forked from KolibriOS/kolibrios
1279 lines
24 KiB
NASM
1279 lines
24 KiB
NASM
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
|
|
;; Distributed under terms of the GNU General Public License ;;
|
|
;; ;;
|
|
;; ne2000 driver for KolibriOS ;;
|
|
;; ;;
|
|
;; Written by hidnplayr@kolibrios.org ;;
|
|
;; ;;
|
|
;; GNU GENERAL PUBLIC LICENSE ;;
|
|
;; Version 2, June 1991 ;;
|
|
;; ;;
|
|
;; current status (september 2009) - INCOMPLETE ;;
|
|
;; ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
format MS COFF
|
|
|
|
API_VERSION equ 0x01000100
|
|
|
|
DEBUG equ 1
|
|
__DEBUG__ equ 1
|
|
__DEBUG_LEVEL__ equ 1
|
|
|
|
include 'proc32.inc'
|
|
include 'imports.inc'
|
|
include 'fdo.inc'
|
|
|
|
OS_BASE equ 0x80000000
|
|
new_app_base equ 0x0
|
|
PROC_BASE equ OS_BASE+0x0080000
|
|
|
|
; PCI Bus defines
|
|
PCI_HEADER_TYPE equ 0x0e ;8 bit
|
|
PCI_BASE_ADDRESS_0 equ 0x10 ;32 bit
|
|
PCI_BASE_ADDRESS_5 equ 0x24 ;32 bits
|
|
PCI_BASE_ADDRESS_SPACE_IO equ 0x01
|
|
PCI_VENDOR_ID equ 0x00 ;16 bit
|
|
PCI_BASE_ADDRESS_IO_MASK equ 0xFFFFFFFC
|
|
|
|
struc IOCTL {
|
|
.handle dd ?
|
|
.io_code dd ?
|
|
.input dd ?
|
|
.inp_size dd ?
|
|
.output dd ?
|
|
.out_size dd ?
|
|
}
|
|
|
|
virtual at 0
|
|
IOCTL IOCTL
|
|
end virtual
|
|
|
|
struc ETH_DEVICE {
|
|
; pointers to procedures
|
|
.unload dd ?
|
|
.reset dd ?
|
|
.transmit dd ?
|
|
.set_MAC dd ?
|
|
.get_MAC dd ?
|
|
.set_mode dd ?
|
|
.get_mode dd ?
|
|
; status
|
|
.bytes_tx dq ?
|
|
.bytes_rx dq ?
|
|
.packets_tx dd ?
|
|
.packets_rx dd ?
|
|
.mode dd ? ; This dword contains cable status (10mbit/100mbit, full/half duplex, auto negotiation or not,..)
|
|
.name dd ?
|
|
.mac dp ?
|
|
; device specific
|
|
.io_addr dw ?
|
|
.irq_line db ?
|
|
.pci_bus db ?
|
|
.pci_dev db ?
|
|
|
|
.flags db ?
|
|
.vendor db ?
|
|
.asic_base dw ?
|
|
.memsize db ?
|
|
.rx_start db ?
|
|
.tx_start db ?
|
|
.bmem dd ?
|
|
.rmem dd ?
|
|
.romdata rb 16
|
|
.size:
|
|
|
|
}
|
|
|
|
virtual at 0
|
|
device ETH_DEVICE
|
|
end virtual
|
|
|
|
public START
|
|
public service_proc
|
|
public version
|
|
|
|
MAX_ne2000 equ 16 ; Max number of devices this driver may handle
|
|
|
|
P0_PSTART equ 0x01
|
|
P0_PSTOP equ 0x02
|
|
P0_BOUND equ 0x03
|
|
P0_TSR equ 0x04
|
|
P0_TPSR equ 0x04
|
|
P0_TBCR0 equ 0x05
|
|
P0_TBCR1 equ 0x06
|
|
P0_ISR equ 0x07
|
|
P0_RSAR0 equ 0x08
|
|
P0_RSAR1 equ 0x09
|
|
P0_RBCR0 equ 0x0A
|
|
P0_RBCR1 equ 0x0B
|
|
P0_RSR equ 0x0C
|
|
P0_RCR equ 0x0C
|
|
P0_TCR equ 0x0D
|
|
P0_DCR equ 0x0E
|
|
P0_IMR equ 0x0F
|
|
|
|
P1_PAR0 equ 0x01
|
|
P1_PAR1 equ 0x02
|
|
P1_PAR2 equ 0x03
|
|
P1_PAR3 equ 0x04
|
|
P1_PAR4 equ 0x05
|
|
P1_PAR5 equ 0x06
|
|
P1_CURR equ 0x07
|
|
P1_MAR0 equ 0x08
|
|
|
|
CMD_PS0 equ 0x00 ; Page 0 select
|
|
CMD_PS1 equ 0x40 ; Page 1 select
|
|
CMD_PS2 equ 0x80 ; Page 2 select
|
|
CMD_RD2 equ 0x20 ; Remote DMA control
|
|
CMD_RD1 equ 0x10
|
|
CMD_RD0 equ 0x08
|
|
CMD_TXP equ 0x04 ; transmit packet
|
|
CMD_STA equ 0x02 ; start
|
|
CMD_STP equ 0x01 ; stop
|
|
|
|
RCR_MON equ 0x20 ; monitor mode
|
|
|
|
DCR_FT1 equ 0x40
|
|
DCR_LS equ 0x08 ; Loopback select
|
|
DCR_WTS equ 0x01 ; Word transfer select
|
|
|
|
ISR_PRX equ 0x01 ; successful recv
|
|
ISR_PTX equ 0x02 ; successful xmit
|
|
ISR_RXE equ 0x04 ; receive error
|
|
ISR_TXE equ 0x08 ; transmit error
|
|
ISR_OVW equ 0x10 ; Overflow
|
|
ISR_CNT equ 0x20 ; Counter overflow
|
|
ISR_RDC equ 0x40 ; Remote DMA complete
|
|
ISR_RST equ 0x80 ; reset
|
|
|
|
IRQ_MASK equ ISR_PRX + ISR_PTX + ISR_TXE
|
|
|
|
RSTAT_PRX equ 0x01 ; successful recv
|
|
RSTAT_CRC equ 0x02 ; CRC error
|
|
RSTAT_FAE equ 0x04 ; Frame alignment error
|
|
RSTAT_OVER equ 0x08 ; FIFO overrun
|
|
|
|
TXBUF_SIZE equ 6
|
|
RXBUF_END equ 32
|
|
PAGE_SIZE equ 256
|
|
|
|
ETH_ALEN equ 6
|
|
ETH_HLEN equ 14
|
|
ETH_ZLEN equ 60
|
|
ETH_FRAME_LEN equ 1514
|
|
|
|
FLAG_PIO equ 0x01
|
|
FLAG_16BIT equ 0x02
|
|
ASIC_PIO equ 0
|
|
|
|
VENDOR_NONE equ 0
|
|
VENDOR_WD equ 1
|
|
VENDOR_NOVELL equ 2
|
|
VENDOR_3COM equ 3
|
|
|
|
NE_ASIC_OFFSET equ 0x10
|
|
NE_RESET equ 0x0F ; Used to reset card
|
|
NE_DATA equ 0x00 ; Used to read/write NIC mem
|
|
|
|
MEM_8192 equ 32
|
|
MEM_16384 equ 64
|
|
MEM_32768 equ 128
|
|
|
|
ISA_MAX_ADDR equ 0x400
|
|
|
|
;------------------------------------------------
|
|
|
|
LAST_IO = 0
|
|
|
|
macro set_io addr {
|
|
|
|
if addr = 0
|
|
mov dx, [ebp + device.io_addr]
|
|
else
|
|
add dx, addr - LAST_IO
|
|
end if
|
|
|
|
LAST_IO = addr
|
|
|
|
|
|
}
|
|
|
|
;-------------------------------------------------
|
|
|
|
|
|
section '.flat' code readable align 16
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;;
|
|
;; proc START
|
|
;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
proc START stdcall, state:dword
|
|
|
|
cmp [state], 1
|
|
jne .exit
|
|
.entry:
|
|
DEBUGF 2,"Registering rtl8029 service \n"
|
|
stdcall RegService, my_service, service_proc
|
|
ret
|
|
.fail:
|
|
.exit:
|
|
xor eax, eax
|
|
ret
|
|
|
|
endp
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;;
|
|
;; proc SERVICE_PROC
|
|
;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
align 4
|
|
proc service_proc stdcall, ioctl:dword
|
|
|
|
mov edx, [ioctl]
|
|
mov eax, [ebx+IOCTL.io_code]
|
|
|
|
;------------------------------------------------------
|
|
;---------------
|
|
cmp eax, 0 ;SRV_GETVERSION
|
|
jne @F ;---------------
|
|
|
|
cmp [edx+IOCTL.out_size], 4
|
|
jl .fail
|
|
mov eax, [edx+IOCTL.output]
|
|
mov [eax], dword API_VERSION
|
|
|
|
xor eax, eax
|
|
ret
|
|
|
|
;------------------------------------------------------
|
|
@@: ;---------
|
|
cmp eax, 1 ;SRV_HOOK
|
|
jne @F ;---------
|
|
|
|
DEBUGF 2,"Checking if device is already listed..\n"
|
|
|
|
mov eax, [edx+IOCTL.input]
|
|
|
|
cmp [edx+IOCTL.inp_size], 3
|
|
jl .fail
|
|
cmp byte [eax], 1
|
|
je .pci
|
|
|
|
cmp [edx+IOCTL.inp_size], 4
|
|
jl .fail
|
|
cmp byte [eax], 0
|
|
je .isa
|
|
|
|
jmp .fail
|
|
|
|
.pci:
|
|
|
|
mov esi, ne2000_LIST
|
|
mov ecx, [ne2000_DEV]
|
|
test ecx, ecx
|
|
jz .firstdevice_pci
|
|
mov bx , [eax+1]
|
|
.nextdevice:
|
|
lodsd
|
|
cmp bx , word [eax + device.pci_bus] ; compare with pci and device num in ne2000 list
|
|
je find_device_num
|
|
loop .nextdevice
|
|
|
|
.firstdevice_pci:
|
|
call create_new_struct
|
|
|
|
mov eax, [edx+IOCTL.input] ; save the pci bus and device numbers
