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/*
* RISC-V ACLINT (Advanced Core Local Interruptor) interface
*
* Copyright (c) 2016-2017 Sagar Karandikar, sagark@eecs.berkeley.edu
* Copyright (c) 2017 SiFive, Inc.
* Copyright (c) 2021 Western Digital Corporation or its affiliates.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2 or later, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef HW_RISCV_ACLINT_H
#define HW_RISCV_ACLINT_H
#include "hw/sysbus.h"
#define TYPE_RISCV_ACLINT_MTIMER "riscv.aclint.mtimer"
#define RISCV_ACLINT_MTIMER(obj) \
OBJECT_CHECK(RISCVAclintMTimerState, (obj), TYPE_RISCV_ACLINT_MTIMER)
typedef struct RISCVAclintMTimerState {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
MemoryRegion mmio;
uint32_t hartid_base;
uint32_t num_harts;
uint32_t timecmp_base;
uint32_t time_base;
uint32_t aperture_size;
uint32_t timebase_freq;
qemu_irq *timer_irqs;
} RISCVAclintMTimerState;
DeviceState *riscv_aclint_mtimer_create(hwaddr addr, hwaddr size,
uint32_t hartid_base, uint32_t num_harts,
uint32_t timecmp_base, uint32_t time_base, uint32_t timebase_freq,
bool provide_rdtime);
#define TYPE_RISCV_ACLINT_SWI "riscv.aclint.swi"
#define RISCV_ACLINT_SWI(obj) \
OBJECT_CHECK(RISCVAclintSwiState, (obj), TYPE_RISCV_ACLINT_SWI)
typedef struct RISCVAclintSwiState {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
MemoryRegion mmio;
uint32_t hartid_base;
uint32_t num_harts;
uint32_t sswi;
qemu_irq *soft_irqs;
} RISCVAclintSwiState;
DeviceState *riscv_aclint_swi_create(hwaddr addr, uint32_t hartid_base,
uint32_t num_harts, bool sswi);
enum {
RISCV_ACLINT_DEFAULT_MTIMECMP = 0x0,
RISCV_ACLINT_DEFAULT_MTIME = 0x7ff8,
RISCV_ACLINT_DEFAULT_MTIMER_SIZE = 0x8000,
RISCV_ACLINT_DEFAULT_TIMEBASE_FREQ = 10000000,
RISCV_ACLINT_MAX_HARTS = 4095,
RISCV_ACLINT_SWI_SIZE = 0x4000
};
#endif
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