/* * VMM IO map table * * COPYRIGHT (C) 2011-2021, 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; }