|
|
mov cx , [eax+1] ;
|
|
mov [ebx+device.pci_bus], cl ;
|
|
mov [ebx+device.pci_dev], ch ;
|
|
|
|
mov edx, PCI_BASE_ADDRESS_0 ; find the base io address
|
|
.sb_reg_check:
|
|
;
|
|
movzx eax, byte [ebx+device.pci_bus] ;
|
|
movzx ecx, byte [ebx+device.pci_dev] ;
|
|
;
|
|
push edx ecx
|
|
stdcall PciRead16, eax ,ecx ,edx ;
|
|
pop ecx edx
|
|
;
|
|
mov [ebx+device.io_addr], ax ;
|
|
and eax, PCI_BASE_ADDRESS_IO_MASK ;
|
|
test eax, eax ;
|
|
jz .sb_inc_reg ;
|
|
movzx eax, [ebx+device.io_addr] ;
|
|
and eax, PCI_BASE_ADDRESS_SPACE_IO ;
|
|
test eax, eax ;
|
|
jz .sb_inc_reg ;
|
|
;
|
|
movzx eax, [ebx+device.io_addr] ;
|
|
and eax, PCI_BASE_ADDRESS_IO_MASK ;
|
|
mov [ebx+device.io_addr], ax ;
|
|
;
|
|
jmp .got_io ;
|
|
;
|
|
.sb_inc_reg: ;
|
|
add edx, 4 ;
|
|
cmp edx, PCI_BASE_ADDRESS_5 ;
|
|
jbe .sb_reg_check ;
|
|
|
|
.got_io:
|
|
movzx eax, byte [ebx+device.pci_bus] ; find IRQ line
|
|
movzx ecx, byte [ebx+device.pci_dev] ;
|
|
push ebx
|
|
stdcall PciRead8, eax ,ecx ,0x3c ; 0x3c is the offset where irq can be found
|
|
pop ebx
|
|
mov byte [ebx+device.irq_line], al ;
|
|
|
|
jmp .hook
|
|
|
|
.isa:
|
|
|
|
mov esi, ne2000_LIST
|
|
mov ecx, [ne2000_DEV]
|
|
test ecx, ecx
|
|
jz .firstdevice_isa
|
|
mov bx , [eax+1]
|
|
mov dl , [eax+3]
|
|
.nextdevice_isa:
|
|
lodsd
|
|
cmp bx , [eax + device.io_addr]
|
|
jne .maybenext
|
|
cmp dl , [eax + device.irq_line]
|
|
je find_device_num
|
|
.maybenext:
|
|
loop .nextdevice_isa
|
|
|
|
|
|
|
|
.firstdevice_isa:
|
|
call create_new_struct
|
|
|
|
mov eax, [edx+IOCTL.input]
|
|
mov cx , [eax+1]
|
|
mov [ebx+device.io_addr], cx
|
|
mov cl, [eax+3]
|
|
mov [ebx+device.irq_line], cl
|
|
|
|
.hook:
|
|
|
|
DEBUGF 2,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",[ebx+device.pci_dev]:1,[ebx+device.pci_bus]:1,[ebx+device.irq_line]:1,[ebx+device.io_addr]:4
|
|
|
|
call probe ; this function will output in eax
|
|
test eax, eax
|
|
jnz .err ; If an error occured, exit
|
|
|
|
mov eax, [ne2000_DEV]
|
|
mov [ne2000_LIST+4*eax], ebx
|
|
inc [ne2000_DEV]
|
|
|
|
jmp EthRegDev ; Register the device to kernel (ebx points to device struct)
|
|
|
|
.err:
|
|
stdcall KernelFree, ebx
|
|
|
|
jmp .fail
|
|
|
|
;------------------------------------------------------
|
|
@@:
|
|
.fail:
|
|
or eax, -1
|
|
ret
|
|
|
|
;------------------------------------------------------
|
|
endp
|
|
|
|
|
|
create_new_struct:
|
|
|
|
cmp [ne2000_DEV], MAX_ne2000
|
|
jge .fail
|
|
|
|
push edx
|
|
stdcall KernelAlloc, device.size
|
|
pop edx
|
|
test eax, eax
|
|
jz .fail
|
|
mov ebx, eax
|
|
|
|
mov dword [ebx+device.reset], reset
|
|
mov dword [ebx+device.transmit], transmit
|
|
mov dword [ebx+device.get_MAC], read_mac
|
|
mov dword [ebx+device.set_MAC], write_mac
|
|
mov dword [ebx+device.unload], unload
|
|
|
|
ret
|
|
|
|
.fail:
|
|
add esp, 4
|
|
or eax, -1
|
|
ret
|
|
|
|
find_device_num:
|
|
|
|
DEBUGF 1,"Trying to find device number of already registered device\n"
|
|
mov ebx, eax
|
|
call EthStruc2Dev ; This kernel procedure converts a pointer to device struct in ebx
|
|
; into a device number in edi
|
|
mov eax, edi ; Application wants it in eax instead
|
|
DEBUGF 1,"Kernel says: %u\n", eax
|
|
ret
|
|
|
|
|
|
;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;;
|
|
;; ;;
|
|
;; Actual Hardware dependent code starts here ;;
|
|
;; ;;
|
|
;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;;
|
|
|
|
|
|
unload: ; TODO
|
|
or eax, -1
|
|
ret
|
|
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;;
|
|
;; probe: enables the device and clears the rx buffer
|
|
;;
|
|
;; Destroys: eax, ebx, ecx, edx
|
|
;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
probe:
|
|
mov ebp, ebx ;---
|
|
|
|
mov [ebp + device.vendor], VENDOR_NONE
|
|
mov [ebp + device.bmem], 0
|
|
mov ax, [ebp + device.io_addr]
|
|
add ax, NE_ASIC_OFFSET
|
|
mov [ebp + device.asic_base], ax
|
|
|
|
DEBUGF 2,"Trying 16-bit mode\n"
|
|
|
|
or [ebp + device.flags], FLAG_16BIT
|
|
mov [ebp + device.memsize], MEM_32768
|
|
mov [ebp + device.tx_start], 64
|
|
add [ebp + device.rx_start], TXBUF_SIZE + 64
|
|
|
|
set_io 0
|
|
set_io P0_DCR
|
|
mov al, DCR_WTS + DCR_FT1 + DCR_LS
|
|
out dx, al
|
|
|
|
set_io P0_PSTART
|
|
mov al, MEM_16384
|
|
out dx, al
|
|
|
|
set_io P0_PSTOP
|
|
mov al, MEM_32768
|
|
out dx, al
|
|
|
|
mov esi, test_data
|
|
mov bx, 16384
|
|
mov cx, 14
|
|
call eth_pio_write
|
|
|
|
mov bx, 16384
|
|
mov cx, 14
|
|
lea edi, [ebp + device.romdata]
|
|
call eth_pio_read
|
|
|
|
lea esi, [ebp + device.romdata]
|
|
mov edi, test_data
|
|
mov ecx, 13
|
|
|
|
repz cmpsb
|
|
jz ep_set_vendor
|
|
|
|
|
|
DEBUGF 2,"Trying 8-bit mode\n"
|
|
|
|
mov [ebp + device.flags], FLAG_PIO
|
|
mov [ebp + device.memsize], MEM_16384
|
|
mov [ebp + device.tx_start], 32
|
|
mov [ebp + device.rx_start], TXBUF_SIZE + 32
|
|
|
|
mov dx, [ebp + device.asic_base]
|
|
add dx, NE_RESET
|
|
|
|
in al, dx
|
|
out dx, al
|
|
|
|
in al, 0x84
|
|
|
|
set_io 0
|
|
mov al, CMD_RD2 + CMD_STP
|
|
out dx, al
|
|
|
|
set_io P0_RCR
|
|
mov al, RCR_MON
|
|
out dx, al
|
|
|
|
set_io P0_DCR
|
|
mov al, DCR_FT1 + DCR_LS
|
|
out dx, al
|
|
|
|
set_io P0_PSTART
|
|
mov al, MEM_8192
|
|
out dx, al
|
|
|
|
set_io P0_PSTOP
|
|
mov al, MEM_16384
|
|
out dx, al
|
|
|
|
mov esi, test_data
|
|
mov bx, 8192
|
|
mov cx, 14
|
|
call eth_pio_write
|
|
|
|
mov bx, 8192
|
|
mov cx, 14
|
|
lea edi, [ebp + device.romdata]
|
|
call eth_pio_read
|
|
|
|
mov esi, test_data
|
|
lea edi, [ebp + device.romdata]
|
|
mov ecx, 13
|
|
|
|
repz cmpsb
|
|
jz ep_set_vendor
|
|
|
|
DEBUGF 2,"This is not a valid ne2000 device!\n"
|
|
or eax, -1
|
|
ret
|
|
|
|
|
|
ep_set_vendor:
|
|
|
|
cmp [ebp + device.io_addr], ISA_MAX_ADDR
|
|
jbe ep_001
|
|
|
|
DEBUGF 2,"Card is using PCI bus\n"
|
|
|
|
;;; or [ebp + device.flags], FLAG_16BIT
|
|
|
|
ep_001:
|
|
mov [ebp + device.vendor], VENDOR_NOVELL
|
|
|
|
ep_check_have_vendor:
|
|
|
|
mov ebx, ebp ;----
|
|
|
|
mov al, [ebp + device.vendor]
|
|
cmp al, VENDOR_NONE
|
|
;;;; je rtl8029_exit
|
|
|
|
cmp al, VENDOR_3COM
|
|
je reset
|
|
|
|
mov eax, [ebp + device.bmem]
|
|
mov [ebp + device.rmem], eax
|
|
|
|
;-- hack
|
|
mov ebx, ebp
|
|
call read_mac
|
|
|
|
|
|
push .hack
|
|
sub esp, 6
|
|
mov edi, esp
|
|
lea esi, [ebp + device.mac]
|
|
movsd
|
|
movsw
|
|
|
|
jmp write_mac
|
|
.hack:
|
|
;--- hack
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;;
|
|
;; reset: Place the chip into a virgin state
|
|
;;
|
|
;; Destroys: eax, ebx, ecx, edx
|
|
;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
reset:
|
|
mov ebp, ebx ;---
|
|
|
|
|
|
DEBUGF 2,"Resetting rtl8029\n"
|
|
|
|
; attach int handler
|
|
movzx eax, [ebp+device.irq_line]
|
|
DEBUGF 1,"Attaching int handler to irq %x\n",eax:1
|
|
stdcall AttachIntHandler, eax, int_handler, dword 0
|
|
|
|
; Stop mode
|
|
|
|
set_io 0
|
|
mov al, CMD_PS0 + CMD_RD2 + CMD_STP
|
|
out dx, al
|
|
|
|
set_io P0_DCR
|
|
test [ebp + device.flags], FLAG_16BIT
|
|
jz nsr_001
|
|
|
|
mov al, 0x49
|
|
jmp nsr_002
|
|
|
|
nsr_001:
|
|
mov al, 0x48
|
|
|
|
nsr_002:
|
|
out dx, al
|
|
|
|
|
|
;clear remote bytes count
|
|
set_io 0
|
|
|
|
xor al, al
|
|
|
|
set_io P0_RBCR0
|
|
out dx, al
|
|
|
|
set_io P0_RBCR1
|
|
out dx, al
|
|
|
|
|
|
;initialize Receive configuration register
|
|
set_io P0_RCR
|
|
mov al, 0x20 ; monitor mode
|
|
out dx, al
|
|
|
|
|
|
; transmit configuration register
|
|
set_io P0_TCR
|
|
mov al, 2 ; internal loopback
|
|
out dx, al
|
|
|
|
|
|
; transmit page stuff
|
|
set_io P0_TPSR
|
|
mov al, [ebp + device.tx_start]
|
|
out dx, al
|
|
|
|
; set receive control register ;;;;
|
|
set_io P0_RCR
|
|
mov al, 4 ; accept broadcast
|
|
out dx, al
|
|
|
|
; pagestart
|
|
set_io P0_PSTART
|
|
mov al, [ebp + device.rx_start]
|
|
out dx, al
|
|
|
|
; pagestop
|
|
set_io P0_PSTOP
|
|
mov al, [ebp + device.memsize]
|
|
out dx, al
|
|
|
|
; page boundary
|
|
set_io P0_BOUND
|
|
mov al, [ebp + device.memsize]
|
|
dec al
|
|
out dx, al
|
|
|
|
|
|
;;clear IRQ mask
|
|
; set_io P0_IMR
|
|
; xor al, al
|
|
; out dx, al
|
|
|
|
set_io 0
|
|
mov al, CMD_PS1 + CMD_RD2 + CMD_STP ; page 1, stop mode
|
|
out dx, al
|
|
|
|
set_io P1_CURR
|
|
mov al, [ebp + device.rx_start]
|
|
out dx, al
|
|
|
|
set_io 0
|
|
mov al, CMD_PS0 + CMD_RD2 + CMD_STA ; go to page 0
|
|
out dx, al
|
|
|
|
; Read MAC address
|
|
mov ebx, ebp ;----
|
|
call read_mac
|
|
|
|
; clear interupt status
|
|
set_io P0_ISR
|
|
mov al, 0xff
|
|
out dx, al
|
|
|
|
; set IRQ mask
|
|
set_io P0_IMR
|
|
mov al, IRQ_MASK
|
|
out dx, al
|
|
|
|
;; start mode
|
|
; set_io 0
|
|
; mov al, CMD_STA
|
|
; out dx, al
|
|
|
|
; clear transmit control register
|
|
set_io P0_TCR
|
|
mov al, 0 ; no loopback
|
|
out dx, al
|
|
|
|
|
|
; Indicate that we have successfully reset the card
|
|
DEBUGF 2,"Done!\n"
|
|
xor eax, eax
|
|
|
|
mov ebx, ebp ;------
|
|
|
|
ret
|
|
|
|
|
|
|
|
;***************************************************************************
|
|
; Function
|
|
; transmit
|
|
; buffer in [esp], size in [esp+4], pointer to device struct in ebx
|
|
;***************************************************************************
|
|
|
|
align 4
|
|
transmit:
|
|
mov ebp, ebx
|
|
|
|
mov esi, [esp]
|
|
mov ecx, [esp + 4]
|
|
DEBUGF 2,"Transmitting packet, buffer:%x, size:%u\n",esi, ecx
|
|
