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pc: Save size of RAM below 4GB

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The ram_below_4g value will be useful in other places, such as the ACPI
table code, and other code that currently requires passing
below_4g_mem_size around in function arguments.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Eduardo Habkost 2014-01-09 17:12:42 -02:00 • committed by Michael S. Tsirkin
parent 306077640a
commit f30ee8a968
2 changed files with 2 additions and 1 deletions
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1
hw/i386/pc.c
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@ -1072,6 +1072,7 @@ PcGuestInfo *pc_guest_info_init(ram_addr_t below_4g_mem_size,
PcGuestInfo *guest_info = &guest_info_state->info; PcGuestInfo *guest_info = &guest_info_state->info;
int i, j; int i, j;
guest_info->ram_size_below_4g = below_4g_mem_size;
guest_info->ram_size = below_4g_mem_size + above_4g_mem_size; guest_info->ram_size = below_4g_mem_size + above_4g_mem_size;
guest_info->apic_id_limit = pc_apic_id_limit(max_cpus); guest_info->apic_id_limit = pc_apic_id_limit(max_cpus);
guest_info->apic_xrupt_override = kvm_allows_irq0_override(); guest_info->apic_xrupt_override = kvm_allows_irq0_override();

2
include/hw/i386/pc.h
View file

@ -35,7 +35,7 @@ typedef struct PcPciInfo {
struct PcGuestInfo { struct PcGuestInfo {
bool has_pci_info; bool has_pci_info;
bool isapc_ram_fw; bool isapc_ram_fw;
hwaddr ram_size; hwaddr ram_size, ram_size_below_4g;
unsigned apic_id_limit; unsigned apic_id_limit;
bool apic_xrupt_override; bool apic_xrupt_override;
uint64_t numa_nodes; uint64_t numa_nodes;