| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | |
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| 3 | #include <uapi/asm-generic/errno.h> |
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| 4 | |
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| 5 | typeof(__cvdso_getrandom) __kernel_getrandom; |
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| 6 | |
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| 7 | ssize_t __kernel_getrandom(void *buffer, size_t len, unsigned int flags, void *opaque_state, size_t opaque_len) |
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| 8 | { |
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| 9 | if (alternative_has_cap_likely(ARM64_HAS_FPSIMD)) |
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| 10 | return __cvdso_getrandom(buffer, len, flags, opaque_state, opaque_len); |
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| 11 | |
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| 12 | if (unlikely(opaque_len == ~0UL && !buffer && !len && !flags)) |
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| 13 | return -ENOSYS; |
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| 14 | return getrandom_syscall(buffer, len, flags); |
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| 15 | } |
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| 16 | |
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