mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-24 23:56:49 +03:00
Sceletone for a BCM57xx driver. Only for the brave!
git-svn-id: svn://kolibrios.org@3211 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
hidnplayr
parent
9aaf607f14
commit
49fa77deae
412
kernel/branches/net/drivers/bcm57xx.asm
Normal file
412
kernel/branches/net/drivers/bcm57xx.asm
Normal file
@ -0,0 +1,412 @@
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; ;;
|
||||
;; Copyright (C) KolibriOS team 2004-2013. All rights reserved. ;;
|
||||
;; Distributed under terms of the GNU General Public License ;;
|
||||
;; ;;
|
||||
;; Broadcom NetXtreme 57xx driver for KolibriOS ;;
|
||||
;; ;;
|
||||
;; ;;
|
||||
;; GNU GENERAL PUBLIC LICENSE ;;
|
||||
;; Version 2, June 1991 ;;
|
||||
;; ;;
|
||||
;; Broadcom's programmers's manual for the BCM57xx ;;
|
||||
;; http://www.broadcom.com/collateral/pg/57XX-PG105-R.pdf ;;
|
||||
;; ;;
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
|
||||
; TODO: make better use of the available descriptors
|
||||
|
||||
format MS COFF
|
||||
|
||||
API_VERSION = 0x01000100
|
||||
DRIVER_VERSION = 5
|
||||
|
||||
MAX_DEVICES = 16
|
||||
|
||||
DEBUG = 1
|
||||
__DEBUG__ = 1
|
||||
__DEBUG_LEVEL__ = 1
|
||||
|
||||
|
||||
include 'proc32.inc'
|
||||
include 'imports.inc'
|
||||
include 'fdo.inc'
|
||||
include 'netdrv.inc'
|
||||
|
||||
public START
|
||||
public service_proc
|
||||
public version
|
||||
|
||||
|
||||
virtual at ebx
|
||||
device:
|
||||
ETH_DEVICE
|
||||
|
||||
.mmio_addr dd ?
|
||||
.pci_bus dd ?
|
||||
.pci_dev dd ?
|
||||
.irq_line db ?
|
||||
|
||||
.cur_tx dd ?
|
||||
.last_tx dd ?
|
||||
|
||||
rb 0x100 - (($ - device) and 0xff)
|
||||
.rx_desc rd 256/8
|
||||
|
||||
rb 0x100 - (($ - device) and 0xff)
|
||||
.tx_desc rd 256/8
|
||||
|
||||
sizeof.device_struct = $ - device
|
||||
|
||||
end virtual
|
||||
|
||||
section '.flat' code readable align 16
|
||||
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; ;;
|
||||
;; proc START ;;
|
||||
;; ;;
|
||||
;; (standard driver proc) ;;
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
|
||||
align 4
|
||||
proc START stdcall, state:dword
|
||||
|
||||
cmp [state], 1
|
||||
jne .exit
|
||||
|
||||
.entry:
|
||||
|
||||
DEBUGF 2,"Loading %s driver\n", my_service
|
||||
stdcall RegService, my_service, service_proc
|
||||
ret
|
||||
|
||||
.fail:
|
||||
.exit:
|
||||
xor eax, eax
|
||||
ret
|
||||
|
||||
endp
|
||||
|
||||
|
||||
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; ;;
|
||||
;; proc SERVICE_PROC ;;
|
||||
;; ;;
|
||||
;; (standard driver proc) ;;
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
|
||||
align 4
|
||||
proc service_proc stdcall, ioctl:dword
|
||||
|
||||
mov edx, [ioctl]
|
||||
mov eax, [IOCTL.io_code]
|
||||
|
||||
;------------------------------------------------------
|
||||
|
||||
cmp eax, 0 ;SRV_GETVERSION
|
||||
jne @F
|
||||
|
||||
cmp [IOCTL.out_size], 4
|
||||
jb .fail
|
||||
mov eax, [IOCTL.output]
|
||||
mov [eax], dword API_VERSION
|
||||
|
||||
xor eax, eax
|
||||
ret
|
||||
|
||||
;------------------------------------------------------
|
||||
@@:
|
||||
cmp eax, 1 ;SRV_HOOK
|
||||
jne .fail
|
||||
|
||||
cmp [IOCTL.inp_size], 3 ; Data input must be at least 3 bytes
|
||||
jb .fail
|
||||
|
||||
mov eax, [IOCTL.input]
|
||||
cmp byte [eax], 1 ; 1 means device number and bus number (pci) are given
|
||||
jne .fail ; other types arent supported for this card yet
|
||||
|
||||
; check if the device is already listed
|
||||
|
||||
mov esi, device_list
|
||||
