| /* |
| * 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 */ |
