diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/arm/vexpress.c | 56 |
1 files changed, 53 insertions, 3 deletions
diff --git a/hw/arm/vexpress.c b/hw/arm/vexpress.c index 3631f4d..c02d18e 100644 --- a/hw/arm/vexpress.c +++ b/hw/arm/vexpress.c @@ -172,6 +172,7 @@ typedef struct { typedef struct { MachineState parent; bool secure; + bool virt; } VexpressMachineState; #define TYPE_VEXPRESS_MACHINE "vexpress" @@ -203,7 +204,7 @@ struct VEDBoardInfo { }; static void init_cpus(const char *cpu_type, const char *privdev, - hwaddr periphbase, qemu_irq *pic, bool secure) + hwaddr periphbase, qemu_irq *pic, bool secure, bool virt) { DeviceState *dev; SysBusDevice *busdev; @@ -216,6 +217,11 @@ static void init_cpus(const char *cpu_type, const char *privdev, if (!secure) { object_property_set_bool(cpuobj, false, "has_el3", NULL); } + if (!virt) { + if (object_property_find(cpuobj, "has_el2", NULL)) { + object_property_set_bool(cpuobj, false, "has_el2", NULL); + } + } if (object_property_find(cpuobj, "reset-cbar", NULL)) { object_property_set_int(cpuobj, periphbase, @@ -289,7 +295,8 @@ static void a9_daughterboard_init(const VexpressMachineState *vms, memory_region_add_subregion(sysmem, 0x60000000, ram); /* 0x1e000000 A9MPCore (SCU) private memory region */ - init_cpus(cpu_type, TYPE_A9MPCORE_PRIV, 0x1e000000, pic, vms->secure); + init_cpus(cpu_type, TYPE_A9MPCORE_PRIV, 0x1e000000, pic, + vms->secure, vms->virt); /* Daughterboard peripherals : 0x10020000 .. 0x20000000 */ @@ -370,7 +377,8 @@ static void a15_daughterboard_init(const VexpressMachineState *vms, memory_region_add_subregion(sysmem, 0x80000000, ram); /* 0x2c000000 A15MPCore private memory region (GIC) */ - init_cpus(cpu_type, TYPE_A15MPCORE_PRIV, 0x2c000000, pic, vms->secure); + init_cpus(cpu_type, TYPE_A15MPCORE_PRIV, 0x2c000000, pic, vms->secure, + vms->virt); /* A15 daughterboard peripherals: */ @@ -724,6 +732,20 @@ static void vexpress_set_secure(Object *obj, bool value, Error **errp) vms->secure = value; } +static bool vexpress_get_virt(Object *obj, Error **errp) +{ + VexpressMachineState *vms = VEXPRESS_MACHINE(obj); + + return vms->virt; +} + +static void vexpress_set_virt(Object *obj, bool value, Error **errp) +{ + VexpressMachineState *vms = VEXPRESS_MACHINE(obj); + + vms->virt = value; +} + static void vexpress_instance_init(Object *obj) { VexpressMachineState *vms = VEXPRESS_MACHINE(obj); @@ -738,6 +760,32 @@ static void vexpress_instance_init(Object *obj) NULL); } +static void vexpress_a15_instance_init(Object *obj) +{ + VexpressMachineState *vms = VEXPRESS_MACHINE(obj); + + /* + * For the vexpress-a15, EL2 is by default enabled if EL3 is, + * but can also be specifically set to on or off. + */ + vms->virt = true; + object_property_add_bool(obj, "virtualization", vexpress_get_virt, + vexpress_set_virt, NULL); + object_property_set_description(obj, "virtualization", + "Set on/off to enable/disable the ARM " + "Virtualization Extensions " + "(defaults to same as 'secure')", + NULL); +} + +static void vexpress_a9_instance_init(Object *obj) +{ + VexpressMachineState *vms = VEXPRESS_MACHINE(obj); + + /* The A9 doesn't have the virt extensions */ + vms->virt = false; +} + static void vexpress_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); @@ -784,12 +832,14 @@ static const TypeInfo vexpress_a9_info = { .name = TYPE_VEXPRESS_A9_MACHINE, .parent = TYPE_VEXPRESS_MACHINE, .class_init = vexpress_a9_class_init, + .instance_init = vexpress_a9_instance_init, }; static const TypeInfo vexpress_a15_info = { .name = TYPE_VEXPRESS_A15_MACHINE, .parent = TYPE_VEXPRESS_MACHINE, .class_init = vexpress_a15_class_init, + .instance_init = vexpress_a15_instance_init, }; static void vexpress_machine_init(void) |