vm_manager.h File Reference

#include <spinlock.h>
#include <type.h>

Go to the source code of this file.

Data Structures
struct	virtual_memory_block
struct	virtual_memory
struct	virtual_memory_tree_node
struct	virtual_memory_tree
struct	virtual_memory_page

Macros
#define	KERNEL_BASE   0xFFFF800000000000ULL
#define	REGION_SIZE   0x0000008000000000ULL
#define	USER_STACK_VADDR   0x7FFFFFFFE000ULL
#define	USER_MMAP_BASE   0x100000000ULL

Typedefs
typedef struct virtual_memory_block	virtual_memory_block_t
typedef struct virtual_memory	virtual_memory_t

Enumerations
enum	mem_vma_region : uintptr_t {   VMA_REGION_A = 0xFFFF800000000000ULL , VMA_REGION_B = 0xFFFF800000000000ULL + ( 0x0000008000000000ULL * 1) , VMA_REGION_C = 0xFFFF800000000000ULL + ( 0x0000008000000000ULL * 2) , VMA_REGION_KMODULE ,   KALLOC_BASE_ADDR , mem_vma_phys_window_pt = 0xFFFFB00000000000ULL , mem_vma_phys_window_start = 0xFFFFD00000000000ULL , VMA_REGION_PROCESS = 0x400000 }

Functions
struct virtual_memory	__attribute__ ((aligned(64)))
struct virtual_memory_tree_node	__attribute__ ((aligned(8)))
void	vma_register (struct virtual_memory_page *page, uintptr_t phys_address, uintptr_t virt_addr, size_t size)
virtual_memory_t *	vma_find (struct virtual_memory_page *page, uintptr_t virt_addr)
void	vma_unregister (struct virtual_memory_page *page, uintptr_t virt_addr)
uintptr_t	vma_lookup_free_vaddr (struct virtual_memory_page *page, mem_vma_region region, size_t size)
struct virtual_memory_page *	get_kernel_vmm_page ()
struct virtual_memory_page *	create_vmm_page ()

Variables
uintptr_t	start_address
uintptr_t	end_address
uintptr_t	phys_address
size_t	length
int	flags
int	core
struct virtual_memory_tree_node *	parent
struct virtual_memory_tree_node *	next
struct virtual_memory_tree	__attribute__
spinlock_t	lock
struct virtual_memory_tree	vma_tree_zone_process
struct virtual_memory_tree	vma_tree_zone_a
struct rbt_node *	tree
uint8_t	_pad [6]
struct virtual_memory_tree	vma_tree_zone_b
struct virtual_memory_tree	vma_tree_zone_c
struct virtual_memory_tree	vma_tree_zone_kmodule

Macro Definition Documentation

KERNEL_BASE

#define KERNEL_BASE   0xFFFF800000000000ULL

Definition at line 7 of file vm_manager.h.

REGION_SIZE

#define REGION_SIZE   0x0000008000000000ULL

Definition at line 8 of file vm_manager.h.

USER_MMAP_BASE

#define USER_MMAP_BASE   0x100000000ULL

Definition at line 10 of file vm_manager.h.

USER_STACK_VADDR

#define USER_STACK_VADDR   0x7FFFFFFFE000ULL

Definition at line 9 of file vm_manager.h.

Referenced by execve().

Typedef Documentation

virtual_memory_block_t

typedef struct virtual_memory_block virtual_memory_block_t

Definition at line 28 of file vm_manager.h.

virtual_memory_t

typedef struct virtual_memory virtual_memory_t

Definition at line 35 of file vm_manager.h.

Enumeration Type Documentation

mem_vma_region

enum mem_vma_region : uintptr_t

Enumerator
VMA_REGION_A
VMA_REGION_B
VMA_REGION_C
VMA_REGION_KMODULE
KALLOC_BASE_ADDR
mem_vma_phys_window_pt
mem_vma_phys_window_start
VMA_REGION_PROCESS

Definition at line 12 of file vm_manager.h.

Function Documentation

__attribute__() [1/2]

struct virtual_memory __attribute__

(

(aligned(64))

)

Definition at line 1 of file core.h.

__attribute__() [2/2]

struct virtual_memory_tree_node __attribute__

(

(aligned(8))

)

create_vmm_page()

struct virtual_memory_page * create_vmm_page

(

)

Definition at line 73 of file vm_manager.c.

References memset(), vma_page, VMA_RBT_NIL, and vxSlabAlloc().

Referenced by execve(), and INIT().

get_kernel_vmm_page()

struct virtual_memory_page * get_kernel_vmm_page

(

)

Referenced by __attribute__(), acpi_map_phys_page(), acpi_phys_page_unmap(), alloc_page_locked(), elf_load(), execve(), INIT(), INIT(), INIT(), mcfg_parse(), proccess_elf(), and vxPCIGatheringBusInfo().

vma_find()

virtual_memory_t * vma_find	(	struct virtual_memory_page *	page,
		uintptr_t	virt_addr )

Definition at line 117 of file vm_manager.c.

References rbt_node::data, NULL, page, rbt_search_node(), spin_acquire(), spin_release(), and VMA_RBT_NIL.

Referenced by syscall_mprotect().

vma_lookup_free_vaddr()

uintptr_t vma_lookup_free_vaddr	(	struct virtual_memory_page *	page,
		mem_vma_region	region,
		size_t	size )

Definition at line 156 of file vm_manager.c.

References virtual_memory_tree_node::end_address, NULL, page, size, spin_acquire(), spin_release(), VMA_REGION_A, VMA_REGION_B, VMA_REGION_C, VMA_REGION_KMODULE, VMA_REGION_PROCESS, and vma_tree_add_locked().

Referenced by acpi_map_phys_page(), elf_load(), execve(), INIT(), INIT(), mcfg_parse(), mmap_resolve_virt_addr(), proccess_elf(), and vxPCIGatheringBusInfo().

vma_register()

void vma_register	(	struct virtual_memory_page *	page,
		uintptr_t	phys_address,
		uintptr_t	virt_addr,
		size_t	size )

Definition at line 101 of file vm_manager.c.

References virtual_memory::core, virtual_memory::end_address, virtual_memory::flags, virtual_memory::length, page, phys_address, virtual_memory::phys_address, rbt_insert_node(), rbt_node_cache, size, spin_acquire(), spin_release(), virtual_memory::start_address, vma_cache, VMA_RBT_NIL, and vxSlabAlloc().

Referenced by __attribute__(), acpi_map_phys_page(), alloc_page_locked(), execve(), INIT(), INIT(), INIT(), mmap_handle_anonymous(), and vxPCIGatheringBusInfo().

vma_unregister()

void vma_unregister	(	struct virtual_memory_page *	page,
		uintptr_t	virt_addr )

Definition at line 126 of file vm_manager.c.

References page, rbt_remove_node(), rbt_search_node(), spin_acquire(), spin_release(), and VMA_RBT_NIL.

Referenced by acpi_phys_page_unmap(), and execve().

Variable Documentation

__attribute__

struct virtual_memory_tree __attribute__

_pad

uint8_t _pad[6]

Definition at line 4 of file vm_manager.h.

core

int core

Definition at line 5 of file vm_manager.h.

Referenced by __attribute__(), __attribute__(), attach_to_scheduler(), get_current_core_data(), irq_alloc_entry(), irq_register(), irq_setup(), set_tss_stack(), setup_gdt(), usleep(), usleep_backend(), vxACPIRegisterNewCore(), vxAddWorkqueueTask(), vxAllocScheduler(), vxGetCoreDataByCoreID(), vxGetCpuInfo(), vxGetNumberOfCores(), vxGetSchedulerCore(), vxSchedulerGetCurrentQueue(), and workqueue_process().

end_address

uintptr_t end_address

Definition at line 1 of file vm_manager.h.

Referenced by vma_tree_add_locked().

flags

int flags

Definition at line 4 of file vm_manager.h.

length

size_t length

Definition at line 3 of file vm_manager.h.

lock

spinlock_t lock

Definition at line 0 of file vm_manager.h.

next

struct virtual_memory_tree_node* next

Definition at line 3 of file vm_manager.h.

parent

struct virtual_memory_tree_node* parent

Definition at line 0 of file vm_manager.h.

phys_address

uintptr_t phys_address

Definition at line 2 of file vm_manager.h.

Referenced by vma_register().

start_address

uintptr_t start_address

Definition at line 0 of file vm_manager.h.

Referenced by vma_tree_add_locked().

tree

struct rbt_node* tree

Definition at line 3 of file vm_manager.h.

vma_tree_zone_a

struct virtual_memory_tree vma_tree_zone_a

Definition at line 2 of file vm_manager.h.

vma_tree_zone_b

struct virtual_memory_tree vma_tree_zone_b

Definition at line 5 of file vm_manager.h.

vma_tree_zone_c

struct virtual_memory_tree vma_tree_zone_c

Definition at line 6 of file vm_manager.h.

vma_tree_zone_kmodule

struct virtual_memory_tree vma_tree_zone_kmodule

Definition at line 7 of file vm_manager.h.

vma_tree_zone_process

struct virtual_memory_tree vma_tree_zone_process

Definition at line 1 of file vm_manager.h.