835 lines
23 KiB
C
835 lines
23 KiB
C
/*
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* SMSC 91C111 Ethernet interface emulation
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*
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* Copyright (c) 2005 CodeSourcery, LLC.
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* Written by Paul Brook
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*
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* This code is licensed under the GPL
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*/
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#include "qemu/osdep.h"
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#include "hw/sysbus.h"
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#include "migration/vmstate.h"
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#include "net/net.h"
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#include "hw/irq.h"
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#include "hw/net/smc91c111.h"
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#include "hw/qdev-properties.h"
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#include "qapi/error.h"
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#include "qemu/log.h"
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#include "qemu/module.h"
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/* For crc32 */
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#include <zlib.h>
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#include "qom/object.h"
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/* Number of 2k memory pages available. */
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#define NUM_PACKETS 4
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#define TYPE_SMC91C111 "smc91c111"
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OBJECT_DECLARE_SIMPLE_TYPE(smc91c111_state, SMC91C111)
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struct smc91c111_state {
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SysBusDevice parent_obj;
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NICState *nic;
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NICConf conf;
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uint16_t tcr;
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uint16_t rcr;
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uint16_t cr;
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uint16_t ctr;
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uint16_t gpr;
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uint16_t ptr;
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uint16_t ercv;
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qemu_irq irq;
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int bank;
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int packet_num;
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int tx_alloc;
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/* Bitmask of allocated packets. */
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int allocated;
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int tx_fifo_len;
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int tx_fifo[NUM_PACKETS];
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int rx_fifo_len;
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int rx_fifo[NUM_PACKETS];
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int tx_fifo_done_len;
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int tx_fifo_done[NUM_PACKETS];
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/* Packet buffer memory. */
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uint8_t data[NUM_PACKETS][2048];
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uint8_t int_level;
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uint8_t int_mask;
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MemoryRegion mmio;
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};
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static const VMStateDescription vmstate_smc91c111 = {
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.name = "smc91c111",
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.version_id = 1,
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.minimum_version_id = 1,
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.fields = (VMStateField[]) {
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VMSTATE_UINT16(tcr, smc91c111_state),
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VMSTATE_UINT16(rcr, smc91c111_state),
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VMSTATE_UINT16(cr, smc91c111_state),
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VMSTATE_UINT16(ctr, smc91c111_state),
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VMSTATE_UINT16(gpr, smc91c111_state),
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VMSTATE_UINT16(ptr, smc91c111_state),
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VMSTATE_UINT16(ercv, smc91c111_state),
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VMSTATE_INT32(bank, smc91c111_state),
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VMSTATE_INT32(packet_num, smc91c111_state),
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VMSTATE_INT32(tx_alloc, smc91c111_state),
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VMSTATE_INT32(allocated, smc91c111_state),
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VMSTATE_INT32(tx_fifo_len, smc91c111_state),
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VMSTATE_INT32_ARRAY(tx_fifo, smc91c111_state, NUM_PACKETS),
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VMSTATE_INT32(rx_fifo_len, smc91c111_state),
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VMSTATE_INT32_ARRAY(rx_fifo, smc91c111_state, NUM_PACKETS),
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VMSTATE_INT32(tx_fifo_done_len, smc91c111_state),
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VMSTATE_INT32_ARRAY(tx_fifo_done, smc91c111_state, NUM_PACKETS),
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VMSTATE_BUFFER_UNSAFE(data, smc91c111_state, 0, NUM_PACKETS * 2048),
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VMSTATE_UINT8(int_level, smc91c111_state),
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VMSTATE_UINT8(int_mask, smc91c111_state),
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VMSTATE_END_OF_LIST()
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}
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};
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#define RCR_SOFT_RST 0x8000
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#define RCR_STRIP_CRC 0x0200
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#define RCR_RXEN 0x0100
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#define TCR_EPH_LOOP 0x2000
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#define TCR_NOCRC 0x0100
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#define TCR_PAD_EN 0x0080
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#define TCR_FORCOL 0x0004
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#define TCR_LOOP 0x0002
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#define TCR_TXEN 0x0001
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#define INT_MD 0x80
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#define INT_ERCV 0x40
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#define INT_EPH 0x20
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#define INT_RX_OVRN 0x10
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#define INT_ALLOC 0x08
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#define INT_TX_EMPTY 0x04
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#define INT_TX 0x02
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#define INT_RCV 0x01
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#define CTR_AUTO_RELEASE 0x0800
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#define CTR_RELOAD 0x0002
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#define CTR_STORE 0x0001
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#define RS_ALGNERR 0x8000
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#define RS_BRODCAST 0x4000
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#define RS_BADCRC 0x2000
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#define RS_ODDFRAME 0x1000
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#define RS_TOOLONG 0x0800
