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c87b152072
qemu/hw/i386
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Don Slutz c87b152072 pc & q35: Add new machine opt max-ram-below-4g 
This is a pc & q35 only machine opt.

If you add enough PCI devices then all mmio for them will not fit
below 4G which may not be the layout the user wanted. This allows
you to increase the below 4G address space that PCI devices can use
(aka decrease ram below 4G) and therefore in more cases not have any
mmio that is above 4G.

For example using "-machine pc,max-ram-below-4g=2G" on the command
line will limit the amount of ram that is below 4G to 2G.

Note: this machine option cannot be used to increase the amount
of ram below 4G.

Signed-off-by: Don Slutz <dslutz@verizon.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

MST: fix 32 bit
2014-06-23 18:02:41 +03:00
..
kvm savevm: Remove all the unneeded version_minimum_id_old (x86) 2014-06-16 04:55:26 +02:00
xen savevm: Remove all the unneeded version_minimum_id_old (x86) 2014-06-16 04:55:26 +02:00
acpi-build.c pc: ACPI BIOS: reserve SRAT entry for hotplug mem hole 2014-06-19 16:41:52 +03:00
acpi-build.h i386: ACPI table generation code from seabios 2013-10-14 17:48:57 +03:00
acpi-defs.h acpi: fix endian-ness for table ids 2014-03-18 16:46:07 +02:00
acpi-dsdt-cpu-hotplug.dsl dsdt: tweak ACPI ID for hotplug resource device 2014-04-08 15:22:59 +03:00
acpi-dsdt-dbug.dsl i386: add ACPI table files from seabios 2013-10-14 17:48:51 +03:00
acpi-dsdt-hpet.dsl ACPI: Remove commented-out code from HPET._CRS 2014-02-10 11:09:33 +02:00
acpi-dsdt-isa.dsl ACPI: Fix AppleSMC _STA size 2014-01-26 13:06:48 +02:00
acpi-dsdt-pci-crs.dsl pc: Q35 DSDT: exclude CPU hotplug IO range from PCI bus resources 2014-01-26 13:11:44 +02:00
acpi-dsdt.dsl pc: ACPI BIOS: make GPE.3 handle memory hotplug event on PIIX and Q35 machines 2014-06-19 16:41:52 +03:00
acpi-dsdt.hex.generated acpi: update generated files 2014-06-19 16:41:52 +03:00
bios-linker-loader.c i386: Add missing include file for QEMU_PACKED 2014-02-01 13:43:52 +04:00
bios-linker-loader.h i386: add bios linker/loader 2013-10-14 17:48:52 +03:00
kvmvapic.c savevm: Remove all the unneeded version_minimum_id_old (x86) 2014-06-16 04:55:26 +02:00
Makefile.objs pc: acpi: do not hardcode preprocessor 2014-06-19 18:44:21 +03:00
multiboot.c multiboot: Calculate upper_mem in the ROM 2013-06-28 14:01:52 -05:00
multiboot.h refer to FWCfgState explicitly 2013-06-02 18:14:02 +03:00
pc_piix.c pc & q35: Add new machine opt max-ram-below-4g 2014-06-23 18:02:41 +03:00
pc_q35.c pc & q35: Add new machine opt max-ram-below-4g 2014-06-23 18:02:41 +03:00
pc_sysfw.c hw/i386/pc_sysfw: support two flash drives 2013-12-23 13:12:34 +02:00
pc.c pc & q35: Add new machine opt max-ram-below-4g 2014-06-23 18:02:41 +03:00
q35-acpi-dsdt.dsl pc: ACPI BIOS: make GPE.3 handle memory hotplug event on PIIX and Q35 machines 2014-06-19 16:41:52 +03:00
q35-acpi-dsdt.hex.generated acpi: update generated files 2014-06-19 16:41:52 +03:00
smbios.c smbios: use g_free directly on NULL pointers 2014-06-10 19:39:34 +04:00
ssdt-mem.dsl pc: ACPI BIOS: implement memory hotplug interface 2014-06-19 16:41:51 +03:00
ssdt-mem.hex.generated acpi: update generated files 2014-06-19 16:41:52 +03:00
ssdt-misc.dsl pc: ACPI BIOS: implement memory hotplug interface 2014-06-19 16:41:51 +03:00
ssdt-misc.hex.generated acpi: update generated files 2014-06-19 16:41:52 +03:00
ssdt-pcihp.dsl acpi-build: append description for non-hotplug 2014-03-09 21:09:30 +02:00
ssdt-pcihp.hex.generated acpi: update generated files 2014-06-19 16:41:52 +03:00
ssdt-proc.dsl ssdt: fix PBLK length 2013-10-14 17:48:57 +03:00
ssdt-proc.hex.generated acpi: update generated files 2014-06-19 16:41:52 +03:00