17 lines
1 KiB
C
17 lines
1 KiB
C
#ifndef ATOMIC_HELPERS_H
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#define ATOMIC_HELPERS_H
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#define csrr(reg) \
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({ \
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uintptr_t temp; \
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__asm__ volatile("csrr %0, " #reg : "=r"(temp)); \
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temp; \
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})
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#define csrw(reg, val) \
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({ \
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uintptr_t temp = (uintptr_t)val; \
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__asm__ volatile("csrw " #reg ", %0" ::"r"(temp)); \
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})
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#endif
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