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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_SPARC_JUMP_LABEL_H #define _ASM_SPARC_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_volatile_goto("1:\n\t" "nop\n\t" "nop\n\t" ".pushsection __jump_table, \"aw\"\n\t" ".align 4\n\t" ".word 1b, %l[l_yes], %c0\n\t" ".popsection \n\t" : : "i" (&((char *)key)[branch]) : : l_yes); return false; l_yes: return true; } static __always_inline bool arch_static_branch_jump(struct static_key *key, bool branch) { asm_volatile_goto("1:\n\t" "b %l[l_yes]\n\t" "nop\n\t" ".pushsection __jump_table, \"aw\"\n\t" ".align 4\n\t" ".word 1b, %l[l_yes], %c0\n\t" ".popsection \n\t" : : "i" (&((char *)key)[branch]) : : l_yes); return false; l_yes: return true; } typedef u32 jump_label_t; struct jump_entry { jump_label_t code; jump_label_t target; jump_label_t key; }; #endif /* __ASSEMBLY__ */ #endif
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