Files
opensbi/include/sbi/sbi_ecall_interface.h
Atish Patra 30f09fbfd1 lib: Provide a platform hook to implement vendor specific SBI extensions.
SBI v0.2 specification allows vendor extensions and it should be
implemented in a independent of the core sbi library.

Introduce a single platform callback that will let platforms handle
all vendor extensions in platform specific code if they want.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
2019-10-03 08:58:51 +05:30

46 lines
1.1 KiB
C

/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2019 Western Digital Corporation or its affiliates.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
*/
#ifndef __SBI_ECALL_INTERFACE_H__
#define __SBI_ECALL_INTERFACE_H__
/* clang-format off */
enum sbi_ext_id {
SBI_EXT_0_1_SET_TIMER = 0x0,
SBI_EXT_0_1_CONSOLE_PUTCHAR = 0x1,
SBI_EXT_0_1_CONSOLE_GETCHAR = 0x2,
SBI_EXT_0_1_CLEAR_IPI = 0x3,
SBI_EXT_0_1_SEND_IPI = 0x4,
SBI_EXT_0_1_REMOTE_FENCE_I = 0x5,
SBI_EXT_0_1_REMOTE_SFENCE_VMA = 0x6,
SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID = 0x7,
SBI_EXT_0_1_SHUTDOWN = 0x8,
SBI_EXT_BASE = 0x10,
};
enum sbi_ext_base_fid {
SBI_EXT_BASE_GET_SPEC_VERSION = 0,
SBI_EXT_BASE_GET_IMP_ID,
SBI_EXT_BASE_GET_IMP_VERSION,
SBI_EXT_BASE_PROBE_EXT,
SBI_EXT_BASE_GET_MVENDORID,
SBI_EXT_BASE_GET_MARCHID,
SBI_EXT_BASE_GET_MIMPID,
};
#define SBI_SPEC_VERSION_MAJOR_OFFSET 24
#define SBI_SPEC_VERSION_MAJOR_MASK 0x7f
#define SBI_SPEC_VERSION_MINOR_MASK 0xffffff
#define SBI_EXT_VENDOR_START 0x09000000
#define SBI_EXT_VENDOR_END 0x09FFFFFF
/* clang-format on */
#endif