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#define RS_TOOSHORT 0x0400
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#define RS_MULTICAST 0x0001
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/* Update interrupt status. */
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static void smc91c111_update(smc91c111_state *s)
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{
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int level;
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if (s->tx_fifo_len == 0)
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s->int_level |= INT_TX_EMPTY;
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if (s->tx_fifo_done_len != 0)
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s->int_level |= INT_TX;
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level = (s->int_level & s->int_mask) != 0;
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qemu_set_irq(s->irq, level);
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}
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static bool smc91c111_can_receive(smc91c111_state *s)
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{
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if ((s->rcr & RCR_RXEN) == 0 || (s->rcr & RCR_SOFT_RST)) {
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return true;
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}
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if (s->allocated == (1 << NUM_PACKETS) - 1 ||
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s->rx_fifo_len == NUM_PACKETS) {
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return false;
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}
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return true;
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}
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static inline void smc91c111_flush_queued_packets(smc91c111_state *s)
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{
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if (smc91c111_can_receive(s)) {
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qemu_flush_queued_packets(qemu_get_queue(s->nic));
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}
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}
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/* Try to allocate a packet. Returns 0x80 on failure. */
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static int smc91c111_allocate_packet(smc91c111_state *s)
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{
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int i;
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if (s->allocated == (1 << NUM_PACKETS) - 1) {
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return 0x80;
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}
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for (i = 0; i < NUM_PACKETS; i++) {
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if ((s->allocated & (1 << i)) == 0)
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break;
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}
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s->allocated |= 1 << i;
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return i;
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}
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/* Process a pending TX allocate. */
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static void smc91c111_tx_alloc(smc91c111_state *s)
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{
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s->tx_alloc = smc91c111_allocate_packet(s);
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if (s->tx_alloc == 0x80)
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return;
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s->int_level |= INT_ALLOC;
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smc91c111_update(s);
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}
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/* Remove and item from the RX FIFO. */
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static void smc91c111_pop_rx_fifo(smc91c111_state *s)
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{
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int i;
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s->rx_fifo_len--;
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if (s->rx_fifo_len) {
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for (i = 0; i < s->rx_fifo_len; i++)
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s->rx_fifo[i] = s->rx_fifo[i + 1];
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s->int_level |= INT_RCV;
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} else {
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s->int_level &= ~INT_RCV;
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}
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smc91c111_flush_queued_packets(s);
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smc91c111_update(s);
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}
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/* Remove an item from the TX completion FIFO. */
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static void smc91c111_pop_tx_fifo_done(smc91c111_state *s)
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{
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int i;
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if (s->tx_fifo_done_len == 0)
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return;
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s->tx_fifo_done_len--;
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for (i = 0; i < s->tx_fifo_done_len; i++)
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s->tx_fifo_done[i] = s->tx_fifo_done[i + 1];
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}
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/* Release the memory allocated to a packet. */
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static void smc91c111_release_packet(smc91c111_state *s, int packet)
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{
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s->allocated &= ~(1 << packet);
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if (s->tx_alloc == 0x80)
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smc91c111_tx_alloc(s);
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smc91c111_flush_queued_packets(s);
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}
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/* Flush the TX FIFO. */
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static void smc91c111_do_tx(smc91c111_state *s)
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{
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int i;
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int len;
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int control;
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int packetnum;
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uint8_t *p;
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if ((s->tcr & TCR_TXEN) == 0)
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return;
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if (s->tx_fifo_len == 0)
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return;
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for (i = 0; i < s->tx_fifo_len; i++) {
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packetnum = s->tx_fifo[i];
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p = &s->data[packetnum][0];
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/* Set status word. */
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*(p++) = 0x01;
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*(p++) = 0x40;
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len = *(p++);
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len |= ((int)*(p++)) << 8;
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len -= 6;
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control = p[len + 1];
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if (control & 0x20)
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len++;
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/* ??? This overwrites the data following the buffer.
