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-rw-r--r--src/dev/arm/Gic.py39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/dev/arm/Gic.py b/src/dev/arm/Gic.py
index 5338cca2a..622dcf616 100644
--- a/src/dev/arm/Gic.py
+++ b/src/dev/arm/Gic.py
@@ -95,3 +95,42 @@ class Gicv2m(PioDevice):
pio_delay = Param.Latency('10ns', "Delay for PIO r/w")
gic = Param.BaseGic(Parent.any, "Gic on which to trigger interrupts")
frames = VectorParam.Gicv2mFrame([], "Power of two number of frames")
+
+class VGic(PioDevice):
+ type = 'VGic'
+ cxx_header = "dev/arm/vgic.hh"
+ gic = Param.BaseGic(Parent.any, "Gic to use for interrupting")
+ platform = Param.Platform(Parent.any, "Platform this device is part of.")
+ vcpu_addr = Param.Addr(0, "Address for vcpu interfaces")
+ hv_addr = Param.Addr(0, "Address for hv control")
+ pio_delay = Param.Latency('10ns', "Delay for PIO r/w")
+ # The number of list registers is not currently configurable at runtime.
+ ppint = Param.UInt32("HV maintenance interrupt number")
+
+ def generateDeviceTree(self, state):
+ gic = self.gic.unproxy(self)
+
+ node = FdtNode("interrupt-controller")
+ node.appendCompatible(["gem5,gic", "arm,cortex-a15-gic",
+ "arm,cortex-a9-gic"])
+ node.append(FdtPropertyWords("#interrupt-cells", [3]))
+ node.append(FdtPropertyWords("#address-cells", [0]))
+ node.append(FdtProperty("interrupt-controller"))
+
+ regs = (
+ state.addrCells(gic.dist_addr) +
+ state.sizeCells(0x1000) +
+ state.addrCells(gic.cpu_addr) +
+ state.sizeCells(0x1000) +
+ state.addrCells(self.hv_addr) +
+ state.sizeCells(0x2000) +
+ state.addrCells(self.vcpu_addr) +
+ state.sizeCells(0x2000) )
+
+ node.append(FdtPropertyWords("reg", regs))
+ node.append(FdtPropertyWords("interrupts",
+ [1, int(self.ppint)-16, 0xf04]))
+
+ node.appendPhandle(gic)
+
+ yield node