cpu.h revision 1.65
1 /* $NetBSD: cpu.h,v 1.65 2007/05/20 06:01:05 mhitch Exp $ */ 2 3 /* 4 * Copyright (c) 1982, 1990 The Regents of the University of California. 5 * 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 7.7 (Berkeley) 6/27/91 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 7.7 (Berkeley) 6/27/91 77 */ 78 #ifndef _MACHINE_CPU_H_ 79 #define _MACHINE_CPU_H_ 80 81 #if defined(_KERNEL) 82 83 /* 84 * Exported definitions unique to amiga/68k cpu support. 85 */ 86 87 #if defined(_KERNEL_OPT) 88 #include "opt_lockdebug.h" 89 #endif 90 91 /* 92 * Get common m68k CPU definitions. 93 */ 94 #include <m68k/cpu.h> 95 #define M68K_MMU_MOTOROLA 96 97 #include <sys/cpu_data.h> 98 struct cpu_info { 99 struct cpu_data ci_data; /* MI per-cpu data */ 100 int ci_mtx_count; 101 int ci_mtx_oldspl; 102 int ci_want_resched; 103 }; 104 105 extern struct cpu_info cpu_info_store; 106 107 #define curcpu() (&cpu_info_store) 108 109 /* 110 * definitions of cpu-dependent requirements 111 * referenced in generic code 112 */ 113 #define cpu_swapin(p) /* nothing */ 114 #define cpu_swapout(p) /* nothing */ 115 #define cpu_number() 0 116 117 void cpu_proc_fork(struct proc *, struct proc *); 118 119 120 extern volatile unsigned int interrupt_depth; 121 /* 122 * Arguments to hardclock and gatherstats encapsulate the previous 123 * machine state in an opaque clockframe. One the hp300, we use 124 * what the hardware pushes on an interrupt (frame format 0). 125 */ 126 struct clockframe { 127 u_short sr; /* sr at time of interrupt */ 128 u_long pc; /* pc at time of interrupt */ 129 u_short vo; /* vector offset (4-word frame) */ 130 }; 131 132 #define CLKF_USERMODE(framep) (((framep)->sr & PSL_S) == 0) 133 #define CLKF_PC(framep) ((framep)->pc) 134 #define CLKF_INTR(framep) (interrupt_depth > 1) 135 136 137 /* 138 * Preempt the current process if in interrupt from user mode, 139 * or after the current trap/syscall if in system mode. 140 */ 141 #define cpu_need_resched(ci,flags) {ci->ci_want_resched = 1; setsoftast();} 142 143 /* 144 * Give a profiling tick to the current process from the softclock 145 * interrupt. On hp300, request an ast to send us through trap(), 146 * marking the proc as needing a profiling tick. 147 */ 148 #define profile_tick(l, framep) ((l)->l_pflag |= LP_OWEUPC, setsoftast()) 149 #define cpu_need_proftick(l) ((l)->l_pflag |= LP_OWEUPC, setsoftast()) 150 151 /* 152 * Notify the current process (p) that it has a signal pending, 153 * process as soon as possible. 154 */ 155 #define cpu_signotify(l) setsoftast() 156 157 extern int astpending; /* need trap before returning to user mode */ 158 #define setsoftast() (astpending = 1) 159 160 /* include support for software interrupts */ 161 #include <machine/mtpr.h> 162 163 /* 164 * The rest of this should probably be moved to ../amiga/amigacpu.h, 165 * although some of it could probably be put into generic 68k headers. 166 */ 167 168 /* values for machineid (happen to be AFF_* settings of AttnFlags) */ 169 #define AMIGA_68020 (1L<<1) 170 #define AMIGA_68030 (1L<<2) 171 #define AMIGA_68040 (1L<<3) 172 #define AMIGA_68881 (1L<<4) 173 #define AMIGA_68882 (1L<<5) 174 #define AMIGA_FPU40 (1L<<6) 175 #define AMIGA_68060 (1L<<7) 176 177 extern int machineid; 178 179 #endif /* _KERNEL */ 180 181 /* 182 * CTL_MACHDEP definitions. 183 */ 184 #define CPU_CONSDEV 1 /* dev_t: console terminal device */ 185 #define CPU_MAXID 2 /* number of valid machdep ids */ 186 187 #define CTL_MACHDEP_NAMES { \ 188 { 0, 0 }, \ 189 { "console_device", CTLTYPE_STRUCT }, \ 190 } 191 192 #ifdef _KERNEL 193 /* 194 * Prototypes from amiga_init.c 195 */ 196 void *alloc_z2mem __P((long)); 197 198 /* 199 * Prototypes from autoconf.c 200 */ 201 int is_a1200 __P((void)); 202 int is_a3000 __P((void)); 203 int is_a4000 __P((void)); 204 #ifdef DRACO 205 #define is_draco() ((machineid >> 24) == 0x7d ? (machineid >> 16) & 0xff : 0) 206 #endif 207 208 /* 209 * Prototypes from clock.c 210 */ 211 u_long clkread __P((void)); 212 213 #ifdef DRACO 214 /* 215 * Prototypes from kbd.c 216 */ 217 void drkbdintr __P((void)); 218 219 /* 220 * Prototypes from drsc.c 221 */ 222 void drsc_handler __P((void)); 223 #endif 224 225 /* 226 * Prototypes from locore.s 227 */ 228 struct fpframe; 229 struct user; 230 struct pcb; 231 232 void clearseg __P((vm_offset_t)); 233 void doboot __P((void)) __attribute__((__noreturn__)); 234 void loadustp __P((int)); 235 #ifdef FPCOPROC 236 void m68881_save __P((struct fpframe *)); 237 void m68881_restore __P((struct fpframe *)); 238 #endif 239 void physcopyseg __P((vm_offset_t, vm_offset_t)); 240 u_int probeva __P((u_int, u_int)); 241 void lwp_trampoline __P((void)); 242 void savectx __P((struct pcb *)); 243 244 /* 245 * Prototypes from machdep.c 246 */ 247 int badaddr __P((void *)); 248 int badbaddr __P((void *)); 249 void bootsync __P((void)); 250 void dumpconf __P((void)); 251 252 /* 253 * Prototypes from sys_machdep.c: 254 */ 255 int cachectl1 __P((unsigned long, vaddr_t, size_t, struct proc *)); 256 int dma_cachectl __P((void *, int)); 257 258 /* 259 * Prototypes from vm_machdep.c 260 */ 261 int kvtop __P((void *)); 262 void physaccess __P((void *, void *, int, int)); 263 void physunaccess __P((void *, int)); 264 void setredzone __P((u_int *, void *)); 265 266 /* 267 * Prototypes from pmap.c: 268 */ 269 void pmap_bootstrap __P((vm_offset_t, vm_offset_t)); 270 271 #endif /* _KERNEL */ 272 273 #endif /* !_MACHINE_CPU_H_ */ 274
Indexes created Sat Sep 20 22:09:52 GMT 2025