405 lines
14 KiB
C
Executable File
405 lines
14 KiB
C
Executable File
#ifndef _CHIPRAM_MALLOC_H__
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#define _CHIPRAM_MALLOC_H__
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/* Preliminaries */
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#ifndef __STD_C
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#ifdef __STDC__
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#define __STD_C 1
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#else
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#if __cplusplus
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#define __STD_C 1
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#else
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#define __STD_C 0
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#endif /*__cplusplus*/
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#endif /*__STDC__*/
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#endif /*__STD_C*/
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#ifndef Void_t
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#if (__STD_C || defined(WIN32))
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#define Void_t void
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#else
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#define Void_t char
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#endif
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#endif /*Void_t*/
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#if __STD_C
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#include <linux/stddef.h> /* for size_t */
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#else
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#include <sys/types.h>
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#endif /* __STD_C */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if 0 /* not for U-Boot */
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#include <stdio.h> /* needed for malloc_stats */
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#endif
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#ifdef DEBUG
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#define assert(x) ((void)(0))
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#else
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#define assert(x) ((void)(0))
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#endif
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#ifndef INTERNAL_SIZE_T
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#define INTERNAL_SIZE_T size_t /* int */
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#endif
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/* #define WIN32 */
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#ifdef WIN32
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#define MORECORE wsbrk
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#define HAVE_MMAP 0 /* memory map */
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#define LACKS_UNISTD_H /* lacks unistd */
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#define LACKS_SYS_PARAM_H
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#define WIN32_LEAN_AND_MEAN /* win32 lean and mean */
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#include <windows.h>
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#endif
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/* HAVE_MEMCPY */
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#define HAVE_MEMCPY /* memcpy */
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#ifndef USE_MEMCPY
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#ifdef HAVE_MEMCPY
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#define USE_MEMCPY 1 /* always 1 */
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#else
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#define USE_MEMCPY 0
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#endif
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#endif
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/* sprd func def */
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#if (__STD_C || defined(HAVE_MEMCPY))
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#if __STD_C
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void* sprd_memset(void*, int, size_t);
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void* sprd_memcpy(void*, const void*, size_t);
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#else /* not standard c */
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#ifdef WIN32
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/* already have def in windows.h */
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#else /* not stand c , not win32*/
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Void_t* sprd_memset();
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Void_t* sprd_memcpy();
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#endif
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#endif
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#endif
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#if USE_MEMCPY
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/* The following macros are only called by (2n+1)-multiples
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INTERNAL_SIZE_T units, a positive integer n. This is being exploited
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When n is very small, it is used for fast inline execution. */
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#define MALLOC_ZERO(charp, mbytes) \
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do { \
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INTERNAL_SIZE_T mzerosz = (mbytes); \
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if(mzerosz <= 9*sizeof(mzerosz)) { \
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INTERNAL_SIZE_T* mz = (INTERNAL_SIZE_T*) (charp); \
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if(mzerosz >= 5*sizeof(mzerosz)) { *mz++ = 0; \
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*mz++ = 0; \
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if(mzerosz >= 7*sizeof(mzerosz)) { *mz++ = 0; \
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*mz++ = 0; \
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if(mzerosz >= 9*sizeof(mzerosz)) { *mz++ = 0; \
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*mz++ = 0; }}} \
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*mz++ = 0; \
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*mz++ = 0; \
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*mz = 0; \
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} else memset((charp), 0, mzerosz); \
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} while(0)
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#define MALLOC_COPY(dest,src,mbytes) \
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do { \
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INTERNAL_SIZE_T mcpysz = (mbytes); \
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if(mcpysz <= 9*sizeof(mcpysz)) { \
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INTERNAL_SIZE_T* mcpysrc = (INTERNAL_SIZE_T*) (src); \
