cpu.h revision 1.31
1 /* $NetBSD: cpu.h,v 1.31 2004/09/26 21:44:26 yamt Exp $ */ 2 3 /* 4 * Copyright (c) 1982, 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer 9 * Science Department. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: Utah $Hdr: cpu.h 1.16 91/03/25$ 36 * 37 * @(#)cpu.h 8.4 (Berkeley) 1/5/94 38 */ 39 /* 40 * Copyright (c) 1988 University of Utah. 41 * 42 * This code is derived from software contributed to Berkeley by 43 * the Systems Programming Group of the University of Utah Computer 44 * Science Department. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. All advertising materials mentioning features or use of this software 55 * must display the following acknowledgement: 56 * This product includes software developed by the University of 57 * California, Berkeley and its contributors. 58 * 4. Neither the name of the University nor the names of its contributors 59 * may be used to endorse or promote products derived from this software 60 * without specific prior written permission. 61 * 62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 72 * SUCH DAMAGE. 73 * 74 * from: Utah $Hdr: cpu.h 1.16 91/03/25$ 75 * 76 * @(#)cpu.h 8.4 (Berkeley) 1/5/94 77 */ 78 79 #ifndef _MACHINE_CPU_H_ 80 #define _MACHINE_CPU_H_ 81 82 #if defined(_KERNEL) 83 84 /* 85 * Exported definitions unique to mvme68k/68k cpu support. 86 */ 87 88 #if defined(_KERNEL_OPT) 89 #include "opt_lockdebug.h" 90 #endif 91 92 /* 93 * Get common m68k CPU definitions. 94 */ 95 #include <m68k/cpu.h> 96 #define M68K_MMU_MOTOROLA 97 98 #include <sys/cpu_data.h> 99 struct cpu_info { 100 struct cpu_data ci_data; /* MI per-cpu data */ 101 }; 102 103 extern struct cpu_info cpu_info_store; 104 105 #define curcpu() (&cpu_info_store) 106 107 /* 108 * definitions of cpu-dependent requirements 109 * referenced in generic code 110 */ 111 #define cpu_swapin(p) /* nothing */ 112 #define cpu_swapout(p) /* nothing */ 113 #define cpu_number() 0 114 115 void cpu_proc_fork(struct proc *, struct proc *); 116 117 /* 118 * Arguments to hardclock and gatherstats encapsulate the previous 119 * machine state in an opaque clockframe. One the mvme68k, we use 120 * what the hardware pushes on an interrupt (frame format 0). 121 */ 122 struct clockframe { 123 u_short sr; /* sr at time of interrupt */ 124 u_long pc; /* pc at time of interrupt */ 125 u_short fmt:4, 126 vec:12; /* vector offset (4-word frame) */ 127 } __attribute__((packed)); 128 129 #define CLKF_USERMODE(framep) (((framep)->sr & PSL_S) == 0) 130 #define CLKF_BASEPRI(framep) (((framep)->sr & PSL_IPL) == 0) 131 #define CLKF_PC(framep) ((framep)->pc) 132 133 /* 134 * The clock interrupt handler can determine if it's a nested 135 * interrupt by checking for interrupt_depth > 1. 136 * (Remember, the clock interrupt handler itself will cause the 137 * depth counter to be incremented). 138 */ 139 extern volatile unsigned int interrupt_depth; 140 #define CLKF_INTR(framep) (interrupt_depth > 1) 141 142 143 /* 144 * Preempt the current process if in interrupt from user mode, 145 * or after the current trap/syscall if in system mode. 146 */ 147 extern int want_resched; /* resched() was called */ 148 #define need_resched(ci) { want_resched++; aston(); } 149 150 /* 151 * Give a profiling tick to the current process when the user profiling 152 * buffer pages are invalid. On the hp300, request an ast to send us 153 * through trap, marking the proc as needing a profiling tick. 154 */ 155 #define need_proftick(p) { (p)->p_flag |= P_OWEUPC; aston(); } 156 157 /* 158 * Notify the current process (p) that it has a signal pending, 159 * process as soon as possible. 160 */ 161 #define signotify(p) aston() 162 163 extern int astpending; /* need to trap before returning to user mode */ 164 #define aston() (astpending++) 165 166 #endif /* _KERNEL */ 167 168 /* 169 * CTL_MACHDEP definitions. 170 */ 171 #define CPU_CONSDEV 1 /* dev_t: console terminal device */ 172 #define CPU_MAXID 2 /* number of valid machdep ids */ 173 174 #define CTL_MACHDEP_NAMES { \ 175 { 0, 0 }, \ 176 { "console_device", CTLTYPE_STRUCT }, \ 177 } 178 179 #ifdef _KERNEL 180 /* 181 * Associate MVME models with CPU types. 182 */ 183 #define MVME68K 1 184 185 /* 186 * MVME-147; 68030 CPU 187 */ 188 #if defined(MVME147) && !defined(M68030) 189 #define M68030 190 #endif 191 192 /* 193 * MVME-162/166/167; 68040 CPU 194 */ 195 #if (defined(MVME162) || defined(MVME167)) && !defined(M68040) 196 #define M68040 197 #endif 198 199 /* 200 * MVME-172/177; 68060 CPU 201 */ 202 #if (defined(MVME172) || defined(MVME177)) && !defined(M68060) 203 #define M68060 204 #endif 205 #endif /* _KERNEL */ 206 207 /* 208 * Values for machineid; these match the Bug's values. 209 */ 210 #define MVME_147 0x147 211 #define MVME_162 0x162 212 #define MVME_166 0x166 213 #define MVME_167 0x167 214 #define MVME_172 0x172 215 #define MVME_177 0x177 216 217 #ifdef _KERNEL 218 extern int machineid; 219 extern int cpuspeed; 220 extern char *intiobase, *intiolimit; 221 extern u_int intiobase_phys, intiotop_phys; 222 extern u_long ether_data_buff_size; 223 extern u_char mvme_ea[6]; 224 225 struct frame; 226 struct pcb; 227 void doboot __P((int)) 228 __attribute__((__noreturn__)); 229 int nmihand __P((void *)); 230 void mvme68k_abort __P((const char *)); 231 void physaccess __P((caddr_t, caddr_t, int, int)); 232 void physunaccess __P((caddr_t, int)); 233 void *iomap __P((u_long, size_t)); 234 void iounmap __P((void *, size_t)); 235 int kvtop __P((caddr_t)); 236 void savectx __P((struct pcb *)); 237 void switch_exit __P((struct lwp *)); 238 void switch_lwp_exit __P((struct lwp *)); 239 void proc_trampoline __P((void)); 240 void loadustp __P((paddr_t)); 241 242 /* Prototypes from sys_machdep.c: */ 243 int cachectl1 __P((unsigned long, vaddr_t, size_t, struct proc *)); 244 int dma_cachectl __P((caddr_t, int)); 245 246 /* physical memory addresses where mvme147's onboard devices live */ 247 #define INTIOBASE147 (0xfffe0000u) 248 #define INTIOTOP147 (0xfffe5000u) 249 250 /* ditto for mvme1[67][27] */ 251 #define INTIOBASE1xx (0xfff40000u) 252 #define INTIOTOP1xx (0xfffd0000u) 253 254 #endif /* _KERNEL */ 255 256 #endif /* _MACHINE_CPU_H_ */ 257
Indexes created Mon Sep 29 03:10:08 GMT 2025