forked from KolibriOS/kolibrios
Changes in net_branch:
Fixed yet another bug in RTL8139 driver (should be almost bug-free now) Added 3com driver (only boomerang cards tested) If somebody has a vortex type 3com card, please help me debug the driver! git-svn-id: svn://kolibrios.org@1472 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
hidnplayr
parent
28d7f704a9
commit
9ca8f38b9e
3018
kernel/branches/net/drivers/3c59x.asm
Normal file
3018
kernel/branches/net/drivers/3c59x.asm
Normal file
File diff suppressed because it is too large
Load Diff
@ -21,11 +21,12 @@ format MS COFF
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DEBUG equ 1
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__DEBUG__ equ 1
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__DEBUG_LEVEL__ equ 1
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__DEBUG_LEVEL__ equ 2
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include 'proc32.inc'
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include 'imports.inc'
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include 'fdo.inc'
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include 'netdrv.inc'
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OS_BASE equ 0;
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new_app_base equ 0x60400000
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@ -35,18 +36,6 @@ public START
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public service_proc
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public version
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struc IOCTL {
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.handle dd ?
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.io_code dd ?
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.input dd ?
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.inp_size dd ?
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.output dd ?
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.out_size dd ?
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}
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virtual at 0
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IOCTL IOCTL
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end virtual
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struc ETH_DEVICE {
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; pointers to procedures
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@ -75,23 +64,15 @@ struc ETH_DEVICE {
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.pci_dev db ?
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.irq_line db ?
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.hw_ver_id db ?
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.size:
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.size = $ - device
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}
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virtual at 0
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virtual at ebx
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device ETH_DEVICE
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end virtual
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; PCI Bus defines
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PCI_HEADER_TYPE equ 0x0e ;8 bit
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PCI_BASE_ADDRESS_0 equ 0x10 ;32 bit
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PCI_BASE_ADDRESS_5 equ 0x24 ;32 bits
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PCI_BASE_ADDRESS_SPACE_IO equ 0x01
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PCI_VENDOR_ID equ 0x00 ;16 bit
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PCI_BASE_ADDRESS_IO_MASK equ 0xFFFFFFFC
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; RTL8139 specific defines
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MAX_RTL8139 equ 16 ; Max number of devices this driver may handle
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@ -194,13 +175,13 @@ end virtual
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(RX_MXDMA shl BIT_RX_MXDMA) or \
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(1 shl BIT_NOWRAP) or \
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(RXFTH shl BIT_RXFTH) or\
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(1 shl BIT_AB) or \
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(1 shl BIT_APM) or \
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(1 shl BIT_AER) or \
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(1 shl BIT_AR) or \
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(1 shl BIT_AM)
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(1 shl BIT_AB) or \ ; Accept broadcast packets
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(1 shl BIT_APM) or \ ; Accept physical match packets
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(1 shl BIT_AER) or \ ; Accept error packets
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(1 shl BIT_AR) or \ ; Accept Runt packets (smaller then 64 bytes)
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(1 shl BIT_AM) ; Accept multicast packets
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RX_BUFFER_SIZE equ (8192 shl RBLEN)
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RX_BUFFER_SIZE equ (8192 shl RBLEN);+16
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MAX_ETH_FRAME_SIZE equ 1516 ; exactly 1514 wthout CRC
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NUM_TX_DESC equ 4
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TX_BUF_SIZE equ 4096 ; size of one tx buffer (set to 4kb because of KolibriOS's page size)
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@ -279,7 +260,7 @@ proc START stdcall, state:dword
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.entry:
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DEBUGF 1,"Loading rtl8139 driver\n"
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DEBUGF 2,"Loading rtl8139 driver\n"
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stdcall RegService, my_service, service_proc
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ret
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@ -302,16 +283,20 @@ align 4
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proc service_proc stdcall, ioctl:dword
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mov edx, [ioctl]
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<<<<<<< .mine
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mov eax, [IOCTL.io_code]
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=======
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mov eax, [edx+IOCTL.io_code]
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>>>>>>> .r1471
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;------------------------------------------------------
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cmp eax, 0 ;SRV_GETVERSION
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jne @F
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cmp [edx+IOCTL.out_size], 4
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cmp [IOCTL.out_size], 4
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jl .fail
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mov eax, [edx+IOCTL.output]
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mov eax, [IOCTL.output]
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mov [eax], dword API_VERSION
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xor eax, eax
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@ -322,10 +307,10 @@ proc service_proc stdcall, ioctl:dword
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cmp eax, 1 ;SRV_HOOK
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jne .fail
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cmp [edx + IOCTL.inp_size], 3 ; Data input must be at least 3 bytes
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cmp [IOCTL.inp_size], 3 ; Data input must be at least 3 bytes
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jl .fail
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mov eax, [edx + IOCTL.input]
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mov eax, [IOCTL.input]
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cmp byte [eax], 1 ; 1 means device number and bus number (pci) are given
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jne .fail ; other types arent supported for this card yet
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@ -335,15 +320,17 @@ proc service_proc stdcall, ioctl:dword
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mov ecx, [RTL8139_DEV]
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test ecx, ecx
