/* $OpenBSD: cpu.h,v 1.25 2006/11/29 12:26:13 miod Exp $ */ /* * Copyright (c) 1995 Theo de Raadt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Copyright (c) 1988 University of Utah. * Copyright (c) 1982, 1990, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: Utah $Hdr: cpu.h 1.16 91/03/25$ * * @(#)cpu.h 8.4 (Berkeley) 1/5/94 */ #ifndef _MVME68K_CPU_H_ #define _MVME68K_CPU_H_ /* * Exported definitions unique to mvme68k cpu support. */ /* * Get common m68k CPU definiti÷ns. */ #define M68K_MMU_MOTOROLA #include #ifdef _KERNEL /* * Get interrupt glue. */ #include /* * definitions of cpu-dependent requirements * referenced in generic code */ #define cpu_wait(p) /* nothing */ /* * Arguments to hardclock and gatherstats encapsulate the previous * machine state in an opaque clockframe. One the m68k, we use * what the hardware pushes on an interrupt (frame format 0). */ struct clockframe { u_short sr; /* sr at time of interrupt */ u_long pc; /* pc at time of interrupt */ u_short vo; /* vector offset (4-word frame) */ }; #define CLKF_USERMODE(framep) (((framep)->sr & PSL_S) == 0) #define CLKF_PC(framep) ((framep)->pc) #if 0 /* We would like to do it this way... */ #define CLKF_INTR(framep) (((framep)->sr & PSL_M) == 0) #else /* but until we start using PSL_M, we have to do this instead */ #define CLKF_INTR(framep) (0) /* XXX */ #endif /* * Preempt the current process if in interrupt from user mode, * or after the current trap/syscall if in system mode. */ extern int want_resched; #define need_resched(ci) { want_resched = 1; aston(); } /* * Give a profiling tick to the current process when the user profiling * buffer pages are invalid. On the m68k, request an ast to send us * through trap, marking the proc as needing a profiling tick. */ #define need_proftick(p) { (p)->p_flag |= P_OWEUPC; aston(); } /* * Notify the current process (p) that it has a signal pending, * process as soon as possible. */ #define signotify(p) aston() extern int astpending; #define aston() (astpending = 1) /* * CTL_MACHDEP definitions. */ #define CPU_CONSDEV 1 /* dev_t: console terminal device */ #define CPU_MAXID 2 /* number of valid machdep ids */ #define CTL_MACHDEP_NAMES { \ { 0, 0 }, \ { "console_device", CTLTYPE_STRUCT }, \ } extern vaddr_t intiobase, intiolimit; extern vaddr_t iiomapbase; extern int iiomapsize; /* physical memory sections for mvme147 */ #define INTIOBASE_147 (0xfffe0000) #define INTIOTOP_147 (0xfffe5000) #define INTIOSIZE_147 ((INTIOTOP_147-INTIOBASE_147)/NBPG) /* physical memory sections for mvme16x */ #define INTIOBASE_162 (0xfff00000) #define INTIOTOP_162 (0xfffd0000) /* was 0xfff50000 */ #define INTIOSIZE_162 ((INTIOTOP_162-INTIOBASE_162)/NBPG) /* * Internal IO space (iiomapsize). * * Internal IO space is mapped in the kernel from ``intiobase'' to * ``intiolimit'' (defined in locore.s). Since it is always mapped, * conversion between physical and kernel virtual addresses is easy. */ #define ISIIOVA(va) \ ((va) >= intiobase && (va) < intiolimit) #define IIOV(pa) ((pa) - iiomapbase + intiobase) #define IIOP(va) ((va) - intiobase + iiomapbase) #define IIOPOFF(pa) ((pa) - iiomapbase) extern int cputyp; #define CPU_147 0x147 #define CPU_162 0x162 #define CPU_165 0x165 #define CPU_166 0x166 #define CPU_167 0x167 #define CPU_172 0x172 #define CPU_177 0x177 #include struct intrhand { SLIST_ENTRY(intrhand) ih_link; int (*ih_fn)(void *); void *ih_arg; int ih_ipl; int ih_wantframe; struct evcount ih_count; }; int intr_establish(int, struct intrhand *, const char *); #define NVMEINTR 256 /* locore.s */ __dead void doboot(void); int badpaddr(paddr_t, int); int badvaddr(vaddr_t, int); void nmihand(void *); int intr_findvec(int, int); void dma_cachectl(caddr_t, int); paddr_t kvtop(vaddr_t); #endif /* _KERNEL */ #endif /* _MVME68K_CPU_H_ */