feat: ajout des class/subclass PCI dans la detection
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852509789d
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@ -2,16 +2,43 @@
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/* COS2000 - Compatible Operating System - LGPL v3 - Hordé Nicolas */
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/* */
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typedef struct pcidev {
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typedef struct pciclass {
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u16 number;
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u8 *name;
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} pciclass __attribute__ ((packed));
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typedef struct pcidev
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{
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u16 vendor_id;
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u16 device_id;
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u16 command;
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u16 status;
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u8 revision_id;
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u8 interface;
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u8 sub_class;
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u8 base_class;
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u8 cache_line_size;
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u8 latency_timer;
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u8 header_type;
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u8 bist;
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} pcidev __attribute__ ((packed));
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typedef struct pcidevmini {
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union {
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struct {
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u16 vendor;
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u16 device;
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u16 vendor_id;
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u16 device_id;
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};
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u32 dword;
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};
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} pcidev __attribute__ ((packed));
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} pcidevmini __attribute__ ((packed));
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u16 pciConfigReadWord(const u8 bus, const u8 dev, const u8 function, const u8 offset);
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void scanPCImini(void);
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pcidevmini getPCImininfo(const u8 bus, const u8 dev, const u8 function);
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bool getPCInfo(pcidev *device, const u8 bus, const u8 dev, const u8 function);
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void scanPCI(void);
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pcidev getPCImininfo(const u8 bus, const u8 dev, const u8 function);
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u8 * pcigetclassname( const pcidev *device);
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@ -0,0 +1,194 @@
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static pciclass old[] = {
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{ 0x0, "Pre-2.0 PCI Specification Device, Non-VGA" },
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{ 0x1, "Pre-2.0 PCI Specification Device, VGA Compatible" },
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{ 0, NULL }
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};
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static pciclass storage[] = {
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{ 0x00, "Mass Storage Controller, SCSI" },
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{ 0x01, "Mass Storage Controller, IDE" },
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{ 0x02, "Mass Storage Controller, Floppy" },
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{ 0x03, "Mass Storage Controller, IPI" },
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{ 0x04, "Mass Storage Controller, RAID" },
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{ 0x05, "Mass Storage Controller, ATA controller with single DMA" },
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{ 0x06, "Mass Storage Controller, SATA" },
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{ 0x07, "Mass Storage Controller, SAS" },
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{ 0x08, "Mass Storage Controller, NVM" },
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{ 0x80, "Mass Storage Controller, Other" },
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{ 0, NULL }
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};
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static pciclass network[] = {
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{ 0x00, "Network Controller, Ethernet" },
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{ 0x01, "Network Controller, Token Ring" },
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{ 0x02, "Network Controller, FDDI" },
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{ 0x03, "Network Controller, ATM" },
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{ 0x04, "Network Controller, ISDN" },
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{ 0x80, "Network Controller, Other" },
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{ 0, NULL }
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};
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static pciclass display[] = {
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{ 0x00, "Display Controller, VGA" },
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{ 0x01, "Display Controller, XGA" },
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{ 0x02, "Display Controller, 3D" },
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{ 0x80, "Display Controller, Other" },
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{ 0, NULL }
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};
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static pciclass multimedia[] = {
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{ 0x00, "Multimedia Device, Video" },
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{ 0x01, "Multimedia Device, Audio" },
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{ 0x02, "Multimedia Device, Telephony" },
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{ 0x03, "Multimedia Device, HDA" },
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{ 0x80, "Multimedia Device, Other" },
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{ 0, NULL }
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};
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static pciclass memory[] = {
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{ 0x00, "Memory Controller, RAM" },
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{ 0x01, "Memory Controller, Flash" },
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{ 0x80, "Memory Controller, Other" },
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{ 0, NULL }
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};
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static pciclass bridge[] = {
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{ 0x00, "Bridge Device, Host/PCI" },
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{ 0x01, "Bridge Device, PCI/ISA" },
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{ 0x02, "Bridge Device, PCI/EISA" },
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{ 0x03, "Bridge Device, PCI/Micro Channel" },
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{ 0x04, "Bridge Device, PCI/PCI" },
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{ 0x05, "Bridge Device, PCI/PCMCIA" },
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{ 0x06, "Bridge Device, PCI/NuBus" },
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{ 0x07, "Bridge Device, PCI/CardBus" },
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{ 0x08, "Bridge Device, PCI/RACEway" },
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{ 0x09, "Bridge Device, PCI/Transparent" },
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{ 0x0a, "Bridge Device, Infiniband" },
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{ 0x80, "Bridge Device, Other" },
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{ 0, NULL }
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};
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static pciclass simplecomm[] = {
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{ 0x00, "Simple Communications Controller, Serial" },
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{ 0x01, "Simple Communications Controller, Parallel" },
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{ 0x02, "Simple Communications Controller, Multiport" },
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{ 0x03, "Simple Communications Controller, Modem" },
