[edk2-devel] [PATCH 0/7] OvmfPkg, ArmVirtPkg: control PXE v4/v6 boot support from the QEMU cmdline

[Laszlo Ersek]

On 04/24/20 09:53, Laszlo Ersek wrote:
> Ref:    https://bugzilla.tianocore.org/show_bug.cgi?id=2681
> Repo:   https://pagure.io/lersek/edk2.git
> Branch: pxe_fw_cfg
> 
> With this series applied, the QEMU command line options listed below
> control whether the guest firmware supports PXEv4 / PXEv6 boot. And
> correspondingly, whether UefiBootManagerLib generates *new* PXEv4 /
> PXEv6 boot options automatically. (Existent boot options are never
> deleted in response to just the flags below.)
> 
>   -fw_cfg name=opt/org.tianocore/IPv4PXESupport,string=[yn]
> 
>   -fw_cfg name=opt/org.tianocore/IPv6PXESupport,string=[yn]

Merged as commit range 64ab457d1f21..cdc3fa54184a, via
<https://github.com/tianocore/edk2/pull/556>.

I thank everyone for the feedback.

Phil, regarding your comment under patch#5: the PCD "get" interfaces do
not have "deprecated" vs. "current" variants. Only the "set" interfaces
do. "Get" is always supposed to succeed. "Set" may fail.

See commit 9a3558419509 ("MdePkg: Add a set of PcdSetXXS APIs into
PcdLib and remove the ASSERT in original PcdSetXX APIs.", 2015-04-10).

See also EFI_PCD_PROTOCOL in the Platform Init spec:
<https://uefi.org/specifications>.

Thanks!
Laszlo

> 
> Cc: Ard Biesheuvel <ard.biesheuvel at arm.com>
> Cc: Jordan Justen <jordan.l.justen at intel.com>
> Cc: Leif Lindholm <leif at nuviainc.com>
> Cc: Per Sundstrom <per_sundstrom at yahoo.com>
> Cc: Philippe Mathieu-Daudé <philmd at redhat.com>
> 
> Thanks
> Laszlo
> 
> Laszlo Ersek (7):
>   OvmfPkg: introduce QemuFwCfgSimpleParserLib
>   OvmfPkg/PlatformPei: parse "X-PciMmio64Mb" with
>     QemuFwCfgSimpleParserLib
>   OvmfPkg/PlatformPei: use QemuFwCfgParseBool in
>     UPDATE_BOOLEAN_PCD_FROM_...
>   OvmfPkg/QemuFwCfgDxeLib: allow UEFI_DRIVER modules
>   OvmfPkg: control PXEv4 / PXEv6 boot support from the QEMU command line
>   ArmVirtPkg/QemuFwCfgLib: allow UEFI_DRIVER modules
>   ArmVirtPkg: control PXEv4 / PXEv6 boot support from the QEMU command
>     line
> 
>  ArmVirtPkg/ArmVirtQemu.dsc                                            |  13 +
>  ArmVirtPkg/ArmVirtQemuKernel.dsc                                      |  13 +
>  ArmVirtPkg/Library/QemuFwCfgLib/QemuFwCfgLib.inf                      |   2 +-
>  OvmfPkg/Include/Library/QemuFwCfgSimpleParserLib.h                    | 128 +++++++
>  OvmfPkg/Library/PxeBcPcdProducerLib/PxeBcPcd.c                        |  39 ++
>  OvmfPkg/Library/PxeBcPcdProducerLib/PxeBcPcdProducerLib.inf           |  33 ++
>  OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgDxeLib.inf                      |   2 +-
>  OvmfPkg/Library/QemuFwCfgSimpleParserLib/QemuFwCfgSimpleParser.c      | 398 ++++++++++++++++++++
>  OvmfPkg/Library/QemuFwCfgSimpleParserLib/QemuFwCfgSimpleParserLib.inf |  27 ++
>  OvmfPkg/OvmfPkg.dec                                                   |   4 +
>  OvmfPkg/OvmfPkgIa32.dsc                                               |  10 +
>  OvmfPkg/OvmfPkgIa32X64.dsc                                            |  11 +
>  OvmfPkg/OvmfPkgX64.dsc                                                |  10 +
>  OvmfPkg/PlatformPei/MemDetect.c                                       |  36 +-
>  OvmfPkg/PlatformPei/Platform.c                                        |  47 +--
>  OvmfPkg/PlatformPei/PlatformPei.inf                                   |   1 +
>  16 files changed, 712 insertions(+), 62 deletions(-)
>  create mode 100644 OvmfPkg/Include/Library/QemuFwCfgSimpleParserLib.h
>  create mode 100644 OvmfPkg/Library/PxeBcPcdProducerLib/PxeBcPcd.c
>  create mode 100644 OvmfPkg/Library/PxeBcPcdProducerLib/PxeBcPcdProducerLib.inf
>  create mode 100644 OvmfPkg/Library/QemuFwCfgSimpleParserLib/QemuFwCfgSimpleParser.c
>  create mode 100644 OvmfPkg/Library/QemuFwCfgSimpleParserLib/QemuFwCfgSimpleParserLib.inf
> 


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