intr.h revision 1.1.2.3
1 1.1.2.3 bouyer /* $NetBSD: intr.h,v 1.1.2.3 2001/04/21 17:54:35 bouyer Exp $ */ 2 1.1.2.2 bouyer 3 1.1.2.2 bouyer /*- 4 1.1.2.2 bouyer * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 1.1.2.2 bouyer * All rights reserved. 6 1.1.2.2 bouyer * 7 1.1.2.2 bouyer * This code is derived from software contributed to The NetBSD Foundation 8 1.1.2.2 bouyer * by Charles M. Hannum. 9 1.1.2.2 bouyer * 10 1.1.2.2 bouyer * Redistribution and use in source and binary forms, with or without 11 1.1.2.2 bouyer * modification, are permitted provided that the following conditions 12 1.1.2.2 bouyer * are met: 13 1.1.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 14 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer. 15 1.1.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 17 1.1.2.2 bouyer * documentation and/or other materials provided with the distribution. 18 1.1.2.2 bouyer * 3. All advertising materials mentioning features or use of this software 19 1.1.2.2 bouyer * must display the following acknowledgement: 20 1.1.2.2 bouyer * This product includes software developed by the NetBSD 21 1.1.2.2 bouyer * Foundation, Inc. and its contributors. 22 1.1.2.2 bouyer * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.1.2.2 bouyer * contributors may be used to endorse or promote products derived 24 1.1.2.2 bouyer * from this software without specific prior written permission. 25 1.1.2.2 bouyer * 26 1.1.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.1.2.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.1.2.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.1.2.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.1.2.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.1.2.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.1.2.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.1.2.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.1.2.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.1.2.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.1.2.2 bouyer * POSSIBILITY OF SUCH DAMAGE. 37 1.1.2.2 bouyer */ 38 1.1.2.2 bouyer /* 39 1.1.2.2 bouyer * Sandpoint-specific code developed 40 1.1.2.2 bouyer * by Allen Briggs for Wasabi Systems, Inc. 41 1.1.2.2 bouyer * 42 1.1.2.2 bouyer * OpenPIC code derived from code with the following notice. 43 1.1.2.2 bouyer */ 44 1.1.2.2 bouyer /*- 45 1.1.2.2 bouyer * Copyright (c) 2000 Tsubai Masanari. All rights reserved. 46 1.1.2.2 bouyer * 47 1.1.2.2 bouyer * Redistribution and use in source and binary forms, with or without 48 1.1.2.2 bouyer * modification, are permitted provided that the following conditions 49 1.1.2.2 bouyer * are met: 50 1.1.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 51 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer. 52 1.1.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 53 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 54 1.1.2.2 bouyer * documentation and/or other materials provided with the distribution. 