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jz .firstdevice
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; mov eax, [edx+IOCTL.input] ; get the pci bus and device numbers
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mov bx , [eax+1] ;
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.nextdevice:
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lodsd
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cmp bx , word [eax + device.pci_bus] ; compare with pci and device num in RTL8139 list (notice the usage of word instead of byte)
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je .find_devicenum ; Device is already loaded, let's find it's device number
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; mov eax, [IOCTL.input] ; get the pci bus and device numbers
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mov ax , [eax+1] ;
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.nextdevice:
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mov ebx, [esi]
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cmp ax , word [device.pci_bus] ; compare with pci and device num in device list (notice the usage of word instead of byte)
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je .find_devicenum ; Device is already loaded, let's find it's device number
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add esi, 4
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loop .nextdevice
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; This device doesnt have its own eth_device structure yet, lets create one
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.firstdevice:
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cmp [RTL8139_DEV], MAX_RTL8139 ; First check if the driver can handle one more card
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@ -358,94 +345,41 @@ proc service_proc stdcall, ioctl:dword
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; Fill in the direct call addresses into the struct
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mov dword [ebx+device.reset], reset
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mov dword [ebx+device.transmit], transmit
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mov dword [ebx+device.get_MAC], read_mac
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mov dword [ebx+device.set_MAC], write_mac
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mov dword [ebx+device.unload], unload
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mov dword [ebx+device.name], my_service
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mov dword [device.reset], reset
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mov dword [device.transmit], transmit
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mov dword [device.get_MAC], read_mac
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mov dword [device.set_MAC], write_mac
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mov dword [device.unload], unload
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mov dword [device.name], my_service
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; save the pci bus and device numbers
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mov eax, [edx+IOCTL.input]
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mov eax, [IOCTL.input]
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mov cl , [eax+1]
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mov [ebx+device.pci_bus], cl
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mov [device.pci_bus], cl
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mov cl , [eax+2]
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mov [ebx+device.pci_dev], cl
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mov [device.pci_dev], cl
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; Now, it's time to find the base io addres of the PCI device
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; TODO: implement check if bus and dev exist on this machine
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mov edx, PCI_BASE_ADDRESS_0
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.reg_check:
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movzx eax, byte [ebx+device.pci_bus]
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movzx ecx, byte [ebx+device.pci_dev]
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push edx ecx
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stdcall PciRead16, eax ,ecx ,edx
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pop ecx edx
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mov [ebx+device.io_addr], eax
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and eax, PCI_BASE_ADDRESS_IO_MASK
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test eax, eax
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jz .inc_reg
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mov eax, [ebx+device.io_addr]
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and eax, PCI_BASE_ADDRESS_SPACE_IO
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test eax, eax
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jz .inc_reg
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mov eax, [ebx+device.io_addr]
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and eax, PCI_BASE_ADDRESS_IO_MASK
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mov [ebx+device.io_addr], eax
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jmp .got_io
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.inc_reg:
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add edx, 4
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cmp edx, PCI_BASE_ADDRESS_5
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jbe .reg_check
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.got_io:
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find_io [device.pci_bus], [device.pci_dev], [device.io_addr]
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; We've found the io address, find IRQ now
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movzx eax, byte [ebx+device.pci_bus]
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movzx ecx, byte [ebx+device.pci_dev]
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movzx eax, byte [device.pci_bus]
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movzx ecx, byte [device.pci_dev]
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push ebx
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stdcall PciRead8, eax ,ecx ,0x3c ; 0x3c is the offset where irq can be found
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pop ebx
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mov byte [ebx+device.irq_line], al
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mov byte [device.irq_line], al
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DEBUGF 1,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\
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[ebx+device.pci_dev]:1,[ebx+device.pci_bus]:1,[ebx+device.irq_line]:1,[ebx+device.io_addr]:4
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DEBUGF 2,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\
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[device.pci_dev]:1,[device.pci_bus]:1,[device.irq_line]:1,[device.io_addr]:4
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; Allocate the Receive buffer
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stdcall KernelAlloc, dword (RX_BUFFER_SIZE+MAX_ETH_FRAME_SIZE)
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test eax, eax
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jz .err
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mov [ebx+device.rx_buffer], eax ; Save the address to it into the device struct
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; Now, Clear the allocated buffer
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cld
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mov edi, eax
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mov ecx, (RX_BUFFER_SIZE)/4 ; divide by 4 because we are going to use DWORD
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xor eax, eax
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rep stosd
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; Allocate the Transmit Buffer
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stdcall KernelAlloc, dword (TX_BUF_SIZE*NUM_TX_DESC)
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test eax, eax
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jz .err
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mov [ebx+device.tx_buffer], eax
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; This one needs to be cleared too..
