diff options
Diffstat (limited to 'arch/loongarch/kernel/jump_label.c')
-rw-r--r-- | arch/loongarch/kernel/jump_label.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/loongarch/kernel/jump_label.c b/arch/loongarch/kernel/jump_label.c new file mode 100644 index 0000000000..31891214b7 --- /dev/null +++ b/arch/loongarch/kernel/jump_label.c @@ -0,0 +1,22 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2023 Loongson Technology Corporation Limited + * + * Based on arch/arm64/kernel/jump_label.c + */ +#include <linux/kernel.h> +#include <linux/jump_label.h> +#include <asm/inst.h> + +void arch_jump_label_transform(struct jump_entry *entry, enum jump_label_type type) +{ + u32 insn; + void *addr = (void *)jump_entry_code(entry); + + if (type == JUMP_LABEL_JMP) + insn = larch_insn_gen_b(jump_entry_code(entry), jump_entry_target(entry)); + else + insn = larch_insn_gen_nop(); + + larch_insn_patch_text(addr, insn); +} |