cpu.h revision 1.27
1 /* $NetBSD: cpu.h,v 1.27 2007/05/18 10:13:25 tsutsui 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 _NEWS68K_CPU_H_ 80 #define _NEWS68K_CPU_H_ 81 82 #if defined(_KERNEL) 83 84 /* 85 * Exported definitions unique to news68k 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 97 /* 98 * XXX news1700 L2 cache would be corrupted with DC_BE and IC_BE... 99 * XXX Should these be defined in machine/cpu.h? 100 */ 101 #undef CACHE_ON 102 #undef CACHE_CLR 103 #undef IC_CLEAR 104 #undef DC_CLEAR 105 #define CACHE_ON (DC_WA|DC_CLR|DC_ENABLE|IC_CLR|IC_ENABLE) 106 #define CACHE_CLR CACHE_ON 107 #define IC_CLEAR (DC_WA|DC_ENABLE|IC_CLR|IC_ENABLE) 108 #define DC_CLEAR (DC_WA|DC_CLR|DC_ENABLE|IC_ENABLE) 109 110 #define DCIC_CLR (DC_CLR|IC_CLR) 111 #define CACHE_BE (DC_BE|IC_BE) 112 113 /* 114 * Get interrupt glue. 115 */ 116 #include <machine/intr.h> 117 118 #include <sys/cpu_data.h> 119 struct cpu_info { 120 struct cpu_data ci_data; /* MI per-cpu data */ 121 int ci_mtx_count; 122 int ci_mtx_oldspl; 123 int ci_want_resched; 124 }; 125 126 extern struct cpu_info cpu_info_store; 127 128 #define curcpu() (&cpu_info_store) 129 130 /* 131 * definitions of cpu-dependent requirements 132 * referenced in generic code 133 */ 134 #define cpu_swapin(p) /* nothing */ 135 #define cpu_swapout(p) /* nothing */ 136 #define cpu_number() 0 137 138 void cpu_proc_fork(struct proc *, struct proc *); 139 140 /* 141 * Arguments to hardclock and gatherstats encapsulate the previous 142 * machine state in an opaque clockframe. One the hp300, we use 143 * what the hardware pushes on an interrupt (frame format 0). 144 */ 145 struct clockframe { 146 u_short sr; /* sr at time of interrupt */ 147 u_long pc; /* pc at time of interrupt */ 148 u_short vo; /* vector offset (4-word frame) */ 149 }; 150 151 #define CLKF_USERMODE(framep) (((framep)->sr & PSL_S) == 0) 152 #define CLKF_PC(framep) ((framep)->pc) 153 #if 0 154 /* We would like to do it this way... */ 155 #define CLKF_INTR(framep) (((framep)->sr & PSL_M) == 0) 156 #else 157 /* but until we start using PSL_M, we have to do this instead */ 158 #define CLKF_INTR(framep) (0) /* XXX */ 159 #endif 160 161 162 /* 163 * Preempt the current process if in interrupt from user mode, 164 * or after the current trap/syscall if in system mode. 165 */ 166 #define cpu_need_resched(ci, flags) \ 167 do { ci->ci_want_resched = 1; aston(); } while (/* CONSTCOND */0) 168 169 /* 170 * Give a profiling tick to the current process when the user profiling 171 * buffer pages are invalid. On the hp300, request an ast to send us 172 * through trap, marking the proc as needing a profiling tick. 173 */ 174 #define cpu_need_proftick(l) \ 175 do { (l)->l_flag |= LP_OWEUPC; aston(); } while (/* CONSTCOND */0) 176 177 /* 178 * Notify the current process (p) that it has a signal pending, 179 * process as soon as possible. 180 */ 181 #define cpu_signotify(l) aston() 182 183 extern int astpending; /* need to trap before returning to user mode */ 184 extern volatile u_char *ctrl_ast; 185 #define aston() \ 186 do { astpending++; *ctrl_ast = 0xff; } while (/* CONSTCOND */0) 187 188 #endif /* _KERNEL */ 189 190 /* 191 * CTL_MACHDEP definitions. 