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This adds the decoder and translation for the XVentanaCondOps custom extension (vendor-defined by Ventana Micro Systems), which is documented at https://github.com/ventanamicro/ventana-custom-extensions/releases/download/v1.0.0/ventana-custom-extensions-v1.0.0.pdf This commit then also adds a guard-function (has_XVentanaCondOps_p) and the decoder function to the table of decoders, enabling the support for the XVentanaCondOps extension. Signed-off-by: Philipp Tomsich <philipp.tomsich@vrull.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20220202005249.3566542-7-philipp.tomsich@vrull.eu> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
26 lines
757 B
Plaintext
26 lines
757 B
Plaintext
#
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# RISC-V translation routines for the XVentanaCondOps extension
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#
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# Copyright (c) 2022 Dr. Philipp Tomsich, philipp.tomsich@vrull.eu
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#
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# SPDX-License-Identifier: LGPL-2.1-or-later
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#
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# Reference: VTx-family custom instructions
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# Custom ISA extensions for Ventana Micro Systems RISC-V cores
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# (https://github.com/ventanamicro/ventana-custom-extensions/releases/download/v1.0.0/ventana-custom-extensions-v1.0.0.pdf)
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# Fields
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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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# Argument sets
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&r rd rs1 rs2 !extern
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# Formats
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@r ....... ..... ..... ... ..... ....... &r %rs2 %rs1 %rd
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# *** RV64 Custom-3 Extension ***
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vt_maskc 0000000 ..... ..... 110 ..... 1111011 @r
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vt_maskcn 0000000 ..... ..... 111 ..... 1111011 @r
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