a11c6a532b
These 256K are intended to account for the binary size which reduces the total available RAM on native targets. 256K is really outdated though, 768K should be more accurate (for the majority of targets). Change-Id: Iab3ee51d42ae15b1b7efb8588881579cf1948ae7
106 lines
2.3 KiB
C
106 lines
2.3 KiB
C
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#include "config.h"
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#include <string.h>
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#include "system.h"
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#include "core_alloc.h"
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#include "buflib.h"
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/* not static so it can be discovered by core_get_data() */
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struct buflib_context core_ctx;
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/* defined in linker script */
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#if (CONFIG_PLATFORM & PLATFORM_NATIVE) && !defined(__PCTOOL__)
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#if defined(IPOD_VIDEO) && !defined(BOOTLOADER)
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extern unsigned char *audiobufend_lds[];
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unsigned char *audiobufend;
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#else /* !IPOD_VIDEO */
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extern unsigned char audiobufend[];
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#endif
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/* defined in linker script */
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extern unsigned char audiobuffer[];
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#else /* PLATFORM_HOSTED */
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unsigned char audiobuffer[((MEMORYSIZE)*1024-768)*1024];
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unsigned char *audiobufend = audiobuffer + sizeof(audiobuffer);
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extern unsigned char *audiobufend;
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#endif
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/* debug test alloc */
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static int test_alloc;
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void core_allocator_init(void)
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{
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unsigned char *start = ALIGN_UP(audiobuffer, sizeof(intptr_t));
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#if defined(IPOD_VIDEO) && !defined(BOOTLOADER) && !defined(SIMULATOR)
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audiobufend=(unsigned char *)audiobufend_lds;
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if(MEMORYSIZE==64 && probed_ramsize!=64)
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{
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audiobufend -= (32<<20);
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}
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#endif
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buflib_init(&core_ctx, start, audiobufend - start);
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test_alloc = core_alloc("test", 112);
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}
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bool core_test_free(void)
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{
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bool ret = test_alloc > 0;
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if (ret)
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test_alloc = core_free(test_alloc);
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return ret;
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}
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int core_alloc(const char* name, size_t size)
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{
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return buflib_alloc_ex(&core_ctx, size, name, NULL);
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}
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int core_alloc_ex(const char* name, size_t size, struct buflib_callbacks *ops)
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{
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return buflib_alloc_ex(&core_ctx, size, name, ops);
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}
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size_t core_available(void)
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{
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return buflib_available(&core_ctx);
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}
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size_t core_allocatable(void)
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{
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return buflib_allocatable(&core_ctx);
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}
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int core_free(int handle)
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{
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return buflib_free(&core_ctx, handle);
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}
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int core_alloc_maximum(const char* name, size_t *size, struct buflib_callbacks *ops)
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{
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return buflib_alloc_maximum(&core_ctx, name, size, ops);
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}
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bool core_shrink(int handle, void* new_start, size_t new_size)
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{
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return buflib_shrink(&core_ctx, handle, new_start, new_size);
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}
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int core_get_num_blocks(void)
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{
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return buflib_get_num_blocks(&core_ctx);
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}
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void core_print_block_at(int block_num, char* buf, size_t bufsize)
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{
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buflib_print_block_at(&core_ctx, block_num, buf, bufsize);
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}
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#ifdef DEBUG
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void core_check_valid(void)
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{
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buflib_check_valid(&core_ctx);
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}
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#endif
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