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Don't know what real hardware does. */
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if (len < 64 && (s->tcr & TCR_PAD_EN)) {
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memset(p + len, 0, 64 - len);
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len = 64;
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}
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#if 0
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{
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int add_crc;
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/* The card is supposed to append the CRC to the frame.
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However none of the other network traffic has the CRC
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appended. Suspect this is low level ethernet detail we
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don't need to worry about. */
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add_crc = (control & 0x10) || (s->tcr & TCR_NOCRC) == 0;
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if (add_crc) {
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uint32_t crc;
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crc = crc32(~0, p, len);
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memcpy(p + len, &crc, 4);
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len += 4;
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}
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}
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#endif
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if (s->ctr & CTR_AUTO_RELEASE)
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/* Race? */
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smc91c111_release_packet(s, packetnum);
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else if (s->tx_fifo_done_len < NUM_PACKETS)
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s->tx_fifo_done[s->tx_fifo_done_len++] = packetnum;
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qemu_send_packet(qemu_get_queue(s->nic), p, len);
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}
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s->tx_fifo_len = 0;
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smc91c111_update(s);
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}
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/* Add a packet to the TX FIFO. */
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static void smc91c111_queue_tx(smc91c111_state *s, int packet)
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{
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if (s->tx_fifo_len == NUM_PACKETS)
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return;
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s->tx_fifo[s->tx_fifo_len++] = packet;
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smc91c111_do_tx(s);
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}
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static void smc91c111_reset(DeviceState *dev)
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{
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smc91c111_state *s = SMC91C111(dev);
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s->bank = 0;
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s->tx_fifo_len = 0;
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s->tx_fifo_done_len = 0;
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s->rx_fifo_len = 0;
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s->allocated = 0;
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s->packet_num = 0;
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s->tx_alloc = 0;
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s->tcr = 0;
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s->rcr = 0;
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s->cr = 0xa0b1;
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s->ctr = 0x1210;
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s->ptr = 0;
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s->ercv = 0x1f;
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s->int_level = INT_TX_EMPTY;
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s->int_mask = 0;
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smc91c111_update(s);
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}
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#define SET_LOW(name, val) s->name = (s->name & 0xff00) | val
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#define SET_HIGH(name, val) s->name = (s->name & 0xff) | (val << 8)
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static void smc91c111_writeb(void *opaque, hwaddr offset,
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uint32_t value)
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{
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smc91c111_state *s = (smc91c111_state *)opaque;
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offset = offset & 0xf;
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if (offset == 14) {
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s->bank = value;
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return;
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}
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if (offset == 15)
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return;
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switch (s->bank) {
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case 0:
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switch (offset) {
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case 0: /* TCR */
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SET_LOW(tcr, value);
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return;
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case 1:
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SET_HIGH(tcr, value);
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return;
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case 4: /* RCR */
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SET_LOW(rcr, value);
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return;
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case 5:
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SET_HIGH(rcr, value);
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if (s->rcr & RCR_SOFT_RST) {
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smc91c111_reset(DEVICE(s));
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}
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smc91c111_flush_queued_packets(s);
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return;
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case 10: case 11: /* RPCR */
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/* Ignored */
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return;
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case 12: case 13: /* Reserved */
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return;
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}
