Messages in this thread Patch in this message | | | From | Julien Thierry <> | Subject | [RFC PATCH 3/5] arm64: aarch64-insn: Add barrier encodings | Date | Wed, 20 Jan 2021 18:17:43 +0100 |
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Create necessary functions to encode/decode aarch64 data/instruction barriers.
Signed-off-by: Julien Thierry <jthierry@redhat.com> --- arch/arm64/include/asm/aarch64-insn.h | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/arch/arm64/include/asm/aarch64-insn.h b/arch/arm64/include/asm/aarch64-insn.h index 200bee726172..d0fee47bbe6e 100644 --- a/arch/arm64/include/asm/aarch64-insn.h +++ b/arch/arm64/include/asm/aarch64-insn.h @@ -379,6 +379,9 @@ __AARCH64_INSN_FUNCS(eret_auth, 0xFFFFFBFF, 0xD69F0BFF) __AARCH64_INSN_FUNCS(mrs, 0xFFF00000, 0xD5300000) __AARCH64_INSN_FUNCS(msr_imm, 0xFFF8F01F, 0xD500401F) __AARCH64_INSN_FUNCS(msr_reg, 0xFFF00000, 0xD5100000) +__AARCH64_INSN_FUNCS(dmb, 0xFFFFF0FF, 0xD50330BF) +__AARCH64_INSN_FUNCS(dsb, 0xFFFFF0FF, 0xD503309F) +__AARCH64_INSN_FUNCS(isb, 0xFFFFF0FF, 0xD50330DF) #undef __AARCH64_INSN_FUNCS @@ -390,6 +393,12 @@ static inline bool aarch64_insn_is_adr_adrp(u32 insn) return aarch64_insn_is_adr(insn) || aarch64_insn_is_adrp(insn); } +static inline bool aarch64_insn_is_barrier(u32 insn) +{ + return aarch64_insn_is_dmb(insn) || aarch64_insn_is_dsb(insn) || + aarch64_insn_is_isb(insn); +} + enum aarch64_insn_encoding_class aarch64_get_insn_class(u32 insn); bool aarch64_insn_uses_literal(u32 insn); bool aarch64_insn_is_branch(u32 insn); -- 2.25.4
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