REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4076
RISC-V UEFI based platforms need to support RISCV_EFI_BOOT_PROTOCOL.
Add this protocol GUID definition and the header file required.
Cc: Eric Dong <eric.d...@intel.com>
Cc: Ray Ni <ray...@intel.com>
Cc: Rahul Kumar <rahul1.ku...@intel.com>
Cc: Daniel Schaefer <g...@danielschaefer.me>
Cc: Gerd Hoffmann <kra...@redhat.com>
Signed-off-by: Sunil V L <suni...@ventanamicro.com>
Acked-by: Abner Chang <abner.ch...@amd.com>
Reviewed-by: Heinrich Schuchardt <heinrich.schucha...@canonical.com>
---
UefiCpuPkg/UefiCpuPkg.dec | 7 ++++
UefiCpuPkg/Include/Protocol/RiscVBootProtocol.h | 34 ++++++++++++++++++++
2 files changed, 41 insertions(+)
diff --git a/UefiCpuPkg/UefiCpuPkg.dec b/UefiCpuPkg/UefiCpuPkg.dec
index cff239d5283e..903ad52da91b 100644
--- a/UefiCpuPkg/UefiCpuPkg.dec
+++ b/UefiCpuPkg/UefiCpuPkg.dec
@@ -86,6 +86,13 @@ [Protocols]
## Include/Protocol/SmMonitorInit.h
gEfiSmMonitorInitProtocolGuid = { 0x228f344d, 0xb3de, 0x43bb, { 0xa4, 0xd7,
0xea, 0x20, 0xb, 0x1b, 0x14, 0x82 }}
+[Protocols.RISCV64]
+ #
+ # Protocols defined for RISC-V systems
+ #
+ ## Include/Protocol/RiscVBootProtocol.h
+ gRiscVEfiBootProtocolGuid = { 0xccd15fec, 0x6f73, 0x4eec, { 0x83, 0x95,
0x3e, 0x69, 0xe4, 0xb9, 0x40, 0xbf }}
+
#
# [Error.gUefiCpuPkgTokenSpaceGuid]
# 0x80000001 | Invalid value provided.
diff --git a/UefiCpuPkg/Include/Protocol/RiscVBootProtocol.h
b/UefiCpuPkg/Include/Protocol/RiscVBootProtocol.h
new file mode 100644
index 000000000000..ed223b852d34
--- /dev/null
+++ b/UefiCpuPkg/Include/Protocol/RiscVBootProtocol.h
@@ -0,0 +1,34 @@
+/** @file
+ RISC-V Boot Protocol mandatory for RISC-V UEFI platforms.
+
+ @par Revision Reference:
+ The protocol specification can be found at
+ https://github.com/riscv-non-isa/riscv-uefi
+
+ Copyright (c) 2022, Ventana Micro Systems Inc. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef RISCV_BOOT_PROTOCOL_H_
+#define RISCV_BOOT_PROTOCOL_H_
+
+typedef struct _RISCV_EFI_BOOT_PROTOCOL RISCV_EFI_BOOT_PROTOCOL;
+
+#define RISCV_EFI_BOOT_PROTOCOL_REVISION 0x00010000
+#define RISCV_EFI_BOOT_PROTOCOL_LATEST_VERSION \
+ RISCV_EFI_BOOT_PROTOCOL_REVISION
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_GET_BOOT_HARTID)(
+ IN RISCV_EFI_BOOT_PROTOCOL *This,
+ OUT UINTN *BootHartId
+ );
+
+typedef struct _RISCV_EFI_BOOT_PROTOCOL {
+ UINT64 Revision;
+ EFI_GET_BOOT_HARTID GetBootHartId;
+} RISCV_EFI_BOOT_PROTOCOL;
+
+#endif
--
2.38.0
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