7 | enter supervisor mode (assumes VBR=0)
11 ori.w #0x0300, %sr | disable interrupts
13 | zero the .bss section
14 move.l #_bss_start, %a0
17 beq.s 1f | skip zeroing if the section is empty
22 | setup the stack at the top of (traditional) chipmem for now
24 andi.w #0xf8ff, %sr | enable interrupts
26 | initialize early exception handlers