2019-09-04 22:29:52 +03:00
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# A32 unconditional instructions
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#
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# Copyright (c) 2019 Linaro, Ltd
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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2020-10-23 15:29:13 +03:00
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# version 2.1 of the License, or (at your option) any later version.
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2019-09-04 22:29:52 +03:00
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, see <http://www.gnu.org/licenses/>.
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#
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# This file is processed by scripts/decodetree.py
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#
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# All insns that have 0xf in insn[31:28] are decoded here.
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# All of those that have a COND field in insn[31:28] are in a32.decode
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#
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2019-09-04 22:30:22 +03:00
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2019-09-04 22:30:25 +03:00
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&empty !extern
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2019-09-04 22:30:22 +03:00
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&i !extern imm
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2019-09-04 22:30:27 +03:00
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&setend E
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2019-09-04 22:30:22 +03:00
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# Branch with Link and Exchange
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%imm24h 0:s24 24:1 !function=times_2
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BLX_i 1111 101 . ........................ &i imm=%imm24h
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2019-09-04 22:30:24 +03:00
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# System Instructions
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&rfe rn w pu
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&srs mode w pu
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2019-09-04 22:30:26 +03:00
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&cps mode imod M A I F
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2019-09-04 22:30:24 +03:00
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RFE 1111 100 pu:2 0 w:1 1 rn:4 0000 1010 0000 0000 &rfe
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SRS 1111 100 pu:2 1 w:1 0 1101 0000 0101 000 mode:5 &srs
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2019-09-04 22:30:26 +03:00
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CPS 1111 0001 0000 imod:2 M:1 0 0000 000 A:1 I:1 F:1 0 mode:5 \
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&cps
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2019-09-04 22:30:25 +03:00
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# Clear-Exclusive, Barriers
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# QEMU does not require the option field for the barriers.
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CLREX 1111 0101 0111 1111 1111 0000 0001 1111
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DSB 1111 0101 0111 1111 1111 0000 0100 ----
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DMB 1111 0101 0111 1111 1111 0000 0101 ----
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ISB 1111 0101 0111 1111 1111 0000 0110 ----
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SB 1111 0101 0111 1111 1111 0000 0111 0000
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2019-09-04 22:30:27 +03:00
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# Set Endianness
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SETEND 1111 0001 0000 0001 0000 00 E:1 0 0000 0000 &setend
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2019-09-04 22:30:28 +03:00
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# Preload instructions
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PLD 1111 0101 -101 ---- 1111 ---- ---- ---- # (imm, lit) 5te
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PLDW 1111 0101 -001 ---- 1111 ---- ---- ---- # (imm, lit) 7mp
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PLI 1111 0100 -101 ---- 1111 ---- ---- ---- # (imm, lit) 7
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PLD 1111 0111 -101 ---- 1111 ----- -- 0 ---- # (register) 5te
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PLDW 1111 0111 -001 ---- 1111 ----- -- 0 ---- # (register) 7mp
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PLI 1111 0110 -101 ---- 1111 ----- -- 0 ---- # (register) 7
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2019-09-04 22:30:29 +03:00
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# Unallocated memory hints
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#
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# Since these are v7MP nops, and PLDW is v7MP and implemented as nop,
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# (ab)use the PLDW helper.
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PLDW 1111 0100 -001 ---- ---- ---- ---- ----
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PLDW 1111 0110 -001 ---- ---- ---- ---0 ----
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