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The query-cpu-model-expansion API is capable of passing extra properties to a given CPU model and tell callers if this custom configuration is valid. The RISC-V version of the API is not quite there yet. The reason is the realize() flow in the TCG driver, where most of the validation is done in tcg_cpu_realizefn(). riscv_cpu_finalize_features() is then used to validate satp_mode for both TCG and KVM CPUs. Our ARM friends uses a concept of 'finalize_features()', a step done in the end of realize() where the CPU features are validated. We have a riscv_cpu_finalize_features() helper that, at this moment, is only validating satp_mode. Re-use this existing helper to do all CPU extension validation we required after at the end of realize(). Make it public to allow APIs to use it. At this moment only the TCG driver requires a realize() time validation, thus, to avoid adding accelerator specific helpers in the API, riscv_cpu_finalize_features() uses riscv_tcg_cpu_finalize_features() if we are running TCG. The API will then use riscv_cpu_finalize_features() regardless of the current accelerator. Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-ID: <20231018195638.211151-4-dbarboza@ventanamicro.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
28 lines
978 B
C
28 lines
978 B
C
/*
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* riscv TCG cpu class initialization
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*
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* Copyright (c) 2023 Ventana Micro Systems Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef RISCV_TCG_CPU_H
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#define RISCV_TCG_CPU_H
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#include "cpu.h"
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void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, Error **errp);
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void riscv_tcg_cpu_finalize_features(RISCVCPU *cpu, Error **errp);
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#endif
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