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69bfc7d9edb82dd287ac80fa868c7818436cbe13
Kernel/Core/Driver/DriverLoading/BindInterrupt.cpp
Alex b4dbf2c281 QoL and bug fixes
2023-04-10 03:11:46 +03:00

505 lines
19 KiB
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/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#include "../api.hpp"
#include <ints.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::BindInterruptGeneric(Memory::MemMgr *mem, void *fex)
{
FexExtended *fexExtended = (FexExtended *)((uintptr_t)fex + EXTENDED_SECTION_ADDRESS);
if (fexExtended->Driver.OverrideOnConflict)
{
std::vector<uint64_t> DriversToRemove = std::vector<uint64_t>();
foreach (auto Drv in Drivers)
{
FexExtended *fe = ((FexExtended *)((uintptr_t)Drv.Address + EXTENDED_SECTION_ADDRESS));
if (fe->Driver.OverrideOnConflict)
{
debug("Driver %s is conflicting with %s", fe->Driver.Name, fexExtended->Driver.Name);
return DriverCode::DRIVER_CONFLICT;
}
DriversToRemove.push_back(Drv.DriverUID);
}
foreach (auto DrvID in DriversToRemove)
{
if (!this->UnloadDriver(DrvID))
{
error("Failed to unload conflicting driver %d", DrvID);
return DriverCode::DRIVER_CONFLICT;
}
}
}
else
{
foreach (auto Drv in Drivers)
{
FexExtended *fe = ((FexExtended *)((uintptr_t)Drv.Address + EXTENDED_SECTION_ADDRESS));
if (fe->Driver.OverrideOnConflict)
{
debug("Driver %s is conflicting with %s", fe->Driver.Name, fexExtended->Driver.Name);
return DriverCode::DRIVER_CONFLICT;
}
}
}
fixme("Generic driver: %s", fexExtended->Driver.Name);
DriverFile DrvFile = {
.Enabled = true,
.DriverUID = this->DriverUIDs - 1,
.Address = (void *)fex,
.InterruptCallback = (void *)((uintptr_t)fex + (uintptr_t)fexExtended->Driver.InterruptCallback),
.MemTrk = mem,
};
Drivers.push_back(DrvFile);
return DriverCode::OK;
}
DriverCode Driver::BindInterruptDisplay(Memory::MemMgr *mem, void *fex)
{
FexExtended *fexExtended = (FexExtended *)((uintptr_t)fex + EXTENDED_SECTION_ADDRESS);
if (fexExtended->Driver.OverrideOnConflict)
{
std::vector<uint64_t> DriversToRemove = std::vector<uint64_t>();
foreach (auto Drv in Drivers)
{
FexExtended *fe = ((FexExtended *)((uintptr_t)Drv.Address + EXTENDED_SECTION_ADDRESS));
if (fe->Driver.OverrideOnConflict)
{
debug("Driver %s is conflicting with %s", fe->Driver.Name, fexExtended->Driver.Name);
return DriverCode::DRIVER_CONFLICT;
}
DriversToRemove.push_back(Drv.DriverUID);
}
foreach (auto DrvID in DriversToRemove)
{
if (!this->UnloadDriver(DrvID))
{
error("Failed to unload conflicting driver %d", DrvID);
return DriverCode::DRIVER_CONFLICT;
}
}
}
else
{
foreach (auto Drv in Drivers)
{
FexExtended *fe = ((FexExtended *)((uintptr_t)Drv.Address + EXTENDED_SECTION_ADDRESS));
if (fe->Driver.OverrideOnConflict)
{
debug("Driver %s is conflicting with %s", fe->Driver.Name, fexExtended->Driver.Name);
return DriverCode::DRIVER_CONFLICT;
}
}
}
fixme("Display driver: %s", fexExtended->Driver.Name);
delete mem, mem = nullptr;
return DriverCode::NOT_IMPLEMENTED;
}
DriverCode Driver::BindInterruptNetwork(Memory::MemMgr *mem, void *fex)
{
FexExtended *fexExtended = (FexExtended *)((uintptr_t)fex + EXTENDED_SECTION_ADDRESS);
if (fexExtended->Driver.OverrideOnConflict)
{
std::vector<uint64_t> DriversToRemove = std::vector<uint64_t>();
foreach (auto Drv in Drivers)
{
FexExtended *fe = ((FexExtended *)((uintptr_t)Drv.Address + EXTENDED_SECTION_ADDRESS));