DEBUGF 2,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",[esi+0]:2,[esi+1]:2,[esi+2]:2,[esi+3]:2,[esi+4]:2,[esi+5]:2,[esi+6]:2,[esi+7]:2,[esi+8]:2,[esi+9]:2,[esi+10]:2,[esi+11]:2,[esi+13]:2,[esi+12]:2
|
|
|
|
cmp dword [esp+4], ETH_FRAME_LEN
|
|
jg .finish ; packet is too long
|
|
cmp dword [esp+4], 60
|
|
jl .finish ; packet is too short
|
|
|
|
xor bl, bl
|
|
mov bh, [ebp + device.tx_start]
|
|
push cx
|
|
call eth_pio_write
|
|
pop cx
|
|
|
|
set_io 0
|
|
mov al, CMD_PS0 + CMD_RD2 + CMD_STA
|
|
out dx, al
|
|
|
|
set_io P0_TPSR
|
|
mov al, [ebp + device.tx_start]
|
|
out dx, al
|
|
|
|
set_io P0_TBCR0
|
|
mov al, cl
|
|
out dx, al
|
|
|
|
set_io P0_TBCR1
|
|
mov al, ch
|
|
out dx, al
|
|
|
|
set_io 0
|
|
mov al, CMD_PS0 + CMD_TXP + CMD_RD2 + CMD_STA
|
|
out dx, al
|
|
|
|
DEBUGF 2," - Packet Sent!\n"
|
|
.finish:
|
|
mov ebx, ebp
|
|
|
|
call KernelFree
|
|
add esp, 4 ; pop (balance stack)
|
|
xor eax, eax
|
|
|
|
ret
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;
|
|
; Interrupt handler
|
|
;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
align 4
|
|
int_handler:
|
|
|
|
DEBUGF 2,"IRQ %x ",eax:2
|
|
|
|
; find pointer of device wich made INT occur
|
|
mov esi, ne2000_LIST
|
|
mov ecx, [ne2000_DEV]
|
|
.nextdevice:
|
|
mov ebp, dword [esi]
|
|
|
|
set_io 0 ; We chould check ISR instead..
|
|
set_io P0_ISR
|
|
in al, dx
|
|
|
|
DEBUGF 2,"isr %x ",eax:2
|
|
|
|
test al, ISR_PRX
|
|
jnz .rx
|
|
|
|
add esi, 4
|
|
|
|
loop .nextdevice
|
|
ret
|
|
|
|
; looks like we've found it!
|
|
.rx:
|
|
|
|
|
|
sub esp, 14+8 ; allocate memory for temp variables in stack
|
|
|
|
eth_type equ esp
|
|
pkthdr equ esp + 2
|
|
pktoff equ esp + 6
|
|
eth_rx_data_ptr equ esp + 8
|
|
eth_tmp_len equ esp + 12
|
|
|
|
pointer equ esp + 14
|
|
size equ esp + 18
|
|
|
|
stdcall KernelAlloc, ETH_FRAME_LEN
|
|
mov [pointer], eax
|
|
mov [eth_rx_data_ptr], eax
|
|
|
|
set_io P0_BOUND
|
|
in al, dx
|
|
inc al
|
|
|
|
cmp al, [ebp + device.memsize]
|
|
jb .nsp_001
|
|
|
|
mov al, [ebp + device.rx_start]
|
|
|
|
.nsp_001:
|
|
mov ch, al
|
|
|
|
set_io 0
|
|
mov al, CMD_PS1
|
|
out dx, al
|
|
|
|
set_io P1_CURR
|
|
in al, dx ; get current page
|
|
mov cl, al
|
|
|
|
set_io 0
|
|
mov al, CMD_PS0
|
|
out dx, al
|
|
|
|
cmp cl, [ebp + device.memsize]
|
|
jb .nsp_002
|
|
|
|
mov cl, [ebp + device.rx_start]
|
|
|
|
.nsp_002:
|
|
cmp cl, ch
|
|
je .fail
|
|
|
|
xor ax, ax
|
|
mov ah, ch
|
|
|
|
mov [pktoff], ax
|
|
|
|
mov al, [ebp + device.flags]
|
|
test al, FLAG_PIO
|
|
jz .nsp_003
|
|
|
|
mov bx, word [pktoff]
|
|
lea edi, [pkthdr]
|
|
mov cx, 4
|
|
call eth_pio_read
|
|
jmp .nsp_004
|
|
|
|
.nsp_003:
|
|
mov edi, [ebp + device.rmem]
|
|
movzx eax, word [pktoff]
|
|
add edi, eax
|
|
mov eax, [edi]
|
|
mov [pkthdr], eax
|
|
|
|
.nsp_004:
|
|
add word[pktoff] , 4
|
|
|
|
xor eax, eax
|
|
mov ax, [pkthdr + 2]
|
|
sub ax, 4
|
|
|
|
DEBUGF 2,"Received %u bytes\n",eax
|
|
|
|
mov [eth_tmp_len], ax
|
|
mov dword[size], eax
|
|
|
|
cmp ax, ETH_ZLEN
|
|
jb .fail
|
|
|
|
cmp ax, ETH_FRAME_LEN
|
|
ja .fail
|
|
|
|
mov al, [pkthdr]
|
|
test al, RSTAT_PRX
|
|
jz .fail
|
|
|
|
; Right, we can now get the data
|
|
|
|
mov bh, [ebp + device.memsize]
|
|
sub bx, [pktoff]
|
