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// SPDX-License-Identifier: GPL-2.0-only #include <asm/csr.h> #include <linux/processor.h> #include "pi.h" /* * To avoid rewriting code include asm/archrandom.h and create macros * for the functions that won't be included. */ #undef riscv_has_extension_unlikely #define riscv_has_extension_likely(...) false #undef pr_err_once #define pr_err_once(...) #include <asm/archrandom.h> u64 get_kaslr_seed_zkr(const uintptr_t dtb_pa) { unsigned long seed = 0; if (!fdt_early_match_extension_isa((const void *)dtb_pa, "zkr")) return 0; if (!csr_seed_long(&seed)) return 0; return seed; }