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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 */
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