55 1.1.2.2 bouyer * 3. The name of the author may not be used to endorse or promote products 56 1.1.2.2 bouyer * derived from this software without specific prior written permission. 57 1.1.2.2 bouyer * 58 1.1.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 59 1.1.2.2 bouyer * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 60 1.1.2.2 bouyer * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 61 1.1.2.2 bouyer * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 62 1.1.2.2 bouyer * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 63 1.1.2.2 bouyer * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 64 1.1.2.2 bouyer * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 65 1.1.2.2 bouyer * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 66 1.1.2.2 bouyer * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 67 1.1.2.2 bouyer * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 68 1.1.2.2 bouyer */ 69 1.1.2.2 bouyer 70 1.1.2.2 bouyer #ifndef _SANDPOINT_INTR_H_ 71 1.1.2.2 bouyer #define _SANDPOINT_INTR_H_ 72 1.1.2.2 bouyer 73 1.1.2.2 bouyer /* Interrupt priority `levels'. */ 74 1.1.2.2 bouyer #define IPL_NONE 9 /* nothing */ 75 1.1.2.2 bouyer #define IPL_SOFTCLOCK 8 /* software clock interrupt */ 76 1.1.2.2 bouyer #define IPL_SOFTNET 7 /* software network interrupt */ 77 1.1.2.2 bouyer #define IPL_BIO 6 /* block I/O */ 78 1.1.2.2 bouyer #define IPL_NET 5 /* network */ 79 1.1.2.2 bouyer #define IPL_SOFTSERIAL 4 /* software serial interrupt */ 80 1.1.2.2 bouyer #define IPL_TTY 3 /* terminal */ 81 1.1.2.2 bouyer #define IPL_IMP 3 /* memory allocation */ 82 1.1.2.2 bouyer #define IPL_AUDIO 2 /* audio */ 83 1.1.2.2 bouyer #define IPL_CLOCK 1 /* clock */ 84 1.1.2.2 bouyer #define IPL_HIGH 1 /* everything */ 85 1.1.2.2 bouyer #define IPL_SERIAL 0 /* serial */ 86 1.1.2.2 bouyer #define NIPL 10 87 1.1.2.2 bouyer 88 1.1.2.2 bouyer /* Interrupt sharing types. */ 89 1.1.2.2 bouyer #define IST_NONE 0 /* none */ 90 1.1.2.2 bouyer #define IST_PULSE 1 /* pulsed */ 91 1.1.2.2 bouyer #define IST_EDGE 2 /* edge-triggered */ 92 1.1.2.2 bouyer #define IST_LEVEL 3 /* level-triggered */ 93 1.1.2.2 bouyer 94 1.1.2.2 bouyer #ifndef _LOCORE 95 1.1.2.2 bouyer 96 1.1.2.2 bouyer /* 97 1.1.2.2 bouyer * Interrupt handler chains. intr_establish() inserts a handler into 98 1.1.2.2 bouyer * the list. The handler is called with its (single) argument. 99 1.1.2.2 bouyer */ 100 1.1.2.2 bouyer struct intrhand { 101 1.1.2.2 bouyer int (*ih_fun)(void *); 102 1.1.2.2 bouyer void *ih_arg; 103 1.1.2.2 bouyer u_long ih_count; 104 1.1.2.2 bouyer struct intrhand *ih_next; 105 1.1.2.2 bouyer int ih_level; 106 1.1.2.2 bouyer int ih_irq; 107 1.1.2.2 bouyer }; 108 1.1.2.2 bouyer 109 1.1.2.2 bouyer void setsoftclock(void); 110 1.1.2.2 bouyer void clearsoftclock(void); 111 1.1.2.2 bouyer int splsoftclock(void); 112 1.1.2.2 bouyer void setsoftnet(void); 113 1.1.2.2 bouyer void clearsoftnet(void); 114 1.1.2.2 bouyer int splsoftnet(void); 115 1.1.2.2 bouyer 116 1.1.2.2 bouyer void do_pending_int(void); 117 1.1.2.2 bouyer void *intr_establish(int, int, int, int (*)(void *), void *); 118 1.1.2.2 bouyer void