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Updated driver loading code

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This commit is contained in:
Alex 2022-12-16 03:08:31 +02:00
parent e930e02752
commit d33a812703
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
7 changed files with 506 additions and 383 deletions
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426
Core/Driver/Driver.cpp
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@ -47,7 +47,8 @@ namespace Driver
API->Info.Offset = (unsigned long)fex;
API->Info.DriverUID = DriverUIDs++;
int ret = ((int (*)(KernelAPI *))((uint64_t)((Fex *)fex)->Pointer + (uint64_t)fex))(API);
debug("Calling driver entry point ( %#lx %ld )", (unsigned long)fex, API->Info.DriverUID);
int ret = ((int (*)(KernelAPI *))((uint64_t)((Fex *)fex)->EntryPoint + (uint64_t)fex))(API);
if (DriverReturnCode::OK != ret)
return DriverCode::DRIVER_RETURNED_ERROR;
@ -58,8 +59,40 @@ namespace Driver
{
Fex *DrvHdr = (Fex *)DriverAddress;
if (DrvHdr->Magic[0] != 'F' || DrvHdr->Magic[1] != 'E' || DrvHdr->Magic[2] != 'X' || DrvHdr->Magic[3] != '\0')
{
if (Size > 0x1000)
{
Fex *ElfDrvHdr = (Fex *)(DriverAddress + 0x1000);
if (ElfDrvHdr->Magic[0] != 'F' || ElfDrvHdr->Magic[1] != 'E' || ElfDrvHdr->Magic[2] != 'X' || ElfDrvHdr->Magic[3] != '\0')
return DriverCode::INVALID_FEX_HEADER;
debug("Fex Magic: \"%s\"; Type: %d; OS: %d; Pointer: %#lx", DrvHdr->Magic, DrvHdr->Type, DrvHdr->OS, DrvHdr->Pointer);
else
{
debug("Fex Magic: \"%s\"; Type: %d; OS: %d; EntryPoint: %#lx", ElfDrvHdr->Magic, ElfDrvHdr->Type, ElfDrvHdr->OS, ElfDrvHdr->EntryPoint);
if (ElfDrvHdr->Type == FexFormatType::FexFormatType_Driver)
{
FexExtended *ElfDrvExtHdr = (FexExtended *)((uint64_t)ElfDrvHdr + EXTENDED_SECTION_ADDRESS);
debug("Name: \"%s\"; Type: %d; Callback: %#lx", ElfDrvExtHdr->Driver.Name, ElfDrvExtHdr->Driver.Type, ElfDrvExtHdr->Driver.Callback);
if (ElfDrvExtHdr->Driver.Bind.Type == DriverBindType::BIND_PCI)
return this->DriverLoadBindPCI(ElfDrvExtHdr, DriverAddress, Size, true);
else if (ElfDrvExtHdr->Driver.Bind.Type == DriverBindType::BIND_INTERRUPT)
return this->DriverLoadBindInterrupt(ElfDrvExtHdr, DriverAddress, Size, true);
else if (ElfDrvExtHdr->Driver.Bind.Type == DriverBindType::BIND_PROCESS)
return this->DriverLoadBindProcess(ElfDrvExtHdr, DriverAddress, Size, true);
else if (ElfDrvExtHdr->Driver.Bind.Type == DriverBindType::BIND_INPUT)
return this->DriverLoadBindInput(ElfDrvExtHdr, DriverAddress, Size, true);
else
error("Unknown driver bind type: %d", ElfDrvExtHdr->Driver.Bind.Type);
}
else
return DriverCode::NOT_DRIVER;
}
}
else
return DriverCode::INVALID_FEX_HEADER;
}
debug("Fex Magic: \"%s\"; Type: %d; OS: %d; EntryPoint: %#lx", DrvHdr->Magic, DrvHdr->Type, DrvHdr->OS, DrvHdr->EntryPoint);
if (DrvHdr->Type == FexFormatType::FexFormatType_Driver)
{
@ -67,388 +100,19 @@ namespace Driver
debug("Name: \"%s\"; Type: %d; Callback: %#lx", DrvExtHdr->Driver.Name, DrvExtHdr->Driver.Type, DrvExtHdr->Driver.Callback);
if (DrvExtHdr->Driver.Bind.Type == DriverBindType::BIND_PCI)
{
for (unsigned long Vidx = 0; Vidx < sizeof(DrvExtHdr->Driver.Bind.PCI.VendorID) / sizeof(DrvExtHdr->Driver.Bind.PCI.VendorID[0]); Vidx++)
for (unsigned long Didx = 0; Didx < sizeof(DrvExtHdr->Driver.Bind.PCI.DeviceID) / sizeof(DrvExtHdr->Driver.Bind.PCI.DeviceID[0]); Didx++)
{
if (Vidx >= sizeof(DrvExtHdr->Driver.Bind.PCI.VendorID) && Didx >= sizeof(DrvExtHdr->Driver.Bind.PCI.DeviceID))
break;
if (DrvExtHdr->Driver.Bind.PCI.VendorID[Vidx] == 0 || DrvExtHdr->Driver.Bind.PCI.DeviceID[Didx] == 0)
continue;
Vector<PCI::PCIDeviceHeader *> devices = PCIManager->FindPCIDevice(DrvExtHdr->Driver.Bind.PCI.VendorID[Vidx], DrvExtHdr->Driver.Bind.PCI.DeviceID[Didx]);
if (devices.size() == 0)
continue;
foreach (auto PCIDevice in devices)
{
debug("[%ld] VendorID: %#x; DeviceID: %#x", devices.size(), PCIDevice->VendorID, PCIDevice->DeviceID);
Fex *fex = (Fex *)KernelAllocator.RequestPages(TO_PAGES(Size));
memcpy(fex, (void *)DriverAddress, Size);
FexExtended *fexExtended = (FexExtended *)((uint64_t)fex + EXTENDED_SECTION_ADDRESS);