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{ 0x04, "Simple Communications Controller, GPIB" },
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{ 0x05, "Simple Communications Controller, Smart Card" },
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{ 0x80, "Simple Communications Controller, Other" },
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{ 0, NULL }
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};
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static pciclass baseperiph[] = {
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{ 0x00, "Base Systems Peripheral, Interrupt Controller" },
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{ 0x01, "Base Systems Peripheral, DMA" },
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{ 0x02, "Base Systems Peripheral, System Timer" },
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{ 0x03, "Base Systems Peripheral, Real Time Clock" },
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{ 0x04, "Base Systems Peripheral, PCI Hot-plug" },
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{ 0x05, "Base Systems Peripheral, SD Host Controller" },
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{ 0x06, "Base Systems Peripheral, IOMMU" },
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{ 0x80, "Base Systems Peripheral, Other" },
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{ 0, NULL }
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};
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static pciclass input[] = {
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{ 0x00, "Input Device, Keyboard" },
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{ 0x01, "Input Device, Digitizer" },
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{ 0x02, "Input Device, Mouse" },
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{ 0x03, "Input Device, Scanner" },
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{ 0x04, "Input Device, Game Port" },
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{ 0x80, "Input Device, Other" },
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{ 0, NULL }
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};
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static pciclass docking[] = {
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{ 0x00, "Docking Station, Generic" },
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{ 0x80, "Docking Station, Other" },
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{ 0, NULL }
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};
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static pciclass processor[] = {
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{ 0x00, "Processor, i386" },
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{ 0x01, "Processor, i486" },
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{ 0x02, "Processor, Pentium" },
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{ 0x10, "Processor, Alpha" },
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{ 0x20, "Processor, Power PC" },
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{ 0x80, "Processor, Co-processor" },
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{ 0, NULL }
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};
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static pciclass serial[] = {
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{ 0x00, "Serial Bus Controller, Firewire" },
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{ 0x01, "Serial Bus Controller, ACCESS.bus" },
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{ 0x02, "Serial Bus Controller, SSA" },
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{ 0x03, "Serial Bus Controller, USB" },
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{ 0x04, "Serial Bus Controller, Fibre Channel" },
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{ 0x05, "Serial Bus Controller, SMBus" },
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{ 0x06, "Serial Bus Controller, Inifiniband" },
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{ 0x07, "Serial Bus Controller, IPMI" },
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{ 0, NULL }
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};
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static pciclass wireless[] = {
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{ 0x00, "Wireless Controller, iRDA" },
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{ 0x01, "Wireless Controller, IR" },
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{ 0x10, "Wireless Controller, RF" },
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{ 0x11, "Wireless Controller, Bluetooth" },
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{ 0x12, "Wireless Controller, Broadband" },
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{ 0x20, "Wireless Controller, 802.11a" },
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{ 0x21, "Wireless Controller, 802.11b" },
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{ 0x80, "Wireless Controller, Other" },
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{ 0, NULL }
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};
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static pciclass intelliio[] = {
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{ 0x00, "Intelligent IO Controller, I2O" },
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{ 0, NULL }
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};
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static pciclass satcomm[] = {
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{ 0x00, "Satellite Communication Controller, TV" },
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{ 0x01, "Satellite Communication Controller, Audio" },
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{ 0x02, "Satellite Communication Controller, Voice" },
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{ 0x03, "Satellite Communication Controller, Data" },
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{ 0, NULL }
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};
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static pciclass crypto[] = {
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{ 0x00, "Encryption/Decryption Controller, Network/computer" },
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{ 0x01, "Encryption/Decryption Controller, Entertainment" },
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{ 0x80, "Encryption/Decryption Controller, Other" },
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{ 0, NULL }
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};
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static pciclass dasp[] = {
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{ 0x00, "Data Acquisition and Signal Processing Controller, DPIO" },
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{ 0x01, "Data Acquisition and Signal Processing Controller, Performance Counter" },
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{ 0x10, "Data Acquisition and Signal Processing Controller, Communications Synchronization" },
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{ 0x20, "Data Acquisition and Signal Processing Controller, Management Card" },
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{ 0x80, "Data Acquisition and Signal Processing Controller, Other" },
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{ 0, NULL }
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};
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static pciclass *classcodes[] = {
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old,
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storage,
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network,
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display,
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multimedia,
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memory,
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bridge,
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simplecomm,
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baseperiph,
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input,
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docking,
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processor,
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serial,
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wireless,
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intelliio,
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satcomm,
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crypto,
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dasp,
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[255] = NULL
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};
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90
lib/pci.c
90
lib/pci.c
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@ -5,23 +5,79 @@
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#include "asm.h"
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#include "types.h"
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#include "pci.h"
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#include "PCI/class.c"
