1*10465441SEvalZero /* 2*10465441SEvalZero * VMM IO map table 3*10465441SEvalZero * 4*10465441SEvalZero * COPYRIGHT (C) 2013-2014, Real-Thread Information Technology Ltd 5*10465441SEvalZero * All rights reserved 6*10465441SEvalZero * 7*10465441SEvalZero * SPDX-License-Identifier: Apache-2.0 8*10465441SEvalZero * 9*10465441SEvalZero * Change Logs: 10*10465441SEvalZero * Date Author Notes 11*10465441SEvalZero * 2013-06-15 Bernard the first verion 12*10465441SEvalZero */ 13*10465441SEvalZero #include <rtthread.h> 14*10465441SEvalZero #include "vmm.h" 15*10465441SEvalZero 16*10465441SEvalZero static struct vmm_iomap _vmm_iomap[RT_VMM_IOMAP_MAXNR]; 17*10465441SEvalZero vmm_iomap_init(struct vmm_iomap * iomap)18*10465441SEvalZerovoid vmm_iomap_init(struct vmm_iomap *iomap) 19*10465441SEvalZero { 20*10465441SEvalZero rt_memcpy(_vmm_iomap, iomap, sizeof(_vmm_iomap)); 21*10465441SEvalZero } 22*10465441SEvalZero 23*10465441SEvalZero /* find virtual address according to name */ vmm_find_iomap(const char * name)24*10465441SEvalZerounsigned long vmm_find_iomap(const char *name) 25*10465441SEvalZero { 26*10465441SEvalZero int i; 27*10465441SEvalZero 28*10465441SEvalZero for (i = 0; i < ARRAY_SIZE(_vmm_iomap); i++) 29*10465441SEvalZero { 30*10465441SEvalZero if (rt_strcmp(_vmm_iomap[i].name, name) == 0) 31*10465441SEvalZero return (unsigned long)_vmm_iomap[i].va; 32*10465441SEvalZero } 33*10465441SEvalZero 34*10465441SEvalZero return 0; 35*10465441SEvalZero } 36*10465441SEvalZero 37*10465441SEvalZero /* find virtual address according to physcal address */ vmm_find_iomap_by_pa(unsigned long pa)38*10465441SEvalZerounsigned long vmm_find_iomap_by_pa(unsigned long pa) 39*10465441SEvalZero { 40*10465441SEvalZero int i; 41*10465441SEvalZero 42*10465441SEvalZero for (i = 0; i < ARRAY_SIZE(_vmm_iomap); i++) 43*10465441SEvalZero { 44*10465441SEvalZero if (_vmm_iomap[i].pa == pa) 45*10465441SEvalZero return (unsigned long)_vmm_iomap[i].va; 46*10465441SEvalZero } 47*10465441SEvalZero 48*10465441SEvalZero return 0; 49*10465441SEvalZero } 50