mem_mng.h

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/* 
 * OpenVirtualization: 
 * For additional details and support contact [email protected].
 * Additional documentation can be found at www.openvirtualization.org
 * 
 * Copyright (C) 2010-2014 SierraWare
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 * 
 */
/* 
 * Simple Memory manager for secure world
 */

#ifndef __MEM_MNG_H__
#define __MEM_MNG_H__

#include <sw_types.h>
#ifdef ARM_ARCH_ARMV7
#define PAGE_SHIFT 12
#define PAGE_SIZE 4096
#else
#include <mmap.h>
#endif

struct mem_info {
        /* Virtual Address Start */
        va_t vir_addr_start;
        /* Physical Address Start */
        pa_t phy_addr_start;

        /* Bit Map Info */
        struct {
                /* Bit map start */
                va_t start;
                /* Total memory space held by this bitmap */
                u32 space;
                /* Free pages */
                u32 free_pages;

                /* last filled index. pages before this are completely filled */
                u32 last_filled_index;
        } bitmap;
};

extern struct mem_info sw_mem_info;

void sw_meminfo_init(struct mem_info *, struct mem_info *);

va_t sw_page_alloc(u32 size, struct mem_info *);

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



#endif