45 строки
1.1 KiB
C
45 строки
1.1 KiB
C
|
/*
|
||
|
|
* 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 */
|