.section .text.entry, "ax"
.global _start
.type _start, %function
_start:
    mov x19, x0
    mrs x0, mpidr_el1
    and x0, x0, #0xff
    cbz x0, 1f
0:  wfe
    b 0b

1:  ldr x0, =__boot_stack_top
    mov sp, x0
    ldr x0, =__bss_start
    ldr x1, =__bss_end
2:  cmp x0, x1
    b.hs 3f
    str xzr, [x0], #8
    b 2b
3:  mov x0, x19
    bl hv_main
4:  wfe
    b 4b

.section .bss.stack, "aw", %nobits
.align 12
__boot_stack:
    .skip 0x10000
__boot_stack_top: