diff options
Diffstat (limited to 'deps/sysobj_early/include')
| -rw-r--r-- | deps/sysobj_early/include/cpubits.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/deps/sysobj_early/include/cpubits.h b/deps/sysobj_early/include/cpubits.h new file mode 100644 index 00000000..a7effbf1 --- /dev/null +++ b/deps/sysobj_early/include/cpubits.h @@ -0,0 +1,34 @@ +/* + * rpiz - https://github.com/bp0/rpiz + * Copyright (C) 2017 Burt P. <pburt0@gmail.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#include <stdint.h> + +typedef uint32_t cpubits; +uint32_t cpubits_count(cpubits *b); +int cpubits_min(cpubits *b); +int cpubits_max(cpubits *b); +int cpubits_next(cpubits *b, int start, int end); +cpubits *cpubits_from_str(char *str); +char *cpubits_to_str(cpubits *bits, char *str, int max_len); + +#define CPUBITS_SIZE 4096 /* bytes, multiple of sizeof(uint32_t) */ +#define CPUBIT_SET(BITS, BIT) (BITS[BIT/32] |= (1 << BIT%32)) +#define CPUBIT_GET(BITS, BIT) ((BITS[BIT/32] & (1 << BIT%32)) >> BIT%32) +#define CPUBITS_CLEAR(BITS) memset(BITS, 0, CPUBITS_SIZE) |