diff options
Diffstat (limited to 'kernel/src/lib.rs')
-rw-r--r-- | kernel/src/lib.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/src/lib.rs b/kernel/src/lib.rs new file mode 100644 index 0000000..bd5a19f --- /dev/null +++ b/kernel/src/lib.rs @@ -0,0 +1,16 @@ +#![no_std] + +mod panic; + +/// The entrypoint to the kernel. This should be executed by hart0 alone. It performs some early +/// boot tasks, then wakes up any other harts. +#[no_mangle] +pub extern "C" fn hart0_boot() { + for byte in "Hello, world!\n".bytes() { + unsafe { + core::ptr::write_volatile(0x10000000 as *mut u8, byte); + } + } + + todo!() +} |