rockbox/lib/rbcodec/codecs/libtremor/oggmalloc.c
Sean Bartell f40bfc9267 Add codecs to librbcodec.
Change-Id: Id7f4717d51ed02d67cb9f9cb3c0ada4a81843f97
Reviewed-on: http://gerrit.rockbox.org/137
Reviewed-by: Nils Wallménius <nils@rockbox.org>
Tested-by: Nils Wallménius <nils@rockbox.org>
2012-04-25 22:13:20 +02:00

86 lines
1.6 KiB
C

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