projects / deliverable / binutils-gdb.git / blame
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|---|---|---|
| b16d63da DU |
1 | // -*- C -*- |
| 2 | ||
| 3 | // Simulator definition for the MIPS16e instructions. | |
| 4 | // Copyright (C) 2005 Free Software Foundation, Inc. | |
| 5 | // Contributed by Nigel Stephens (nigel@mips.com) and | |
| 6 | // David Ung (davidu@mips.com) of MIPS Technologies. | |
| 7 | // | |
| 8 | // This file is part of GDB, the GNU debugger. | |
| 9 | // | |
| 10 | // This program is free software; you can redistribute it and/or modify | |
| 11 | // it under the terms of the GNU General Public License as published by | |
| 12 | // the Free Software Foundation; either version 2, or (at your option) | |
| 13 | // any later version. | |
| 14 | // | |
| 15 | // This program is distributed in the hope that it will be useful, | |
| 16 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 17 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 18 | // GNU General Public License for more details. | |
| 19 | // | |
| 20 | // You should have received a copy of the GNU General Public License along | |
| 21 | // with this program; if not, write to the Free Software Foundation, Inc., | |
| 22 | // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
| 23 | ||
| 24 | ||
| 25 | 11101,3.RX,100,10001:RR:16::SEB | |
| 26 | "seb r<TRX>" | |
| 27 | *mips16e: | |
| 28 | { | |
| 29 | TRACE_ALU_INPUT1 (GPR[TRX]); | |
| 30 | GPR[TRX] = EXTEND8 (GPR[TRX]); | |
| 31 | TRACE_ALU_RESULT (GPR[TRX]); | |
| 32 | } | |
| 33 | ||
| 34 | ||
| 35 | 11101,3.RX,101,10001:RR:16::SEH | |
| 36 | "seh r<TRX>" | |
| 37 | *mips16e: | |
| 38 | { | |
| 39 | TRACE_ALU_INPUT1 (GPR[TRX]); | |
| 40 | GPR[TRX] = EXTEND16 (GPR[TRX]); | |
| 41 | TRACE_ALU_RESULT (GPR[TRX]); | |
| 42 | } | |
| 43 | ||
| 44 | 11101,3.RX,110,10001:RR:16::SEW | |
| 45 | "sew r<TRX>" | |
| 46 | *mips16e: | |
| 47 | { | |
| 48 | check_u64 (SD_, instruction_0); | |
| 49 | TRACE_ALU_INPUT1 (GPR[TRX]); | |
| 50 | GPR[TRX] = EXTEND32 (GPR[TRX]); | |
| 51 | TRACE_ALU_RESULT (GPR[TRX]); | |
| 52 | } | |
| 53 | ||
| 54 | 11101,3.RX,000,10001:RR:16::ZEB | |
| 55 | "zeb r<TRX>" | |
| 56 | *mips16e: | |
| 57 | { | |
| 58 | TRACE_ALU_INPUT1 (GPR[TRX]); | |
| 59 | GPR[TRX] = (unsigned_word)(unsigned8)(GPR[TRX]); | |
| 60 | TRACE_ALU_RESULT (GPR[TRX]); | |
| 61 | } | |
| 62 | ||
| 63 | 11101,3.RX,001,10001:RR:16::ZEH | |
| 64 | "zeh r<TRX>" | |
| 65 | *mips16e: | |
| 66 | { | |
| 67 | TRACE_ALU_INPUT1 (GPR[TRX]); | |
| 68 | GPR[TRX] = (unsigned_word)(unsigned16)(GPR[TRX]); | |
| 69 | TRACE_ALU_RESULT (GPR[TRX]); | |
| 70 | } | |
| 71 | ||
| 72 | 11101,3.RX,010,10001:RR:16::ZEW | |
| 73 | "zew r<TRX>" | |
| 74 | *mips16e: | |
| 75 | { | |
| 76 | check_u64 (SD_, instruction_0); | |
| 77 | TRACE_ALU_INPUT1 (GPR[TRX]); | |
| 78 | GPR[TRX] = (unsigned_word)(unsigned32)(GPR[TRX]); | |
| 79 | TRACE_ALU_RESULT (GPR[TRX]); | |
| 80 | } | |
| 81 | ||
| 82 | ||
| 83 | 11101,3.RX,100,00000:RR:16::JRC | |
| 84 | "jrc r<TRX>" | |
| 85 | *mips16e: | |
| 86 | { | |
| 87 | NIA = GPR[TRX]; | |
| 88 | } | |
| 89 | ||
| 90 | ||
| 91 | 11101,000,101,00000:RR:16::JRCRA | |
| 92 | "jrc ra" | |
| 93 | *mips16e: | |
| 94 | { | |
| 95 | NIA = RA; | |
| 96 | } | |
| 97 | ||
| 98 | ||
| 99 | 11101,3.RX,110,00000:RR:16::JALRC | |
| 100 | "jalrc r<TRX>" | |
| 101 | *mips16e: | |
| 102 | { | |
| 103 | RA = NIA; | |
| 104 | NIA = GPR[TRX]; | |
| 105 | } |