162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef _ASM_PARISC_JUMP_LABEL_H 362306a36Sopenharmony_ci#define _ASM_PARISC_JUMP_LABEL_H 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#ifndef __ASSEMBLY__ 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci#include <linux/types.h> 862306a36Sopenharmony_ci#include <linux/stringify.h> 962306a36Sopenharmony_ci#include <asm/assembly.h> 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#define JUMP_LABEL_NOP_SIZE 4 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_cistatic __always_inline bool arch_static_branch(struct static_key *key, bool branch) 1462306a36Sopenharmony_ci{ 1562306a36Sopenharmony_ci asm goto("1:\n\t" 1662306a36Sopenharmony_ci "nop\n\t" 1762306a36Sopenharmony_ci ".pushsection __jump_table, \"aw\"\n\t" 1862306a36Sopenharmony_ci ".align %1\n\t" 1962306a36Sopenharmony_ci ".word 1b - ., %l[l_yes] - .\n\t" 2062306a36Sopenharmony_ci __stringify(ASM_ULONG_INSN) " %c0 - .\n\t" 2162306a36Sopenharmony_ci ".popsection\n\t" 2262306a36Sopenharmony_ci : : "i" (&((char *)key)[branch]), "i" (sizeof(long)) 2362306a36Sopenharmony_ci : : l_yes); 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ci return false; 2662306a36Sopenharmony_cil_yes: 2762306a36Sopenharmony_ci return true; 2862306a36Sopenharmony_ci} 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_cistatic __always_inline bool arch_static_branch_jump(struct static_key *key, bool branch) 3162306a36Sopenharmony_ci{ 3262306a36Sopenharmony_ci asm goto("1:\n\t" 3362306a36Sopenharmony_ci "b,n %l[l_yes]\n\t" 3462306a36Sopenharmony_ci ".pushsection __jump_table, \"aw\"\n\t" 3562306a36Sopenharmony_ci ".align %1\n\t" 3662306a36Sopenharmony_ci ".word 1b - ., %l[l_yes] - .\n\t" 3762306a36Sopenharmony_ci __stringify(ASM_ULONG_INSN) " %c0 - .\n\t" 3862306a36Sopenharmony_ci ".popsection\n\t" 3962306a36Sopenharmony_ci : : "i" (&((char *)key)[branch]), "i" (sizeof(long)) 4062306a36Sopenharmony_ci : : l_yes); 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_ci return false; 4362306a36Sopenharmony_cil_yes: 4462306a36Sopenharmony_ci return true; 4562306a36Sopenharmony_ci} 4662306a36Sopenharmony_ci 4762306a36Sopenharmony_ci#endif /* __ASSEMBLY__ */ 4862306a36Sopenharmony_ci#endif 49