[PATCH 4/6] MIPS: net: BPF: Move register definition to the BPF header

[Markos Chandras]

The registers will be used by a subsequent patch introducing
ASM helpers so move them to a common header.

Cc: netdev@xxxxxxxxxxxxxxx
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Alexei Starovoitov <ast@xxxxxxxxxxxx>
Cc: Daniel Borkmann <dborkman@xxxxxxxxxx>
Cc: Hannes Frederic Sowa <hannes@xxxxxxxxxxxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Markos Chandras <markos.chandras@xxxxxxxxxx>
---
 arch/mips/net/bpf_jit.c | 35 -----------------------------------
 arch/mips/net/bpf_jit.h | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+), 35 deletions(-)

diff --git a/arch/mips/net/bpf_jit.c b/arch/mips/net/bpf_jit.c
index 84cd09ba230a..954df295f945 100644
--- a/arch/mips/net/bpf_jit.c
+++ b/arch/mips/net/bpf_jit.c
@@ -63,41 +63,6 @@
 
 #define ptr typeof(unsigned long)
 
-/* ABI specific return values */
-#ifdef CONFIG_32BIT /* O32 */
-#ifdef CONFIG_CPU_LITTLE_ENDIAN
-#define r_err	MIPS_R_V1
-#define r_val	MIPS_R_V0
-#else /* CONFIG_CPU_LITTLE_ENDIAN */
-#define r_err	MIPS_R_V0
-#define r_val	MIPS_R_V1
-#endif
-#else /* N64 */
-#define r_err	MIPS_R_V0
-#define r_val	MIPS_R_V0
-#endif
-
-#define r_ret	MIPS_R_V0
-
-/*
- * Use 2 scratch registers to avoid pipeline interlocks.
- * There is no overhead during epilogue and prologue since
- * any of the $s0-$s6 registers will only be preserved if
- * they are going to actually be used.
- */
-#define r_off		MIPS_R_S2
-#define r_A		MIPS_R_S3
-#define r_X		MIPS_R_S4
-#define r_skb		MIPS_R_S5
-#define r_M		MIPS_R_S6
-#define r_s0		MIPS_R_T4 /* scratch reg 1 */
-#define r_s1		MIPS_R_T5 /* scratch reg 2 */
-#define r_tmp_imm	MIPS_R_T6 /* No need to preserve this */
-#define r_tmp		MIPS_R_T7 /* No need to preserve this */
-#define r_zero		MIPS_R_ZERO
-#define r_sp		MIPS_R_SP
-#define r_ra		MIPS_R_RA
-
 #define SCRATCH_OFF(k)		(4 * (k))
 
 /* JIT flags */
diff --git a/arch/mips/net/bpf_jit.h b/arch/mips/net/bpf_jit.h
index f9b5a4d3dbf4..3afa7a6d81b3 100644
--- a/arch/mips/net/bpf_jit.h
+++ b/arch/mips/net/bpf_jit.h
@@ -43,4 +43,39 @@
 #define MIPS_COND_X	(0x1 << 5)
 #define MIPS_COND_K	(0x1 << 6)
 
+/* ABI specific return values */
+#ifdef CONFIG_32BIT /* O32 */
+#ifdef CONFIG_CPU_LITTLE_ENDIAN
+#define r_err	MIPS_R_V1
+#define r_val	MIPS_R_V0
+#else /* CONFIG_CPU_LITTLE_ENDIAN */
+#define r_err	MIPS_R_V0
+#define r_val	MIPS_R_V1
+#endif
+#else /* N64 */
+#define r_err	MIPS_R_V0
+#define r_val	MIPS_R_V0
+#endif
+
+#define r_ret	MIPS_R_V0
+
+/*
+ * Use 2 scratch registers to avoid pipeline interlocks.
+ * There is no overhead during epilogue and prologue since
+ * any of the $s0-$s6 registers will only be preserved if
+ * they are going to actually be used.
+ */
+#define r_off		MIPS_R_S2
+#define r_A		MIPS_R_S3
+#define r_X		MIPS_R_S4
+#define r_skb		MIPS_R_S5
+#define r_M		MIPS_R_S6
+#define r_s0		MIPS_R_T4 /* scratch reg 1 */
+#define r_s1		MIPS_R_T5 /* scratch reg 2 */
+#define r_tmp_imm	MIPS_R_T6 /* No need to preserve this */
+#define r_tmp		MIPS_R_T7 /* No need to preserve this */
+#define r_zero		MIPS_R_ZERO
+#define r_sp		MIPS_R_SP
+#define r_ra		MIPS_R_RA
+
 #endif /* BPF_JIT_MIPS_OP_H */
-- 
2.4.2

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