| 1 | // SPDX-License-Identifier: GPL-2.0-only |
|---|---|
| 2 | /* |
| 3 | * Copyright (C) 2023 Loongson Technology Corporation Limited |
| 4 | * |
| 5 | * Based on arch/arm64/kernel/jump_label.c |
| 6 | */ |
| 7 | #include <linux/kernel.h> |
| 8 | #include <linux/jump_label.h> |
| 9 | #include <asm/inst.h> |
| 10 | |
| 11 | void arch_jump_label_transform(struct jump_entry *entry, enum jump_label_type type) |
| 12 | { |
| 13 | u32 insn; |
| 14 | void *addr = (void *)jump_entry_code(entry); |
| 15 | |
| 16 | if (type == JUMP_LABEL_JMP) |
| 17 | insn = larch_insn_gen_b(jump_entry_code(entry), jump_entry_target(entry)); |
| 18 | else |
| 19 | insn = larch_insn_gen_nop(); |
| 20 | |
| 21 | larch_insn_patch_text(addr, insn); |
| 22 | } |
| 23 |