intr_disestablish(void *); 119 1.1.2.2 bouyer 120 1.1.2.2 bouyer static __inline int splraise(int); 121 1.1.2.2 bouyer static __inline int spllower(int); 122 1.1.2.2 bouyer static __inline void splx(int); 123 1.1.2.2 bouyer static __inline void set_sint(int); 124 1.1.2.2 bouyer 125 1.1.2.2 bouyer void softnet __P((int)); /* Defined in machdep.c, used in extintr.c */ 126 1.1.2.2 bouyer 127 1.1.2.2 bouyer extern volatile int cpl, ipending, astpending, tickspending; 128 1.1.2.2 bouyer extern int imask[]; 129 1.1.2.2 bouyer extern long intrcnt[]; 130 1.1.2.2 bouyer 131 1.1.2.2 bouyer /* 132 1.1.2.2 bouyer * Reorder protection in the following inline functions is 133 1.1.2.2 bouyer * protected with the "eieio" instruction. 134 1.1.2.2 bouyer */ 135 1.1.2.2 bouyer static __inline int 136 1.1.2.2 bouyer splraise(newcpl) 137 1.1.2.2 bouyer int newcpl; 138 1.1.2.2 bouyer { 139 1.1.2.2 bouyer int oldcpl; 140 1.1.2.2 bouyer 141 1.1.2.2 bouyer __asm__ volatile("sync; eieio\n"); /* don't reorder.... */ 142 1.1.2.2 bouyer oldcpl = cpl; 143 1.1.2.2 bouyer cpl = oldcpl | newcpl; 144 1.1.2.2 bouyer __asm__ volatile("sync; eieio\n"); /* reorder protect */ 145 1.1.2.2 bouyer return(oldcpl); 146 1.1.2.2 bouyer } 147 1.1.2.2 bouyer 148 1.1.2.2 bouyer static __inline void 149 1.1.2.2 bouyer splx(newcpl) 150 1.1.2.2 bouyer int newcpl; 151 1.1.2.2 bouyer { 152 1.1.2.2 bouyer __asm__ volatile("sync; eieio\n"); /* reorder protect */ 153 1.1.2.2 bouyer cpl = newcpl; 154 1.1.2.2 bouyer if(ipending & ~newcpl) 155 1.1.2.2 bouyer do_pending_int(); 156 1.1.2.2 bouyer __asm__ volatile("sync; eieio\n"); /* reorder protect */ 157 1.1.2.2 bouyer } 158 1.1.2.2 bouyer 159 1.1.2.2 bouyer static __inline int 160 1.1.2.2 bouyer spllower(newcpl) 161 1.1.2.2 bouyer int newcpl; 162 1.1.2.2 bouyer { 163 1.1.2.2 bouyer int oldcpl; 164 1.1.2.2 bouyer 165 1.1.2.2 bouyer __asm__ volatile("sync; eieio\n"); /* reorder protect */ 166 1.1.2.2 bouyer oldcpl = cpl; 167 1.1.2.2 bouyer cpl = newcpl; 168 1.1.2.2 bouyer if(ipending & ~newcpl) 169 1.1.2.2 bouyer do_pending_int(); 170 1.1.2.2 bouyer __asm__ volatile("sync; eieio\n"); /* reorder protect */ 171 1.1.2.2 bouyer return(oldcpl); 172 1.1.2.2 bouyer } 173 1.1.2.2 bouyer 174 1.1.2.2 bouyer /* Following code should be implemented with lwarx/stwcx to avoid 175 1.1.2.2 bouyer * the disable/enable. i need to read the manual once more.... */ 176 1.1.2.2 bouyer static __inline void 177 1.1.2.2 bouyer set_sint(pending) 178 1.1.2.2 bouyer int pending; 179 1.1.2.2 bouyer { 180 1.1.2.2 bouyer int msrsave; 181 1.1.2.2 bouyer 182 1.1.2.2 bouyer __asm__ ("mfmsr %0" : "=r"(msrsave)); 183 1.1.2.2 bouyer __asm__ volatile ("mtmsr %0" :: "r"(msrsave & ~PSL_EE)); 184 1.1.2.2 bouyer ipending |= pending; 185 1.1.2.2 bouyer __asm__ volatile ("mtmsr %0" :: "r"(msrsave)); 186 1.1.2.2 bouyer } 187 1.1.2.2 bouyer 188 1.1.2.2 bouyer /* 189 1.1.2.2 bouyer * Motorola SandPoint PPC eval board interrupt list 190 1.1.2.2 bouyer */ 191 1.1.2.2 bouyer #define SANDPOINT_INTR_PCI0 0 192 1.1.2.2 bouyer #define SANDPOINT_INTR_IDE0 SANDPOINT_INTR_PCI0 193 