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[v4,3/3] hw/arm/virt-acpi-build: Add PMU IRQ number in ACPI table

Message ID 1461670846-13196-4-git-send-email-zhaoshenglong@huawei.com (mailing list archive)
State New, archived
Headers show

Commit Message

Shannon Zhao April 26, 2016, 11:40 a.m. UTC 
From: Shannon Zhao <shannon.zhao@linaro.org>

Add PMU IRQ number in ACPI table, then we can use PMU in guest through
ACPI.

Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
---
 hw/arm/virt-acpi-build.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index f51fe39..5031232 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -491,6 +491,9 @@  build_madt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
         gicc->arm_mpidr = armcpu->mp_affinity;
         gicc->uid = i;
         gicc->flags = cpu_to_le32(ACPI_GICC_ENABLED);
+
+        if (armcpu->has_pmu)
+            gicc->performance_interrupt = cpu_to_le32(PPI(VIRTUAL_PMU_IRQ));
     }
 
     if (guest_info->gic_version == 3) {