arm64: introduce aarch64_insn_gen_{nop|branch_imm}() helper functions

[firefly-linux-kernel-4.4.55.git] / arch / arm64 / include / asm / insn.h

diff --git a/arch/arm64/include/asm/insn.h b/arch/arm64/include/asm/insn.h
index fb4466022bd0895e97d659a75cf7286cdd8a392c..c44ad39ed3107859a9bb8c7e7115dbc146825f47 100644 (file)
--- a/arch/arm64/include/asm/insn.h
+++ b/arch/arm64/include/asm/insn.h
@@ -66,6 +66,11 @@ enum aarch64_insn_imm_type {
        AARCH64_INSN_IMM_MAX
 };
 
+enum aarch64_insn_branch_type {
+       AARCH64_INSN_BRANCH_NOLINK,
+       AARCH64_INSN_BRANCH_LINK,
+};
+
 #define        __AARCH64_INSN_FUNCS(abbr, mask, val)   \
 static __always_inline bool aarch64_insn_is_##abbr(u32 code) \
 { return (code & (mask)) == (val); } \
@@ -89,6 +94,11 @@ int aarch64_insn_write(void *addr, u32 insn);
 enum aarch64_insn_encoding_class aarch64_get_insn_class(u32 insn);
 u32 aarch64_insn_encode_immediate(enum aarch64_insn_imm_type type,
                                  u32 insn, u64 imm);
+u32 aarch64_insn_gen_branch_imm(unsigned long pc, unsigned long addr,
+                               enum aarch64_insn_branch_type type);
+u32 aarch64_insn_gen_hint(enum aarch64_insn_hint_op op);
+u32 aarch64_insn_gen_nop(void);
+
 bool aarch64_insn_hotpatch_safe(u32 old_insn, u32 new_insn);
 
 int aarch64_insn_patch_text_nosync(void *addr, u32 insn);