debug("Driver allocated at %#lx-%#lx", fex, (uint64_t)fex + Size);
#ifdef DEBUG
uint8_t *result = md5File((uint8_t *)fex, Size);
debug("MD5: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
result[0], result[1], result[2], result[3], result[4], result[5], result[6], result[7],
result[8], result[9], result[10], result[11], result[12], result[13], result[14], result[15]);
kfree(result);
#endif
if (CallDriverEntryPoint(fex) != DriverCode::OK)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
return DriverCode::DRIVER_RETURNED_ERROR;
}
debug("Starting driver %s", fexExtended->Driver.Name);
KernelCallback *KCallback = (KernelCallback *)KernelAllocator.RequestPages(TO_PAGES(sizeof(KernelCallback)));
debug("Type: %d; IOBase: %#x; MemoryBase: %#x",
((PCI::PCIHeader0 *)PCIDevice)->BAR0 & 1,
((PCI::PCIHeader0 *)PCIDevice)->BAR1 & (~3),
((PCI::PCIHeader0 *)PCIDevice)->BAR0 & (~15));
if ((((PCI::PCIHeader0 *)PCIDevice)->BAR0 & 1) != 0)
if (!Memory::Virtual().Check((void *)(uint64_t)(((PCI::PCIHeader0 *)PCIDevice)->BAR1 & (~3))))
{
debug("IO base (BAR1 & ~3) is not mapped");
Memory::Virtual().Map((void *)(uint64_t)(((PCI::PCIHeader0 *)PCIDevice)->BAR1 & (~3)), (void *)(uint64_t)(((PCI::PCIHeader0 *)PCIDevice)->BAR1 & (~3)), Memory::PTFlag::RW);
}
if ((((PCI::PCIHeader0 *)PCIDevice)->BAR0 & 1) == 0)
if (!Memory::Virtual().Check((void *)(uint64_t)(((PCI::PCIHeader0 *)PCIDevice)->BAR0 & (~15))))
{
debug("Memory base (BAR0 & ~15) is not mapped");
Memory::Virtual().Map((void *)(uint64_t)(((PCI::PCIHeader0 *)PCIDevice)->BAR0 & (~15)), (void *)(uint64_t)(((PCI::PCIHeader0 *)PCIDevice)->BAR0 & (~15)), Memory::PTFlag::RW);
uint64_t original = ((PCI::PCIHeader0 *)PCIDevice)->BAR0;
((PCI::PCIHeader0 *)PCIDevice)->BAR0 = 0xFFFFFFFF;
uint64_t size = ((PCI::PCIHeader0 *)PCIDevice)->BAR0 & 0xFFFFFFF0;
((PCI::PCIHeader0 *)PCIDevice)->BAR0 = original;
debug("Size: %#lx (%ld pages)", size, TO_PAGES(size));
fixme("TODO: [BUG] Mapping is broken!!!!!!");
}
switch (fexExtended->Driver.Type)
{
case FexDriverType::FexDriverType_Generic:
{
fixme("Generic driver: %s", fexExtended->Driver.Name);
break;
}
case FexDriverType::FexDriverType_Display:
{
fixme("Display driver: %s", fexExtended->Driver.Name);
break;
}
case FexDriverType::FexDriverType_Network:
{
DriverInterruptHook *InterruptHook = new DriverInterruptHook(((int)((PCI::PCIHeader0 *)devices[0])->InterruptLine) + 32, // x86
(void *)((uint64_t)fexExtended->Driver.Callback + (uint64_t)fex),
KCallback);
KCallback->RawPtr = PCIDevice;
KCallback->Reason = CallbackReason::ConfigurationReason;
int CallbackRet = ((int (*)(KernelCallback *))((uint64_t)fexExtended->Driver.Callback + (uint64_t)fex))(KCallback);
if (CallbackRet == DriverReturnCode::NOT_IMPLEMENTED)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
delete InterruptHook;
error("Driver %s does not implement the configuration callback", fexExtended->Driver.Name);
continue;
}
else if (CallbackRet == DriverReturnCode::OK)
trace("Device found for driver: %s", fexExtended->Driver.Name);
else
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
delete InterruptHook;
error("Driver %s returned error %d", fexExtended->Driver.Name, CallbackRet);
continue;
}
memset(KCallback, 0, sizeof(KernelCallback));
KCallback->Reason = CallbackReason::InterruptReason;
DriverFile *DrvFile = new DriverFile;
DrvFile->DriverUID = KAPI.Info.DriverUID;
DrvFile->Address = (void *)fex;
DrvFile->InterruptHook[0] = InterruptHook;
Drivers.push_back(DrvFile);
break;
}
case FexDriverType::FexDriverType_Storage:
{
KCallback->RawPtr = PCIDevice;
KCallback->Reason = CallbackReason::ConfigurationReason;
int CallbackRet = ((int (*)(KernelCallback *))((uint64_t)fexExtended->Driver.Callback + (uint64_t)fex))(KCallback);
if (CallbackRet == DriverReturnCode::NOT_IMPLEMENTED)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
error("Driver %s does not implement the configuration callback", fexExtended->Driver.Name);
continue;
}
else if (CallbackRet == DriverReturnCode::OK)
trace("Device found for driver: %s", fexExtended->Driver.Name);
else