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INTERNAL_SIZE_T* mcpydst = (INTERNAL_SIZE_T*) (dest); \
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if(mcpysz >= 5*sizeof(mcpysz)) { *mcpydst++ = *mcpysrc++; \
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*mcpydst++ = *mcpysrc++; \
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if(mcpysz >= 7*sizeof(mcpysz)) { *mcpydst++ = *mcpysrc++; \
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*mcpydst++ = *mcpysrc++; \
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if(mcpysz >= 9*sizeof(mcpysz)) { *mcpydst++ = *mcpysrc++; \
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*mcpydst++ = *mcpysrc++; }}} \
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*mcpydst++ = *mcpysrc++; \
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*mcpydst++ = *mcpysrc++; \
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*mcpydst = *mcpysrc ; \
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} else sprd_memcpy(dest, src, mcpysz); \
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} while(0)
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#else /* !USE_MEMCPY */
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/* Use Duff's device for good zeroing/copying performance. */
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#define MALLOC_ZERO(charp, mbytes) \
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do { \
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INTERNAL_SIZE_T* mzerop = (INTERNAL_SIZE_T*)(charp); \
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long mctmp = (mbytes)/sizeof(INTERNAL_SIZE_T), mcn; \
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if (mctmp < 8) mcn = 0; else { mcn = (mctmp-1)/8; mctmp %= 8; } \
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switch (mctmp) { \
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case 0: for(;;) { *mzerop++ = 0; \
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case 7: *mzerop++ = 0; \
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case 6: *mzerop++ = 0; \
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case 5: *mzerop++ = 0; \
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case 4: *mzerop++ = 0; \
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case 3: *mzerop++ = 0; \
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case 2: *mzerop++ = 0; \
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case 1: *mzerop++ = 0; if(mcn <= 0) break; mcn--; } \
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} \
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} while(0)
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#define MALLOC_COPY(dest,src,mbytes) \
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do { \
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INTERNAL_SIZE_T* mcpysrc = (INTERNAL_SIZE_T*) src; \
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INTERNAL_SIZE_T* mcpydst = (INTERNAL_SIZE_T*) dest; \
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long mctmp = (mbytes)/sizeof(INTERNAL_SIZE_T), mcn; \
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if (mctmp < 8) mcn = 0; else { mcn = (mctmp-1)/8; mctmp %= 8; } \
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switch (mctmp) { \
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case 0: for(;;) { *mcpydst++ = *mcpysrc++; \
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case 7: *mcpydst++ = *mcpysrc++; \
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case 6: *mcpydst++ = *mcpysrc++; \
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case 5: *mcpydst++ = *mcpysrc++; \
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case 4: *mcpydst++ = *mcpysrc++; \
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case 3: *mcpydst++ = *mcpysrc++; \
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case 2: *mcpydst++ = *mcpysrc++; \
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case 1: *mcpydst++ = *mcpysrc++; if(mcn <= 0) break; mcn--; } \
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} \
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} while(0)
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#endif
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#undef HAVE_MMAP /* Not available for U-Boot */
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#undef HAVE_MREMAP /* Not available for U-Boot */
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#define LACKS_UNISTD_H
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#define malloc_getpagesize (4096)
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#ifndef malloc_getpagesize
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# ifdef _SC_PAGESIZE
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# ifndef _SC_PAGE_SIZE
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# define _SC_PAGE_SIZE _SC_PAGESIZE
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# endif
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# endif
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# ifdef _SC_PAGE_SIZE
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# define malloc_getpagesize sysconf(_SC_PAGE_SIZE)
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# else /* ifdef malloc_getpagesize */
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# if defined(BSD) || defined(DGUX) || defined(HAVE_GETPAGESIZE)
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extern size_t getpagesize();
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# define malloc_getpagesize getpagesize()
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# else /* ifndef BSD DGUX HAVE_GETPAGESIZE */
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# ifdef WIN32
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# define malloc_getpagesize (4096) /* malloc_getpagesize */
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# else /* not win32 */
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# ifndef LACKS_SYS_PARAM_H /* include some file */
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# include <sys/param.h>
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# endif
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# ifdef EXEC_PAGESIZE
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# define malloc_getpagesize EXEC_PAGESIZE /* def malloc_getpagesize */
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# else /* ifndef EXEC_PAGESIZE */
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# ifdef NBPG
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# ifndef CLSIZE
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# define malloc_getpagesize NBPG /* def malloc_getpagesize */
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# else /* ifdef CLSIZE */
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# define malloc_getpagesize (NBPG * CLSIZE) /* def malloc_getpagesize */
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# endif
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# else /* ifndef NBPG */
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# ifdef NBPC
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# define malloc_getpagesize NBPC /* def malloc_getpagesize */
