From 17ec075a651a3f9613429c2d97018fce459ed943 Mon Sep 17 00:00:00 2001 From: Eric Auger Date: Fri, 22 Jun 2018 13:28:37 +0100 Subject: [PATCH] hw/arm/virt: Use 256MB ECAM region by default With this patch, virt-3.0 machine uses a new 256MB ECAM region by default instead of the legacy 16MB one, if highmem is set (LPAE supported by the guest) and (!firmware_loaded || aarch64). Indeed aarch32 mode FW may not support this high ECAM region. Signed-off-by: Eric Auger Reviewed-by: Laszlo Ersek Reviewed-by: Andrew Jones Message-id: 1529072910-16156-11-git-send-email-eric.auger@redhat.com Signed-off-by: Peter Maydell --- hw/arm/virt.c | 10 ++++++++++ include/hw/arm/virt.h | 1 + 2 files changed, 11 insertions(+) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index d8abf89e8c..0f8bfa57d7 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -1318,6 +1318,7 @@ static void machvirt_init(MachineState *machine) int n, virt_max_cpus; MemoryRegion *ram = g_new(MemoryRegion, 1); bool firmware_loaded = bios_name || drive_get(IF_PFLASH, 0, 0); + bool aarch64 = true; /* We can probe only here because during property set * KVM is not available yet @@ -1433,6 +1434,8 @@ static void machvirt_init(MachineState *machine) numa_cpu_pre_plug(&possible_cpus->cpus[cs->cpu_index], DEVICE(cpuobj), &error_fatal); + aarch64 &= object_property_get_bool(cpuobj, "aarch64", NULL); + if (!vms->secure) { object_property_set_bool(cpuobj, false, "has_el3", NULL); } @@ -1491,6 +1494,8 @@ static void machvirt_init(MachineState *machine) create_uart(vms, pic, VIRT_SECURE_UART, secure_sysmem, serial_hd(1)); } + vms->highmem_ecam &= vms->highmem && (!firmware_loaded || aarch64); + create_rtc(vms, pic); create_pcie(vms, pic); @@ -1788,6 +1793,8 @@ static void virt_3_0_instance_init(Object *obj) "Set GIC version. " "Valid values are 2, 3 and host", NULL); + vms->highmem_ecam = !vmc->no_highmem_ecam; + if (vmc->no_its) { vms->its = false; } else { @@ -1825,8 +1832,11 @@ static void virt_2_12_instance_init(Object *obj) static void virt_machine_2_12_options(MachineClass *mc) { + VirtMachineClass *vmc = VIRT_MACHINE_CLASS(OBJECT_CLASS(mc)); + virt_machine_3_0_options(mc); SET_MACHINE_COMPAT(mc, VIRT_COMPAT_2_12); + vmc->no_highmem_ecam = true; } DEFINE_VIRT_MACHINE(2, 12) diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h index 085fdcc287..9a870ccb6a 100644 --- a/include/hw/arm/virt.h +++ b/include/hw/arm/virt.h @@ -98,6 +98,7 @@ typedef struct { bool no_pmu; bool claim_edge_triggered_timers; bool smbios_old_sys_ver; + bool no_highmem_ecam; } VirtMachineClass; typedef struct {