u-boot/include/efi_riscv.h
Sunil V L 1ccf87165e efi_loader: Enable RISCV_EFI_BOOT_PROTOCOL support
This adds support for new RISCV_EFI_BOOT_PROTOCOL to
communicate the boot hart ID to bootloader/kernel on RISC-V
UEFI platforms.

The specification of the protocol is hosted at:
https://github.com/riscv-non-isa/riscv-uefi

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2022-01-29 10:23:40 +01:00

24 lines
588 B
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* RISCV_EFI_BOOT_PROTOCOL
*
* Copyright (c) 2022 Ventana Micro Systems Inc
*/
#include <efi_api.h>
#define RISCV_EFI_BOOT_PROTOCOL_REVISION 0x00010000
/**
* struct riscv_efi_boot_protocol - RISCV_EFI_BOOT_PROTOCOL
* @revision: Version of the protocol implemented
* @get_boot_hartid: Get the boot hart ID
*/
struct riscv_efi_boot_protocol {
u64 revision;
efi_status_t (EFIAPI * get_boot_hartid) (struct riscv_efi_boot_protocol *this,
efi_uintn_t *boot_hartid);
};
extern struct riscv_efi_boot_protocol riscv_efi_boot_prot;