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mov edi, eax
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mov ecx, (TX_BUF_SIZE*NUM_TX_DESC)/4
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xor eax, eax
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rep stosd
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allocate_and_clear [device.rx_buffer], (RX_BUFFER_SIZE+MAX_ETH_FRAME_SIZE), .err
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allocate_and_clear [device.tx_buffer], (TX_BUF_SIZE*NUM_TX_DESC), .err
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; Ok, the eth_device structure is ready, let's probe the device
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@ -467,12 +401,12 @@ proc service_proc stdcall, ioctl:dword
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; If the device was already loaded, find the device number and return it in eax
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.find_devicenum:
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DEBUGF 1,"Trying to find device number of already registered device\n"
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DEBUGF 2,"Trying to find device number of already registered device\n"
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mov ebx, eax
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call EthStruc2Dev ; This kernel procedure converts a pointer to device struct in ebx
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; into a device number in edi
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mov eax, edi ; Application wants it in eax instead
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DEBUGF 1,"Kernel says: %u\n", eax
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DEBUGF 2,"Kernel says: %u\n", eax
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ret
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; If an error occured, remove all allocated data and exit (returning -1 in eax)
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@ -481,8 +415,8 @@ proc service_proc stdcall, ioctl:dword
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; todo: reset device into virgin state
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.err:
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stdcall KernelFree, dword [ebx+device.rx_buffer]
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stdcall KernelFree, dword [ebx+device.tx_buffer]
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stdcall KernelFree, dword [device.rx_buffer]
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stdcall KernelFree, dword [device.tx_buffer]
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stdcall KernelFree, ebx
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@ -525,23 +459,12 @@ align 4
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probe:
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DEBUGF 2,"Probing rtl8139 device: "
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; enable the device
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movzx eax, byte [ebx+device.pci_bus]
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movzx ecx, byte [ebx+device.pci_dev]
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stdcall PciRead32, eax ,ecx ,PCI_REG_CMD
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mov cx , ax
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or cl , (1 shl PCI_BIT_MASTER) or (1 shl PCI_BIT_PIO)
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and cl , not (1 shl PCI_BIT_MMIO)
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movzx eax, byte [ebx+device.pci_bus]
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movzx edx, byte [ebx+device.pci_dev]
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stdcall PciWrite32, eax ,edx ,PCI_REG_CMD, ecx
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make_bus_master [device.pci_bus], [device.pci_dev]
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; get chip version
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mov edx, [ebx+device.io_addr]
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add edx, REG_TXCONFIG + 2
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set_io 0
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set_io REG_TXCONFIG + 2
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in ax , dx
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shr ah , 2
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shr ax , 6
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@ -554,33 +477,33 @@ probe:
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jns .chip_ver_loop
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xor cl , cl ; default RTL8139
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.chip_ver_found:
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mov [ebx+device.hw_ver_id], cl
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mov [device.hw_ver_id], cl
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shl ecx, 2
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add ecx, name_crosslist
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add ecx, crosslist
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mov ecx, [ecx]
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mov dword [ebx+device.name], ecx
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mov [device.name], ecx
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DEBUGF 1,"Chip version: %s\n",ecx
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DEBUGF 2,"Chip version: %s\n",ecx
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; wake up the chip
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mov edx, [ebx+device.io_addr]
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add edx, REG_HLTCLK
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set_io 0
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set_io REG_HLTCLK
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mov al , 'R' ; run the clock
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out dx , al
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; unlock config and BMCR registers
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add edx, REG_9346CR - REG_HLTCLK
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set_io REG_9346CR
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mov al , (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EEM0)
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out dx , al
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; enable power management
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add edx, REG_CONFIG1 - REG_9346CR
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set_io REG_CONFIG1
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in al , dx
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cmp byte [ebx+device.hw_ver_id], IDX_RTL8139B
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cmp [device.hw_ver_id], IDX_RTL8139B
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jl .old_chip
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; set LWAKE pin to active high (default value).
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@ -591,10 +514,12 @@ probe:
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or al , (1 shl BIT_PMEn)
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and al , not (1 shl BIT_LWACT)
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out dx , al
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add edx, REG_CONFIG4 - REG_CONFIG1
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set_io REG_CONFIG4
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in al , dx
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and al , not (1 shl BIT_LWPTN)
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out dx , al
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jmp .finish_wake_up
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.old_chip:
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@ -607,8 +532,8 @@ probe:
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; lock config and BMCR registers
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xor al , al
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mov edx, [ebx+device.io_addr]
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add edx, REG_9346CR
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set_io 0
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set_io REG_9346CR
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out dx , al
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DEBUGF 2,"done!\n"
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@ -624,7 +549,7 @@ reset:
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; attach int handler
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movzx eax, [ebx+device.irq_line]
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movzx eax, [device.irq_line]
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DEBUGF 1,"Attaching int handler to irq %x, ",eax:1
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stdcall AttachIntHandler, eax, int_handler, dword 0
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test eax, eax
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@ -637,8 +562,8 @@ reset:
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; reset chip
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DEBUGF 1,"Resetting chip\n"
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mov edx, [ebx+device.io_addr]
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add edx, REG_COMMAND
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set_io 0
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set_io REG_COMMAND
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mov al , 1 shl BIT_RST
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out dx , al
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mov cx , 1000 ; wait no longer for the reset
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@ -652,48 +577,48 @@ reset:
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; unlock config and BMCR registers
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mov edx, [ebx+device.io_addr]
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add edx, REG_9346CR
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set_io REG_9346CR
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mov al , (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EEM0)
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out dx , al
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; initialize multicast registers (no filtering)
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mov eax, 0xffffffff
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add edx, REG_MAR0 - REG_9346CR
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set_io REG_MAR0
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out dx , eax
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add edx, REG_MAR4 - REG_MAR0
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set_io REG_MAR4
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out dx , eax
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; enable Rx/Tx
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mov al , (1 shl BIT_RE) or (1 shl BIT_TE)
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add edx, REG_COMMAND - REG_MAR4
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set_io REG_COMMAND
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out dx , al
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; 32k Rxbuffer, unlimited dma burst, no wrapping, no rx threshold
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; accept broadcast packets, accept physical match packets
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mov ax , RX_CONFIG
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add edx, REG_RXCONFIG - REG_COMMAND
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set_io REG_RXCONFIG
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out dx , ax
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; 1024 bytes DMA burst, total retries = 16 + 8 * 16 = 144
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mov eax , (TX_MXDMA shl BIT_TX_MXDMA) or (TXRR shl BIT_TXRR) or BIT_IFG1 or BIT_IFG0
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add edx, REG_TXCONFIG - REG_RXCONFIG
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set_io REG_TXCONFIG
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out dx , eax
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; enable auto negotiation
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add edx, REG_BMCR - REG_TXCONFIG
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set_io REG_BMCR
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in ax , dx
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or ax , (1 shl BIT_ANE)
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out dx , ax
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; set auto negotiation advertisement
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add edx, REG_ANAR - REG_BMCR
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set_io REG_ANAR
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in ax , dx
|
||||
or ax , (1 shl BIT_SELECTOR) or (1 shl BIT_10) or (1 shl BIT_10FD) or (1 shl BIT_TX) or (1 shl BIT_TXFD)
|
||||
out dx , ax
|
||||
@ -701,52 +626,52 @@ reset:
|
||||
; lock config and BMCR registers
|
||||
|
||||
xor eax, eax
|
||||
add edx, REG_9346CR - REG_ANAR
|
||||
set_io REG_9346CR
|
||||
out dx , al
|
||||
|
||||
; init RX/TX pointers
|
||||
|
||||
mov [ebx+device.rx_data_offset], eax
|
||||
mov [ebx+device.curr_tx_desc], al
|
||||
mov [device.rx_data_offset], eax
|
||||
mov [device.curr_tx_desc], al
|
||||
|
||||
; clear packet/byte counters
|
||||
|
||||
lea edi, [ebx+device.bytes_tx] ; TODO: check if destroying edi, ecx doesnt harm anything
|
||||
lea edi, [device.bytes_tx]
|
||||
mov ecx, 6
|
||||
rep stosd
|
||||
|
||||
; clear missing packet counter
|
||||
|
||||
add edx, REG_MPC - REG_9346CR
|
||||
set_io REG_MPC
|
||||
out dx , eax
|
||||
|
||||
; Set up the 4 Txbuffer descriptors
|
||||
|
||||
add edx, REG_TSAD0 - REG_MPC
|
||||
mov eax, [ebx+device.tx_buffer]
|
||||
set_io REG_TSAD0
|
||||
mov eax, [device.tx_buffer]
|
||||
mov ecx, 4
|
||||
.loop:
|
||||
push eax
|
||||
call GetPgAddr
|
||||
DEBUGF 2,"Desc: %x ", eax
|
||||
DEBUGF 1,"Desc: %x ", eax
|
||||
out dx , eax
|
||||
add dx , 4
|
||||
pop eax
|
||||
add eax, TX_BUF_SIZE
|
||||
loop .loop
|
||||
|
||||
; set RxBuffer address, init RX buffer offset, init TX ring
|
||||
; set RxBuffer address, init RX buffer offset
|
||||
|
||||
mov eax, [ebx+device.rx_buffer]
|
||||
mov eax, [device.rx_buffer]
|
||||
call GetPgAddr
|
||||
mov edx, [ebx+device.io_addr]
|
||||
add edx, REG_RBSTART
|
||||
set_io 0
|
||||
set_io REG_RBSTART
|
||||
out dx , eax
|
||||
|
||||
; enable interrupts
|
||||
|
||||
mov eax, INTERRUPT_MASK
|
||||
add edx, REG_IMR - REG_RBSTART
|
||||
set_io REG_IMR
|
||||
out dx , ax
|
||||
|
||||
; Read MAC address
|
||||
@ -786,9 +711,9 @@ transmit:
|
||||
jl .finish ; packet is too short
|
||||
|
||||
; check descriptor
|
||||
; DEBUGF 1,"Checking descriptor, "
|
||||
movzx ecx, [ebx+device.curr_tx_desc]
|
||||
mov edx, [ebx+device.io_addr]
|
||||
DEBUGF 1,"Checking descriptor, "
|
||||
movzx ecx, [device.curr_tx_desc]
|
||||
mov edx, [device.io_addr]
|
||||
lea edx, [edx+ecx*4+REG_TSD0]
|
||||
in ax, dx
|
||||
test ax, 0x1fff ; or no size given
|
||||
@ -797,7 +722,7 @@ transmit:
|
||||
cmp ax, (1 shl BIT_TOK) or (1 shl BIT_OWN)
|
||||
jz .send_packet
|
||||
; wait for timeout
|
||||
; DEBUGF 1,"Waiting for timeout, "
|
||||
DEBUGF 1,"Waiting for timeout, "
|
||||
|
||||
push edx ebx ; TODO : rtl8139 internal timer should be used instead
|
||||
stdcall Sleep, TX_TIMEOUT ; ? What registers does this destroy ?
