12228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 22228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* ----------------------------------------------------------------------------------------------------------- 32228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectSoftware License for The Fraunhofer FDK AAC Codec Library for Android 42228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 52228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project� Copyright 1995 - 2012 Fraunhofer-Gesellschaft zur F�rderung der angewandten Forschung e.V. 62228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project All rights reserved. 72228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 82228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1. INTRODUCTION 92228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectThe Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software that implements 102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectthe MPEG Advanced Audio Coding ("AAC") encoding and decoding scheme for digital audio. 112228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectThis FDK AAC Codec software is intended to be used on a wide variety of Android devices. 122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 132228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient general perceptual 142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectaudio codecs. AAC-ELD is considered the best-performing full-bandwidth communications codec by 152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectindependent studies and is widely deployed. AAC has been standardized by ISO and IEC as part 162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectof the MPEG specifications. 172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 182228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectPatent licenses for necessary patent claims for the FDK AAC Codec (including those of Fraunhofer) 192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectmay be obtained through Via Licensing (www.vialicensing.com) or through the respective patent owners 202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectindividually for the purpose of encoding or decoding bit streams in products that are compliant with 212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectthe ISO/IEC MPEG audio standards. Please note that most manufacturers of Android devices already license 222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectthese patent claims through Via Licensing or directly from the patent owners, and therefore FDK AAC Codec 232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectsoftware may already be covered under those patent licenses when it is used for those licensed purposes only. 242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 252228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectCommercially-licensed AAC software libraries, including floating-point versions with enhanced sound quality, 262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectare also available from Fraunhofer. Users are encouraged to check the Fraunhofer website for additional 272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectapplications information and documentation. 282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project2. COPYRIGHT LICENSE 302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 312228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectRedistribution and use in source and binary forms, with or without modification, are permitted without 322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectpayment of copyright license fees provided that you satisfy the following conditions: 332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 342228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou must retain the complete text of this software license in redistributions of the FDK AAC Codec or 352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectyour modifications thereto in source code form. 362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 372228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou must retain the complete text of this software license in the documentation and/or other materials 382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectprovided with redistributions of the FDK AAC Codec or your modifications thereto in binary form. 392228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou must make available free of charge copies of the complete source code of the FDK AAC Codec and your 402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectmodifications thereto to recipients of copies in binary form. 412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 422228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectThe name of Fraunhofer may not be used to endorse or promote products derived from this library without 432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectprior written permission. 442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 452228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou may not charge copyright license fees for anyone to use, copy or distribute the FDK AAC Codec 462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectsoftware or your modifications thereto. 472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 482228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYour modified versions of the FDK AAC Codec must carry prominent notices stating that you changed the software 492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectand the date of any change. For modified versions of the FDK AAC Codec, the term 502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project"Fraunhofer FDK AAC Codec Library for Android" must be replaced by the term 512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project"Third-Party Modified Version of the Fraunhofer FDK AAC Codec Library for Android." 522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project3. NO PATENT LICENSE 542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 552228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectNO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without limitation the patents of Fraunhofer, 562228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectARE GRANTED BY THIS SOFTWARE LICENSE. Fraunhofer provides no warranty of patent non-infringement with 572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectrespect to this software. 582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 592228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectYou may use this FDK AAC Codec software or modifications thereto only for purposes that are authorized 602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectby appropriate patent licenses. 612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project4. DISCLAIMER 632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 642228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectThis FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright holders and contributors 652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project"AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, including but not limited to the implied warranties 662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectof merchantability and fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 672228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectCONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, or consequential damages, 682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectincluding but not limited to procurement of substitute goods or services; loss of use, data, or profits, 692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projector business interruption, however caused and on any theory of liability, whether in contract, strict 702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectliability, or tort (including negligence), arising in any way out of the use of this software, even if 712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectadvised of the possibility of such damage. 722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project5. CONTACT INFORMATION 742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 752228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectFraunhofer Institute for Integrated Circuits IIS 762228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAttention: Audio and Multimedia Departments - FDK AAC LL 772228e360595641dd906bf1773307f43d304f5b2The Android Open Source ProjectAm Wolfsmantel 33 782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project91058 Erlangen, Germany 792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectwww.iis.fraunhofer.de/amm 812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectamm-info@iis.fraunhofer.de 822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project----------------------------------------------------------------------------------------------------------- */ 832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/************************** Fraunhofer IIS FDK SysLib ********************** 852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Author(s): Manuel Jander 872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project Description: Linux genericStds (mostly kernel SRAM driver bindings) 882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project******************************************************************************/ 902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* 932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * NOTE: it makes only sense to enable this if you also have the corresponding 942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * GNU/Linux kernel driver to access fast SRAM. 952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#if defined(__arm__) /* || defined(__mips__) */ 972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/** 992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * EABI static linking problem workaround 1002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * 1012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * These function are normally present in libc.a but 1022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * apparently can be linked only statically. 1032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * While using C++ (iisisoff) that is a problem, 1042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * because it wont work (static global constructors 1052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * cause problems with static linked programs). 1062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * So the workaround is to include those functions here, 1072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * because libSYS.a is linked statically, and libc can be 1082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * linked dynamically as usual. 1092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * 1102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * Add more EABI functions here if you get unresolved 1112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project * symbols of EABI functions. 