2 * RISC-V ACLINT (Advanced Core Local Interruptor) interface
4 * Copyright (c) 2016-2017 Sagar Karandikar, sagark@eecs.berkeley.edu
5 * Copyright (c) 2017 SiFive, Inc.
6 * Copyright (c) 2021 Western Digital Corporation or its affiliates.
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms and conditions of the GNU General Public License,
10 * version 2 or later, as published by the Free Software Foundation.
12 * This program is distributed in the hope it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
17 * You should have received a copy of the GNU General Public License along with
18 * this program. If not, see <http://www.gnu.org/licenses/>.
21 #ifndef HW_RISCV_ACLINT_H
22 #define HW_RISCV_ACLINT_H
24 #include "hw/sysbus.h"
26 #define TYPE_RISCV_ACLINT_MTIMER "riscv.aclint.mtimer"
28 #define RISCV_ACLINT_MTIMER(obj) \
29 OBJECT_CHECK(RISCVAclintMTimerState, (obj), TYPE_RISCV_ACLINT_MTIMER)
31 typedef struct RISCVAclintMTimerState
{
33 SysBusDevice parent_obj
;
42 uint32_t timecmp_base
;
44 uint32_t aperture_size
;
45 uint32_t timebase_freq
;
47 } RISCVAclintMTimerState
;
49 DeviceState
*riscv_aclint_mtimer_create(hwaddr addr
, hwaddr size
,
50 uint32_t hartid_base
, uint32_t num_harts
,
51 uint32_t timecmp_base
, uint32_t time_base
, uint32_t timebase_freq
,
54 #define TYPE_RISCV_ACLINT_SWI "riscv.aclint.swi"
56 #define RISCV_ACLINT_SWI(obj) \
57 OBJECT_CHECK(RISCVAclintSwiState, (obj), TYPE_RISCV_ACLINT_SWI)
59 typedef struct RISCVAclintSwiState
{
61 SysBusDevice parent_obj
;
69 } RISCVAclintSwiState
;
71 DeviceState
*riscv_aclint_swi_create(hwaddr addr
, uint32_t hartid_base
,
72 uint32_t num_harts
, bool sswi
);
75 RISCV_ACLINT_DEFAULT_MTIMECMP
= 0x0,
76 RISCV_ACLINT_DEFAULT_MTIME
= 0x7ff8,
77 RISCV_ACLINT_DEFAULT_MTIMER_SIZE
= 0x8000,
78 RISCV_ACLINT_DEFAULT_TIMEBASE_FREQ
= 10000000,
79 RISCV_ACLINT_MAX_HARTS
= 4095,
80 RISCV_ACLINT_SWI_SIZE
= 0x4000