int main(void)
{
l4_kernel_info_t *kip = l4re_kip();
struct l4_vhw_descriptor *vhw;
int i;
if (!kip)
{
printf("KIP not available!\n");
return 1;
}
if (!l4util_kip_kernel_is_ux(kip))
{
printf("This example is for Fiasco-UX only.\n");
return 1;
}
vhw = l4_vhw_get(kip);
printf("kip at %p, vhw at %p\n", kip, vhw);
printf("magic: %08x, version: %08x, count: %02d\n",
vhw->magic, vhw->version, vhw->count);
for (i = 0; i < vhw->count; i++)
print_entry(l4_vhw_get_entry(vhw, i));
return 0;
}
int
ux_probe(con_accel_t *accel)
{
struct l4_vhw_descriptor *vhw;
struct l4_vhw_entry *vhwe;
if (!l4util_kip_kernel_is_ux(l4re_kip()))
return -L4_ENODEV;
if (l4io_lookup_device("L4UXfb", NULL, 0, 0))
{
printf("WARNING: Running under Fiasco-UX and no 'L4UXfb' device found, can only use polling mode!\n");
return -L4_ENODEV;
}
printf("Found Fiasco-UX Framebuffer\n");
if (!(vhw = l4_vhw_get(l4re_kip())))
return -L4_ENODEV;
if (!(vhwe = l4_vhw_get_entry_type(vhw, L4_TYPE_VHW_FRAMEBUFFER)))
return -L4_ENODEV;
ux_con_pid = vhwe->provider_pid;
accel->drty = uxScreenUpdate;
accel->caps = ACCEL_POST_DIRTY;
printf("Found VHW descriptor, provider is %d\n", ux_con_pid);
l4_thread_control_start();
l4_thread_control_ux_host_syscall(1);
l4_thread_control_commit(l4re_env()->main_thread);
/* The update thread needs to run with the same priority than as the vc
* threads (otherwise the screen won't be updated) */
{
pthread_t update_tid;
pthread_attr_t a;
struct sched_param sp;
pthread_attr_init(&a);
sp.sched_priority = 0x70;
pthread_attr_setschedpolicy(&a, SCHED_L4);
pthread_attr_setschedparam(&a, &sp);
pthread_attr_setinheritsched(&a, PTHREAD_EXPLICIT_SCHED);
if (pthread_create(&update_tid, &a, updater_thread, NULL))
return -L4_ENOMEM;
updater_id = pthread_getl4cap(update_tid);
#if 0
update_tid = l4thread_create_long(L4THREAD_INVALID_ID,
updater_thread, ".scr-upd",
L4THREAD_INVALID_SP, L4THREAD_DEFAULT_SIZE,
0xff, NULL,
L4THREAD_CREATE_ASYNC);
if (update_tid < 0)
{
printf("Could not create updater thread.\n");
return -L4_ENOTHREAD;
}
updater_id = l4thread_l4_id(update_tid);
#endif
}
#if 0
if (hw_vid_mem_addr != vhwe->mem_start
|| hw_vid_mem_size != vhwe->mem_size)
printf("!!! Memory area mismatch "l4_addr_fmt"(%lx) vs. "l4_addr_fmt
"(%lx) ... continuing\n",
hw_vid_mem_addr, hw_vid_mem_size, vhwe->mem_start, vhwe->mem_size);
#endif
//map_io_mem(hw_vid_mem_addr, hw_vid_mem_size, 0, "UX video",
// (l4_addr_t *)&hw_map_vid_mem_addr);
// already mapped by vesa-ds + rm-attach
hw_map_vid_mem_addr = hw_vid_mem_addr;
return 0;
}
