Skip to content
charmOS docs

Bitmap allocator

include/mem/bitmap.h View source View on GitHub

Functions

Section titled “Functions”

bitmap_alloc_pages

Section titled “bitmap_alloc_pages”
paddr_t bitmap_alloc_pages(uint64_t count, enum alloc_flags f)
source

bitmap_free_pages

Section titled “bitmap_free_pages”
void bitmap_free_pages(paddr_t addr, uint64_t count)
source

set_bit

Section titled “set_bit”
cc_no_asan void set_bit(uint64_t index)
source

clear_bit

Section titled “clear_bit”
cc_no_asan void clear_bit(uint64_t index)
source

test_bit

Section titled “test_bit”
cc_no_asan bool test_bit(uint64_t index)
source

bitmap_alloc_page

Section titled “bitmap_alloc_page”
paddr_t bitmap_alloc_page(void)
source

Variables

Section titled “Variables”

boot_bitmap

Section titled “boot_bitmap”
extern uint8_t boot_bitmap[BOOT_BITMAP_SIZE]
source

bitmap

Section titled “bitmap”
extern uint8_t *bitmap
source

bitmap_size

Section titled “bitmap_size”
extern uint64_t bitmap_size
source

Macros

Section titled “Macros”

BOOT_BITMAP_SIZE

Section titled “BOOT_BITMAP_SIZE”
#define BOOT_BITMAP_SIZE (MIB(128) / PAGE_SIZE / 8)
source