Files
lk/platform/vax/rom.S
Travis Geiselbrecht 89705cb065 [arch][vax] initial stab at booting on a vax
Booting on a real MicroVAX 3100/40 via netboot and on simh emulating a
micrvax 3900. Doesn't fully work, lots of stuff is stubbed out, but it
starts to run and hits unimplemented bits and stops.
2019-10-12 21:54:04 -07:00

11 lines
163 B
ArmAsm

.text
.globl rom_putchar
.type rom_putchar@function
rom_putchar:
.word 0x0004 # save r2
movl 4(%ap), %r2
jsb *rom_putchar_addr
ret