mov ecx, [devices]
|
||||
test ecx, ecx
|
||||
jz .firstdevice
|
||||
|
||||
; mov eax, [IOCTL.input] ; get the pci bus and device numbers
|
||||
mov ax, [eax+1] ;
|
||||
.nextdevice:
|
||||
mov ebx, [esi]
|
||||
cmp al, byte [device.pci_bus]
|
||||
jne .next
|
||||
cmp ah, byte [device.pci_dev]
|
||||
je .find_devicenum ; Device is already loaded, let's find it's device number
|
||||
.next:
|
||||
add esi, 4
|
||||
loop .nextdevice
|
||||
|
||||
|
||||
; This device doesnt have its own eth_device structure yet, lets create one
|
||||
.firstdevice:
|
||||
cmp [devices], MAX_DEVICES ; First check if the driver can handle one more card
|
||||
jae .fail
|
||||
|
||||
allocate_and_clear ebx, sizeof.device_struct, .fail ; Allocate the buffer for device structure
|
||||
|
||||
; Fill in the direct call addresses into the struct
|
||||
|
||||
mov [device.reset], reset
|
||||
mov [device.transmit], transmit
|
||||
mov [device.get_MAC], read_mac
|
||||
mov [device.set_MAC], .fail
|
||||
mov [device.unload], unload
|
||||
mov [device.name], my_service
|
||||
|
||||
; save the pci bus and device numbers
|
||||
|
||||
mov eax, [IOCTL.input]
|
||||
movzx ecx, byte [eax+1]
|
||||
mov [device.pci_bus], ecx
|
||||
movzx ecx, byte [eax+2]
|
||||
mov [device.pci_dev], ecx
|
||||
|
||||
; Now, it's time to find the base mmio addres of the PCI device
|
||||
|
||||
PCI_find_mmio32
|
||||
|
||||
; Create virtual mapping of the physical memory
|
||||
|
||||
push 1Bh ; PG_SW+PG_NOCACHE
|
||||
push 10000h ; size of the map
|
||||
push eax
|
||||
call MapIoMem
|
||||
mov [device.mmio_addr], eax
|
||||
|
||||
; We've found the mmio address, find IRQ now
|
||||
|
||||
PCI_find_irq
|
||||
|
||||
DEBUGF 1,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\
|
||||
[device.pci_dev]:1,[device.pci_bus]:1,[device.irq_line]:1,[device.mmio_addr]:8
|
||||
|
||||
; Ok, the eth_device structure is ready, let's probe the device
|
||||
call probe ; this function will output in eax
|
||||
test eax, eax
|
||||
jnz .err ; If an error occured, exit
|
||||
|
||||
mov eax, [devices] ; Add the device structure to our device list
|
||||
mov [device_list+4*eax], ebx ; (IRQ handler uses this list to find device)
|
||||
inc [devices] ;
|
||||
|
||||
mov [device.type], NET_TYPE_ETH
|
||||
call NetRegDev
|
||||
|
||||
cmp eax, -1
|
||||
je .destroy
|
||||
|
||||
ret
|
||||
|
||||
; If the device was already loaded, find the device number and return it in eax
|
||||
|
||||
.find_devicenum:
|
||||
DEBUGF 1,"Trying to find device number of already registered device\n"
|
||||
call NetPtrToNum ; 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
|
||||
|
||||
; If an error occured, remove all allocated data and exit (returning -1 in eax)
|
||||
|
||||
.destroy:
|
||||
; todo: reset device into virgin state
|
||||
|
||||
.err:
|
||||
stdcall KernelFree, ebx
|
||||
|
||||
.fail:
|
||||
or eax, -1
|
||||
ret
|
||||
|
||||
;------------------------------------------------------
|
||||
endp
|
||||
|
||||
|
||||
;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;;
|
||||
;; ;;
|
||||
;; Actual Hardware dependent code starts here ;;
|
||||
;; ;;
|
||||
;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;;
|
||||
|
||||
|
||||
align 4
|
||||
unload:
|
||||
; TODO: (in this particular order)
|
||||
;
|
||||
; - Stop the device
|
||||
; - Detach int handler
|
||||
; - Remove device from local list (device_list)
|
||||
; - call unregister function in kernel
|
||||
; - Remove all allocated structures and buffers the card used
|
||||
|
||||
or eax, -1
|
