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microvm: add irq table

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Add a comment with a table listing the IRQs,
both legacy pc and microvm side-by-side.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200928104256.9241-5-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2020-09-28 12:42:48 +02:00
parent 06d2dd4911
commit ebf1877570
1 changed files with 22 additions and 0 deletions
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22
include/hw/i386/microvm.h
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@ -27,6 +27,28 @@
#include "hw/acpi/acpi_dev_interface.h"
#include "qom/object.h"
/*
* IRQ | pc | microvm (acpi=on)
* --------+------------+------------------
* 0 | pit |
* 1 | kbd |
* 2 | cascade |
* 3 | serial 1 |
* 4 | serial 0 | serial
* 5 | - |
* 6 | floppy |
* 7 | parallel |
* 8 | rtc | rtc (rtc=on)
* 9 | acpi | acpi (ged)
* 10 | pci lnk |
* 11 | pci lnk |
* 12 | ps2 |
* 13 | fpu |
* 14 | ide 0 |
* 15 | ide 1 |
* 16-23 | pci gsi | virtio
*/
/* Platform virtio definitions */
#define VIRTIO_MMIO_BASE 0xfeb00000
#define VIRTIO_NUM_TRANSPORTS 8