/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2025 Xi Ruoyao <xry111@xry111.site>. All Rights Reserved. */ #ifndef __ASM_VDSO_GETRANDOM_H #define __ASM_VDSO_GETRANDOM_H #ifndef __ASSEMBLER__ #include <asm/unistd.h> static __always_inline ssize_t getrandom_syscall(void *_buffer, size_t _len, unsigned int _flags) { register long ret asm("a0"); register long nr asm("a7") = __NR_getrandom; register void *buffer asm("a0") = _buffer; register size_t len asm("a1") = _len; register unsigned int flags asm("a2") = _flags; asm volatile ("ecall\n" : "=r" (ret) : "r" (nr), "r" (buffer), "r" (len), "r" (flags) : "memory"); return ret; } #endif /* !__ASSEMBLER__ */ #endif /* __ASM_VDSO_GETRANDOM_H */