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#define MAX_BUS_SCAN 256
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#define MAX_DEVICE_SCAN 32
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#define MAX_FUNCTION_SCAN 8
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/*******************************************************************************/
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/* Retourne une chaine correspondant à l'ID class/subclass PCI */
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u8 * pcigetclassname( const pcidev *device)
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{
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pciclass *class = NULL;
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if ( device == NULL ) {
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return NULL;
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}
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if ( device->base_class == 0xff ) {
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return "Unassigned class";
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}
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class = classcodes[device->base_class];
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if (!class) {
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return "Unknowned class";
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}
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while (class->name != NULL) {
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if (class->number == device->sub_class) {
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return class->name;
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}
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class++;
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}
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return "Unknowned class";
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}
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/*******************************************************************************/
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/* Récupère les identifiants vendeur / periphérique du periphérique PCI donnée */
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pcidev getPCImininfo(const u8 bus, const u8 dev, const u8 function)
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pcidevmini getPCImininfo(const u8 bus, const u8 dev, const u8 function)
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{
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pcidev result;
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if ((result.vendor = pciConfigReadWord(bus,dev,function,0x0)) != 0xFFFF) {
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result.device = pciConfigReadWord(bus,dev,function,0x2);
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pcidevmini result;
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if ((result.vendor_id = pciConfigReadWord(bus,dev,function,0x0)) != 0xFFFF) {
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result.device_id = pciConfigReadWord(bus,dev,function,0x2);
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}
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return result;
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}
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/*******************************************************************************/
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/* Récupère toutes les informations du periphérique PCI donnée */
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bool getPCInfo(pcidev *device, const u8 bus, const u8 dev, const u8 function)
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{
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if ((device->vendor_id = pciConfigReadWord(bus,dev,function,0x0)) != 0xFFFF)
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{
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u16 temp;
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device->device_id = pciConfigReadWord(bus,dev,function,0x2);
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device->command = pciConfigReadWord(bus,dev,function,0x4);
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device->status = pciConfigReadWord(bus,dev,function,0x6);
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temp=pciConfigReadWord(bus,dev,function,0x8);
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device->revision_id = temp & 0xFF;
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device->interface = temp>>8;
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temp=pciConfigReadWord(bus,dev,function,0xA);
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device->sub_class = temp & 0xFF;
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device->base_class = temp>>8;
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temp=pciConfigReadWord(bus,dev,function,0xC);
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device->cache_line_size = temp & 0xFF;
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device->latency_timer = temp>>8;
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temp=pciConfigReadWord(bus,dev,function,0xE);
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device->header_type = temp & 0xFF;
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device->bist = temp>>8;
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return true;
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}
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else
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return false;
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}
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/*******************************************************************************/
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/* Récupère les informations sur le periphérique PCI donnée */
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@ -37,6 +93,25 @@ u16 pciConfigReadWord(const u8 bus, const u8 dev, const u8 function, const u8 of
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/*******************************************************************************/
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/* Scan le bus PCI et affiche les périphériques */
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void scanPCImini(void)
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{
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u16 bus,device,function;
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pcidevmini result;
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for (bus=0; bus<MAX_BUS_SCAN; ++bus)
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for (device=0; device<MAX_DEVICE_SCAN; ++device)
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for (function=0; function<MAX_FUNCTION_SCAN; ++function)
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{
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result = getPCImininfo(bus,device,function);
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if (result.vendor_id != 0xFFFF)
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printf("Bus:%hx Dev:%hx Func:%hx %hx:%hx\r\n",bus, device, function, result.vendor_id, result.device_id);
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}
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return;
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}
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/*******************************************************************************/
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/* Scan le bus PCI et affiche les périphériques */
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void scanPCI(void)
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{
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u16 bus,device,function;
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@ -44,11 +119,8 @@ void scanPCI(void)
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for (bus=0; bus<MAX_BUS_SCAN; ++bus)
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for (device=0; device<MAX_DEVICE_SCAN; ++device)
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for (function=0; function<MAX_FUNCTION_SCAN; ++function)
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{
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result = getPCImininfo(bus,device,function);
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if (result.vendor != 0xFFFF)
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printf("Bus:%hx Dev:%hx Func:%hx %hx:%hx\r\n",bus, device, function, result.vendor, result.device);
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}
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if (getPCInfo(&result,bus,device,function))
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printf("Bus:%hx Dev:%hx Func:%hx %hx:%hx ->%s\r\n",bus, device, function, result.vendor_id, result.device_id,pcigetclassname(&result));
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return;
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}
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