192 */ 193 #define CPU_CONSDEV 1 /* dev_t: console terminal device */ 194 #define CPU_MAXID 2 /* number of valid machdep ids */ 195 196 #define CTL_MACHDEP_NAMES { \ 197 { 0, 0 }, \ 198 { "console_device", CTLTYPE_STRUCT }, \ 199 } 200 201 #ifdef _KERNEL 202 203 #if defined(news1700) || defined(news1200) 204 #ifndef M68030 205 #define M68030 206 #endif 207 #define M68K_MMU_MOTOROLA 208 #endif 209 210 #if defined(news1700) 211 #define CACHE_HAVE_PAC 212 #endif 213 214 #endif 215 216 #ifdef _KERNEL 217 extern int systype; 218 #define NEWS1700 0 219 #define NEWS1200 1 220 221 extern int cpuspeed; 222 extern char *intiobase, *intiolimit, *extiobase; 223 extern u_int intiobase_phys, intiotop_phys; 224 extern u_int extiobase_phys, extiotop_phys; 225 extern u_int intrcnt[]; 226 227 extern void (*vectab[])(void); 228 229 struct frame; 230 struct fpframe; 231 struct pcb; 232 233 /* locore.s functions */ 234 void m68881_save(struct fpframe *); 235 void m68881_restore(struct fpframe *); 236 237 int suline(void *, void *); 238 void savectx(struct pcb *); 239 void proc_trampoline(void); 240 void loadustp(int); 241 void badtrap(void); 242 void intrhand_vectored(void); 243 int getsr(void); 244 245 246 void doboot(int) 247 __attribute__((__noreturn__)); 248 void nmihand(struct frame *); 249 void ecacheon(void); 250 void ecacheoff(void); 251 252 /* machdep.c functions */ 253 int badaddr(void *, int); 254 int badbaddr(void *); 255 256 /* sys_machdep.c functions */ 257 int cachectl1(unsigned long, vaddr_t, size_t, struct proc *); 258 259 /* vm_machdep.c functions */ 260 void physaccess(void *, void *, int, int); 261 void physunaccess(void *, int); 262 int kvtop(void *); 263 264 #endif 265 266 /* physical memory sections */ 267 #define ROMBASE 0xe0000000 268 269 #define INTIOBASE1700 0xe0c00000 270 #define INTIOTOP1700 0xe1d00000 /* XXX */ 271 #define EXTIOBASE1700 0xf0f00000 272 #define EXTIOTOP1700 0xf1000000 /* XXX */ 273 #define CTRL_POWER1700 0xe1380000 274 #define CTRL_LED1700 0xe0dc0000 275 276 #define INTIOBASE1200 0xe1000000 277 #define INTIOTOP1200 0xe1d00000 /* XXX */ 278 #define EXTIOBASE1200 0xe4000000 279 #define EXTIOTOP1200 0xe4020000 /* XXX */ 280 #define CTRL_POWER1200 0xe1000000 281 #define CTRL_LED1200 0xe1500001 282 283 #define MAXADDR 0xfffff000 284 285 /* 286 * Internal IO space: 287 * 288 * Internal IO space is mapped in the kernel from ``intiobase'' to 289 * ``intiolimit'' (defined in locore.s). Since it is always mapped, 290 * conversion between physical and kernel virtual addresses is easy. 291 */ 292 #define ISIIOVA(va) \ 293 ((char *)(va) >= intiobase && (char *)(va) < intiolimit) 294 #define IIOV(pa) (((u_int)(pa) - intiobase_phys) + (u_int)intiobase) 295 #define ISIIOPA(pa) \ 296 ((u_int)(pa) >= intiobase_phys && (u_int)(pa) < intiotop_phys) 297 #define IIOP(va) (((u_int)(va) - (u_int)intiobase) + intiobase_phys) 298 #define IIOPOFF(pa) ((u_int)(pa) - intiobase_phys) 299 300 /* XXX EIO space mapping should be modified like hp300 XXX */ 301 #define EIOSIZE (extiotop_phys - extiobase_phys) 302 #define ISEIOVA(va) \ 303 ((char *)(va) >= extiobase && (char *)(va) < (char *)EIOSIZE) 304 #define EIOV(pa) (((u_int)(pa) - extiobase_phys) + (u_int)extiobase) 305 306 #if defined(CACHE_HAVE_PAC) || defined(CACHE_HAVE_VAC) 307 #define M68K_CACHEOPS_MACHDEP 308 #endif 309 310 #ifdef CACHE_HAVE_PAC 311 #define M68K_CACHEOPS_MACHDEP_PCIA 312 #endif 313 314 #ifdef CACHE_HAVE_VAC 315 #define M68K_CACHEOPS_MACHDEP_DCIA 316 #define M68K_CACHEOPS_MACHDEP_DCIS 317 #define M68K_CACHEOPS_MACHDEP_DCIU 318 #endif 319 320 #endif /* !_NEWS68K_CPU_H_ */ 321
Indexes created Thu Sep 25 16:09:42 GMT 2025