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hw/arm/virt: Add a control for the the highmem redistributors

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Just like we can control the enablement of the highmem PCIe region
using highmem_ecam, let's add a control for the highmem GICv3
redistributor region.

Similarily to highmem_ecam, these redistributors are disabled when
highmem is off.

Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20220114140741.1358263-3-maz@kernel.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Marc Zyngier 2022-01-14 14:07:37 +00:00 • committed by Peter Maydell
parent c8f008c40f
commit a63618b147
3 changed files with 7 additions and 1 deletions
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4
include/hw/arm/virt.h
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@ -144,6 +144,7 @@ struct VirtMachineState {
bool highmem;
bool highmem_ecam;
bool highmem_mmio;
bool highmem_redists;
bool its;
bool tcg_its;
bool virt;
@ -191,7 +192,8 @@ static inline int virt_gicv3_redist_region_count(VirtMachineState *vms)
assert(vms->gic_version == VIRT_GIC_VERSION_3);
return MACHINE(vms)->smp.cpus > redist0_capacity ? 2 : 1;
return (MACHINE(vms)->smp.cpus > redist0_capacity &&
vms->highmem_redists) ? 2 : 1;
}
#endif /* QEMU_ARM_VIRT_H */