forked from KolibriOS/kolibrios
BCM57XX: Update template
git-svn-id: svn://kolibrios.org@9159 a494cfbc-eb01-0410-851d-a64ba20cac60
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hidnplayr
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d297ba3894
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397acfbb0a
@ -1,11 +1,10 @@
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2018. All rights reserved. ;;
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;; Copyright (C) KolibriOS team 2004-2021. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;; Broadcom NetXtreme 57xx driver for KolibriOS ;;
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;; ;;
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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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@ -21,11 +20,18 @@ entry START
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COMPATIBLE_API = 0x0100
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API_VERSION = (COMPATIBLE_API shl 16) + CURRENT_API
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; configureable area
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MAX_DEVICES = 16
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__DEBUG__ = 1
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__DEBUG_LEVEL__ = 2
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TX_RING_SIZE = 128 ; Number of packets in send ring buffer
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RX_RING_SIZE = 128 ; Number of packets in receive ring buffer
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; end configureable area
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section '.flat' readable writable executable
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include '../proc32.inc'
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@ -34,6 +40,16 @@ include '../macros.inc'
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include '../fdo.inc'
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include '../netdrv.inc'
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if (bsr TX_RING_SIZE)>(bsf TX_RING_SIZE)
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display 'TX_RING_SIZE must be a power of two'
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err
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end if
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if (bsr RX_RING_SIZE)>(bsf RX_RING_SIZE)
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display 'RX_RING_SIZE must be a power of two'
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err
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end if
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struct device ETH_DEVICE
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mmio_addr dd ?
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@ -251,15 +267,11 @@ probe:
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; Make the device a bus master
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invoke PciRead32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command
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or al, PCI_CMD_MASTER
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or al, PCI_CMD_MASTER + PCI_CMD_MMIO + PCI_CMD_PIO
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invoke PciWrite32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command, eax
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; TODO: validate the device
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reset:
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DEBUGF 1,"Reset\n"
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@ -308,16 +320,14 @@ read_mac:
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;; ;;
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;; Transmit ;;
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;; ;;
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;; In: buffer pointer in [esp+4] ;;
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;; size of buffer in [esp+8] ;;
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;; pointer to device structure in ebx ;;
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;; In: pointer to device structure in ebx ;;
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;; Out: eax = 0 on success ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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align 16
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proc transmit stdcall bufferptr, buffersize
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pushf
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cli
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spin_lock_irqsave
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DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n", [bufferptr], [buffersize]
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mov eax, [bufferptr]
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@ -327,13 +337,16 @@ proc transmit stdcall bufferptr, buffersize
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[eax+13]:2,[eax+12]:2
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cmp [buffersize], 1514
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ja .fail
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ja .error
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cmp [buffersize], 60
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jb .fail
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jb .error
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; Program the descriptor
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; test [something], STILL_BUSY?
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; jnz .overrun
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; TODO: Program the descriptor
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; Update stats
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inc [ebx + device.packets_tx]
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@ -342,14 +355,25 @@ proc transmit stdcall bufferptr, buffersize
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adc dword[ebx + device.bytes_tx + 4], 0
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DEBUGF 1,"Transmit OK\n"
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popf
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spin_unlock_irqrestore
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xor eax, eax
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ret
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.fail:
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DEBUGF 2,"Transmit failed\n"
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invoke KernelFree, [bufferptr]
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popf
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.error:
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DEBUGF 2, "TX packet error\n"
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inc [ebx + device.packets_tx_err]
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invoke NetFree, [bufferptr]
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spin_unlock_irqrestore
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or eax, -1
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ret
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.overrun:
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DEBUGF 2, "TX overrun\n"
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inc [ebx + device.packets_tx_ovr]
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invoke NetFree, [bufferptr]
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spin_unlock_irqrestore
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or eax, -1
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ret
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@ -361,40 +385,24 @@ endp
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;; Interrupt handler ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;
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align 4
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align 16
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int_handler:
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push ebx esi edi
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DEBUGF 1,"INT\n"
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;-------------------------------------------
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; Find pointer of device wich made IRQ occur
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mov ebx, [esp+4*4]
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DEBUGF 1,"INT for 0x%x\n", ebx
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mov ecx, [devices]
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test ecx, ecx
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jz .nothing
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mov esi, device_list
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.nextdevice:
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mov ebx, [esi]
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; TODO? if we are paranoid, we can check that the value from ebx is present in the current device_list
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; mov edi, [ebx + device.mmio_addr]
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mov edi, [ebx + device.mmio_addr]
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; mov eax, [edi + REG_ICR]
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test eax, eax
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jnz .got_it
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.continue:
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add esi, 4
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dec ecx
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jnz .nextdevice
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.nothing:
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pop edi esi ebx
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xor eax, eax
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jz .nothing
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ret
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DEBUGF 1,"Status: %x ", eax
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.got_it:
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DEBUGF 1,"Device: %x Status: %x ", ebx, eax
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; TODO: handle interrupts
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pop edi esi ebx
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xor eax, eax
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@ -402,6 +410,12 @@ int_handler:
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ret
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.nothing:
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pop edi esi ebx
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xor eax, eax
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ret
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