diff options
Diffstat (limited to 'core/riscv-rv32i/atomic.h')
| -rw-r--r-- | core/riscv-rv32i/atomic.h | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/core/riscv-rv32i/atomic.h b/core/riscv-rv32i/atomic.h index 8dec97df48..c8baf9d42b 100644 --- a/core/riscv-rv32i/atomic.h +++ b/core/riscv-rv32i/atomic.h @@ -15,92 +15,36 @@ typedef int atomic_t; typedef atomic_t atomic_val_t; -#define ATOMIC_OP(op, value, addr) \ -({ \ - uint32_t tmp; \ - asm volatile ( \ - "amo" #op ".w.aqrl %0, %2, %1" \ - : "=r" (tmp), "+A" (*addr) \ - : "r" (value)); \ - tmp; \ -}) - -/* - * The atomic_* functions are marked as deprecated as a part of the process of - * transaction to Zephyr compatible atomic functions. These prefixes will be - * removed in the following patches. Please see b:169151160 for more details. - */ - -static inline void deprecated_atomic_clear_bits(volatile uint32_t *addr, - uint32_t bits) -{ - ATOMIC_OP(and, ~bits, addr); -} - static inline void atomic_clear_bits(atomic_t *addr, atomic_val_t bits) { __atomic_fetch_and(addr, ~bits, __ATOMIC_SEQ_CST); } -static inline void deprecated_atomic_or(volatile uint32_t *addr, uint32_t bits) -{ - ATOMIC_OP(or, bits, addr); -} - static inline atomic_val_t atomic_or(atomic_t *addr, atomic_val_t bits) { return __atomic_fetch_or(addr, bits, __ATOMIC_SEQ_CST); } -static inline void deprecated_atomic_add(volatile uint32_t *addr, - uint32_t value) -{ - ATOMIC_OP(add, value, addr); -} - static inline atomic_val_t atomic_add(atomic_t *addr, atomic_val_t value) { return __atomic_fetch_add(addr, value, __ATOMIC_SEQ_CST); } -static inline void deprecated_atomic_sub(volatile uint32_t *addr, - uint32_t value) -{ - ATOMIC_OP(add, -value, addr); -} - static inline atomic_val_t atomic_sub(atomic_t *addr, atomic_val_t value) { return __atomic_fetch_sub(addr, value, __ATOMIC_SEQ_CST); } -static inline uint32_t deprecated_atomic_read_clear(volatile uint32_t *addr) -{ - return ATOMIC_OP(and, 0, addr); -} - static inline atomic_val_t atomic_read_clear(atomic_t *addr) { return __atomic_exchange_n(addr, 0, __ATOMIC_SEQ_CST); } -static inline uint32_t deprecated_atomic_read_add(volatile uint32_t *addr, - uint32_t value) -{ - return ATOMIC_OP(add, value, addr); -} - static inline atomic_val_t atomic_read_add(atomic_t *addr, atomic_val_t value) { return __atomic_fetch_add(addr, value, __ATOMIC_SEQ_CST); } -static inline uint32_t deprecated_atomic_read_sub(volatile uint32_t *addr, - uint32_t value) -{ - return ATOMIC_OP(add, -value, addr); -} - static inline atomic_val_t atomic_read_sub(atomic_t *addr, atomic_val_t value) { return __atomic_fetch_sub(addr, value, __ATOMIC_SEQ_CST); |