Re: [edk2-devel] [edk2-staging/RiscV64QemuVirt PATCH V4 02/34] MdePkg: Add RISCV_EFI_BOOT_PROTOCOL related definitions

["Chang, Abner" <abner.chang@amd.com>]

[AMD Official Use Only - General]

Acked-by: Abner Chang <abner.chang@amd.com>

> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Sunil V L
> via groups.io
> Sent: Saturday, October 15, 2022 12:48 AM
> To: devel@edk2.groups.io
> Cc: Michael D Kinney <michael.d.kinney@intel.com>; Liming Gao
> <gaoliming@byosoft.com.cn>; Zhiguang Liu <zhiguang.liu@intel.com>
> Subject: [edk2-devel] [edk2-staging/RiscV64QemuVirt PATCH V4 02/34]
> MdePkg: Add RISCV_EFI_BOOT_PROTOCOL related definitions
> 
> Caution: This message originated from an External Source. Use proper
> caution when opening attachments, clicking links, or responding.
> 
> 
> REF:
> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugz
> illa.tianocore.org%2Fshow_bug.cgi%3Fid%3D4076&amp;data=05%7C01%7Ca
> bner.chang%40amd.com%7C83fc42c310e04d905e7208daae03fd46%7C3dd89
> 61fe4884e608e11a82d994e183d%7C0%7C0%7C638013629413405613%7CUnkn
> own%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik
> 1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=ExRytZCEzuFM1
> rBm%2BPJR35Kh%2F73nud8TISooZQA8oTk%3D&amp;reserved=0
> 
> RISC-V UEFI based platforms need to support RISCV_EFI_BOOT_PROTOCOL.
> Add this protocol GUID definition and the header file required.
> 
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Cc: Liming Gao <gaoliming@byosoft.com.cn>
> Cc: Zhiguang Liu <zhiguang.liu@intel.com>
> Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
> ---
>  MdePkg/MdePkg.dec                           |  5 +++
>  MdePkg/Include/Protocol/RiscVBootProtocol.h | 34
> ++++++++++++++++++++
>  2 files changed, 39 insertions(+)
> 
> diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec index
> 4c81cbd75ab2..dda1d5e15b9f 100644
> --- a/MdePkg/MdePkg.dec
> +++ b/MdePkg/MdePkg.dec
> @@ -1918,6 +1918,11 @@ [Protocols]
>    #
>    ## Include/Protocol/ShellDynamicCommand.h
>    gEfiShellDynamicCommandProtocolGuid  = { 0x3c7200e9, 0x005f, 0x4ea4,
> {0x87, 0xde, 0xa3, 0xdf, 0xac, 0x8a, 0x27, 0xc3 }}
> +  #
> +  # Protocols defined for RISC-V systems  #  ##
> + Include/Protocol/RiscVBootProtocol.h
> +  gRiscVEfiBootProtocolGuid  = { 0xccd15fec, 0x6f73, 0x4eec, { 0x83,
> + 0x95, 0x3e, 0x69, 0xe4, 0xb9, 0x40, 0xbf }}
> 
>  #
>  # [Error.gEfiMdePkgTokenSpaceGuid]
> diff --git a/MdePkg/Include/Protocol/RiscVBootProtocol.h
> b/MdePkg/Include/Protocol/RiscVBootProtocol.h
> new file mode 100644
> index 000000000000..ed223b852d34
> --- /dev/null
> +++ b/MdePkg/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://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgith
> + ub.com%2Friscv-non-isa%2Friscv-
> uefi&amp;data=05%7C01%7Cabner.chang%40a
> +
> md.com%7C83fc42c310e04d905e7208daae03fd46%7C3dd8961fe4884e608e11
> a82d99
> +
> 4e183d%7C0%7C0%7C638013629413405613%7CUnknown%7CTWFpbGZsb3d8
> eyJWIjoiMC
> +
> 4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%
> 7C%7C%
> +
> 7C&amp;sdata=9jNorRN9%2FolRl%2F2prsoKUS%2BraT7fNEbxe2wNLrsdPPY
> %3D&amp;
> + reserved=0
> +
> +  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
> 
> 
> 
> 
>