|
||||
@ -811,13 +736,13 @@ transmit:
|
||||
call reset ; reset the card
|
||||
pop dx
|
||||
.send_packet:
|
||||
; DEBUGF 1,"Sending packet, "
|
||||
DEBUGF 1,"Sending packet, "
|
||||
|
||||
push edx
|
||||
movzx eax, [ebx+device.curr_tx_desc] ; calculate the current tx_buffer address
|
||||
movzx eax, [device.curr_tx_desc] ; calculate the current tx_buffer address
|
||||
mov edx, TX_BUF_SIZE ;MAX_ETH_FRAME_SIZE ;
|
||||
mul edx ;
|
||||
mov edi, [ebx+device.tx_buffer] ;
|
||||
mov edi, [device.tx_buffer] ;
|
||||
add edi, eax ; Store it in edi
|
||||
pop edx
|
||||
|
||||
@ -829,22 +754,22 @@ transmit:
|
||||
and ecx, 3 ;
|
||||
rep movsb ;
|
||||
|
||||
inc [ebx+device.packets_tx] ;
|
||||
inc [device.packets_tx] ;
|
||||
mov eax, [esp+8] ; Get packet size in eax
|
||||
|
||||
add dword [ebx + device.bytes_tx], eax
|
||||
adc dword [ebx + device.bytes_tx + 4], 0
|
||||
add dword [device.bytes_tx], eax
|
||||
adc dword [device.bytes_tx + 4], 0
|
||||
|
||||
; or eax, (ERTXTH shl BIT_ERTXTH) ; Set descriptor size and the early tx treshold into the correct Transmission status register (TSD0, TSD1, TSD2 or TSD3)
|
||||
out dx , eax ;
|
||||
|
||||
; get next descriptor 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, ...
|
||||
inc [ebx+device.curr_tx_desc]
|
||||
and [ebx+device.curr_tx_desc], 3
|
||||
inc [device.curr_tx_desc]
|
||||
and [device.curr_tx_desc], 3
|
||||
|
||||
DEBUGF 2," - Packet Sent! "
|
||||
DEBUGF 1," - Packet Sent! "
|
||||
.finish:
|
||||
DEBUGF 2," - Done!\n"
|
||||
DEBUGF 1," - Done!\n"
|
||||
ret
|
||||
|
||||
|
||||
@ -869,8 +794,8 @@ int_handler:
|
||||
.nextdevice:
|
||||
mov ebx, dword [esi]
|
||||
|
||||
mov edx, dword [ebx+device.io_addr] ; get IRQ reason
|
||||
add edx, REG_ISR
|
||||
set_io 0
|
||||
set_io REG_ISR
|
||||
in ax , dx
|
||||
out dx , ax ; send it back to ACK
|
||||
|
||||
@ -897,64 +822,80 @@ int_handler:
|
||||
push ax
|
||||
|
||||
.receive:
|
||||
mov edx, dword [ebx+device.io_addr] ; get IRQ reason
|
||||
add edx, REG_COMMAND ;
|
||||
in al , dx ;
|
||||
set_io 0
|
||||
set_io REG_COMMAND
|
||||
in al , dx
|
||||
test al , BUFE ; test if RX buffer is empty
|
||||
jnz .finish ;
|
||||
|
||||
DEBUGF 2,"RX: "
|
||||
DEBUGF 1,"RX: "
|
||||
|
||||
mov eax, dword [ebx+device.rx_buffer]
|
||||
add eax, dword [ebx+device.rx_data_offset]
|
||||
mov eax, [device.rx_buffer]
|
||||
add eax, [device.rx_data_offset]
|
||||
test byte [eax], (1 shl BIT_ROK) ; check if packet is ok
|
||||
jz .reset_rx
|
||||
|
||||
; packet is ok, copy it
|
||||
movzx ecx, word [eax+2] ; packet length
|
||||
add dword [ebx + device.bytes_rx], ecx ; Update stats
|
||||
adc dword [ebx + device.bytes_rx + 4], 0
|
||||
inc dword [ebx + device.packets_rx] ;
|
||||
|
||||
; Update stats
|
||||
add dword [device.bytes_rx], ecx
|
||||
adc dword [device.bytes_rx + 4], 0
|
||||
inc dword [device.packets_rx]
|
||||
|
||||
sub ecx, 4 ; don't copy CRC
|
||||
|
||||
DEBUGF 1,"Received %u bytes\n", ecx
|
||||
|
||||
push ebx eax ecx
|
||||
stdcall KernelAlloc, ecx ; Allocate a buffer to put packet into
|
||||
pop ecx
|
||||
test eax, eax ; Test if we allocated succesfully
|
||||
jz .abort ;
|
||||
jz .abort
|
||||
|
||||
mov edi, eax ; Set up registers to copy the packet
|
||||
mov esi, [esp] ;
|
||||
|
||||
mov edi, eax ; Where we will copy too
|
||||
|
||||
mov esi, [esp] ; The buffer we will copy from
|
