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Diffstat (limited to 'arch/arm64/net/bpf_jit.h')
-rw-r--r--arch/arm64/net/bpf_jit.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm64/net/bpf_jit.h b/arch/arm64/net/bpf_jit.h
index 7c16e547ccb2..b02a9268dfbf 100644
--- a/arch/arm64/net/bpf_jit.h
+++ b/arch/arm64/net/bpf_jit.h
@@ -83,6 +83,25 @@
/* Rt = Rn[0]; Rt2 = Rn[8]; Rn += 16; */
#define A64_POP(Rt, Rt2, Rn) A64_LS_PAIR(Rt, Rt2, Rn, 16, LOAD, POST_INDEX)
+/* Load/store exclusive */
+#define A64_SIZE(sf) \
+ ((sf) ? AARCH64_INSN_SIZE_64 : AARCH64_INSN_SIZE_32)
+#define A64_LSX(sf, Rt, Rn, Rs, type) \
+ aarch64_insn_gen_load_store_ex(Rt, Rn, Rs, A64_SIZE(sf), \
+ AARCH64_INSN_LDST_##type)
+/* Rt = [Rn]; (atomic) */
+#define A64_LDXR(sf, Rt, Rn) \
+ A64_LSX(sf, Rt, Rn, A64_ZR, LOAD_EX)
+/* [Rn] = Rt; (atomic) Rs = [state] */
+#define A64_STXR(sf, Rt, Rn, Rs) \
+ A64_LSX(sf, Rt, Rn, Rs, STORE_EX)
+
+/* Prefetch */
+#define A64_PRFM(Rn, type, target, policy) \
+ aarch64_insn_gen_prefetch(Rn, AARCH64_INSN_PRFM_TYPE_##type, \
+ AARCH64_INSN_PRFM_TARGET_##target, \
+ AARCH64_INSN_PRFM_POLICY_##policy)
+
/* Add/subtract (immediate) */
#define A64_ADDSUB_IMM(sf, Rd, Rn, imm12, type) \
aarch64_insn_gen_add_sub_imm(Rd, Rn, imm12, \