55 lines
2.0 KiB
C
55 lines
2.0 KiB
C
/* Copyright 2018 Canaan Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _BSP_INTERRUPT_H
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#define _BSP_INTERRUPT_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <core_sync.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* clang-format off */
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/* Machine interrupt mask for 64 bit system, 0x8000 0000 0000 0000 */
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#define CAUSE_MACHINE_IRQ_MASK (0x1ULL << 63)
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/* Machine interrupt reason mask for 64 bit system, 0x7FFF FFFF FFFF FFFF */
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#define CAUSE_MACHINE_IRQ_REASON_MASK (CAUSE_MACHINE_IRQ_MASK - 1)
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/* Hypervisor interrupt mask for 64 bit system, 0x8000 0000 0000 0000 */
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#define CAUSE_HYPERVISOR_IRQ_MASK (0x1ULL << 63)
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/* Hypervisor interrupt reason mask for 64 bit system, 0x7FFF FFFF FFFF FFFF */
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#define CAUSE_HYPERVISOR_IRQ_REASON_MASK (CAUSE_HYPERVISOR_IRQ_MASK - 1)
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/* Supervisor interrupt mask for 64 bit system, 0x8000 0000 0000 0000 */
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#define CAUSE_SUPERVISOR_IRQ_MASK (0x1ULL << 63)
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/* Supervisor interrupt reason mask for 64 bit system, 0x7FFF FFFF FFFF FFFF */
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#define CAUSE_SUPERVISOR_IRQ_REASON_MASK (CAUSE_SUPERVISOR_IRQ_MASK - 1)
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void handle_except(uintptr_t *regs, uintptr_t cause);
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void handle_irq_m_soft(uintptr_t *regs, uintptr_t cause);
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void handle_irq_m_timer(uintptr_t *regs, uintptr_t cause);
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void handle_irq_m_ext(uintptr_t *regs, uintptr_t cause);
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void handle_syscall(uintptr_t *regs, uintptr_t cause);
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void __attribute__((noreturn)) sys_exit(int code);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _BSP_INTERRUPT_H */
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