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target/riscv: check the in-kernel irqchip support 

We check the in-kernel irqchip support when using KVM acceleration.

Signed-off-by: Yong-Xuan Wang <yongxuan.wang@sifive.com>
Reviewed-by: Jim Shu <jim.shu@sifive.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Message-ID: <20230727102439.22554-3-yongxuan.wang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Yong-Xuan Wang 2023-07-27 10:24:34 +00:00 committed by Alistair Francis
parent 59a07d3c61
commit 97b9f5ef14
1 changed files with 9 additions and 1 deletions
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10
target/riscv/kvm.c
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@ -926,7 +926,15 @@ int kvm_arch_init(MachineState *ms, KVMState *s)
int kvm_arch_irqchip_create(KVMState *s) int kvm_arch_irqchip_create(KVMState *s)
{ {
return 0; if (kvm_kernel_irqchip_split()) {
error_report("-machine kernel_irqchip=split is not supported on RISC-V.");
exit(1);
}
/*
* We can create the VAIA using the newer device control API.
*/
return kvm_check_extension(s, KVM_CAP_DEVICE_CTRL);
} }
int kvm_arch_process_async_events(CPUState *cs) int kvm_arch_process_async_events(CPUState *cs)