||||
|
||||
ret
|
||||
|
||||
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;;
|
||||
;; probe: enables the device (if it really is I8254X)
|
||||
;;
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
align 4
|
||||
probe:
|
||||
|
||||
DEBUGF 1,"Probe\n"
|
||||
|
||||
PCI_make_bus_master
|
||||
|
||||
; TODO: validate the device
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
align 4
|
||||
reset:
|
||||
|
||||
DEBUGF 1,"Reset\n"
|
||||
|
||||
movzx eax, [device.irq_line]
|
||||
DEBUGF 1,"Attaching int handler to irq %x\n", eax:1
|
||||
stdcall AttachIntHandler, eax, int_handler, dword 0
|
||||
test eax, eax
|
||||
jnz @f
|
||||
DEBUGF 1,"\nCould not attach int handler!\n"
|
||||
; or eax, -1
|
||||
; ret
|
||||
@@:
|
||||
|
||||
call read_mac
|
||||
|
||||
|
||||
ret
|
||||
|
||||
|
||||
|
||||
|
||||
align 4
|
||||
read_mac:
|
||||
|
||||
DEBUGF 1,"Read MAC\n"
|
||||
|
||||
mov esi, [device.mmio_addr]
|
||||
lea edi, [device.mac]
|
||||
movsd
|
||||
movsw
|
||||
|
||||
.mac_ok:
|
||||
DEBUGF 1,"MAC = %x-%x-%x-%x-%x-%x\n",\
|
||||
[device.mac+0]:2,[device.mac+1]:2,[device.mac+2]:2,[device.mac+3]:2,[device.mac+4]:2,[device.mac+5]:2
|
||||
|
||||
ret
|
||||
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; ;;
|
||||
;; Transmit ;;
|
||||
;; ;;
|
||||
;; In: buffer pointer in [esp+4] ;;
|
||||
;; size of buffer in [esp+8] ;;
|
||||
;; pointer to device structure in ebx ;;
|
||||
;; ;;
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
align 4
|
||||
transmit:
|
||||
DEBUGF 2,"\nTransmitting packet, buffer:%x, size:%u\n", [esp+4], [esp+8]
|
||||
mov eax, [esp+4]
|
||||
DEBUGF 2,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\
|
||||
[eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\
|
||||
[eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\
|
||||
[eax+13]:2,[eax+12]:2
|
||||
|
||||
cmp dword [esp + 8], 1514
|
||||
ja .fail
|
||||
cmp dword [esp + 8], 60
|
||||
jb .fail
|
||||
|
||||
|
||||
|
||||
|
||||
; Update stats
|
||||
inc [device.packets_tx]
|
||||
mov eax, [esp + 8]
|
||||
add dword [device.bytes_tx], eax
|
||||
adc dword [device.bytes_tx + 4], 0
|
||||
|
||||
ret 8
|
||||
|
||||
.fail:
|
||||
DEBUGF 1,"Send failed\n"
|
||||
ret 8
|
||||
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; ;;
|
||||
;; Interrupt handler ;;
|
||||
;; ;;
|
||||
;;;;;;;;;;;;;;;;;;;;;;;
|
||||
|
||||
align 4
|
||||
int_handler:
|
||||
|
||||
DEBUGF 1,"\n%s int\n", my_service
|
||||
;-------------------------------------------
|
||||
; Find pointer of device wich made IRQ occur
|
||||
|
||||
mov ecx, [devices]
|
||||
test ecx, ecx
|
||||
jz .nothing
|
||||
mov esi, device_list
|
||||
.nextdevice:
|
||||
mov ebx, [esi]
|
||||
|
||||
; mov edi, [device.mmio_addr]
|
||||
; mov eax, [edi + REG_ICR]
|
||||
test eax, eax
|
||||
jnz .got_it
|
||||
.continue:
|
||||
add esi, 4
|
||||
dec ecx
|
||||
jnz .nextdevice
|
||||
.nothing:
|
||||
ret
|
||||
|
||||
.got_it:
|
||||
|
||||
DEBUGF 1,"Device: %x Status: %x ", ebx, eax
|
||||
|
||||
ret
|
||||
|
||||
|
||||
|
||||
|
||||
; End of code
|
||||
|
||||
section '.data' data readable writable align 16
|
||||
align 4
|
||||
|
||||
devices dd 0
|
||||
version dd (DRIVER_VERSION shl 16) or (API_VERSION and 0xFFFF)
|
||||
my_service db 'BCM57XX',0 ; max 16 chars include zero
|
||||
|
||||
include_debug_strings ; All data wich FDO uses will be included here
|
||||
|
||||
device_list rd MAX_DEVICES ; This list contains all pointers to device structures the driver is handling
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user