mirror of
https://github.com/AsahiLinux/u-boot
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551de2169a
Add implementations of the local_irq_{save,restore} macros so that
<asm/atomic.h> can be used with riscv.
Signed-off-by: Ben Dooks <ben.dooks@sifive.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
31 lines
821 B
C
31 lines
821 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2017 Andes Technology Corporation
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* Rick Chen, Andes Technology Corporation <rick@andestech.com>
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*/
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#ifndef __ASM_RISCV_SYSTEM_H
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#define __ASM_RISCV_SYSTEM_H
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#include <asm/csr.h>
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struct event;
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/*
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* Interupt configuration macros
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*/
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#define local_irq_save(__flags) \
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do { \
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__flags = csr_read_clear(CSR_SSTATUS, SR_SIE) & SR_SIE; \
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} while (0)
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#define local_irq_restore(__flags) \
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do { \
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csr_set(CSR_SSTATUS, __flags & SR_SIE); \
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} while (0)
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/* Hook to set up the CPU (called from SPL too) */
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int riscv_cpu_setup(void *ctx, struct event *event);
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#endif /* __ASM_RISCV_SYSTEM_H */
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