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#include "kernel/devices/root_bus.hpp"
#include "kapi/devices.hpp"
#include "kapi/devices/bus.hpp"
#include "kapi/devices/device.hpp"
#include "kapi/system.hpp"
#include <kstd/memory>
#include <kstd/print>
#include <kstd/vector>
#include <algorithm>
#include <utility>
namespace kernel::devices
{
root_bus::root_bus()
: kapi::devices::bus{kapi::devices::allocate_major_number(), 0, "system"}
{}
auto root_bus::add_child(kstd::unique_ptr<device> child) -> void
{
auto observer = m_observers.emplace_back(child.get());
m_children.push_back(std::move(child));
if (m_initialized)
{
kstd::println("Initializing child device '{}'", observer->name());
if (!observer->init())
{
kapi::system::panic("[kernel:devices] Failed to initialize child device");
}
}
}
auto root_bus::children() const -> kstd::vector<kstd::observer_ptr<device>> const &
{
return m_observers;
}
auto root_bus::init() -> bool
{
if (m_initialized)
{
kapi::system::panic("[kernel:devices] Root bus already initialized!");
}
return std::ranges::fold_left(m_children, true, [](bool acc, auto & child) -> bool {
kstd::println("[kernel:devices] Initializing child device '{}'", child->name());
return acc && child->init();
});
}
} // namespace kernel::devices
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