56 lines
2.2 KiB
Plaintext
56 lines
2.2 KiB
Plaintext
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#
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# RISC-V translation routines for the RVXI Base Integer Instruction Set.
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#
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# Copyright (c) 2018 Peer Adelt, peer.adelt@hni.uni-paderborn.de
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# Bastian Koppelmann, kbastian@mail.uni-paderborn.de
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms and conditions of the GNU General Public License,
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# version 2 or later, as published by the Free Software Foundation.
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#
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# This program is distributed in the hope it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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# more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program. If not, see <http://www.gnu.org/licenses/>.
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# Fields:
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%rd 7:5
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%rs1_3 7:3 !function=ex_rvc_register
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%rs2_3 2:3 !function=ex_rvc_register
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# Immediates:
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%nzuimm_ciw 7:4 11:2 5:1 6:1 !function=ex_shift_2
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%uimm_cl_d 5:2 10:3 !function=ex_shift_3
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%uimm_cl_w 5:1 10:3 6:1 !function=ex_shift_2
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# Argument sets:
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&cl rs1 rd
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&cl_dw uimm rs1 rd
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&ciw nzuimm rd
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&cs rs1 rs2
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&cs_dw uimm rs1 rs2
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# Formats 16:
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@ciw ... ........ ... .. &ciw nzuimm=%nzuimm_ciw rd=%rs2_3
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@cl_d ... ... ... .. ... .. &cl_dw uimm=%uimm_cl_d rs1=%rs1_3 rd=%rs2_3
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@cl_w ... ... ... .. ... .. &cl_dw uimm=%uimm_cl_w rs1=%rs1_3 rd=%rs2_3
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@cl ... ... ... .. ... .. &cl rs1=%rs1_3 rd=%rs2_3
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@cs ... ... ... .. ... .. &cs rs1=%rs1_3 rs2=%rs2_3
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@cs_d ... ... ... .. ... .. &cs_dw uimm=%uimm_cl_d rs1=%rs1_3 rs2=%rs2_3
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@cs_w ... ... ... .. ... .. &cs_dw uimm=%uimm_cl_w rs1=%rs1_3 rs2=%rs2_3
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# *** RV64C Standard Extension (Quadrant 0) ***
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c_addi4spn 000 ........ ... 00 @ciw
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c_fld 001 ... ... .. ... 00 @cl_d
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c_lw 010 ... ... .. ... 00 @cl_w
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c_flw_ld 011 --- ... -- ... 00 @cl #Note: Must parse uimm manually
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c_fsd 101 ... ... .. ... 00 @cs_d
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c_sw 110 ... ... .. ... 00 @cs_w
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c_fsw_sd 111 --- ... -- ... 00 @cs #Note: Must parse uimm manually
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