Fix the bug in RxsdtIter that caused u32 pointers to be used regardless of ACPI table kind

src/acpi/rsdt.rs

@@ -2,7 +2,7 @@ use alloc::boxed::Box;
 use core::convert::TryFrom;
 use rmm::PhysicalAddress;
 
-use crate::acpi::rxsdt::RxsdtIter;
+use crate::acpi::{RxsdtEnum, rxsdt::RxsdtIter};
 
 use super::{rxsdt::Rxsdt, sdt::Sdt};
 
@@ -27,6 +27,6 @@ impl Rsdt {
 
 impl Rxsdt for Rsdt {
     fn iter(&self) -> RxsdtIter {
-        RxsdtIter { sdt: self.0, i: 0 }
+        RxsdtIter { sdt: self.0, i: 0 , rxsdt_enum: RxsdtEnum::Rsdt(Rsdt(self.0))}
     }
 }

src/acpi/rxsdt.rs

@@ -1,7 +1,7 @@
 use alloc::boxed::Box;
 use rmm::PhysicalAddress;
 
-use crate::acpi::sdt::Sdt;
+use crate::acpi::{RxsdtEnum, sdt::Sdt};
 
 pub trait Rxsdt {
     fn iter(&self) -> RxsdtIter;
@@ -10,6 +10,7 @@ pub trait Rxsdt {
 pub struct RxsdtIter {
     pub sdt: &'static Sdt,
     pub i: usize,
+    pub rxsdt_enum: RxsdtEnum,
 }
 
 impl Iterator for RxsdtIter {
@@ -17,10 +18,13 @@ impl Iterator for RxsdtIter {
     fn next(&mut self) -> Option<Self::Item> {
         if self.i < self.sdt.data_len() / size_of::<u64>() {
             let item = unsafe {
-                core::ptr::read_unaligned((self.sdt.data_address() as *const u64).add(self.i))
+                match self.rxsdt_enum{
+                    RxsdtEnum::Rsdt(_) => PhysicalAddress::new(core::ptr::read_unaligned((self.sdt.data_address() as *const u32).add(self.i)) as usize),
+                    RxsdtEnum::Xsdt(_) => PhysicalAddress::new(core::ptr::read_unaligned((self.sdt.data_address() as *const u64).add(self.i)) as usize),
+                } 
             };
             self.i += 1;
-            Some(PhysicalAddress::new(item as usize))
+            Some(item)
         } else {
             None
         }

src/acpi/xsdt.rs

@@ -2,7 +2,7 @@ use alloc::boxed::Box;
 use core::convert::TryFrom;
 use rmm::PhysicalAddress;
 
-use crate::acpi::rxsdt::RxsdtIter;
+use crate::acpi::{RxsdtEnum, rxsdt::RxsdtIter};
 
 use super::{rxsdt::Rxsdt, sdt::Sdt};
 
@@ -27,6 +27,6 @@ impl Xsdt {
 
 impl Rxsdt for Xsdt {
     fn iter(&self) -> RxsdtIter {
-        RxsdtIter { sdt: self.0, i: 0 }
+        RxsdtIter { sdt: self.0, i: 0, rxsdt_enum: RxsdtEnum::Xsdt(Xsdt(self.0)) }
     }
 }