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target/riscv: setup everything for rv64 to support rv128 execution

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This patch adds the support of the '-cpu rv128' option to
qemu-system-riscv64 so that we can indicate that we want to run rv128
executables.
Still, there is no support for 128-bit insns at that stage so qemu fails
miserably (as expected) if launched with this option.

Signed-off-by: Frédéric Pétrot <frederic.petrot@univ-grenoble-alpes.fr>
Co-authored-by: Fabien Portas <fabien.portas@grenoble-inp.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220106210108.138226-8-frederic.petrot@univ-grenoble-alpes.fr
[ Changed by AF
 - Rename CPU to "x-rv128"
]
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Frédéric Pétrot 2022-01-06 22:00:57 +01:00 • committed by Alistair Francis
parent 2b5470843a
commit 332dab6878
5 changed files with 32 additions and 0 deletions
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1
target/riscv/cpu.h
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@ -38,6 +38,7 @@
#define TYPE_RISCV_CPU_ANY RISCV_CPU_TYPE_NAME("any")
#define TYPE_RISCV_CPU_BASE32 RISCV_CPU_TYPE_NAME("rv32")
#define TYPE_RISCV_CPU_BASE64 RISCV_CPU_TYPE_NAME("rv64")
#define TYPE_RISCV_CPU_BASE128 RISCV_CPU_TYPE_NAME("x-rv128")
#define TYPE_RISCV_CPU_IBEX RISCV_CPU_TYPE_NAME("lowrisc-ibex")
#define TYPE_RISCV_CPU_SHAKTI_C RISCV_CPU_TYPE_NAME("shakti-c")
#define TYPE_RISCV_CPU_SIFIVE_E31 RISCV_CPU_TYPE_NAME("sifive-e31")