#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 (void **pages, uint64_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.

void	space_load (space_t *space)
	Loads a virtual address space.

static void	space_align_region (void *virtAddr, uint64_t length)

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

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

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

uint64_t	space_pin (space_t space, const void buffer, uint64_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, uint8_t objectSize, uint64_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, uint64_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, uint64_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	space_mapping_start (space_t space, space_mapping_t mapping, void virtAddr, void physAddr, uint64_t length, pml_flags_t flags)
	Prepare for changes to the address space mappings.

pml_callback_id_t	space_alloc_callback (space_t space, uint64_t pageAmount, space_callback_func_t func, void private)
	Allocate a callback.

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

static void	space_tlb_shootdown_ipi_handler (ipi_func_data_t *data)

void	space_tlb_shootdown (space_t space, void virtAddr, uint64_t pageAmount)
	Performs a TLB shootdown for a region of the address space, and wait for acknowledgements.

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, uint64_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.

Function Documentation

◆ space_pmm_bitmap_alloc_pages()

static uint64_t space_pmm_bitmap_alloc_pages	(	void **	pages,
		uint64_t	pageAmount
	)

static

Definition at line 20 of file space.c.

Here is the call graph for this function: