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/*
* VMM IO map table
*
* COPYRIGHT (C) 2013-2014, Real-Thread Information Technology Ltd
* All rights reserved
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2013-06-15 Bernard the first verion
*/
#include <rtthread.h>
#include "vmm.h"
static struct vmm_iomap _vmm_iomap[RT_VMM_IOMAP_MAXNR];
void vmm_iomap_init(struct vmm_iomap *iomap)
{
rt_memcpy(_vmm_iomap, iomap, sizeof(_vmm_iomap));
}
/* find virtual address according to name */
unsigned long vmm_find_iomap(const char *name)
{
int i;
for (i = 0; i < ARRAY_SIZE(_vmm_iomap); i++)
{
if (rt_strcmp(_vmm_iomap[i].name, name) == 0)
return (unsigned long)_vmm_iomap[i].va;
}
return 0;
}
/* find virtual address according to physcal address */
unsigned long vmm_find_iomap_by_pa(unsigned long pa)
{
int i;
for (i = 0; i < ARRAY_SIZE(_vmm_iomap); i++)
{
if (_vmm_iomap[i].pa == pa)
return (unsigned long)_vmm_iomap[i].va;
}
return 0;
}
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