99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
#pragma once
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#include <stdint-gcc.h>
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#include "../../terminal/kterm.h"
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#include "ideCommands.h"
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#include "sampleIDE.h"
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#include "../../pci/pciDevice.h"
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#include "../../pci/pci.h"
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#define IS_BIT_SET(x, bit) ((x >> bit & 0x1) == 1)
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IDEChannelRegisters channels[2];
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IDE_DEVICE ide_devices[4];
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inline void CheckProgIF(uint8_t ProgIF){
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if( IS_BIT_SET(ProgIF, 0) ) // Is the 0th bit set
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{
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printf ("Primary Channel is in PCI native mode\n");
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} else{
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printf("Primary Channel is in Compatibility mode\n");
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}
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if( IS_BIT_SET(ProgIF, 1)){
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printf("Bit 0 can be modified\n");
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}else{
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printf("Bit 0 cannot be modified\n");
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}
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if( IS_BIT_SET(ProgIF, 2)){
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printf("Secondary channel is in PCI native mode\n");
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}else{
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printf("Secondary channel is in Compatibility mode\n");
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}
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if( IS_BIT_SET(ProgIF, 3)){
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printf("Bit 2 can be modified\n");
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}else{
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printf("Bit 2 cannot be modified\n");
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}
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if( IS_BIT_SET(ProgIF , 7)){
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printf("This is a bus master IDE Controller\n");
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} else{
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printf("This controller doesn't support DMA!\n");
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}
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}
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inline void TestIDEController(){
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// Do stuff
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printf("Testing IDE controllers\n");
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// NOTE: Testing done with a hard coded known PCI addres
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// Of an intel PIIX3 IDE Controller
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int bus = 0;
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int device =1 , function = 1;
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PCIBusAddress IDEControllerPCIAddress = PCIBusAddress{bus,device, function};
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uint8_t ProgIF = PCI::GetProgIF(IDEControllerPCIAddress);
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printf( "ProgIF: 0x%x\n" ,ProgIF);
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//CheckProgIF(ProgIF);
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// For this test will just assume all bits are set
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// the CheckProgIF can check but on the test machine all bits are set anyways
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uint32_t BAR0,BAR1,BAR2,BAR3, BAR4;
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BAR0 = PCI::ReadBAR(IDEControllerPCIAddress, 0);
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BAR1 = PCI::ReadBAR(IDEControllerPCIAddress, 1);
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BAR2 = PCI::ReadBAR(IDEControllerPCIAddress, 2);
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BAR3 = PCI::ReadBAR(IDEControllerPCIAddress, 3);
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BAR4 = PCI::ReadBAR(IDEControllerPCIAddress, 4);
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// All bars are return 0xffffff for some as of yet mysterious reason!
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printf( "BAR 0: 0x%x\n", BAR0);
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printf( "BAR 1: 0x%x\n", BAR1);
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printf( "BAR 2: 0x%x\n", BAR2);
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printf( "BAR 3: 0x%x\n", BAR3);
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printf( "BAR 4: 0x%x\n", BAR4);
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init_IDE(BAR0, BAR1, BAR2, BAR3, BAR4);
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// Read Something from disc
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unsigned int maxByteCount = 20 ;
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void* MDA_buffer = (void*)0xC0000000;
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}
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