target/riscv/sbi_ecall_interface.h

   1 /*
   2  * SPDX-License-Identifier: BSD-2-Clause
   3  *
   4  * Copyright (c) 2019 Western Digital Corporation or its affiliates.
   5  *
   6  * Authors:
   7  *   Anup Patel <anup.patel@wdc.com>
   8  */
   9
  10 #ifndef __SBI_ECALL_INTERFACE_H__
  11 #define __SBI_ECALL_INTERFACE_H__
  12
  13 /* clang-format off */
  14
  15 /* SBI Extension IDs */
  16 #define SBI_EXT_0_1_SET_TIMER           0x0
  17 #define SBI_EXT_0_1_CONSOLE_PUTCHAR     0x1
  18 #define SBI_EXT_0_1_CONSOLE_GETCHAR     0x2
  19 #define SBI_EXT_0_1_CLEAR_IPI           0x3
  20 #define SBI_EXT_0_1_SEND_IPI            0x4
  21 #define SBI_EXT_0_1_REMOTE_FENCE_I      0x5
  22 #define SBI_EXT_0_1_REMOTE_SFENCE_VMA   0x6
  23 #define SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID 0x7
  24 #define SBI_EXT_0_1_SHUTDOWN            0x8
  25 #define SBI_EXT_BASE                    0x10
  26 #define SBI_EXT_TIME                    0x54494D45
  27 #define SBI_EXT_IPI                     0x735049
  28 #define SBI_EXT_RFENCE                  0x52464E43
  29 #define SBI_EXT_HSM                     0x48534D
  30
  31 /* SBI function IDs for BASE extension*/
  32 #define SBI_EXT_BASE_GET_SPEC_VERSION   0x0
  33 #define SBI_EXT_BASE_GET_IMP_ID         0x1
  34 #define SBI_EXT_BASE_GET_IMP_VERSION    0x2
  35 #define SBI_EXT_BASE_PROBE_EXT          0x3
  36 #define SBI_EXT_BASE_GET_MVENDORID      0x4
  37 #define SBI_EXT_BASE_GET_MARCHID        0x5
  38 #define SBI_EXT_BASE_GET_MIMPID         0x6
  39
  40 /* SBI function IDs for TIME extension*/
  41 #define SBI_EXT_TIME_SET_TIMER          0x0
  42
  43 /* SBI function IDs for IPI extension*/
  44 #define SBI_EXT_IPI_SEND_IPI            0x0
  45
  46 /* SBI function IDs for RFENCE extension*/
  47 #define SBI_EXT_RFENCE_REMOTE_FENCE_I       0x0
  48 #define SBI_EXT_RFENCE_REMOTE_SFENCE_VMA    0x1
  49 #define SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID  0x2
  50 #define SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA   0x3
  51 #define SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA_VMID 0x4
  52 #define SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA   0x5
  53 #define SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID 0x6
  54
  55 /* SBI function IDs for HSM extension */
  56 #define SBI_EXT_HSM_HART_START          0x0
  57 #define SBI_EXT_HSM_HART_STOP           0x1
  58 #define SBI_EXT_HSM_HART_GET_STATUS     0x2
  59
  60 #define SBI_HSM_HART_STATUS_STARTED     0x0
  61 #define SBI_HSM_HART_STATUS_STOPPED     0x1
  62 #define SBI_HSM_HART_STATUS_START_PENDING   0x2
  63 #define SBI_HSM_HART_STATUS_STOP_PENDING    0x3
  64
  65 #define SBI_SPEC_VERSION_MAJOR_OFFSET   24
  66 #define SBI_SPEC_VERSION_MAJOR_MASK     0x7f
  67 #define SBI_SPEC_VERSION_MINOR_MASK     0xffffff
  68 #define SBI_EXT_VENDOR_START            0x09000000
  69 #define SBI_EXT_VENDOR_END              0x09FFFFFF
  70 /* clang-format on */
  71
  72 #endif