Ejemplos de _PCI_MAPREG_TYPEBITS en C++ (Cpp)

Ejemplo n.º 1

int
pci_mapreg_probe(pci_chipset_tag_t pc, pcitag_t tag, int reg, pcireg_t *typep)
{
	pcireg_t address, mask, csr;
	int s;
	
	s = splhigh();
	csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
	if (csr & (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE))
		pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, csr &
		    ~(PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE));
	address = pci_conf_read(pc, tag, reg);
	pci_conf_write(pc, tag, reg, 0xffffffff);
	mask = pci_conf_read(pc, tag, reg);
	pci_conf_write(pc, tag, reg, address);
	if (csr & (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE))
		pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, csr);
	splx(s);

	if (mask == 0) /* unimplemented mapping register */
		return (0);

	if (typep)
		*typep = _PCI_MAPREG_TYPEBITS(address);
	return (1);
}

Ejemplo n.º 2

Archivo: pci_map.c Proyecto: NetBsdDriverProxy/NetBsdDriverProxy

int
pci_mapreg_probe(pci_chipset_tag_t pc, pcitag_t tag, int reg, pcireg_t *typep)
{
	pcireg_t address, mask;
	int s;

	s = splhigh();
	address = pci_conf_read(pc, tag, reg);
	pci_conf_write(pc, tag, reg, 0xffffffff);
	mask = pci_conf_read(pc, tag, reg);
	pci_conf_write(pc, tag, reg, address);
	splx(s);

	if (mask == 0) /* unimplemented mapping register */
		return (0);

	if (typep)
		*typep = _PCI_MAPREG_TYPEBITS(address);
	return (1);
}

Ejemplo n.º 3

Archivo: pci_map.c Proyecto: NetBsdDriverProxy/NetBsdDriverProxy

pcireg_t
pci_mapreg_type(pci_chipset_tag_t pc, pcitag_t tag, int reg)
{

	return (_PCI_MAPREG_TYPEBITS(pci_conf_read(pc, tag, reg)));
}