ladybird/Userland/lspci.cpp
2019-09-21 20:50:06 +02:00

58 lines
1.8 KiB
C++

#include <AK/String.h>
#include <AK/JsonArray.h>
#include <AK/JsonObject.h>
#include <LibCore/CFile.h>
#include <LibPCIDB/Database.h>
#include <stdio.h>
int main(int argc, char** argv)
{
UNUSED_PARAM(argc);
UNUSED_PARAM(argv);
auto db = PCIDB::Database::open();
if (!db)
fprintf(stderr, "Couldn't open PCI ID database\n");
auto proc_pci = CFile::construct("/proc/pci");
if (!proc_pci->open(CIODevice::ReadOnly)) {
fprintf(stderr, "Error: %s\n", proc_pci->error_string());
return 1;
}
auto file_contents = proc_pci->read_all();
auto json = JsonValue::from_string(file_contents).as_array();
json.for_each([db](auto& value) {
auto dev = value.as_object();
auto bus = dev.get("bus").to_u32();
auto slot = dev.get("slot").to_u32();
auto function = dev.get("function").to_u32();
auto vendor_id = dev.get("vendor_id").to_u32();
auto device_id = dev.get("device_id").to_u32();
auto revision_id = dev.get("revision_id").to_u32();
auto class_id = dev.get("class").to_u32();
String vendor_name = String::format("%02x", vendor_id);
auto vendor = db->get_vendor(vendor_id);
if (vendor != "")
vendor_name = vendor;
String device_name = String::format("%02x", device_id);
auto device = db->get_device(vendor_id, device_id);
if (device != "")
device_name = device;
String class_name = String::format("%04x", class_id);
auto class_ptr = db->get_class(class_id);
if (class_ptr != "")
class_name = class_ptr;
printf("%02x:%02x.%d %s: %s %s (rev %02x)\n",
bus, slot, function,
class_name.characters(), vendor_name.characters(),
device_name.characters(), revision_id);
});
return 0;
}