38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
#pragma once
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#include <stdint.h>
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#include "../io.h"
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#include "../../../tty/kterm.h"
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#include "../../pci/pciDevice.h"
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// Configuration Space Access Mechanism #1
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#define CONFIG_ADDRESS 0xCF8 // Configuration adress that is to be accessed
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#define CONFIG_DATA 0xCFC // Will do the actual configuration operation
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extern const char* ClassCodeTable [0x13];
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// Note: this could be used to make the api for receiving PCI class codes a bit
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// nicer.
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struct ClassCodes {
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uint8_t ClassCode;
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uint8_t DeviceClass;
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}__attribute__((packed));
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uint32_t ConfigReadWord (uint8_t bus, uint8_t device, uint8_t func, uint8_t offset);
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uint32_t ConfigReadWord ( PCIBusAddress& PCIDeviceAddress , uint8_t offset);
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inline uint64_t GetDevice (int bus, int device, int function ){
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return ConfigReadWord(bus, device, function,0x0);
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}
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uint8_t GetHeaderType( PCIBusAddress& PCIDeviceAddress );
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uint16_t GetClassCodes( PCIBusAddress& PICDeviceAddress );
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const char* getVendor( uint64_t VendorID);
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const char* GetClassCodeName (uint64_t ClassCode );
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uint8_t GetProgIF (PCIBusAddress& PCIDeviceAddress);
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void PCI_Enumerate();
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uint32_t ReadBAR ( PCIBusAddress& PCIDeviceAddress, int bar_number); |