SFB_ASIC_PIXELMASK
SFBWRITE32(asic, SFB_ASIC_PIXELMASK, ~0);
SFBWRITE32(BUMP(p), SFB_ASIC_PIXELMASK, (v))
(*(uint32_t *)(BUMP(p) + SFB_ASIC_PIXELMASK) = (v))
*(uint32_t *)(asic + SFB_ASIC_PIXELMASK) = ~0;