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authorAndreas Sandberg <andreas.sandberg@arm.com>2017-03-24 13:56:14 +0000
committerAndreas Sandberg <andreas.sandberg@arm.com>2018-06-07 17:33:30 +0000
commit6f84c91c74245a53ec1ab5a8ec325ee9d2bd1487 (patch)
tree486212f7a0cf69cc258643aab6e1e4354100b5d7 /src/dev/arm
parentc5c71a751676a5adecad8ac43ec85b6c4c66ebf0 (diff)
downloadgem5-6f84c91c74245a53ec1ab5a8ec325ee9d2bd1487.tar.xz
dev-arm: Add a VirtIO MMIO device to VExpress_GEM5_V1
Add an ARM-specific VirtIO MMIO device to the VExpress_GEM5_V1 platform. Change-Id: Id1e75398e039aad9d637f46f653cda9084d3d2fe Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Sudhanshu Jha <sudhanshu.jha@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Reviewed-by: Rekai Gonzalez Alberquilla <rekai.gonzalezalberquilla@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2327
Diffstat (limited to 'src/dev/arm')
-rw-r--r--src/dev/arm/RealView.py13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/dev/arm/RealView.py b/src/dev/arm/RealView.py
index 308de18af..104c87736 100644
--- a/src/dev/arm/RealView.py
+++ b/src/dev/arm/RealView.py
@@ -63,6 +63,7 @@ from SubSystem import SubSystem
from Graphics import ImageFormat
from ClockedObject import ClockedObject
from PS2 import *
+from VirtIOMMIO import MmioVirtIO
# Platforms with KVM support should generally use in-kernel GIC
# emulation. Use a GIC model that automatically switches between
@@ -1045,6 +1046,8 @@ Memory map:
0x1c0a0000-0x1c0affff: UART1 (reserved)
0x1c0b0000-0x1c0bffff: UART2 (reserved)
0x1c0c0000-0x1c0cffff: UART3 (reserved)
+ 0x1c130000-0x1c13ffff: VirtIO (gem5/FM extension)
+ 0x1c140000-0x1c14ffff: VirtIO (gem5/FM extension)
0x1c170000-0x1c17ffff: RTC
0x20000000-0x3fffffff: On-chip peripherals:
@@ -1089,6 +1092,8 @@ Interrupts:
48 : Reserved (USB)
95-255: On-chip interrupt sources (we use these for
gem5-specific devices, SPIs)
+ 74 : VirtIO (gem5/FM extension)
+ 75 : VirtIO (gem5/FM extension)
95 : HDLCD
96- 98: GPU (reserved)
100-103: PCI
@@ -1154,6 +1159,12 @@ Interrupts:
energy_ctrl = EnergyCtrl(pio_addr=0x10000000)
+ vio = [
+ MmioVirtIO(pio_addr=0x1c130000, pio_size=0x1000,
+ interrupt=ArmSPI(num=74)),
+ MmioVirtIO(pio_addr=0x1c140000, pio_size=0x1000,
+ interrupt=ArmSPI(num=75)),
+ ]
def _off_chip_devices(self):
return [
@@ -1165,6 +1176,8 @@ Interrupts:
self.pci_host,
self.energy_ctrl,
self.clock24MHz,
+ self.vio[0],
+ self.vio[1],
]
def attachPciDevice(self, device, *args, **kwargs):