mem_mng.h File Reference

#include <sw_types.h>
#include <mmap.h>

Go to the source code of this file.

Classes
struct	mem_info
	This structure has information about the memory regions in the secure world. More...

Functions
void	sw_meminfo_init (struct mem_info *, struct mem_info *)
	Initializes the address space in secure world by allocating and mapping the required pages. More...
va_t	sw_page_alloc (u32 size, struct mem_info *)
	Allocates physical pages for the required size. More...
int	sw_page_free (va_t vir_addr, u32 size, struct mem_info *)
	Frees the pages. More...

Variables
struct mem_info	sw_mem_info

Function Documentation

void sw_meminfo_init	(	struct mem_info *	info,
		struct mem_info *	p
	)

Initializes the address space in secure world by allocating and mapping the required pages.

Returns

Returns the address of the secure world page table

va_t sw_page_alloc	(	u32	size,
		struct mem_info *	info
	)

Allocates physical pages for the required size.

Parameters

size

Returns

Parameters

size	Size of the memory to be allocated

Returns

Returns the address of the memory allocated

int sw_page_free	(	va_t	vir_addr,
		u32	size,
		struct mem_info *	info
	)

Frees the pages.

Parameters

phy_addr
size

Returns

Parameters

phy_addr	start address of the pages to be freed
size	Size of the memory to be freed

Returns

Returns zero on success

Variable Documentation

struct mem_info sw_mem_info