Import asm!() and global_asm!() for latest nightly

Since the 19th of December, these two macros are not exported from the
prelude any longer, and must be imported from core::arch instead.

See rust-lang/rust#87228

luma_core/src/cache.rs

@@ -3,6 +3,7 @@
 //! Contains functions for the L1, L2, Data and Instruction caches.
 
 use crate::{mfspr, mtspr, processor};
+use core::arch::{asm, global_asm};
 
 global_asm!(include_str!("../asm/cache.S"));
 

luma_core/src/integer.rs

@@ -2,6 +2,8 @@
 //!
 //! Contains functions for integer instructions.
 
+use core::arch::asm;
+
 /// (`cntlzw`) PowerPC Integer Instruction
 #[inline(always)]
 pub fn cntlzw(value: u32) -> u32 {

luma_core/src/io.rs

@@ -2,6 +2,8 @@
 //!
 //! Contains functions for basic I/O.
 
+use core::arch::asm;
+
 /// Read a 32-bit value from an address.
 #[inline(always)]
 pub fn read32(address: u32) -> u32 {

luma_core/src/loadstore.rs

@@ -2,6 +2,8 @@
 //!
 //! Contains functions for load and store instructions.
 
+use core::arch::asm;
+
 /// (`lhbrx`) PowerPC Load Instruction
 #[inline(always)]
 pub fn lhbrx(base: u32, index: u32) -> u16 {

luma_core/src/processor.rs

@@ -2,6 +2,8 @@
 //!
 //! Contains functions for system instructions.
 
+use core::arch::asm;
+
 /// PowerPC NOP Instruction
 #[inline(always)]
 pub fn ppc_nop() {

luma_core/src/register.rs

@@ -2,6 +2,8 @@
 //!
 //! Contains functions for register instructions.
 
+use core::arch::asm;
+
 /// (`mfspr`) PowerPC Register Instruction
 #[macro_export]
 macro_rules! mfspr {

luma_runtime/src/lib.rs

@@ -13,6 +13,7 @@
     alloc_error_handler
 )]
 
+use core::arch::global_asm;
 use core::{alloc::Layout, panic::PanicInfo};
 use linked_list_allocator::LockedHeap;
 #[allow(unused_imports)]