[edk2-devel] [PATCH v7 0/5] Cache Management Operations Support For RISC-V
Dhaval Sharma
dhaval at rivosinc.com
Sun Oct 29 14:46:08 UTC 2023
Implementing code to support Cache Management Operations (CMO) defined by
RISC-V CMO instructions.https://github.com/riscv/riscv-CMOs
This is a re-write of original series v5.
The patchset contains 5 patches- created based on V5 feedback.
1. Restructuring of existing code and move instruction declarations into BaseLib
2. Renaming existing functions to denote type of instruction used to maanage cache.
This is useful for further patches where more cache management instructions are added.
3. Add the new cache maintenance operations to BaseLib, including the
new assembly instruction encodings.
4. Update BaseCacheMaintenanceLib (utilizing the new BaseLib primitives)
5. Add platform level PCD to allow overriding of RISC-V features.
Cc: Ard Biesheuvel <ardb+tianocore at kernel.org>
Cc: Jiewen Yao <jiewen.yao at intel.com>
Cc: Jordan Justen <jordan.l.justen at intel.com>
Cc: Gerd Hoffmann <kraxel at redhat.com>
Cc: Sunil V L <sunilvl at ventanamicro.com>
Cc: Andrei Warkentin <andrei.warkentin at intel.com>
Cc: Laszlo Ersek <lersek at redhat.com>
Cc: Michael D Kinney <michael.d.kinney at intel.com>
Cc: Liming Gao <gaoliming at byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu at intel.com>
Cc: Daniel Schaefer <git at danielschaefer.me>
Dhaval (5):
MdePkg: Move RISC-V Cache Management Declarations Into BaseLib
MdePkg: Rename Cache Management Function To Clarify Fence Based Op
MdePkg: Implement RISC-V Cache Management Operations
MdePkg: Utilize Cache Management Operations Implementation For RISC-V
OvmfPkg/RiscVVirt: Override for RV CPU Features
MdePkg/MdePkg.dec | 8 +
OvmfPkg/RiscVVirt/RiscVVirt.dsc.inc | 1 +
MdePkg/Library/BaseCacheMaintenanceLib/BaseCacheMaintenanceLib.inf | 5 +
MdePkg/Library/BaseLib/BaseLib.inf | 2 +-
MdePkg/Include/Library/BaseLib.h | 53 ++++++
MdePkg/Library/BaseCacheMaintenanceLib/RiscVCache.c | 172 ++++++++++++++++----
MdePkg/Include/RiscV64/RiscVasm.inc | 19 +++
MdePkg/Library/BaseLib/RiscV64/FlushCache.S | 21 ---
MdePkg/Library/BaseLib/RiscV64/RiscVCacheMgmt.S | 38 +++++
MdePkg/MdePkg.uni | 4 +
10 files changed, 269 insertions(+), 54 deletions(-)
create mode 100644 MdePkg/Include/RiscV64/RiscVasm.inc
delete mode 100644 MdePkg/Library/BaseLib/RiscV64/FlushCache.S
create mode 100644 MdePkg/Library/BaseLib/RiscV64/RiscVCacheMgmt.S
--
2.39.2
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