#include <Mm/pmmngr.h>
#include <Mm/vmmngr.h>
#include <Hal/AA64/aa64lowlevel.h>
#include <Sync/spinlock.h>
#include <efi.h>
#include <aucon.h>
#include <string.h>
#include <stdint.h>
#include <_null.h>

Include dependency graph for pmmngr.c:

Classes
struct	PmmPageDesc

struct	PmmRange

struct	LBMemoryRegion

struct	PmmOwnerEntry

Macros
#define	PAGE_SHIFT 12

#define	PAGE_SIZE (1ULL << PAGE_SHIFT)

#define	PMM_MAX_ORDER 32

#define	PMM_MAX_REGIONS 128

#define	PMM_MAX_RESERVATIONS 1024

#define	PMM_NO_PAGE UINT64_MAX

#define	PMM_OWNER_SLOTS 256

#define	PMM_NO_OWNER_SLOT UINT16_MAX

Typedefs
typedef struct PmmPageDesc	PmmPageDesc

typedef struct PmmRange	PmmRange

typedef struct LBMemoryRegion	LBMemoryRegion

typedef struct PmmOwnerEntry	PmmOwnerEntry

Enumerations
enum	PmmPageState { PMM_PAGE_UNMANAGED , PMM_PAGE_RESERVED , PMM_PAGE_FREE_HEAD , PMM_PAGE_FREE_TAIL , PMM_PAGE_ALLOC_HEAD , PMM_PAGE_ALLOC_TAIL }

Functions
bool	AuPmmngrValidate (void)

void	AuPmmngrInitialize (KERNEL_BOOT_INFO *info)

uint64_t	AuPmmngrAllocPagesForOwner (uint32_t pages, uint32_t alignment, uint64_t ceiling, uint8_t type, int32_t owner)

uint64_t	AuPmmngrAllocPages (uint32_t pages, uint32_t alignment, uint64_t ceiling, uint8_t type)

uint64_t	AuPmmngrAllocPageForOwner (uint8_t type, int32_t owner)

uint64_t	AuPmmngrAllocPage (uint8_t type)

uint64_t	AuPmmOwnerPages (int32_t owner)

void	AuPmmOwnerTeardownCheck (int32_t owner, const char *tag)

bool	AuPmmngrReleasePage (uint64_t phys)

bool	AuPmmngrReleasePages (uint64_t phys)

bool	AuPmmngrRetainPage (uint64_t phys)

uint16_t	AuPmmngrPageRefcount (uint64_t phys)

bool	AuPmmngrSetBackingBlock (uint64_t phys, int64_t block)

int64_t	AuPmmngrGetBackingBlock (uint64_t phys)

void	AuPmmngrGetStats (AuPmmStats *stats)

bool	AuPmmngrAllocCheck (uint64_t address)

uint64_t	P2V (uint64_t addr)
	P2V – Physical to Virtual conversion.

uint64_t	V2P (uint64_t addr)
	V2P – Virtual to Physical conversion.

void	AuPmmngrMoveHigher (void)
	AuPmmngrMoveHigher – moves the kernel to higher half of memory.

void	AuPmmngrDebugInfo (void)

Variables
KERNEL_BOOT_INFO *	bootinfo

Macro Definition Documentation

◆ PAGE_SHIFT

#define PAGE_SHIFT 12

ARM64 region-aware buddy physical-memory manager.

◆ PAGE_SIZE

#define PAGE_SIZE (1ULL << PAGE_SHIFT)

◆ PMM_MAX_ORDER

#define PMM_MAX_ORDER 32

◆ PMM_MAX_REGIONS

#define PMM_MAX_REGIONS 128

◆ PMM_MAX_RESERVATIONS

#define PMM_MAX_RESERVATIONS 1024

◆ PMM_NO_OWNER_SLOT

#define PMM_NO_OWNER_SLOT UINT16_MAX

◆ PMM_NO_PAGE

#define PMM_NO_PAGE UINT64_MAX

◆ PMM_OWNER_SLOTS

#define PMM_OWNER_SLOTS 256

Typedef Documentation

◆ LBMemoryRegion

typedef struct LBMemoryRegion LBMemoryRegion

◆ PmmOwnerEntry

typedef struct PmmOwnerEntry PmmOwnerEntry

◆ PmmPageDesc

typedef struct PmmPageDesc PmmPageDesc

◆ PmmRange

typedef struct PmmRange PmmRange

Enumeration Type Documentation

◆ PmmPageState

enum PmmPageState

Enumerator
PMM_PAGE_UNMANAGED
PMM_PAGE_RESERVED
PMM_PAGE_FREE_HEAD
PMM_PAGE_FREE_TAIL
PMM_PAGE_ALLOC_HEAD
PMM_PAGE_ALLOC_TAIL

Function Documentation

◆ AuPmmngrAllocCheck()

bool AuPmmngrAllocCheck ( uint64_t address )

◆ AuPmmngrAllocPage()

uint64_t AuPmmngrAllocPage ( uint8_t type )

◆ AuPmmngrAllocPageForOwner()

uint64_t AuPmmngrAllocPageForOwner	(	uint8_t	type,
		int32_t	owner
	)

◆ AuPmmngrAllocPages()

uint64_t AuPmmngrAllocPages	(	uint32_t	pages,
		uint32_t	alignment,
		uint64_t	ceiling,
		uint8_t	type
	)

◆ AuPmmngrAllocPagesForOwner()

uint64_t AuPmmngrAllocPagesForOwner	(	uint32_t	pages,
		uint32_t	alignment,
		uint64_t	ceiling,
		uint8_t	type,
		int32_t	owner
	)

◆ AuPmmngrDebugInfo()

void AuPmmngrDebugInfo ( void )

◆ AuPmmngrGetBackingBlock()

int64_t AuPmmngrGetBackingBlock ( uint64_t phys )

◆ AuPmmngrGetStats()

void AuPmmngrGetStats ( AuPmmStats * stats )

◆ AuPmmngrInitialize()

void AuPmmngrInitialize ( KERNEL_BOOT_INFO * info )

◆ AuPmmngrMoveHigher()

void AuPmmngrMoveHigher ( void )

AuPmmngrMoveHigher – moves the kernel to higher half of memory.

◆ AuPmmngrPageRefcount()

uint16_t AuPmmngrPageRefcount ( uint64_t phys )

◆ AuPmmngrReleasePage()

bool AuPmmngrReleasePage ( uint64_t phys )

◆ AuPmmngrReleasePages()

bool AuPmmngrReleasePages ( uint64_t phys )

◆ AuPmmngrRetainPage()

bool AuPmmngrRetainPage ( uint64_t phys )

◆ AuPmmngrSetBackingBlock()

bool AuPmmngrSetBackingBlock	(	uint64_t	phys,
		int64_t	block
	)

◆ AuPmmngrValidate()

bool AuPmmngrValidate ( void )

◆ AuPmmOwnerPages()

uint64_t AuPmmOwnerPages ( int32_t owner )

◆ AuPmmOwnerTeardownCheck()

void AuPmmOwnerTeardownCheck	(	int32_t	owner,
		const char *	tag
	)

◆ P2V()

uint64_t P2V ( uint64_t addr )

P2V – Physical to Virtual conversion.

Parameters

addr	– Address to convert

◆ V2P()

uint64_t V2P ( uint64_t vaddr )

V2P – Virtual to Physical conversion.