# A32 unconditional instructions # # Copyright (c) 2019 Linaro, Ltd # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, see <http://www.gnu.org/licenses/>. # # This file is processed by scripts/decodetree.py # # All insns that have 0xf in insn[31:28] are decoded here. # All of those that have a COND field in insn[31:28] are in a32.decode # &empty !extern &i !extern imm &setend E # Branch with Link and Exchange %imm24h 0:s24 24:1 !function=times_2 BLX_i 1111 101 . ........................ &i imm=%imm24h # System Instructions &rfe rn w pu &srs mode w pu &cps mode imod M A I F RFE 1111 100 pu:2 0 w:1 1 rn:4 0000 1010 0000 0000 &rfe SRS 1111 100 pu:2 1 w:1 0 1101 0000 0101 000 mode:5 &srs CPS 1111 0001 0000 imod:2 M:1 0 0000 000 A:1 I:1 F:1 0 mode:5 \ &cps # Clear-Exclusive, Barriers # QEMU does not require the option field for the barriers. CLREX 1111 0101 0111 1111 1111 0000 0001 1111 DSB 1111 0101 0111 1111 1111 0000 0100 ---- DMB 1111 0101 0111 1111 1111 0000 0101 ---- ISB 1111 0101 0111 1111 1111 0000 0110 ---- SB 1111 0101 0111 1111 1111 0000 0111 0000 # Set Endianness SETEND 1111 0001 0000 0001 0000 00 E:1 0 0000 0000 &setend # Preload instructions PLD 1111 0101 -101 ---- 1111 ---- ---- ---- # (imm, lit) 5te PLDW 1111 0101 -001 ---- 1111 ---- ---- ---- # (imm, lit) 7mp PLI 1111 0100 -101 ---- 1111 ---- ---- ---- # (imm, lit) 7 PLD 1111 0111 -101 ---- 1111 ----- -- 0 ---- # (register) 5te PLDW 1111 0111 -001 ---- 1111 ----- -- 0 ---- # (register) 7mp PLI 1111 0110 -101 ---- 1111 ----- -- 0 ---- # (register) 7 # Unallocated memory hints # # Since these are v7MP nops, and PLDW is v7MP and implemented as nop, # (ab)use the PLDW helper. PLDW 1111 0100 -001 ---- ---- ---- ---- ---- PLDW 1111 0110 -001 ---- ---- ---- ---0 ----