/* SPDX-License-Identifier: GPL-2.0-only */

#ifndef __ASM_CSKY_JUMP_LABEL_H
#define __ASM_CSKY_JUMP_LABEL_H

#ifndef __ASSEMBLER__

#include <linux/types.h>

#define JUMP_LABEL_NOP_SIZE 4

static __always_inline bool arch_static_branch(struct static_key *key,
                                               bool branch)
{
        asm goto(
                "1:     nop32                                   \n"
                "       .pushsection    __jump_table, \"aw\"    \n"
                "       .align          2                       \n"
                "       .long           1b - ., %l[label] - .   \n"
                "       .long           %0 - .                  \n"
                "       .popsection                             \n"
                :  :  "i"(&((char *)key)[branch]) :  : label);

        return false;
label:
        return true;
}

static __always_inline bool arch_static_branch_jump(struct static_key *key,
                                                    bool branch)
{
        asm goto(
                "1:     bsr32           %l[label]               \n"
                "       .pushsection    __jump_table, \"aw\"    \n"
                "       .align          2                       \n"
                "       .long           1b - ., %l[label] - .   \n"
                "       .long           %0 - .                  \n"
                "       .popsection                             \n"
                :  :  "i"(&((char *)key)[branch]) :  : label);

        return false;
label:
        return true;
}

enum jump_label_type;
void arch_jump_label_transform_static(struct jump_entry *entry,
                                      enum jump_label_type type);
#define arch_jump_label_transform_static arch_jump_label_transform_static

#endif  /* __ASSEMBLER__ */
#endif  /* __ASM_CSKY_JUMP_LABEL_H */