From cb60cdebdc36dd2358fe1ce06eec197e213af491 Mon Sep 17 00:00:00 2001 From: Felix Morgner Date: Tue, 24 Mar 2026 17:35:54 +0100 Subject: kapi/cpu: introduce CPU API --- kernel/kapi/cpu.cpp | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 kernel/kapi/cpu.cpp (limited to 'kernel/kapi/cpu.cpp') diff --git a/kernel/kapi/cpu.cpp b/kernel/kapi/cpu.cpp new file mode 100644 index 0000000..2089098 --- /dev/null +++ b/kernel/kapi/cpu.cpp @@ -0,0 +1,30 @@ +#include "kapi/cpu.hpp" + +namespace kapi::cpu +{ + + namespace + { + struct null_exception_handler : exception_handler + { + auto handle(exception const &) -> bool override + { + return false; + } + } static constinit default_exception_handler; + + exception_handler * current_handler = &default_exception_handler; + + } // namespace + + auto get_exception_handler() -> exception_handler & + { + return *current_handler; + } + + auto set_exception_handler(exception_handler & handler) -> void + { + current_handler = &handler; + } + +} // namespace kapi::cpu \ No newline at end of file -- cgit v1.2.3 From 8d06763f47e7b7c93af2a55f6bd2dbc4aa9abfa2 Mon Sep 17 00:00:00 2001 From: Felix Morgner Date: Thu, 26 Mar 2026 16:10:50 +0100 Subject: kapi/cpu: simplify exception handling --- kernel/kapi/cpu.cpp | 35 ++++++++++++++++++++--------------- 1 file changed, 20 insertions(+), 15 deletions(-) (limited to 'kernel/kapi/cpu.cpp') diff --git a/kernel/kapi/cpu.cpp b/kernel/kapi/cpu.cpp index 2089098..13de584 100644 --- a/kernel/kapi/cpu.cpp +++ b/kernel/kapi/cpu.cpp @@ -1,30 +1,35 @@ #include "kapi/cpu.hpp" +#include "kapi/system.hpp" + +#include + namespace kapi::cpu { namespace { - struct null_exception_handler : exception_handler + auto handle_page_fault(kapi::cpu::exception const & context) -> bool { - auto handle(exception const &) -> bool override - { - return false; - } - } static constinit default_exception_handler; - - exception_handler * current_handler = &default_exception_handler; + kstd::println(kstd::print_sink::stderr, "\tFault address: {:#018x}", context.access_address); + kstd::println(kstd::print_sink::stderr, "\tPresent: {}", context.is_present); + kstd::println(kstd::print_sink::stderr, "\tWrite: {}", context.is_write_access); + kstd::println(kstd::print_sink::stderr, "\tUser: {}", context.is_user_mode); + kapi::system::panic("Halting the system due to an unrecoverable page fault."); + } } // namespace - auto get_exception_handler() -> exception_handler & + auto dispatch(exception const & context) -> bool { - return *current_handler; - } - - auto set_exception_handler(exception_handler & handler) -> void - { - current_handler = &handler; + kstd::println(kstd::print_sink::stderr, "[OS:CPU] {} @ {:#018x}", context.type, context.instruction_pointer); + switch (context.type) + { + case kapi::cpu::exception::type::page_fault: + return handle_page_fault(context); + default: + return false; + } } } // namespace kapi::cpu \ No newline at end of file -- cgit v1.2.3 From 3ad230fab8dc17758559aac3c20ba67a8c619878 Mon Sep 17 00:00:00 2001 From: Felix Morgner Date: Fri, 10 Apr 2026 09:01:59 +0200 Subject: kapi: move platform functions to CPU --- kernel/kapi/cpu.cpp | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'kernel/kapi/cpu.cpp') diff --git a/kernel/kapi/cpu.cpp b/kernel/kapi/cpu.cpp index 13de584..d632628 100644 --- a/kernel/kapi/cpu.cpp +++ b/kernel/kapi/cpu.cpp @@ -1,9 +1,17 @@ #include "kapi/cpu.hpp" +#include "kapi/devices.hpp" #include "kapi/system.hpp" +#include "kernel/devices/cpu.hpp" + +#include #include +#include +#include +#include + namespace kapi::cpu { @@ -32,4 +40,15 @@ namespace kapi::cpu } } + auto core_detected(kapi::devices::bus & bus, std::size_t major, std::size_t minor, std::uint64_t hardware_id, + bool is_bsp, kstd::unique_ptr core_interrupt_controller) -> bool + { + auto core = kstd::make_unique(major, minor, hardware_id, is_bsp); + + core->add_child(std::move(core_interrupt_controller)); + bus.add_child(std::move(core)); + + return true; + } + } // namespace kapi::cpu \ No newline at end of file -- cgit v1.2.3 From dd8dfa3e674d05927e9ed4b7efcb634a634bfdcc Mon Sep 17 00:00:00 2001 From: Felix Morgner Date: Fri, 10 Apr 2026 10:30:32 +0200 Subject: kapi: move CPU to kapi --- kernel/kapi/cpu.cpp | 19 ------------------- 1 file changed, 19 deletions(-) (limited to 'kernel/kapi/cpu.cpp') diff --git a/kernel/kapi/cpu.cpp b/kernel/kapi/cpu.cpp index d632628..13de584 100644 --- a/kernel/kapi/cpu.cpp +++ b/kernel/kapi/cpu.cpp @@ -1,17 +1,9 @@ #include "kapi/cpu.hpp" -#include "kapi/devices.hpp" #include "kapi/system.hpp" -#include "kernel/devices/cpu.hpp" - -#include #include -#include -#include -#include - namespace kapi::cpu { @@ -40,15 +32,4 @@ namespace kapi::cpu } } - auto core_detected(kapi::devices::bus & bus, std::size_t major, std::size_t minor, std::uint64_t hardware_id, - bool is_bsp, kstd::unique_ptr core_interrupt_controller) -> bool - { - auto core = kstd::make_unique(major, minor, hardware_id, is_bsp); - - core->add_child(std::move(core_interrupt_controller)); - bus.add_child(std::move(core)); - - return true; - } - } // namespace kapi::cpu \ No newline at end of file -- cgit v1.2.3 From f6f10575f75ac23d06e1d94f7861611503daa7af Mon Sep 17 00:00:00 2001 From: Felix Morgner Date: Thu, 23 Apr 2026 14:03:28 +0200 Subject: chore: banish relative includes --- kernel/kapi/cpu.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'kernel/kapi/cpu.cpp') diff --git a/kernel/kapi/cpu.cpp b/kernel/kapi/cpu.cpp index 13de584..7b1a43b 100644 --- a/kernel/kapi/cpu.cpp +++ b/kernel/kapi/cpu.cpp @@ -1,6 +1,6 @@ -#include "kapi/cpu.hpp" +#include -#include "kapi/system.hpp" +#include #include -- cgit v1.2.3