diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/arm/virt.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/hw/arm/virt.c b/hw/arm/virt.c index d284a602e8..8b2b991d97 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -66,6 +66,7 @@ #include "hw/intc/arm_gicv3_its_common.h" #include "hw/irq.h" #include "kvm_arm.h" +#include "hvf_arm.h" #include "hw/firmware/smbios.h" #include "qapi/visitor.h" #include "qapi/qapi-visit-common.h" @@ -3034,7 +3035,35 @@ static int virt_kvm_type(MachineState *ms, const char *type_str) static int virt_hvf_get_physical_address_range(MachineState *ms) { - return 0; + VirtMachineState *vms = VIRT_MACHINE(ms); + + int default_ipa_size = hvf_arm_get_default_ipa_bit_size(); + int max_ipa_size = hvf_arm_get_max_ipa_bit_size(); + + /* We freeze the memory map to compute the highest gpa */ + virt_set_memmap(vms, max_ipa_size); + + int requested_ipa_size = 64 - clz64(vms->highest_gpa); + + /* + * If we're <= the default IPA size just use the default. + * If we're above the default but below the maximum, round up to + * the maximum. hvf_arm_get_max_ipa_bit_size() conveniently only + * returns values that are valid ARM PARange values. + */ + if (requested_ipa_size <= default_ipa_size) { + requested_ipa_size = default_ipa_size; + } else if (requested_ipa_size <= max_ipa_size) { + requested_ipa_size = max_ipa_size; + } else { + error_report("-m and ,maxmem option values " + "require an IPA range (%d bits) larger than " + "the one supported by the host (%d bits)", + requested_ipa_size, max_ipa_size); + return -1; + } + + return requested_ipa_size; } static void virt_machine_class_init(ObjectClass *oc, void *data) |