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