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hw/riscv: Allow creating multiple instances of PLIC

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We extend PLIC emulation to allow multiple instances of PLIC in
a QEMU RISC-V machine. To achieve this, we remove first HART id
zero assumption from PLIC emulation.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20200616032229.766089-3-anup.patel@wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Anup Patel 2020-05-15 10:25:33 +05:30 • committed by Alistair Francis
parent 3bf03f0899
commit c9270e10a5
5 changed files with 23 additions and 19 deletions
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2
hw/riscv/virt.c
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@ -560,7 +560,7 @@ static void virt_machine_init(MachineState *machine)
/* MMIO */
s->plic = sifive_plic_create(memmap[VIRT_PLIC].base,
plic_hart_config,
plic_hart_config, 0,
VIRT_PLIC_NUM_SOURCES,
VIRT_PLIC_NUM_PRIORITIES,
VIRT_PLIC_PRIORITY_BASE,