AtaBusDxe: Fix ReadBlockEx andWriteBlockEx to still signal event when the BufferSize is 0.
DiskIoDxe: Fix ReadDiskEx and WriteDiskEx to not modify the user’s buffer when the BufferSize is 0.
DiskIoDxe: Fix ReadDiskEx and WriteDiskEx hang issue when the submitted blockio2 task is completed before submitting another blockio2 task.
DiskIoDxe: Fix FlushEx to free the flush task item in callback (memory leak issue).

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16215 6f19259b-4bc3-4df7-8a09-765794883524
Prevent EBDA area being overwritten, get the size info from the address 0x40E. If can’t get the size info, then use the default value for it.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16216 6f19259b-4bc3-4df7-8a09-765794883524
Add comments for FSVariable driver which used by Duet platform only, trust all meta data for this platform.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16217 6f19259b-4bc3-4df7-8a09-765794883524
Add comments for FSVariable driver which used by Duet platform only, trust all meta data for this platform.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16218 6f19259b-4bc3-4df7-8a09-765794883524
ArmVirtualizationPkg: FdtPL011SerialPortLib: support UEFI_APPLICATION

The library already supports UEFI_DRIVER, we just need to relax the
restriction list.

This allows ArmVirtualizationPkg platforms to build applications, like the
UEFI shell.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-By:  Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16219 6f19259b-4bc3-4df7-8a09-765794883524
MdePkg BaseLib: EXTERNDEF=>EXTERN in X64/SetJump

NASM doesn't support EXTERNDEF, so convert this to EXTERN.

This will make it easier to convert this code to NASM using an
automated script.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
MdePkg BaseMemoryLibSse2: Use movq for 64-bit move to xmm0

movd is intended for a 32-bit move, but we want to use a 64-bit move
of r8 into the low 64-bits of xmm0.

After converting this code to NASM, this error will be reported:
error: invalid combination of opcode and operands

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
BaseTools: Add ConvertMasmToNasm.py script

This script is intended to assist with MASM to NASM syntax
conversions.

The output should be manually inspected and further adjusted as
needed, since it does not provide a perfect conversion.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>