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1.1 ! nbrk 1: # $OpenBSD: m88110_mmu.S,v 1.2 2004/06/22 04:54:54 miod Exp $
! 2: /*
! 3: * Copyright (c) 2000 Steve Murphree, Jr.
! 4: * All rights reserved.
! 5: *
! 6: * Redistribution and use in source and binary forms, with or without
! 7: * modification, are permitted provided that the following conditions
! 8: * are met:
! 9: * 1. Redistributions of source code must retain the above copyright
! 10: * notice, this list of conditions and the following disclaimer.
! 11: * 2. Redistributions in binary form must reproduce the above copyright
! 12: * notice, this list of conditions and the following disclaimer in the
! 13: * documentation and/or other materials provided with the distribution.
! 14: * 3. All advertising materials mentioning features or use of this software
! 15: * must display the following acknowledgement:
! 16: * This product includes software developed by Steve Murphree, Jr.
! 17: * 4. The name of the author may not be used to endorse or promote products
! 18: * derived from this software without specific prior written permission
! 19: *
! 20: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 21: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 22: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 23: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 24: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 25: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 26: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 27: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 28: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 29: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 30: *
! 31: */
! 32:
! 33: #include <machine/asm.h>
! 34:
! 35: /* set routines */
! 36: text
! 37: align 4096 /* sigh */
! 38:
! 39: ENTRY(set_icmd)
! 40: FLUSH_PIPELINE
! 41: jmp.n r1
! 42: stcr r2, ICMD
! 43:
! 44: ENTRY(set_ictl)
! 45: FLUSH_PIPELINE
! 46: stcr r2, ICTL
! 47: NOP
! 48: FLUSH_PIPELINE
! 49: jmp r1
! 50:
! 51: ENTRY(set_isar)
! 52: jmp.n r1
! 53: stcr r2, ISAR
! 54:
! 55: ENTRY(set_isap)
! 56: FLUSH_PIPELINE
! 57: NOP
! 58: stcr r2, ISAP
! 59: jmp r1
! 60:
! 61: ENTRY(set_iuap)
! 62: FLUSH_PIPELINE
! 63: NOP
! 64: stcr r2, IUAP
! 65: jmp r1
! 66:
! 67: ENTRY(set_iir)
! 68: jmp.n r1
! 69: stcr r2, IIR
! 70:
! 71: ENTRY(set_ibp)
! 72: jmp.n r1
! 73: stcr r2, IBP
! 74:
! 75: ENTRY(set_ippu)
! 76: jmp.n r1
! 77: stcr r2, IPPU
! 78:
! 79: ENTRY(set_ippl)
! 80: jmp.n r1
! 81: stcr r2, IPPL
! 82:
! 83: ENTRY(set_isr)
! 84: jmp.n r1
! 85: stcr r2, ISR
! 86:
! 87: ENTRY(set_dcmd)
! 88: FLUSH_PIPELINE
! 89: jmp.n r1
! 90: stcr r2, DCMD
! 91:
! 92: ENTRY(set_dctl)
! 93: FLUSH_PIPELINE
! 94: stcr r2, DCTL
! 95: NOP
! 96: FLUSH_PIPELINE
! 97: jmp r1
! 98:
! 99: ENTRY(set_dsar)
! 100: stcr r2, DSAR
! 101: NOP
! 102: jmp r1
! 103:
! 104: ENTRY(set_dsap)
! 105: FLUSH_PIPELINE
! 106: NOP
! 107: stcr r2, DSAP
! 108: FLUSH_PIPELINE
! 109: NOP
! 110: jmp r1
! 111:
! 112: ENTRY(set_duap)
! 113: FLUSH_PIPELINE
! 114: NOP
! 115: stcr r2, DUAP
! 116: FLUSH_PIPELINE
! 117: NOP
! 118: jmp r1
! 119:
! 120: ENTRY(set_dir)
! 121: jmp.n r1
! 122: stcr r2, DIR
! 123:
! 124: ENTRY(set_dbp)
! 125: jmp.n r1
! 126: stcr r2, DBP
! 127:
! 128: ENTRY(set_dppu)
! 129: jmp.n r1
! 130: stcr r2, DPPU
! 131:
! 132: ENTRY(set_dppl)
! 133: jmp.n r1
! 134: stcr r2, DPPL
! 135:
! 136: ENTRY(set_dsr)
! 137: jmp.n r1
! 138: stcr r2, DSR
! 139:
! 140: /* get routines */
! 141: ENTRY(get_icmd)
! 142: jmp.n r1
! 143: ldcr r2, ICMD
! 144:
! 145: ENTRY(get_ictl)
! 146: jmp.n r1
! 147: ldcr r2, ICTL
! 148:
! 149: ENTRY(get_isar)
! 150: jmp.n r1
! 151: ldcr r2, ISAR
! 152:
! 153: ENTRY(get_isap)
! 154: jmp.n r1
! 155: ldcr r2, ISAP
! 156:
! 157: ENTRY(get_iuap)
! 158: jmp.n r1
! 159: ldcr r2, IUAP
! 160:
! 161: ENTRY(get_iir)
! 162: jmp.n r1
! 163: ldcr r2, IIR
! 164:
! 165: ENTRY(get_ibp)
! 166: jmp.n r1
! 167: ldcr r2, IBP
! 168:
! 169: ENTRY(get_ippu)
! 170: jmp.n r1
! 171: ldcr r2, IPPU
! 172:
! 173: ENTRY(get_ippl)
! 174: jmp.n r1
! 175: ldcr r2, IPPL
! 176:
! 177: ENTRY(get_isr)
! 178: jmp.n r1
! 179: ldcr r2, ISR
! 180:
! 181: ENTRY(get_dcmd)
! 182: jmp.n r1
! 183: ldcr r2, DCMD
! 184:
! 185: ENTRY(get_dctl)
! 186: jmp.n r1
! 187: ldcr r2, DCTL
! 188:
! 189: ENTRY(get_dsar)
! 190: jmp.n r1
! 191: ldcr r2, DSAR
! 192:
! 193: ENTRY(get_dsap)
! 194: jmp.n r1
! 195: ldcr r2, DSAP
! 196:
! 197: ENTRY(get_duap)
! 198: jmp.n r1
! 199: ldcr r2, DUAP
! 200:
! 201: ENTRY(get_dir)
! 202: jmp.n r1
! 203: ldcr r2, DIR
! 204:
! 205: ENTRY(get_dbp)
! 206: jmp.n r1
! 207: ldcr r2, DBP
! 208:
! 209: ENTRY(get_dppu)
! 210: jmp.n r1
! 211: ldcr r2, DPPU
! 212:
! 213: ENTRY(get_dppl)
! 214: jmp.n r1
! 215: ldcr r2, DPPL
! 216:
! 217: ENTRY(get_dsr)
! 218: jmp.n r1
! 219: ldcr r2, DSR