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Author SHA1 Message Date
David Woodhouse b0663641c9 OvmfPkg/Csm/LegacyBiosDxe: Fix Legacy16GetTableAddress call for E820 data 
The DX register is supposed to contain the required alignment for the
allocation. It was zero, and SeaBIOS doesn't (well, didn't) cope well
with that. Set it appropriately.

Also set BX to indicate the regions it's OK to allocate in too. That
wasn't being initialised and was just using whatever the previous user
of the structure had left there.

Finally, actually return an error if the allocation fails. Instead of
going all the way through into the CSM and just letting it have a bogus
pointer to the E820 data.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
 2019-06-14 13:05:49 +08:00
Hao A Wu b522c77bdb OvmfPkg: Copy the required CSM components from framework packages 
REF:https://bugzilla.tianocore.org/show_bug.cgi?id=1811

This commit copies the exact:

Drivers:
* VideoDxe
* LegacyBiosDxe

Libraries:
* LegacyBootMaintUiLib
* LegacyBootManagerLib

Guid header files:
* Legacy Bios Guid
* LegacyDevOrder Guid

Protocol header files:
* Firmware Volume Protocol
* ISA ACPI Protocol
* ISA I/O Protocol
* Legacy BIOS Protocol
* Legacy BIOS Platform Protocol
* Legacy Interrupt Protocol
* VGA Mini Port Protocol

Framework header files (within IntelFrameworkPkg):
* FrameworkDxe.h
* Framework/BootScript.h
* Framework/DxeCis.h
* Framework/FirmwareVolumeHeader.h
* Framework/FirmwareVolumeImageFormat.h
* Framework/FrameworkInternalFormRepresentation.h
* Framework/Hob.h
* Framework/StatusCode.h

from IntelFramework[Module]Pkg to OvmfPkg/Csm/ folder.

Cc: Ray Ni <ray.ni@intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Hao A Wu <hao.a.wu@intel.com>
Reviewed-by: David Woodhouse <dwmw2@infradead.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
 2019-06-14 13:05:33 +08:00