diff options
Diffstat (limited to 'arch/mips/include/asm/jump_label.h')
| -rw-r--r-- | arch/mips/include/asm/jump_label.h | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/arch/mips/include/asm/jump_label.h b/arch/mips/include/asm/jump_label.h index e77672539e8e..c1508f88e03e 100644 --- a/arch/mips/include/asm/jump_label.h +++ b/arch/mips/include/asm/jump_label.h @@ -8,9 +8,15 @@ #ifndef _ASM_MIPS_JUMP_LABEL_H #define _ASM_MIPS_JUMP_LABEL_H -#ifndef __ASSEMBLY__ +#define arch_jump_label_transform_static arch_jump_label_transform + +#ifndef __ASSEMBLER__ #include <linux/types.h> +#include <asm/isa-rev.h> + +struct module; +extern void jump_label_apply_nops(struct module *mod); #define JUMP_LABEL_NOP_SIZE 4 @@ -21,15 +27,20 @@ #endif #ifdef CONFIG_CPU_MICROMIPS -#define NOP_INSN "nop32" +# define B_INSN "b32" +# define J_INSN "j32" +#elif MIPS_ISA_REV >= 6 +# define B_INSN "bc" +# define J_INSN "bc" #else -#define NOP_INSN "nop" +# define B_INSN "b" +# define J_INSN "j" #endif static __always_inline bool arch_static_branch(struct static_key *key, bool branch) { - asm_volatile_goto("1:\t" NOP_INSN "\n\t" - "nop\n\t" + asm goto("1:\t" B_INSN " 2f\n\t" + "2:\t.insn\n\t" ".pushsection __jump_table, \"aw\"\n\t" WORD_INSN " 1b, %l[l_yes], %0\n\t" ".popsection\n\t" @@ -42,8 +53,7 @@ l_yes: static __always_inline bool arch_static_branch_jump(struct static_key *key, bool branch) { - asm_volatile_goto("1:\tj %l[l_yes]\n\t" - "nop\n\t" + asm goto("1:\t" J_INSN " %l[l_yes]\n\t" ".pushsection __jump_table, \"aw\"\n\t" WORD_INSN " 1b, %l[l_yes], %0\n\t" ".popsection\n\t" @@ -66,5 +76,5 @@ struct jump_entry { jump_label_t key; }; -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_MIPS_JUMP_LABEL_H */ |