int
get_machdep_info_x86(void)
{
unsigned long vmlist, vmalloc_start;
/* PAE */
if ((vt.mem_flags & MEMORY_X86_PAE)
|| ((SYMBOL(pkmap_count) != NOT_FOUND_SYMBOL)
&& (SYMBOL(pkmap_count_next) != NOT_FOUND_SYMBOL)
&& ((SYMBOL(pkmap_count_next)-SYMBOL(pkmap_count))/sizeof(int))
== 512)) {
DEBUG_MSG("\n");
DEBUG_MSG("PAE : ON\n");
vt.mem_flags |= MEMORY_X86_PAE;
info->max_physmem_bits = _MAX_PHYSMEM_BITS_PAE;
} else {
DEBUG_MSG("\n");
DEBUG_MSG("PAE : OFF\n");
info->max_physmem_bits = _MAX_PHYSMEM_BITS;
}
info->page_offset = __PAGE_OFFSET;
if (SYMBOL(_stext) == NOT_FOUND_SYMBOL) {
ERRMSG("Can't get the symbol of _stext.\n");
return FALSE;
}
info->kernel_start = SYMBOL(_stext) & ~KVBASE_MASK;
DEBUG_MSG("kernel_start : %lx\n", info->kernel_start);
if (!remap_init())
return FALSE;
/*
* For the compatibility, makedumpfile should run without the symbol
* vmlist and the offset of vm_struct.addr if they are not necessary.
*/
if ((SYMBOL(vmlist) == NOT_FOUND_SYMBOL)
|| (OFFSET(vm_struct.addr) == NOT_FOUND_STRUCTURE)) {
return TRUE;
}
if (!readmem(VADDR, SYMBOL(vmlist), &vmlist, sizeof(vmlist))) {
ERRMSG("Can't get vmlist.\n");
return FALSE;
}
if (!readmem(VADDR, vmlist + OFFSET(vm_struct.addr), &vmalloc_start,
sizeof(vmalloc_start))) {
ERRMSG("Can't get vmalloc_start.\n");
return FALSE;
}
info->vmalloc_start = vmalloc_start;
DEBUG_MSG("vmalloc_start: %lx\n", vmalloc_start);
return TRUE;
}
/*
* Initialize the interface between the VGA emulator and X.
* Check if X's color depth is supported.
*/
int remapper_init(int have_true_color, int have_shmap, int features,
ColorSpaceDesc *csd)
{
int remap_src_modes, err, ximage_mode;
// set_remap_debug_msg(stderr);
if(have_true_color) {
switch(csd->bits) {
case 1: ximage_mode = MODE_TRUE_1_MSB; break;
case 15: ximage_mode = MODE_TRUE_15; break;
case 16: ximage_mode = MODE_TRUE_16; break;
case 24: ximage_mode = MODE_TRUE_24; break;
case 32: ximage_mode = MODE_TRUE_32; break;
default: ximage_mode = MODE_UNSUP;
}
}
else {
switch(csd->bits) {
case 8: ximage_mode = have_shmap ? MODE_TRUE_8 : MODE_PSEUDO_8; break;
default: ximage_mode = MODE_UNSUP;
}
}
remap_src_modes = find_supported_modes(ximage_mode);
remap_obj = remap_init(ximage_mode, features, csd);
if (features & RFF_BITMAP_FONT) {
use_bitmap_font = 1;
register_text_system(&Text_bitmap);
init_text_mapper(ximage_mode, features, csd);
}
err = sem_init(&render_sem, 0, 0);
assert(!err);
err = pthread_create(&render_thr, NULL, render_thread, NULL);
assert(!err);
return remap_src_modes;
}