1.1.2.2 bouyer #define SANDPOINT_INTR_PCI1 1 194 1.1.2.2 bouyer #define SANDPOINT_INTR_IDE1 SANDPOINT_INTR_PCI1 195 1.1.2.2 bouyer #define SANDPOINT_INTR_ISA SANDPOINT_INTR_PCI1 196 1.1.2.2 bouyer #define SANDPOINT_INTR_PCI2 2 197 1.1.2.2 bouyer #define SANDPOINT_INTR_PCI3 3 198 1.1.2.2 bouyer #define SANDPOINT_INTR_SERCON 4 /* Not used on Unity X4 */ 199 1.1.2.2 bouyer #define SANDPOINT_INTR_I2C 5 200 1.1.2.2 bouyer #define SANDPOINT_INTR_DMA0 6 201 1.1.2.2 bouyer #define SANDPOINT_INTR_DMA1 7 202 1.1.2.2 bouyer #define SANDPOINT_INTR_I2O 8 203 1.1.2.2 bouyer #define SANDPOINT_INTR_TIMER0 9 204 1.1.2.2 bouyer #define SANDPOINT_INTR_TIMER1 10 205 1.1.2.2 bouyer #define SANDPOINT_INTR_TIMER2 11 206 1.1.2.2 bouyer #define SANDPOINT_INTR_TIMER3 12 207 1.1.2.2 bouyer 208 1.1.2.2 bouyer #define OPENPIC_MAX_EXTERNAL_INT 4 209 1.1.2.2 bouyer 210 1.1.2.2 bouyer #define ICU_LEN 13 211 1.1.2.2 bouyer #define ICU_MASK 0x00001fff 212 1.1.2.2 bouyer #define LEGAL_IRQ(x) ((x) >= 0 && (x) < ICU_LEN) 213 1.1.2.2 bouyer 214 1.1.2.2 bouyer #define SINT_ISA 0x10000000 215 1.1.2.2 bouyer #define SINT_NET 0x20000000 216 1.1.2.2 bouyer #define SINT_CLOCK 0x40000000 217 1.1.2.2 bouyer #define SINT_SERIAL 0x80000000 218 1.1.2.2 bouyer #define SPL_CLOCK 0x00000001 219 1.1.2.2 bouyer #define SINT_MASK (SINT_ISA|SINT_CLOCK|SINT_NET|SINT_SERIAL) 220 1.1.2.2 bouyer 221 1.1.2.2 bouyer #define CNT_SINT_ISA 28 222 1.1.2.2 bouyer #define CNT_SINT_NET 29 223 1.1.2.2 bouyer #define CNT_SINT_CLOCK 30 224 1.1.2.2 bouyer #define CNT_SINT_SERIAL 31 225 1.1.2.2 bouyer #define CNT_CLOCK 0 226 1.1.2.2 bouyer 227 1.1.2.2 bouyer #define splbio() splraise(imask[IPL_BIO]) 228 1.1.2.2 bouyer #define splnet() splraise(imask[IPL_NET]) 229 1.1.2.2 bouyer #define spltty() splraise(imask[IPL_TTY]) 230 1.1.2.2 bouyer #define splclock() splraise(imask[IPL_CLOCK]) 231 1.1.2.2 bouyer #define splvm() splraise(imask[IPL_IMP]) 232 1.1.2.2 bouyer #define splserial() splraise(imask[IPL_SERIAL]) 233 1.1.2.2 bouyer #define splstatclock() splclock() 234 1.1.2.2 bouyer #define spllowersoftclock() spllower(imask[IPL_SOFTCLOCK]) 235 1.1.2.2 bouyer #define splsoftclock() splraise(imask[IPL_SOFTCLOCK]) 236 1.1.2.2 bouyer #define splsoftnet() splraise(imask[IPL_SOFTNET]) 237 1.1.2.2 bouyer #define splsoftserial() splraise(imask[IPL_SOFTSERIAL]) 238 1.1.2.2 bouyer 239 1.1.2.2 bouyer #define spllpt() spltty() 240 1.1.2.2 bouyer 241 1.1.2.2 bouyer #define setsoftisa() set_sint(SINT_ISA); 242 1.1.2.2 bouyer #define setsoftclock() set_sint(SINT_CLOCK); 243 1.1.2.2 bouyer #define setsoftnet() set_sint(SINT_NET); 244 1.1.2.2 bouyer #define setsoftserial() set_sint(SINT_SERIAL); 245 1.1.2.2 bouyer 246 1.1.2.2 bouyer #define splhigh() splraise(imask[IPL_HIGH]) 247 1.1.2.2 bouyer #define spl0() spllower(0) 248 1.1.2.2 bouyer 249 1.1.2.2 bouyer #define splsched() splhigh() 250 1.1.2.2 bouyer #define spllock() splhigh() 251 1.1.2.2 bouyer 252 1.1.2.2 bouyer #endif /* !_LOCORE */ 253 1.1.2.2 bouyer 254 1.1.2.2 bouyer #endif /* !_SANDPOINT_INTR_H_ */ 255
Indexes created Mon Oct 20 20:10:13 GMT 2025