|
|
|
cmp [eth_tmp_len], bx
|
|
jbe .nsp_005
|
|
|
|
mov al, [ebp + device.flags]
|
|
test al, FLAG_PIO
|
|
jz .nsp_006
|
|
|
|
push bx
|
|
mov cx, bx
|
|
mov bx, [pktoff]
|
|
mov edi, [eth_rx_data_ptr]
|
|
call eth_pio_read
|
|
pop bx
|
|
jmp .nsp_007
|
|
|
|
.nsp_006:
|
|
; Not implemented, as we are using PIO mode on this card
|
|
|
|
.nsp_007:
|
|
xor al, al
|
|
mov ah, [ebp + device.rx_start]
|
|
mov [pktoff], ax
|
|
|
|
add [eth_rx_data_ptr], ebx
|
|
|
|
mov ax, [eth_tmp_len]
|
|
sub ax, bx
|
|
mov [eth_tmp_len], ax
|
|
|
|
.nsp_005:
|
|
test [ebp + device.flags], FLAG_PIO
|
|
jz .nsp_008
|
|
|
|
xor ebx, ebx
|
|
mov bx, [pktoff]
|
|
xor ecx, ecx
|
|
mov cx, [eth_tmp_len]
|
|
mov edi, [eth_rx_data_ptr]
|
|
call eth_pio_read
|
|
jmp .nsp_009
|
|
|
|
.nsp_008:
|
|
; Not implemented, as we are using PIO mode on this card
|
|
|
|
.nsp_009:
|
|
mov al, [pkthdr+1]
|
|
cmp al, [ebp + device.rx_start]
|
|
jne .nsp_010
|
|
|
|
mov al, [ebp + device.memsize]
|
|
|
|
.nsp_010:
|
|
set_io 0
|
|
set_io P0_BOUND
|
|
dec al
|
|
out dx, al
|
|
|
|
add esp, 14
|
|
|
|
mov ebx, ebp
|
|
jmp EthReceiver ;;;
|
|
|
|
.fail:
|
|
add esp, 14+8
|
|
DEBUGF 2,"done\n"
|
|
ret
|
|
|
|
|
|
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; Write MAC address ;;
|
|
;; ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
align 4
|
|
write_mac: ; in: mac on stack
|
|
|
|
mov ebp, ebx ;---
|
|
|
|
DEBUGF 1,"Writing MAC: "
|
|
|
|
set_io 0
|
|
mov al, CMD_PS1; + CMD_RD2 + CMD_STP
|
|
out dx, al
|
|
|
|
set_io P1_PAR0
|
|
mov esi, esp
|
|
mov cx, 6
|
|
@@:
|
|
lodsb
|
|
out dx, al
|
|
inc dx
|
|
loopw @r
|
|
|
|
add esp, 6
|
|
|
|
mov ebx, ebp ;---
|
|
|
|
; Notice this procedure does not ret, but continues to read_mac instead.
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; Read MAC address ;;
|
|
;; ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
read_mac:
|
|
|
|
mov ebp, ebx ;-----
|
|
|
|
DEBUGF 1,"Reading MAC: "
|
|
|
|
; set_io 0
|
|
; mov al, CMD_PS1; + CMD_RD2 + CMD_STP ; select page 1
|
|
; out dx, al
|
|
;
|
|
; set_io P1_PAR0
|
|
; lea edi, [ebp + device.mac]
|
|
;
|
|
; mov cx, 6
|
|
; .loop:
|
|
; in al, dx
|
|
; stosb
|
|
; inc dx
|
|
; loopw .loop
|
|
;
|
|
; lea edi, [ebp + device.mac]
|
|
; DEBUGF 1,"%x-%x-%x-%x-%x-%x\n",[edi+0]:2,[edi+1]:2,[edi+2]:2,[edi+3]:2,[edi+4]:2,[edi+5]:2
|
|
;
|
|
; set_io 0
|
|
; mov al, CMD_PS0; + CMD_RD2 + CMD_STA ; set page back to 0
|
|
; out dx, al
|
|
|
|
|
|
mov bx, 0
|
|
mov cx, 16
|
|
lea edi, [ebp + device.romdata]
|
|
call eth_pio_read
|
|
|
|
lea esi, [ebp + device.romdata]
|
|
lea edi, [ebp + device.mac]
|
|
mov ecx, 6
|
|
|
|
.loop:
|
|
movsb
|
|
test [ebp + device.flags], FLAG_16BIT
|
|
jz .8bit
|
|
inc esi
|
|
.8bit:
|
|
loop .loop
|
|
|
|
|
|
mov ebx, ebp ;---
|
|
|
|
ret
|
|
|
|
|
|
;***************************************************************************
|
|
; Function
|
|
; eth_pio_read
|
|
;
|
|
; Description
|
|
; Read a frame from the ethernet card via Programmed I/O
|
|
; src in bx
|
|
; cnt in cx
|
|
; dst in edi
|
|
;***************************************************************************
|
|
