diff options
Diffstat (limited to 'arch/x86_64/kapi/platform.cpp')
| -rw-r--r-- | arch/x86_64/kapi/platform.cpp | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/arch/x86_64/kapi/platform.cpp b/arch/x86_64/kapi/platform.cpp deleted file mode 100644 index fb27329..0000000 --- a/arch/x86_64/kapi/platform.cpp +++ /dev/null @@ -1,62 +0,0 @@ -#include "kapi/platform.hpp" - -#include "kapi/acpi.hpp" -#include "kapi/devices.hpp" - -#include "arch/devices/local_apic.hpp" - -#include <kstd/memory> -#include <kstd/print> - -#include <ranges> -#include <utility> - -namespace kapi::platform -{ - namespace - { - constexpr auto candidate_flags = acpi::processor_local_apic::flags::processor_enabled // - | acpi::processor_local_apic::flags::online_capable; - } - - auto discover_cpu_topology(kapi::devices::bus & bus) -> bool - { - auto static const core_major = kapi::devices::allocate_major_number(); - auto static const interrupt_controller_major = kapi::devices::allocate_major_number(); - - auto madt = kapi::acpi::get_table<acpi::madt_table_signature>(); - if (!madt) - { - kstd::println("[x86_64:PLT] Failed to find ACPI APIC table"); - return false; - } - - auto bsp_found = false; - auto core_count = 0uz; - auto local_apic_address = madt->local_interrupt_controller_address(); - - auto lapic_entries = *madt | std::views::filter([](auto const & entry) { - return entry.type() == acpi::multiple_apic_description_table_entry::types::processor_local_apic; - }) | std::views::transform([](auto const & entry) { - return static_cast<acpi::processor_local_apic const &>(entry); - }) | std::views::filter([](auto const & entry) { - return static_cast<bool>(entry.active_flags() & candidate_flags); - }); - - for (auto const & apic : lapic_entries) - { - auto is_bsp = !bsp_found; - bsp_found = true; - auto instance = kstd::make_unique<arch::devices::local_apic>(interrupt_controller_major, core_count, - apic.apic_id(), local_apic_address, is_bsp); - if (kapi::platform::cpu_detected(bus, core_major, core_count, apic.processor_id(), is_bsp, std::move(instance))) - { - ++core_count; - } - } - - kstd::println("[x86_64:PLT] Found {} CPU cores", core_count); - return core_count > 0; - } - -} // namespace kapi::platform |
