void
sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int count)
{
int len;
vm_offset_t p1, p2;
if (vtb2->vtb_type != VTB_RINGBUFFER)
return;
while (count > 0) {
p1 = vtb_pointer(vtb1, from);
p2 = vtb_pointer(vtb2, vtb2->vtb_tail);
len = imin(count, vtb2->vtb_size - vtb2->vtb_tail);
if (vtb1->vtb_type == VTB_FRAMEBUFFER) {
bcopy_fromio(p1, p2, len*sizeof(u_int16_t));
bcopy_fromio(p1 + ATTR_OFFSET_FB,
p2 + attr_offset(vtb2),
len*sizeof(u_int16_t));
} else {
bcopy((void *)p1, (void *)p2, len*sizeof(u_int16_t));
bcopy((void *)(p1 + attr_offset(vtb1)),
(void *)(p2 + attr_offset(vtb2)),
len*sizeof(u_int16_t));
}
from += len;
count -= len;
vtb2->vtb_tail = vtb_wrap(vtb2, vtb2->vtb_tail, len);
}
}
void
sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int count)
{
int len;
if (vtb2->vtb_type != VTB_RINGBUFFER)
return;
while (count > 0) {
len = imin(count, vtb2->vtb_size - vtb2->vtb_tail);
#ifndef __sparc64__
if (vtb1->vtb_type == VTB_FRAMEBUFFER)
bcopy_fromio(sc_vtb_pointer(vtb1, from),
sc_vtb_pointer(vtb2, vtb2->vtb_tail),
len*sizeof(u_int16_t));
else
#endif
bcopy((void *)sc_vtb_pointer(vtb1, from),
(void *)sc_vtb_pointer(vtb2, vtb2->vtb_tail),
len*sizeof(u_int16_t));
from += len;
count -= len;
vtb2->vtb_tail = vtb_wrap(vtb2, vtb2->vtb_tail, len);
}
}
void
sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int count)
{
int len;
if (vtb2->vtb_type != VTB_RINGBUFFER)
return;
while (count > 0) {
len = imin(count, vtb2->vtb_size - vtb2->vtb_tail);
if (vtb1->vtb_type == VTB_FRAMEBUFFER) {
bcopy_fromio(vtb1->vtb_buffer + from,
vtb2->vtb_buffer + vtb2->vtb_tail,
len*sizeof(uint16_t));
} else {
bcopy(vtb1->vtb_buffer + from,
vtb2->vtb_buffer + vtb2->vtb_tail,
len*sizeof(uint16_t));
}
from += len;
count -= len;
vtb2->vtb_tail = vtb_wrap(vtb2, vtb2->vtb_tail, len);
}
}