arch/loongarch/kernel/jump_label.c

   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 }