/* $NetBSD: plicreg.h,v 1.1 2023/05/07 12:41:48 skrll Exp $ */ /*- * Copyright (c) 2022 The NetBSD Foundation, Inc. * All rights reserved. * * Portions of this code is derived from software contributed to The NetBSD * Foundation by Simon Burge. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _RISCV_PLICREG_H #define _RISCV_PLICREG_H #define PLIC_FIRST_IRQ 1 /* irq 0 is reserved */ #define PLIC_MAX_IRQ 1023 #define PLIC_NIRQ (PLIC_MAX_IRQ + 1) #define PLIC_PRIORITY_BASE 0x000000 #define PLIC_PENDING_BASE 0x001000 #define PLIC_ENABLE_BASE 0x002000 #define PLIC_ENABLE_SIZE (PLIC_NIRQ / NBBY) #define PLIC_CONTEXT_BASE 0x200000 #define PLIC_CONTEXT_SIZE 0x1000 #define PLIC_MAX_CONTEXT 15871 #define PLIC_NCONTEXT (PLIC_MAX_CONTEXT + 1) #define PLIC_THRESHOLD_OFFS 0 #define PLIC_CLAIM_COMPLETE_OFFS 4 /* read to claim, write to complete */ #endif /* _RISCV_PLICREG_H */ |