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
error("Driver %s returned error %d", fexExtended->Driver.Name, CallbackRet);
continue;
}
DriverFile *DrvFile = new DriverFile;
DrvFile->DriverUID = KAPI.Info.DriverUID;
DrvFile->Address = (void *)fex;
DrvFile->InterruptHook[0] = nullptr;
Drivers.push_back(DrvFile);
break;
}
case FexDriverType::FexDriverType_FileSystem:
{
fixme("Filesystem driver: %s", fexExtended->Driver.Name);
break;
}
case FexDriverType::FexDriverType_Input:
{
fixme("Input driver: %s", fexExtended->Driver.Name);
break;
}
case FexDriverType::FexDriverType_Audio:
{
fixme("Audio driver: %s", fexExtended->Driver.Name);
break;
}
default:
{
warn("Unknown driver type: %d", fexExtended->Driver.Type);
break;
}
}
}
}
}
return this->DriverLoadBindPCI(DrvExtHdr, DriverAddress, Size);
else if (DrvExtHdr->Driver.Bind.Type == DriverBindType::BIND_INTERRUPT)
{
Fex *fex = (Fex *)KernelAllocator.RequestPages(TO_PAGES(Size));
memcpy(fex, (void *)DriverAddress, Size);
FexExtended *fexExtended = (FexExtended *)((uint64_t)fex + EXTENDED_SECTION_ADDRESS);
debug("Driver allocated at %#lx-%#lx", fex, (uint64_t)fex + Size);
#ifdef DEBUG
uint8_t *result = md5File((uint8_t *)fex, Size);
debug("MD5: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
result[0], result[1], result[2], result[3], result[4], result[5], result[6], result[7],
result[8], result[9], result[10], result[11], result[12], result[13], result[14], result[15]);
kfree(result);
#endif
if (CallDriverEntryPoint(fex) != DriverCode::OK)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
return DriverCode::DRIVER_RETURNED_ERROR;
}
debug("Starting driver %s (offset: %#lx)", fexExtended->Driver.Name, fex);
KernelCallback *KCallback = (KernelCallback *)KernelAllocator.RequestPages(TO_PAGES(sizeof(KernelCallback)));
switch (fexExtended->Driver.Type)
{
case FexDriverType::FexDriverType_Generic:
{
fixme("Generic driver: %s", fexExtended->Driver.Name);
break;
}
case FexDriverType::FexDriverType_Display:
{
fixme("Display driver: %s", fexExtended->Driver.Name);
break;
}
case FexDriverType::FexDriverType_Network:
{
fixme("Network driver: %s", fexExtended->Driver.Name);
break;
}
case FexDriverType::FexDriverType_Storage:
{
for (unsigned long i = 0; i < sizeof(DrvExtHdr->Driver.Bind.Interrupt.Vector) / sizeof(DrvExtHdr->Driver.Bind.Interrupt.Vector[0]); i++)
{
if (DrvExtHdr->Driver.Bind.Interrupt.Vector[i] == 0)
break;
fixme("TODO: MULTIPLE BIND INTERRUPT VECTORS %d", DrvExtHdr->Driver.Bind.Interrupt.Vector[i]);
}
fixme("Not implemented");
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
break;
KCallback->RawPtr = nullptr;
KCallback->Reason = CallbackReason::ConfigurationReason;
int CallbackRet = ((int (*)(KernelCallback *))((uint64_t)fexExtended->Driver.Callback + (uint64_t)fex))(KCallback);
if (CallbackRet == DriverReturnCode::NOT_IMPLEMENTED)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
error("Driver %s does not implement the configuration callback", fexExtended->Driver.Name);
break;
}
else if (CallbackRet != DriverReturnCode::OK)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
error("Driver %s returned error %d", fexExtended->Driver.Name, CallbackRet);
break;
}
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
// DriverFile *DrvFile = new DriverFile;
// Drivers.push_back(DrvFile);
break;
}
case FexDriverType::FexDriverType_FileSystem:
{
fixme("Filesystem driver: %s", fexExtended->Driver.Name);
break;
}
case FexDriverType::FexDriverType_Input:
{
DriverInterruptHook *InterruptHook = nullptr;
if (DrvExtHdr->Driver.Bind.Interrupt.Vector[0] != 0)
InterruptHook = new DriverInterruptHook(DrvExtHdr->Driver.Bind.Interrupt.Vector[0] + 32, // x86
(void *)((uint64_t)fexExtended->Driver.Callback + (uint64_t)fex),
KCallback);
for (unsigned long i = 0; i < sizeof(DrvExtHdr->Driver.Bind.Interrupt.Vector) / sizeof(DrvExtHdr->Driver.Bind.Interrupt.Vector[0]); i++)
{
if (DrvExtHdr->Driver.Bind.Interrupt.Vector[i] == 0)
break;
// InterruptHook = new DriverInterruptHook(DrvExtHdr->Driver.Bind.Interrupt.Vector[i] + 32, // x86
