Archipelago » qemu

    int i;

    uint16_t checksum;

    /* Initialize the PROM */

    /*

      Datasheet: http://pdfdata.datasheetsite.com/web/24528/AM79C970A.pdf

      page 95

    */

    memcpy(s->prom, s->conf.macaddr.a, 6);

    /* Reserved Location: must be 00h */

    s->prom[6] = s->prom[7] = 0x00;

    /* Reserved Location: must be 00h */

    s->prom[8] = 0x00;

    /* Hardware ID: must be 11h if compatibility to AMD drivers is desired */

    s->prom[9] = 0x11;

    /* User programmable space, init with 0 */

    s->prom[10] = s->prom[11] = 0x00;

    /* LSByte of two-byte checksum, which is the sum of bytes 00h-0Bh

       and bytes 0Eh and 0Fh, must therefore be initialized with 0! */

    s->prom[12] = s->prom[13] = 0x00;

    /* Must be ASCII W (57h) if compatibility to AMD

       driver software is desired */

    s->prom[14] = s->prom[15] = 0x57;

    for (i = 0, checksum = 0; i < 16; i++) {

        checksum += s->prom[i];

    }

    *(uint16_t *)&s->prom[12] = cpu_to_le16(checksum);

    /* prepare eeprom */

    s->eeprom.contents[0] = 0x8129;

#if 1

    /* PCI vendor and device ID should be mirrored here */

    s->eeprom.contents[1] = PCI_VENDOR_ID_REALTEK;

    s->eeprom.contents[2] = PCI_DEVICE_ID_REALTEK_8139;

#endif

    s->eeprom.contents[7] = s->conf.macaddr.a[0] | s->conf.macaddr.a[1] << 8;

    s->eeprom.contents[8] = s->conf.macaddr.a[2] | s->conf.macaddr.a[3] << 8;

    s->eeprom.contents[9] = s->conf.macaddr.a[4] | s->conf.macaddr.a[5] << 8;