if (fe->Driver.OverrideOnConflict)
{
debug("Driver %s is conflicting with %s", fe->Driver.Name, fexExtended->Driver.Name);
return DriverCode::DRIVER_CONFLICT;
}
DriversToRemove.push_back(Drv.DriverUID);
}
foreach (auto DrvID in DriversToRemove)
{
if (!this->UnloadDriver(DrvID))
{
error("Failed to unload conflicting driver %d", DrvID);
return DriverCode::DRIVER_CONFLICT;
}
}
}
else
{
foreach (auto Drv in Drivers)
{
FexExtended *fe = ((FexExtended *)((uintptr_t)Drv.Address + EXTENDED_SECTION_ADDRESS));
if (fe->Driver.OverrideOnConflict)
{
debug("Driver %s is conflicting with %s", fe->Driver.Name, fexExtended->Driver.Name);
return DriverCode::DRIVER_CONFLICT;
}
}
}
fixme("Network driver: %s", fexExtended->Driver.Name);
delete mem, mem = nullptr;
return DriverCode::NOT_IMPLEMENTED;
}
DriverCode Driver::BindInterruptStorage(Memory::MemMgr *mem, void *fex)
{
return DriverCode::NOT_IMPLEMENTED; // FIXME
FexExtended *fexExtended = (FexExtended *)((uintptr_t)fex + EXTENDED_SECTION_ADDRESS);
if (fexExtended->Driver.OverrideOnConflict)
{
std::vector<uint64_t> DriversToRemove = std::vector<uint64_t>();
foreach (auto Drv in Drivers)
{
FexExtended *fe = ((FexExtended *)((uintptr_t)Drv.Address + EXTENDED_SECTION_ADDRESS));
if (fe->Driver.OverrideOnConflict)
{
debug("Driver %s is conflicting with %s", fe->Driver.Name, fexExtended->Driver.Name);
return DriverCode::DRIVER_CONFLICT;
}
DriversToRemove.push_back(Drv.DriverUID);
}
foreach (auto DrvID in DriversToRemove)
{
if (!this->UnloadDriver(DrvID))
{
error("Failed to unload conflicting driver %d", DrvID);
return DriverCode::DRIVER_CONFLICT;
}
}
}
else
{
foreach (auto Drv in Drivers)
{
FexExtended *fe = ((FexExtended *)((uintptr_t)Drv.Address + EXTENDED_SECTION_ADDRESS));
if (fe->Driver.OverrideOnConflict)
{
debug("Driver %s is conflicting with %s", fe->Driver.Name, fexExtended->Driver.Name);
return DriverCode::DRIVER_CONFLICT;
}
}
}
DriverFile DrvFile = {
.Enabled = true,
.DriverUID = this->DriverUIDs - 1,
.Address = (void *)fex,
.InterruptCallback = (void *)((uintptr_t)fex + (uintptr_t)fexExtended->Driver.InterruptCallback),
.MemTrk = mem,
};
if (fexExtended->Driver.InterruptCallback)
{
for (unsigned long i = 0; i < sizeof(fexExtended->Driver.Bind.Interrupt.Vector) / sizeof(fexExtended->Driver.Bind.Interrupt.Vector[0]); i++)
{
if (fexExtended->Driver.Bind.Interrupt.Vector[i] == 0)
break;
DrvFile.InterruptHook[i] = new DriverInterruptHook(fexExtended->Driver.Bind.Interrupt.Vector[i], DrvFile);
}
}
KernelCallback KCallback = {.raw = 0};
KCallback.RawPtr = nullptr;
KCallback.Reason = CallbackReason::ConfigurationReason;
int CallbackRet = ((int (*)(KernelCallback *))((uintptr_t)fexExtended->Driver.Callback + (uintptr_t)fex))(&KCallback);
if (CallbackRet == DriverReturnCode::NOT_IMPLEMENTED)
{
error("Driver %s is not implemented", fexExtended->Driver.Name);
delete mem, mem = nullptr;
return DriverCode::NOT_IMPLEMENTED;
}
else if (CallbackRet != DriverReturnCode::OK)
{
error("Driver %s returned error %d", fexExtended->Driver.Name, CallbackRet);
delete mem, mem = nullptr;
return DriverCode::DRIVER_RETURNED_ERROR;
}
Drivers.push_back(DrvFile);
return DriverCode::OK;
}
DriverCode Driver::BindInterruptFileSystem(Memory::MemMgr *mem, void *fex)
{
FexExtended *fexExtended = (FexExtended *)((uintptr_t)fex + EXTENDED_SECTION_ADDRESS);
