1 /* $NetBSD: cpufunc.h,v 1.1 2023/05/07 12:41:48 skrll Exp $ */ 2 3 /*- 4 * Copyright (c) 2023 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Nick Hudson 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _RISCV_CPUFUNC_H_ 33 #define _RISCV_CPUFUNC_H_ 34 35 #ifdef _KERNEL 36 37 #include <sys/cdefs.h> 38 __KERNEL_RCSID(0, "$NetBSD: cpufunc.h,v 1.1 2023/05/07 12:41:48 skrll Exp $"); 39 40 #include <sys/param.h> 41 42 #include <sys/bus.h> 43 #include <sys/cpu.h> 44 45 /* cache op */ 46 #define cpu_dcache_wbinv_all() __nothing 47 #define cpu_dcache_inv_all() __nothing 48 #define cpu_dcache_wb_all() __nothing 49 #define cpu_idcache_wbinv_all() __nothing 50 #define cpu_icache_sync_all() __nothing 51 #define cpu_icache_inv_all() __nothing 52 53 #define cpu_dcache_wbinv_range(v,s) __nothing 54 #define cpu_dcache_inv_range(v,s) __nothing 55 #define cpu_dcache_wb_range(v,s) __nothing 56 #define cpu_idcache_wbinv_range(v,s) __nothing 57 #define cpu_icache_sync_range(v,s) __nothing 58 59 extern void (*cpu_sdcache_wbinv_range)(vaddr_t, paddr_t, psize_t); 60 extern void (*cpu_sdcache_inv_range)(vaddr_t, paddr_t, psize_t); 61 extern void (*cpu_sdcache_wb_range)(vaddr_t, paddr_t, psize_t); 62 63 extern u_int riscv_dcache_align; 64 extern u_int riscv_dcache_align_mask; 65 66 #endif /* _KERNEL */ 67 68 #endif /* _RISCV_CPUFUNC_H_ */ 69