e720724b95
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29833 a1c6a512-1295-4272-9138-f99709370657
84 lines
1.6 KiB
C
84 lines
1.6 KiB
C
#include "os_types.h"
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#include "../lib/tlsf/src/tlsf.h"
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#if defined(CPU_ARM) || defined(CPU_COLDFIRE) || defined(CPU_MIPS)
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#include <setjmp.h>
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extern jmp_buf rb_jump_buf;
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#define LONGJMP(x) longjmp(rb_jump_buf, x)
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#elif defined(SIMULATOR)
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#define LONGJMP(x) do { DEBUGF("Vorbis: allocation failed!\n"); return NULL; } while (false)
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#else
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#define LONGJMP(x) return NULL
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#endif
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void ogg_malloc_init(void)
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{
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size_t bufsize;
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void* buf = ci->codec_get_buffer(&bufsize);
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init_memory_pool(bufsize, buf);
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}
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void ogg_malloc_destroy()
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{
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size_t bufsize;
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void* buf = ci->codec_get_buffer(&bufsize);
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destroy_memory_pool(buf);
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}
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void *ogg_malloc(size_t size)
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{
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void* x = tlsf_malloc(size);
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if (x == NULL)
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LONGJMP(1);
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return x;
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}
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void *ogg_calloc(size_t nmemb, size_t size)
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{
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void *x = tlsf_calloc(nmemb, size);
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if (x == NULL)
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LONGJMP(1);
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return x;
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}
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void *ogg_realloc(void *ptr, size_t size)
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{
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void *x = tlsf_realloc(ptr, size);
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if (x == NULL)
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LONGJMP(1);
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return x;
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}
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void ogg_free(void* ptr)
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{
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tlsf_free(ptr);
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}
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/* Allocate IRAM buffer */
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static unsigned char iram_buff[IRAM_IBSS_SIZE] IBSS_ATTR MEM_ALIGN_ATTR;
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static size_t iram_remain;
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void iram_malloc_init(void){
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iram_remain=IRAM_IBSS_SIZE;
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}
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void *iram_malloc(size_t size){
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void* x;
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/* always ensure alignment to CACHEALIGN_SIZE byte */
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size = (size + (CACHEALIGN_SIZE-1)) & ~(CACHEALIGN_SIZE-1);
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if(size>iram_remain)
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return NULL;
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x = &iram_buff[IRAM_IBSS_SIZE-iram_remain];
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iram_remain-=size;
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return x;
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}
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