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84635b9396
Add MIPS P8700 ldp, lwp, sdp, swp instructions. Signed-off-by: Chao-ying Fu <cfu@mips.com> Signed-off-by: Djordje Todorovic <djordje.todorovic@htecgroup.com> Acked-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Acked-by: Alistair Francis <alistair.francis@wdc.com> Message-ID: <20260108134128.2218102-7-djordje.todorovic@htecgroup.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
36 lines
1.2 KiB
Plaintext
36 lines
1.2 KiB
Plaintext
#
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# RISC-V translation routines for the MIPS extension
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#
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# Copyright (c) 2025 MIPS
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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#
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# Reference: MIPS P8700 instructions
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# (https://mips.com/products/hardware/p8700/)
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# Fields
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%rs3 27:5
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%rs2 20:5
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%rs1 15:5
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%rd 7:5
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%imm_9 20:9
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%imm_hint 7:5
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%imm_v 25:2 9:3 !function=ex_shift_2
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%imm_w 25:2 10:2 !function=ex_shift_3
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%imm_x 22:5 !function=ex_shift_2
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%imm_y 23:4 !function=ex_shift_3
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# Formats
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@r4_immv ..... .. ..... ..... ... ... .. ....... %rs2 %rs3 %imm_v %rs1
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@r4_immw ..... .. ..... ..... ... .. ... ....... %rs2 %rs3 %imm_w %rs1
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@r4_immx ..... ..... .. ..... ... ..... ....... %rs3 %imm_x %rs1 %rd
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@r4_immy ..... .... ... ..... ... ..... ....... %rs3 %imm_y %rs1 %rd
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# *** RV64 MIPS Extension ***
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ccmov rs3:5 11 rs2:5 rs1:5 011 rd:5 0001011
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pref 000 imm_9:9 rs1:5 000 imm_hint:5 0001011
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ldp ..... .... 000 ..... 100 ..... 0001011 @r4_immy
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lwp ..... ..... 01 ..... 100 ..... 0001011 @r4_immx
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sdp ..... .. ..... ..... 101 .. 0000001011 @r4_immw
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swp ..... .. ..... ..... 101 ... 010001011 @r4_immv
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