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hv: add support of EPT mapping of high MMIO

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Enlarge hypervisor BSS section to support EPT mapping of additional
1G address space. This is used to support 64bit PCI bar whose address
is strictly above 4G.

Tracked-On: #2577
Signed-off-by: Jian Jun Chen <jian.jun.chen@intel.com>
Reviewed-by: Yu Wang <yu1.wang@intel.com>
Reviewed-by: Li, Fei1 <fei1.li@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Jian Jun Chen
2019-02-26 01:18:12 +00:00
committed by wenlingz
parent 29b1ebcd43
commit c69dab0a11
2 changed files with 13 additions and 4 deletions
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4
hypervisor/arch/x86/Kconfig
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@@ -243,8 +243,8 @@ config HV_RAM_START
config HV_RAM_SIZE
hex "Size of the RAM region used by the hypervisor"
default 0x07800000 if PLATFORM_SBL
default 0x0b000000 if PLATFORM_UEFI
default 0x08000000 if PLATFORM_SBL
default 0x0b800000 if PLATFORM_UEFI
help
A 64-bit integer indicating the size of RAM used by the hypervisor.
It is ensured at link time that the footprint of the hypervisor