// (void *)((uint64_t)fexExtended->Driver.Callback + (uint64_t)fex),
// KCallback);
fixme("TODO: MULTIPLE BIND INTERRUPT VECTORS %d", DrvExtHdr->Driver.Bind.Interrupt.Vector[i]);
}
KCallback->RawPtr = nullptr;
KCallback->Reason = CallbackReason::ConfigurationReason;
int CallbackRet = ((int (*)(KernelCallback *))((uint64_t)fexExtended->Driver.Callback + (uint64_t)fex))(KCallback);
if (CallbackRet == DriverReturnCode::NOT_IMPLEMENTED)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
error("Driver %s does not implement the configuration callback", fexExtended->Driver.Name);
break;
}
else if (CallbackRet != DriverReturnCode::OK)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
error("Driver %s returned error %d", fexExtended->Driver.Name, CallbackRet);
break;
}
memset(KCallback, 0, sizeof(KernelCallback));
KCallback->Reason = CallbackReason::InterruptReason;
DriverFile *DrvFile = new DriverFile;
DrvFile->DriverUID = KAPI.Info.DriverUID;
DrvFile->Address = (void *)fex;
DrvFile->InterruptHook[0] = InterruptHook;
Drivers.push_back(DrvFile);
break;
}
case FexDriverType::FexDriverType_Audio:
{
fixme("Audio driver: %s", fexExtended->Driver.Name);
break;
}
default:
{
warn("Unknown driver type: %d", fexExtended->Driver.Type);
break;
}
}
}
return this->DriverLoadBindInterrupt(DrvExtHdr, DriverAddress, Size);
else if (DrvExtHdr->Driver.Bind.Type == DriverBindType::BIND_PROCESS)
{
fixme("Process driver: %s", DrvExtHdr->Driver.Name);
}
return this->DriverLoadBindProcess(DrvExtHdr, DriverAddress, Size);
else if (DrvExtHdr->Driver.Bind.Type == DriverBindType::BIND_INPUT)
{
Fex *fex = (Fex *)KernelAllocator.RequestPages(TO_PAGES(Size));
memcpy(fex, (void *)DriverAddress, Size);
FexExtended *fexExtended = (FexExtended *)((uint64_t)fex + EXTENDED_SECTION_ADDRESS);
debug("Driver allocated at %#lx-%#lx", fex, (uint64_t)fex + Size);
#ifdef DEBUG
uint8_t *result = md5File((uint8_t *)fex, Size);
debug("MD5: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
result[0], result[1], result[2], result[3], result[4], result[5], result[6], result[7],
result[8], result[9], result[10], result[11], result[12], result[13], result[14], result[15]);
kfree(result);
#endif
if (CallDriverEntryPoint(fex) != DriverCode::OK)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
return DriverCode::DRIVER_RETURNED_ERROR;
}
debug("Starting driver %s (offset: %#lx)", fexExtended->Driver.Name, fex);
KernelCallback *KCallback = (KernelCallback *)KernelAllocator.RequestPages(TO_PAGES(sizeof(KernelCallback)));
switch (fexExtended->Driver.Type)
{
case FexDriverType::FexDriverType_Input:
{
fixme("Input driver: %s", fexExtended->Driver.Name);
KCallback->RawPtr = nullptr;
break;
KCallback->Reason = CallbackReason::ConfigurationReason;
int CallbackRet = ((int (*)(KernelCallback *))((uint64_t)fexExtended->Driver.Callback + (uint64_t)fex))(KCallback);
if (CallbackRet == DriverReturnCode::NOT_IMPLEMENTED)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
error("Driver %s does not implement the configuration callback", fexExtended->Driver.Name);
break;
}
else if (CallbackRet != DriverReturnCode::OK)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
error("Driver %s returned error %d", fexExtended->Driver.Name, CallbackRet);
break;
}
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
DriverFile *DrvFile = new DriverFile;
DrvFile->DriverUID = KAPI.Info.DriverUID;
DrvFile->Address = (void *)fex;
DrvFile->InterruptHook[0] = nullptr;
Drivers.push_back(DrvFile);
break;
}
default:
{
warn("Unknown driver type: %d", fexExtended->Driver.Type);
break;
}
}
}
return this->DriverLoadBindInput(DrvExtHdr, DriverAddress, Size);
else
{
error("Unknown driver bind type: %d", DrvExtHdr->Driver.Bind.Type);
}
}
else
return DriverCode::NOT_DRIVER;
return DriverCode::OK;
return DriverCode::ERROR;
}
Driver::Driver()
@ -462,15 +126,15 @@ namespace Driver
{
const char *extension;
cwk_path_get_extension(driver->Name, &extension, nullptr);
if (!strcmp(extension, ".fex"))
if (!strcmp(extension, ".fex") || !strcmp(extension, ".elf"))
{
uint64_t ret = this->LoadDriver(driver->Address, driver->Length);
