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
  10 void core_allocator_init(void)
  11 {
  12     buffer_init();
  13     size_t size;
  14     void *start = buffer_get_buffer(&size);
  15     buflib_init(&core_ctx, start, size);
  16     buffer_release_buffer(size);
  17 }
  18
  19 int core_alloc(const char* name, size_t size)
  20 {
  21     return buflib_alloc_ex(&core_ctx, size, name, NULL);
  22 }
  23
  24 int core_alloc_ex(const char* name, size_t size, struct buflib_callbacks *ops)
  25 {
  26     return buflib_alloc_ex(&core_ctx, size, name, ops);
  27 }
  28
  29 size_t core_available(void)
  30 {
  31     return buflib_available(&core_ctx);
  32 }
  33
  34 void core_free(int handle)
  35 {
  36     buflib_free(&core_ctx, handle);
  37 }
  38
  39 int core_alloc_maximum(const char* name, size_t *size, struct buflib_callbacks *ops)
  40 {
  41     return buflib_alloc_maximum(&core_ctx, name, size, ops);
  42 }
  43
  44 bool core_shrink(int handle, void* new_start, size_t new_size)
  45 {
  46     return buflib_shrink(&core_ctx, handle, new_start, new_size);
  47 }
  48
  49 int core_get_num_blocks(void)
  50 {
  51     return buflib_get_num_blocks(&core_ctx);
  52 }
  53
  54 void core_print_block_at(int block_num, char* buf, size_t bufsize)
  55 {
  56     buflib_print_block_at(&core_ctx, block_num, buf, bufsize);
  57 }