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hw/loongarch/virt: Set max 256 cpus support on loongarch virt machine

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Add separate macro EXTIOI_CPUS for extioi interrupt controller, extioi
only supports 4 cpu. And set macro LOONGARCH_MAX_CPUS as 256 so that
loongarch virt machine supports more cpus.

Interrupts from external devices can only be routed cpu 0-3 because
of extioi limits, cpu internal interrupt such as timer/ipi can be
triggered on all cpus.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20230512100421.1867848-3-gaosong@loongson.cn>
This commit is contained in:
Song Gao 2023-04-06 15:25:28 +08:00
parent 78464f023b
commit 646c39b220
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GPG key ID: 40A2FFF239263EDF
4 changed files with 18 additions and 11 deletions
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2
include/hw/loongarch/virt.h
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@ -14,7 +14,7 @@
#include "hw/intc/loongarch_ipi.h"
#include "hw/block/flash.h"
#define LOONGARCH_MAX_VCPUS 4
#define LOONGARCH_MAX_CPUS 256
#define VIRT_ISA_IO_BASE 0x18000000UL
#define VIRT_ISA_IO_SIZE 0x0004000