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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_T4 12
#define MIPS_R_T5 13
#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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