acpi: Clone impl for PlatformInfo and ManagedSlice (#239)

Author: mrjbom

acpi/src/managed_slice.rs

@@ -73,3 +73,11 @@ where
         self.slice
     }
 }
+
+impl<T: Clone, A: Allocator + Clone> Clone for ManagedSlice<'_, T, A> {
+    fn clone(&self) -> Self {
+        let mut new_managed_slice = ManagedSlice::new_in(self.len(), self.allocator.clone()).unwrap();
+        new_managed_slice.clone_from_slice(self);
+        new_managed_slice
+    }
+}

acpi/src/platform/interrupt.rs

@@ -1,7 +1,7 @@
 use crate::ManagedSlice;
 use core::alloc::Allocator;
 
-#[derive(Debug)]
+#[derive(Debug, Clone, Copy)]
 pub struct IoApic {
     pub id: u8,
     /// The physical address at which to access this I/O APIC.
@@ -10,7 +10,7 @@ pub struct IoApic {
     pub global_system_interrupt_base: u32,
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone, Copy)]
 pub struct NmiLine {
     pub processor: NmiProcessor,
     pub line: LocalInterruptLine,
@@ -59,7 +59,7 @@ pub enum TriggerMode {
 /// models. For example, if a device is connected to ISA IRQ 0 and IOAPIC input 2, an override will
 /// appear mapping source 0 to GSI 2. Currently these will only be created for ISA interrupt
 /// sources.
-#[derive(Debug)]
+#[derive(Debug, Clone, Copy)]
 pub struct InterruptSourceOverride {
     pub isa_source: u8,
     pub global_system_interrupt: u32,
@@ -69,14 +69,14 @@ pub struct InterruptSourceOverride {
 
 /// Describes a Global System Interrupt that should be enabled as non-maskable. Any source that is
 /// non-maskable can not be used by devices.
-#[derive(Debug)]
+#[derive(Debug, Clone, Copy)]
 pub struct NmiSource {
     pub global_system_interrupt: u32,
     pub polarity: Polarity,
     pub trigger_mode: TriggerMode,
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct Apic<'a, A>
 where
     A: Allocator,
@@ -116,7 +116,7 @@ where
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 #[non_exhaustive]
 pub enum InterruptModel<'a, A>
 where

acpi/src/platform/mod.rs

@@ -45,7 +45,7 @@ pub struct Processor {
     pub is_ap: bool,
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct ProcessorInfo<'a, A>
 where
     A: Allocator,
@@ -65,7 +65,7 @@ where
 }
 
 /// Information about the ACPI Power Management Timer (ACPI PM Timer).
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct PmTimer {
     /// A generic address to the register block of ACPI PM Timer.
     pub base: GenericAddress,
@@ -85,7 +85,7 @@ impl PmTimer {
 /// `PlatformInfo` allows the collection of some basic information about the platform from some of the fixed-size
 /// tables in a nice way. It requires access to the `FADT` and `MADT`. It is the easiest way to get information
 /// about the processors and interrupt controllers on a platform.
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct PlatformInfo<'a, A>
 where
     A: Allocator,