char retstring[128];
char RetString[128];
if (ret == DriverCode::OK)
strncpy(retstring, "\e058C19OK", 64);
strncpy(RetString, "\e058C19OK", 64);
else
sprintf_(retstring, "\eE85230FAILED (%#lx)", ret);
KPrint("%s %s", driver->Name, retstring);
sprintf_(RetString, "\eE85230FAILED (%#lx)", ret);
KPrint("%s %s", driver->Name, RetString);
}
}
vfs->Close(DriverDirectory);

82
Core/Driver/DriverLoading/BindInput.cpp Normal file
View File

@ -0,0 +1,82 @@
#include "../api.hpp"
#include <interrupts.hpp>
#include <memory.hpp>
#include <task.hpp>
#include <lock.hpp>
#include <printf.h>
#include <cwalk.h>
#include <md5.h>
#include "../../../kernel.h"
#include "../../../DAPI.hpp"
#include "../../../Fex.hpp"
namespace Driver
{
DriverCode Driver::DriverLoadBindInput(void *DrvExtHdr, uint64_t DriverAddress, uint64_t Size, bool IsElf)
{
Fex *fex = (Fex *)KernelAllocator.RequestPages(TO_PAGES(Size));
memcpy(fex, (void *)DriverAddress, Size);
FexExtended *fexExtended = (FexExtended *)((uint64_t)fex + EXTENDED_SECTION_ADDRESS);
debug("Driver allocated at %#lx-%#lx", fex, (uint64_t)fex + Size);
#ifdef DEBUG
uint8_t *result = md5File((uint8_t *)fex, Size);
debug("MD5: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
result[0], result[1], result[2], result[3], result[4], result[5], result[6], result[7],
result[8], result[9], result[10], result[11], result[12], result[13], result[14], result[15]);
kfree(result);
#endif
if (CallDriverEntryPoint(fex) != DriverCode::OK)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
return DriverCode::DRIVER_RETURNED_ERROR;
}
debug("Starting driver %s (offset: %#lx)", fexExtended->Driver.Name, fex);
KernelCallback *KCallback = (KernelCallback *)KernelAllocator.RequestPages(TO_PAGES(sizeof(KernelCallback)));
switch (fexExtended->Driver.Type)
{
case FexDriverType::FexDriverType_Input:
{
fixme("Input driver: %s", fexExtended->Driver.Name);
KCallback->RawPtr = nullptr;
break;
KCallback->Reason = CallbackReason::ConfigurationReason;
int CallbackRet = ((int (*)(KernelCallback *))((uint64_t)fexExtended->Driver.Callback + (uint64_t)fex))(KCallback);
if (CallbackRet == DriverReturnCode::NOT_IMPLEMENTED)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
error("Driver %s does not implement the configuration callback", fexExtended->Driver.Name);
break;
}
else if (CallbackRet != DriverReturnCode::OK)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
error("Driver %s returned error %d", fexExtended->Driver.Name, CallbackRet);
break;
}
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
DriverFile *DrvFile = new DriverFile;
DrvFile->DriverUID = KAPI.Info.DriverUID;
DrvFile->Address = (void *)fex;
DrvFile->InterruptHook[0] = nullptr;
Drivers.push_back(DrvFile);
break;
}
default:
{
warn("Unknown driver type: %d", fexExtended->Driver.Type);
break;
}
}
return DriverCode::OK;
}
}

165
Core/Driver/DriverLoading/BindInterrupt.cpp Normal file
View File

@ -0,0 +1,165 @@
#include "../api.hpp"
#include <interrupts.hpp>
#include <memory.hpp>
#include <task.hpp>
#include <lock.hpp>
#include <printf.h>
#include <cwalk.h>
#include <md5.h>
#include "../../../kernel.h"
#include "../../../DAPI.hpp"
#include "../../../Fex.hpp"
namespace Driver
{
DriverCode Driver::DriverLoadBindInterrupt(void *DrvExtHdr, uint64_t DriverAddress, uint64_t Size, bool IsElf)
{
Fex *fex = (Fex *)KernelAllocator.RequestPages(TO_PAGES(Size));
memcpy(fex, (void *)DriverAddress, Size);
FexExtended *fexExtended = (FexExtended *)((uint64_t)fex + EXTENDED_SECTION_ADDRESS);
debug("Driver allocated at %#lx-%#lx", fex, (uint64_t)fex + Size);
#ifdef DEBUG
uint8_t *result = md5File((uint8_t *)fex, Size);
debug("MD5: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
result[0], result[1], result[2], result[3], result[4], result[5], result[6], result[7],
result[8], result[9], result[10], result[11], result[12], result[13], result[14], result[15]);
kfree(result);
#endif
if (CallDriverEntryPoint(fex) != DriverCode::OK)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
return DriverCode::DRIVER_RETURNED_ERROR;
}