||||
add esi, 4 ; Dont copy CRC
|
||||
|
||||
push dword .abort ; Kernel will return to this address after EthReceiver
|
||||
push ecx edi ; Save buffer pointer and size, to pass to kernel
|
||||
|
||||
shr ecx, 2
|
||||
cld
|
||||
rep movsd ; copy the dwords
|
||||
mov ecx, [esp+4]
|
||||
and ecx, 3
|
||||
rep movsb ; copy the rest bytes
|
||||
.copy:
|
||||
shr ecx, 1
|
||||
jnc .nb
|
||||
movsb
|
||||
.nb:
|
||||
shr ecx, 1
|
||||
jnc .nw
|
||||
movsw
|
||||
.nw:
|
||||
jz .nd
|
||||
rep movsd
|
||||
.nd:
|
||||
|
||||
jmp EthReceiver ; Send it to kernel
|
||||
|
||||
|
||||
.abort:
|
||||
pop eax ebx
|
||||
; update eth_data_start_offset
|
||||
movzx eax, word [eax+2] ; packet length
|
||||
add eax, [ebx+device.rx_data_offset]
|
||||
add eax, [device.rx_data_offset]
|
||||
add eax, 4+3 ; packet header is 4 bytes long + dword alignment
|
||||
and eax, not 3 ; dword alignment
|
||||
|
||||
cmp eax, RX_BUFFER_SIZE
|
||||
jl .no_wrap
|
||||
DEBUGF 2,"Wrapping"
|
||||
sub eax, RX_BUFFER_SIZE
|
||||
.no_wrap:
|
||||
mov [ebx+device.rx_data_offset], eax
|
||||
DEBUGF 1,"New RX ptr: %u", eax
|
||||
mov [device.rx_data_offset], eax
|
||||
DEBUGF 1,"New RX ptr: %d ", eax
|
||||
|
||||
mov edx, dword [ebx+device.io_addr]
|
||||
add edx, REG_CAPR ; update 'Current Address of Packet Read register'
|
||||
set_io 0
|
||||
set_io REG_CAPR ; update 'Current Address of Packet Read register'
|
||||
sub eax, 0x10 ; value 0x10 is a constant for CAPR
|
||||
out dx , ax
|
||||
|
||||
@ -996,33 +937,33 @@ int_handler:
|
||||
jz @f
|
||||
|
||||
push ax
|
||||
cmp [ebx+device.curr_tx_desc], 4
|
||||
cmp [device.curr_tx_desc], 4
|
||||
jz .notxd
|
||||
|
||||
mov edx, [ebx+device.io_addr]
|
||||
movzx ecx, [ebx+device.curr_tx_desc]
|
||||
set_io 0
|
||||
movzx ecx, [device.curr_tx_desc]
|
||||
lea edx, [edx+ecx*4+REG_TSD0]
|
||||
in eax, dx
|
||||
|
||||
.notxd:
|
||||
test eax, TSR_TUN
|
||||
jz .nobun
|
||||
DEBUGF 1, "TX: FIFO Buffer underrun!\n"
|
||||
DEBUGF 2, "TX: FIFO Buffer underrun!\n"
|
||||
|
||||
.nobun:
|
||||
test eax, TSR_OWC
|
||||
jz .noowc
|
||||
DEBUGF 1, "TX: OWC!\n"
|
||||
DEBUGF 2, "TX: OWC!\n"
|
||||
|
||||
.noowc:
|
||||
test eax, TSR_TABT
|
||||
jz .notabt
|
||||
DEBUGF 1, "TX: TABT!\n"
|
||||
DEBUGF 2, "TX: TABT!\n"
|
||||
|
||||
.notabt:
|
||||
test eax, TSR_CRS
|
||||
jz .nocsl
|
||||
DEBUGF 1, "TX: Carrier Sense Lost!\n"
|
||||
DEBUGF 2, "TX: Carrier Sense Lost!\n"
|
||||
|
||||
.nocsl:
|
||||
; test eax, TSR_OWN or TSR_TOK
|
||||
@ -1039,7 +980,7 @@ int_handler:
|
||||
test ax, ISR_TOK
|
||||
jz @f
|
||||
|
||||
DEBUGF 1, "TX: Transmit OK (desc: %u)\n", [ebx+device.curr_tx_desc]:1
|
||||
DEBUGF 1, "TX: Transmit OK (desc: %u)\n", [device.curr_tx_desc]:1
|
||||
|
||||
;----------------------------------------------------
|
||||
; Rx buffer overflow ?
|
||||
@ -1049,9 +990,9 @@ int_handler:
|
||||
jz @f
|
||||
|
||||
push ax
|
||||
DEBUGF 1,"RX-buffer overflow!\n"
|
||||
DEBUGF 2,"RX-buffer overflow!\n"
|
||||
|
||||
mov edx, [ebx+device.io_addr]
|
||||
mov edx, [device.io_addr]
|
||||
add edx, REG_ISR
|
||||
mov ax , ISR_FIFOOVW or ISR_RXOVW
|
||||
out dx , ax
|
||||
@ -1065,7 +1006,7 @@ int_handler:
|
||||
test ax, ISR_PUN
|
||||
jz @f
|
||||
|
||||
DEBUGF 1,"Packet underrun!\n"
|
||||
DEBUGF 2,"Packet underrun!\n"
|
||||
|
||||
;----------------------------------------------------
|
||||
; Receive FIFO overflow ?
