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/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#include "mem_alloc.h"
#if DEFAULT_MEM_ALLOCATOR == MEM_ALLOCATOR_EMS
#include "ems/ems_gc.h"
mem_allocator_t
mem_allocator_create(void *mem, uint32_t size)
{
return gc_init_with_pool((char *)mem, size);
}
mem_allocator_t
mem_allocator_create_with_struct_and_pool(void *struct_buf,
uint32_t struct_buf_size,
void *pool_buf,
uint32_t pool_buf_size)
{
return gc_init_with_struct_and_pool((char *)struct_buf, struct_buf_size,
pool_buf, pool_buf_size);
}
int
mem_allocator_destroy(mem_allocator_t allocator)
{
return gc_destroy_with_pool((gc_handle_t)allocator);
}
uint32
mem_allocator_get_heap_struct_size()
{
return gc_get_heap_struct_size();
}
void *
mem_allocator_malloc(mem_allocator_t allocator, uint32_t size)
{
return gc_alloc_vo((gc_handle_t)allocator, size);
}
void *
mem_allocator_realloc(mem_allocator_t allocator, void *ptr, uint32_t size)
{
return gc_realloc_vo((gc_handle_t)allocator, ptr, size);
}
void
mem_allocator_free(mem_allocator_t allocator, void *ptr)
{
if (ptr)
gc_free_vo((gc_handle_t)allocator, ptr);
}
int
mem_allocator_migrate(mem_allocator_t allocator, char *pool_buf_new,
uint32 pool_buf_size)
{
return gc_migrate((gc_handle_t)allocator, pool_buf_new, pool_buf_size);
}
bool
mem_allocator_is_heap_corrupted(mem_allocator_t allocator)
{
return gc_is_heap_corrupted((gc_handle_t)allocator);
}
bool
mem_allocator_get_alloc_info(mem_allocator_t allocator, void *mem_alloc_info)
{
gc_heap_stats((gc_handle_t)allocator, mem_alloc_info, 3);
return true;
}
#else /* else of DEFAULT_MEM_ALLOCATOR */
#include "tlsf/tlsf.h"
typedef struct mem_allocator_tlsf {
tlsf_t tlsf;
korp_mutex lock;
} mem_allocator_tlsf;
mem_allocator_t
mem_allocator_create(void *mem, uint32_t size)
{
mem_allocator_tlsf *allocator_tlsf;
tlsf_t tlsf;
char *mem_aligned = (char *)(((uintptr_t)mem + 3) & ~3);
if (size < 1024) {
printf("Create mem allocator failed: pool size must be "
"at least 1024 bytes.\n");
return NULL;
}
size -= mem_aligned - (char *)mem;
mem = (void *)mem_aligned;
tlsf = tlsf_create_with_pool(mem, size);
if (!tlsf) {
printf("Create mem allocator failed: tlsf_create_with_pool failed.\n");
return NULL;
}
allocator_tlsf = tlsf_malloc(tlsf, sizeof(mem_allocator_tlsf));
if (!allocator_tlsf) {
printf("Create mem allocator failed: tlsf_malloc failed.\n");
tlsf_destroy(tlsf);
return NULL;
}
allocator_tlsf->tlsf = tlsf;
if (os_mutex_init(&allocator_tlsf->lock)) {
printf("Create mem allocator failed: tlsf_malloc failed.\n");
tlsf_free(tlsf, allocator_tlsf);
tlsf_destroy(tlsf);
return NULL;
}
return allocator_tlsf;
}
void
mem_allocator_destroy(mem_allocator_t allocator)
{
mem_allocator_tlsf *allocator_tlsf = (mem_allocator_tlsf *)allocator;
tlsf_t tlsf = allocator_tlsf->tlsf;
os_mutex_destroy(&allocator_tlsf->lock);
tlsf_free(tlsf, allocator_tlsf);
tlsf_destroy(tlsf);
}
void *
mem_allocator_malloc(mem_allocator_t allocator, uint32_t size)
{
void *ret;
mem_allocator_tlsf *allocator_tlsf = (mem_allocator_tlsf *)allocator;
if (size == 0)
/* tlsf doesn't allow to allocate 0 byte */
size = 1;
os_mutex_lock(&allocator_tlsf->lock);
ret = tlsf_malloc(allocator_tlsf->tlsf, size);
os_mutex_unlock(&allocator_tlsf->lock);
return ret;
}
void *
mem_allocator_realloc(mem_allocator_t allocator, void *ptr, uint32_t size)
{
void *ret;
mem_allocator_tlsf *allocator_tlsf = (mem_allocator_tlsf *)allocator;
if (size == 0)
/* tlsf doesn't allow to allocate 0 byte */
size = 1;
os_mutex_lock(&allocator_tlsf->lock);
ret = tlsf_realloc(allocator_tlsf->tlsf, ptr, size);
os_mutex_unlock(&allocator_tlsf->lock);
return ret;
}
void
mem_allocator_free(mem_allocator_t allocator, void *ptr)
{
if (ptr) {
mem_allocator_tlsf *allocator_tlsf = (mem_allocator_tlsf *)allocator;
os_mutex_lock(&allocator_tlsf->lock);
tlsf_free(allocator_tlsf->tlsf, ptr);
os_mutex_unlock(&allocator_tlsf->lock);
}
}
int
mem_allocator_migrate(mem_allocator_t allocator, mem_allocator_t allocator_old)
{
return tlsf_migrate((mem_allocator_tlsf *)allocator,
(mem_allocator_tlsf *)allocator_old);
}
#endif /* end of DEFAULT_MEM_ALLOCATOR */
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