| 224,10 → 224,9 |
|---|
| mcall 62 ; get ID's |
| |
| cmp ax, 0 ; Vendor ID should not be 0 or 0xFFFF |
| je nextDev ; check next device if nothing exists here |
| |
| je .nextDev ; check next device if nothing exists here |
| cmp ax, 0xffff ; |
| je nextDev ; |
| je .nextDev ; |
| |
| mov [PCI_Vendor], ax ; There is a device here, save the ID's |
| shr eax, 16 ; |
| 238,50 → 237,57 |
|---|
| mov cl, 0x08 ; Register to read (Get Revision) |
| mcall 62 ; Read it |
| mov [PCI_Rev], al ; Save it |
| |
| mov cl, 0x0b ; Register to read (Get class) |
| mcall 62 ; Read it |
| mov [PCI_Class], al ; Save it |
| |
| mov [PCI_Class], al ; Save it |
| mov cl, 0x0a ; Register to read (Get Subclass) |
| mcall 62 ; Read it |
| mov [PCI_SubClass], al ; Save it |
| |
| mov cl, 0x09 ; Register to read (Get Interface) |
| mcall 62 ; Read it |
| mov [PCI_Interface], al ; Save it |
| |
| mov cl, 0x3c ; Register to read (Get IRQ) |
| @@: mcall 62 ; Read it |
| mcall 62 ; Read it |
| mov [PCI_IRQ], al ; Save it |
| |
| ; Could it be a network card? |
| cmp [PCI_Class], 2 ; network controller |
| je @f |
| je .found |
| |
| cmp [PCI_Class], 6 ; bridge type device |
| jne nextDev |
| jne .nextDev |
| cmp [PCI_SubClass], 0x80 ; PCI-other bridge (for nvidia chipset) |
| jne nextDev |
| jne .nextDev |
| cmp [PCI_Vendor], 0x10DE ; nvidia |
| jne nextDev |
| @@: |
| jne .nextDev |
| |
| cmp byte[param], 0 |
| .found: |
| cmp byte[param], 0 ; Load network driver immediately? |
| jne load_and_start |
| |
| call Print_New_Device ; print device info to screen |
| |
| .nextDev: |
| test [V_Dev], 7 |
| jnz .nextFn |
| |
| ; Is this a multifunction device? |
| mov bl, 4 ; Read config byte |
| mov bh, [V_Bus] ; Bus # |
| mov ch, [V_Dev] ; Device # on bus |
| mov cl, 0x0e |
| mcall 62 |
| |
| push eax |
| call Print_New_Device ; print device info to screen |
| pop eax |
| test al, al |
| js nextDev |
| js .nextFn |
| |
| nextdev2: |
| test [V_Dev], 7 |
| jnz nextDev |
| |
| ; Not a multifunction device, go to the next device |
| or [V_Dev], 7 |
| |
| nextDev: |
| .nextFn: |
| inc [V_Dev] ; lower 3 bits are the function number |
| jnz Start_Enum ; jump until we reach zero |
| |
| 321,7 → 327,7 |
|---|
| |
| .next: |
| cmp byte[param], 'A' |
| je nextdev2 |
| je Start_Enum.nextDev |
| jmp exit |
| |
| |