C++ (Cpp) alloc_pciの例

コード例 #1

DMPAPI(void*) pci_Alloc(unsigned char bus, unsigned char dev, unsigned char fun) {
    // just ignore wrong dev & fun :p
    dev = dev & 0x1f; 
    fun = fun & 0x07;

    // check VID & DID
    if (pci_indw(PCI_GET_CF8(bus, dev, fun)) == 0xffffffffUL) //&&
    if (fun == 0)
    {
        err_print("%s: invalid PCI device!\n", __FUNCTION__);
        return NULL;
    }

    return alloc_pci(bus, dev, fun);
}

コード例 #2

ファイル: io.cpp プロジェクト: drbokko/86Duino

DMPAPI(void*) pci_Alloc(unsigned char bus, unsigned char dev, unsigned char fun) {
    unsigned long tmpid;

    // just ignore wrong dev & fun :p
    dev = dev & 0x1f; 
    fun = fun & 0x07;

    // get VID & DID
    io_DisableINT();
    tmpid = pci_indw(PCI_GET_CF8(bus, dev, fun));
    io_RestoreINT();

    if (tmpid == 0xffffffffUL)
	if (fun == 0)
    {
        err_print((char*)"%s: invalid PCI device!\n", __FUNCTION__);
        return NULL;
    }

    return alloc_pci(bus, dev, fun);
}