projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 62217beb HD |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef _ASM_PARISC_JUMP_LABEL_H | |
| 3 | #define _ASM_PARISC_JUMP_LABEL_H | |
| 4 | ||
| 5 | #ifndef __ASSEMBLY__ | |
| 6 | ||
| 7 | #include <linux/types.h> | |
| 4d7804d2 | 8 | #include <linux/stringify.h> |
| 62217beb HD |
9 | #include <asm/assembly.h> |
| 10 | ||
| 11 | #define JUMP_LABEL_NOP_SIZE 4 | |
| 12 | ||
| 13 | static __always_inline bool arch_static_branch(struct static_key *key, bool branch) | |
| 14 | { | |
| 4356e9f8 | 15 | asm goto("1:\n\t" |
| 62217beb HD |
16 | "nop\n\t" |
| 17 | ".pushsection __jump_table, \"aw\"\n\t" | |
| 07eecff8 | 18 | ".align %1\n\t" |
| 62217beb HD |
19 | ".word 1b - ., %l[l_yes] - .\n\t" |
| 20 | __stringify(ASM_ULONG_INSN) " %c0 - .\n\t" | |
| 21 | ".popsection\n\t" | |
| 07eecff8 HD |
22 | : : "i" (&((char *)key)[branch]), "i" (sizeof(long)) |
| 23 | : : l_yes); | |
| 62217beb HD |
24 | |
| 25 | return false; | |
| 26 | l_yes: | |
| 27 | return true; | |
| 28 | } | |
| 29 | ||
| 30 | static __always_inline bool arch_static_branch_jump(struct static_key *key, bool branch) | |
| 31 | { | |
| 4356e9f8 | 32 | asm goto("1:\n\t" |
| 62217beb HD |
33 | "b,n %l[l_yes]\n\t" |
| 34 | ".pushsection __jump_table, \"aw\"\n\t" | |
| 07eecff8 | 35 | ".align %1\n\t" |
| 62217beb HD |
36 | ".word 1b - ., %l[l_yes] - .\n\t" |
| 37 | __stringify(ASM_ULONG_INSN) " %c0 - .\n\t" | |
| 38 | ".popsection\n\t" | |
| 07eecff8 HD |
39 | : : "i" (&((char *)key)[branch]), "i" (sizeof(long)) |
| 40 | : : l_yes); | |
| 62217beb HD |
41 | |
| 42 | return false; | |
| 43 | l_yes: | |
| 44 | return true; | |
| 45 | } | |
| 46 | ||
| 47 | #endif /* __ASSEMBLY__ */ | |
| 48 | #endif |