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break;
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case 1:
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switch (offset) {
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case 0: /* CONFIG */
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SET_LOW(cr, value);
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return;
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case 1:
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SET_HIGH(cr,value);
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return;
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case 2: case 3: /* BASE */
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case 4: case 5: case 6: case 7: case 8: case 9: /* IA */
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/* Not implemented. */
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return;
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case 10: /* Genral Purpose */
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SET_LOW(gpr, value);
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return;
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case 11:
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SET_HIGH(gpr, value);
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return;
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case 12: /* Control */
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if (value & 1) {
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qemu_log_mask(LOG_UNIMP,
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"smc91c111: EEPROM store not implemented\n");
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}
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if (value & 2) {
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qemu_log_mask(LOG_UNIMP,
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"smc91c111: EEPROM reload not implemented\n");
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}
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value &= ~3;
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SET_LOW(ctr, value);
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return;
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case 13:
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SET_HIGH(ctr, value);
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return;
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}
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break;
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case 2:
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switch (offset) {
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case 0: /* MMU Command */
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switch (value >> 5) {
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case 0: /* no-op */
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break;
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case 1: /* Allocate for TX. */
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s->tx_alloc = 0x80;
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s->int_level &= ~INT_ALLOC;
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smc91c111_update(s);
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smc91c111_tx_alloc(s);
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break;
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case 2: /* Reset MMU. */
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s->allocated = 0;
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s->tx_fifo_len = 0;
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s->tx_fifo_done_len = 0;
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s->rx_fifo_len = 0;
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s->tx_alloc = 0;
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break;
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case 3: /* Remove from RX FIFO. */
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smc91c111_pop_rx_fifo(s);
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break;
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case 4: /* Remove from RX FIFO and release. */
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if (s->rx_fifo_len > 0) {
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smc91c111_release_packet(s, s->rx_fifo[0]);
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}
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smc91c111_pop_rx_fifo(s);
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break;
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case 5: /* Release. */
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smc91c111_release_packet(s, s->packet_num);
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break;
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case 6: /* Add to TX FIFO. */
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smc91c111_queue_tx(s, s->packet_num);
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break;
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case 7: /* Reset TX FIFO. */
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s->tx_fifo_len = 0;
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s->tx_fifo_done_len = 0;
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break;
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}
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return;
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case 1:
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/* Ignore. */
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return;
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case 2: /* Packet Number Register */
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s->packet_num = value;
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return;
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case 3: case 4: case 5:
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/* Should be readonly, but linux writes to them anyway. Ignore. */
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return;
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case 6: /* Pointer */
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SET_LOW(ptr, value);
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return;
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case 7:
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SET_HIGH(ptr, value);
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return;
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case 8: case 9: case 10: case 11: /* Data */
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{
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int p;
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int n;
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if (s->ptr & 0x8000)
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n = s->rx_fifo[0];
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else
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n = s->packet_num;
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p = s->ptr & 0x07ff;
