diff options
Diffstat (limited to 'src/_arch/arm/cpu')
| -rw-r--r-- | src/_arch/arm/cpu/boot.rs | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/_arch/arm/cpu/boot.rs b/src/_arch/arm/cpu/boot.rs index 9ea2330..b81a16a 100644 --- a/src/_arch/arm/cpu/boot.rs +++ b/src/_arch/arm/cpu/boot.rs @@ -1,11 +1,19 @@ -//! Architectural boot code -//! # Boot code for ARM -//! crate::cpu::boot::arch_boot +//! # Architectural boot code +//! +//! crate::cpu::boot::arch_boot +//! +//! ## Boot code for ARM +//! +//! Provides the initial handoff +//! function from Assembly to Rust. use core::arch::global_asm; global_asm!(include_str!("boot.s")); -/// The Rust entry of the `kernel` binary. +/// # Rust entry of the `kernel` binary. +/// +/// This function is unmangled so that the +/// ASM boot code can switch to Rust safely. #[no_mangle] pub unsafe fn _start_rust() -> ! { crate::kernel_init() |