.section .text
    .globl _start
_start:
    # Set up stack pointer (adjust as you want)
    la sp, stack_top

    # Call rust_main (extern function)
    call rust_main

    # Infinite loop after kmain returns
1:  j 1b

    .section .bss
    .align 12          # 2^12 = 4096 bytes stack alignment
    .space 0x4000      # 16KB stack

stack_top: