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

#ifndef __ASM_CSKY_JUMP_LABEL_H
#define __ASM_CSKY_JUMP_LABEL_H

#ifndef __ASSEMBLY__

#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  /* __ASSEMBLY__ */
#endif    /* __ASM_CSKY_JUMP_LABEL_H */