xref: /netbsd/sys/arch/m68k/include/cacheops_60.h (revision bf9ec67e)
1 /*	$NetBSD: cacheops_60.h,v 1.4 1999/11/06 17:42:33 thorpej Exp $	*/
2 
3 /*-
4  * Copyright (c) 1997 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Leo Weppelman
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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 /*
40  * Invalidate entire TLB.
41  */
42 void TBIA_60 __P((void));
43 extern __inline void
44 TBIA_60()
45 {
46 	__asm __volatile (" .word 0xf518" ); /*  pflusha */
47 }
48 
49 /*
50  * Invalidate any TLB entry for given VA (TB Invalidate Single)
51  */
52 void TBIS_60 __P((vaddr_t));
53 extern __inline void
54 TBIS_60(va)
55 	vaddr_t	va;
56 {
57 	register vaddr_t	r_va __asm("%a0") = va;
58 	int	tmp;
59 
60 	__asm __volatile (" movc   %1, %%dfc;"	/* select supervisor	*/
61 			  " .word 0xf508;"	/* pflush %a0@		*/
62 			  " moveq  %3, %1;"	/* select user		*/
63 			  " movc   %1, %%dfc;"
64 			  " .word 0xf508;"	/* pflush %a0@		*/
65 			  " movc   %%cacr,%1;"
66 			  " orl    %4,%1;"
67 			  " movc   %1,%%cacr" : "=d" (tmp) :
68 			  "0" (FC_SUPERD), "a" (r_va), "i" (FC_USERD),
69 			  "i" (IC60_CABC));
70 }
71 
72 /*
73  * Invalidate supervisor side of TLB
74  */
75 void TBIAS_60 __P((void));
76 extern __inline void
77 TBIAS_60()
78 {
79 	int	tmp;
80 	/*
81 	 * Cannot specify supervisor/user on pflusha, so we flush all
82 	 */
83 	__asm __volatile (" .word 0xf518;"
84 			  " movc  %%cacr,%0;"
85 			  " orl   %1,%0;"
86 			  " movc  %0,%%cacr" /* clear all branch cache
87 			 		        entries */
88 			  : "=d" (tmp) : "i" (IC60_CABC) );
89 }
90 
91 /*
92  * Invalidate user side of TLB
93  */
94 void TBIAU_60 __P((void));
95 extern __inline void
96 TBIAU_60()
97 {
98 	int	tmp;
99 	/*
100 	 * Cannot specify supervisor/user on pflusha, so we flush all
101 	 */
102 	__asm __volatile (" .word 0xf518;"
103 			  " movc  %%cacr,%0;"
104 			  " orl   %1,%0;"
105 			  " movc  %0,%%cacr" /* clear all branch cache
106 			 		        entries */
107 			  : "=d" (tmp) : "i" (IC60_CUBC) );
108 }
109 
110 /*
111  * Invalidate instruction cache
112  */
113 void ICIA_60 __P((void));
114 extern __inline void
115 ICIA_60()
116 {
117 	/* inva ic (also clears branch cache) */
118 	__asm __volatile (" .word 0xf498;");
119 }
120 
121 void ICPA_60 __P((void));
122 extern __inline void
123 ICPA_60()
124 {
125 	/* inva ic (also clears branch cache) */
126 	__asm __volatile (" .word 0xf498;");
127 }
128 
129 /*
130  * Invalidate data cache.
131  */
132 void DCIA_60 __P((void));
133 extern __inline void
134 DCIA_60()
135 {
136 	__asm __volatile (" .word 0xf478;"); /* cpusha dc */
137 }
138 
139 void DCIS_60 __P((void));
140 extern __inline void
141 DCIS_60()
142 {
143 	__asm __volatile (" .word 0xf478;"); /* cpusha dc */
144 }
145 
146 void DCIU_60 __P((void));
147 extern __inline void
148 DCIU_60()
149 {
150 	__asm __volatile (" .word 0xf478;"); /* cpusha dc */
151 }
152 
153 void DCIAS_60 __P((paddr_t));
154 extern __inline void
155 DCIAS_60(pa)
156 	paddr_t	pa;
157 {
158 	register paddr_t	r_pa __asm("%a0") = pa;
159 
160 	__asm __volatile (" .word 0xf468;" : : "a" (r_pa)); /* cpushl dc,%a0@ */
161 }
162 
163 void PCIA_60 __P((void));
164 extern __inline void
165 PCIA_60()
166 {
167 	__asm __volatile (" .word 0xf478;"); /* cpusha dc */
168 }
169 
170 void DCFA_60 __P((void));
171 extern __inline void
172 DCFA_60()
173 {
174 	__asm __volatile (" .word 0xf478;"); /* cpusha dc */
175 }
176 
177 /* invalidate instruction physical cache line */
178 void ICPL_60 __P((paddr_t));
179 extern __inline void
180 ICPL_60(pa)
181 	paddr_t	pa;
182 {
183 	register paddr_t	r_pa __asm("%a0") = pa;
184 
185 	__asm __volatile (" .word 0xf488;" : : "a" (r_pa)); /* cinvl ic,%a0@ */
186 }
187 
188 /* invalidate instruction physical cache page */
189 void ICPP_60 __P((paddr_t));
190 extern __inline void
191 ICPP_60(pa)
192 	paddr_t	pa;
193 {
194 	register paddr_t	r_pa __asm("%a0") = pa;
195 
196 	__asm __volatile (" .word 0xf490;" : : "a" (r_pa)); /* cinvp ic,%a0@ */
197 }
198 
199 /* invalidate data physical cache line */
200 void DCPL_60 __P((paddr_t));
201 extern __inline void
202 DCPL_60(pa)
203 	paddr_t	pa;
204 {
205 	register paddr_t	r_pa __asm("%a0") = pa;
206 
207 	__asm __volatile (" .word 0xf448;" : : "a" (r_pa)); /* cinvl dc,%a0@ */
208 }
209 
210 /* invalidate data physical cache page */
211 void DCPP_60 __P((paddr_t));
212 extern __inline void
213 DCPP_60(pa)
214 	paddr_t	pa;
215 {
216 	register paddr_t	r_pa __asm("%a0") = pa;
217 
218 	__asm __volatile (" .word 0xf450;" : : "a" (r_pa)); /* cinvp dc,%a0@ */
219 }
220 
221 /* invalidate data physical all */
222 void DCPA_60 __P((void));
223 extern __inline void
224 DCPA_60()
225 {
226 	__asm __volatile (" .word 0xf458;"); /* cinva dc */
227 }
228 
229 /* data cache flush line */
230 void DCFL_60 __P((paddr_t));
231 extern __inline void
232 DCFL_60(pa)
233 	paddr_t	pa;
234 {
235 	register paddr_t	r_pa __asm("%a0") = pa;
236 
237 	__asm __volatile (" .word 0xf468;" : : "a" (r_pa)); /* cpushl dc,%a0@ */
238 }
239 
240 /* data cache flush page */
241 void DCFP_60 __P((paddr_t));
242 extern __inline void
243 DCFP_60(pa)
244 	paddr_t	pa;
245 {
246 	register paddr_t	r_pa __asm("%a0") = pa;
247 
248 	__asm __volatile (" .word 0xf470;" : : "a" (r_pa)); /* cpushp dc,%a0@ */
249 }
250