debug("Starting driver %s (offset: %#lx)", fexExtended->Driver.Name, fex);
KernelCallback *KCallback = (KernelCallback *)KernelAllocator.RequestPages(TO_PAGES(sizeof(KernelCallback)));
switch (fexExtended->Driver.Type)
{
case FexDriverType::FexDriverType_Generic:
{
fixme("Generic driver: %s", fexExtended->Driver.Name);
DriverFile *DrvFile = new DriverFile;
DrvFile->DriverUID = KAPI.Info.DriverUID;
DrvFile->Address = (void *)fex;
Drivers.push_back(DrvFile);
break;
}
case FexDriverType::FexDriverType_Display:
{
fixme("Display driver: %s", fexExtended->Driver.Name);
break;
}
case FexDriverType::FexDriverType_Network:
{
fixme("Network driver: %s", fexExtended->Driver.Name);
break;
}
case FexDriverType::FexDriverType_Storage:
{
for (unsigned long i = 0; i < sizeof(((FexExtended *)DrvExtHdr)->Driver.Bind.Interrupt.Vector) / sizeof(((FexExtended *)DrvExtHdr)->Driver.Bind.Interrupt.Vector[0]); i++)
{
if (((FexExtended *)DrvExtHdr)->Driver.Bind.Interrupt.Vector[i] == 0)
break;
fixme("TODO: MULTIPLE BIND INTERRUPT VECTORS %d", ((FexExtended *)DrvExtHdr)->Driver.Bind.Interrupt.Vector[i]);
}
fixme("Not implemented");
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
break;
KCallback->RawPtr = nullptr;
KCallback->Reason = CallbackReason::ConfigurationReason;
int CallbackRet = ((int (*)(KernelCallback *))((uint64_t)fexExtended->Driver.Callback + (uint64_t)fex))(KCallback);
if (CallbackRet == DriverReturnCode::NOT_IMPLEMENTED)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
error("Driver %s does not implement the configuration callback", fexExtended->Driver.Name);
break;
}
else if (CallbackRet != DriverReturnCode::OK)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
error("Driver %s returned error %d", fexExtended->Driver.Name, CallbackRet);
break;
}
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
// DriverFile *DrvFile = new DriverFile;
// Drivers.push_back(DrvFile);
break;
}
case FexDriverType::FexDriverType_FileSystem:
{
fixme("Filesystem driver: %s", fexExtended->Driver.Name);
break;
}
case FexDriverType::FexDriverType_Input:
{
DriverInterruptHook *InterruptHook = nullptr;
if (((FexExtended *)DrvExtHdr)->Driver.Bind.Interrupt.Vector[0] != 0)
InterruptHook = new DriverInterruptHook(((FexExtended *)DrvExtHdr)->Driver.Bind.Interrupt.Vector[0] + 32, // x86
(void *)((uint64_t)fexExtended->Driver.Callback + (uint64_t)fex),
KCallback);
for (unsigned long i = 0; i < sizeof(((FexExtended *)DrvExtHdr)->Driver.Bind.Interrupt.Vector) / sizeof(((FexExtended *)DrvExtHdr)->Driver.Bind.Interrupt.Vector[0]); i++)
{
if (((FexExtended *)DrvExtHdr)->Driver.Bind.Interrupt.Vector[i] == 0)
break;
// InterruptHook = new DriverInterruptHook(((FexExtended *)DrvExtHdr)->Driver.Bind.Interrupt.Vector[i] + 32, // x86
// (void *)((uint64_t)fexExtended->Driver.Callback + (uint64_t)fex),
// KCallback);
fixme("TODO: MULTIPLE BIND INTERRUPT VECTORS %d", ((FexExtended *)DrvExtHdr)->Driver.Bind.Interrupt.Vector[i]);
}
KCallback->RawPtr = nullptr;
KCallback->Reason = CallbackReason::ConfigurationReason;
int CallbackRet = ((int (*)(KernelCallback *))((uint64_t)fexExtended->Driver.Callback + (uint64_t)fex))(KCallback);
if (CallbackRet == DriverReturnCode::NOT_IMPLEMENTED)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
error("Driver %s does not implement the configuration callback", fexExtended->Driver.Name);
break;
}
else if (CallbackRet != DriverReturnCode::OK)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
error("Driver %s returned error %d", fexExtended->Driver.Name, CallbackRet);
break;
}
memset(KCallback, 0, sizeof(KernelCallback));
KCallback->Reason = CallbackReason::InterruptReason;
DriverFile *DrvFile = new DriverFile;
DrvFile->DriverUID = KAPI.Info.DriverUID;
DrvFile->Address = (void *)fex;
DrvFile->InterruptHook[0] = InterruptHook;
Drivers.push_back(DrvFile);
break;
}
case FexDriverType::FexDriverType_Audio:
{
fixme("Audio driver: %s", fexExtended->Driver.Name);
break;
}
default:
{
warn("Unknown driver type: %d", fexExtended->Driver.Type);
break;
}
}
return DriverCode::OK;
}
}

185
Core/Driver/DriverLoading/BindPCI.cpp Normal file
