97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
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/*
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* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
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*
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* This source code is subject to the terms and conditions defined in the
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* file 'LICENSE' which is part of this source code package.
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*
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* Description:
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "secmem.h"
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#include "secmem_ca.h"
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static void* sec_sess;
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int secmem_init()
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{
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unsigned int ret;
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ret = Secure_V2_SessionCreate(&sec_sess);
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if (ret) {
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printf("Secure_V2_SessionCreate fail %x\n", ret);
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return -1;
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}
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ret = Secure_V2_Init(sec_sess, 1, 1, 0, 0);
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if (ret) {
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Secure_V2_SessionDestroy(sec_sess);
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printf("Secure_V2_Init fail %x\n", ret);
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return -1;
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}
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return 0;
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}
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void secmem_destroy()
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{
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if (sec_sess)
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Secure_V2_SessionDestroy(&sec_sess);
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sec_sess = NULL;
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}
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struct secmem* secmem_alloc(uint32_t size)
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{
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struct secmem* mem = calloc(1, sizeof(*mem));
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if (mem) {
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unsigned int ret;
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uint32_t maxsize;
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ret = Secure_V2_MemCreate(sec_sess, &mem->handle);
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if (ret) {
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printf("Secure_V2_MemCreate fail %x\n", ret);
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goto error;
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}
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ret = Secure_V2_MemAlloc(sec_sess, mem->handle, size, &mem->phyaddr);
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if (ret) {
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printf("Secure_V2_MemAlloc failed %x\n",ret);
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goto error2;
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}
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ret = Secure_V2_MemExport(sec_sess, mem->handle, &mem->fd, &maxsize);
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if (ret) {
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printf("Secure_V2_MemExport failed %x\n",ret);
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goto error3;
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}
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}
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return mem;
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error3:
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Secure_V2_MemFree(sec_sess, mem->handle);
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error2:
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Secure_V2_MemRelease(sec_sess, mem->handle);
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error:
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free(mem);
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return NULL;
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}
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void secmem_free(struct secmem * mem)
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{
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unsigned int ret;
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close(mem->fd);
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ret = Secure_V2_MemFree(sec_sess, mem->handle);
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if (ret)
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printf("Secure_V2_MemFree fail %x\n", ret);
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ret = Secure_V2_MemRelease(sec_sess, mem->handle);
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if (ret)
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printf("Secure_V2_MemRelease fail %x\n", ret);
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free(mem);
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}
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int secmem_fill(struct secmem* mem, uint8_t* buf, uint32_t offset, uint32_t size)
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{
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unsigned int ret = 0;
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ret = Secure_V2_MemFill(sec_sess, mem->handle, offset, buf, size);
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if (ret) {
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printf("Secure_V2_MemFill fail %x\n", ret);
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return -1;
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}
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return ret;
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}
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