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if (s->ptr & 0x4000) {
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s->ptr = (s->ptr & 0xf800) | ((s->ptr + 1) & 0x7ff);
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} else {
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p += (offset & 3);
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}
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s->data[n][p] = value;
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}
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return;
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case 12: /* Interrupt ACK. */
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s->int_level &= ~(value & 0xd6);
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if (value & INT_TX)
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smc91c111_pop_tx_fifo_done(s);
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smc91c111_update(s);
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return;
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case 13: /* Interrupt mask. */
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s->int_mask = value;
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smc91c111_update(s);
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return;
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}
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break;
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case 3:
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switch (offset) {
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case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
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/* Multicast table. */
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/* Not implemented. */
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return;
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case 8: case 9: /* Management Interface. */
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/* Not implemented. */
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return;
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case 12: /* Early receive. */
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s->ercv = value & 0x1f;
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return;
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case 13:
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/* Ignore. */
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return;
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}
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break;
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}
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qemu_log_mask(LOG_GUEST_ERROR, "smc91c111_write(bank:%d) Illegal register"
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" 0x%" HWADDR_PRIx " = 0x%x\n",
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s->bank, offset, value);
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}
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static uint32_t smc91c111_readb(void *opaque, hwaddr offset)
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{
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smc91c111_state *s = (smc91c111_state *)opaque;
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offset = offset & 0xf;
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if (offset == 14) {
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return s->bank;
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}
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if (offset == 15)
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return 0x33;
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switch (s->bank) {
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case 0:
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switch (offset) {
|
|
case 0: /* TCR */
|
|
return s->tcr & 0xff;
|
|
case 1:
|
|
return s->tcr >> 8;
|
|
case 2: /* EPH Status */
|
|
return 0;
|
|
case 3:
|
|
return 0x40;
|
|
case 4: /* RCR */
|
|
return s->rcr & 0xff;
|
|
case 5:
|
|
return s->rcr >> 8;
|
|
case 6: /* Counter */
|
|
case 7:
|
|
/* Not implemented. */
|
|
return 0;
|
|
case 8: /* Memory size. */
|
|
return NUM_PACKETS;
|
|
case 9: /* Free memory available. */
|
|
{
|
|
int i;
|
|
int n;
|
|
n = 0;
|
|
for (i = 0; i < NUM_PACKETS; i++) {
|
|
if (s->allocated & (1 << i))
|
|
n++;
|
|
}
|
|
return n;
|
|
}
|
|
case 10: case 11: /* RPCR */
|
|
/* Not implemented. */
|
|
return 0;
|
|
case 12: case 13: /* Reserved */
|
|
return 0;
|
|
}
|
|
break;
|
|
|
|
case 1:
|
|
switch (offset) {
|
|
case 0: /* CONFIG */
|
|
return s->cr & 0xff;
|
|
case 1:
|
|
return s->cr >> 8;
|
|
case 2: case 3: /* BASE */
|
|
/* Not implemented. */
|
|
return 0;
|
|
case 4: case 5: case 6: case 7: case 8: case 9: /* IA */
|
|
return s->conf.macaddr.a[offset - 4];
|
|
case 10: /* General Purpose */
|
|
return s->gpr & 0xff;
|
|
case 11:
|
|
return s->gpr >> 8;
|
|
case 12: /* Control */
|
|
return s->ctr & 0xff;
|
|
case 13:
|
|
return s->ctr >> 8;
|
|
}
|
|
break;
|
|
|
|
case 2:
|
|
switch (offset) {
|
|
case 0: case 1: /* MMUCR Busy bit. */
|
|
return 0;
|
|
case 2: /* Packet Number. */
|
|
return s->packet_num;
|
|
case 3: /* Allocation Result. */
|
|
return s->tx_alloc;
|
|
case 4: /* TX FIFO */
|
|
if (s->tx_fifo_done_len == 0)
|
|
return 0x80;
|
|
else
|
|
return s->tx_fifo_done[0];
|
|
case 5: /* RX FIFO */
|
|
if (s->rx_fifo_len == 0)
|
|
return 0x80;
|
|
else
|
|
return s->rx_fifo[0];
|
|
case 6: /* Pointer */
|
|
return s->ptr & 0xff;
|
|
case 7:
|
|
return (s->ptr >> 8) & 0xf7;
|
|
case 8: case 9: case 10: case 11: /* Data */
|
|
{
|
|
int p;
|
|
int n;
|
|
|
|
if (s->ptr & 0x8000)
|
|
n = s->rx_fifo[0];
|
|
else
|
|
n = s->packet_num;
|
|
p = s->ptr & 0x07ff;
|
|
if (s->ptr & 0x4000) {
|
|
s->ptr = (s->ptr & 0xf800) | ((s->ptr + 1) & 0x07ff);
|
|
} else {
|
|
p += (offset & 3);
|
|
}
|
|
return s->data[n][p];
|
|
}
|
|
case 12: /* Interrupt status. */
|
|
return s->int_level;
|
|
case 13: /* Interrupt mask. */
|
|
return s->int_mask;
|
|
}
|
|
break;
|
|
|
|
case 3:
|
|
switch (offset) {
|
|
case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
|
|
/* Multicast table. */
|
|
/* Not implemented. */
|
|
return 0;
|
|
case 8: /* Management Interface. */
|
|
/* Not implemented. */
|
|
return 0x30;
|
|
case 9:
|
|
return 0x33;
|
|
case 10: /* Revision. */
|
|
return 0x91;
|
|
case 11:
|
|
return 0x33;
|
|
case 12:
|
|
return s->ercv;
|
|
case 13:
|
|
return 0;
|
|
}
|
|
break;
|
|
}
|
|
qemu_log_mask(LOG_GUEST_ERROR, "smc91c111_read(bank:%d) Illegal register"
|
|
" 0x%" HWADDR_PRIx "\n",
|
|
s->bank, offset);
|
|
return 0;
|
|
}
|
|
|
|
static uint64_t smc91c111_readfn(void *opaque, hwaddr addr, unsigned size)
|
|
{
|
|
int i;
|
|
uint32_t val = 0;
|
|
|
|
for (i = 0; i < size; i++) {
|
|
val |= smc91c111_readb(opaque, addr + i) << (i * 8);
|
|
}
|
|
return val;
|
|
}
|
|
|
|
static void smc91c111_writefn(void *opaque, hwaddr addr,
|
|
uint64_t value, unsigned size)
|
|
{
|
|
int i = 0;
|
|
|
|
/* 32-bit writes to offset 0xc only actually write to the bank select
|
|
* register (offset 0xe), so skip the first two bytes we would write.
