19 lines
564 B
C
19 lines
564 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef _ASM_RISCV_FENCE_H
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#define _ASM_RISCV_FENCE_H
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#define RISCV_FENCE_ASM(p, s) "\tfence " #p "," #s "\n"
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#define RISCV_FENCE(p, s) \
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({ __asm__ __volatile__ (RISCV_FENCE_ASM(p, s) : : : "memory"); })
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#ifdef CONFIG_SMP
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#define RISCV_ACQUIRE_BARRIER RISCV_FENCE_ASM(r, rw)
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#define RISCV_RELEASE_BARRIER RISCV_FENCE_ASM(rw, w)
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#define RISCV_FULL_BARRIER RISCV_FENCE_ASM(rw, rw)
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#else
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#define RISCV_ACQUIRE_BARRIER
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#define RISCV_RELEASE_BARRIER
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#define RISCV_FULL_BARRIER
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#endif
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#endif /* _ASM_RISCV_FENCE_H */
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