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