firmware/core_alloc.c

   1
   2 #include <string.h>
   3 #include "core_alloc.h"
   4 #include "buflib.h"
   5 #include "buffer.h"
   6
   7 /* not static so it can be discovered by core_get_data() */
   8 struct buflib_context core_ctx;
   9 void core_allocator_init(void)
  10 {
  11     buffer_init();
  12     size_t size;
  13     void *start = buffer_get_buffer(&size);
  14     buflib_init(&core_ctx, start, size);
  15     buffer_release_buffer(size);
  16 }
  17
  18 int core_alloc(const char* name, size_t size)
  19 {
  20     return buflib_alloc_ex(&core_ctx, size, name, NULL);
  21 }
  22
  23 int core_alloc_ex(const char* name, size_t size, struct buflib_callbacks *ops)
  24 {
  25     return buflib_alloc_ex(&core_ctx, size, name, ops);
  26 }
  27
  28 size_t core_available(void)
  29 {
  30     return buflib_available(&core_ctx);
  31 }
  32
  33 int core_free(int handle)
  34 {
  35     return buflib_free(&core_ctx, handle);
  36 }
  37
  38 int core_alloc_maximum(const char* name, size_t *size, struct buflib_callbacks *ops)
  39 {
  40     return buflib_alloc_maximum(&core_ctx, name, size, ops);
  41 }
  42
  43 bool core_shrink(int handle, void* new_start, size_t new_size)
  44 {
  45     return buflib_shrink(&core_ctx, handle, new_start, new_size);
  46 }
  47
  48 int core_get_num_blocks(void)
  49 {
  50     return buflib_get_num_blocks(&core_ctx);
  51 }
  52
  53 void core_print_block_at(int block_num, char* buf, size_t bufsize)
  54 {
  55     buflib_print_block_at(&core_ctx, block_num, buf, bufsize);
  56 }