|
||||
@ -1077,7 +1018,7 @@ int_handler:
|
||||
push ax
|
||||
DEBUGF 2,"RX fifo overflox!\n"
|
||||
|
||||
mov edx, [ebx+device.io_addr]
|
||||
mov edx, [device.io_addr]
|
||||
add edx, REG_ISR
|
||||
mov ax , ISR_FIFOOVW or ISR_RXOVW
|
||||
out dx , ax
|
||||
@ -1097,7 +1038,7 @@ int_handler:
|
||||
|
||||
.fail:
|
||||
|
||||
DEBUGF 2,"\n"
|
||||
DEBUGF 1,"\n"
|
||||
ret
|
||||
|
||||
|
||||
@ -1113,7 +1054,7 @@ align 4
|
||||
cable:
|
||||
DEBUGF 1,"Checking Cable status: "
|
||||
|
||||
mov edx, dword [ebx+device.io_addr]
|
||||
mov edx, dword [device.io_addr]
|
||||
add edx, REG_MSR
|
||||
in al , dx
|
||||
|
||||
@ -1126,7 +1067,7 @@ cable:
|
||||
shr al, 2
|
||||
and al, 3
|
||||
|
||||
mov byte [ebx+device.mode+3], al
|
||||
mov byte [device.mode+3], al
|
||||
DEBUGF 1,"Done!\n"
|
||||
ret
|
||||
|
||||
@ -1141,48 +1082,47 @@ ret
|
||||
align 4
|
||||
write_mac: ; in: mac pushed onto stack (as 3 words)
|
||||
|
||||
DEBUGF 1,"Writing MAC: "
|
||||
DEBUGF 2,"Writing MAC: "
|
||||
|
||||
; disable all in command registers
|
||||
|
||||
mov edx, [ebx+device.io_addr]
|
||||
add edx, REG_9346CR
|
||||
set_io 0
|
||||
set_io REG_9346CR
|
||||
xor eax, eax
|
||||
out dx , al
|
||||
|
||||
add edx, REG_IMR - REG_9346CR
|
||||
set_io REG_IMR
|
||||
xor eax, eax
|
||||
out dx , ax
|
||||
|
||||
add edx, REG_ISR - REG_IMR
|
||||
set_io REG_ISR
|
||||
mov eax, -1
|
||||
out dx , ax
|
||||
|
||||
; enable writing
|
||||
|
||||
|
||||
add edx, REG_9346CR - REG_ISR
|
||||
set_io REG_9346CR
|
||||
mov eax, REG_9346CR_WE
|
||||
out dx , al
|
||||
|
||||
; write the mac ...
|
||||
|
||||
add edx, REG_IDR0 - REG_9346CR
|
||||
set_io REG_IDR0
|
||||
pop eax
|
||||
out dx , eax
|
||||
|
||||
add edx, 4
|
||||
set_io REG_IDR0+4
|
||||
xor eax, eax
|
||||
pop ax
|
||||
out dx , eax
|
||||
|
||||
; disable writing
|
||||
|
||||
add edx, REG_9346CR -REG_IDR0
|
||||
set_io REG_9346CR
|
||||
xor eax, eax
|
||||
out dx , al
|
||||
|
||||
DEBUGF 1,"ok!\n"
|
||||
DEBUGF 2,"ok!\n"
|
||||
|
||||
; Notice this procedure does not ret, but continues to read_mac instead.
|
||||
|
||||
@ -1194,17 +1134,17 @@ write_mac: ; in: mac pushed onto stack (as 3 words)
|
||||
;;;;;;;;;;;;;;;;;;;;;;
|
||||
|
||||
read_mac:
|
||||
DEBUGF 1,"Reading MAC: "
|
||||
DEBUGF 2,"Reading MAC: "
|
||||
|
||||
mov edx, [ebx + device.io_addr]
|
||||
lea edi, [ebx + device.mac]
|
||||
set_io 0
|
||||
lea edi, [device.mac]
|
||||
in eax, dx
|
||||
stosd
|
||||
add edx, 4
|
||||
in ax, dx
|
||||
stosw
|
||||
|
||||
DEBUGF 1,"%x-%x-%x-%x-%x-%x\n",[edi-6]:2,[edi-5]:2,[edi-4]:2,[edi-3]:2,[edi-2]:2,[edi-1]:2
|
||||
DEBUGF 2,"%x-%x-%x-%x-%x-%x\n",[edi-6]:2,[edi-5]:2,[edi-4]:2,[edi-3]:2,[edi-2]:2,[edi-1]:2
|
||||
|
||||
ret
|
||||
|
||||
@ -1225,10 +1165,10 @@ align 4
|
||||
read_eeprom:
|
||||
DEBUGF 2,"Reading eeprom, "
|
||||
|
||||
mov edx, [ebx+device.io_addr]
|
||||
set_io 0
|
||||
push ebx
|
||||
movzx ebx, al
|
||||
add edx, REG_RXCONFIG
|
||||
set_io REG_RXCONFIG
|
||||
in al, dx
|
||||
test al, (1 shl BIT_9356SEL)
|
||||
jz .type_93c46
|
||||
@ -1241,7 +1181,7 @@ read_eeprom:
|
||||
or bx, EE_93C46_READ_CMD ; it contains start bit
|
||||
mov cx, EE_93C46_CMD_LENGTH-1 ; cmd_loop counter
|
||||
.read_eeprom:
|
||||
add edx, REG_9346CR - REG_RXCONFIG
|
||||
set_io REG_9346CR
|
||||
; mov al, (1 shl BIT_93C46_EEM1)
|
||||
; out dx, al
|
||||
mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS) ; wake up the eeprom
|
||||
@ -1305,7 +1245,7 @@ device_6 db 'Realtek 8139D',0
|
||||
device_7 db 'Realtek 8139CP',0
|
||||
device_8 db 'Realtek 8101',0
|
||||
|
||||
name_crosslist dd device_1
|
||||
crosslist dd device_1
|
||||
dd device_2
|
||||
dd device_3
|
||||
dd device_4
|
||||
|
||||
180
kernel/branches/net/drivers/netdrv.inc
Normal file
180
kernel/branches/net/drivers/netdrv.inc
Normal file
@ -0,0 +1,180 @@
|
