dev: rework device management (&'static -> Arc)

kernel/arch/x86_64/src/lib.rs

@@ -9,7 +9,7 @@ use core::{
     sync::atomic::{AtomicUsize, Ordering},
 };
 
-use alloc::vec::Vec;
+use alloc::{boxed::Box, vec::Vec};
 use device_api::interrupt::{LocalInterruptController, MessageInterruptController};
 use kernel_arch_interface::{
     cpu::{CpuImpl, IpiQueue},
@@ -52,14 +52,16 @@ pub struct PerCpuData {
     // 0x10, used in assembly
     pub tmp_address: usize,
 
-    pub local_apic: &'static dyn LocalApicInterface,
+    pub local_apic: Box<dyn LocalApicInterface>,
+    // pub local_apic: &'static dyn LocalApicInterface,
     pub available_features: CpuFeatures,
     pub enabled_features: CpuFeatures,
 }
 
 impl PerCpuData {
-    pub fn local_apic(&self) -> &'static dyn LocalApicInterface {
-        self.local_apic
+    #[inline]
+    pub fn local_apic(&self) -> &dyn LocalApicInterface {
+        self.local_apic.as_ref()
     }
 }
 
@@ -182,12 +184,12 @@ impl Architecture for ArchitectureImpl {
 
     fn local_interrupt_controller() -> Option<&'static dyn LocalInterruptController> {
         let cpu = Self::local_cpu_data()?;
-        Some(cpu.local_apic)
+        Some(cpu.local_apic.as_ref())
     }
 
-    fn message_interrupt_controller() -> &'static dyn MessageInterruptController {
-        let local = Self::local_cpu_data().unwrap();
-        local.local_apic
+    fn message_interrupt_controller() -> Option<&'static dyn MessageInterruptController> {
+        let cpu = Self::local_cpu_data()?;
+        Some(cpu.local_apic.as_ref())
     }
 
     fn cpu_enabled_features<S: Scheduler>(cpu: &CpuImpl<Self, S>) -> Option<&Self::CpuFeatures> {

kernel/arch/x86_64/src/mem/mod.rs

@@ -56,7 +56,7 @@ split_spinlock! {
     use libk_mm_interface::KernelImageObject;
 
     #[link_section = ".data.tables"]
-    static KERNEL_TABLES<lock: ArchitectureImpl>: KernelImageObject<FixedTables> =
+    static KERNEL_TABLES @ inner<lock: ArchitectureImpl>: KernelImageObject<FixedTables> =
         unsafe { KernelImageObject::new(FixedTables::zeroed()) };
 }