enderice2/Fennix
1
0
Fork 0
mirror of https://github.com/EnderIce2/Fennix.git synced 2025-07-06 04:49:16 +00:00
Code Issues Actions Releases Wiki Activity

Added PCI support

Browse Source
This commit is contained in:
Alex
2022-10-10 23:50:34 +03:00
parent 32a17c5e63
commit 19e810653a
4 changed files with 49 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
Core/PeripheralComponentInterconnect.cpp
View File

@ -1,6 +1,14 @@
#include <pci.hpp>
#include <memory.hpp>
#include <power.hpp>
#if defined(__amd64__)
#include "../Architecture/amd64/acpi.hpp"
#elif defined(__i386__)
#elif defined(__aarch64__)
#endif
#include "../kernel.h"
namespace PCI
{
@ -703,6 +711,7 @@ namespace PCI
switch (SubclassCode)
{
case 0x00:
{
switch (ProgIF)
{
case 0x00:
@ -712,7 +721,10 @@ namespace PCI
default:
break;
}
break;
}
case 0x03:
{
switch (ProgIF)
{
case 0x00:
@ -730,6 +742,8 @@ namespace PCI
default:
break;
}
break;
}
default:
break;
}
@ -826,16 +840,22 @@ namespace PCI
PCI::PCI()
{
// int Entries = ((MCFG->Header.Length) - sizeof(ACPI::ACPI::MCFGHeader)) / sizeof(DeviceConfig);
// for (int t = 0; t < Entries; t++)
// {
// DeviceConfig *NewDeviceConfig = (DeviceConfig *)((uint64_t)MCFG + sizeof(ACPI::ACPI::MCFGHeader) + (sizeof(DeviceConfig) * t));
// Memory::Virtual().Map((void *)NewDeviceConfig->BaseAddress, (void *)NewDeviceConfig->BaseAddress, Memory::PTFlag::RW);
// trace("PCI Entry %d Address:%#llx BUS:%#llx-%#llx", t, NewDeviceConfig->BaseAddress,
// NewDeviceConfig->StartBus, NewDeviceConfig->EndBus);
// for (uint64_t Bus = NewDeviceConfig->StartBus; Bus < NewDeviceConfig->EndBus; Bus++)
// EnumerateBus(NewDeviceConfig->BaseAddress, Bus);
// }
#if defined(__amd64__)
int Entries = ((((ACPI::ACPI *)PowerManager->GetACPI())->MCFG->Header.Length) - sizeof(ACPI::ACPI::MCFGHeader)) / sizeof(DeviceConfig);
for (int t = 0; t < Entries; t++)
{
DeviceConfig *NewDeviceConfig = (DeviceConfig *)((uint64_t)((ACPI::ACPI *)PowerManager->GetACPI())->MCFG + sizeof(ACPI::ACPI::MCFGHeader) + (sizeof(DeviceConfig) * t));
Memory::Virtual().Map((void *)NewDeviceConfig->BaseAddress, (void *)NewDeviceConfig->BaseAddress, Memory::PTFlag::RW);
trace("PCI Entry %d Address:%#llx BUS:%#llx-%#llx", t, NewDeviceConfig->BaseAddress,
NewDeviceConfig->StartBus, NewDeviceConfig->EndBus);
for (uint64_t Bus = NewDeviceConfig->StartBus; Bus < NewDeviceConfig->EndBus; Bus++)
EnumerateBus(NewDeviceConfig->BaseAddress, Bus);
}
#elif defined(__i386__)
error("PCI not implemented on i386");
#elif defined(__aarch64__)
error("PCI not implemented on aarch64");
#endif
}
PCI::~PCI()