diff options
| -rw-r--r-- | hw/i386/pc_q35.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 07f38ff704..710464598e 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -51,6 +51,7 @@ static bool has_pci_info; static bool has_acpi_build = true; static bool smbios_type1_defaults = true; +static bool gigabyte_align = true; /* PC hardware initialisation */ static void pc_q35_init(QEMUMachineInitArgs *args) @@ -93,8 +94,9 @@ static void pc_q35_init(QEMUMachineInitArgs *args) kvmclock_create(); if (args->ram_size >= 0xb0000000) { - above_4g_mem_size = args->ram_size - 0xb0000000; - below_4g_mem_size = 0xb0000000; + ram_addr_t lowmem = gigabyte_align ? 0x80000000 : 0xb0000000; + above_4g_mem_size = args->ram_size - lowmem; + below_4g_mem_size = lowmem; } else { above_4g_mem_size = 0; below_4g_mem_size = args->ram_size; @@ -228,6 +230,7 @@ static void pc_q35_init(QEMUMachineInitArgs *args) static void pc_compat_1_7(QEMUMachineInitArgs *args) { smbios_type1_defaults = false; + gigabyte_align = false; } static void pc_compat_1_6(QEMUMachineInitArgs *args) |