[platform/devel-riscvplatforms PATCHv1 0/2] New RISC-V patches

["Daniel Schaefer" <daniel.schaefer@hpe.com>]

We have moved most of our RISC-V implementation to edk2-platforms now, only the
absolute minimum is in edk2, already merged.
All other patches going into edk2-platforms have already been merged, these are new.

The first adds opensbi as a submodule. We wanted to have it reviewed because it
would be the first submodule in the edk2-platforms repository. Is that okay?

Since we are now running PEI in addition to DXE in S-Mode (like Ring 3 in x86),
we need to call into the SBI interface. The new library provides an interface
for EDK2 code to do that. It just wraps the ecall assembly instruction as a C
interface with EDK2-style return codes.

Cc: Gilbert Chen <gilbert.chen@hpe.com>
Cc: Abner Chang <abner.chang@hpe.com>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>

Daniel Schaefer (2):
  ProcessorPkg/RiscVOpensbLlib: Add submodule opensbi
  ProcessorPkg/Library: Add EDK2 RISC-V OpenSBI library.

 Silicon/RISC-V/ProcessorPkg/Library/RiscVOpensbiLib/RiscVOpensbiLib.inf | 60 +++++++++++++++
 Silicon/RISC-V/ProcessorPkg/Include/IndustryStandard/RiscVOpensbi.h     | 79 ++++++++++++++++++++
 Silicon/RISC-V/ProcessorPkg/Include/OpensbiTypes.h                      | 66 ++++++++++++++++
 .gitmodules                                                             |  3 +
 Silicon/RISC-V/ProcessorPkg/Library/RiscVOpensbiLib/opensbi             |  1 +
 5 files changed, 209 insertions(+)
 create mode 100644 Silicon/RISC-V/ProcessorPkg/Library/RiscVOpensbiLib/RiscVOpensbiLib.inf
 create mode 100644 Silicon/RISC-V/ProcessorPkg/Include/IndustryStandard/RiscVOpensbi.h
 create mode 100644 Silicon/RISC-V/ProcessorPkg/Include/OpensbiTypes.h
 create mode 100644 .gitmodules
 create mode 160000 Silicon/RISC-V/ProcessorPkg/Library/RiscVOpensbiLib/opensbi

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