|
|
*/
|
|
if (addr == 0xc && size == 4) {
|
|
i += 2;
|
|
}
|
|
|
|
for (; i < size; i++) {
|
|
smc91c111_writeb(opaque, addr + i,
|
|
extract32(value, i * 8, 8));
|
|
}
|
|
}
|
|
|
|
static bool smc91c111_can_receive_nc(NetClientState *nc)
|
|
{
|
|
smc91c111_state *s = qemu_get_nic_opaque(nc);
|
|
|
|
return smc91c111_can_receive(s);
|
|
}
|
|
|
|
static ssize_t smc91c111_receive(NetClientState *nc, const uint8_t *buf, size_t size)
|
|
{
|
|
smc91c111_state *s = qemu_get_nic_opaque(nc);
|
|
int status;
|
|
int packetsize;
|
|
uint32_t crc;
|
|
int packetnum;
|
|
uint8_t *p;
|
|
|
|
if ((s->rcr & RCR_RXEN) == 0 || (s->rcr & RCR_SOFT_RST))
|
|
return -1;
|
|
/* Short packets are padded with zeros. Receiving a packet
|
|
< 64 bytes long is considered an error condition. */
|
|
if (size < 64)
|
|
packetsize = 64;
|
|
else
|
|
packetsize = (size & ~1);
|
|
packetsize += 6;
|
|
crc = (s->rcr & RCR_STRIP_CRC) == 0;
|
|
if (crc)
|
|
packetsize += 4;
|
|
/* TODO: Flag overrun and receive errors. */
|
|
if (packetsize > 2048)
|
|
return -1;
|
|
packetnum = smc91c111_allocate_packet(s);
|
|
if (packetnum == 0x80)
|
|
return -1;
|
|
s->rx_fifo[s->rx_fifo_len++] = packetnum;
|
|
|
|
p = &s->data[packetnum][0];
|
|
/* ??? Multicast packets? */
|
|
status = 0;
|
|
if (size > 1518)
|
|
status |= RS_TOOLONG;
|
|
if (size & 1)
|
|
status |= RS_ODDFRAME;
|
|
*(p++) = status & 0xff;
|
|
*(p++) = status >> 8;
|
|
*(p++) = packetsize & 0xff;
|
|
*(p++) = packetsize >> 8;
|
|
memcpy(p, buf, size & ~1);
|
|
p += (size & ~1);
|
|
/* Pad short packets. */
|
|
if (size < 64) {
|
|
int pad;
|
|
|
|
if (size & 1)
|
|
*(p++) = buf[size - 1];
|
|
pad = 64 - size;
|
|
memset(p, 0, pad);
|
|
p += pad;
|
|
size = 64;
|
|
}
|
|
/* It's not clear if the CRC should go before or after the last byte in
|
|
odd sized packets. Linux disables the CRC, so that's no help.
