vmmplatsupport & vm: add support for odroidc2

Code and headers for odroidc2 platform support

libsel4vm/src/arch/arm/vgic/vgic.c

diff --git a/libsel4vm/src/arch/arm/vgic/vgic.c b/libsel4vm/src/arch/arm/vgic/vgic.c
index 8e084d0..09265c7 100644
--- a/libsel4vm/src/arch/arm/vgic/vgic.c
+++ b/libsel4vm/src/arch/arm/vgic/vgic.c
@@ -86,6 +86,8 @@
 #define GIC_PADDR   0x03880000
 #elif defined(CONFIG_PLAT_QEMU_ARM_VIRT)
 #define GIC_PADDR   0x8000000
+#elif defined(CONFIG_PLAT_ODROIDC2)
+#define GIC_PADDR   0xc4300000
 #else
 #error "Unsupported platform for GIC"
 #endif

libsel4vmmplatsupport/plat_include/odroidc2/sel4vmmplatsupport/plat/guest_vcpu_util.h

diff --git a/libsel4vmmplatsupport/plat_include/odroidc2/sel4vmmplatsupport/plat/guest_vcpu_util.h b/libsel4vmmplatsupport/plat_include/odroidc2/sel4vmmplatsupport/plat/guest_vcpu_util.h
new file mode 100644
index 0000000..c48d046
--- /dev/null
+++ b/libsel4vmmplatsupport/plat_include/odroidc2/sel4vmmplatsupport/plat/guest_vcpu_util.h
@@ -0,0 +1,13 @@
+/*
+ * Copyright 2020, Data61
+ * Commonwealth Scientific and Industrial Research Organisation (CSIRO)
+ * ABN 41 687 119 230.
+ *
+ * This software may be distributed and modified according to the terms of
+ * the BSD 2-Clause license. Note that NO WARRANTY is provided.
+ * See "LICENSE_BSD2.txt" for details.
+ *
+ * @TAG(DATA61_BSD)
+ */
+
+#define PLAT_CPU_COMPAT "arm,cortex-a53"

libsel4vmmplatsupport/plat_include/odroidc2/sel4vmmplatsupport/plat/vpci.h

diff --git a/libsel4vmmplatsupport/plat_include/odroidc2/sel4vmmplatsupport/plat/vpci.h b/libsel4vmmplatsupport/plat_include/odroidc2/sel4vmmplatsupport/plat/vpci.h
new file mode 100644
index 0000000..8b19401
--- /dev/null
+++ b/libsel4vmmplatsupport/plat_include/odroidc2/sel4vmmplatsupport/plat/vpci.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2020, Data61
+ * Commonwealth Scientific and Industrial Research Organisation (CSIRO)
+ * ABN 41 687 119 230.
+ *
+ * This software may be distributed and modified according to the terms of
+ * the BSD 2-Clause license. Note that NO WARRANTY is provided.
+ * See "LICENSE_BSD2.txt" for details.
+ *
+ * @TAG(DATA61_BSD)
+ */
+#pragma once
+
+/* PCI host bridge memory regions are defined in the pci dts node
+ * supplied to the Linux guest. These values are also reflected here.
+ */
+
+/* PCI host bridge configration space */
+#define PCI_CFG_REGION_ADDR 0x3E000000
+/* PCI host bridge IO space */
+#define PCI_IO_REGION_ADDR 0x3D000000
+/* Size of PCI configuration space */
+#define PCI_CFG_REGION_SIZE 0x1000000
+/* Size of PCI IO space  */
+#define PCI_IO_REGION_SIZE 0x10000
+/* PCI memory space */
+#define PCI_MEM_REGION_ADDR 0x3F000000
+/* PCI memory space size */
+#define PCI_MEM_REGION_SIZE 0x1000000
+
+/* FDT IRQ controller address cells definition */
+#define GIC_ADDRESS_CELLS 0x2

libsel4vmmplatsupport/src/arch/arm/guest_image.c

diff --git a/libsel4vmmplatsupport/src/arch/arm/guest_image.c b/libsel4vmmplatsupport/src/arch/arm/guest_image.c
index cfb8547..9f35270 100644
--- a/libsel4vmmplatsupport/src/arch/arm/guest_image.c
+++ b/libsel4vmmplatsupport/src/arch/arm/guest_image.c
@@ -214,7 +214,8 @@
     /* Determine the load address */
     switch (ret_file_type) {
     case IMG_BIN:
-        if (config_set(CONFIG_PLAT_TX1) || config_set(CONFIG_PLAT_TX2) || config_set(CONFIG_PLAT_QEMU_ARM_VIRT)) {
+        if (config_set(CONFIG_PLAT_TX1) || config_set(CONFIG_PLAT_TX2) || config_set(CONFIG_PLAT_QEMU_ARM_VIRT)
+            || config_set(CONFIG_PLAT_ODROIDC2)) {
             /* This is likely an aarch64/aarch32 linux difference */
             load_addr = load_base_addr + 0x80000;
         } else {