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thorpej
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/* $NetBSD: isafcns_jensen.c,v 1.7 1997/09/02 13:18:57 thorpej Exp $ */
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/*
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* Copyright (c) 1995, 1996 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
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__KERNEL_RCSID(0, "$NetBSD: isafcns_jensen.c,v 1.7 1997/09/02 13:18:57 thorpej Exp $");
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#include <sys/types.h>
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#include <machine/pio.h>
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#include <machine/pte.h>
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static u_int8_t jensen_inb __P((int port));
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/* static void jensen_insb __P((int port, void *addr, int cnt)); */
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static u_int16_t jensen_inw __P((int port));
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/* static void jensen_insw __P((int port, void *addr, int cnt)); */
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u_int32_t jensen_inl __P((int port));
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/* static void jensen_insl __P((int port, void *addr, int cnt)); */
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static void jensen_outb __P((int port, u_int8_t datum));
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/* static void jensen_outsb __P((int port, void *addr, int cnt)); */
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static void jensen_outw __P((int port, u_int16_t datum));
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/* static void jensen_outsw __P((int port, void *addr, int cnt)); */
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static void jensen_outl __P((int port, u_int32_t datum));
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/* static void jensen_outsl __P((int port, void *addr, int cnt)); */
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struct alpha_isafcndesc jensen_isafcns = {
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jensen_inb, 0 /* jensen_insb */,
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jensen_inw, 0 /* jensen_insw */,
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jensen_inl, 0 /* jensen_insl */,
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jensen_outb, 0 /* jensen_outsb */,
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jensen_outw, 0 /* jensen_outsw */,
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jensen_outl, 0 /* jensen_outsl */,
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};
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u_int8_t
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jensen_inb(ioaddr)
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int ioaddr;
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{
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u_int32_t *port, val;
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u_int8_t rval;
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int offset;
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offset = ioaddr & 3;
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port = (int32_t *)phystok0seg(0x300000000L | 0 << 5 | ioaddr << 7);
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val = *port;
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rval = ((val) >> (8 * offset)) & 0xff;
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rval = val & 0xff;
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printf("inb(0x%x) => 0x%x @ %p => 0x%x\n", ioaddr, val, port, rval);
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return rval;
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}
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u_int16_t
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jensen_inw(ioaddr)
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int ioaddr;
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{
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u_int32_t *port, val;
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u_int16_t rval;
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int offset;
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offset = ioaddr & 3;
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port = (int32_t *)phystok0seg(0x300000000L | 1 << 5 | ioaddr << 7);
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val = *port;
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rval = ((val) >> (8 * offset)) & 0xffff;
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rval = val & 0xffff;
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panic("inw(0x%x) => 0x%x @ %p => 0x%x\n", ioaddr, val, port, rval);
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return rval;
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}
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u_int32_t
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jensen_inl(ioaddr)
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int ioaddr;
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{
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u_int32_t *port, val;
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u_int32_t rval;
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int offset;
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offset = ioaddr & 3;
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port = (int32_t *)phystok0seg(0x300000000L | 3 << 5 | ioaddr << 7);
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val = *port;
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rval = ((val) >> (8 * offset)) & 0xffffffff;
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rval = val & 0xffffffff;
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printf("inl(0x%x) => 0x%x @ %p => 0x%x\n", ioaddr, val, port, rval);
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return rval;
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}
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void
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jensen_outb(ioaddr, val)
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int ioaddr;
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u_int8_t val;
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{
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u_int32_t *port, nval;
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int offset;
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offset = ioaddr & 3;
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nval = val /*<< (8 * offset)*/;
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port = (int32_t *)phystok0seg(0x300000000L | 0 << 5 | ioaddr << 7);
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printf("outb(0x%x, 0x%x) => 0x%x @ %p\n", ioaddr, val, nval, port);
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*port = nval;
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}
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void
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jensen_outw(ioaddr, val)
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int ioaddr;
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u_int16_t val;
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{
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u_int32_t *port, nval;
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int offset;
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offset = ioaddr & 3;
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nval = val /*<< (8 * offset)*/;
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port = (int32_t *)phystok0seg(0x300000000L | 1 << 5 | ioaddr << 7);
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printf("outb(0x%x, 0x%x) => 0x%x @ %p\n", ioaddr, val, nval, port);
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*port = nval;
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}
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void
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jensen_outl(ioaddr, val)
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int ioaddr;
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u_int32_t val;
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{
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u_int32_t *port, nval;
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int offset;
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offset = ioaddr & 3;
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nval = val /*<< (8 * offset)*/;
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port = (int32_t *)phystok0seg(0x300000000L | 3 << 5 | ioaddr << 7);
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printf("outb(0x%x, 0x%x) => 0x%x @ %p\n", ioaddr, val, nval, port);
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*port = nval;
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}
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