if (fexExtended->Driver.OverrideOnConflict)
{
std::vector<uint64_t> DriversToRemove = std::vector<uint64_t>();
foreach (auto Drv in Drivers)
{
FexExtended *fe = ((FexExtended *)((uintptr_t)Drv.Address + EXTENDED_SECTION_ADDRESS));
if (fe->Driver.OverrideOnConflict)
{
debug("Driver %s is conflicting with %s", fe->Driver.Name, fexExtended->Driver.Name);
return DriverCode::DRIVER_CONFLICT;
}
DriversToRemove.push_back(Drv.DriverUID);
}
foreach (auto DrvID in DriversToRemove)
{
if (!this->UnloadDriver(DrvID))
{
error("Failed to unload conflicting driver %d", DrvID);
return DriverCode::DRIVER_CONFLICT;
}
}
}
else
{
foreach (auto Drv in Drivers)
{
FexExtended *fe = ((FexExtended *)((uintptr_t)Drv.Address + EXTENDED_SECTION_ADDRESS));
if (fe->Driver.OverrideOnConflict)
{
debug("Driver %s is conflicting with %s", fe->Driver.Name, fexExtended->Driver.Name);
return DriverCode::DRIVER_CONFLICT;
}
}
}
fixme("Filesystem driver: %s", fexExtended->Driver.Name);
delete mem, mem = nullptr;
return DriverCode::NOT_IMPLEMENTED;
}
DriverCode Driver::BindInterruptInput(Memory::MemMgr *mem, void *fex)
{
FexExtended *fexExtended = (FexExtended *)((uintptr_t)fex + EXTENDED_SECTION_ADDRESS);
debug("Searching for conflicting drivers...");
if (fexExtended->Driver.OverrideOnConflict)
{
std::vector<uint64_t> DriversToRemove = std::vector<uint64_t>();
foreach (auto Drv in Drivers)
{
FexExtended *fe = ((FexExtended *)((uintptr_t)Drv.Address + EXTENDED_SECTION_ADDRESS));
if ((fe->Driver.TypeFlags & FexDriverInputTypes_Mouse &&
fexExtended->Driver.TypeFlags & FexDriverInputTypes_Mouse) ||
(fe->Driver.TypeFlags & FexDriverInputTypes_Keyboard &&
fexExtended->Driver.TypeFlags & FexDriverInputTypes_Keyboard))
{
debug("Driver %s is conflicting with %s", fe->Driver.Name, fexExtended->Driver.Name);
if (fe->Driver.OverrideOnConflict)
return DriverCode::DRIVER_CONFLICT;
DriversToRemove.push_back(Drv.DriverUID);
}
}
foreach (auto DrvID in DriversToRemove)
{
if (!this->UnloadDriver(DrvID))
{
error("Failed to unload conflicting driver %d", DrvID);
return DriverCode::DRIVER_CONFLICT;
}
}
}
else
{
foreach (auto Drv in Drivers)
{
FexExtended *fe = ((FexExtended *)((uintptr_t)Drv.Address + EXTENDED_SECTION_ADDRESS));
if ((fe->Driver.TypeFlags & FexDriverInputTypes_Mouse &&
fexExtended->Driver.TypeFlags & FexDriverInputTypes_Mouse) ||
(fe->Driver.TypeFlags & FexDriverInputTypes_Keyboard &&
fexExtended->Driver.TypeFlags & FexDriverInputTypes_Keyboard))
{
debug("Driver %s is conflicting with %s", fe->Driver.Name, fexExtended->Driver.Name);
if (fe->Driver.OverrideOnConflict)
return DriverCode::DRIVER_CONFLICT;
}
}
}
DriverFile DrvFile = {
.Enabled = true,
.DriverUID = this->DriverUIDs - 1,
.Address = (void *)fex,
.InterruptCallback = (void *)((uintptr_t)fex + (uintptr_t)fexExtended->Driver.InterruptCallback),
.MemTrk = mem,
};
if (fexExtended->Driver.InterruptCallback)
{
for (unsigned long i = 0; i < sizeof(fexExtended->Driver.Bind.Interrupt.Vector) / sizeof(fexExtended->Driver.Bind.Interrupt.Vector[0]); i++)
{
if (fexExtended->Driver.Bind.Interrupt.Vector[i] == 0)
break;
DrvFile.InterruptHook[i] = new DriverInterruptHook(fexExtended->Driver.Bind.Interrupt.Vector[i], DrvFile);
}
}
KernelCallback KCallback = {.raw = 0};
KCallback.RawPtr = nullptr;
KCallback.Reason = CallbackReason::ConfigurationReason;
