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Author SHA1 Message Date
Michael D Kinney 9792fb0e65 ArmVirtPkg: Replace BSD License with BSD+Patent License 
https://bugzilla.tianocore.org/show_bug.cgi?id=1373

Replace BSD 2-Clause License with BSD+Patent License.  This change is
based on the following emails:

  https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html
  https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html

RFCs with detailed process for the license change:

  V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html
  V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html
  V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
 2019-04-09 09:10:21 -07:00
Ard Biesheuvel 048651260b ArmVirtPkg: create QemuVirtMemInfoLib version for ArmVirtQemu 
The QemuVirtMemInfoLib ArmVirtMemInfoLib implementation created for
ArmVirtQemuKernel does exactly what we need for ArmVirtQemu, the only
difference being that the latter is PrePeiCore based, and so it uses
a different method to ensure that PcdSystemMemorySize is set when
ArmVirtGetMemoryMap() is called.

On ArmVirtQemu, we currently abuse the implied ordering guarantees
provided by ArmPlatformLib, by implementing this as follows:

  ArmPlatformPkg/MemoryInitPei/MemoryInitPeim.inf [ArmVirtPkg/ArmVirtQemu.dsc]
    InitializeMemory()                            [ArmPlatformPkg/MemoryInitPei/MemoryInitPeim.c]
      ArmPlatformInitializeSystemMemory()         [ArmVirtPkg/Library/ArmVirtPlatformLib/Virt.c]
        //
        // set PcdSystemMemorySize from the DT
        //
      MemoryPeim()                                [ArmVirtPkg/Library/ArmVirtMemoryInitPeiLib/ArmVirtMemoryInitPeiLib.c]
        InitMmu()                                 [ArmVirtPkg/Library/ArmVirtMemoryInitPeiLib/ArmVirtMemoryInitPeiLib.c]
          ArmPlatformGetVirtualMemoryMap()        [ArmVirtPkg/Library/ArmVirtPlatformLib/VirtMem.c]
            //
            // consume PcdSystemMemorySize
            //

Given that we are trying to get rid of ArmPlatformLib, or at least remove
some of these API functions that are never used for their original purpose
by any platforms, we need to move the PCD assignment elsewhere.

So create a PEIM-only version of QemuVirtMemInfoLib especially for
ArmVirtQemu, and add the PCD assignment code to its constructor.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
 2017-11-23 16:53:26 +00:00