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+/*
+ * Just-In-Time compiler for BPF filters on MIPS
+ *
+ * Copyright (c) 2014 Imagination Technologies Ltd.
+ * Author: Markos Chandras <markos.chandras@imgtec.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; version 2 of the License.
+ */
+
+#ifndef BPF_JIT_MIPS_OP_H
+#define BPF_JIT_MIPS_OP_H
+
+/* Registers used by JIT */
+#define MIPS_R_ZERO 0
+#define MIPS_R_V0 2
+#define MIPS_R_V1 3
+#define MIPS_R_A0 4
+#define MIPS_R_A1 5
+#define MIPS_R_T6 14
+#define MIPS_R_T7 15
+#define MIPS_R_S0 16
+#define MIPS_R_S1 17
+#define MIPS_R_S2 18
+#define MIPS_R_S3 19
+#define MIPS_R_S4 20
+#define MIPS_R_S5 21
+#define MIPS_R_S6 22
+#define MIPS_R_S7 23
+#define MIPS_R_SP 29
+#define MIPS_R_RA 31
+
+/* Conditional codes */
+#define MIPS_COND_EQ 0x1
+#define MIPS_COND_GE (0x1 << 1)
+#define MIPS_COND_GT (0x1 << 2)
+#define MIPS_COND_NE (0x1 << 3)
+#define MIPS_COND_ALL (0x1 << 4)
+/* Conditionals on X register or K immediate */
+#define MIPS_COND_X (0x1 << 5)
+#define MIPS_COND_K (0x1 << 6)
+
+#endif /* BPF_JIT_MIPS_OP_H */