}
}
-extern uint8_t __kernel_start; /* link/linker.ld */
-extern uint8_t __kernel_end; /* link/linker.ld */
-extern uint8_t __init_hhk_end; /* link/linker.ld */
+extern u8_t __kernel_start; /* link/linker.ld */
+extern u8_t __kernel_end; /* link/linker.ld */
+extern u8_t __init_hhk_end; /* link/linker.ld */
extern multiboot_info_t* _k_init_mb_info; /* k_init.c */
void
unlock_reserved_memory();
// clean up
- for (size_t i = 0; i < (uintptr_t)(&__init_hhk_end); i += PG_SIZE) {
- vmm_del_mapping(VMS_SELF, (void*)i);
- pmm_free_page(KERNEL_PID, (void*)i);
+ for (size_t i = 0; i < (ptr_t)(&__init_hhk_end); i += PG_SIZE) {
+ vmm_del_mapping(VMS_SELF, (ptr_t)i);
+ pmm_free_page(KERNEL_PID, (ptr_t)i);
}
}
void
__do_reserved_memory(int unlock)
{
- multiboot_memory_map_t* mmaps = _k_init_mb_info->mmap_addr;
+ multiboot_memory_map_t* mmaps =
+ (multiboot_memory_map_t*)_k_init_mb_info->mmap_addr;
+
size_t map_size =
_k_init_mb_info->mmap_length / sizeof(multiboot_memory_map_t);
+
// v_mapping mapping;
for (unsigned int i = 0; i < map_size; i++) {
multiboot_memory_map_t mmap = mmaps[i];
- uint8_t* pa = PG_ALIGN(mmap.addr_low);
+ ptr_t pa = PG_ALIGN(mmap.addr_low);
+
if (mmap.type == MULTIBOOT_MEMORY_AVAILABLE || pa <= MEM_4MB) {
// Don't fuck up our kernel code or any free area!
continue;
}
+
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);
+ ptr_t _pa = pa + (j << PG_SIZE_BITS);
if (_pa >= KERNEL_MM_BASE) {
// Don't fuck up our kernel space!
break;
pmm_mark_page_occupied(
KERNEL_PID, _pa >> PG_SIZE_BITS, PP_FGLOCKED);
}
+
// Save the progress for later unmapping.
mmaps[i].len_low = j * PG_SIZE;
} else {
pa,
pa + pg_num * PG_SIZE,
mmap.type);
+
for (; j < pg_num; j++) {
- uintptr_t _pa = pa + (j << PG_SIZE_BITS);
+ ptr_t _pa = pa + (j << PG_SIZE_BITS);
vmm_del_mapping(VMS_SELF, _pa);
if (mmap.type == MULTIBOOT_MEMORY_ACPI_RECLAIMABLE) {
pmm_mark_page_free(_pa >> PG_SIZE_BITS);