import

qemu/hw/arm/Makefile.objs

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+obj-y += tosa.o
+obj-y += virt.o

qemu/hw/arm/tosa.c

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+/* vim:set shiftwidth=4 ts=4 et: */
+/*
+ * PXA255 Sharp Zaurus SL-6000 PDA platform
+ *
+ * Copyright (c) 2008 Dmitry Baryshkov
+ *
+ * Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>
+ * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
+ */
+
+#include "hw/hw.h"
+#include "hw/arm/arm.h"
+#include "hw/boards.h"
+#include "exec/address-spaces.h"
+
+
+static void tosa_init(struct uc_struct *uc, MachineState *machine)
+{
+    cpu_arm_init(uc, "pxa255");
+}
+
+void tosa_machine_init(struct uc_struct *uc)
+{
+    static QEMUMachine tosapda_machine = {
+        .name = "tosa",
+        .init = tosa_init,
+        .is_default = 1,
+        .arch = UC_ARCH_ARM,
+    };
+
+    qemu_register_machine(uc, &tosapda_machine, TYPE_MACHINE, NULL);
+}

qemu/hw/arm/virt.c

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+/*
+ * ARM mach-virt emulation
+ *
+ * Copyright (c) 2013 Linaro Limited
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2 or later, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Emulate a virtual board which works by passing Linux all the information
+ * it needs about what devices are present via the device tree.
+ * There are some restrictions about what we can do here:
+ *  + we can only present devices whose Linux drivers will work based
+ *    purely on the device tree with no platform data at all
+ *  + we want to present a very stripped-down minimalist platform,
+ *    both because this reduces the security attack surface from the guest
+ *    and also because it reduces our exposure to being broken when
+ *    the kernel updates its device tree bindings and requires further
+ *    information in a device binding that we aren't providing.
+ * This is essentially the same approach kvmtool uses.
+ */
+
+/* Unicorn Emulator Engine */
+/* By Nguyen Anh Quynh, 2015 */
+
+#include "hw/arm/arm.h"
+#include "hw/boards.h"
+#include "exec/address-spaces.h"
+
+
+static void machvirt_init(struct uc_struct *uc, MachineState *machine)
+{
+    const char *cpu_model = machine->cpu_model;
+    int n;
+
+    if (!cpu_model) {
+        cpu_model = "cortex-a57";   // ARM64
+    }
+
+    for (n = 0; n < smp_cpus; n++) {
+        Object *cpuobj;
+        ObjectClass *oc = cpu_class_by_name(uc, TYPE_ARM_CPU, cpu_model);
+
+        if (!oc) {
+            fprintf(stderr, "Unable to find CPU definition\n");
+            exit(1);
+        }
+
+        cpuobj = object_new(uc, object_class_get_name(oc));
+        object_property_set_bool(uc, cpuobj, true, "realized", NULL);
+    }
+}
+
+void machvirt_machine_init(struct uc_struct *uc)
+{
+    static QEMUMachine machvirt_a15_machine = {
+        .name = "virt",
+        .init = machvirt_init,
+        .is_default = 1,
+        .arch = UC_ARCH_ARM64,
+    };
+
+    qemu_register_machine(uc, &machvirt_a15_machine, TYPE_MACHINE, NULL);
+}