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qemu/target/riscv/insn32-64.decode

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target/riscv: Convert RV64I load/store insns to decodetree this splits the 64-bit only instructions into its own decode file such that we generate the decoder for these instructions only for the RISC-V 64 bit target. Acked-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Peer Adelt <peer.adelt@hni.uni-paderborn.de>
2019-02-13 18:53:44 +03:00
#
# RISC-V translation routines for the RV Instruction Set.
#
# Copyright (c) 2018 Peer Adelt, peer.adelt@hni.uni-paderborn.de
# Bastian Koppelmann, kbastian@mail.uni-paderborn.de
#
# This program is free software; you can redistribute it and/or modify it
# under the terms and conditions of the GNU General Public License,
# version 2 or later, as published by the Free Software Foundation.
#
# This program is distributed in the hope it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# this program. If not, see <http://www.gnu.org/licenses/>.
# This is concatenated with insn32.decode for risc64 targets.
# Most of the fields and formats are there.
target/riscv: Convert RVXI arithmetic insns to decodetree we cannot remove the call to gen_arith() in decode_RV32_64G() since it is used to translate multiply instructions. Acked-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Peer Adelt <peer.adelt@hni.uni-paderborn.de>
2019-02-13 18:53:45 +03:00
%sh5 20:5
@sh5 ....... ..... ..... ... ..... ....... &shift shamt=%sh5 %rs1 %rd
target/riscv: Convert RV64I load/store insns to decodetree this splits the 64-bit only instructions into its own decode file such that we generate the decoder for these instructions only for the RISC-V 64 bit target. Acked-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Peer Adelt <peer.adelt@hni.uni-paderborn.de>
2019-02-13 18:53:44 +03:00
# *** RV64I Base Instruction Set (in addition to RV32I) ***
lwu ............ ..... 110 ..... 0000011 @i
ld ............ ..... 011 ..... 0000011 @i
sd ....... ..... ..... 011 ..... 0100011 @s
target/riscv: Convert RVXI arithmetic insns to decodetree we cannot remove the call to gen_arith() in decode_RV32_64G() since it is used to translate multiply instructions. Acked-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Peer Adelt <peer.adelt@hni.uni-paderborn.de>
2019-02-13 18:53:45 +03:00
addiw ............ ..... 000 ..... 0011011 @i
slliw 0000000 ..... ..... 001 ..... 0011011 @sh5
srliw 0000000 ..... ..... 101 ..... 0011011 @sh5
sraiw 0100000 ..... ..... 101 ..... 0011011 @sh5
addw 0000000 ..... ..... 000 ..... 0111011 @r
subw 0100000 ..... ..... 000 ..... 0111011 @r
sllw 0000000 ..... ..... 001 ..... 0111011 @r
srlw 0000000 ..... ..... 101 ..... 0111011 @r
sraw 0100000 ..... ..... 101 ..... 0111011 @r
target/riscv: Convert RVXM insns to decodetree Acked-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Peer Adelt <peer.adelt@hni.uni-paderborn.de>
2019-02-13 18:53:48 +03:00
# *** RV64M Standard Extension (in addition to RV32M) ***
mulw 0000001 ..... ..... 000 ..... 0111011 @r
divw 0000001 ..... ..... 100 ..... 0111011 @r
divuw 0000001 ..... ..... 101 ..... 0111011 @r
remw 0000001 ..... ..... 110 ..... 0111011 @r
remuw 0000001 ..... ..... 111 ..... 0111011 @r
target/riscv: Convert RV64A insns to decodetree Acked-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Peer Adelt <peer.adelt@hni.uni-paderborn.de>
2019-02-13 18:53:50 +03:00
# *** RV64A Standard Extension (in addition to RV32A) ***
lr_d 00010 . . 00000 ..... 011 ..... 0101111 @atom_ld
sc_d 00011 . . ..... ..... 011 ..... 0101111 @atom_st
amoswap_d 00001 . . ..... ..... 011 ..... 0101111 @atom_st
amoadd_d 00000 . . ..... ..... 011 ..... 0101111 @atom_st
amoxor_d 00100 . . ..... ..... 011 ..... 0101111 @atom_st
amoand_d 01100 . . ..... ..... 011 ..... 0101111 @atom_st
amoor_d 01000 . . ..... ..... 011 ..... 0101111 @atom_st
amomin_d 10000 . . ..... ..... 011 ..... 0101111 @atom_st
amomax_d 10100 . . ..... ..... 011 ..... 0101111 @atom_st
amominu_d 11000 . . ..... ..... 011 ..... 0101111 @atom_st
amomaxu_d 11100 . . ..... ..... 011 ..... 0101111 @atom_st
target/riscv: Convert RV64F insns to decodetree Acked-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Peer Adelt <peer.adelt@hni.uni-paderborn.de>
2019-02-13 18:53:52 +03:00
# *** RV64F Standard Extension (in addition to RV32F) ***
fcvt_l_s 1100000 00010 ..... ... ..... 1010011 @r2_rm
fcvt_lu_s 1100000 00011 ..... ... ..... 1010011 @r2_rm
fcvt_s_l 1101000 00010 ..... ... ..... 1010011 @r2_rm
fcvt_s_lu 1101000 00011 ..... ... ..... 1010011 @r2_rm
target/riscv: Convert RV64D insns to decodetree Acked-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Peer Adelt <peer.adelt@hni.uni-paderborn.de>
2019-02-13 18:53:54 +03:00
# *** RV64D Standard Extension (in addition to RV32D) ***
fcvt_l_d 1100001 00010 ..... ... ..... 1010011 @r2_rm
fcvt_lu_d 1100001 00011 ..... ... ..... 1010011 @r2_rm
fmv_x_d 1110001 00000 ..... 000 ..... 1010011 @r2
fcvt_d_l 1101001 00010 ..... ... ..... 1010011 @r2_rm
fcvt_d_lu 1101001 00011 ..... ... ..... 1010011 @r2_rm
fmv_d_x 1111001 00000 ..... 000 ..... 1010011 @r2
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