d51e598335
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31088 a1c6a512-1295-4272-9138-f99709370657
93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
|
|
#include "config.h"
|
|
#include <string.h>
|
|
#include "system.h"
|
|
#include "core_alloc.h"
|
|
#include "buflib.h"
|
|
|
|
/* not static so it can be discovered by core_get_data() */
|
|
struct buflib_context core_ctx;
|
|
|
|
/* defined in linker script */
|
|
#if (CONFIG_PLATFORM & PLATFORM_NATIVE)
|
|
#if defined(IPOD_VIDEO) && !defined(BOOTLOADER)
|
|
extern unsigned char *audiobufend_lds[];
|
|
unsigned char *audiobufend;
|
|
#else /* !IPOD_VIDEO */
|
|
extern unsigned char audiobufend[];
|
|
#endif
|
|
/* defined in linker script */
|
|
extern unsigned char audiobuffer[];
|
|
#else /* PLATFORM_HOSTED */
|
|
unsigned char audiobuffer[(MEMORYSIZE*1024-256)*1024];
|
|
unsigned char *audiobufend = audiobuffer + sizeof(audiobuffer);
|
|
extern unsigned char *audiobufend;
|
|
#endif
|
|
|
|
/* debug test alloc */
|
|
static int test_alloc;
|
|
void core_allocator_init(void)
|
|
{
|
|
unsigned char *start = ALIGN_UP(audiobuffer, sizeof(intptr_t));
|
|
|
|
#if defined(IPOD_VIDEO) && !defined(BOOTLOADER) && !defined(SIMULATOR)
|
|
audiobufend=(unsigned char *)audiobufend_lds;
|
|
if(MEMORYSIZE==64 && probed_ramsize!=64)
|
|
{
|
|
audiobufend -= (32<<20);
|
|
}
|
|
#endif
|
|
|
|
buflib_init(&core_ctx, start, audiobufend - start);
|
|
|
|
test_alloc = core_alloc("test", 112);
|
|
}
|
|
|
|
bool core_test_free(void)
|
|
{
|
|
bool ret = test_alloc > 0;
|
|
if (ret)
|
|
test_alloc = core_free(test_alloc);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int core_alloc(const char* name, size_t size)
|
|
{
|
|
return buflib_alloc_ex(&core_ctx, size, name, NULL);
|
|
}
|
|
|
|
int core_alloc_ex(const char* name, size_t size, struct buflib_callbacks *ops)
|
|
{
|
|
return buflib_alloc_ex(&core_ctx, size, name, ops);
|
|
}
|
|
|
|
size_t core_available(void)
|
|
{
|
|
return buflib_available(&core_ctx);
|
|
}
|
|
|
|
int core_free(int handle)
|
|
{
|
|
return buflib_free(&core_ctx, handle);
|
|
}
|
|
|
|
int core_alloc_maximum(const char* name, size_t *size, struct buflib_callbacks *ops)
|
|
{
|
|
return buflib_alloc_maximum(&core_ctx, name, size, ops);
|
|
}
|
|
|
|
bool core_shrink(int handle, void* new_start, size_t new_size)
|
|
{
|
|
return buflib_shrink(&core_ctx, handle, new_start, new_size);
|
|
}
|
|
|
|
int core_get_num_blocks(void)
|
|
{
|
|
return buflib_get_num_blocks(&core_ctx);
|
|
}
|
|
|
|
void core_print_block_at(int block_num, char* buf, size_t bufsize)
|
|
{
|
|
buflib_print_block_at(&core_ctx, block_num, buf, bufsize);
|
|
}
|