diff options
Diffstat (limited to 'src/include/cbmem.h')
| -rw-r--r-- | src/include/cbmem.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/include/cbmem.h b/src/include/cbmem.h index 07e5645397..08c1d647bd 100644 --- a/src/include/cbmem.h +++ b/src/include/cbmem.h @@ -146,12 +146,30 @@ struct cbmem_entry; */ #define DYN_CBMEM_ALIGN_SIZE (4096) +#define CBMEM_ROOT_SIZE DYN_CBMEM_ALIGN_SIZE + +/* The root region is at least DYN_CBMEM_ALIGN_SIZE . */ +#define CBMEM_ROOT_MIN_SIZE DYN_CBMEM_ALIGN_SIZE +#define CBMEM_LG_ALIGN CBMEM_ROOT_MIN_SIZE + +/* Small allocation parameters. */ +#define CBMEM_SM_ROOT_SIZE 1024 +#define CBMEM_SM_ALIGN 32 + +/* Determine the size for CBMEM root and the small allocations */ +static inline size_t cbmem_overhead_size(void) +{ + return 2 * CBMEM_ROOT_MIN_SIZE; +} /* By default cbmem is attempted to be recovered. Returns 0 if cbmem was * recovered or 1 if cbmem had to be reinitialized. */ int cbmem_initialize(void); +int cbmem_initialize_id_size(u32 id, u64 size); + /* Initialize cbmem to be empty. */ void cbmem_initialize_empty(void); +void cbmem_initialize_empty_id_size(u32 id, u64 size); /* Return the top address for dynamic cbmem. The address returned needs to * be consistent across romstage and ramstage, and it is required to be |