90 lines
3.2 KiB
C
90 lines
3.2 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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/*!\file nrLDPC_init_mem.h
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* \brief Defines the function to initialize the LDPC decoder and sets correct LUTs.
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* \author Sebastian Wagner (TCL Communications) Email: <mailto:sebastian.wagner@tcl.com>
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* \date 07-12-2018
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* \version 1.0
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* \note
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* \warning
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*/
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#ifndef __NR_LDPC_INIT_MEM__H__
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#define __NR_LDPC_INIT_MEM__H__
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#include <stdlib.h>
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#include "nrLDPC_defs.h"
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#include "nrLDPC_types.h"
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#ifndef malloc32_clear
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/**
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\brief Allocates 32 byte aligned memory and initializes to zero
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\param size Input size in bytes
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\return Pointer to memory
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*/
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static inline void* malloc32_clear(size_t size)
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{
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void* ptr = (void*) memalign(32, size+32);
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memset(ptr, 0, size);
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return ptr;
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}
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#endif
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/**
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\brief Allocates and initializes the internal decoder processing buffers
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\param p_decParams Pointer to decoder parameters
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\param p_lut Pointer to decoder LUTs
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\return Number of LLR values
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*/
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static inline t_nrLDPC_procBuf* nrLDPC_init_mem(void)
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{
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t_nrLDPC_procBuf procBuf;
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t_nrLDPC_procBuf* p_procBuf = &procBuf;
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p_procBuf->cnProcBuf = (int8_t*) malloc32_clear(NR_LDPC_SIZE_CN_PROC_BUF*sizeof(int8_t));
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p_procBuf->cnProcBufRes = (int8_t*) malloc32_clear(NR_LDPC_SIZE_CN_PROC_BUF*sizeof(int8_t));
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p_procBuf->bnProcBuf = (int8_t*) malloc32_clear(NR_LDPC_SIZE_BN_PROC_BUF*sizeof(int8_t));
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p_procBuf->bnProcBufRes = (int8_t*) malloc32_clear(NR_LDPC_SIZE_BN_PROC_BUF*sizeof(int8_t));
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p_procBuf->llrRes = (int8_t*) malloc32_clear(NR_LDPC_MAX_NUM_LLR *sizeof(int8_t));
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p_procBuf->llrProcBuf = (int8_t*) malloc32_clear(NR_LDPC_MAX_NUM_LLR *sizeof(int8_t));
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int i;
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for (i=0;i<10;i++)
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{
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printf("p_procBuf->cnProcBuf[%d] = %d\n",i,p_procBuf->cnProcBuf[i]);
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printf("p_procBuf->cnProcBuf[%d] = %d\n",NR_LDPC_SIZE_CN_PROC_BUF - i - 1,p_procBuf->cnProcBuf[NR_LDPC_SIZE_CN_PROC_BUF - i - 1]);
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}
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return(p_procBuf);
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}
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static inline void nrLDPC_free_mem(t_nrLDPC_procBuf* p_procBuf)
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{
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free(p_procBuf->cnProcBuf);
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free(p_procBuf->cnProcBufRes);
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free(p_procBuf->bnProcBuf);
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free(p_procBuf->bnProcBufRes);
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free(p_procBuf->llrRes);
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free(p_procBuf->llrProcBuf);
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}
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#endif
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