diff --git a/luma_core/src/ipc.rs b/luma_core/src/ipc.rs
index 40456d1..bdf0e7e 100644
--- a/luma_core/src/ipc.rs
+++ b/luma_core/src/ipc.rs
@@ -1,7 +1,5 @@
-use core::ptr::from_exposed_addr_mut;
-
 //bits 0..=31 = physical address of ipc request
-const HW_IPC_PPCMSG: usize = 0xCD00_0000usize; //from_exposed_addr_mut(0xCD00_0000);
+const HW_IPC_PPCMSG: *mut u32 = 0xCD00_0000 as *mut u32;
 
 //bit 0 = X1 | Execute IPC request
 //bit 1 = Y2 | Acknowledge IPC request
@@ -9,10 +7,10 @@ const HW_IPC_PPCMSG: usize = 0xCD00_0000usize; //from_exposed_addr_mut(0xCD00_00
 //bit 3 = X2 | Relaunch IPC
 //bit 4 = IY1 | IPC request reply send out IPC interrupt
 //bit 5 = IY2 | IPC request acknowledge sends out IPC interrupt
-const HW_IPC_PPCCTRL: usize = 0xCD00_0004usize; //from_exposed_addr_mut(0xCD00_0004);
+const HW_IPC_PPCCTRL: *mut u32 = 0xCD00_0004 as *mut u32;
 
 //bits 0..=31 = physical address of ipc request
-const HW_IPC_ARMMSG: usize = 0xCD00_0008usize; //from_exposed_addr_mut(0xCD00_0008);
+const HW_IPC_ARMMSG: *mut u32 = 0xCD00_0008 as *mut u32;
 
 //bit 0 = Y1 | IPC request reply available
 //bit 1 = X2 | Relauch IPC
@@ -20,7 +18,7 @@ const HW_IPC_ARMMSG: usize = 0xCD00_0008usize; //from_exposed_addr_mut(0xCD00_00
 //bit 3 = Y2 | Acknowledge IPC request
 //bit 4 = IX1 | Execute ipc request send IPC interrupt
 //bit 5 = IX2 | Relaunch IPC sends IPC interrupt
-const HW_IPC_ARMCTRL: usize = 0xCD00_000Cusize; //from_exposed_addr_mut(0xCD00_000C);
+const HW_IPC_ARMCTRL: *mut u32 = 0xCD00_000C as *mut u32;
 
 /// IPC Message Address (for BOTH ARM AND PPC)
 #[repr(transparent)]
@@ -32,23 +30,19 @@ impl IpcMessageAddress {
     }
 
     pub fn read_ppc() -> Self {
-        let hw_ipc_ppcmsg = from_exposed_addr_mut::<u32>(HW_IPC_PPCMSG);
-        Self(unsafe { hw_ipc_ppcmsg.read_volatile() })
+        Self(unsafe { HW_IPC_PPCMSG.read_volatile() })
     }
 
     pub fn write_ppc(self) {
-        let hw_ipc_ppcmsg = from_exposed_addr_mut::<u32>(HW_IPC_PPCMSG);
-        unsafe { hw_ipc_ppcmsg.write_volatile(self.0) }
+        unsafe { HW_IPC_PPCMSG.write_volatile(self.0) }
     }
 
     pub fn read_arm() -> Self {
-        let hw_ipc_armmsg = from_exposed_addr_mut::<u32>(HW_IPC_ARMMSG);
-        Self(unsafe { hw_ipc_armmsg.read_volatile() })
+        Self(unsafe { HW_IPC_ARMMSG.read_volatile() })
     }
 
     pub fn write_arm(self) {
-        let hw_ipc_armmsg = from_exposed_addr_mut::<u32>(HW_IPC_ARMMSG);
-        unsafe { hw_ipc_armmsg.write_volatile(self.0) }
+        unsafe { HW_IPC_ARMMSG.write_volatile(self.0) }
     }
 
     pub fn address(&self) -> u32 {
@@ -79,13 +73,11 @@ impl PpcIpcControl {
     }
 
     pub fn read() -> Self {
-        let hw_ipc_ppcctrl = from_exposed_addr_mut::<u32>(HW_IPC_PPCCTRL);
-        Self(unsafe { hw_ipc_ppcctrl.read_volatile() })
+        Self(unsafe { HW_IPC_PPCCTRL.read_volatile() })
     }
 
     pub fn write(self) {
-        let hw_ipc_ppcctrl = from_exposed_addr_mut::<u32>(HW_IPC_PPCCTRL);
-        unsafe { hw_ipc_ppcctrl.write_volatile(self.0) }
+        unsafe { HW_IPC_PPCCTRL.write_volatile(self.0) }
     }
 
     pub fn execute(&self) -> bool {
@@ -153,13 +145,11 @@ impl ArmIpcControl {
     }
 
     pub fn read() -> Self {
-        let hw_ipc_armctrl = from_exposed_addr_mut::<u32>(HW_IPC_ARMCTRL);
-        Self(unsafe { hw_ipc_armctrl.read_volatile() })
+        Self(unsafe { HW_IPC_ARMCTRL.read_volatile() })
     }
 
     pub fn write(self) {
-        let hw_ipc_armctrl = from_exposed_addr_mut::<u32>(HW_IPC_ARMCTRL);
-        unsafe { hw_ipc_armctrl.write_volatile(self.0) }
+        unsafe { HW_IPC_ARMCTRL.write_volatile(self.0) }
     }
 
     pub fn execute(&self) -> bool {
diff --git a/luma_core/src/lib.rs b/luma_core/src/lib.rs
index e376bed..962b0b4 100644
--- a/luma_core/src/lib.rs
+++ b/luma_core/src/lib.rs
@@ -5,13 +5,7 @@
 //! **NOTE**: This is currently in a very experimental state and is subject to change.
 #![no_std]
 #![allow(unused_attributes)]
-#![feature(
-    asm_experimental_arch,
-    box_into_boxed_slice,
-    allocator_api,
-    exposed_provenance,
-    strict_provenance
-)]
+#![feature(asm_experimental_arch, box_into_boxed_slice, allocator_api)]
 
 extern crate alloc;
 
diff --git a/powerpc-unknown-eabi.json b/powerpc-unknown-eabi.json
index 6864815..3edf24a 100644
--- a/powerpc-unknown-eabi.json
+++ b/powerpc-unknown-eabi.json
@@ -3,7 +3,7 @@
     "cpu": "750",
     "env": "newlib",
     "exe-suffix": ".elf",
-    "data-layout": "E-m:e-p:32:32-i64:64-n32",
+    "data-layout": "E-m:e-p:32:32-Fn32-i64:64-n32",
     "executables": true,
     "has-rpath": true,
     "llvm-target": "powerpc-unknown-eabi",