||||
; 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
|
||||
|
||||
|
||||
; PCI programming
|
||||
PCI_REG_COMMAND equ 0x4 ; command register
|
||||
PCI_REG_STATUS equ 0x6 ; status register
|
||||
PCI_REG_LATENCY equ 0xd ; latency timer register
|
||||
PCI_REG_CAP_PTR equ 0x34 ; capabilities pointer
|
||||
PCI_REG_CAPABILITY_ID equ 0x0 ; capapility ID in pm register block
|
||||
PCI_REG_PM_STATUS equ 0x4 ; power management status register
|
||||
PCI_REG_PM_CTRL equ 0x4 ; power management control register
|
||||
PCI_BIT_PIO equ 0 ; bit0: io space control
|
||||
PCI_BIT_MMIO equ 1 ; bit1: memory space control
|
||||
PCI_BIT_MASTER equ 2 ; bit2: device acts as a PCI master
|
||||
|
||||
|
||||
PAGESIZE equ 4096
|
||||
|
||||
|
||||
|
||||
LAST_IO = 0
|
||||
|
||||
macro set_io addr {
|
||||
|
||||
if addr = 0
|
||||
|
||||
mov edx, [device.io_addr]
|
||||
|
||||
else if addr = LAST_IO
|
||||
|
||||
else
|
||||
|
||||
add edx, addr - LAST_IO
|
||||
|
||||
end if
|
||||
|
||||
LAST_IO = addr
|
||||
}
|
||||
|
||||
|
||||
macro diff16 title,l1,l2
|
||||
{
|
||||
local s,d
|
||||
s = l2-l1
|
||||
display title,': 0x'
|
||||
repeat 16
|
||||
d = 48 + s shr ((16-%) shl 2) and $0F
|
||||
if d > 57
|
||||
d = d + 65-57-1
|
||||
end if
|
||||
display d
|
||||
end repeat
|
||||
display 13,10
|
||||
}
|
||||
|
||||
macro allocate_and_clear dest, size, err {
|
||||
|
||||
; We need to allocate at least 8 pages, if we want a continuous memory in ram
|
||||
if (size < 8*4096) & (size > 4096)
|
||||
stdcall KernelAlloc, 8*4096
|
||||
else
|
||||
stdcall KernelAlloc, size
|
||||
end if
|
||||
test eax, eax
|
||||
jz err
|
||||
mov dest, eax ; Save the address to it into the device struct
|
||||
mov edi, eax ; look at last part of code!
|
||||
|
||||
; Release the unused pages (if any)
|
||||
if (size < 8*4096) & (size > 4096)
|
||||
add eax, (size/4096+1)*4096
|
||||
mov ecx, 8-(size/4096+1)
|
||||
call ReleasePages
|
||||
end if
|
||||
|
||||
; Clear the allocated buffer
|
||||
;mov edi, eax
|
||||
mov ecx, size/4 ; divide by 4 because of DWORD
|
||||
xor eax, eax
|
||||
rep stosd
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
macro find_io bus, dev, io {
|
||||
|
||||
|
||||
local .check, .inc, .got
|
||||
|
||||
|
||||
xor eax, eax
|
||||
mov esi, PCI_BASE_ADDRESS_0
|
||||
movzx ecx, bus
|
||||
movzx edx, dev
|
||||
.check:
|
||||
stdcall PciRead16, ecx ,edx ,esi
|
||||
|
||||
mov io , eax
|
||||
and eax, PCI_BASE_ADDRESS_IO_MASK
|
||||
test eax, eax
|
||||
jz .inc
|
||||
|
||||
mov eax, io
|
||||
and eax, PCI_BASE_ADDRESS_SPACE_IO
|
||||
test eax, eax
|
||||
jz .inc
|
||||
|
||||
mov eax, io
|
||||
and eax, PCI_BASE_ADDRESS_IO_MASK
|
||||
mov io , eax
|
||||
jmp .got
|
||||
|
||||
.inc:
|
||||
add esi, 4
|
||||
cmp esi, PCI_BASE_ADDRESS_5
|
||||
jbe .check
|
||||
|
||||
.got:
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
macro make_bus_master bus, dev {
|
||||
|
||||
movzx ecx, bus
|
||||
movzx edx, dev
|
||||
stdcall PciRead32, ecx ,edx ,PCI_REG_COMMAND
|
||||
|
||||
or al, (1 shl PCI_BIT_MASTER) or (1 shl PCI_BIT_PIO)
|
||||
and al, not (1 shl PCI_BIT_MMIO)
|
||||
stdcall PciWrite32, ecx, edx, PCI_REG_COMMAND, eax
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
struc IOCTL {
|
||||
.handle dd ?
|
||||
.io_code dd ?
|
||||
.input dd ?
|
||||
.inp_size dd ?
|
||||
.output dd ?
|
||||
.out_size dd ?
|
||||
}
|
||||
|
||||
virtual at edx
|
||||
IOCTL IOCTL
|
||||
end virtual
|
||||
|
||||
|
||||
|
||||
|
||||
if used null_op
|
||||
|
||||
align 4
|
||||
null_op:
|
||||
or eax, -1
|
||||
ret
|
||||
|
||||
end if
|
||||
|
||||
|
||||
macro virt_to_dma { ; input is eax
|
||||
|
||||
push ax
|
||||
and word[esp], PAGESIZE - 1
|
||||
call GetPgAddr
|
||||
or ax, word[esp]
|
||||
inc esp
|
||||
inc esp
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user