diff options
Diffstat (limited to 'include/lib/bakery_lock.h')
| -rw-r--r-- | include/lib/bakery_lock.h | 40 |
1 files changed, 29 insertions, 11 deletions
diff --git a/include/lib/bakery_lock.h b/include/lib/bakery_lock.h index c80082e9b..2d1612e17 100644 --- a/include/lib/bakery_lock.h +++ b/include/lib/bakery_lock.h @@ -4,8 +4,8 @@ * SPDX-License-Identifier: BSD-3-Clause */ -#ifndef __BAKERY_LOCK_H__ -#define __BAKERY_LOCK_H__ +#ifndef BAKERY_LOCK_H +#define BAKERY_LOCK_H #include <platform_def.h> @@ -13,21 +13,39 @@ #ifndef __ASSEMBLY__ #include <cdefs.h> +#include <stdbool.h> #include <stdint.h> +#include <utils_def.h> /***************************************************************************** - * Internal helper macros used by the bakery lock implementation. + * Internal helpers used by the bakery lock implementation. ****************************************************************************/ + /* Convert a ticket to priority */ -#define PRIORITY(t, pos) (((t) << 8) | (pos)) +static inline unsigned int bakery_get_priority(unsigned int t, unsigned int pos) +{ + return (t << 8) | pos; +} + +#define CHOOSING_TICKET U(0x1) +#define CHOSEN_TICKET U(0x0) + +static inline bool bakery_is_choosing(unsigned int info) +{ + return (info & 1U) == CHOOSING_TICKET; +} + +static inline unsigned int bakery_ticket_number(unsigned int info) +{ + return (info >> 1) & 0x7FFFU; +} -#define CHOOSING_TICKET 0x1 -#define CHOSEN_TICKET 0x0 +static inline uint16_t make_bakery_data(unsigned int choosing, unsigned int num) +{ + unsigned int val = (choosing & 0x1U) | (num << 1); -#define bakery_is_choosing(info) (info & 0x1) -#define bakery_ticket_number(info) ((info >> 1) & 0x7FFF) -#define make_bakery_data(choosing, number) \ - (((choosing & 0x1) | (number << 1)) & 0xFFFF) + return (uint16_t) val; +} /***************************************************************************** * External bakery lock interface. @@ -83,4 +101,4 @@ void bakery_lock_release(bakery_lock_t *bakery); #endif /* __ASSEMBLY__ */ -#endif /* __BAKERY_LOCK_H__ */ +#endif /* BAKERY_LOCK_H */ |