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# else /* ifndef NBPC */
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# ifdef PAGESIZE
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# define malloc_getpagesize PAGESIZE /* def malloc_getpagesize */
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# else /* ifndef PAGESIZE */
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# define malloc_getpagesize (4096) /* not ecactly */
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# endif
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# endif
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# endif
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# endif
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# endif
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# endif
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# endif
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#endif
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#if HAVE_USR_INCLUDE_MALLOC_H
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#include "/usr/include/malloc.h"
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#else
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struct mallinfo {
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int arena;
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int ordblks;
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int smblks; /* always zero */
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int hblks;
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int hblkhd;
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int usmblks; /* always zero */
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int fsmblks; /* always zero */
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int uordblks;
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int fordblks;
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int keepcost;
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};
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#define M_MXFAST 1 /* useless */
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#define M_NLBLKS 2 /* useless */
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#define M_GRAIN 3 /* useless */
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#define M_KEEP 4 /* useless */
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#endif
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#define M_TRIM_THRESHOLD -1 /* actually do something */
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#define M_TOP_PAD -2 /* actually do something */
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#define M_MMAP_THRESHOLD -3 /* actually do something */
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#define M_MMAP_MAX -4 /* actually do something */
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/* DEFAULT_TRIM_THRESHOLD */
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#ifndef DEFAULT_TRIM_THRESHOLD
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#define DEFAULT_TRIM_THRESHOLD ((128) * (1024))
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#endif
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/* DEFAULT_TOP_PAD */
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#ifndef DEFAULT_TOP_PAD
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#define DEFAULT_TOP_PAD (0)
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#endif
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/* DEFAULT_MMAP_THRESHOLD */
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#ifndef DEFAULT_MMAP_THRESHOLD
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#define DEFAULT_MMAP_THRESHOLD ((128) * (1024))
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#endif
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/* DEFAULT_MMAP_MAX */
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#ifndef DEFAULT_MMAP_MAX
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#if HAVE_MMAP
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#define DEFAULT_MMAP_MAX (64)
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#else
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#define DEFAULT_MMAP_MAX (0)
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#endif
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#endif
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#ifdef INTERNAL_LINUX_C_LIB
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#if __STD_C /* stand c*/
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Void_t * __default_morecore_init (ptrdiff_t);
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Void_t *(*__morecore)(ptrdiff_t) = __default_morecore_init;
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#else /* not stand c*/
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Void_t * __default_morecore_init ();
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Void_t *(*__morecore)() = __default_morecore_init;
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#endif
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/* more core defination */
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#define MORECORE (*__morecore)
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#define MORECORE_FAILURE 0
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#define MORECORE_CLEARS 1
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#else /* #ifndef INTERNAL_LINUX_C_LIB */
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#if __STD_C /* stand c */
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extern Void_t* sbrk(ptrdiff_t);
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#else /* not stand c*/
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extern Void_t* sbrk();
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#endif
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/* more core */
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#ifndef MORECORE
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#define MORECORE sbrk
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#endif
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/* more failure */
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#ifndef MORECORE_FAILURE
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#define MORECORE_FAILURE -1
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#endif
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/* more core clears */
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#ifndef MORECORE_CLEARS
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#define MORECORE_CLEARS 1
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#endif
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#endif /* #ifdef INTERNAL_LINUX_C_LIB */
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#if defined(INTERNAL_LINUX_C_LIB) && defined(__ELF__)
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/* use libc def */
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#define cALLOc __libc_calloc /* calloc */
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#define fREe __libc_free /* free */
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#define mALLOc __libc_malloc /* malloc */
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#define mEMALIGn __libc_memalign /* memalign */
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#define rEALLOc __libc_realloc /* realloc */
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#define vALLOc __libc_valloc /* valloc */
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#define pvALLOc __libc_pvalloc /* pvalloc */
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#define mALLINFo __libc_mallinfo /* mallinfo */
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#define mALLOPt __libc_mallopt /* mallopt */
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#pragma weak calloc = __libc_calloc /* calloc */
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#pragma weak free = __libc_free /* free */
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#pragma weak cfree = __libc_free /* cfree */
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#pragma weak malloc = __libc_malloc /* malloc */
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#pragma weak memalign = __libc_memalign /* memalign */
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#pragma weak realloc = __libc_realloc /* realloc */
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#pragma weak valloc = __libc_valloc /* valloc */
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#pragma weak pvalloc = __libc_pvalloc /* pvalloc */
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#pragma weak mallinfo = __libc_mallinfo /* mallinfo */
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#pragma weak mallopt = __libc_mallopt /* mallopt */
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#else
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#ifdef USE_DL_PREFIX
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#define cALLOc dlcalloc /* calloc */
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#define fREe dlfree /* free */
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#define mALLOc dlmalloc /* malloc */
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#define mEMALIGn dlmemalign /* memalign */
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#define rEALLOc dlrealloc /* realloc */
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#define vALLOc dlvalloc /* valloc */
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#define pvALLOc dlpvalloc /* pvalloc */
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#define mALLINFo dlmallinfo /* mallinfo */
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#define mALLOPt dlmallopt /* malloppt */
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#else /* #ifndef USE_DL_PREFIX */
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#define cALLOc calloc /* calloc */
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#define fREe free /* free */
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#define mALLOc malloc /* malloc */
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#define mEMALIGn memalign /* memalign */
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#define rEALLOc realloc /* realloc */
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#define vALLOc valloc /* valloc */
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#define pvALLOc pvalloc /* pvalloc */
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#define mALLINFo mallinfo /* mallinfo */
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#define mALLOPt mallopt /* mallopt */
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#endif /* USE_DL_PREFIX */
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#endif /* defined(INTERNAL_LINUX_C_LIB) && defined(__ELF__) */
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#if __STD_C
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/*stand c */
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Void_t* mALLOc(size_t); /* malloc */
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void fREe(Void_t*); /* free */
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Void_t* rEALLOc(Void_t*, size_t); /* realloc */
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Void_t* mEMALIGn(size_t, size_t); /* memalign */
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Void_t* vALLOc(size_t); /* valloc */
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Void_t* pvALLOc(size_t); /* pvalloc */
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Void_t* cALLOc(size_t, size_t); /* calloc */
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void cfree(Void_t*); /* cfree */
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int malloc_trim(size_t); /* malloc trim */
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size_t malloc_usable_size(Void_t*); /* malloc useable size */
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void malloc_stats(void); /* status */
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int mALLOPt(int, int); /* mallopt */
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struct mallinfo mALLINFo(void); /* malloc info */
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#else
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/* not stand c */
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Void_t* mALLOc(); /* malloc */
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void fREe(); /* free */
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Void_t* rEALLOc(); /* realloc */
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Void_t* mEMALIGn();
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Void_t* vALLOc();
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Void_t* pvALLOc(); /* pvalloc */
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Void_t* cALLOc();
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void cfree(); /* cfree */
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int malloc_trim();
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size_t malloc_usable_size();
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void malloc_stats();
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int mALLOPt();
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struct mallinfo mALLINFo(); /* malloc info */
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#endif
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/*
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* begin end and current of malloc area
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*/
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extern ulong mem_malloc_start;
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extern ulong mem_malloc_end;
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extern ulong mem_malloc_brk;
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/* mem init */
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void mem_malloc_init(ulong start, ulong size);
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#ifdef __cplusplus
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}; /* end of extern "C" */
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#endif
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#endif /*_CHIPRAM_MALLOC_H__ */
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