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Physical memory manager

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

Functions

Section titled “Functions”

pmm_alloc_page_internal

Section titled “pmm_alloc_page_internal”
paddr_t pmm_alloc_page_internal(enum alloc_flags flags);

pmm_alloc_pages_internal

Section titled “pmm_alloc_pages_internal”
paddr_t pmm_alloc_pages_internal(size_t count, enum alloc_flags flags);

pmm_free_pages

Section titled “pmm_free_pages”
void pmm_free_pages(paddr_t addr, uint64_t count);

pmm_free_page

Section titled “pmm_free_page”
void pmm_free_page(paddr_t addr);

pmm_early_init

Section titled “pmm_early_init”
void pmm_early_init(struct limine_memmap_request m);

pmm_mid_init

Section titled “pmm_mid_init”
void pmm_mid_init(void);

pmm_late_init

Section titled “pmm_late_init”
void pmm_late_init(void);

pmm_get_usable_ram

Section titled “pmm_get_usable_ram”
uint64_t pmm_get_usable_ram(void);

Variables

Section titled “Variables”

memmap

Section titled “memmap”
extern struct limine_memmap_response *memmap;

Macros

Section titled “Macros”

pmm_alloc_pages_1

Section titled “pmm_alloc_pages_1”
#define pmm_alloc_pages_1(count) \
    ({ \
        if ((enum alloc_flags) count == ALLOC_FLAGS_DEFAULT) \
            log_warn_once("Input to alloc_pages matches ALLOC_FLAGS_DEFAULT, " \
                          "possible mistake"); \
 \
        pmm_alloc_pages_internal(count, ALLOC_FLAGS_DEFAULT); \
    })

pmm_alloc_pages_2

Section titled “pmm_alloc_pages_2”
#define pmm_alloc_pages_2(count, f) pmm_alloc_pages_internal((count), (f));

pmm_alloc_pages

Section titled “pmm_alloc_pages”
#define pmm_alloc_pages(...) \
    _DISPATCH(pmm_alloc_pages, PP_NARG(__VA_ARGS__))(__VA_ARGS__)

pmm_alloc_page_0

Section titled “pmm_alloc_page_0”
#define pmm_alloc_page_0() pmm_alloc_page_internal((ALLOC_FLAGS_DEFAULT))

pmm_alloc_page_1

Section titled “pmm_alloc_page_1”
#define pmm_alloc_page_1(f) pmm_alloc_page_internal((f))

pmm_alloc_page

Section titled “pmm_alloc_page”
#define pmm_alloc_page(...) \
    _DISPATCH(pmm_alloc_page, PP_NARG(__VA_ARGS__))(__VA_ARGS__)