#include <kernel/cpu/ipi.h>
#include <kernel/mem/space.h>
#include <kernel/cpu/cpu.h>
#include <kernel/log/panic.h>
#include <kernel/mem/paging.h>
#include <kernel/mem/pmm.h>
#include <kernel/mem/vmm.h>
#include <kernel/sched/clock.h>
#include <kernel/utils/map.h>
#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sys/math.h>
#include <sys/proc.h>

Include dependency graph for space.c:

Functions
static uint64_t	space_pmm_bitmap_alloc_pages (pfn_t *pfns, size_t pageAmount)

static void	space_map_kernel_space_region (space_t *space, uintptr_t start, uintptr_t end)

static void	space_unmap_kernel_space_region (space_t *space, uintptr_t start, uintptr_t end)

uint64_t	space_init (space_t *space, uintptr_t startAddress, uintptr_t endAddress, space_flags_t flags)
	Initializes a virtual address space.

void	space_deinit (space_t *space)
	Deinitializes a virtual address space.

static void	space_align_region (void *virtAddr, size_t length)

static uint64_t	space_populate_user_region (space_t space, const void buffer, size_t pageAmount)

static void	space_pin_depth_dec (space_t space, const void address, uint64_t amount)

static uint64_t	space_pin_depth_inc (space_t space, const void address, uint64_t amount)

uint64_t	space_pin (space_t space, const void buffer, size_t length, stack_pointer_t *userStack)
	Pins pages within a region of the address space.

uint64_t	space_pin_terminated (space_t space, const void address, const void terminator, size_t objectSize, size_t maxCount, stack_pointer_t userStack)
	Pins a region of memory terminated by a terminator value.

void	space_unpin (space_t space, const void address, size_t length)
	Unpins pages in a region previously pinned with `space_pin()` or `space_pin_string()`.

uint64_t	space_check_access (space_t space, const void addr, size_t length)
	Checks if a virtual memory region is within the allowed address range of the space.

static void *	space_find_free_region (space_t *space, uint64_t pageAmount, uint64_t alignment)

uint64_t	space_mapping_start (space_t space, space_mapping_t mapping, void *virtAddr, phys_addr_t physAddr, size_t length, size_t alignment, pml_flags_t flags)
	Prepare for changes to the address space mappings.

pml_callback_id_t	space_alloc_callback (space_t space, size_t pageAmount, space_callback_func_t func, void data)
	Allocate a callback.

void	space_free_callback (space_t *space, pml_callback_id_t callbackId)
	Free a callback.

static void	space_update_free_address (space_t *space, uintptr_t virtAddr, uint64_t pageAmount)

void *	space_mapping_end (space_t space, space_mapping_t mapping, errno_t err)
	Performs cleanup after changes to the address space mappings.

bool	space_is_mapped (space_t space, const void virtAddr, size_t length)
	Checks if a virtual memory region is fully mapped.

uint64_t	space_user_page_count (space_t *space)
	Get the number of user pages allocated in the address space.

phys_addr_t	space_virt_to_phys (space_t space, const void virtAddr)
	Translate a virtual address to a physical address in the address space.

Function Documentation

◆ space_pmm_bitmap_alloc_pages()

static uint64_t space_pmm_bitmap_alloc_pages	(	pfn_t *	pfns,
		size_t	pageAmount
	)

static

Definition at line 20 of file space.c.

Here is the call graph for this function: