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feat(kernel/driver): implement built-in driver support

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Signed-off-by: EnderIce2 <enderice2@protonmail.com>
This commit is contained in:
EnderIce2
2025-03-02 21:34:16 +00:00
parent 426499090e
commit f824df9aad
12 changed files with 200 additions and 30 deletions
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48
Kernel/core/driver/driver.cpp
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@ -37,6 +37,36 @@ namespace Driver
void Manager::PreloadDrivers()
{
debug("Initializing driver manager");
auto &bs = __kernel_builtin_drivers_start;
auto &be = __kernel_builtin_drivers_end;
for (const BuiltInDriver *drv = bs; drv < be; ++drv)
{
debug("Loading built-in driver %s", drv->Name);
DriverObject drvObj = {};
strncpy(drvObj.Name, drv->Name, sizeof(drvObj.Name));
strncpy(drvObj.Description, drv->Description, sizeof(drvObj.Description));
strncpy(drvObj.Author, drv->Author, sizeof(drvObj.Author));
drvObj.Version.Major = drv->Version.Major;
drvObj.Version.Minor = drv->Version.Minor;
drvObj.Version.Patch = drv->Version.Patch;
drvObj.Entry = drv->Entry;
drvObj.Final = drv->Final;
drvObj.Panic = drv->Panic;
drvObj.Probe = drv->Probe;
drvObj.IsBuiltIn = true;
drvObj.BaseAddress = 0;
drvObj.EntryPoint = drv->EntryPoint;
drvObj.vma = new Memory::VirtualMemoryArea(thisProcess->PageTable);
drvObj.Path = "<builtin>";
drvObj.InterruptHandlers = new std::unordered_map<uint8_t, void *>();
drvObj.DeviceOperations = new std::unordered_map<dev_t, DriverHandlers>();
drvObj.ID = DriverIDCounter;
Drivers.insert({DriverIDCounter++, drvObj});
}
const char *DriverDirectory = Config.DriverDirectory;
FileNode *drvDirNode = fs->GetByPath(DriverDirectory, nullptr);
if (!drvDirNode)
@ -58,13 +88,15 @@ namespace Driver
continue;
}
DriverObject drvObj = {.BaseAddress = 0,
.EntryPoint = 0,
.vma = new Memory::VirtualMemoryArea(thisProcess->PageTable),
.Path = drvNode->Path,
.InterruptHandlers = new std::unordered_map<uint8_t, void *>(),
.DeviceOperations = new std::unordered_map<dev_t, DriverHandlers>(),
.ID = DriverIDCounter};
DriverObject drvObj = {};
drvObj.IsBuiltIn = false;
drvObj.BaseAddress = 0;
drvObj.EntryPoint = 0;
drvObj.vma = new Memory::VirtualMemoryArea(thisProcess->PageTable);
drvObj.Path = drvNode->Path;
drvObj.InterruptHandlers = new std::unordered_map<uint8_t, void *>();
drvObj.DeviceOperations = new std::unordered_map<dev_t, DriverHandlers>();
drvObj.ID = DriverIDCounter;
int err = this->LoadDriverFile(drvObj, drvNode);
debug("err = %d (%s)", err, strerror(err));
@ -111,7 +143,7 @@ namespace Driver
continue;
}
KPrint("Loading driver %s", Drv.Name);
KPrint("Loading driver %s (%d)", Drv.Name, Drv.ID);
debug("Calling Probe()=%#lx on driver %s",
Drv.Probe, Drv.Path.c_str());