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src/drivers/PCI.pas
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160
src/drivers/PCI.pas
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{ ************************************************
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* Asuro
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* Unit: Drivers/PCI
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* Description: PCI Driver
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************************************************
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* Author: Aaron Hance
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* Contributors:
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************************************************ }
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unit PCI
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interface
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uses
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system,
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util;
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type
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TClass_Code = (
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LEGACY, MASS_STORAGE_CONTROLLER, NETWORK_CONTROLLER,
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DISPLAY_CONTROLLER, MULTIMEDIA_CONTROLLER, MEMORY_CONTROLLER,
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BRIDGE_DEVICE, SIMPLE_COMM_CONTROLLER, BASE_SYS_PERIPHERALS,
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INPUT_DEVICE, DOCKING_STATION, PROCESSOR, SERIAL_BUS_CONTROLLER,
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WIRELESS_CONTROLLER, INTELLIGENT_IO_CONTROLLER,
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SATELLITE_COMM_CONTROLLER, ENCRYPTION_CONTROLLER,
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SIGNAL_PROCESSING_CONTROLLER, RESERVED
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); // 0XFF = OTHER DEVICE
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TSub_Class_Codes record // first half sub device, second half prog id
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any_non_vga_compatible : uint16 = $0000;
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any_vga_compatible : uint16 = $0100;
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scsi_bus_controller : uint16 = $0000;
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ide_controller : uint16 = $01FF;
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floppy_controller : uint16 = $0200;
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ipi_bus_controller : uint16 = $0300;
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raid_controller : uint16 = $0400;
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ata_single_dma : uint16 = $0520;
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ata_chained_dma : uint16 = $0530;
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serial_ata_ahci_vsi : uint16 = $0600;
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serial_ata_ahci : uint16 = $0601;
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serial_attached_scsi : uint16 = $0700;
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other_mass_storage : uint16 = $8000;
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ethernet_controller : uint16 = $0000;
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token_ring_controller : uint16 = $0100;
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fddi_controller : uint16 = $0200;
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atm_controller : uint16 = $0300;
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isdn_controller : uint16 = $0400;
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worldfip_controller : uint16 = $0500;
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picmg_multi_computing : uint16 = $0600;
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other_network_controller : uint16 = $8000;
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vga_compatible_controller : uint16 = $0000;
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c8512_compatible_controller : uint16 = $0001;
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xga_controller : uint16 = $0100;
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c3d_controller : uint16 = $0200;
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other_display_controller : uint16 = $8000;
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video_device : uint16 = $0000;
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audio_device : uint16 = $0100;
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computer_telephony_device : uint16 = $0200;
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other_multimedia_device : uint16 = $8000;
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ram_controller : uint16 = $0000;
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flash_controller : uint16 = $0100;
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other_memory_controller : uint16 = $8000;
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host_bridge : uint16 = $0100;
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isa_bridge : uint16 = $0200;
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eisa_bridge : uint16 = $0300;
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pci_2_pci_bridge : uint16 = $0400;
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subtractive_pci_2_pci_bridge : uint16 = $0401;
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pcmcia_bridge : uint16 = $0500;
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nubus_bridge : uint16 = $0600;
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cardbus_bridge : uint16 = $0700;
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raceway_bridge : uint16 = $0800;
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semi_pci_2_pci_bridge_p : uint16 = $0940;
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semi_pci_2_pci_bridge_s : uint16 = $0980;
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infiniband_2_pci_bridge : uint16 = $0A00;
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other_bridge_device : uint16 = $8000;
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end;
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TPCI_Device_class record
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class_code : uint8;
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sub_classes : array[256] of uint8;
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prog_if : array[256] of uint8;
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end;
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TPCI_Config bitpacked record
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enable_bit : uint8; //first bit enables, rest reserved
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bus_number : uint8;
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df_number : uint8; // 5bits device number, 3bits function number
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register_offset : uint8; //last 2bits should be 00
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end;
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TPCI_BIST bitpacked record
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capable : boolean;
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start : boolean;
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reserved : ubit2;
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completion_code : ubit3;
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end;
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TPCI_Header_Type bitpacked record
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MF : boolean;
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header_type : ubit7;
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end;
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TPCI_Device bitpacked record
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device_id : uint16;
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vendor_id : uint16;
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status : uint16;
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command : uint16;
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class_code : uint8;
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subclass_class : uint8;
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prog_if : uint8;
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revision_id : uint8;
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BIST : TPCI_BIST;
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header_type : uint8;
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latency_timer : uint8;
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cache_size : uint8;
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address0 : uint32;
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address1 : uint32;
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address2 : uint32;
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address3 : uint32;
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address4 : uint32;
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address5 : uint32;
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CIS_pointer : uint32;
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subsystem_id : uint16;
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subsystem_vid : uint16;
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exp_rom_addr : uint32;
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reserved0 : uint16;
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reserved1 : uint8;
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capabilities : uint8;
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reserved2 : uint32;
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max_latency : uint8;
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min_grant : uint8;
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interrupt_pin : uint8;
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interrupt_line : uint8;
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end;
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TPCI_Device_Bridge bitpacked record
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end;
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TCommand_Register bitpacked record
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end;
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TStatus_Register bitpacked record
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end;
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var
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classes: array [255] of TPCI_Device_class;
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procedure init();
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implementation
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procedure init();
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begin
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end;
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end.
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