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      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