forked from KolibriOS/kolibrios
130 lines
3.7 KiB
PHP
130 lines
3.7 KiB
PHP
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2014. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;; GNU GENERAL PUBLIC LICENSE ;;
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;; Version 2, June 1991 ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; This macro will prepend driver name to all debug output through DEBUGF macro
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; The driver name is taken from my_service label
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if defined my_service
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macro DEBUGF _level,_format, [args] {
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common DEBUGF _level, "%s: " # _format, my_service, args
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}
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end if
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include 'pci_pe.inc'
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include 'mii.inc'
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; Kernel variables
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PAGESIZE = 4096
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; Network driver types
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NET_TYPE_ETH = 1
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NET_TYPE_SLIP = 2
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; Link state
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ETH_LINK_DOWN = 0 ; Link is down
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ETH_LINK_UNKOWN = 1b ; There could be an active link
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ETH_LINK_FD = 10b ; full duplex flag
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ETH_LINK_10M = 100b ; 10 mbit
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ETH_LINK_100M = 1000b ; 100 mbit
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ETH_LINK_1G = 10000b ; gigabit
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; Macro to easily set i/o addresses to access device.
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; In the beginning of a procedure (or ofter edx may have been destroyed),
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; always use set_io with offset 0 to reset the variables.
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LAST_IO = 0
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macro set_io baseaddr, offset {
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if offset = 0
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mov edx, baseaddr
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else if offset = LAST_IO
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else
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add edx, offset - LAST_IO
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end if
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LAST_IO = offset
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}
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; Macro to allocate a contiguous buffer in memory
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; And initialise it to all zeros
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; This macro will destroy eax, ecx and edi !
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macro allocate_and_clear dest, size, err {
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; We need to allocate at least 8 pages, if we want a contiguous area in ram
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push edx
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if (size < 8*4096) & (size > 4096)
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invoke KernelAlloc, 8*4096
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else
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invoke KernelAlloc, size
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end if
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pop edx
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test eax, eax
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jz err
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mov dest, eax
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mov edi, eax ; look at last part of code!
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; Release the unused pages (if any)
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if (size < 8*4096) & (size > 4096)
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add eax, (size/4096+1)*4096
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mov ecx, 8-(size/4096+1)
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push edx
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invoke ReleasePages
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pop edx
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end if
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; Clear the allocated buffer
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mov ecx, size/4 ; divide by 4 because of DWORD
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xor eax, eax
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rep stosd
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if (size - size/4*4)
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mov ecx, size - size/4*4
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rep stosb
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end if
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}
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struct NET_DEVICE
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type dd ? ; Type field
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mtu dd ? ; Maximal Transmission Unit
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name dd ? ; Ptr to 0 terminated string
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unload dd ? ; Ptrs to driver functions
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reset dd ? ;
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transmit dd ? ;
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bytes_tx dq ? ; Statistics, updated by the driver
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bytes_rx dq ? ;
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packets_tx dd ? ;
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packets_rx dd ? ;
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state dd ? ; link state (0 = no link)
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hwacc dd ? ; bitmask stating enabled HW accelerations
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ends
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struct ETH_DEVICE NET_DEVICE
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mac dp ?
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dw ? ; qword alignment
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ends
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