e8c56787cd
At present each hart's hartid in a RISC-V hart array is assigned the same value of its index in the hart array. But for a system that has multiple hart arrays, this is not the case any more. Add a new "hartid-base" property so that hartid number can be assigned based on the property value. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/*
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* QEMU RISC-V Hart Array interface
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*
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* Copyright (c) 2017 SiFive, Inc.
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*
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* Holds the state of a heterogenous array of RISC-V harts
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2 or later, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef HW_RISCV_HART_H
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#define HW_RISCV_HART_H
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#include "hw/sysbus.h"
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#include "target/riscv/cpu.h"
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#define TYPE_RISCV_HART_ARRAY "riscv.hart_array"
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#define RISCV_HART_ARRAY(obj) \
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OBJECT_CHECK(RISCVHartArrayState, (obj), TYPE_RISCV_HART_ARRAY)
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typedef struct RISCVHartArrayState {
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/*< private >*/
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SysBusDevice parent_obj;
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/*< public >*/
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uint32_t num_harts;
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uint32_t hartid_base;
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char *cpu_type;
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RISCVCPU *harts;
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} RISCVHartArrayState;
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#endif
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