1122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project */ 1132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include <string.h> 1142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifdef __cplusplus 1162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectextern "C" { 1172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif 1182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid __aeabi_memcpy(void *dest, void *src, int size) 1192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project memcpy(dest, src, size); 1212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 1222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid __aeabi_memcpy4(void *dest, void *src, int size) 1232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project memcpy(dest, src, size); 1252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 1262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid __aeabi_memmove4(void *dest, void *src, int size) 1272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project memmove(dest, src, size); 1292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 1302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid __aeabi_memclr(void *ptr, int size) 1312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project memset(ptr, 0, size); 1332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 1342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid __aeabi_memclr4(void *ptr, int size) 1352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project memset(ptr, 0, size); 1372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 1382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifdef __cplusplus 1392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 1402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif 1412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* Include Linux kernel config, or set ARCH and processor macros directly */ 1432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project/* 1442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define CONFIG_ARCH_MXC 1452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define CONFIG_ARCH_MX25 1462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project*/ 1472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#if defined(CONFIG_ARCH_OMAP3) 1492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define KERNEL_SRAM_SIZE 65536 1502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#elif defined(CONFIG_ARCH_MX31) 1512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define KERNEL_SRAM_SIZE 16384 1522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#elif defined(CONFIG_ARCH_MX25) 1532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define KERNEL_SRAM_SIZE 131072 1542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#elif defined(CONFIG_ARCH_MX35) 1552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define KERNEL_SRAM_SIZE 131072 1562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#else 1572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define KERNEL_SRAM_SIZE 0 1582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif 1592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#if (KERNEL_SRAM_SIZE > 0) 1612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define KERNEL_SCRATCH_SIZE (4096) 1622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define FDK_SCRATCHBUF_SIZE (KERNEL_SCRATCH_SIZE/sizeof(INT)) 1632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define DATA_L1_A_SIZE (KERNEL_SRAM_SIZE-KERNEL_SCRATCH_SIZE) 1642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define RESOURCE_scratchBuffer 1662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define FUNCTION_FDKprolog 1672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#define FUNCTION_FDKepilog 1682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic unsigned char *L1_DATA_A=NULL; 1702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic unsigned char *_a=NULL; 1712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifdef RESOURCE_scratchBuffer 1742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic INT *__scratchBuffer; 1752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic unsigned char *__pScratchBuffer = NULL; 1762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif 1772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifdef __linux__ 1802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include <stdio.h> 1822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include <sys/mman.h> 1832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include <sys/types.h> 1842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include <sys/stat.h> 1852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include <fcntl.h> 1862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#include <unistd.h> 1872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic int fd; 1892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic inline void * getSram(void) 1902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 1912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project unsigned long *ptr = NULL; 1922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 1932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Open driver */ 1942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project fd = open("/dev/sram", 0); 1952228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (fd < 0) 1962228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 1972228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project printf("Unable to open /dev/sram. Fallback to malloc\n"); 1982228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Signal "no sram driver at use". */ 1992228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project fd = -1; 2002228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Return malloced pointer (fallback) */ 2012228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return FDKaalloc(KERNEL_SRAM_SIZE, 8); 2022228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2032228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2042228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Get memory mapped into CPU (virtual) address space */ 2052228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ptr = (unsigned long *)mmap(NULL, KERNEL_SRAM_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0); 2062228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if(ptr == MAP_FAILED) 2072228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 2082228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project printf("Unable to mmap(). Fallback to malloc\n"); 2092228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Give up on the sram driver */ 2102228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project close(fd); 2112228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Signal "no sram driver at use". */ 2122228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project fd = -1; 2132228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Return malloced pointer (fallback) */ 2142228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project ptr = (unsigned long *)FDKaalloc(KERNEL_SRAM_SIZE, 8); 2152228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2162228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2172228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2182228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Return pointer to sram */ 2192228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return (void*)ptr; 2202228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2212228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2222228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic inline void freeSram(void* ptr) 2232228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2242228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Check if sram driver is being used. */ 2252228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (fd == -1) 2262228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 2272228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKafree(ptr); 2282228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return; 2292228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2302228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2312228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Unmap memory */ 2322228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project munmap(ptr, KERNEL_SRAM_SIZE); 2332228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Close driver */ 2342228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project close(fd); 2352228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2362228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return; 2372228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2382228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2392228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#else 2402228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2412228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic inline void * getSram(void) 2422228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2432228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project return FDKaalloc(KERNEL_SRAM_SIZE, 8); 2442228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2452228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectstatic inline void * freeSram(void* ptr) 2462228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2472228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKafree(ptr); 2482228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2492228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2502228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif 2512228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2522228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2532228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifdef FUNCTION_FDKprolog 2542228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid FDKprolog(void) 2552228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2562228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project unsigned char *addr = (unsigned char*)getSram(); 2572228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2582228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2592228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (addr == NULL) 2602228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 2612228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project printf("SRAM allocation failed ! This is fatal.\n"); 2622228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project exit(-1); 2632228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2642228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2652228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifdef RESOURCE_scratchBuffer 2662228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project __scratchBuffer = (INT*) ( addr + (KERNEL_SRAM_SIZE-KERNEL_SCRATCH_SIZE) ); 2672228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project __pScratchBuffer = addr + (KERNEL_SRAM_SIZE); 2682228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif 2692228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2702228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project printf("SRAM @ 0x%08x\n", (unsigned int) addr); 2712228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project atexit(FDKepilog); 2722228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2732228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKprolog_generic(); 2742228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2752228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif 2762228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2772228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#ifdef FUNCTION_FDKepilog 2782228e360595641dd906bf1773307f43d304f5b2The Android Open Source Projectvoid FDKepilog(void) 2792228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project{ 2802228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project /* Because of atexit(), make sure to call this only once */ 2812228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project if (L1_DATA_A != NULL) 2822228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project { 2832228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project freeSram(L1_DATA_A); 2842228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project L1_DATA_A = NULL; 2852228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2862228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project FDKepilog_generic(); 2872228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project } 2882228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project} 2892228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif 2902228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2912228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif /* KERNEL_SRAM > 0 */ 2922228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 2932228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project#endif /* ifdef __arm__ */ 2942228e360595641dd906bf1773307f43d304f5b2The Android Open Source Project 295