int CallbackRet = ((int (*)(KernelCallback *))((uintptr_t)fexExtended->Driver.Callback + (uintptr_t)fex))(&KCallback);
if (CallbackRet == DriverReturnCode::NOT_IMPLEMENTED)
{
error("Driver %s is not implemented", fexExtended->Driver.Name);
delete mem, mem = nullptr;
return DriverCode::NOT_IMPLEMENTED;
}
else if (CallbackRet != DriverReturnCode::OK)
{
error("Driver %s returned error %d", fexExtended->Driver.Name, CallbackRet);
delete mem, mem = nullptr;
return DriverCode::DRIVER_RETURNED_ERROR;
}
Drivers.push_back(DrvFile);
return DriverCode::OK;
}
DriverCode Driver::BindInterruptAudio(Memory::MemMgr *mem, void *fex)
{
FexExtended *fexExtended = (FexExtended *)((uintptr_t)fex + EXTENDED_SECTION_ADDRESS);
if (fexExtended->Driver.OverrideOnConflict)
{
std::vector<uint64_t> DriversToRemove = std::vector<uint64_t>();
foreach (auto Drv in Drivers)
{
FexExtended *fe = ((FexExtended *)((uintptr_t)Drv.Address + EXTENDED_SECTION_ADDRESS));
if (fe->Driver.OverrideOnConflict)
{
debug("Driver %s is conflicting with %s", fe->Driver.Name, fexExtended->Driver.Name);
return DriverCode::DRIVER_CONFLICT;
}
DriversToRemove.push_back(Drv.DriverUID);
}
foreach (auto DrvID in DriversToRemove)
{
if (!this->UnloadDriver(DrvID))
{
error("Failed to unload conflicting driver %d", DrvID);
return DriverCode::DRIVER_CONFLICT;
}
}
}
else
{
foreach (auto Drv in Drivers)
{
FexExtended *fe = ((FexExtended *)((uintptr_t)Drv.Address + EXTENDED_SECTION_ADDRESS));
if (fe->Driver.OverrideOnConflict)
{
debug("Driver %s is conflicting with %s", fe->Driver.Name, fexExtended->Driver.Name);
return DriverCode::DRIVER_CONFLICT;
}
}
}
fixme("Audio driver: %s", fexExtended->Driver.Name);
delete mem, mem = nullptr;
return DriverCode::NOT_IMPLEMENTED;
}
DriverCode Driver::DriverLoadBindInterrupt(void *DrvExtHdr, uintptr_t DriverAddress, size_t Size, bool IsElf)
{
UNUSED(IsElf);
Memory::MemMgr *mem = new Memory::MemMgr(nullptr, TaskManager->GetCurrentProcess()->memDirectory);
Fex *fex = (Fex *)mem->RequestPages(TO_PAGES(Size + 1));
memcpy(fex, (void *)DriverAddress, Size);
FexExtended *fexExtended = (FexExtended *)((uintptr_t)fex + EXTENDED_SECTION_ADDRESS);
debug("Driver allocated at %#lx-%#lx", fex, (uintptr_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
KernelAPI *KAPI = (KernelAPI *)mem->RequestPages(TO_PAGES(sizeof(KernelAPI) + 1));
if (CallDriverEntryPoint(fex, KAPI) != DriverCode::OK)
{
delete mem, mem = nullptr;
return DriverCode::DRIVER_RETURNED_ERROR;
}
debug("Starting driver %s (offset: %#lx)", fexExtended->Driver.Name, fex);
switch (fexExtended->Driver.Type)
{
case FexDriverType::FexDriverType_Generic:
return BindInterruptGeneric(mem, fex);
case FexDriverType::FexDriverType_Display:
return BindInterruptDisplay(mem, fex);
case FexDriverType::FexDriverType_Network:
return BindInterruptNetwork(mem, fex);
case FexDriverType::FexDriverType_Storage:
return BindInterruptStorage(mem, fex);
case FexDriverType::FexDriverType_FileSystem:
return BindInterruptFileSystem(mem, fex);
case FexDriverType::FexDriverType_Input:
return BindInterruptInput(mem, fex);
case FexDriverType::FexDriverType_Audio:
return BindInterruptAudio(mem, fex);
default:
{
warn("Unknown driver type: %d", fexExtended->Driver.Type);
delete mem, mem = nullptr;
return DriverCode::UNKNOWN_DRIVER_TYPE;
}
}
return DriverCode::OK;
}
}
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