1 | // SPDX-License-Identifier: GPL-2.0-only |
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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 |