View File

@ -0,0 +1,185 @@
#include "../api.hpp"
#include <interrupts.hpp>
#include <memory.hpp>
#include <task.hpp>
#include <lock.hpp>
#include <printf.h>
#include <cwalk.h>
#include <md5.h>
#include "../../../kernel.h"
#include "../../../DAPI.hpp"
#include "../../../Fex.hpp"
namespace Driver
{
DriverCode Driver::DriverLoadBindPCI(void *DrvExtHdr, uint64_t DriverAddress, uint64_t Size, bool IsElf)
{
for (unsigned long Vidx = 0; Vidx < sizeof(((FexExtended *)DrvExtHdr)->Driver.Bind.PCI.VendorID) / sizeof(((FexExtended *)DrvExtHdr)->Driver.Bind.PCI.VendorID[0]); Vidx++)
for (unsigned long Didx = 0; Didx < sizeof(((FexExtended *)DrvExtHdr)->Driver.Bind.PCI.DeviceID) / sizeof(((FexExtended *)DrvExtHdr)->Driver.Bind.PCI.DeviceID[0]); Didx++)
{
if (Vidx >= sizeof(((FexExtended *)DrvExtHdr)->Driver.Bind.PCI.VendorID) && Didx >= sizeof(((FexExtended *)DrvExtHdr)->Driver.Bind.PCI.DeviceID))
break;
if (((FexExtended *)DrvExtHdr)->Driver.Bind.PCI.VendorID[Vidx] == 0 || ((FexExtended *)DrvExtHdr)->Driver.Bind.PCI.DeviceID[Didx] == 0)
continue;
Vector<PCI::PCIDeviceHeader *> devices = PCIManager->FindPCIDevice(((FexExtended *)DrvExtHdr)->Driver.Bind.PCI.VendorID[Vidx], ((FexExtended *)DrvExtHdr)->Driver.Bind.PCI.DeviceID[Didx]);
if (devices.size() == 0)
continue;
foreach (auto PCIDevice in devices)
{
debug("[%ld] VendorID: %#x; DeviceID: %#x", devices.size(), PCIDevice->VendorID, PCIDevice->DeviceID);
Fex *fex = (Fex *)KernelAllocator.RequestPages(TO_PAGES(Size));
memcpy(fex, (void *)DriverAddress, Size);
FexExtended *fexExtended = (FexExtended *)((uint64_t)fex + EXTENDED_SECTION_ADDRESS);
debug("Driver allocated at %#lx-%#lx", fex, (uint64_t)fex + Size);
#ifdef DEBUG
uint8_t *result = md5File((uint8_t *)fex, Size);
debug("MD5: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
result[0], result[1], result[2], result[3], result[4], result[5], result[6], result[7],
result[8], result[9], result[10], result[11], result[12], result[13], result[14], result[15]);
kfree(result);
#endif
if (CallDriverEntryPoint(fex) != DriverCode::OK)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
return DriverCode::DRIVER_RETURNED_ERROR;
}
debug("Starting driver %s", fexExtended->Driver.Name);
KernelCallback *KCallback = (KernelCallback *)KernelAllocator.RequestPages(TO_PAGES(sizeof(KernelCallback)));
debug("Type: %d; IOBase: %#x; MemoryBase: %#x",
((PCI::PCIHeader0 *)PCIDevice)->BAR0 & 1,
((PCI::PCIHeader0 *)PCIDevice)->BAR1 & (~3),
((PCI::PCIHeader0 *)PCIDevice)->BAR0 & (~15));
if ((((PCI::PCIHeader0 *)PCIDevice)->BAR0 & 1) != 0)
if (!Memory::Virtual().Check((void *)(uint64_t)(((PCI::PCIHeader0 *)PCIDevice)->BAR1 & (~3))))
{
debug("IO base (BAR1 & ~3) is not mapped");
Memory::Virtual().Map((void *)(uint64_t)(((PCI::PCIHeader0 *)PCIDevice)->BAR1 & (~3)), (void *)(uint64_t)(((PCI::PCIHeader0 *)PCIDevice)->BAR1 & (~3)), Memory::PTFlag::RW);
}
if ((((PCI::PCIHeader0 *)PCIDevice)->BAR0 & 1) == 0)
if (!Memory::Virtual().Check((void *)(uint64_t)(((PCI::PCIHeader0 *)PCIDevice)->BAR0 & (~15))))
{
debug("Memory base (BAR0 & ~15) is not mapped");
Memory::Virtual().Map((void *)(uint64_t)(((PCI::PCIHeader0 *)PCIDevice)->BAR0 & (~15)), (void *)(uint64_t)(((PCI::PCIHeader0 *)PCIDevice)->BAR0 & (~15)), Memory::PTFlag::RW);
uint64_t original = ((PCI::PCIHeader0 *)PCIDevice)->BAR0;
((PCI::PCIHeader0 *)PCIDevice)->BAR0 = 0xFFFFFFFF;
uint64_t size = ((PCI::PCIHeader0 *)PCIDevice)->BAR0 & 0xFFFFFFF0;
((PCI::PCIHeader0 *)PCIDevice)->BAR0 = original;
debug("Size: %#lx (%ld pages)", size, TO_PAGES(size));
fixme("TODO: [BUG] Mapping is broken!!!!!!");
}
switch (fexExtended->Driver.Type)
{
case FexDriverType::FexDriverType_Generic:
{
fixme("Generic driver: %s", fexExtended->Driver.Name);
break;
}
case FexDriverType::FexDriverType_Display:
{
fixme("Display driver: %s", fexExtended->Driver.Name);
break;
}
case FexDriverType::FexDriverType_Network:
{
DriverInterruptHook *InterruptHook = new DriverInterruptHook(((int)((PCI::PCIHeader0 *)devices[0])->InterruptLine) + 32, // x86
(void *)((uint64_t)fexExtended->Driver.Callback + (uint64_t)fex),