eth_pio_read:
|
|
|
|
DEBUGF 1,"Eth PIO Read from %x to %x, %u bytes ",bx,edi,cx
|
|
|
|
set_io 0
|
|
mov al, CMD_RD2 + CMD_STA
|
|
out dx, al
|
|
|
|
mov al, cl
|
|
set_io P0_RBCR0
|
|
out dx, al
|
|
|
|
mov al, ch
|
|
set_io P0_RBCR1
|
|
out dx, al
|
|
|
|
mov al, bl
|
|
set_io P0_RSAR0
|
|
out dx, al
|
|
|
|
mov al, bh
|
|
set_io P0_RSAR1
|
|
out dx, al
|
|
|
|
mov al, CMD_RD0 + CMD_STA
|
|
set_io 0
|
|
out dx, al
|
|
|
|
mov dx, [ebp + device.asic_base]
|
|
|
|
test [ebp+device.flags], FLAG_16BIT
|
|
jz epr_003
|
|
|
|
DEBUGF 1,"in 16-bits mode"
|
|
|
|
shr cx, 1 ; note that if the number was odd, carry flag will be set
|
|
pushf ; save the flags for later
|
|
|
|
epr_002:
|
|
in ax, dx
|
|
stosw
|
|
loopw epr_002
|
|
|
|
inc cx
|
|
popf
|
|
jnc epr_004
|
|
|
|
epr_003:
|
|
in al, dx
|
|
stosb
|
|
loopw epr_003
|
|
|
|
|
|
epr_004:
|
|
set_io 0
|
|
set_io P0_ISR
|
|
|
|
epr_005: ; Wait for Remote DMA Complete
|
|
in al, dx
|
|
test al, ISR_RDC
|
|
jz epr_005
|
|
; and al, not ISR_RDC
|
|
out dx, al ; clear the bit
|
|
|
|
|
|
DEBUGF 1,"\n"
|
|
ret
|
|
|
|
|
|
|
|
|
|
;***************************************************************************
|
|
; Function
|
|
; eth_pio_write
|
|
;
|
|
; Description
|
|
; writes a frame to the ethernet card via Programmed I/O
|
|
; dst in bx
|
|
; cnt in cx
|
|
; src in esi
|
|
;***************************************************************************
|
|
eth_pio_write:
|
|
|
|
DEBUGF 1,"Eth PIO Write from %x to %x, %u bytes ",esi,bx,cx
|
|
|
|
set_io 0
|
|
mov al, CMD_RD2 + CMD_STA
|
|
out dx, al
|
|
|
|
set_io P0_ISR
|
|
mov al, ISR_RDC
|
|
out dx, al
|
|
|
|
set_io P0_RBCR0
|
|
mov al, cl
|
|
out dx, al
|
|
|
|
set_io P0_RBCR1
|
|
mov al, ch
|
|
out dx, al
|
|
|
|
set_io P0_RSAR0
|
|
mov al, bl
|
|
out dx, al
|
|
|
|
set_io P0_RSAR1
|
|
mov al, bh
|
|
out dx, al
|
|
|
|
set_io 0
|
|
mov al, CMD_RD1 + CMD_STA
|
|
out dx, al
|
|
|
|
mov dx, [ebp + device.asic_base]
|
|
test [ebp + device.flags], FLAG_16BIT
|
|
jz epw_003
|
|
|
|
DEBUGF 1,"in 16-bits mode"
|
|
|
|
shr cx, 1 ; note that if the number was odd, carry flag will be set
|
|
pushf ; save the flags for later
|
|
|
|
epw_002:
|
|
lodsw
|
|
out dx, ax
|
|
loopw epw_002
|
|
|
|
popf
|
|
jnc epw_004
|
|
inc cx
|
|
|
|
epw_003:
|
|
lodsb
|
|
out dx, al
|
|
loopw epw_003
|
|
|
|
epw_004:
|
|
set_io 0
|
|
set_io P0_ISR
|
|
|
|
epw_005: ; Wait for Remote DMA Complete
|
|
in al, dx
|
|
test al, ISR_RDC
|
|
jz epw_005
|
|
; and al, not ISR_RDC
|
|
out dx, al ; clear the bit
|
|
|
|
|
|
DEBUGF 1,"\n"
|
|
ret
|
|
|
|
|
|
|
|
;all initialized data place here
|
|
align 4
|
|
|
|
ne2000_DEV dd 0
|
|
version dd (5 shl 16) or (API_VERSION and 0xFFFF)
|
|
my_service db 'ne2000',0 ;max 16 chars include zero
|
|
devicename db 'Realtek 8029',0
|
|
db 'Realtek 8019',0
|
|
db 'Realtek 8019AS',0
|
|
db 'ne2000',0
|
|
db 'DP8390',0
|
|
|
|
test_data db 'NE*000 memory',0
|
|
;test_buffer db ' ',0
|
|
|
|
include_debug_strings
|
|
|
|
section '.data' data readable writable align 16
|
|
|
|
;place all uninitialized data place here
|
|
|
|
ne2000_LIST:
|
|
rd MAX_ne2000
|
|
|
|
|
|
|
|
|
|
|