void
init_platform()
{
+ kprintf(KINFO "\033[11;0mLunaixOS \033[39;49m\n");
+
// 锁定所有系统预留页(内存映射IO,ACPI之类的),并且进行1:1映射
lock_reserved_memory();
// peripherals & chipset features
ps2_kbd_init();
- pci_init();
block_init();
ahci_init();
+ pci_init();
+
// console
console_start_flushing();
console_flush();
vmm_del_mapping(PD_REFERENCED, (void*)i);
pmm_free_page(KERNEL_PID, (void*)i);
}
-
- // reserve higher half
- for (size_t i = L1_INDEX(KERNEL_MM_BASE); i < 1023; i++) {
- vmm_set_mapping(PD_REFERENCED, i << 22, 0, 0, VMAP_NOMAP);
- }
}
void
size_t pg_num = CEIL(mmap.len_low, PG_SIZE_BITS);
size_t j = 0;
if (!unlock) {
+ kprintf("mem: freeze: %p..%p type=%x\n",
+ pa,
+ pa + pg_num * PG_SIZE,
+ mmap.type);
for (; j < pg_num; j++) {
uintptr_t _pa = pa + (j << PG_SIZE_BITS);
if (_pa >= KERNEL_MM_BASE) {
// Save the progress for later unmapping.
mmaps[i].len_low = j * PG_SIZE;
} else {
+ kprintf("mem: reclaim: %p..%p type=%x\n",
+ pa,
+ pa + pg_num * PG_SIZE,
+ mmap.type);
for (; j < pg_num; j++) {
uintptr_t _pa = pa + (j << PG_SIZE_BITS);
vmm_del_mapping(PD_REFERENCED, _pa);