diff options
Diffstat (limited to 'inc/definitions.h')
| -rw-r--r-- | inc/definitions.h | 44 |
1 files changed, 42 insertions, 2 deletions
diff --git a/inc/definitions.h b/inc/definitions.h index 1593162..877065e 100644 --- a/inc/definitions.h +++ b/inc/definitions.h @@ -1,10 +1,50 @@ #ifndef DEFINITIONS_H #define DEFINITIONS_H +#include <cmath> /** - * Defines common macros. + * The number of bits to specify a word in a line */ +#define LINE_SPEC 2 +/** + * The total number of words in a line + */ +#define LINE_SIZE (int)pow(2, 2) + +/** + * The number of bits to specify a memory line + * calculated as: (/ (expt 2 15) 4) + */ +#define MEM_SPEC 13 +/** + * The total number of words in memory + */ +#define MEM_SIZE (int)pow(2, MEM_SPEC) + +/** + * The number of bits to specify a l1 cache line + */ +#define L1_CACHE_SPEC 5 +/** + * The total number of words in l1 cache + */ +#define L1_CACHE_SIZE (int)pow(2, L1_CACHE_SPEC) -#define LINE_SIZE 4 +/** + * Return the N least-significant bits from integer K using a bit mask + * @param the integer to be parsed + * @param the number of bits to be parsed + * @return the N least-significant bits from K + */ +#define GET_LS_BITS(k, n) ((k) & ((1 << (n)) - 1)) +/** + * Return the bits from integer K starting at N and ending at M using a bit + * mask + * @param the integer to be parsed + * @param the index of the starting bit to be parsed + * @param the index of the ending bit to be parsed + * @return a section of bits from K + */ +#define GET_MID_BITS(k, m, n) GET_LS_BITS((k) >> (m), ((n) - (m))) #endif /* DEFINITIONS_H_INCLUDED */ |