|
|
The pictures in the documentation show the CRC aligned on a 16-bit
|
|
boundary before the last odd byte, so that's what we do. */
|
|
if (crc) {
|
|
crc = crc32(~0, buf, size);
|
|
*(p++) = crc & 0xff; crc >>= 8;
|
|
*(p++) = crc & 0xff; crc >>= 8;
|
|
*(p++) = crc & 0xff; crc >>= 8;
|
|
*(p++) = crc & 0xff;
|
|
}
|
|
if (size & 1) {
|
|
*(p++) = buf[size - 1];
|
|
*p = 0x60;
|
|
} else {
|
|
*(p++) = 0;
|
|
*p = 0x40;
|
|
}
|
|
/* TODO: Raise early RX interrupt? */
|
|
s->int_level |= INT_RCV;
|
|
smc91c111_update(s);
|
|
|
|
return size;
|
|
}
|
|
|
|
static const MemoryRegionOps smc91c111_mem_ops = {
|
|
/* The special case for 32 bit writes to 0xc means we can't just
|
|
* set .impl.min/max_access_size to 1, unfortunately
|
|
*/
|
|
.read = smc91c111_readfn,
|
|
.write = smc91c111_writefn,
|
|
.valid.min_access_size = 1,
|
|
.valid.max_access_size = 4,
|
|
.endianness = DEVICE_NATIVE_ENDIAN,
|
|
};
|
|
|
|
static NetClientInfo net_smc91c111_info = {
|
|
.type = NET_CLIENT_DRIVER_NIC,
|
|
.size = sizeof(NICState),
|
|
.can_receive = smc91c111_can_receive_nc,
|
|
.receive = smc91c111_receive,
|
|
};
|
|
|
|
static void smc91c111_realize(DeviceState *dev, Error **errp)
|
|
{
|
|
SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
|
|
smc91c111_state *s = SMC91C111(dev);
|
|
|
|
memory_region_init_io(&s->mmio, OBJECT(s), &smc91c111_mem_ops, s,
|
|
"smc91c111-mmio", 16);
|
|
sysbus_init_mmio(sbd, &s->mmio);
|
|
sysbus_init_irq(sbd, &s->irq);
|
|
qemu_macaddr_default_if_unset(&s->conf.macaddr);
|
|
s->nic = qemu_new_nic(&net_smc91c111_info, &s->conf,
|
|
object_get_typename(OBJECT(dev)), dev->id, s);
|
|
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
|
|
/* ??? Save/restore. */
|
|
}
|
|
|
|
static Property smc91c111_properties[] = {
|
|
DEFINE_NIC_PROPERTIES(smc91c111_state, conf),
|
|
DEFINE_PROP_END_OF_LIST(),
|
|
};
|
|
|
|
static void smc91c111_class_init(ObjectClass *klass, void *data)
|
|
{
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
|
|
|
dc->realize = smc91c111_realize;
|
|
dc->reset = smc91c111_reset;
|
|
dc->vmsd = &vmstate_smc91c111;
|
|
device_class_set_props(dc, smc91c111_properties);
|
|
}
|
|
|
|
static const TypeInfo smc91c111_info = {
|
|
.name = TYPE_SMC91C111,
|
|
.parent = TYPE_SYS_BUS_DEVICE,
|
|
.instance_size = sizeof(smc91c111_state),
|
|
.class_init = smc91c111_class_init,
|
|
};
|
|
|
|
static void smc91c111_register_types(void)
|
|
{
|
|
type_register_static(&smc91c111_info);
|
|
}
|
|
|
|
/* Legacy helper function. Should go away when machine config files are
|
|
implemented. */
|
|
void smc91c111_init(NICInfo *nd, uint32_t base, qemu_irq irq)
|
|
{
|
|
DeviceState *dev;
|
|
SysBusDevice *s;
|
|
|
|
qemu_check_nic_model(nd, "smc91c111");
|
|
dev = qdev_new(TYPE_SMC91C111);
|
|
qdev_set_nic_properties(dev, nd);
|
|
s = SYS_BUS_DEVICE(dev);
|
|
sysbus_realize_and_unref(s, &error_fatal);
|
|
sysbus_mmio_map(s, 0, base);
|
|
sysbus_connect_irq(s, 0, irq);
|
|
}
|
|
|
|
type_init(smc91c111_register_types)
|