54 lines
1.5 KiB
C
Executable File
54 lines
1.5 KiB
C
Executable File
/*******************************************************************************/
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/* COS2000 - Compatible Operating System - LGPL v3 - Hordé Nicolas */
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/* */
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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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#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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/* Detecte s */
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pcidev getPCIinfo(const u8 bus, const u8 dev, const u8 function)
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{
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pcidev result;
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const u32 registry = 0;
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u32 addr = (0x80000000|(bus << 16)|(dev << 11)|(function << 8)|(registry & 0xFC));
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outd(0xCF8, addr);
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result.dword = ind(0xCFC);
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if (result.dword == 0xFFFFFFFF)
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result.dword = 0x0;
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return result;
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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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u32 i, bus, device, function;
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pcidev result;
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i = 0;
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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 = getPCIinfo(bus, device, function);
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if (result.dword)
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printf("%d) Bus: 0x%x, Device: 0x%x. Function: 0x%x (0x%hx:0x%hx)\r\n",
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++i, bus, device, function, result.vendor, result.device);
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}
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return;
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}
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/*******************************************************************************/
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