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OvmfPkg/ResetVector: Depend on PCD values of the page tables.

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Currently, the value of the page tables' address is hard-coded in the
ResetVector. This patch replaces these values with a PCD dependency.

A check for the size has been added to alert the developer to rewrite
the ASM according to the new size, if it has been changed.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Marvin Haeuser <Marvin.Haeuser@outlook.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Marvin Häuser
2016-11-04 13:32:39 +00:00
committed by Laszlo Ersek
parent fdaf78424d
commit 73d66c5871
3 changed files with 24 additions and 11 deletions
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5
OvmfPkg/ResetVector/ResetVector.inf
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@@ -29,9 +29,14 @@
ResetVector.nasmb
[Packages]
OvmfPkg/OvmfPkg.dec
MdePkg/MdePkg.dec
UefiCpuPkg/UefiCpuPkg.dec
[BuildOptions]
*_*_IA32_NASMB_FLAGS = -I$(WORKSPACE)/UefiCpuPkg/ResetVector/Vtf0/
*_*_X64_NASMB_FLAGS = -I$(WORKSPACE)/UefiCpuPkg/ResetVector/Vtf0/
[Pcd]
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPageTablesBase
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPageTablesSize