#include <lcrash/pci/pci.h>

#include <lcrash/acpi/acpi.h>
#include <lcrash/debug/debug.h>

bool PciIsPresent   = false;
bool PciSupportsECM = false;

void PciInitialize() {
	// Try to figure out if we have PCIe
	if (AcpiPresent()) {
		struct AcpiMCFG* BridgeTable = AcpiGetTable("MCFG");

		// Guess not
		if (BridgeTable == NULL) goto nopcie;

		while (1) {}
	}

nopcie:	Panic("Failed to initialize PCI");

	return;
}

bool PciPresent()  { return PciIsPresent; }
bool PciePresent() { return PciSupportsECM; }