cpu.h revision 1.60.20.1
1 /* $NetBSD: cpu.h,v 1.60.20.1 2007/02/06 19:46:22 ad 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 }; 103 104 extern struct cpu_info cpu_info_store; 105 106 #define curcpu() (&cpu_info_store) 107 108 /* 109 * definitions of cpu-dependent requirements 110 * referenced in generic code 111 */ 112 #define cpu_swapin(p) /* nothing */ 113 #define cpu_swapout(p) /* nothing */ 114 #define cpu_number() 0 115 116 void cpu_proc_fork(struct proc *, struct proc *); 117 118 119 extern volatile unsigned int interrupt_depth; 120 /* 121 * Arguments to hardclock and gatherstats encapsulate the previous 122 * machine state in an opaque clockframe. One the hp300, we use 123 * what the hardware pushes on an interrupt (frame format 0). 124 */ 125 struct clockframe { 126 u_short sr; /* sr at time of interrupt */ 127 u_long pc; /* pc at time of interrupt */ 128 u_short vo; /* vector offset (4-word frame) */ 129 }; 130 131 #define CLKF_USERMODE(framep) (((framep)->sr & PSL_S) == 0) 132 /*#define CLKF_BASEPRI(framep) (((framep)->sr & PSL_IPL) == 0)*/ 133 #define CLKF_BASEPRI(framep) (0) 134 #define CLKF_PC(framep) ((framep)->pc) 135 #define CLKF_INTR(framep) (interrupt_depth > 1) 136 137 138 /* 139 * Preempt the current process if in interrupt from user mode, 140 * or after the current trap/syscall if in system mode. 141 */ 142 extern int want_resched; /* resched() was called */ 143 #define cpu_need_resched(ci) {want_resched = 1; setsoftast();} 144 145 /* 146 * Give a profiling tick to the current process from the softclock 147 * interrupt. On hp300, request an ast to send us through trap(), 148 * marking the proc as needing a profiling tick. 149 */ 150 #define profile_tick(l, framep) ((l)->l_pflag |= LP_OWEUPC, setsoftast()) 151 #define cpu_need_proftick(l) ((l)->l_pflag |= LP_OWEUPC, setsoftast()) 152 153 /* 154 * Notify the current process (p) that it has a signal pending, 155 * process as soon as possible. 156 */ 157 #define cpu_signotify(l) setsoftast() 158 159 extern int astpending; /* need trap before returning to user mode */ 160 #define setsoftast() (astpending = 1) 161 162 /* include support for software interrupts */ 163 #include <machine/mtpr.h> 164 165 /* 166 * The rest of this should probably be moved to ../amiga/amigacpu.h, 167 * although some of it could probably be put into generic 68k headers. 168 */ 169 170 /* values for machineid (happen to be AFF_* settings of AttnFlags) */ 171 #define AMIGA_68020 (1L<<1) 172 #define AMIGA_68030 (1L<<2) 173 #define AMIGA_68040 (1L<<3) 174 #define AMIGA_68881 (1L<<4) 175 #define AMIGA_68882 (1L<<5) 176 #define AMIGA_FPU40 (1L<<6) 177 #define AMIGA_68060 (1L<<7) 178 179 extern int machineid; 180 181 #endif /* _KERNEL */ 182 183 /* 184 * CTL_MACHDEP definitions. 185 */ 186 #define CPU_CONSDEV 1 /* dev_t: console terminal device */ 187 #define CPU_MAXID 2 /* number of valid machdep ids */ 188 189 #define CTL_MACHDEP_NAMES { \ 190 { 0, 0 }, \ 191 { "console_device", CTLTYPE_STRUCT }, \ 192 } 193 194 #ifdef _KERNEL 195 /* 196 * Prototypes from amiga_init.c 197 */ 198 void *alloc_z2mem __P((long)); 199 200 /* 201 * Prototypes from autoconf.c 202 */ 203 int is_a1200 __P((void)); 204 int is_a3000 __P((void)); 205 int is_a4000 __P((void)); 206 #ifdef DRACO 207 #define is_draco() ((machineid >> 24) == 0x7d ? (machineid >> 16) & 0xff : 0) 208 #endif 209 210 /* 211 * Prototypes from clock.c 212 */ 213 u_long clkread __P((void)); 214 215 #ifdef DRACO 216 /* 217 * Prototypes from kbd.c 218 */ 219 void drkbdintr __P((void)); 220 221 /* 222 * Prototypes from drsc.c 223 */ 224 void drsc_handler __P((void)); 225 #endif 226 227 /* 228 * Prototypes from locore.s 229 */ 230 struct fpframe; 231 struct user; 232 struct pcb; 233 234 void clearseg __P((vm_offset_t)); 235 void doboot __P((void)) __attribute__((__noreturn__)); 236 void loadustp __P((int)); 237 #ifdef FPCOPROC 238 void m68881_save __P((struct fpframe *)); 239 void m68881_restore __P((struct fpframe *)); 240 #endif 241 void physcopyseg __P((vm_offset_t, vm_offset_t)); 242 u_int probeva __P((u_int, u_int)); 243 void proc_trampoline __P((void)); 244 void savectx __P((struct pcb *)); 245 void switch_exit __P((struct lwp *)); 246 void switch_lwp_exit __P((struct lwp *)); 247 248 /* 249 * Prototypes from machdep.c 250 */ 251 int badaddr __P((caddr_t)); 252 int badbaddr __P((caddr_t)); 253 void bootsync __P((void)); 254 void dumpconf __P((void)); 255 256 /* 257 * Prototypes from sys_machdep.c: 258 */ 259 int cachectl1 __P((unsigned long, vaddr_t, size_t, struct proc *)); 260 int dma_cachectl __P((caddr_t, int)); 261 262 /* 263 * Prototypes from vm_machdep.c 264 */ 265 int kvtop __P((caddr_t)); 266 void physaccess __P((caddr_t, caddr_t, int, int)); 267 void physunaccess __P((caddr_t, int)); 268 void setredzone __P((u_int *, caddr_t)); 269 270 /* 271 * Prototypes from pmap.c: 272 */ 273 void pmap_bootstrap __P((vm_offset_t, vm_offset_t)); 274 275 #endif /* _KERNEL */ 276 277 #endif /* !_MACHINE_CPU_H_ */ 278
Indexes created Sat Sep 20 22:09:52 GMT 2025