KCallback);
KCallback->RawPtr = PCIDevice;
KCallback->Reason = CallbackReason::ConfigurationReason;
int CallbackRet = ((int (*)(KernelCallback *))((uint64_t)fexExtended->Driver.Callback + (uint64_t)fex))(KCallback);
if (CallbackRet == DriverReturnCode::NOT_IMPLEMENTED)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
delete InterruptHook;
error("Driver %s does not implement the configuration callback", fexExtended->Driver.Name);
continue;
}
else if (CallbackRet == DriverReturnCode::OK)
trace("Device found for driver: %s", fexExtended->Driver.Name);
else
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
delete InterruptHook;
error("Driver %s returned error %d", fexExtended->Driver.Name, CallbackRet);
continue;
}
memset(KCallback, 0, sizeof(KernelCallback));
KCallback->Reason = CallbackReason::InterruptReason;
DriverFile *DrvFile = new DriverFile;
DrvFile->DriverUID = KAPI.Info.DriverUID;
DrvFile->Address = (void *)fex;
DrvFile->InterruptHook[0] = InterruptHook;
Drivers.push_back(DrvFile);
break;
}
case FexDriverType::FexDriverType_Storage:
{
KCallback->RawPtr = PCIDevice;
KCallback->Reason = CallbackReason::ConfigurationReason;
int CallbackRet = ((int (*)(KernelCallback *))((uint64_t)fexExtended->Driver.Callback + (uint64_t)fex))(KCallback);
if (CallbackRet == DriverReturnCode::NOT_IMPLEMENTED)
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
error("Driver %s does not implement the configuration callback", fexExtended->Driver.Name);
continue;
}
else if (CallbackRet == DriverReturnCode::OK)
trace("Device found for driver: %s", fexExtended->Driver.Name);
else
{
KernelAllocator.FreePages(fex, TO_PAGES(Size));
KernelAllocator.FreePages(KCallback, TO_PAGES(sizeof(KernelCallback)));
error("Driver %s returned error %d", fexExtended->Driver.Name, CallbackRet);
continue;
}
DriverFile *DrvFile = new DriverFile;
DrvFile->DriverUID = KAPI.Info.DriverUID;
DrvFile->Address = (void *)fex;
DrvFile->InterruptHook[0] = nullptr;
Drivers.push_back(DrvFile);
break;
}
case FexDriverType::FexDriverType_FileSystem:
{
fixme("Filesystem driver: %s", fexExtended->Driver.Name);
break;
}
case FexDriverType::FexDriverType_Input:
{
fixme("Input driver: %s", fexExtended->Driver.Name);
break;
}
case FexDriverType::FexDriverType_Audio:
{
fixme("Audio driver: %s", fexExtended->Driver.Name);
break;
}
default:
{
warn("Unknown driver type: %d", fexExtended->Driver.Type);
break;
}
}
}
}
return DriverCode::OK;
}
}

22
Core/Driver/DriverLoading/BindProcess.cpp Normal file
View File

@ -0,0 +1,22 @@
#include "../api.hpp"
#include <interrupts.hpp>
#include <memory.hpp>
#include <task.hpp>
#include <lock.hpp>
#include <printf.h>
#include <cwalk.h>
#include <md5.h>
#include "../../../kernel.h"
#include "../../../DAPI.hpp"
#include "../../../Fex.hpp"
namespace Driver
{
DriverCode Driver::DriverLoadBindProcess(void *DrvExtHdr, uint64_t DriverAddress, uint64_t Size, bool IsElf)
{
fixme("Process driver: %s", ((FexExtended *)DrvExtHdr)->Driver.Name);
return DriverCode::NOT_IMPLEMENTED;
}
}

2
Execute/Spawn.cpp
View File

@ -48,7 +48,7 @@ namespace Execute
Vector<AuxiliaryVector> auxv; // TODO!
TCB *Thread = TaskManager->CreateThread(Process,
(IP)FexHdr->Pointer,
(IP)FexHdr->EntryPoint,
argv, envp, auxv,
(IPOffset)BaseImage,
TaskArchitecture::x64,

5
include/driver.hpp
View File

@ -17,6 +17,7 @@ namespace Driver
INVALID_FEX_HEADER,
INVALID_DRIVER_DATA,
NOT_DRIVER,
NOT_IMPLEMENTED,
DRIVER_RETURNED_ERROR,
UNKNOWN_DRIVER_TYPE,
PCI_DEVICE_NOT_FOUND
@ -55,6 +56,10 @@ namespace Driver
unsigned long DriverUIDs = 0;
DriverCode CallDriverEntryPoint(void *fex);
DriverCode DriverLoadBindPCI(void *DrvExtHdr, uint64_t DriverAddress, uint64_t Size, bool IsElf = false);
DriverCode DriverLoadBindInterrupt(void *DrvExtHdr, uint64_t DriverAddress, uint64_t Size, bool IsElf = false);
DriverCode DriverLoadBindInput(void *DrvExtHdr, uint64_t DriverAddress, uint64_t Size, bool IsElf = false);
DriverCode DriverLoadBindProcess(void *DrvExtHdr, uint64_t DriverAddress, uint64_t Size, bool IsElf = false);
public:
Vector<DriverFile *> GetDrivers() { return Drivers; }