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We should write transformed instruction encoding of the trapped
instruction in [m|h]tinst CSR at time of taking trap as defined
by the RISC-V privileged specification v1.12.
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Acked-by: dramforever <dramforever@live.com>
Message-Id: <20220630061150.905174-2-apatel@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
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The plugin system would throw up a harmless warning when it detected
that a disassembly of an instruction didn't use all it's bytes. Fix
the riscv decoder to only load the instruction bytes it needs as it
needs them.
This drops opcode from the ctx in favour if passing the appropriately
sized opcode down a few levels of the decode.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Robert Foley <robert.foley@linaro.org>
Message-Id: <20200225124710.14152-15-alex.bennee@linaro.org>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190604181618.19980-5-armbru@redhat.com>
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TCG code generation for the RV32IMAFDC and RV64IMAFDC. The QEMU
RISC-V code generator has complete coverage for the Base ISA v2.2,
Privileged ISA v1.9.1 and Privileged ISA v1.10:
- RISC-V Instruction Set Manual Volume I: User-Level ISA Version 2.2
- RISC-V Instruction Set Manual Volume II: Privileged ISA Version 1.9.1
- RISC-V Instruction Set Manual Volume II: Privileged ISA Version 1.10
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu>
Signed-off-by: Michael Clark <mjc@sifive.com>
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