;
234 
        mov     [PCI_Device], ax        ;
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        mov     [PCI_Device], ax        ;
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        mov     bl, 4                   ; Read config byte
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        mov     bl, 4                   ; Read config byte
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        mov     bh, [V_Bus]             ; Bus #
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        mov     bh, [V_Bus]             ; Bus #
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        mov     ch, [V_Dev]             ; Device # on bus
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        mov     ch, [V_Dev]             ; Device # on bus
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        mov     cl, 0x08                ; Register to read (Get Revision)
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        mov     cl, 0x08                ; Register to read (Get Revision)
- 
 
 238 
        mcall   62                      ; Read it
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        mcall   62                      ; Read it
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        mov     [PCI_Rev], al           ; Save it
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        mov     [PCI_Rev], al           ; Save it
 240 
 
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        mov     cl, 0x0b                ; Register to read (Get class)
 - 
 
242 
        mcall   62                      ; Read it
 241 
        mov     cl, 0x0b                ; Register to read (Get class)
- 
 
 242 
        mcall   62                      ; Read it
243
243 
        mov     [PCI_Class], al         ; Save it
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        mov     [PCI_Class], al         ; Save it
 244 
 
245 
        mov     cl, 0x0a                ; Register to read (Get Subclass)
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        mov     cl, 0x0a                ; Register to read (Get Subclass)
- 
 
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        mcall   62                      ; Read it
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        mcall   62                      ; Read it
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        mov     [PCI_SubClass], al      ; Save it
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        mov     [PCI_SubClass], al      ; Save it
 248 
 
248 
        mov     cl, 0x09                ; Register to read (Get Interface)
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        mov     cl, 0x09                ; Register to read (Get Interface)
- 
 
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        mcall   62                      ; Read it
249 
        mcall   62                      ; Read it
 251 
        mov     [PCI_Interface], al     ; Save it
250 
        mov     [PCI_Interface], al     ; Save it
 252 
 
251 
        mov     cl, 0x3c                ; Register to read (Get IRQ)
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        mov     cl, 0x3c                ; Register to read (Get IRQ)
Line -... Line 254...
- 
 
 254 
        mcall   62                      ; Read it
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@@:     mcall   62                      ; Read it
 255 
        mov     [PCI_IRQ], al           ; Save it
253 
        mov     [PCI_IRQ], al           ; Save it
 256 
 
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 257 
; Could it be a network card?
255 
        cmp     [PCI_Class], 2          ; network controller
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        cmp     [PCI_Class], 2          ; network controller
256 
        je      @f
 259 
        je      .found
257 
 
 260 
 
258 
        cmp     [PCI_Class], 6          ; bridge type device
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        cmp     [PCI_Class], 6          ; bridge type device
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        jne     nextDev
 262 
        jne     .nextDev
260 
        cmp     [PCI_SubClass], 0x80    ; PCI-other bridge (for nvidia chipset)
 - 
 
Line -... Line 263...
- 
 
 263 
        cmp     [PCI_SubClass], 0x80    ; PCI-other bridge (for nvidia chipset)
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        jne     nextDev
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        jne     .nextDev
262 
        cmp     [PCI_Vendor], 0x10DE    ; nvidia
 265 
        cmp     [PCI_Vendor], 0x10DE    ; nvidia
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        jne     nextDev
 - 
 
264 
       @@:
 - 
 
265 
 
 - 
 
266 
        cmp     byte[param], 0
 - 
 
267 
        jne     load_and_start
 266 
        jne     .nextDev
268 
 
 - 
 
269 
        mov     cl, 0x0e
 - 
 
270 
        mcall   62
 - 
 
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267 
 
272 
        push    eax
 268 
  .found:
273 
        call    Print_New_Device        ; print device info to screen
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        cmp     byte[param], 0          ; Load network driver immediately?
- 
 
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        jne     load_and_start
- 
 
 271 
 
- 
 
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        call    Print_New_Device        ; print device info to screen
- 
 
 273 
 
- 
 
 274 
  .nextDev:
- 
 
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        test    [V_Dev], 7
- 
 
 276 
        jnz     .nextFn
- 
 
 277 
 
- 
 
 278 
; Is this a multifunction device?
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- 
 
 279 
        mov     bl, 4                   ; Read config byte
274 
        pop     eax
 280 
        mov     bh, [V_Bus]             ; Bus #
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        test    al, al
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        mov     ch, [V_Dev]             ; Device # on bus
276 
        js      nextDev
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        mov     cl, 0x0e
277 
 
 283 
        mcall   62
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nextdev2:
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        test    al, al
279 
        test    [V_Dev], 7
 285 
        js      .nextFn
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 325 
 
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        mcall   68, 17, IOCTL
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        mcall   68, 17, IOCTL
321 
 
 327 
 
322 
       .next:
 328 
       .next:
323 
        cmp     byte[param], 'A'
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        cmp     byte[param], 'A'
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        je      nextdev2
 330 
        je      Start_Enum.nextDev